561 lines
15 KiB
Go
561 lines
15 KiB
Go
package acquisition
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import (
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/crowdsecurity/crowdsec/pkg/acquisition/configuration"
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"github.com/crowdsecurity/crowdsec/pkg/csconfig"
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"github.com/crowdsecurity/crowdsec/pkg/cstest"
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"github.com/crowdsecurity/crowdsec/pkg/types"
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"github.com/pkg/errors"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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tomb "gopkg.in/tomb.v2"
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"gopkg.in/yaml.v2"
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"gotest.tools/v3/assert"
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)
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type MockSource struct {
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configuration.DataSourceCommonCfg `yaml:",inline"`
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Toto string `yaml:"toto"`
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logger *log.Entry
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}
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func (f *MockSource) Configure(cfg []byte, logger *log.Entry) error {
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f.logger = logger
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if err := yaml.UnmarshalStrict(cfg, &f); err != nil {
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return errors.Wrap(err, "while unmarshaling to reader specific config")
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}
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if f.Mode == "" {
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f.Mode = configuration.CAT_MODE
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}
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if f.Mode != configuration.CAT_MODE && f.Mode != configuration.TAIL_MODE {
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return fmt.Errorf("mode %s is not supported", f.Mode)
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}
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if f.Toto == "" {
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return fmt.Errorf("expect non-empty toto")
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}
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return nil
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}
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func (f *MockSource) GetMode() string { return f.Mode }
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func (f *MockSource) OneShotAcquisition(chan types.Event, *tomb.Tomb) error { return nil }
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func (f *MockSource) StreamingAcquisition(chan types.Event, *tomb.Tomb) error { return nil }
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func (f *MockSource) CanRun() error { return nil }
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func (f *MockSource) GetMetrics() []prometheus.Collector { return nil }
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func (f *MockSource) GetAggregMetrics() []prometheus.Collector { return nil }
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func (f *MockSource) Dump() interface{} { return f }
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func (f *MockSource) GetName() string { return "mock" }
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func (f *MockSource) ConfigureByDSN(string, map[string]string, *log.Entry) error {
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return fmt.Errorf("not supported")
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}
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// copy the mocksource, but this one can't run
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type MockSourceCantRun struct {
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MockSource
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}
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func (f *MockSourceCantRun) CanRun() error { return fmt.Errorf("can't run bro") }
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func (f *MockSourceCantRun) GetName() string { return "mock_cant_run" }
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// appendMockSource is only used to add mock source for tests
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func appendMockSource() {
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if GetDataSourceIface("mock") == nil {
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mock := struct {
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name string
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iface func() DataSource
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}{
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name: "mock",
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iface: func() DataSource { return &MockSource{} },
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}
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AcquisitionSources = append(AcquisitionSources, mock)
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}
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if GetDataSourceIface("mock_cant_run") == nil {
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mock := struct {
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name string
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iface func() DataSource
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}{
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name: "mock_cant_run",
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iface: func() DataSource { return &MockSourceCantRun{} },
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}
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AcquisitionSources = append(AcquisitionSources, mock)
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}
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}
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func TestDataSourceConfigure(t *testing.T) {
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appendMockSource()
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tests := []struct {
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TestName string
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RawBytes []byte
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ExpectedError string
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}{
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{
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TestName: "basic_valid_config",
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RawBytes: []byte(`
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mode: cat
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labels:
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test: foobar
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log_level: info
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source: mock
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toto: test_value1
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`),
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},
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{
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TestName: "basic_debug_config",
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RawBytes: []byte(`
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mode: cat
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labels:
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test: foobar
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log_level: debug
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source: mock
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toto: test_value1
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`),
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},
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{
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TestName: "basic_tailmode_config",
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RawBytes: []byte(`
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mode: tail
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labels:
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test: foobar
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log_level: debug
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source: mock
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toto: test_value1
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`),
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},
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{
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TestName: "bad_mode_config",
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RawBytes: []byte(`
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mode: ratata
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labels:
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test: foobar
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log_level: debug
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source: mock
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toto: test_value1
