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vendor: github.com/prometheus/client_golang v1.17.0

Browse source 
full diffs:

- https://github.com/prometheus/client_golang/compare/v1.14.0...v1.17.0
- https://github.com/prometheus/client_model/compare/v0.3.0...v0.5.0
- https://github.com/prometheus/common/compare/v0.42.0...v0.44.0
- https://github.com/prometheus/procfs/compare/v0.9.0...v0.11.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2023-12-21 19:13:04 +01:00
parent 9e075f3808
commit 63c354aae2
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
79 changed files with 2509 additions and 1150 deletions
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8
vendor.mod
View file

@ -81,7 +81,7 @@ require (
github.com/opencontainers/selinux v1.11.0
github.com/pelletier/go-toml v1.9.5
github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.14.0
github.com/prometheus/client_golang v1.17.0
github.com/rootless-containers/rootlesskit/v2 v2.0.1
github.com/sirupsen/logrus v1.9.3
github.com/spf13/cobra v1.8.0
@ -173,9 +173,9 @@ require (
github.com/opencontainers/runtime-tools v0.9.1-0.20221107090550-2e043c6bd626 // indirect
github.com/package-url/packageurl-go v0.1.1-0.20220428063043-89078438f170 // indirect
github.com/philhofer/fwd v1.1.2 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.42.0 // indirect
github.com/prometheus/procfs v0.9.0 // indirect
github.com/prometheus/client_model v0.5.0 // indirect
github.com/prometheus/common v0.44.0 // indirect
github.com/prometheus/procfs v0.11.1 // indirect
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
github.com/secure-systems-lab/go-securesystemslib v0.4.0 // indirect
github.com/shibumi/go-pathspec v1.3.0 // indirect

16
vendor.sum
View file

@ -1056,16 +1056,16 @@ github.com/prometheus/client_golang v1.1.0/go.mod h1:I1FGZT9+L76gKKOs5djB6ezCbFQ
github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
github.com/prometheus/client_golang v1.17.0 h1:rl2sfwZMtSthVU752MqfjQozy7blglC+1SOtjMAMh+Q=
github.com/prometheus/client_golang v1.17.0/go.mod h1:VeL+gMmOAxkS2IqfCq0ZmHSL+LjWfWDUmp1mBz9JgUY=
github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw=
github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI=
github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
@ -1076,8 +1076,8 @@ github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+
github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI1YM=
github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc=
github.com/prometheus/common v0.44.0 h1:+5BrQJwiBB9xsMygAB3TNvpQKOwlkc25LbISbrdOOfY=
github.com/prometheus/common v0.44.0/go.mod h1:ofAIvZbQ1e/nugmZGz4/qCb9Ap1VoSTIO7x0VV9VvuY=
github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
@ -1090,8 +1090,8 @@ github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDa
github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI=
github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY=
github.com/prometheus/procfs v0.11.1 h1:xRC8Iq1yyca5ypa9n1EZnWZkt7dwcoRPQwX/5gwaUuI=
github.com/prometheus/procfs v0.11.1/go.mod h1:eesXgaPo1q7lBpVMoMy0ZOFTth9hBn4W/y0/p/ScXhY=
github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
github.com/quasilyte/go-consistent v0.0.0-20190521200055-c6f3937de18c/go.mod h1:5STLWrekHfjyYwxBRVRXNOSewLJ3PWfDJd1VyTS21fI=
github.com/quasilyte/go-ruleguard v0.1.2-0.20200318202121-b00d7a75d3d8/go.mod h1:CGFX09Ci3pq9QZdj86B+VGIdNj4VyCo2iPOGS9esB/k=

48
vendor/github.com/prometheus/client_golang/prometheus/counter.go generated vendored
View file

@ -20,6 +20,7 @@ import (
"time"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/types/known/timestamppb"
)
// Counter is a Metric that represents a single numerical value that only ever
@ -59,6 +60,18 @@ type ExemplarAdder interface {
// CounterOpts is an alias for Opts. See there for doc comments.
type CounterOpts Opts
// CounterVecOpts bundles the options to create a CounterVec metric.
// It is mandatory to set CounterOpts, see there for mandatory fields. VariableLabels
// is optional and can safely be left to its default value.
type CounterVecOpts struct {
CounterOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
// NewCounter creates a new Counter based on the provided CounterOpts.
//
// The returned implementation also implements ExemplarAdder. It is safe to
@ -78,8 +91,12 @@ func NewCounter(opts CounterOpts) Counter {
nil,
opts.ConstLabels,
)
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: time.Now}
if opts.now == nil {
opts.now = time.Now
}
result := &counter{desc: desc, labelPairs: desc.constLabelPairs, now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}
@ -94,10 +111,12 @@ type counter struct {
selfCollector
desc *Desc
createdTs *timestamppb.Timestamp
labelPairs []*dto.LabelPair
exemplar atomic.Value // Containing nil or a *dto.Exemplar.
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
func (c *counter) Desc() *Desc {
@ -147,8 +166,7 @@ func (c *counter) Write(out *dto.Metric) error {
exemplar = e.(*dto.Exemplar)
}
val := c.get()
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out)
return populateMetric(CounterValue, val, c.labelPairs, exemplar, out, c.createdTs)
}
func (c *counter) updateExemplar(v float64, l Labels) {
@ -174,19 +192,31 @@ type CounterVec struct {
// NewCounterVec creates a new CounterVec based on the provided CounterOpts and
// partitioned by the given label names.
func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
desc := NewDesc(
return V2.NewCounterVec(CounterVecOpts{
CounterOpts: opts,
VariableLabels: UnconstrainedLabels(labelNames),
})
}
// NewCounterVec creates a new CounterVec based on the provided CounterVecOpts.
func (v2) NewCounterVec(opts CounterVecOpts) *CounterVec {
desc := V2.NewDesc(
BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
opts.Help,
labelNames,
opts.VariableLabels,
opts.ConstLabels,
)
if opts.now == nil {
opts.now = time.Now
}
return &CounterVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: time.Now}
result := &counter{desc: desc, labelPairs: MakeLabelPairs(desc, lvs), now: opts.now}
result.init(result) // Init self-collection.
result.createdTs = timestamppb.New(opts.now())
return result
}),
}

58
vendor/github.com/prometheus/client_golang/prometheus/desc.go generated vendored
View file

@ -14,20 +14,16 @@
package prometheus
import (
"errors"
"fmt"
"sort"
"strings"
"github.com/cespare/xxhash/v2"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
"github.com/prometheus/client_golang/prometheus/internal"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
)
// Desc is the descriptor used by every Prometheus Metric. It is essentially
@ -54,9 +50,9 @@ type Desc struct {
// constLabelPairs contains precalculated DTO label pairs based on
// the constant labels.
constLabelPairs []*dto.LabelPair
// variableLabels contains names of labels for which the metric
// maintains variable values.
variableLabels []string
// variableLabels contains names of labels and normalization function for
// which the metric maintains variable values.
variableLabels *compiledLabels
// id is a hash of the values of the ConstLabels and fqName. This
// must be unique among all registered descriptors and can therefore be
// used as an identifier of the descriptor.
@ -80,10 +76,24 @@ type Desc struct {
// For constLabels, the label values are constant. Therefore, they are fully
// specified in the Desc. See the Collector example for a usage pattern.
func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *Desc {
return V2.NewDesc(fqName, help, UnconstrainedLabels(variableLabels), constLabels)
}
// NewDesc allocates and initializes a new Desc. Errors are recorded in the Desc
// and will be reported on registration time. variableLabels and constLabels can
// be nil if no such labels should be set. fqName must not be empty.
//
// variableLabels only contain the label names and normalization functions. Their
// label values are variable and therefore not part of the Desc. (They are managed
// within the Metric.)
//
// For constLabels, the label values are constant. Therefore, they are fully
// specified in the Desc. See the Collector example for a usage pattern.
func (v2) NewDesc(fqName, help string, variableLabels ConstrainableLabels, constLabels Labels) *Desc {
d := &Desc{
fqName: fqName,
help: help,
variableLabels: variableLabels,
variableLabels: variableLabels.compile(),
}
if !model.IsValidMetricName(model.LabelValue(fqName)) {
d.err = fmt.Errorf("%q is not a valid metric name", fqName)
@ -93,7 +103,7 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
// their sorted label names) plus the fqName (at position 0).
labelValues := make([]string, 1, len(constLabels)+1)
labelValues[0] = fqName
labelNames := make([]string, 0, len(constLabels)+len(variableLabels))
labelNames := make([]string, 0, len(constLabels)+len(d.variableLabels.names))
labelNameSet := map[string]struct{}{}
// First add only the const label names and sort them...
for labelName := range constLabels {
@ -118,16 +128,16 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
// Now add the variable label names, but prefix them with something that
// cannot be in a regular label name. That prevents matching the label
// dimension with a different mix between preset and variable labels.
for _, labelName := range variableLabels {
if !checkLabelName(labelName) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", labelName, fqName)
for _, label := range d.variableLabels.names {
if !checkLabelName(label) {
d.err = fmt.Errorf("%q is not a valid label name for metric %q", label, fqName)
return d
}
labelNames = append(labelNames, "$"+labelName)
labelNameSet[labelName] = struct{}{}
labelNames = append(labelNames, "$"+label)
labelNameSet[label] = struct{}{}
}
if len(labelNames) != len(labelNameSet) {
d.err = errors.New("duplicate label names")
d.err = fmt.Errorf("duplicate label names in constant and variable labels for metric %q", fqName)
return d
}
@ -179,11 +189,19 @@ func (d *Desc) String() string {
fmt.Sprintf("%s=%q", lp.GetName(), lp.GetValue()),
)
}
vlStrings := make([]string, 0, len(d.variableLabels.names))
for _, vl := range d.variableLabels.names {
if fn, ok := d.variableLabels.labelConstraints[vl]; ok && fn != nil {
vlStrings = append(vlStrings, fmt.Sprintf("c(%s)", vl))
} else {
vlStrings = append(vlStrings, vl)
}
}
return fmt.Sprintf(
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: %v}",
"Desc{fqName: %q, help: %q, constLabels: {%s}, variableLabels: {%s}}",
d.fqName,
d.help,
strings.Join(lpStrings, ","),
d.variableLabels,
strings.Join(vlStrings, ","),
)
}

44
vendor/github.com/prometheus/client_golang/prometheus/doc.go generated vendored
View file

@ -37,35 +37,35 @@
//
// type metrics struct {
// cpuTemp prometheus.Gauge
// hdFailures *prometheus.CounterVec
// hdFailures *prometheus.CounterVec
// }
//
// func NewMetrics(reg prometheus.Registerer) *metrics {
// m := &metrics{
// cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
// Name: "cpu_temperature_celsius",
// Help: "Current temperature of the CPU.",
// }),
// hdFailures: prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// ),
// }
// reg.MustRegister(m.cpuTemp)
// reg.MustRegister(m.hdFailures)
// return m
// m := &metrics{
// cpuTemp: prometheus.NewGauge(prometheus.GaugeOpts{
// Name: "cpu_temperature_celsius",
// Help: "Current temperature of the CPU.",
// }),
// hdFailures: prometheus.NewCounterVec(
// prometheus.CounterOpts{
// Name: "hd_errors_total",
// Help: "Number of hard-disk errors.",
// },
// []string{"device"},
// ),
// }
// reg.MustRegister(m.cpuTemp)
// reg.MustRegister(m.hdFailures)
// return m
// }
//
// func main() {
// // Create a non-global registry.
// reg := prometheus.NewRegistry()
// // Create a non-global registry.
// reg := prometheus.NewRegistry()
//
// // Create new metrics and register them using the custom registry.
// m := NewMetrics(reg)
// // Set values for the new created metrics.
// // Create new metrics and register them using the custom registry.
// m := NewMetrics(reg)
// // Set values for the new created metrics.
// m.cpuTemp.Set(65.3)
// m.hdFailures.With(prometheus.Labels{"device":"/dev/sda"}).Inc()
//

2
vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go generated vendored
View file

@ -48,7 +48,7 @@ func (e *expvarCollector) Collect(ch chan<- Metric) {
continue
}
var v interface{}
labels := make([]string, len(desc.variableLabels))
labels := make([]string, len(desc.variableLabels.names))
if err := json.Unmarshal([]byte(expVar.String()), &v); err != nil {
ch <- NewInvalidMetric(desc, err)
continue

30
vendor/github.com/prometheus/client_golang/prometheus/gauge.go generated vendored
View file

@ -55,6 +55,18 @@ type Gauge interface {
// GaugeOpts is an alias for Opts. See there for doc comments.
type GaugeOpts Opts
// GaugeVecOpts bundles the options to create a GaugeVec metric.
// It is mandatory to set GaugeOpts, see there for mandatory fields. VariableLabels
// is optional and can safely be left to its default value.
type GaugeVecOpts struct {
GaugeOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
// NewGauge creates a new Gauge based on the provided GaugeOpts.
//
// The returned implementation is optimized for a fast Set method. If you have a
@ -123,7 +135,7 @@ func (g *gauge) Sub(val float64) {
func (g *gauge) Write(out *dto.Metric) error {
val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
return populateMetric(GaugeValue, val, g.labelPairs, nil, out)
return populateMetric(GaugeValue, val, g.labelPairs, nil, out, nil)
}
// GaugeVec is a Collector that bundles a set of Gauges that all share the same
@ -138,16 +150,24 @@ type GaugeVec struct {
// NewGaugeVec creates a new GaugeVec based on the provided GaugeOpts and
// partitioned by the given label names.
func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
desc := NewDesc(
return V2.NewGaugeVec(GaugeVecOpts{
GaugeOpts: opts,
VariableLabels: UnconstrainedLabels(labelNames),
})
}
// NewGaugeVec creates a new GaugeVec based on the provided GaugeVecOpts.
func (v2) NewGaugeVec(opts GaugeVecOpts) *GaugeVec {
desc := V2.NewDesc(
BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
opts.Help,
labelNames,
opts.VariableLabels,
opts.ConstLabels,
)
return &GaugeVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
if len(lvs) != len(desc.variableLabels) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
if len(lvs) != len(desc.variableLabels.names) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, lvs))
}
result := &gauge{desc: desc, labelPairs: MakeLabelPairs(desc, lvs)}
result.init(result) // Init self-collection.

7
vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go generated vendored
View file

@ -23,11 +23,10 @@ import (
"strings"
"sync"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/client_golang/prometheus/internal"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
)
const (

169
vendor/github.com/prometheus/client_golang/prometheus/histogram.go generated vendored
View file

