rename metrics and update metrics helps (#152)

* rename metrics and update metrics helps

* add meta info about crowdsec

Co-authored-by: erenJag <erenJag>

cmd/crowdsec-cli/metrics.go

@@ -103,22 +103,22 @@ func ShowPrometheus(url string) {
 			ival := int(fval)
 			switch fam.Name {
 			/*buckets*/
-			case "cs_bucket_create":
+			case "cs_bucket_created_total":
 				if _, ok := buckets_stats[name]; !ok {
 					buckets_stats[name] = make(map[string]int)
 				}
 				buckets_stats[name]["instanciation"] += ival
-			case "cs_bucket_count":
+			case "cs_buckets":
 				if _, ok := buckets_stats[name]; !ok {
 					buckets_stats[name] = make(map[string]int)
 				}
 				buckets_stats[name]["curr_count"] += ival
-			case "cs_bucket_overflow":
+			case "cs_bucket_overflowed_total":
 				if _, ok := buckets_stats[name]; !ok {
 					buckets_stats[name] = make(map[string]int)
 				}
 				buckets_stats[name]["overflow"] += ival
-			case "cs_bucket_pour":
+			case "cs_bucket_poured_total":
 				if _, ok := buckets_stats[name]; !ok {
 					buckets_stats[name] = make(map[string]int)
 				}
@@ -127,38 +127,38 @@ func ShowPrometheus(url string) {
 				}
 				buckets_stats[name]["pour"] += ival
 				acquis_stats[source]["pour"] += ival
-			case "cs_bucket_underflow":
+			case "cs_bucket_underflowed_total":
 				if _, ok := buckets_stats[name]; !ok {
 					buckets_stats[name] = make(map[string]int)
 				}
 				buckets_stats[name]["underflow"] += ival
 				/*acquis*/
-			case "cs_reader_hits":
+			case "cs_reader_hits_total":
 				if _, ok := acquis_stats[source]; !ok {
 					acquis_stats[source] = make(map[string]int)
 				}
 				acquis_stats[source]["reads"] += ival
-			case "cs_parser_hits_ok":
+			case "cs_parser_hits_ok_total":
 				if _, ok := acquis_stats[source]; !ok {
 					acquis_stats[source] = make(map[string]int)
 				}
 				acquis_stats[source]["parsed"] += ival
-			case "cs_parser_hits_ko":
+			case "cs_parser_hits_ko_total":
 				if _, ok := acquis_stats[source]; !ok {
 					acquis_stats[source] = make(map[string]int)
 				}
 				acquis_stats[source]["unparsed"] += ival
-			case "cs_node_hits":
+			case "cs_node_hits_total":
 				if _, ok := parsers_stats[name]; !ok {
 					parsers_stats[name] = make(map[string]int)
 				}
 				parsers_stats[name]["hits"] += ival
-			case "cs_node_hits_ok":
+			case "cs_node_hits_ok_total":
 				if _, ok := parsers_stats[name]; !ok {
 					parsers_stats[name] = make(map[string]int)
 				}
 				parsers_stats[name]["parsed"] += ival
-			case "cs_node_hits_ko":
+			case "cs_node_hits_ko_total":
 				if _, ok := parsers_stats[name]; !ok {
 					parsers_stats[name] = make(map[string]int)
 				}

cmd/crowdsec/metrics.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/crowdsecurity/crowdsec/pkg/acquisition"
+	"github.com/crowdsecurity/crowdsec/pkg/cwversion"
 	leaky "github.com/crowdsecurity/crowdsec/pkg/leakybucket"
 	"github.com/crowdsecurity/crowdsec/pkg/parser"
 	"github.com/jamiealquiza/tachymeter"
@@ -32,37 +33,45 @@ var (
 /*prometheus*/
 var globalParserHits = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_parser_hits",
-		Help: "How many time an event entered the parser.",
+		Name: "cs_parser_hits_total",
+		Help: "Total events entered the parser.",
 	},
 	[]string{"source"},
 )
 var globalParserHitsOk = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_parser_hits_ok",
-		Help: "How many time an event was successfully parsed.",
+		Name: "cs_parser_hits_ok_total",
+		Help: "Total events were successfully parsed.",
 	},
 	[]string{"source"},
 )
 var globalParserHitsKo = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_parser_hits_ko",
-		Help: "How many time an event was unsuccessfully parsed.",
+		Name: "cs_parser_hits_ko_total",
+		Help: "Total events were unsuccessfully parsed.",
 	},
 	[]string{"source"},
 )
 