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`),
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ExpectedError: "failed to configure datasource mock: mode ratata is not supported",
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},
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{
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TestName: "bad_type_config",
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RawBytes: []byte(`
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mode: cat
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labels:
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test: foobar
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log_level: debug
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source: tutu
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`),
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ExpectedError: "cannot find source tutu",
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},
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{
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TestName: "mismatch_config",
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RawBytes: []byte(`
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mode: cat
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labels:
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test: foobar
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log_level: debug
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source: mock
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wowo: ajsajasjas
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`),
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ExpectedError: "field wowo not found in type acquisition.MockSource",
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},
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{
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TestName: "cant_run_error",
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RawBytes: []byte(`
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mode: cat
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labels:
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test: foobar
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log_level: debug
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source: mock_cant_run
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wowo: ajsajasjas
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`),
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ExpectedError: "datasource mock_cant_run cannot be run: can't run bro",
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},
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}
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for _, test := range tests {
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common := configuration.DataSourceCommonCfg{}
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yaml.Unmarshal(test.RawBytes, &common)
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ds, err := DataSourceConfigure(common)
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if test.ExpectedError != "" {
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if err == nil {
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t.Fatalf("expected error %s, got none", test.ExpectedError)
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}
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if !strings.Contains(err.Error(), test.ExpectedError) {
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t.Fatalf("%s : expected error '%s' in '%s'", test.TestName, test.ExpectedError, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("%s : unexpected error '%s'", test.TestName, err)
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}
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switch test.TestName {
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case "basic_valid_config":
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mock := (*ds).Dump().(*MockSource)
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assert.Equal(t, mock.Toto, "test_value1")
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assert.Equal(t, mock.Mode, "cat")
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assert.Equal(t, mock.logger.Logger.Level, log.InfoLevel)
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assert.DeepEqual(t, mock.Labels, map[string]string{"test": "foobar"})
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case "basic_debug_config":
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mock := (*ds).Dump().(*MockSource)
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assert.Equal(t, mock.Toto, "test_value1")
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assert.Equal(t, mock.Mode, "cat")
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assert.Equal(t, mock.logger.Logger.Level, log.DebugLevel)
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assert.DeepEqual(t, mock.Labels, map[string]string{"test": "foobar"})
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case "basic_tailmode_config":
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mock := (*ds).Dump().(*MockSource)
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assert.Equal(t, mock.Toto, "test_value1")
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assert.Equal(t, mock.Mode, "tail")
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assert.Equal(t, mock.logger.Logger.Level, log.DebugLevel)
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assert.DeepEqual(t, mock.Labels, map[string]string{"test": "foobar"})
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}
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}
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}
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func TestLoadAcquisitionFromFile(t *testing.T) {
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appendMockSource()
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tests := []struct {
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TestName string
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Config csconfig.CrowdsecServiceCfg
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ExpectedError string
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ExpectedLen int
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}{
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{
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TestName: "non_existent_file",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"does_not_exist"},
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},
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ExpectedError: "can't open does_not_exist",
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ExpectedLen: 0,
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},
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{
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TestName: "invalid_yaml_file",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/badyaml.yaml"},
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},
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ExpectedError: "failed to yaml decode test_files/badyaml.yaml: yaml: unmarshal errors",
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ExpectedLen: 0,
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},
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{
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TestName: "invalid_empty_yaml",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/emptyitem.yaml"},
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},
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ExpectedLen: 0,
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},
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{
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TestName: "basic_valid",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/basic_filemode.yaml"},
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},
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ExpectedLen: 2,
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},
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{
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TestName: "missing_labels",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/missing_labels.yaml"},
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},
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ExpectedError: "missing labels in test_files/missing_labels.yaml",
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},
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{
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TestName: "backward_compat",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/backward_compat.yaml"},
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},
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ExpectedLen: 2,
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},
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{
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TestName: "bad_type",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/bad_source.yaml"},
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},
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ExpectedError: "unknown data source does_not_exist in test_files/bad_source.yaml",
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},
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{