@ -22,10 +22,10 @@ import (
"sync/atomic"
"time"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// nativeHistogramBounds for the frac of observed values. Only relevant for
@ -392,7 +392,7 @@ type HistogramOpts struct {
// zero, it is replaced by default buckets. The default buckets are
// DefBuckets if no buckets for a native histogram (see below) are used,
// otherwise the default is no buckets. (In other words, if you want to
// use both reguler buckets and buckets for a native histogram, you have
// use both regular buckets and buckets for a native histogram, you have
// to define the regular buckets here explicitly.)
Buckets []float64
@ -402,7 +402,7 @@ type HistogramOpts struct {
// Histogram by a Prometheus server with that feature enabled (requires
// Prometheus v2.40+). Sparse buckets are exponential buckets covering
// the whole float64 range (with the exception of the “zero” bucket, see
// SparseBucketsZeroThreshold below). From any one bucket to the next,
// NativeHistogramZeroThreshold below). From any one bucket to the next,
// the width of the bucket grows by a constant
// factor. NativeHistogramBucketFactor provides an upper bound for this
// factor (exception see below). The smaller
@ -414,8 +414,8 @@ type HistogramOpts struct {
// and 2, same as between 2 and 4, and 4 and 8, etc.).
//
// Details about the actually used factor: The factor is calculated as
// 2^(2^n), where n is an integer number between (and including) -8 and
// 4. n is chosen so that the resulting factor is the largest that is
// 2^(2^-n), where n is an integer number between (and including) -4 and
// 8. n is chosen so that the resulting factor is the largest that is
// still smaller or equal to NativeHistogramBucketFactor. Note that the
// smallest possible factor is therefore approx. 1.00271 (i.e. 2^(2^-8)
// ). If NativeHistogramBucketFactor is greater than 1 but smaller than
@ -429,12 +429,12 @@ type HistogramOpts struct {
// a major version bump.
NativeHistogramBucketFactor float64
// All observations with an absolute value of less or equal
// NativeHistogramZeroThreshold are accumulated into a “zero”
// bucket. For best results, this should be close to a bucket
// boundary. This is usually the case if picking a power of two. If
// NativeHistogramZeroThreshold are accumulated into a “zero” bucket.
// For best results, this should be close to a bucket boundary. This is
// usually the case if picking a power of two. If
// NativeHistogramZeroThreshold is left at zero,
// DefSparseBucketsZeroThreshold is used as the threshold. To configure
// a zero bucket with an actual threshold of zero (i.e. only
// DefNativeHistogramZeroThreshold is used as the threshold. To
// configure a zero bucket with an actual threshold of zero (i.e. only
// observations of precisely zero will go into the zero bucket), set
// NativeHistogramZeroThreshold to the NativeHistogramZeroThresholdZero
// constant (or any negative float value).
@ -447,26 +447,46 @@ type HistogramOpts struct {
// Histogram are sufficiently wide-spread. In particular, this could be
// used as a DoS attack vector. Where the observed values depend on
// external inputs, it is highly recommended to set a
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber.) Once the set
// NativeHistogramMaxBucketNumber is exceeded, the following strategy is
// enacted: First, if the last reset (or the creation) of the histogram
// is at least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets). If less time has passed, or if
// NativeHistogramMinResetDuration is zero, no reset is
// performed. Instead, the zero threshold is increased sufficiently to
// reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step. After that, if the
// number of buckets still exceeds NativeHistogramMaxBucketNumber, the
// resolution of the histogram is reduced by doubling the width of the
// sparse buckets (up to a growth factor between one bucket to the next
// of 2^(2^4) = 65536, see above).
// enacted:
// - First, if the last reset (or the creation) of the histogram is at
// least NativeHistogramMinResetDuration ago, then the whole
// histogram is reset to its initial state (including regular
// buckets).
// - If less time has passed, or if NativeHistogramMinResetDuration is
// zero, no reset is performed. Instead, the zero threshold is
// increased sufficiently to reduce the number of buckets to or below
// NativeHistogramMaxBucketNumber, but not to more than
// NativeHistogramMaxZeroThreshold. Thus, if
// NativeHistogramMaxZeroThreshold is already at or below the current
// zero threshold, nothing happens at this step.
// - After that, if the number of buckets still exceeds
// NativeHistogramMaxBucketNumber, the resolution of the histogram is
// reduced by doubling the width of the sparse buckets (up to a
// growth factor between one bucket to the next of 2^(2^4) = 65536,
// see above).
// - Any increased zero threshold or reduced resolution is reset back
// to their original values once NativeHistogramMinResetDuration has
// passed (since the last reset or the creation of the histogram).
NativeHistogramMaxBucketNumber uint32
NativeHistogramMinResetDuration time.Duration
NativeHistogramMaxZeroThreshold float64
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// HistogramVecOpts bundles the options to create a HistogramVec metric.
// It is mandatory to set HistogramOpts, see there for mandatory fields. VariableLabels
// is optional and can safely be left to its default value.
type HistogramVecOpts struct {
HistogramOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
// NewHistogram creates a new Histogram based on the provided HistogramOpts. It
@ -488,11 +508,11 @@ func NewHistogram(opts HistogramOpts) Histogram {
}
func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
for _, n := range desc.variableLabels.names {
if n == bucketLabel {
panic(errBucketLabelNotAllowed)
}
@ -503,6 +523,10 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
}
}
if opts.now == nil {
opts.now = time.Now
}
h := &histogram{
desc: desc,
upperBounds: opts.Buckets,
@ -510,8 +534,8 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
nativeHistogramMaxBuckets: opts.NativeHistogramMaxBucketNumber,
nativeHistogramMaxZeroThreshold: opts.NativeHistogramMaxZeroThreshold,
nativeHistogramMinResetDuration: opts.NativeHistogramMinResetDuration,
lastResetTime: time.Now(),
now: time.Now,
lastResetTime: opts.now(),
now: opts.now,
}
if len(h.upperBounds) == 0 && opts.NativeHistogramBucketFactor <= 1 {
h.upperBounds = DefBuckets
@ -544,16 +568,12 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr
}
// Finally we know the final length of h.upperBounds and can make buckets
// for both counts as well as exemplars:
h.counts[0] = &histogramCounts{
buckets: make([]uint64, len(h.upperBounds)),
nativeHistogramZeroThresholdBits: math.Float64bits(h.nativeHistogramZeroThreshold),
nativeHistogramSchema: h.nativeHistogramSchema,
}
h.counts[1] = &histogramCounts{
buckets: make([]uint64, len(h.upperBounds)),
nativeHistogramZeroThresholdBits: math.Float64bits(h.nativeHistogramZeroThreshold),
nativeHistogramSchema: h.nativeHistogramSchema,
}
h.counts[0] = &histogramCounts{buckets: make([]uint64, len(h.upperBounds))}
atomic.StoreUint64(&h.counts[0].nativeHistogramZeroThresholdBits, math.Float64bits(h.nativeHistogramZeroThreshold))
atomic.StoreInt32(&h.counts[0].nativeHistogramSchema, h.nativeHistogramSchema)
h.counts[1] = &histogramCounts{buckets: make([]uint64, len(h.upperBounds))}
atomic.StoreUint64(&h.counts[1].nativeHistogramZeroThresholdBits, math.Float64bits(h.nativeHistogramZeroThreshold))
atomic.StoreInt32(&h.counts[1].nativeHistogramSchema, h.nativeHistogramSchema)
h.exemplars = make([]atomic.Value, len(h.upperBounds)+1)
h.init(h) // Init self-collection.
@ -632,8 +652,8 @@ func (hc *histogramCounts) observe(v float64, bucket int, doSparse bool) {
if frac == 0.5 {
key--
}
div := 1 << -schema
key = (key + div - 1) / div
offset := (1 << -schema) - 1
key = (key + offset) >> -schema
}
if isInf {
key++
@ -694,9 +714,11 @@ type histogram struct {
nativeHistogramMaxZeroThreshold float64
nativeHistogramMaxBuckets uint32
nativeHistogramMinResetDuration time.Duration
lastResetTime time.Time // Protected by mtx.
// lastResetTime is protected by mtx. It is also used as created timestamp.
lastResetTime time.Time
now func() time.Time // To mock out time.Now() for testing.
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
func (h *histogram) Desc() *Desc {
@ -735,9 +757,10 @@ func (h *histogram) Write(out *dto.Metric) error {
waitForCooldown(count, coldCounts)
his := &dto.Histogram{
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
Bucket: make([]*dto.Bucket, len(h.upperBounds)),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: timestamppb.New(h.lastResetTime),
}
out.Histogram = his
out.Label = h.labelPairs
@ -775,6 +798,16 @@ func (h *histogram) Write(out *dto.Metric) error {
his.ZeroCount = proto.Uint64(zeroBucket)
his.NegativeSpan, his.NegativeDelta = makeBuckets(&coldCounts.nativeHistogramBucketsNegative)
his.PositiveSpan, his.PositiveDelta = makeBuckets(&coldCounts.nativeHistogramBucketsPositive)
// Add a no-op span to a histogram without observations and with
// a zero threshold of zero. Otherwise, a native histogram would
// look like a classic histogram to scrapers.
if *his.ZeroThreshold == 0 && *his.ZeroCount == 0 && len(his.PositiveSpan) == 0 && len(his.NegativeSpan) == 0 {
his.PositiveSpan = []*dto.BucketSpan{{
Offset: proto.Int32(0),
Length: proto.Uint32(0),
}}
}
}
addAndResetCounts(hotCounts, coldCounts)
return nil
@ -810,7 +843,7 @@ func (h *histogram) observe(v float64, bucket int) {
}
}
// limitSparsebuckets applies a strategy to limit the number of populated sparse
// limitBuckets applies a strategy to limit the number of populated sparse
// buckets. It's generally best effort, and there are situations where the
// number can go higher (if even the lowest resolution isn't enough to reduce
// the number sufficiently, or if the provided counts aren't fully updated yet
@ -847,20 +880,23 @@ func (h *histogram) limitBuckets(counts *histogramCounts, value float64, bucket
h.doubleBucketWidth(hotCounts, coldCounts)
}
// maybeReset resests the whole histogram if at least h.nativeHistogramMinResetDuration
// maybeReset resets the whole histogram if at least h.nativeHistogramMinResetDuration
// has been passed. It returns true if the histogram has been reset. The caller
// must have locked h.mtx.
func (h *histogram) maybeReset(hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int) bool {
func (h *histogram) maybeReset(
hot, cold *histogramCounts, coldIdx uint64, value float64, bucket int,
) bool {
// We are using the possibly mocked h.now() rather than
// time.Since(h.lastResetTime) to enable testing.
if h.nativeHistogramMinResetDuration == 0 || h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
if h.nativeHistogramMinResetDuration == 0 ||
h.now().Sub(h.lastResetTime) < h.nativeHistogramMinResetDuration {
return false
}
// Completely reset coldCounts.
h.resetCounts(cold)
// Repeat the latest observation to not lose it completely.
cold.observe(value, bucket, true)
// Make coldCounts the new hot counts while ressetting countAndHotIdx.
// Make coldCounts the new hot counts while resetting countAndHotIdx.
n := atomic.SwapUint64(&h.countAndHotIdx, (coldIdx<<63)+1)
count := n & ((1 << 63) - 1)
waitForCooldown(count, hot)
@ -1034,15 +1070,23 @@ type HistogramVec struct {
// NewHistogramVec creates a new HistogramVec based on the provided HistogramOpts and
// partitioned by the given label names.
func NewHistogramVec(opts HistogramOpts, labelNames []string) *HistogramVec {
desc := NewDesc(
return V2.NewHistogramVec(HistogramVecOpts{
HistogramOpts: opts,
VariableLabels: UnconstrainedLabels(labelNames),
})
}
// NewHistogramVec creates a new HistogramVec based on the provided HistogramVecOpts.
func (v2) NewHistogramVec(opts HistogramVecOpts) *HistogramVec {
desc := V2.NewDesc(
BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
opts.Help,
labelNames,
opts.VariableLabels,
opts.ConstLabels,
)
return &HistogramVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
return newHistogram(desc, opts, lvs...)
return newHistogram(desc, opts.HistogramOpts, lvs...)
}),
}
}
@ -1161,6 +1205,7 @@ type constHistogram struct {
sum float64
buckets map[float64]uint64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (h *constHistogram) Desc() *Desc {
@ -1168,7 +1213,9 @@ func (h *constHistogram) Desc() *Desc {
}
func (h *constHistogram) Write(out *dto.Metric) error {
his := &dto.Histogram{}
his := &dto.Histogram{
CreatedTimestamp: h.createdTs,
}
buckets := make([]*dto.Bucket, 0, len(h.buckets))
@ -1215,7 +1262,7 @@ func NewConstHistogram(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constHistogram{
@ -1309,7 +1356,7 @@ func makeBuckets(buckets *sync.Map) ([]*dto.BucketSpan, []int64) {
// Multiple spans with only small gaps in between are probably
// encoded more efficiently as one larger span with a few empty
// buckets. Needs some research to find the sweet spot. For now,
// we assume that gaps of one ore two buckets should not create
// we assume that gaps of one or two buckets should not create
// a new span.
iDelta := int32(i - nextI)
if n == 0 || iDelta > 2 {

2
vendor/github.com/prometheus/client_golang/prometheus/internal/difflib.go generated vendored
View file

@ -14,7 +14,7 @@
// It provides tools to compare sequences of strings and generate textual diffs.
//
// Maintaining `GetUnifiedDiffString` here because original repository
// (https://github.com/pmezard/go-difflib) is no loger maintained.
// (https://github.com/pmezard/go-difflib) is no longer maintained.
package internal
import (

98
vendor/github.com/prometheus/client_golang/prometheus/labels.go generated vendored
View file

@ -32,6 +32,104 @@ import (
// create a Desc.
type Labels map[string]string
// LabelConstraint normalizes label values.
type LabelConstraint func(string) string
// ConstrainedLabels represents a label name and its constrain function
// to normalize label values. This type is commonly used when constructing
// metric vector Collectors.
type ConstrainedLabel struct {
Name string
Constraint LabelConstraint
}
// ConstrainableLabels is an interface that allows creating of labels that can
// be optionally constrained.
//
// prometheus.V2().NewCounterVec(CounterVecOpts{
// CounterOpts: {...}, // Usual CounterOpts fields
// VariableLabels: []ConstrainedLabels{
// {Name: "A"},
// {Name: "B", Constraint: func(v string) string { ... }},
// },
// })
type ConstrainableLabels interface {
compile() *compiledLabels
labelNames() []string
}
// ConstrainedLabels represents a collection of label name -> constrain function
// to normalize label values. This type is commonly used when constructing
// metric vector Collectors.
type ConstrainedLabels []ConstrainedLabel
func (cls ConstrainedLabels) compile() *compiledLabels {
compiled := &compiledLabels{
names: make([]string, len(cls)),
labelConstraints: map[string]LabelConstraint{},
}
for i, label := range cls {
compiled.names[i] = label.Name
if label.Constraint != nil {
compiled.labelConstraints[label.Name] = label.Constraint
}
}
return compiled
}
func (cls ConstrainedLabels) labelNames() []string {
names := make([]string, len(cls))
for i, label := range cls {
names[i] = label.Name
}
return names
}
// UnconstrainedLabels represents collection of label without any constraint on
// their value. Thus, it is simply a collection of label names.
//
// UnconstrainedLabels([]string{ "A", "B" })
//
// is equivalent to
//
// ConstrainedLabels {
// { Name: "A" },
// { Name: "B" },
// }
type UnconstrainedLabels []string
func (uls UnconstrainedLabels) compile() *compiledLabels {
return &compiledLabels{
names: uls,
}
}
func (uls UnconstrainedLabels) labelNames() []string {
return uls
}
type compiledLabels struct {
names []string
labelConstraints map[string]LabelConstraint
}
func (cls *compiledLabels) compile() *compiledLabels {
return cls
}
func (cls *compiledLabels) labelNames() []string {
return cls.names
}
func (cls *compiledLabels) constrain(labelName, value string) string {
if fn, ok := cls.labelConstraints[labelName]; ok && fn != nil {
return fn(value)
}
return value
}
// reservedLabelPrefix is a prefix which is not legal in user-supplied
// label names.
const reservedLabelPrefix = "__"

9
vendor/github.com/prometheus/client_golang/prometheus/metric.go generated vendored
View file

@ -20,11 +20,9 @@ import (
"strings"
"time"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/common/model"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
)
var separatorByteSlice = []byte{model.SeparatorByte} // For convenient use with xxhash.
@ -94,6 +92,9 @@ type Opts struct {
// machine_role metric). See also
// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels-not-static-scraped-labels
ConstLabels Labels
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// BuildFQName joins the given three name components by "_". Empty name

19
vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go generated vendored
View file

@ -37,6 +37,7 @@ import (
"fmt"
"io"
"net/http"
"strconv"
"strings"
"sync"
"time"
@ -47,9 +48,10 @@ import (
)
const (
contentTypeHeader = "Content-Type"
contentEncodingHeader = "Content-Encoding"
acceptEncodingHeader = "Accept-Encoding"
contentTypeHeader = "Content-Type"
contentEncodingHeader = "Content-Encoding"
acceptEncodingHeader = "Accept-Encoding"
processStartTimeHeader = "Process-Start-Time-Unix"
)
var gzipPool = sync.Pool{
@ -121,6 +123,9 @@ func HandlerForTransactional(reg prometheus.TransactionalGatherer, opts HandlerO
}
h := http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) {
if !opts.ProcessStartTime.IsZero() {
rsp.Header().Set(processStartTimeHeader, strconv.FormatInt(opts.ProcessStartTime.Unix(), 10))
}
if inFlightSem != nil {
select {
case inFlightSem <- struct{}{}: // All good, carry on.
@ -366,6 +371,14 @@ type HandlerOpts struct {
// (which changes the identity of the resulting series on the Prometheus
// server).
EnableOpenMetrics bool
// ProcessStartTime allows setting process start timevalue that will be exposed
// with "Process-Start-Time-Unix" response header along with the metrics
// payload. This allow callers to have efficient transformations to cumulative
// counters (e.g. OpenTelemetry) or generally _created timestamp estimation per
// scrape target.
// NOTE: This feature is experimental and not covered by OpenMetrics or Prometheus
// exposition format.
ProcessStartTime time.Time
}
// gzipAccepted returns whether the client will accept gzip-encoded content.