 var globalBucketPourKo = prometheus.NewCounter(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_pour_ko",
-		Help: "How many time an event was poured in no bucket.",
+		Name: "cs_bucket_pour_ko_total",
+		Help: "Total events were not poured in a bucket.",
 	},
 )
 
 var globalBucketPourOk = prometheus.NewCounter(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_pour_ok",
-		Help: "How many time an event was poured in at least one bucket.",
+		Name: "cs_bucket_pour_ok_total",
+		Help: "Total events were poured in at least one bucket.",
+	},
+)
+
+var globalCsInfo = prometheus.NewGauge(
+	prometheus.GaugeOpts{
+		Name:        "cs_info",
+		Help:        "Information about Crowdsec.",
+		ConstLabels: prometheus.Labels{"version": cwversion.VersionStr()},
 	},
 )
 
@@ -122,7 +131,7 @@ func registerPrometheus() {
 	log.Warningf("Loading prometheus collectors")
 	prometheus.MustRegister(globalParserHits, globalParserHitsOk, globalParserHitsKo,
 		parser.NodesHits, parser.NodesHitsOk, parser.NodesHitsKo,
-		acquisition.ReaderHits,
+		acquisition.ReaderHits, globalCsInfo,
 		leaky.BucketsPour, leaky.BucketsUnderflow, leaky.BucketsInstanciation, leaky.BucketsOverflow, leaky.BucketsCurrentCount)
 	http.Handle("/metrics", promhttp.Handler())
 }

docs/observability/metrics.md

@@ -79,40 +79,40 @@ All the counters are "since {{crowdsec.name}} start".
 
 ### Scenarios
 
- - `cs_bucket_create` : number of instantiation of each scenario 
- - `cs_bucket_overflow` : number of overflow of each scenario
- - `cs_bucket_underflow` : number of underflow of each scenario (bucket was created but expired because of lack of events)
- - `cs_bucket_pour` : number of event poured to each scenario with source as complementary key :
+ - `cs_bucket_created_total` : number of instantiation of each scenario 
+ - `cs_bucket_overflowed_total` : number of overflow of each scenario
+ - `cs_bucket_underflowed_total` : number of underflow of each scenario (bucket was created but expired because of lack of events)
+ - `cs_bucket_poured_total` : number of event poured to each scenario with source as complementary key :
 
 ```
 #2030 lines from `/var/log/nginx/access.log` were poured to `crowdsecurity/http-scan-uniques_404` scenario
-cs_bucket_pour{name="crowdsecurity/http-scan-uniques_404",source="/var/log/nginx/access.log"} 2030
+cs_bucket_poured_total{name="crowdsecurity/http-scan-uniques_404",source="/var/log/nginx/access.log"} 2030
 ```
 
 
 ### Parsers
- - `cs_node_hits` : how many time an event from a specific source was processed by a parser node :
+ - `cs_node_hits_total` : how many time an event from a specific source was processed by a parser node :
 
 ```
 # 235 lines from `auth.log` were processed by the `crowdsecurity/dateparse-enrich` parser
-cs_node_hits{name="crowdsecurity/dateparse-enrich",source="/var/log/auth.log"} 235
+cs_node_hits_total{name="crowdsecurity/dateparse-enrich",source="/var/log/auth.log"} 235
 ```
 