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TestName: "invalid_filetype_config",
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Config: csconfig.CrowdsecServiceCfg{
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AcquisitionFiles: []string{"test_files/bad_filetype.yaml"},
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},
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ExpectedError: "while configuring datasource of type file from test_files/bad_filetype.yaml",
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},
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}
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for _, test := range tests {
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dss, err := LoadAcquisitionFromFile(&test.Config)
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if test.ExpectedError != "" {
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if err == nil {
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t.Fatalf("expected error %s, got none", test.ExpectedError)
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}
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if !strings.Contains(err.Error(), test.ExpectedError) {
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t.Fatalf("%s : expected error '%s' in '%s'", test.TestName, test.ExpectedError, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("%s : unexpected error '%s'", test.TestName, err)
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}
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if len(dss) != test.ExpectedLen {
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t.Fatalf("%s : expected %d datasources got %d", test.TestName, test.ExpectedLen, len(dss))
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}
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}
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}
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/*
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test start acquisition :
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- create mock parser in cat mode : start acquisition, check it returns, count items in chan
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- create mock parser in tail mode : start acquisition, sleep, check item count, tomb kill it, wait for it to return
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*/
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type MockCat struct {
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configuration.DataSourceCommonCfg `yaml:",inline"`
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logger *log.Entry
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}
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func (f *MockCat) Configure(cfg []byte, logger *log.Entry) error {
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f.logger = logger
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if f.Mode == "" {
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f.Mode = configuration.CAT_MODE
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}
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if f.Mode != configuration.CAT_MODE {
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return fmt.Errorf("mode %s is not supported", f.Mode)
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}
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return nil
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}
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func (f *MockCat) GetName() string { return "mock_cat" }
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func (f *MockCat) GetMode() string { return "cat" }
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func (f *MockCat) OneShotAcquisition(out chan types.Event, tomb *tomb.Tomb) error {
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for i := 0; i < 10; i++ {
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evt := types.Event{}
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evt.Line.Src = "test"
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out <- evt
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}
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return nil
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}
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func (f *MockCat) StreamingAcquisition(chan types.Event, *tomb.Tomb) error {
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return fmt.Errorf("can't run in tail")
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}
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func (f *MockCat) CanRun() error { return nil }
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func (f *MockCat) GetMetrics() []prometheus.Collector { return nil }
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func (f *MockCat) GetAggregMetrics() []prometheus.Collector { return nil }
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func (f *MockCat) Dump() interface{} { return f }
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func (f *MockCat) ConfigureByDSN(string, map[string]string, *log.Entry) error {
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return fmt.Errorf("not supported")
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}
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//----
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type MockTail struct {
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configuration.DataSourceCommonCfg `yaml:",inline"`
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logger *log.Entry
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}
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func (f *MockTail) Configure(cfg []byte, logger *log.Entry) error {
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f.logger = logger
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if f.Mode == "" {
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f.Mode = configuration.TAIL_MODE
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}
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if f.Mode != configuration.TAIL_MODE {
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return fmt.Errorf("mode %s is not supported", f.Mode)
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}
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return nil
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}
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func (f *MockTail) GetName() string { return "mock_tail" }
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func (f *MockTail) GetMode() string { return "tail" }
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func (f *MockTail) OneShotAcquisition(out chan types.Event, tomb *tomb.Tomb) error {
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return fmt.Errorf("can't run in cat mode")
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}
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func (f *MockTail) StreamingAcquisition(out chan types.Event, t *tomb.Tomb) error {
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for i := 0; i < 10; i++ {
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evt := types.Event{}
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evt.Line.Src = "test"
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out <- evt
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}
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<-t.Dying()
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return nil
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}
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func (f *MockTail) CanRun() error { return nil }
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func (f *MockTail) GetMetrics() []prometheus.Collector { return nil }
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func (f *MockTail) GetAggregMetrics() []prometheus.Collector { return nil }
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func (f *MockTail) Dump() interface{} { return f }
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func (f *MockTail) ConfigureByDSN(string, map[string]string, *log.Entry) error {
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return fmt.Errorf("not supported")
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}
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//func StartAcquisition(sources []DataSource, output chan types.Event, AcquisTomb *tomb.Tomb) error {
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func TestStartAcquisitionCat(t *testing.T) {
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sources := []DataSource{
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&MockCat{},
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}
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out := make(chan types.Event)
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acquisTomb := tomb.Tomb{}
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go func() {
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if err := StartAcquisition(sources, out, &acquisTomb); err != nil {
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t.Errorf("unexpected error")
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}
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}()
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count := 0
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READLOOP:
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for {
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select {
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case <-out:
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count++
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case <-time.After(1 * time.Second):
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break READLOOP
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}
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}
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if count != 10 {
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t.Fatalf("expected 10 results, got %d", count)
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}
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}
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func TestStartAcquisitionTail(t *testing.T) {
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sources := []DataSource{
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&MockTail{},
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}
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out := make(chan types.Event)
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acquisTomb := tomb.Tomb{}
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go func() {
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if err := StartAcquisition(sources, out, &acquisTomb); err != nil {
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t.Errorf("unexpected error")
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}
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}()
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count := 0
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READLOOP:
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for {
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select {
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case <-out:
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count++
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case <-time.After(1 * time.Second):
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break READLOOP
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}
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}
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if count != 10 {
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t.Fatalf("expected 10 results, got %d", count)
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}
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acquisTomb.Kill(nil)
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time.Sleep(1 * time.Second)
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if acquisTomb.Err() != nil {
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t.Fatalf("unexpected tomb error %s (should be dead)", acquisTomb.Err())
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}
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}
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type MockTailError struct {
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MockTail
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}
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func (f *MockTailError) StreamingAcquisition(out chan types.Event, t *tomb.Tomb) error {
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for i := 0; i < 10; i++ {
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evt := types.Event{}
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evt.Line.Src = "test"
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out <- evt
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}
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t.Kill(fmt.Errorf("got error (tomb)"))
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return fmt.Errorf("got error")
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}
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func TestStartAcquisitionTailError(t *testing.T) {
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sources := []DataSource{
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&MockTailError{},
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}
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out := make(chan types.Event)
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acquisTomb := tomb.Tomb{}
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go func() {
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if err := StartAcquisition(sources, out, &acquisTomb); err != nil && err.Error() != "got error (tomb)" {
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t.Errorf("expected error, got '%s'", err)
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}
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}()
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count := 0
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READLOOP:
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for {
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select {
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case <-out:
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count++
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case <-time.After(1 * time.Second):
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break READLOOP
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}
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}
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if count != 10 {
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t.Fatalf("expected 10 results, got %d", count)
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}
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//acquisTomb.Kill(nil)
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time.Sleep(1 * time.Second)
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if acquisTomb.Err().Error() != "got error (tomb)" {
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t.Fatalf("didn't got expected error, got '%s'", acquisTomb.Err().Error())
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}
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}
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type MockSourceByDSN struct {
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configuration.DataSourceCommonCfg `yaml:",inline"`
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Toto string `yaml:"toto"`
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logger *log.Entry //nolint: unused
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}
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func (f *MockSourceByDSN) Configure(cfg []byte, logger *log.Entry) error { return nil }
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func (f *MockSourceByDSN) GetMode() string { return f.Mode }
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func (f *MockSourceByDSN) OneShotAcquisition(chan types.Event, *tomb.Tomb) error { return nil }
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func (f *MockSourceByDSN) StreamingAcquisition(chan types.Event, *tomb.Tomb) error { return nil }
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func (f *MockSourceByDSN) CanRun() error { return nil }
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func (f *MockSourceByDSN) GetMetrics() []prometheus.Collector { return nil }
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func (f *MockSourceByDSN) GetAggregMetrics() []prometheus.Collector { return nil }
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func (f *MockSourceByDSN) Dump() interface{} { return f }
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func (f *MockSourceByDSN) GetName() string { return "mockdsn" }
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func (f *MockSourceByDSN) ConfigureByDSN(dsn string, labels map[string]string, logger *log.Entry) error {
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dsn = strings.TrimPrefix(dsn, "mockdsn://")
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if dsn != "test_expect" {
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return fmt.Errorf("unexpected value")
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}
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return nil
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}
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func TestConfigureByDSN(t *testing.T) {
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tests := []struct {
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|
dsn string
|
|
ExpectedError string
|
|
ExpectedResLen int
|
|
}{
|
|
{
|
|
dsn: "baddsn",
|
|
ExpectedError: "baddsn isn't valid dsn (no protocol)",
|
|
},
|
|
{
|
|
dsn: "foobar://toto",
|
|
ExpectedError: "no acquisition for protocol foobar://",
|
|
},
|
|
{
|
|
dsn: "mockdsn://test_expect",
|
|
ExpectedResLen: 1,
|
|
},
|
|
{
|
|
dsn: "mockdsn://bad",
|
|
ExpectedError: "unexpected value",
|
|
},
|
|
}
|
|
|
|
if GetDataSourceIface("mockdsn") == nil {
|
|
mock := struct {
|
|
name string
|
|
iface func() DataSource
|
|
}{
|
|
name: "mockdsn",
|
|
iface: func() DataSource { return &MockSourceByDSN{} },
|
|
}
|
|
AcquisitionSources = append(AcquisitionSources, mock)
|
|
}
|
|
|
|
for _, test := range tests {
|
|
srcs, err := LoadAcquisitionFromDSN(test.dsn, map[string]string{"type": "test_label"})
|
|
cstest.AssertErrorContains(t, err, test.ExpectedError)
|
|
|
|
if len(srcs) != test.ExpectedResLen {
|
|
t.Fatalf("expected %d results, got %d", test.ExpectedResLen, len(srcs))
|
|
}
|
|
}
|
|
}
|