26
vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go generated vendored
View file

@ -68,16 +68,17 @@ func InstrumentRoundTripperCounter(counter *prometheus.CounterVec, next http.Rou
o.apply(rtOpts)
}
code, method := checkLabels(counter)
// Curry the counter with dynamic labels before checking the remaining labels.
code, method := checkLabels(counter.MustCurryWith(rtOpts.emptyDynamicLabels()))
return func(r *http.Request) (*http.Response, error) {
resp, err := next.RoundTrip(r)
if err == nil {
addWithExemplar(
counter.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
1,
rtOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)
for label, resolve := range rtOpts.extraLabelsFromCtx {
l[label] = resolve(resp.Request.Context())
}
addWithExemplar(counter.With(l), 1, rtOpts.getExemplarFn(r.Context()))
}
return resp, err
}
@ -110,17 +111,18 @@ func InstrumentRoundTripperDuration(obs prometheus.ObserverVec, next http.RoundT
o.apply(rtOpts)
}
code, method := checkLabels(obs)
// Curry the observer with dynamic labels before checking the remaining labels.
code, method := checkLabels(obs.MustCurryWith(rtOpts.emptyDynamicLabels()))
return func(r *http.Request) (*http.Response, error) {
start := time.Now()
resp, err := next.RoundTrip(r)
if err == nil {
observeWithExemplar(
obs.With(labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)),
time.Since(start).Seconds(),
rtOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, resp.StatusCode, rtOpts.extraMethods...)
for label, resolve := range rtOpts.extraLabelsFromCtx {
l[label] = resolve(resp.Request.Context())
}
observeWithExemplar(obs.With(l), time.Since(start).Seconds(), rtOpts.getExemplarFn(r.Context()))
}
return resp, err
}

112
vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go generated vendored
View file

@ -87,7 +87,8 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
o.apply(hOpts)
}
code, method := checkLabels(obs)
// Curry the observer with dynamic labels before checking the remaining labels.
code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
if code {
return func(w http.ResponseWriter, r *http.Request) {
@ -95,23 +96,22 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler, op
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
}
}
return func(w http.ResponseWriter, r *http.Request) {
now := time.Now()
next.ServeHTTP(w, r)
observeWithExemplar(
obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
}
}
@ -138,28 +138,30 @@ func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler,
o.apply(hOpts)
}
code, method := checkLabels(counter)
// Curry the counter with dynamic labels before checking the remaining labels.
code, method := checkLabels(counter.MustCurryWith(hOpts.emptyDynamicLabels()))
if code {
return func(w http.ResponseWriter, r *http.Request) {
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
addWithExemplar(
counter.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
1,
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
addWithExemplar(counter.With(l), 1, hOpts.getExemplarFn(r.Context()))
}
}
return func(w http.ResponseWriter, r *http.Request) {
next.ServeHTTP(w, r)
addWithExemplar(
counter.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
1,
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
addWithExemplar(counter.With(l), 1, hOpts.getExemplarFn(r.Context()))
}
}
@ -191,16 +193,17 @@ func InstrumentHandlerTimeToWriteHeader(obs prometheus.ObserverVec, next http.Ha
o.apply(hOpts)
}
code, method := checkLabels(obs)
// Curry the observer with dynamic labels before checking the remaining labels.
code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
return func(w http.ResponseWriter, r *http.Request) {
now := time.Now()
d := newDelegator(w, func(status int) {
observeWithExemplar(
obs.With(labels(code, method, r.Method, status, hOpts.extraMethods...)),
time.Since(now).Seconds(),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, status, hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), time.Since(now).Seconds(), hOpts.getExemplarFn(r.Context()))
})
next.ServeHTTP(d, r)
}
@ -231,28 +234,32 @@ func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler,
o.apply(hOpts)
}
code, method := checkLabels(obs)
// Curry the observer with dynamic labels before checking the remaining labels.
code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
if code {
return func(w http.ResponseWriter, r *http.Request) {
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
size := computeApproximateRequestSize(r)
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
float64(size),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), float64(size), hOpts.getExemplarFn(r.Context()))
}
}
return func(w http.ResponseWriter, r *http.Request) {
next.ServeHTTP(w, r)
size := computeApproximateRequestSize(r)
observeWithExemplar(
obs.With(labels(code, method, r.Method, 0, hOpts.extraMethods...)),
float64(size),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, 0, hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), float64(size), hOpts.getExemplarFn(r.Context()))
}
}
@ -281,16 +288,18 @@ func InstrumentHandlerResponseSize(obs prometheus.ObserverVec, next http.Handler
o.apply(hOpts)
}
code, method := checkLabels(obs)
// Curry the observer with dynamic labels before checking the remaining labels.
code, method := checkLabels(obs.MustCurryWith(hOpts.emptyDynamicLabels()))
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
d := newDelegator(w, nil)
next.ServeHTTP(d, r)
observeWithExemplar(
obs.With(labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)),
float64(d.Written()),
hOpts.getExemplarFn(r.Context()),
)
l := labels(code, method, r.Method, d.Status(), hOpts.extraMethods...)
for label, resolve := range hOpts.extraLabelsFromCtx {
l[label] = resolve(r.Context())
}
observeWithExemplar(obs.With(l), float64(d.Written()), hOpts.getExemplarFn(r.Context()))
})
}
@ -380,16 +389,13 @@ func isLabelCurried(c prometheus.Collector, label string) bool {
return true
}
// emptyLabels is a one-time allocation for non-partitioned metrics to avoid
// unnecessary allocations on each request.
var emptyLabels = prometheus.Labels{}
func labels(code, method bool, reqMethod string, status int, extraMethods ...string) prometheus.Labels {
if !(code || method) {
return emptyLabels
}
labels := prometheus.Labels{}
if !(code || method) {
return labels
}
if code {
labels["code"] = sanitizeCode(status)
}

38
vendor/github.com/prometheus/client_golang/prometheus/promhttp/option.go generated vendored
View file

@ -24,14 +24,32 @@ type Option interface {
apply(*options)
}
// LabelValueFromCtx are used to compute the label value from request context.
// Context can be filled with values from request through middleware.
type LabelValueFromCtx func(ctx context.Context) string
// options store options for both a handler or round tripper.
type options struct {
extraMethods []string
getExemplarFn func(requestCtx context.Context) prometheus.Labels
extraMethods []string
getExemplarFn func(requestCtx context.Context) prometheus.Labels
extraLabelsFromCtx map[string]LabelValueFromCtx
}
func defaultOptions() *options {
return &options{getExemplarFn: func(ctx context.Context) prometheus.Labels { return nil }}
return &options{
getExemplarFn: func(ctx context.Context) prometheus.Labels { return nil },
extraLabelsFromCtx: map[string]LabelValueFromCtx{},
}
}
func (o *options) emptyDynamicLabels() prometheus.Labels {
labels := prometheus.Labels{}
for label := range o.extraLabelsFromCtx {
labels[label] = ""
}
return labels
}
type optionApplyFunc func(*options)
@ -48,11 +66,19 @@ func WithExtraMethods(methods ...string) Option {
})
}
// WithExemplarFromContext adds allows to put a hook to all counter and histogram metrics.
// If the hook function returns non-nil labels, exemplars will be added for that request, otherwise metric
// will get instrumented without exemplar.
// WithExemplarFromContext allows to inject function that will get exemplar from context that will be put to counter and histogram metrics.
// If the function returns nil labels or the metric does not support exemplars, no exemplar will be added (noop), but
// metric will continue to observe/increment.
func WithExemplarFromContext(getExemplarFn func(requestCtx context.Context) prometheus.Labels) Option {
return optionApplyFunc(func(o *options) {
o.getExemplarFn = getExemplarFn
})
}
// WithLabelFromCtx registers a label for dynamic resolution with access to context.
// See the example for ExampleInstrumentHandlerWithLabelResolver for example usage
func WithLabelFromCtx(name string, valueFn LabelValueFromCtx) Option {
return optionApplyFunc(func(o *options) {
o.extraLabelsFromCtx[name] = valueFn
})
}

21
vendor/github.com/prometheus/client_golang/prometheus/registry.go generated vendored
View file

@ -21,18 +21,17 @@ import (
"path/filepath"
"runtime"
"sort"
"strconv"
"strings"
"sync"
"unicode/utf8"
"github.com/cespare/xxhash/v2"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/common/expfmt"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/client_golang/prometheus/internal"
"github.com/cespare/xxhash/v2"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/expfmt"
"google.golang.org/protobuf/proto"
)
const (
@ -549,7 +548,7 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
goroutineBudget--
runtime.Gosched()
}
// Once both checkedMetricChan and uncheckdMetricChan are closed
// Once both checkedMetricChan and uncheckedMetricChan are closed
// and drained, the contraption above will nil out cmc and umc,
// and then we can leave the collect loop here.
if cmc == nil && umc == nil {
@ -933,6 +932,10 @@ func checkMetricConsistency(
h.WriteString(lp.GetValue())
h.Write(separatorByteSlice)
}
if dtoMetric.TimestampMs != nil {
h.WriteString(strconv.FormatInt(*(dtoMetric.TimestampMs), 10))
h.Write(separatorByteSlice)
}
hSum := h.Sum64()
if _, exists := metricHashes[hSum]; exists {
return fmt.Errorf(
@ -960,7 +963,7 @@ func checkDescConsistency(
// Is the desc consistent with the content of the metric?
lpsFromDesc := make([]*dto.LabelPair, len(desc.constLabelPairs), len(dtoMetric.Label))
copy(lpsFromDesc, desc.constLabelPairs)
for _, l := range desc.variableLabels {
for _, l := range desc.variableLabels.names {
lpsFromDesc = append(lpsFromDesc, &dto.LabelPair{
Name: proto.String(l),
})

72
vendor/github.com/prometheus/client_golang/prometheus/summary.go generated vendored
View file

@ -22,11 +22,11 @@ import (
"sync/atomic"
"time"
"github.com/beorn7/perks/quantile"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
dto "github.com/prometheus/client_model/go"
"github.com/beorn7/perks/quantile"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// quantileLabel is used for the label that defines the quantile in a
@ -146,6 +146,21 @@ type SummaryOpts struct {
// is the internal buffer size of the underlying package
// "github.com/bmizerany/perks/quantile").
BufCap uint32
// now is for testing purposes, by default it's time.Now.
now func() time.Time
}
// SummaryVecOpts bundles the options to create a SummaryVec metric.
// It is mandatory to set SummaryOpts, see there for mandatory fields. VariableLabels
// is optional and can safely be left to its default value.
type SummaryVecOpts struct {
SummaryOpts
// VariableLabels are used to partition the metric vector by the given set
// of labels. Each label value will be constrained with the optional Constraint
// function, if provided.
VariableLabels ConstrainableLabels
}
// Problem with the sliding-window decay algorithm... The Merge method of
@ -177,11 +192,11 @@ func NewSummary(opts SummaryOpts) Summary {
}
func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
if len(desc.variableLabels) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
if len(desc.variableLabels.names) != len(labelValues) {
panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels.names, labelValues))
}
for _, n := range desc.variableLabels {
for _, n := range desc.variableLabels.names {
if n == quantileLabel {
panic(errQuantileLabelNotAllowed)
}
@ -211,6 +226,9 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
opts.BufCap = DefBufCap
}
if opts.now == nil {
opts.now = time.Now
}
if len(opts.Objectives) == 0 {
// Use the lock-free implementation of a Summary without objectives.
s := &noObjectivesSummary{
@ -219,6 +237,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
counts: [2]*summaryCounts{{}, {}},
}
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@ -234,7 +253,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
coldBuf: make([]float64, 0, opts.BufCap),
streamDuration: opts.MaxAge / time.Duration(opts.AgeBuckets),
}
s.headStreamExpTime = time.Now().Add(s.streamDuration)
s.headStreamExpTime = opts.now().Add(s.streamDuration)
s.hotBufExpTime = s.headStreamExpTime
for i := uint32(0); i < opts.AgeBuckets; i++ {
@ -248,6 +267,7 @@ func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
sort.Float64s(s.sortedObjectives)
s.init(s) // Init self-collection.
s.createdTs = timestamppb.New(opts.now())
return s
}
@ -275,6 +295,8 @@ type summary struct {
headStream *quantile.Stream
headStreamIdx int
headStreamExpTime, hotBufExpTime time.Time
createdTs *timestamppb.Timestamp
}
func (s *summary) Desc() *Desc {
@ -296,7 +318,9 @@ func (s *summary) Observe(v float64) {
}
func (s *summary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.objectives))
s.bufMtx.Lock()
@ -429,6 +453,8 @@ type noObjectivesSummary struct {
counts [2]*summaryCounts
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *noObjectivesSummary) Desc() *Desc {
@ -479,8 +505,9 @@ func (s *noObjectivesSummary) Write(out *dto.Metric) error {
}
sum := &dto.Summary{
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
SampleCount: proto.Uint64(count),
SampleSum: proto.Float64(math.Float64frombits(atomic.LoadUint64(&coldCounts.sumBits))),
CreatedTimestamp: s.createdTs,
}
out.Summary = sum
@ -530,20 +557,28 @@ type SummaryVec struct {
// it is handled by the Prometheus server internally, “quantile” is an illegal
// label name. NewSummaryVec will panic if this label name is used.
func NewSummaryVec(opts SummaryOpts, labelNames []string) *SummaryVec {
for _, ln := range labelNames {
return V2.NewSummaryVec(SummaryVecOpts{
SummaryOpts: opts,
VariableLabels: UnconstrainedLabels(labelNames),
})
}
// NewSummaryVec creates a new SummaryVec based on the provided SummaryVecOpts.
func (v2) NewSummaryVec(opts SummaryVecOpts) *SummaryVec {
for _, ln := range opts.VariableLabels.labelNames() {
if ln == quantileLabel {
panic(errQuantileLabelNotAllowed)
}
}
desc := NewDesc(
desc := V2.NewDesc(
BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
opts.Help,
labelNames,
opts.VariableLabels,
opts.ConstLabels,
)
return &SummaryVec{
MetricVec: NewMetricVec(desc, func(lvs ...string) Metric {
return newSummary(desc, opts, lvs...)
return newSummary(desc, opts.SummaryOpts, lvs...)
}),
}
}
@ -662,6 +697,7 @@ type constSummary struct {
sum float64
quantiles map[float64]float64
labelPairs []*dto.LabelPair
createdTs *timestamppb.Timestamp
}
func (s *constSummary) Desc() *Desc {
@ -669,7 +705,9 @@ func (s *constSummary) Desc() *Desc {
}
func (s *constSummary) Write(out *dto.Metric) error {
sum := &dto.Summary{}
sum := &dto.Summary{
CreatedTimestamp: s.createdTs,
}
qs := make([]*dto.Quantile, 0, len(s.quantiles))
sum.SampleCount = proto.Uint64(s.count)
@ -718,7 +756,7 @@ func NewConstSummary(
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
return &constSummary{

28
vendor/github.com/prometheus/client_golang/prometheus/timer.go generated vendored
View file

@ -23,7 +23,9 @@ type Timer struct {
}
// NewTimer creates a new Timer. The provided Observer is used to observe a
// duration in seconds. Timer is usually used to time a function call in the
// duration in seconds. If the Observer implements ExemplarObserver, passing exemplar
// later on will be also supported.
// Timer is usually used to time a function call in the
// following way:
//
// func TimeMe() {
@ -31,6 +33,14 @@ type Timer struct {
// defer timer.ObserveDuration()
// // Do actual work.
// }
//
// or
//
// func TimeMeWithExemplar() {
// timer := NewTimer(myHistogram)
// defer timer.ObserveDurationWithExemplar(exemplar)
// // Do actual work.
// }
func NewTimer(o Observer) *Timer {
return &Timer{
begin: time.Now(),
@ -53,3 +63,19 @@ func (t *Timer) ObserveDuration() time.Duration {
}
return d
}
// ObserveDurationWithExemplar is like ObserveDuration, but it will also
// observe exemplar with the duration unless exemplar is nil or provided Observer can't
// be casted to ExemplarObserver.
func (t *Timer) ObserveDurationWithExemplar(exemplar Labels) time.Duration {
d := time.Since(t.begin)
eo, ok := t.observer.(ExemplarObserver)
if ok && exemplar != nil {
eo.ObserveWithExemplar(d.Seconds(), exemplar)
return d
}
if t.observer != nil {
t.observer.Observe(d.Seconds())
}
return d
}

61
vendor/github.com/prometheus/client_golang/prometheus/value.go generated vendored
View file

@ -14,18 +14,17 @@
package prometheus
import (
"errors"
"fmt"
"sort"
"time"
"unicode/utf8"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/prometheus/client_golang/prometheus/internal"
dto "github.com/prometheus/client_model/go"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
// ValueType is an enumeration of metric types that represent a simple value.
@ -93,7 +92,7 @@ func (v *valueFunc) Desc() *Desc {
}
func (v *valueFunc) Write(out *dto.Metric) error {
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out)
return populateMetric(v.valType, v.function(), v.labelPairs, nil, out, nil)
}
// NewConstMetric returns a metric with one fixed value that cannot be
@ -107,12 +106,12 @@ func NewConstMetric(desc *Desc, valueType ValueType, value float64, labelValues
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels)); err != nil {
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric); err != nil {
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, nil); err != nil {
return nil, err
}
@ -132,6 +131,43 @@ func MustNewConstMetric(desc *Desc, valueType ValueType, value float64, labelVal
return m
}
// NewConstMetricWithCreatedTimestamp does the same thing as NewConstMetric, but generates Counters
// with created timestamp set and returns an error for other metric types.
func NewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) (Metric, error) {
if desc.err != nil {
return nil, desc.err
}
if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil {
return nil, err
}
switch valueType {
case CounterValue:
break
default:
return nil, errors.New("created timestamps are only supported for counters")
}
metric := &dto.Metric{}
if err := populateMetric(valueType, value, MakeLabelPairs(desc, labelValues), nil, metric, timestamppb.New(ct)); err != nil {
return nil, err
}
return &constMetric{
desc: desc,
metric: metric,
}, nil
}
// MustNewConstMetricWithCreatedTimestamp is a version of NewConstMetricWithCreatedTimestamp that panics where
// NewConstMetricWithCreatedTimestamp would have returned an error.
func MustNewConstMetricWithCreatedTimestamp(desc *Desc, valueType ValueType, value float64, ct time.Time, labelValues ...string) Metric {
m, err := NewConstMetricWithCreatedTimestamp(desc, valueType, value, ct, labelValues...)
if err != nil {
panic(err)
}
return m
}
type constMetric struct {
desc *Desc
metric *dto.Metric
@ -155,11 +191,12 @@ func populateMetric(
labelPairs []*dto.LabelPair,
e *dto.Exemplar,
m *dto.Metric,
ct *timestamppb.Timestamp,
) error {
m.Label = labelPairs
switch t {
case CounterValue:
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e}
m.Counter = &dto.Counter{Value: proto.Float64(v), Exemplar: e, CreatedTimestamp: ct}
case GaugeValue:
m.Gauge = &dto.Gauge{Value: proto.Float64(v)}
case UntypedValue:
@ -178,19 +215,19 @@ func populateMetric(
// This function is only needed for custom Metric implementations. See MetricVec
// example.
func MakeLabelPairs(desc *Desc, labelValues []string) []*dto.LabelPair {
totalLen := len(desc.variableLabels) + len(desc.constLabelPairs)
totalLen := len(desc.variableLabels.names) + len(desc.constLabelPairs)
if totalLen == 0 {
// Super fast path.
return nil
}
if len(desc.variableLabels) == 0 {
if len(desc.variableLabels.names) == 0 {
// Moderately fast path.
return desc.constLabelPairs
}
labelPairs := make([]*dto.LabelPair, 0, totalLen)
for i, n := range desc.variableLabels {
for i, l := range desc.variableLabels.names {
labelPairs = append(labelPairs, &dto.LabelPair{
Name: proto.String(n),
Name: proto.String(l),
Value: proto.String(labelValues[i]),
})
}