- - `cs_node_hits_ko` : how many times an event from a specific was unsuccessfully parsed by a specific parser
+ - `cs_node_hits_ko_total` : how many times an event from a specific was unsuccessfully parsed by a specific parser
 
 ```
 # 2112 lines from `error.log` failed to be parsed by `crowdsecurity/http-logs`
-cs_node_hits_ko{name="crowdsecurity/http-logs",source="/var/log/nginx/error.log"} 2112
+cs_node_hits_ko_total{name="crowdsecurity/http-logs",source="/var/log/nginx/error.log"} 2112
 ```
 
- - `cs_node_hits_ok` : how many times an event from a specific source was successfully parsed by a specific parser
+ - `cs_node_hits_ok_total` : how many times an event from a specific source was successfully parsed by a specific parser
 
- - `cs_parser_hits` : how many times an event from a source has hit the parser
- - `cs_parser_hits_ok` : how many times an event from a source was successfully parsed
- - `cs_parser_hits_ko` : how many times an event from a source was unsuccessfully parsed
+ - `cs_parser_hits_total` : how many times an event from a source has hit the parser
+ - `cs_parser_hits_ok_total` : how many times an event from a source was successfully parsed
+ - `cs_parser_hits_ko_total` : how many times an event from a source was unsuccessfully parsed
 
 
 ### Acquisition
 
- - `cs_reader_hits` : how many events were read from a specific source
+ - `cs_reader_hits_total` : how many events were read from a specific source
 

pkg/acquisition/file_reader.go

@@ -61,8 +61,8 @@ const (
 
 var ReaderHits = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_reader_hits",
-		Help: "How many lines where read.",
+		Name: "cs_reader_hits_total",
+		Help: "Total lines where read.",
 	},
 	[]string{"source"},
 )

pkg/leakybucket/bucket.go

@@ -68,40 +68,40 @@ type Leaky struct {
 
 var BucketsPour = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_pour",
-		Help: "How many time an event was poured in this bucket.",
+		Name: "cs_bucket_poured_total",
+		Help: "Total events were poured in bucket.",
 	},
 	[]string{"source", "name"},
 )
 
 var BucketsOverflow = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_overflow",
-		Help: "How many time this bucket overflowed.",
+		Name: "cs_bucket_overflowed_total",
+		Help: "Total buckets overflowed.",
 	},
 	[]string{"name"},
 )
 
 var BucketsUnderflow = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_underflow",
-		Help: "How many time this bucket has underflowed.",
+		Name: "cs_bucket_underflowed_total",
+		Help: "Total buckets underflowed.",
 	},
 	[]string{"name"},
 )
 
 var BucketsInstanciation = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_bucket_create",
-		Help: "How many time this bucket was instanciated.",
+		Name: "cs_bucket_created_total",
+		Help: "Total buckets were instanciated.",
 	},
 	[]string{"name"},
 )
 
 var BucketsCurrentCount = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
-		Name: "cs_bucket_count",
-		Help: "How many instances of this bucket exist.",
+		Name: "cs_buckets",
+		Help: "Number of buckets that currently exist.",
 	},
 	[]string{"name"},
 )

pkg/parser/runtime.go

@@ -196,24 +196,24 @@ func ProcessStatics(statics []types.ExtraField, p *types.Event, clog *logrus.Ent
 
 var NodesHits = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_node_hits",
-		Help: "How many time an event entered this node.",
+		Name: "cs_node_hits_total",
+		Help: "Total events entered node.",
 	},
 	[]string{"source", "name"},
 )
 
 var NodesHitsOk = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_node_hits_ok",
-		Help: "How many time an event successfuly exited this node.",
+		Name: "cs_node_hits_ok_total",
+		Help: "Total events successfuly exited node.",
 	},
 	[]string{"source", "name"},
 )
 
 var NodesHitsKo = prometheus.NewCounterVec(
 	prometheus.CounterOpts{
-		Name: "cs_node_hits_ko",
-		Help: "How many time an event unsuccessfuly exited this node.",
+		Name: "cs_node_hits_ko_total",
+		Help: "Total events unsuccessfuly exited node.",
 	},
 	[]string{"source", "name"},
 )