95
vendor/github.com/prometheus/client_golang/prometheus/vec.go generated vendored
View file

@ -72,6 +72,8 @@ func NewMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *MetricVec {
// with a performance overhead (for creating and processing the Labels map).
// See also the CounterVec example.
func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
lvs = constrainLabelValues(m.desc, lvs, m.curry)
h, err := m.hashLabelValues(lvs)
if err != nil {
return false
@ -91,6 +93,9 @@ func (m *MetricVec) DeleteLabelValues(lvs ...string) bool {
// This method is used for the same purpose as DeleteLabelValues(...string). See
// there for pros and cons of the two methods.
func (m *MetricVec) Delete(labels Labels) bool {
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
return false
@ -106,6 +111,9 @@ func (m *MetricVec) Delete(labels Labels) bool {
// Note that curried labels will never be matched if deleting from the curried vector.
// To match curried labels with DeletePartialMatch, it must be called on the base vector.
func (m *MetricVec) DeletePartialMatch(labels Labels) int {
labels, closer := constrainLabels(m.desc, labels)
defer closer()
return m.metricMap.deleteByLabels(labels, m.curry)
}
@ -144,11 +152,11 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
oldCurry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
if ok {
return nil, fmt.Errorf("label name %q is already curried", label)
return nil, fmt.Errorf("label name %q is already curried", labelName)
}
newCurry = append(newCurry, oldCurry[iCurry])
iCurry++
@ -156,7 +164,10 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
if !ok {
continue // Label stays uncurried.
}
newCurry = append(newCurry, curriedLabelValue{i, val})
newCurry = append(newCurry, curriedLabelValue{
i,
m.desc.variableLabels.constrain(labelName, val),
})
}
}
if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
@ -199,6 +210,7 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
// a wrapper around MetricVec, implementing a vector for a specific Metric
// implementation, for example GaugeVec.
func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
lvs = constrainLabelValues(m.desc, lvs, m.curry)
h, err := m.hashLabelValues(lvs)
if err != nil {
return nil, err
@ -224,6 +236,9 @@ func (m *MetricVec) GetMetricWithLabelValues(lvs ...string) (Metric, error) {
// around MetricVec, implementing a vector for a specific Metric implementation,
// for example GaugeVec.
func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
labels, closer := constrainLabels(m.desc, labels)
defer closer()
h, err := m.hashLabels(labels)
if err != nil {
return nil, err
@ -233,7 +248,7 @@ func (m *MetricVec) GetMetricWith(labels Labels) (Metric, error) {
}
func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateLabelValues(vals, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@ -242,7 +257,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
curry = m.curry
iVals, iCurry int
)
for i := 0; i < len(m.desc.variableLabels); i++ {
for i := 0; i < len(m.desc.variableLabels.names); i++ {
if iCurry < len(curry) && curry[iCurry].index == i {
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
@ -256,7 +271,7 @@ func (m *MetricVec) hashLabelValues(vals []string) (uint64, error) {
}
func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil {
if err := validateValuesInLabels(labels, len(m.desc.variableLabels.names)-len(m.curry)); err != nil {
return 0, err
}
@ -265,17 +280,17 @@ func (m *MetricVec) hashLabels(labels Labels) (uint64, error) {
curry = m.curry
iCurry int
)
for i, label := range m.desc.variableLabels {
val, ok := labels[label]
for i, labelName := range m.desc.variableLabels.names {
val, ok := labels[labelName]
if iCurry < len(curry) && curry[iCurry].index == i {
if ok {
return 0, fmt.Errorf("label name %q is already curried", label)
return 0, fmt.Errorf("label name %q is already curried", labelName)
}
h = m.hashAdd(h, curry[iCurry].value)
iCurry++
} else {
if !ok {
return 0, fmt.Errorf("label name %q missing in label map", label)
return 0, fmt.Errorf("label name %q missing in label map", labelName)
}
h = m.hashAdd(h, val)
}
@ -453,7 +468,7 @@ func valueMatchesVariableOrCurriedValue(targetValue string, index int, values []
func matchPartialLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool {
for l, v := range labels {
// Check if the target label exists in our metrics and get the index.
varLabelIndex, validLabel := indexOf(l, desc.variableLabels)
varLabelIndex, validLabel := indexOf(l, desc.variableLabels.names)
if validLabel {
// Check the value of that label against the target value.
// We don't consider curried values in partial matches.
@ -597,7 +612,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
return false
}
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
if values[i] != curry[iCurry].value {
return false
@ -615,7 +630,7 @@ func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabe
func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string {
labelValues := make([]string, len(labels)+len(curry))
iCurry := 0
for i, k := range desc.variableLabels {
for i, k := range desc.variableLabels.names {
if iCurry < len(curry) && curry[iCurry].index == i {
labelValues[i] = curry[iCurry].value
iCurry++
@ -640,3 +655,55 @@ func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
}
return labelValues
}
var labelsPool = &sync.Pool{
New: func() interface{} {
return make(Labels)
},
}
func constrainLabels(desc *Desc, labels Labels) (Labels, func()) {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return labels, func() {}
}
constrainedLabels := labelsPool.Get().(Labels)
for l, v := range labels {
constrainedLabels[l] = desc.variableLabels.constrain(l, v)
}
return constrainedLabels, func() {
for k := range constrainedLabels {
delete(constrainedLabels, k)
}
labelsPool.Put(constrainedLabels)
}
}
func constrainLabelValues(desc *Desc, lvs []string, curry []curriedLabelValue) []string {
if len(desc.variableLabels.labelConstraints) == 0 {
// Fast path when there's no constraints
return lvs
}
constrainedValues := make([]string, len(lvs))
var iCurry, iLVs int
for i := 0; i < len(lvs)+len(curry); i++ {
if iCurry < len(curry) && curry[iCurry].index == i {
iCurry++
continue
}
if i < len(desc.variableLabels.names) {
constrainedValues[iLVs] = desc.variableLabels.constrain(
desc.variableLabels.names[i],
lvs[iLVs],
)
} else {
constrainedValues[iLVs] = lvs[iLVs]
}
iLVs++
}
return constrainedValues
}

23
vendor/github.com/prometheus/client_golang/prometheus/vnext.go generated vendored Normal file
View file

@ -0,0 +1,23 @@
// Copyright 2022 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package prometheus
type v2 struct{}
// V2 is a struct that can be referenced to access experimental API that might
// be present in v2 of client golang someday. It offers extended functionality
// of v1 with slightly changed API. It is acceptable to use some pieces from v1
// and e.g `prometheus.NewGauge` and some from v2 e.g. `prometheus.V2.NewDesc`
// in the same codebase.
var V2 = v2{}

8
vendor/github.com/prometheus/client_golang/prometheus/wrap.go generated vendored
View file

@ -17,12 +17,10 @@ import (
"fmt"
"sort"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/client_golang/prometheus/internal"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/client_golang/prometheus/internal"
"google.golang.org/protobuf/proto"
)
// WrapRegistererWith returns a Registerer wrapping the provided
@ -206,7 +204,7 @@ func wrapDesc(desc *Desc, prefix string, labels Labels) *Desc {
constLabels[ln] = lv
}
// NewDesc will do remaining validations.
newDesc := NewDesc(prefix+desc.fqName, desc.help, desc.variableLabels, constLabels)
newDesc := V2.NewDesc(prefix+desc.fqName, desc.help, desc.variableLabels, constLabels)
// Propagate errors if there was any. This will override any errer
// created by NewDesc above, i.e. earlier errors get precedence.
if desc.err != nil {

1630
vendor/github.com/prometheus/client_model/go/metrics.pb.go generated vendored
View file

File diff suppressed because it is too large Load diff

5
vendor/github.com/prometheus/common/expfmt/decode.go generated vendored
View file

@ -132,7 +132,10 @@ func (d *textDecoder) Decode(v *dto.MetricFamily) error {
}
// Pick off one MetricFamily per Decode until there's nothing left.
for key, fam := range d.fams {
*v = *fam
v.Name = fam.Name
v.Help = fam.Help
v.Type = fam.Type
v.Metric = fam.Metric
delete(d.fams, key)
return nil
}

13
vendor/github.com/prometheus/common/expfmt/encode.go generated vendored
View file

@ -18,9 +18,9 @@ import (
"io"
"net/http"
"github.com/golang/protobuf/proto" //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/matttproud/golang_protobuf_extensions/pbutil"
"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
"google.golang.org/protobuf/encoding/prototext"
dto "github.com/prometheus/client_model/go"
)
@ -99,8 +99,11 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format {
if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
return FmtText
}
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion || ver == "") {
return FmtOpenMetrics
if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") {
if ver == OpenMetricsVersion_1_0_0 {
return FmtOpenMetrics_1_0_0
}
return FmtOpenMetrics_0_0_1
}
}
return FmtText
@ -133,7 +136,7 @@ func NewEncoder(w io.Writer, format Format) Encoder {
case FmtProtoText:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := fmt.Fprintln(w, proto.MarshalTextString(v))
_, err := fmt.Fprintln(w, prototext.Format(v))
return err
},
close: func() error { return nil },
@ -146,7 +149,7 @@ func NewEncoder(w io.Writer, format Format) Encoder {
},
close: func() error { return nil },
}
case FmtOpenMetrics:
case FmtOpenMetrics_0_0_1, FmtOpenMetrics_1_0_0:
return encoderCloser{
encode: func(v *dto.MetricFamily) error {
_, err := MetricFamilyToOpenMetrics(w, v)

26
vendor/github.com/prometheus/common/expfmt/expfmt.go generated vendored
View file

@ -19,20 +19,22 @@ type Format string
// Constants to assemble the Content-Type values for the different wire protocols.
const (
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion = "0.0.1"
TextVersion = "0.0.4"
ProtoType = `application/vnd.google.protobuf`
ProtoProtocol = `io.prometheus.client.MetricFamily`
ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
OpenMetricsType = `application/openmetrics-text`
OpenMetricsVersion_0_0_1 = "0.0.1"
OpenMetricsVersion_1_0_0 = "1.0.0"
// The Content-Type values for the different wire protocols.
FmtUnknown Format = `<unknown>`
FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
FmtProtoText Format = ProtoFmt + ` encoding=text`
FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
FmtOpenMetrics Format = OpenMetricsType + `; version=` + OpenMetricsVersion + `; charset=utf-8`
FmtUnknown Format = `<unknown>`
FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
FmtProtoText Format = ProtoFmt + ` encoding=text`
FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
)
const (

2
vendor/github.com/prometheus/common/expfmt/text_parse.go generated vendored
View file

@ -24,8 +24,8 @@ import (
dto "github.com/prometheus/client_model/go"
"github.com/golang/protobuf/proto" //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/prometheus/common/model"
"google.golang.org/protobuf/proto"
)
// A stateFn is a function that represents a state in a state machine. By

3
vendor/github.com/prometheus/procfs/.golangci.yml generated vendored
View file

@ -2,6 +2,7 @@
linters:
enable:
- godot
- misspell
- revive
linter-settings:
@ -10,3 +11,5 @@ linter-settings:
exclude:
# Ignore "See: URL"
- 'See:'
misspell:
locale: US

22
vendor/github.com/prometheus/procfs/Makefile.common generated vendored
View file

@ -49,19 +49,19 @@ endif
GOTEST := $(GO) test
GOTEST_DIR :=
ifneq ($(CIRCLE_JOB),)
ifneq ($(shell which gotestsum),)
ifneq ($(shell command -v gotestsum > /dev/null),)
GOTEST_DIR := test-results
GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
endif
endif
PROMU_VERSION ?= 0.14.0
PROMU_VERSION ?= 0.15.0
PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
SKIP_GOLANGCI_LINT :=
GOLANGCI_LINT :=
GOLANGCI_LINT_OPTS ?=
GOLANGCI_LINT_VERSION ?= v1.49.0
GOLANGCI_LINT_VERSION ?= v1.53.3
# golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
# windows isn't included here because of the path separator being different.
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
@ -91,6 +91,8 @@ BUILD_DOCKER_ARCHS = $(addprefix common-docker-,$(DOCKER_ARCHS))
PUBLISH_DOCKER_ARCHS = $(addprefix common-docker-publish-,$(DOCKER_ARCHS))
TAG_DOCKER_ARCHS = $(addprefix common-docker-tag-latest-,$(DOCKER_ARCHS))
SANITIZED_DOCKER_IMAGE_TAG := $(subst +,-,$(DOCKER_IMAGE_TAG))
ifeq ($(GOHOSTARCH),amd64)
ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux freebsd darwin windows))
# Only supported on amd64
@ -176,7 +178,7 @@ endif
.PHONY: common-yamllint
common-yamllint:
@echo ">> running yamllint on all YAML files in the repository"
ifeq (, $(shell which yamllint))
ifeq (, $(shell command -v yamllint > /dev/null))
@echo "yamllint not installed so skipping"
else
yamllint .
@ -205,7 +207,7 @@ common-tarball: promu
.PHONY: common-docker $(BUILD_DOCKER_ARCHS)
common-docker: $(BUILD_DOCKER_ARCHS)
$(BUILD_DOCKER_ARCHS): common-docker-%:
docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" \
docker build -t "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" \
-f $(DOCKERFILE_PATH) \
--build-arg ARCH="$*" \
--build-arg OS="linux" \
@ -214,19 +216,19 @@ $(BUILD_DOCKER_ARCHS): common-docker-%:
.PHONY: common-docker-publish $(PUBLISH_DOCKER_ARCHS)
common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
$(PUBLISH_DOCKER_ARCHS): common-docker-publish-%:
docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)"
docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)"
DOCKER_MAJOR_VERSION_TAG = $(firstword $(subst ., ,$(shell cat VERSION)))
.PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS)
common-docker-tag-latest: $(TAG_DOCKER_ARCHS)
$(TAG_DOCKER_ARCHS): common-docker-tag-latest-%:
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(SANITIZED_DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
.PHONY: common-docker-manifest
common-docker-manifest:
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(DOCKER_IMAGE_TAG))
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)"
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create -a "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(SANITIZED_DOCKER_IMAGE_TAG)" $(foreach ARCH,$(DOCKER_ARCHS),$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$(ARCH):$(SANITIZED_DOCKER_IMAGE_TAG))
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(SANITIZED_DOCKER_IMAGE_TAG)"
.PHONY: promu
promu: $(PROMU)

4
vendor/github.com/prometheus/procfs/README.md generated vendored
View file

@ -51,11 +51,11 @@ ensure the `fixtures` directory is up to date by removing the existing directory
extracting the ttar file using `make fixtures/.unpacked` or just `make test`.
```bash
rm -rf fixtures
rm -rf testdata/fixtures
make test
```
Next, make the required changes to the extracted files in the `fixtures` directory. When
the changes are complete, run `make update_fixtures` to create a new `fixtures.ttar` file
based on the updated `fixtures` directory. And finally, verify the changes using
`git diff fixtures.ttar`.
`git diff testdata/fixtures.ttar`.

6
vendor/github.com/prometheus/procfs/arp.go generated vendored
View file

@ -55,7 +55,7 @@ type ARPEntry struct {
func (fs FS) GatherARPEntries() ([]ARPEntry, error) {
data, err := os.ReadFile(fs.proc.Path("net/arp"))
if err != nil {
return nil, fmt.Errorf("error reading arp %q: %w", fs.proc.Path("net/arp"), err)
return nil, fmt.Errorf("%s: error reading arp %s: %w", ErrFileRead, fs.proc.Path("net/arp"), err)
}
return parseARPEntries(data)
@ -78,11 +78,11 @@ func parseARPEntries(data []byte) ([]ARPEntry, error) {
} else if width == expectedDataWidth {
entry, err := parseARPEntry(columns)
if err != nil {
return []ARPEntry{}, fmt.Errorf("failed to parse ARP entry: %w", err)
return []ARPEntry{}, fmt.Errorf("%s: Failed to parse ARP entry: %v: %w", ErrFileParse, entry, err)
}
entries = append(entries, entry)
} else {
return []ARPEntry{}, fmt.Errorf("%d columns were detected, but %d were expected", width, expectedDataWidth)
return []ARPEntry{}, fmt.Errorf("%s: %d columns found, but expected %d: %w", ErrFileParse, width, expectedDataWidth, err)
}
}

6
vendor/github.com/prometheus/procfs/buddyinfo.go generated vendored
View file

@ -55,7 +55,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
parts := strings.Fields(line)
if len(parts) < 4 {
return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo")
return nil, fmt.Errorf("%w: Invalid number of fields, found: %v", ErrFileParse, parts)
}
node := strings.TrimRight(parts[1], ",")
@ -66,7 +66,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
bucketCount = arraySize
} else {
if bucketCount != arraySize {
return nil, fmt.Errorf("mismatch in number of buddyinfo buckets, previous count %d, new count %d", bucketCount, arraySize)
return nil, fmt.Errorf("%w: mismatch in number of buddyinfo buckets, previous count %d, new count %d", ErrFileParse, bucketCount, arraySize)
}
}
@ -74,7 +74,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
for i := 0; i < arraySize; i++ {
sizes[i], err = strconv.ParseFloat(parts[i+4], 64)
if err != nil {
return nil, fmt.Errorf("invalid value in buddyinfo: %w", err)
return nil, fmt.Errorf("%s: Invalid valid in buddyinfo: %f: %w", ErrFileParse, sizes[i], err)
}
}

17
vendor/github.com/prometheus/procfs/cpuinfo.go generated vendored
View file

@ -79,7 +79,7 @@ func parseCPUInfoX86(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@ -192,9 +192,10 @@ func parseCPUInfoARM(info []byte) ([]CPUInfo, error) {
scanner := bufio.NewScanner(bytes.NewReader(info))
firstLine := firstNonEmptyLine(scanner)
match, _ := regexp.MatchString("^[Pp]rocessor", firstLine)
match, err := regexp.MatchString("^[Pp]rocessor", firstLine)
if !match || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%s: Cannot parse line: %q: %w", ErrFileParse, firstLine, err)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@ -258,7 +259,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "vendor_id") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@ -283,7 +284,7 @@ func parseCPUInfoS390X(info []byte) ([]CPUInfo, error) {
if strings.HasPrefix(line, "processor") {
match := cpuinfoS390XProcessorRegexp.FindStringSubmatch(line)
if len(match) < 2 {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
cpu := commonCPUInfo
v, err := strconv.ParseUint(match[1], 0, 32)
@ -343,7 +344,7 @@ func parseCPUInfoMips(info []byte) ([]CPUInfo, error) {
// find the first "processor" line
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
cpuinfo := []CPUInfo{}
@ -421,7 +422,7 @@ func parseCPUInfoPPC(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)
@ -466,7 +467,7 @@ func parseCPUInfoRISCV(info []byte) ([]CPUInfo, error) {
firstLine := firstNonEmptyLine(scanner)
if !strings.HasPrefix(firstLine, "processor") || !strings.Contains(firstLine, ":") {
return nil, fmt.Errorf("invalid cpuinfo file: %q", firstLine)
return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
}
field := strings.SplitN(firstLine, ": ", 2)
v, err := strconv.ParseUint(field[1], 0, 32)

7
vendor/github.com/prometheus/procfs/crypto.go generated vendored
View file

@ -55,12 +55,13 @@ func (fs FS) Crypto() ([]Crypto, error) {
path := fs.proc.Path("crypto")
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, fmt.Errorf("error reading crypto %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot read file %v: %w", ErrFileRead, b, err)
}
crypto, err := parseCrypto(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("error parsing crypto %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, crypto, err)
}
return crypto, nil
@ -83,7 +84,7 @@ func parseCrypto(r io.Reader) ([]Crypto, error) {
kv := strings.Split(text, ":")
if len(kv) != 2 {
return nil, fmt.Errorf("malformed crypto line: %q", text)
return nil, fmt.Errorf("%w: Cannot parae line: %q", ErrFileParse, text)
}
k := strings.TrimSpace(kv[0])

11
vendor/github.com/prometheus/procfs/fs.go generated vendored
View file

@ -20,7 +20,8 @@ import (
// FS represents the pseudo-filesystem sys, which provides an interface to
// kernel data structures.
type FS struct {
proc fs.FS
proc fs.FS
isReal bool
}
// DefaultMountPoint is the common mount point of the proc filesystem.
@ -39,5 +40,11 @@ func NewFS(mountPoint string) (FS, error) {
if err != nil {
return FS{}, err
}
return FS{fs}, nil
isReal, err := isRealProc(mountPoint)
if err != nil {
return FS{}, err
}
return FS{fs, isReal}, nil
}

23
vendor/github.com/prometheus/procfs/fs_statfs_notype.go generated vendored Normal file
View file

@ -0,0 +1,23 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build netbsd || openbsd || solaris || windows || nostatfs
// +build netbsd openbsd solaris windows nostatfs
package procfs
// isRealProc returns true on architectures that don't have a Type argument
// in their Statfs_t struct
func isRealProc(mountPoint string) (bool, error) {
return true, nil
}

33
vendor/github.com/prometheus/procfs/fs_statfs_type.go generated vendored Normal file
View file

@ -0,0 +1,33 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !netbsd && !openbsd && !solaris && !windows && !nostatfs
// +build !netbsd,!openbsd,!solaris,!windows,!nostatfs
package procfs
import (
"syscall"
)
// isRealProc determines whether supplied mountpoint is really a proc filesystem.
func isRealProc(mountPoint string) (bool, error) {
stat := syscall.Statfs_t{}
err := syscall.Statfs(mountPoint, &stat)
if err != nil {
return false, err
}
// 0x9fa0 is PROC_SUPER_MAGIC: https://elixir.bootlin.com/linux/v6.1/source/include/uapi/linux/magic.h#L87
return stat.Type == 0x9fa0, nil
}

6
vendor/github.com/prometheus/procfs/fscache.go generated vendored
View file

@ -236,7 +236,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
m, err := parseFscacheinfo(bytes.NewReader(b))
if err != nil {
return Fscacheinfo{}, fmt.Errorf("failed to parse Fscacheinfo: %w", err)
return Fscacheinfo{}, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, m, err)
}
return *m, nil
@ -245,7 +245,7 @@ func (fs FS) Fscacheinfo() (Fscacheinfo, error) {
func setFSCacheFields(fields []string, setFields ...*uint64) error {
var err error
if len(fields) < len(setFields) {
return fmt.Errorf("Insufficient number of fields, expected %v, got %v", len(setFields), len(fields))
return fmt.Errorf("%s: Expected %d, but got %d: %w", ErrFileParse, len(setFields), len(fields), err)
}
for i := range setFields {
@ -263,7 +263,7 @@ func parseFscacheinfo(r io.Reader) (*Fscacheinfo, error) {
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed Fscacheinfo line: %q", s.Text())
return nil, fmt.Errorf("%w: malformed Fscacheinfo line: %q", ErrFileParse, s.Text())
}
switch fields[0] {

15
vendor/github.com/prometheus/procfs/internal/util/parse.go generated vendored
View file

@ -64,6 +64,21 @@ func ParsePInt64s(ss []string) ([]*int64, error) {
return us, nil
}
// Parses a uint64 from given hex in string.
func ParseHexUint64s(ss []string) ([]*uint64, error) {
us := make([]*uint64, 0, len(ss))
for _, s := range ss {
u, err := strconv.ParseUint(s, 16, 64)
if err != nil {
return nil, err
}
us = append(us, &u)
}
return us, nil
}
// ReadUintFromFile reads a file and attempts to parse a uint64 from it.
func ReadUintFromFile(path string) (uint64, error) {
data, err := os.ReadFile(path)

7
vendor/github.com/prometheus/procfs/ipvs.go generated vendored
View file

@ -221,15 +221,16 @@ func parseIPPort(s string) (net.IP, uint16, error) {
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
return nil, 0, fmt.Errorf("%s: Invalid IPv6 addr %s: %w", ErrFileParse, s[1:40], err)
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
return nil, 0, fmt.Errorf("%s: Unexpected IP:Port %s: %w", ErrFileParse, s, err)
}
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
return nil, 0,
fmt.Errorf("%s: Unexpected port string format %s: %w", ErrFileParse, portString, err)
}
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {

4
vendor/github.com/prometheus/procfs/loadavg.go generated vendored
View file

@ -44,14 +44,14 @@ func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
loads := make([]float64, 3)
parts := strings.Fields(string(loadavgBytes))
if len(parts) < 3 {
return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %q", string(loadavgBytes))
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, string(loadavgBytes))
}
var err error
for i, load := range parts[0:3] {
loads[i], err = strconv.ParseFloat(load, 64)
if err != nil {
return nil, fmt.Errorf("could not parse load %q: %w", load, err)
return nil, fmt.Errorf("%s: Cannot parse load: %f: %w", ErrFileParse, loads[i], err)
}
}
return &LoadAvg{

36
vendor/github.com/prometheus/procfs/mdstat.go generated vendored
View file

@ -70,7 +70,7 @@ func (fs FS) MDStat() ([]MDStat, error) {
}
mdstat, err := parseMDStat(data)
if err != nil {
return nil, fmt.Errorf("error parsing mdstat %q: %w", fs.proc.Path("mdstat"), err)
return nil, fmt.Errorf("%s: Cannot parse %v: %w", ErrFileParse, fs.proc.Path("mdstat"), err)
}
return mdstat, nil
}
@ -90,13 +90,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
deviceFields := strings.Fields(line)
if len(deviceFields) < 3 {
return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line)
return nil, fmt.Errorf("%s: Expected 3+ lines, got %q", ErrFileParse, line)
}
mdName := deviceFields[0] // mdx
state := deviceFields[2] // active or inactive
if len(lines) <= i+3 {
return nil, fmt.Errorf("error parsing %q: too few lines for md device", mdName)
return nil, fmt.Errorf("%w: Too few lines for md device: %q", ErrFileParse, mdName)
}
// Failed disks have the suffix (F) & Spare disks have the suffix (S).
@ -105,7 +105,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
active, total, down, size, err := evalStatusLine(lines[i], lines[i+1])
if err != nil {
return nil, fmt.Errorf("error parsing md device lines: %w", err)
return nil, fmt.Errorf("%s: Cannot parse md device lines: %v: %w", ErrFileParse, active, err)
}
syncLineIdx := i + 2
@ -140,7 +140,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
} else {
syncedBlocks, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
if err != nil {
return nil, fmt.Errorf("error parsing sync line in md device %q: %w", mdName, err)
return nil, fmt.Errorf("%s: Cannot parse sync line in md device: %q: %w", ErrFileParse, mdName, err)
}
}
}
@ -168,13 +168,13 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
func evalStatusLine(deviceLine, statusLine string) (active, total, down, size int64, err error) {
statusFields := strings.Fields(statusLine)
if len(statusFields) < 1 {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
sizeStr := statusFields[0]
size, err = strconv.ParseInt(sizeStr, 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") {
@ -189,17 +189,17 @@ func evalStatusLine(deviceLine, statusLine string) (active, total, down, size in
matches := statusLineRE.FindStringSubmatch(statusLine)
if len(matches) != 5 {
return 0, 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Could not fild all substring matches %s: %w", ErrFileParse, statusLine, err)
}
total, err = strconv.ParseInt(matches[2], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
}
active, err = strconv.ParseInt(matches[3], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected active %d: %w", ErrFileParse, active, err)
}
down = int64(strings.Count(matches[4], "_"))
@ -209,42 +209,42 @@ func evalStatusLine(deviceLine, statusLine string) (active, total, down, size in
func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, pct float64, finish float64, speed float64, err error) {
matches := recoveryLineBlocksRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return 0, 0, 0, 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected recoveryLine %s: %w", ErrFileParse, recoveryLine, err)
}
syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64)
if err != nil {
return 0, 0, 0, 0, fmt.Errorf("error parsing int from recoveryLine %q: %w", recoveryLine, err)
return 0, 0, 0, 0, fmt.Errorf("%s: Unexpected parsing of recoveryLine %q: %w", ErrFileParse, recoveryLine, err)
}
// Get percentage complete
matches = recoveryLinePctRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, 0, 0, 0, fmt.Errorf("unexpected recoveryLine matching percentage: %s", recoveryLine)
return syncedBlocks, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching percentage %s", ErrFileParse, recoveryLine)
}
pct, err = strconv.ParseFloat(strings.TrimSpace(matches[1]), 64)
if err != nil {
return syncedBlocks, 0, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, 0, 0, 0, fmt.Errorf("%w: Error parsing float from recoveryLine %q", ErrFileParse, recoveryLine)
}
// Get time expected left to complete
matches = recoveryLineFinishRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, 0, 0, fmt.Errorf("unexpected recoveryLine matching est. finish time: %s", recoveryLine)
return syncedBlocks, pct, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching est. finish time: %s", ErrFileParse, recoveryLine)
}
finish, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, pct, 0, 0, fmt.Errorf("%w: Unable to parse float from recoveryLine: %q", ErrFileParse, recoveryLine)
}
// Get recovery speed
matches = recoveryLineSpeedRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return syncedBlocks, pct, finish, 0, fmt.Errorf("unexpected recoveryLine matching speed: %s", recoveryLine)
return syncedBlocks, pct, finish, 0, fmt.Errorf("%w: Unexpected recoveryLine value: %s", ErrFileParse, recoveryLine)
}
speed, err = strconv.ParseFloat(matches[1], 64)
if err != nil {
return syncedBlocks, pct, finish, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
return syncedBlocks, pct, finish, 0, fmt.Errorf("%s: Error parsing float from recoveryLine: %q: %w", ErrFileParse, recoveryLine, err)
}
return syncedBlocks, pct, finish, speed, nil

4
vendor/github.com/prometheus/procfs/meminfo.go generated vendored
View file

@ -152,7 +152,7 @@ func (fs FS) Meminfo() (Meminfo, error) {
m, err := parseMemInfo(bytes.NewReader(b))
if err != nil {
return Meminfo{}, fmt.Errorf("failed to parse meminfo: %w", err)
return Meminfo{}, fmt.Errorf("%s: %w", ErrFileParse, err)
}
return *m, nil
@ -165,7 +165,7 @@ func parseMemInfo(r io.Reader) (*Meminfo, error) {
// Each line has at least a name and value; we ignore the unit.
fields := strings.Fields(s.Text())
if len(fields) < 2 {
return nil, fmt.Errorf("malformed meminfo line: %q", s.Text())
return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, s.Text())
}
v, err := strconv.ParseUint(fields[1], 0, 64)

10
vendor/github.com/prometheus/procfs/mountinfo.go generated vendored
View file

@ -78,11 +78,11 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mountInfo := strings.Split(mountString, " ")
mountInfoLength := len(mountInfo)
if mountInfoLength < 10 {
return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString)
return nil, fmt.Errorf("%w: Too few fields in mount string: %s", ErrFileParse, mountString)
}
if mountInfo[mountInfoLength-4] != "-" {
return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4])
return nil, fmt.Errorf("%w: couldn't find separator in expected field: %s", ErrFileParse, mountInfo[mountInfoLength-4])
}
mount := &MountInfo{
@ -98,18 +98,18 @@ func parseMountInfoString(mountString string) (*MountInfo, error) {
mount.MountID, err = strconv.Atoi(mountInfo[0])
if err != nil {
return nil, fmt.Errorf("failed to parse mount ID")
return nil, fmt.Errorf("%w: mount ID: %q", ErrFileParse, mount.MountID)
}
mount.ParentID, err = strconv.Atoi(mountInfo[1])
if err != nil {
return nil, fmt.Errorf("failed to parse parent ID")
return nil, fmt.Errorf("%w: parent ID: %q", ErrFileParse, mount.ParentID)
}
// Has optional fields, which is a space separated list of values.
// Example: shared:2 master:7
if mountInfo[6] != "" {
mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4])
if err != nil {
return nil, err
return nil, fmt.Errorf("%s: %w", ErrFileParse, err)
}
}
return mount, nil

38
vendor/github.com/prometheus/procfs/mountstats.go generated vendored
View file

@ -186,6 +186,8 @@ type NFSOperationStats struct {
CumulativeTotalResponseMilliseconds uint64
// Duration from when a request was enqueued to when it was completely handled.
CumulativeTotalRequestMilliseconds uint64
// The average time from the point the client sends RPC requests until it receives the response.
AverageRTTMilliseconds float64
// The count of operations that complete with tk_status < 0. These statuses usually indicate error conditions.
Errors uint64
}
@ -264,7 +266,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
if len(ss) > deviceEntryLen {
// Only NFSv3 and v4 are supported for parsing statistics
if m.Type != nfs3Type && m.Type != nfs4Type {
return nil, fmt.Errorf("cannot parse MountStats for fstype %q", m.Type)
return nil, fmt.Errorf("%w: Cannot parse MountStats for %q", ErrFileParse, m.Type)
}
statVersion := strings.TrimPrefix(ss[8], statVersionPrefix)
@ -288,7 +290,7 @@ func parseMountStats(r io.Reader) ([]*Mount, error) {
// device [device] mounted on [mount] with fstype [type]
func parseMount(ss []string) (*Mount, error) {
if len(ss) < deviceEntryLen {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
// Check for specific words appearing at specific indices to ensure
@ -306,7 +308,7 @@ func parseMount(ss []string) (*Mount, error) {
for _, f := range format {
if ss[f.i] != f.s {
return nil, fmt.Errorf("invalid device entry: %v", ss)
return nil, fmt.Errorf("%w: Invalid device %q", ErrFileParse, ss)
}
}
@ -343,7 +345,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
switch ss[0] {
case fieldOpts:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
if stats.Opts == nil {
stats.Opts = map[string]string{}
@ -358,7 +360,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
}
case fieldAge:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
// Age integer is in seconds
d, err := time.ParseDuration(ss[1] + "s")
@ -369,7 +371,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Age = d
case fieldBytes:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS stats: %v", ErrFileParse, ss)
}
bstats, err := parseNFSBytesStats(ss[1:])
if err != nil {
@ -379,7 +381,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Bytes = *bstats
case fieldEvents:
if len(ss) < 2 {
return nil, fmt.Errorf("not enough information for NFS stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS events: %v", ErrFileParse, ss)
}
estats, err := parseNFSEventsStats(ss[1:])
if err != nil {
@ -389,7 +391,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
stats.Events = *estats
case fieldTransport:
if len(ss) < 3 {
return nil, fmt.Errorf("not enough information for NFS transport stats: %v", ss)
return nil, fmt.Errorf("%w: Incomplete information for NFS transport stats: %v", ErrFileParse, ss)
}
tstats, err := parseNFSTransportStats(ss[1:], statVersion)
@ -428,7 +430,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
// integer fields.
func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
if len(ss) != fieldBytesLen {
return nil, fmt.Errorf("invalid NFS bytes stats: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS bytes stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldBytesLen)
@ -457,7 +459,7 @@ func parseNFSBytesStats(ss []string) (*NFSBytesStats, error) {
// integer fields.
func parseNFSEventsStats(ss []string) (*NFSEventsStats, error) {
if len(ss) != fieldEventsLen {
return nil, fmt.Errorf("invalid NFS events stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS events stats: %v", ErrFileParse, ss)
}
ns := make([]uint64, 0, fieldEventsLen)
@ -521,7 +523,7 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
}
if len(ss) < minFields {
return nil, fmt.Errorf("invalid NFS per-operations stats: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS per-operations stats: %v", ErrFileParse, ss)
}
// Skip string operation name for integers
@ -534,7 +536,6 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
ns = append(ns, n)
}
opStats := NFSOperationStats{
Operation: strings.TrimSuffix(ss[0], ":"),
Requests: ns[0],
@ -546,6 +547,9 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
CumulativeTotalResponseMilliseconds: ns[6],
CumulativeTotalRequestMilliseconds: ns[7],
}
if ns[0] != 0 {
opStats.AverageRTTMilliseconds = float64(ns[6]) / float64(ns[0])
}
if len(ns) > 8 {
opStats.Errors = ns[8]
@ -572,10 +576,10 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
} else if protocol == "udp" {
expectedLength = fieldTransport10UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.0 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: Invalid NFS protocol \"%s\" in stats 1.0 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.0 statement: %v", ss)
return nil, fmt.Errorf("%w: Invalid NFS transport stats 1.0 statement: %v", ErrFileParse, ss)
}
case statVersion11:
var expectedLength int
@ -584,13 +588,13 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
} else if protocol == "udp" {
expectedLength = fieldTransport11UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.1 statement: %v", protocol, ss)
return nil, fmt.Errorf("%w: invalid NFS protocol \"%s\" in stats 1.1 statement: %v", ErrFileParse, protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.1 statement: %v", ss)
return nil, fmt.Errorf("%w: invalid NFS transport stats 1.1 statement: %v", ErrFileParse, ss)
}
default:
return nil, fmt.Errorf("unrecognized NFS transport stats version: %q", statVersion)
return nil, fmt.Errorf("%s: Unrecognized NFS transport stats version: %q", ErrFileParse, statVersion)
}
// Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay

91
vendor/github.com/prometheus/procfs/net_conntrackstat.go generated vendored
View file

@ -18,7 +18,6 @@ import (
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
@ -28,9 +27,13 @@ import (
// and contains netfilter conntrack statistics at one CPU core.
type ConntrackStatEntry struct {
Entries uint64
Searched uint64
Found uint64
New uint64
Invalid uint64
Ignore uint64
Delete uint64
DeleteList uint64
Insert uint64
InsertFailed uint64
Drop uint64
@ -55,7 +58,7 @@ func readConntrackStat(path string) ([]ConntrackStatEntry, error) {
stat, err := parseConntrackStat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read conntrack stats from %q: %w", path, err)
return nil, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, path, err)
}
return stat, nil
@ -81,73 +84,35 @@ func parseConntrackStat(r io.Reader) ([]ConntrackStatEntry, error) {
// Parses a ConntrackStatEntry from given array of fields.
func parseConntrackStatEntry(fields []string) (*ConntrackStatEntry, error) {
if len(fields) != 17 {
return nil, fmt.Errorf("invalid conntrackstat entry, missing fields")
}
entry := &ConntrackStatEntry{}
entries, err := parseConntrackStatField(fields[0])
entries, err := util.ParseHexUint64s(fields)
if err != nil {
return nil, err
return nil, fmt.Errorf("%s: Cannot parse entry: %d: %w", ErrFileParse, entries, err)
}
entry.Entries = entries
found, err := parseConntrackStatField(fields[2])
if err != nil {
return nil, err
numEntries := len(entries)
if numEntries < 16 || numEntries > 17 {
return nil,
fmt.Errorf("%w: invalid conntrackstat entry, invalid number of fields: %d", ErrFileParse, numEntries)
}
entry.Found = found
invalid, err := parseConntrackStatField(fields[4])
if err != nil {
return nil, err
stats := &ConntrackStatEntry{
Entries: *entries[0],
Searched: *entries[1],
Found: *entries[2],
New: *entries[3],
Invalid: *entries[4],
Ignore: *entries[5],
Delete: *entries[6],
DeleteList: *entries[7],
Insert: *entries[8],
InsertFailed: *entries[9],
Drop: *entries[10],
EarlyDrop: *entries[11],
}
entry.Invalid = invalid
ignore, err := parseConntrackStatField(fields[5])
if err != nil {
return nil, err
// Ignore missing search_restart on Linux < 2.6.35.
if numEntries == 17 {
stats.SearchRestart = *entries[16]
}
entry.Ignore = ignore
insert, err := parseConntrackStatField(fields[8])
if err != nil {
return nil, err
}
entry.Insert = insert
insertFailed, err := parseConntrackStatField(fields[9])
if err != nil {
return nil, err
}
entry.InsertFailed = insertFailed
drop, err := parseConntrackStatField(fields[10])
if err != nil {
return nil, err
}
entry.Drop = drop
earlyDrop, err := parseConntrackStatField(fields[11])
if err != nil {
return nil, err
}
entry.EarlyDrop = earlyDrop
searchRestart, err := parseConntrackStatField(fields[16])
if err != nil {
return nil, err
}
entry.SearchRestart = searchRestart
return entry, nil
}
// Parses a uint64 from given hex in string.
func parseConntrackStatField(field string) (uint64, error) {
val, err := strconv.ParseUint(field, 16, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse %q field: %w", field, err)
}
return val, err
return stats, nil
}

32
vendor/github.com/prometheus/procfs/net_ip_socket.go generated vendored
View file

@ -130,7 +130,7 @@ func parseIP(hexIP string) (net.IP, error) {
var byteIP []byte
byteIP, err := hex.DecodeString(hexIP)
if err != nil {
return nil, fmt.Errorf("cannot parse address field in socket line %q", hexIP)
return nil, fmt.Errorf("%s: Cannot parse socket field in %q: %w", ErrFileParse, hexIP, err)
}
switch len(byteIP) {
case 4:
@ -144,7 +144,7 @@ func parseIP(hexIP string) (net.IP, error) {
}
return i, nil
default:
return nil, fmt.Errorf("Unable to parse IP %s", hexIP)
return nil, fmt.Errorf("%s: Unable to parse IP %s: %w", ErrFileParse, hexIP, nil)
}
}
@ -153,7 +153,8 @@ func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
line := &netIPSocketLine{}
if len(fields) < 10 {
return nil, fmt.Errorf(
"cannot parse net socket line as it has less then 10 columns %q",
"%w: Less than 10 columns found %q",
ErrFileParse,
strings.Join(fields, " "),
)
}
@ -162,64 +163,65 @@ func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) {
// sl
s := strings.Split(fields[0], ":")
if len(s) != 2 {
return nil, fmt.Errorf("cannot parse sl field in socket line %q", fields[0])
return nil, fmt.Errorf("%w: Unable to parse sl field in line %q", ErrFileParse, fields[0])
}
if line.Sl, err = strconv.ParseUint(s[0], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse sl value in socket line: %w", err)
return nil, fmt.Errorf("%s: Unable to parse sl field in %q: %w", ErrFileParse, line.Sl, err)
}
// local_address
l := strings.Split(fields[1], ":")
if len(l) != 2 {
return nil, fmt.Errorf("cannot parse local_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse local_address field in %q", ErrFileParse, fields[1])
}
if line.LocalAddr, err = parseIP(l[0]); err != nil {
return nil, err
}
if line.LocalPort, err = strconv.ParseUint(l[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse local_address port value in socket line: %w", err)
return nil, fmt.Errorf("%s: Unable to parse local_address port value line %q: %w", ErrFileParse, line.LocalPort, err)
}
// remote_address
r := strings.Split(fields[2], ":")
if len(r) != 2 {
return nil, fmt.Errorf("cannot parse rem_address field in socket line %q", fields[1])
return nil, fmt.Errorf("%w: Unable to parse rem_address field in %q", ErrFileParse, fields[1])
}
if line.RemAddr, err = parseIP(r[0]); err != nil {
return nil, err
}
if line.RemPort, err = strconv.ParseUint(r[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rem_address port value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse rem_address port value in %q: %w", ErrFileParse, line.RemPort, err)
}
// st
if line.St, err = strconv.ParseUint(fields[3], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse st value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse st value in %q: %w", ErrFileParse, line.St, err)
}
// tx_queue and rx_queue
q := strings.Split(fields[4], ":")
if len(q) != 2 {
return nil, fmt.Errorf(
"cannot parse tx/rx queues in socket line as it has a missing colon %q",
"%w: Missing colon for tx/rx queues in socket line %q",
ErrFileParse,
fields[4],
)
}
if line.TxQueue, err = strconv.ParseUint(q[0], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse tx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse tx_queue value in %q: %w", ErrFileParse, line.TxQueue, err)
}
if line.RxQueue, err = strconv.ParseUint(q[1], 16, 64); err != nil {
return nil, fmt.Errorf("cannot parse rx_queue value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse trx_queue value in %q: %w", ErrFileParse, line.RxQueue, err)
}
// uid
if line.UID, err = strconv.ParseUint(fields[7], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse uid value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse UID value in %q: %w", ErrFileParse, line.UID, err)
}
// inode
if line.Inode, err = strconv.ParseUint(fields[9], 0, 64); err != nil {
return nil, fmt.Errorf("cannot parse inode value in socket line: %w", err)
return nil, fmt.Errorf("%s: Cannot parse inode value in %q: %w", ErrFileParse, line.Inode, err)
}
return line, nil

4
vendor/github.com/prometheus/procfs/net_protocols.go generated vendored
View file

@ -131,7 +131,7 @@ func (ps NetProtocolStats) parseLine(rawLine string) (*NetProtocolStatLine, erro
} else if fields[6] == disabled {
line.Slab = false
} else {
return nil, fmt.Errorf("unable to parse capability for protocol: %s", line.Name)
return nil, fmt.Errorf("%w: capability for protocol: %s", ErrFileParse, line.Name)
}
line.ModuleName = fields[7]
@ -173,7 +173,7 @@ func (pc *NetProtocolCapabilities) parseCapabilities(capabilities []string) erro
} else if capabilities[i] == "n" {
*capabilityFields[i] = false
} else {
return fmt.Errorf("unable to parse capability block for protocol: position %d", i)
return fmt.Errorf("%w: capability block for protocol: position %d", ErrFileParse, i)
}
}
return nil

143
vendor/github.com/prometheus/procfs/net_route.go generated vendored Normal file
View file

@ -0,0 +1,143 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
const (
blackholeRepresentation string = "*"
blackholeIfaceName string = "blackhole"
routeLineColumns int = 11
)
// A NetRouteLine represents one line from net/route.
type NetRouteLine struct {
Iface string
Destination uint32
Gateway uint32
Flags uint32
RefCnt uint32
Use uint32
Metric uint32
Mask uint32
MTU uint32
Window uint32
IRTT uint32
}
func (fs FS) NetRoute() ([]NetRouteLine, error) {
return readNetRoute(fs.proc.Path("net", "route"))
}
func readNetRoute(path string) ([]NetRouteLine, error) {
b, err := util.ReadFileNoStat(path)
if err != nil {
return nil, err
}
routelines, err := parseNetRoute(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read net route from %s: %w", path, err)
}
return routelines, nil
}
func parseNetRoute(r io.Reader) ([]NetRouteLine, error) {
var routelines []NetRouteLine
scanner := bufio.NewScanner(r)
scanner.Scan()
for scanner.Scan() {
fields := strings.Fields(scanner.Text())
routeline, err := parseNetRouteLine(fields)
if err != nil {
return nil, err
}
routelines = append(routelines, *routeline)
}
return routelines, nil
}
func parseNetRouteLine(fields []string) (*NetRouteLine, error) {
if len(fields) != routeLineColumns {
return nil, fmt.Errorf("invalid routeline, num of digits: %d", len(fields))
}
iface := fields[0]
if iface == blackholeRepresentation {
iface = blackholeIfaceName
}
destination, err := strconv.ParseUint(fields[1], 16, 32)
if err != nil {
return nil, err
}
gateway, err := strconv.ParseUint(fields[2], 16, 32)
if err != nil {
return nil, err
}
flags, err := strconv.ParseUint(fields[3], 10, 32)
if err != nil {
return nil, err
}
refcnt, err := strconv.ParseUint(fields[4], 10, 32)
if err != nil {
return nil, err
}
use, err := strconv.ParseUint(fields[5], 10, 32)
if err != nil {
return nil, err
}
metric, err := strconv.ParseUint(fields[6], 10, 32)
if err != nil {
return nil, err
}
mask, err := strconv.ParseUint(fields[7], 16, 32)
if err != nil {
return nil, err
}
mtu, err := strconv.ParseUint(fields[8], 10, 32)
if err != nil {
return nil, err
}
window, err := strconv.ParseUint(fields[9], 10, 32)
if err != nil {
return nil, err
}
irtt, err := strconv.ParseUint(fields[10], 10, 32)
if err != nil {
return nil, err
}
routeline := &NetRouteLine{
Iface: iface,
Destination: uint32(destination),
Gateway: uint32(gateway),
Flags: uint32(flags),
RefCnt: uint32(refcnt),
Use: uint32(use),
Metric: uint32(metric),
Mask: uint32(mask),
MTU: uint32(mtu),
Window: uint32(window),
IRTT: uint32(irtt),
}
return routeline, nil
}

9
vendor/github.com/prometheus/procfs/net_sockstat.go generated vendored
View file

@ -16,7 +16,6 @@ package procfs
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"strings"
@ -70,7 +69,7 @@ func readSockstat(name string) (*NetSockstat, error) {
stat, err := parseSockstat(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to read sockstats from %q: %w", name, err)
return nil, fmt.Errorf("%s: sockstats from %q: %w", ErrFileRead, name, err)
}
return stat, nil
@ -84,13 +83,13 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// Expect a minimum of a protocol and one key/value pair.
fields := strings.Split(s.Text(), " ")
if len(fields) < 3 {
return nil, fmt.Errorf("malformed sockstat line: %q", s.Text())
return nil, fmt.Errorf("%w: Malformed sockstat line: %q", ErrFileParse, s.Text())
}
// The remaining fields are key/value pairs.
kvs, err := parseSockstatKVs(fields[1:])
if err != nil {
return nil, fmt.Errorf("error parsing sockstat key/value pairs from %q: %w", s.Text(), err)
return nil, fmt.Errorf("%s: sockstat key/value pairs from %q: %w", ErrFileParse, s.Text(), err)
}
// The first field is the protocol. We must trim its colon suffix.
@ -119,7 +118,7 @@ func parseSockstat(r io.Reader) (*NetSockstat, error) {
// parseSockstatKVs parses a string slice into a map of key/value pairs.
func parseSockstatKVs(kvs []string) (map[string]int, error) {
if len(kvs)%2 != 0 {
return nil, errors.New("odd number of fields in key/value pairs")
return nil, fmt.Errorf("%w:: Odd number of fields in key/value pairs %q", ErrFileParse, kvs)
}
// Iterate two values at a time to gather key/value pairs.

9
vendor/github.com/prometheus/procfs/net_softnet.go generated vendored
View file

@ -64,7 +64,7 @@ func (fs FS) NetSoftnetStat() ([]SoftnetStat, error) {
entries, err := parseSoftnet(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/softnet_stat: %w", err)
return nil, fmt.Errorf("%s: /proc/net/softnet_stat: %w", ErrFileParse, err)
}
return entries, nil
@ -76,13 +76,14 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
s := bufio.NewScanner(r)
var stats []SoftnetStat
cpuIndex := 0
for s.Scan() {
columns := strings.Fields(s.Text())
width := len(columns)
softnetStat := SoftnetStat{}
if width < minColumns {
return nil, fmt.Errorf("%d columns were detected, but at least %d were expected", width, minColumns)
return nil, fmt.Errorf("%w: detected %d columns, but expected at least %d", ErrFileParse, width, minColumns)
}
// Linux 2.6.23 https://elixir.bootlin.com/linux/v2.6.23/source/net/core/dev.c#L2347
@ -127,9 +128,13 @@ func parseSoftnet(r io.Reader) ([]SoftnetStat, error) {
softnetStat.SoftnetBacklogLen = us[0]
softnetStat.Index = us[1]
} else {
// For older kernels, create the Index based on the scan line number.
softnetStat.Index = uint32(cpuIndex)
}
softnetStat.Width = width
stats = append(stats, softnetStat)
cpuIndex++
}
return stats, nil

16
vendor/github.com/prometheus/procfs/net_unix.go generated vendored
View file

@ -108,14 +108,14 @@ func parseNetUNIX(r io.Reader) (*NetUNIX, error) {
line := s.Text()
item, err := nu.parseLine(line, hasInode, minFields)
if err != nil {
return nil, fmt.Errorf("failed to parse /proc/net/unix data %q: %w", line, err)
return nil, fmt.Errorf("%s: /proc/net/unix encountered data %q: %w", ErrFileParse, line, err)
}
nu.Rows = append(nu.Rows, item)
}
if err := s.Err(); err != nil {
return nil, fmt.Errorf("failed to scan /proc/net/unix data: %w", err)
return nil, fmt.Errorf("%s: /proc/net/unix encountered data: %w", ErrFileParse, err)
}
return &nu, nil
@ -126,7 +126,7 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
l := len(fields)
if l < min {
return nil, fmt.Errorf("expected at least %d fields but got %d", min, l)
return nil, fmt.Errorf("%w: expected at least %d fields but got %d", ErrFileParse, min, l)
}
// Field offsets are as follows:
@ -136,29 +136,29 @@ func (u *NetUNIX) parseLine(line string, hasInode bool, min int) (*NetUNIXLine,
users, err := u.parseUsers(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse ref count %q: %w", fields[1], err)
return nil, fmt.Errorf("%s: ref count %q: %w", ErrFileParse, fields[1], err)
}
flags, err := u.parseFlags(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse flags %q: %w", fields[3], err)
return nil, fmt.Errorf("%s: Unable to parse flags %q: %w", ErrFileParse, fields[3], err)
}
typ, err := u.parseType(fields[4])
if err != nil {
return nil, fmt.Errorf("failed to parse type %q: %w", fields[4], err)
return nil, fmt.Errorf("%s: Failed to parse type %q: %w", ErrFileParse, fields[4], err)
}
state, err := u.parseState(fields[5])
if err != nil {
return nil, fmt.Errorf("failed to parse state %q: %w", fields[5], err)
return nil, fmt.Errorf("%s: Failed to parse state %q: %w", ErrFileParse, fields[5], err)
}
var inode uint64
if hasInode {
inode, err = u.parseInode(fields[6])
if err != nil {
return nil, fmt.Errorf("failed to parse inode %q: %w", fields[6], err)
return nil, fmt.Errorf("%s failed to parse inode %q: %w", ErrFileParse, fields[6], err)
}
}

182
vendor/github.com/prometheus/procfs/net_wireless.go generated vendored Normal file
View file

@ -0,0 +1,182 @@
// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
// Wireless models the content of /proc/net/wireless.
type Wireless struct {
Name string
// Status is the current 4-digit hex value status of the interface.
Status uint64
// QualityLink is the link quality.
QualityLink int
// QualityLevel is the signal gain (dBm).
QualityLevel int
// QualityNoise is the signal noise baseline (dBm).
QualityNoise int
// DiscardedNwid is the number of discarded packets with wrong nwid/essid.
DiscardedNwid int
// DiscardedCrypt is the number of discarded packets with wrong code/decode (WEP).
DiscardedCrypt int
// DiscardedFrag is the number of discarded packets that can't perform MAC reassembly.
DiscardedFrag int
// DiscardedRetry is the number of discarded packets that reached max MAC retries.
DiscardedRetry int
// DiscardedMisc is the number of discarded packets for other reasons.
DiscardedMisc int
// MissedBeacon is the number of missed beacons/superframe.
MissedBeacon int
}
// Wireless returns kernel wireless statistics.
func (fs FS) Wireless() ([]*Wireless, error) {
b, err := util.ReadFileNoStat(fs.proc.Path("net/wireless"))
if err != nil {
return nil, err
}
m, err := parseWireless(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("%s: wireless: %w", ErrFileParse, err)
}
return m, nil
}
// parseWireless parses the contents of /proc/net/wireless.
/*
Inter-| sta-| Quality | Discarded packets | Missed | WE
face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
eth1: 0000 5. -256. -10. 0 1 0 3 0 0
eth2: 0000 5. -256. -20. 0 2 0 4 0 0
*/
func parseWireless(r io.Reader) ([]*Wireless, error) {
var (
interfaces []*Wireless
scanner = bufio.NewScanner(r)
)
for n := 0; scanner.Scan(); n++ {
// Skip the 2 header lines.
if n < 2 {
continue
}
line := scanner.Text()
parts := strings.Split(line, ":")
if len(parts) != 2 {
return nil, fmt.Errorf("%w: expected 2 parts after splitting line by ':', got %d for line %q", ErrFileParse, len(parts), line)
}
name := strings.TrimSpace(parts[0])
stats := strings.Fields(parts[1])
if len(stats) < 10 {
return nil, fmt.Errorf("%w: invalid number of fields in line %d, expected 10+, got %d: %q", ErrFileParse, n, len(stats), line)
}
status, err := strconv.ParseUint(stats[0], 16, 16)
if err != nil {
return nil, fmt.Errorf("%w: invalid status in line %d: %q", ErrFileParse, n, line)
}
qlink, err := strconv.Atoi(strings.TrimSuffix(stats[1], "."))
if err != nil {
return nil, fmt.Errorf("%s: parse Quality:link as integer %q: %w", ErrFileParse, qlink, err)
}
qlevel, err := strconv.Atoi(strings.TrimSuffix(stats[2], "."))
if err != nil {
return nil, fmt.Errorf("%s: Quality:level as integer %q: %w", ErrFileParse, qlevel, err)
}
qnoise, err := strconv.Atoi(strings.TrimSuffix(stats[3], "."))
if err != nil {
return nil, fmt.Errorf("%s: Quality:noise as integer %q: %w", ErrFileParse, qnoise, err)
}
dnwid, err := strconv.Atoi(stats[4])
if err != nil {
return nil, fmt.Errorf("%s: Discarded:nwid as integer %q: %w", ErrFileParse, dnwid, err)
}
dcrypt, err := strconv.Atoi(stats[5])
if err != nil {
return nil, fmt.Errorf("%s: Discarded:crypt as integer %q: %w", ErrFileParse, dcrypt, err)
}
dfrag, err := strconv.Atoi(stats[6])
if err != nil {
return nil, fmt.Errorf("%s: Discarded:frag as integer %q: %w", ErrFileParse, dfrag, err)
}
dretry, err := strconv.Atoi(stats[7])
if err != nil {
return nil, fmt.Errorf("%s: Discarded:retry as integer %q: %w", ErrFileParse, dretry, err)
}
dmisc, err := strconv.Atoi(stats[8])
if err != nil {
return nil, fmt.Errorf("%s: Discarded:misc as integer %q: %w", ErrFileParse, dmisc, err)
}
mbeacon, err := strconv.Atoi(stats[9])
if err != nil {
return nil, fmt.Errorf("%s: Missed:beacon as integer %q: %w", ErrFileParse, mbeacon, err)
}
w := &Wireless{
Name: name,
Status: status,
QualityLink: qlink,
QualityLevel: qlevel,
QualityNoise: qnoise,
DiscardedNwid: dnwid,
DiscardedCrypt: dcrypt,
DiscardedFrag: dfrag,
DiscardedRetry: dretry,
DiscardedMisc: dmisc,
MissedBeacon: mbeacon,
}
interfaces = append(interfaces, w)
}
if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("%s: Failed to scan /proc/net/wireless: %w", ErrFileRead, err)
}
return interfaces, nil
}

2
vendor/github.com/prometheus/procfs/net_xfrm.go generated vendored
View file

@ -115,7 +115,7 @@ func (fs FS) NewXfrmStat() (XfrmStat, error) {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return XfrmStat{}, fmt.Errorf("couldn't parse %q line %q", file.Name(), s.Text())
return XfrmStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
}
name := fields[0]

25
vendor/github.com/prometheus/procfs/netstat.go generated vendored
View file

@ -15,7 +15,6 @@ package procfs
import (
"bufio"
"io"
"os"
"path/filepath"
"strconv"
@ -38,12 +37,7 @@ func (fs FS) NetStat() ([]NetStat, error) {
var netStatsTotal []NetStat
for _, filePath := range statFiles {
file, err := os.Open(filePath)
if err != nil {
return nil, err
}
procNetstat, err := parseNetstat(file)
procNetstat, err := parseNetstat(filePath)
if err != nil {
return nil, err
}
@ -56,14 +50,17 @@ func (fs FS) NetStat() ([]NetStat, error) {
// parseNetstat parses the metrics from `/proc/net/stat/` file
// and returns a NetStat structure.
func parseNetstat(r io.Reader) (NetStat, error) {
var (
scanner = bufio.NewScanner(r)
netStat = NetStat{
Stats: make(map[string][]uint64),
}
)
func parseNetstat(filePath string) (NetStat, error) {
netStat := NetStat{
Stats: make(map[string][]uint64),
}
file, err := os.Open(filePath)
if err != nil {
return netStat, err
}
defer file.Close()
scanner := bufio.NewScanner(file)
scanner.Scan()
// First string is always a header for stats

37
vendor/github.com/prometheus/procfs/proc.go generated vendored
View file

@ -15,13 +15,13 @@ package procfs
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/fs"
"github.com/prometheus/procfs/internal/util"
)
@ -30,12 +30,18 @@ type Proc struct {
// The process ID.
PID int
fs fs.FS
fs FS
}
// Procs represents a list of Proc structs.
type Procs []Proc
var (
ErrFileParse = errors.New("Error Parsing File")
ErrFileRead = errors.New("Error Reading File")
ErrMountPoint = errors.New("Error Accessing Mount point")
)
func (p Procs) Len() int { return len(p) }
func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
@ -43,7 +49,7 @@ func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID }
// Self returns a process for the current process read via /proc/self.
func Self() (Proc, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
if err != nil || errors.Unwrap(err) == ErrMountPoint {
return Proc{}, err
}
return fs.Self()
@ -92,7 +98,7 @@ func (fs FS) Proc(pid int) (Proc, error) {
if _, err := os.Stat(fs.proc.Path(strconv.Itoa(pid))); err != nil {
return Proc{}, err
}
return Proc{PID: pid, fs: fs.proc}, nil
return Proc{PID: pid, fs: fs}, nil
}
// AllProcs returns a list of all currently available processes.
@ -105,7 +111,7 @@ func (fs FS) AllProcs() (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, names, err)
}
p := Procs{}
@ -114,7 +120,7 @@ func (fs FS) AllProcs() (Procs, error) {
if err != nil {
continue
}
p = append(p, Proc{PID: int(pid), fs: fs.proc})
p = append(p, Proc{PID: int(pid), fs: fs})
}
return p, nil
@ -206,7 +212,7 @@ func (p Proc) FileDescriptors() ([]uintptr, error) {
for i, n := range names {
fd, err := strconv.ParseInt(n, 10, 32)
if err != nil {
return nil, fmt.Errorf("could not parse fd %q: %w", n, err)
return nil, fmt.Errorf("%s: Cannot parse line: %v: %w", ErrFileParse, i, err)
}
fds[i] = uintptr(fd)
}
@ -237,6 +243,19 @@ func (p Proc) FileDescriptorTargets() ([]string, error) {
// FileDescriptorsLen returns the number of currently open file descriptors of
// a process.
func (p Proc) FileDescriptorsLen() (int, error) {
// Use fast path if available (Linux v6.2): https://github.com/torvalds/linux/commit/f1f1f2569901
if p.fs.isReal {
stat, err := os.Stat(p.path("fd"))
if err != nil {
return 0, err
}
size := stat.Size()
if size > 0 {
return int(size), nil
}
}
fds, err := p.fileDescriptors()
if err != nil {
return 0, err
@ -278,14 +297,14 @@ func (p Proc) fileDescriptors() ([]string, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("could not read %q: %w", d.Name(), err)
return nil, fmt.Errorf("%s: Cannot read file: %v: %w", ErrFileRead, names, err)
}
return names, nil
}
func (p Proc) path(pa ...string) string {
return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...)
return p.fs.proc.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...)
}
// FileDescriptorsInfo retrieves information about all file descriptors of

4
vendor/github.com/prometheus/procfs/proc_cgroup.go generated vendored
View file

@ -51,7 +51,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
fields := strings.SplitN(cgroupStr, ":", 3)
if len(fields) < 3 {
return nil, fmt.Errorf("at least 3 fields required, found %d fields in cgroup string: %s", len(fields), cgroupStr)
return nil, fmt.Errorf("%w: 3+ fields required, found %d fields in cgroup string: %s", ErrFileParse, len(fields), cgroupStr)
}
cgroup := &Cgroup{
@ -60,7 +60,7 @@ func parseCgroupString(cgroupStr string) (*Cgroup, error) {
}
cgroup.HierarchyID, err = strconv.Atoi(fields[0])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: hierarchy ID: %q", ErrFileParse, cgroup.HierarchyID)
}
if fields[1] != "" {
ssNames := strings.Split(fields[1], ",")

8
vendor/github.com/prometheus/procfs/proc_cgroups.go generated vendored
View file

@ -46,7 +46,7 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
fields := strings.Fields(CgroupSummaryStr)
// require at least 4 fields
if len(fields) < 4 {
return nil, fmt.Errorf("at least 4 fields required, found %d fields in cgroup info string: %s", len(fields), CgroupSummaryStr)
return nil, fmt.Errorf("%w: 4+ fields required, found %d fields in cgroup info string: %s", ErrFileParse, len(fields), CgroupSummaryStr)
}
CgroupSummary := &CgroupSummary{
@ -54,15 +54,15 @@ func parseCgroupSummaryString(CgroupSummaryStr string) (*CgroupSummary, error) {
}
CgroupSummary.Hierarchy, err = strconv.Atoi(fields[1])
if err != nil {
return nil, fmt.Errorf("failed to parse hierarchy ID")
return nil, fmt.Errorf("%w: Unable to parse hierarchy ID from %q", ErrFileParse, fields[1])
}
CgroupSummary.Cgroups, err = strconv.Atoi(fields[2])
if err != nil {
return nil, fmt.Errorf("failed to parse Cgroup Num")
return nil, fmt.Errorf("%w: Unable to parse Cgroup Num from %q", ErrFileParse, fields[2])
}
CgroupSummary.Enabled, err = strconv.Atoi(fields[3])
if err != nil {
return nil, fmt.Errorf("failed to parse Enabled")
return nil, fmt.Errorf("%w: Unable to parse Enabled from %q", ErrFileParse, fields[3])
}
return CgroupSummary, nil
}

2
vendor/github.com/prometheus/procfs/proc_fdinfo.go generated vendored
View file

@ -111,7 +111,7 @@ func parseInotifyInfo(line string) (*InotifyInfo, error) {
}
return i, nil
}
return nil, fmt.Errorf("invalid inode entry: %q", line)
return nil, fmt.Errorf("%w: invalid inode entry: %q", ErrFileParse, line)
}
// ProcFDInfos represents a list of ProcFDInfo structs.

2
vendor/github.com/prometheus/procfs/proc_interrupts.go generated vendored
View file

@ -66,7 +66,7 @@ func parseInterrupts(r io.Reader) (Interrupts, error) {
continue
}
if len(parts) < 2 {
return nil, fmt.Errorf("not enough fields in interrupts (expected at least 2 fields but got %d): %s", len(parts), parts)
return nil, fmt.Errorf("%w: Not enough fields in interrupts (expected 2+ fields but got %d): %s", ErrFileParse, len(parts), parts)
}
intName := parts[0][:len(parts[0])-1] // remove trailing :

4
vendor/github.com/prometheus/procfs/proc_limits.go generated vendored
View file

@ -103,7 +103,7 @@ func (p Proc) Limits() (ProcLimits, error) {
//fields := limitsMatch.Split(s.Text(), limitsFields)
fields := limitsMatch.FindStringSubmatch(s.Text())
if len(fields) != limitsFields {
return ProcLimits{}, fmt.Errorf("couldn't parse %q line %q", f.Name(), s.Text())
return ProcLimits{}, fmt.Errorf("%w: couldn't parse %q line %q", ErrFileParse, f.Name(), s.Text())
}
switch fields[1] {
@ -154,7 +154,7 @@ func parseUint(s string) (uint64, error) {
}
i, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse value %q: %w", s, err)
return 0, fmt.Errorf("%s: couldn't parse value %q: %w", ErrFileParse, s, err)
}
return i, nil
}

8
vendor/github.com/prometheus/procfs/proc_maps.go generated vendored
View file

@ -65,7 +65,7 @@ type ProcMap struct {
func parseDevice(s string) (uint64, error) {
toks := strings.Split(s, ":")
if len(toks) < 2 {
return 0, fmt.Errorf("unexpected number of fields")
return 0, fmt.Errorf("%w: unexpected number of fields, expected: 2, got: %q", ErrFileParse, len(toks))
}
major, err := strconv.ParseUint(toks[0], 16, 0)
@ -95,7 +95,7 @@ func parseAddress(s string) (uintptr, error) {
func parseAddresses(s string) (uintptr, uintptr, error) {
toks := strings.Split(s, "-")
if len(toks) < 2 {
return 0, 0, fmt.Errorf("invalid address")
return 0, 0, fmt.Errorf("%w: invalid address", ErrFileParse)
}
saddr, err := parseAddress(toks[0])
@ -114,7 +114,7 @@ func parseAddresses(s string) (uintptr, uintptr, error) {
// parsePermissions parses a token and returns any that are set.
func parsePermissions(s string) (*ProcMapPermissions, error) {
if len(s) < 4 {
return nil, fmt.Errorf("invalid permissions token")
return nil, fmt.Errorf("%w: invalid permissions token", ErrFileParse)
}
perms := ProcMapPermissions{}
@ -141,7 +141,7 @@ func parsePermissions(s string) (*ProcMapPermissions, error) {
func parseProcMap(text string) (*ProcMap, error) {
fields := strings.Fields(text)
if len(fields) < 5 {
return nil, fmt.Errorf("truncated procmap entry")
return nil, fmt.Errorf("%w: truncated procmap entry", ErrFileParse)
}
saddr, eaddr, err := parseAddresses(fields[0])

4
vendor/github.com/prometheus/procfs/proc_netstat.go generated vendored
View file

@ -195,8 +195,8 @@ func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procNetstat, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procNetstat, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

6
vendor/github.com/prometheus/procfs/proc_ns.go generated vendored
View file

@ -40,7 +40,7 @@ func (p Proc) Namespaces() (Namespaces, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("failed to read contents of ns dir: %w", err)
return nil, fmt.Errorf("%s: failed to read contents of ns dir: %w", ErrFileRead, err)
}
ns := make(Namespaces, len(names))
@ -52,13 +52,13 @@ func (p Proc) Namespaces() (Namespaces, error) {
fields := strings.SplitN(target, ":", 2)
if len(fields) != 2 {
return nil, fmt.Errorf("failed to parse namespace type and inode from %q", target)
return nil, fmt.Errorf("%w: namespace type and inode from %q", ErrFileParse, target)
}
typ := fields[0]
inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
if err != nil {
return nil, fmt.Errorf("failed to parse inode from %q: %w", fields[1], err)
return nil, fmt.Errorf("%s: inode from %q: %w", ErrFileParse, fields[1], err)
}
ns[name] = Namespace{typ, uint32(inode)}

6
vendor/github.com/prometheus/procfs/proc_psi.go generated vendored
View file

@ -61,14 +61,14 @@ type PSIStats struct {
func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) {
data, err := util.ReadFileNoStat(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
if err != nil {
return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %q: %w", resource, err)
return PSIStats{}, fmt.Errorf("%s: psi_stats: unavailable for %q: %w", ErrFileRead, resource, err)
}
return parsePSIStats(resource, bytes.NewReader(data))
return parsePSIStats(bytes.NewReader(data))
}
// parsePSIStats parses the specified file for pressure stall information.
func parsePSIStats(resource string, r io.Reader) (PSIStats, error) {
func parsePSIStats(r io.Reader) (PSIStats, error) {
psiStats := PSIStats{}
scanner := bufio.NewScanner(r)

4
vendor/github.com/prometheus/procfs/proc_smaps.go generated vendored
View file

@ -135,12 +135,12 @@ func (s *ProcSMapsRollup) parseLine(line string) error {
}
vBytes := vKBytes * 1024
s.addValue(k, v, vKBytes, vBytes)
s.addValue(k, vBytes)
return nil
}
func (s *ProcSMapsRollup) addValue(k string, vString string, vUint uint64, vUintBytes uint64) {
func (s *ProcSMapsRollup) addValue(k string, vUintBytes uint64) {
switch k {
case "Rss":
s.Rss += vUintBytes

4
vendor/github.com/prometheus/procfs/proc_snmp.go generated vendored
View file

@ -159,8 +159,8 @@ func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procSnmp, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
return procSnmp, fmt.Errorf("%w: mismatch field count mismatch in %s: %s",
ErrFileParse, fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)

8
vendor/github.com/prometheus/procfs/proc_stat.go generated vendored
View file

@ -18,7 +18,6 @@ import (
"fmt"
"os"
"github.com/prometheus/procfs/internal/fs"
"github.com/prometheus/procfs/internal/util"
)
@ -112,7 +111,7 @@ type ProcStat struct {
// Aggregated block I/O delays, measured in clock ticks (centiseconds).
DelayAcctBlkIOTicks uint64
proc fs.FS
proc FS
}
// NewStat returns the current status information of the process.
@ -139,7 +138,7 @@ func (p Proc) Stat() (ProcStat, error) {
)
if l < 0 || r < 0 {
return ProcStat{}, fmt.Errorf("unexpected format, couldn't extract comm %q", data)
return ProcStat{}, fmt.Errorf("%w: unexpected format, couldn't extract comm %q", ErrFileParse, data)
}
s.Comm = string(data[l+1 : r])
@ -210,8 +209,7 @@ func (s ProcStat) ResidentMemory() int {
// StartTime returns the unix timestamp of the process in seconds.
func (s ProcStat) StartTime() (float64, error) {
fs := FS{proc: s.proc}
stat, err := fs.Stat()
stat, err := s.proc.Stat()
if err != nil {
return 0, err
}

32
vendor/github.com/prometheus/procfs/proc_status.go generated vendored
View file

@ -15,6 +15,7 @@ package procfs
import (
"bytes"
"sort"
"strconv"
"strings"
@ -76,6 +77,9 @@ type ProcStatus struct {
UIDs [4]string
// GIDs of the process (Real, effective, saved set, and filesystem GIDs)
GIDs [4]string
// CpusAllowedList: List of cpu cores processes are allowed to run on.
CpusAllowedList []uint64
}
// NewStatus returns the current status information of the process.
@ -161,10 +165,38 @@ func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintByt
s.VoluntaryCtxtSwitches = vUint
case "nonvoluntary_ctxt_switches":
s.NonVoluntaryCtxtSwitches = vUint
case "Cpus_allowed_list":
s.CpusAllowedList = calcCpusAllowedList(vString)
}
}
// TotalCtxtSwitches returns the total context switch.
func (s ProcStatus) TotalCtxtSwitches() uint64 {
return s.VoluntaryCtxtSwitches + s.NonVoluntaryCtxtSwitches
}
func calcCpusAllowedList(cpuString string) []uint64 {
s := strings.Split(cpuString, ",")
var g []uint64
for _, cpu := range s {
// parse cpu ranges, example: 1-3=[1,2,3]
if l := strings.Split(strings.TrimSpace(cpu), "-"); len(l) > 1 {
startCPU, _ := strconv.ParseUint(l[0], 10, 64)
endCPU, _ := strconv.ParseUint(l[1], 10, 64)
for i := startCPU; i <= endCPU; i++ {
g = append(g, i)
}
} else if len(l) == 1 {
cpu, _ := strconv.ParseUint(l[0], 10, 64)
g = append(g, cpu)
}
}
sort.Slice(g, func(i, j int) bool { return g[i] < g[j] })
return g
}

2
vendor/github.com/prometheus/procfs/proc_sys.go generated vendored
View file

@ -44,7 +44,7 @@ func (fs FS) SysctlInts(sysctl string) ([]int, error) {
vp := util.NewValueParser(f)
values[i] = vp.Int()
if err := vp.Err(); err != nil {
return nil, fmt.Errorf("field %d in sysctl %s is not a valid int: %w", i, sysctl, err)
return nil, fmt.Errorf("%s: field %d in sysctl %s is not a valid int: %w", ErrFileParse, i, sysctl, err)
}
}
return values, nil

2
vendor/github.com/prometheus/procfs/slab.go generated vendored
View file

@ -68,7 +68,7 @@ func parseV21SlabEntry(line string) (*Slab, error) {
l := slabSpace.ReplaceAllString(line, " ")
s := strings.Split(l, " ")
if len(s) != 16 {
return nil, fmt.Errorf("unable to parse: %q", line)
return nil, fmt.Errorf("%w: unable to parse: %q", ErrFileParse, line)
}
var err error
i := &Slab{Name: s[0]}

24
vendor/github.com/prometheus/procfs/softirqs.go generated vendored
View file

@ -57,7 +57,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
)
if !scanner.Scan() {
return Softirqs{}, fmt.Errorf("softirqs empty")
return Softirqs{}, fmt.Errorf("%w: softirqs empty", ErrFileRead)
}
for scanner.Scan() {
@ -74,7 +74,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Hi = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Hi[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HI%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (HI%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TIMER:":
@ -82,7 +82,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Timer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Timer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (TIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_TX:":
@ -90,7 +90,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetTx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetTx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_TX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (NET_TX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "NET_RX:":
@ -98,7 +98,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.NetRx = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.NetRx[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (NET_RX%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (NET_RX%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "BLOCK:":
@ -106,7 +106,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Block = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Block[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (BLOCK%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (BLOCK%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "IRQ_POLL:":
@ -114,7 +114,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.IRQPoll = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.IRQPoll[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (IRQ_POLL%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (IRQ_POLL%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "TASKLET:":
@ -122,7 +122,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Tasklet = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Tasklet[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (TASKLET%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (TASKLET%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "SCHED:":
@ -130,7 +130,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.Sched = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.Sched[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (SCHED%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (SCHED%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "HRTIMER:":
@ -138,7 +138,7 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.HRTimer = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.HRTimer[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (HRTIMER%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (HRTIMER%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "RCU:":
@ -146,14 +146,14 @@ func parseSoftirqs(r io.Reader) (Softirqs, error) {
softirqs.RCU = make([]uint64, len(perCPU))
for i, count := range perCPU {
if softirqs.RCU[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse %q (RCU%d): %w", count, i, err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse %q (RCU%d): %w", ErrFileParse, count, i, err)
}
}
}
}
if err := scanner.Err(); err != nil {
return Softirqs{}, fmt.Errorf("couldn't parse softirqs: %w", err)
return Softirqs{}, fmt.Errorf("%s: couldn't parse softirqs: %w", ErrFileParse, err)
}
return softirqs, scanner.Err()

28
vendor/github.com/prometheus/procfs/stat.go generated vendored
View file

@ -93,10 +93,10 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
&cpuStat.Guest, &cpuStat.GuestNice)
if err != nil && err != io.EOF {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%s: couldn't parse %q (cpu): %w", ErrFileParse, line, err)
}
if count == 0 {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu): 0 elements parsed", line)
return CPUStat{}, -1, fmt.Errorf("%w: couldn't parse %q (cpu): 0 elements parsed", ErrFileParse, line)
}
cpuStat.User /= userHZ
@ -116,7 +116,7 @@ func parseCPUStat(line string) (CPUStat, int64, error) {
cpuID, err := strconv.ParseInt(cpu[3:], 10, 64)
if err != nil {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %q (cpu/cpuid): %w", line, err)
return CPUStat{}, -1, fmt.Errorf("%s: couldn't parse %q (cpu/cpuid): %w", ErrFileParse, line, err)
}
return cpuStat, cpuID, nil
@ -136,7 +136,7 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
&softIRQStat.Hrtimer, &softIRQStat.Rcu)
if err != nil {
return SoftIRQStat{}, 0, fmt.Errorf("couldn't parse %q (softirq): %w", line, err)
return SoftIRQStat{}, 0, fmt.Errorf("%s: couldn't parse %q (softirq): %w", ErrFileParse, line, err)
}
return softIRQStat, total, nil
@ -187,6 +187,10 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
err error
)
// Increase default scanner buffer to handle very long `intr` lines.
buf := make([]byte, 0, 8*1024)
scanner.Buffer(buf, 1024*1024)
for scanner.Scan() {
line := scanner.Text()
parts := strings.Fields(scanner.Text())
@ -197,34 +201,34 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
switch {
case parts[0] == "btime":
if stat.BootTime, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (btime): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (btime): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "intr":
if stat.IRQTotal, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (intr): %w", ErrFileParse, parts[1], err)
}
numberedIRQs := parts[2:]
stat.IRQ = make([]uint64, len(numberedIRQs))
for i, count := range numberedIRQs {
if stat.IRQ[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (intr%d): %w", count, i, err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (intr%d): %w", ErrFileParse, count, i, err)
}
}
case parts[0] == "ctxt":
if stat.ContextSwitches, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (ctxt): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (ctxt): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "processes":
if stat.ProcessCreated, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (processes): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (processes): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_running":
if stat.ProcessesRunning, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_running): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (procs_running): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "procs_blocked":
if stat.ProcessesBlocked, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q (procs_blocked): %w", parts[1], err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q (procs_blocked): %w", ErrFileParse, parts[1], err)
}
case parts[0] == "softirq":
softIRQStats, total, err := parseSoftIRQStat(line)
@ -247,7 +251,7 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
}
if err := scanner.Err(); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %q: %w", fileName, err)
return Stat{}, fmt.Errorf("%s: couldn't parse %q: %w", ErrFileParse, fileName, err)
}
return stat, nil

8
vendor/github.com/prometheus/procfs/swaps.go generated vendored
View file

@ -64,7 +64,7 @@ func parseSwapString(swapString string) (*Swap, error) {
swapFields := strings.Fields(swapString)
swapLength := len(swapFields)
if swapLength < 5 {
return nil, fmt.Errorf("too few fields in swap string: %s", swapString)
return nil, fmt.Errorf("%w: too few fields in swap string: %s", ErrFileParse, swapString)
}
swap := &Swap{
@ -74,15 +74,15 @@ func parseSwapString(swapString string) (*Swap, error) {
swap.Size, err = strconv.Atoi(swapFields[2])
if err != nil {
return nil, fmt.Errorf("invalid swap size: %s", swapFields[2])
return nil, fmt.Errorf("%s: invalid swap size: %s: %w", ErrFileParse, swapFields[2], err)
}
swap.Used, err = strconv.Atoi(swapFields[3])
if err != nil {
return nil, fmt.Errorf("invalid swap used: %s", swapFields[3])
return nil, fmt.Errorf("%s: invalid swap used: %s: %w", ErrFileParse, swapFields[3], err)
}
swap.Priority, err = strconv.Atoi(swapFields[4])
if err != nil {
return nil, fmt.Errorf("invalid swap priority: %s", swapFields[4])
return nil, fmt.Errorf("%s: invalid swap priority: %s: %w", ErrFileParse, swapFields[4], err)
}
return swap, nil

11
vendor/github.com/prometheus/procfs/thread.go generated vendored
View file

@ -45,7 +45,7 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
names, err := d.Readdirnames(-1)
if err != nil {
return Procs{}, fmt.Errorf("could not read %q: %w", d.Name(), err)
return Procs{}, fmt.Errorf("%s: could not read %q: %w", ErrFileRead, d.Name(), err)
}
t := Procs{}
@ -54,7 +54,8 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
if err != nil {
continue
}
t = append(t, Proc{PID: int(tid), fs: fsi.FS(taskPath)})
t = append(t, Proc{PID: int(tid), fs: FS{fsi.FS(taskPath), fs.isReal}})
}
return t, nil
@ -66,13 +67,13 @@ func (fs FS) Thread(pid, tid int) (Proc, error) {
if _, err := os.Stat(taskPath); err != nil {
return Proc{}, err
}
return Proc{PID: tid, fs: fsi.FS(taskPath)}, nil
return Proc{PID: tid, fs: FS{fsi.FS(taskPath), fs.isReal}}, nil
}
// Thread returns a process for a given TID of Proc.
func (proc Proc) Thread(tid int) (Proc, error) {
tfs := fsi.FS(proc.path("task"))
if _, err := os.Stat(tfs.Path(strconv.Itoa(tid))); err != nil {
tfs := FS{fsi.FS(proc.path("task")), proc.fs.isReal}
if _, err := os.Stat(tfs.proc.Path(strconv.Itoa(tid))); err != nil {
return Proc{}, err
}
return Proc{PID: tid, fs: tfs}, nil

2
vendor/github.com/prometheus/procfs/vm.go generated vendored
View file

@ -86,7 +86,7 @@ func (fs FS) VM() (*VM, error) {
return nil, err
}
if !file.Mode().IsDir() {
return nil, fmt.Errorf("%s is not a directory", path)
return nil, fmt.Errorf("%w: %s is not a directory", ErrFileRead, path)
}
files, err := os.ReadDir(path)

4
vendor/github.com/prometheus/procfs/zoneinfo.go generated vendored
View file

@ -75,11 +75,11 @@ var nodeZoneRE = regexp.MustCompile(`(\d+), zone\s+(\w+)`)
func (fs FS) Zoneinfo() ([]Zoneinfo, error) {
data, err := os.ReadFile(fs.proc.Path("zoneinfo"))
if err != nil {
return nil, fmt.Errorf("error reading zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%s: error reading zoneinfo %q: %w", ErrFileRead, fs.proc.Path("zoneinfo"), err)
}
zoneinfo, err := parseZoneinfo(data)
if err != nil {
return nil, fmt.Errorf("error parsing zoneinfo %q: %w", fs.proc.Path("zoneinfo"), err)
return nil, fmt.Errorf("%s: error parsing zoneinfo %q: %w", ErrFileParse, fs.proc.Path("zoneinfo"), err)
}
return zoneinfo, nil
}

14
vendor/modules.txt vendored
View file

@ -984,21 +984,21 @@ github.com/philhofer/fwd
# github.com/pkg/errors v0.9.1
## explicit
github.com/pkg/errors
# github.com/prometheus/client_golang v1.14.0
## explicit; go 1.17
# github.com/prometheus/client_golang v1.17.0
## explicit; go 1.19
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/internal
github.com/prometheus/client_golang/prometheus/promhttp
# github.com/prometheus/client_model v0.3.0
## explicit; go 1.9
# github.com/prometheus/client_model v0.5.0
## explicit; go 1.19
github.com/prometheus/client_model/go
# github.com/prometheus/common v0.42.0
# github.com/prometheus/common v0.44.0
## explicit; go 1.18
github.com/prometheus/common/expfmt
github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
github.com/prometheus/common/model
# github.com/prometheus/procfs v0.9.0
## explicit; go 1.18
# github.com/prometheus/procfs v0.11.1
## explicit; go 1.19
github.com/prometheus/procfs
github.com/prometheus/procfs/internal/fs
github.com/prometheus/procfs/internal/util