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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package telemetry | ||
|
|
||
| import ( | ||
| "time" | ||
| ) | ||
|
|
||
| var ( | ||
| enable = true | ||
| interval = time.Hour | ||
| method = "POST" | ||
| protocol = "https" | ||
| url = "telemetry-g.snowplowanalytics.com" | ||
| port = "443" | ||
| applicationName = "stream-replicator" | ||
| applicationVersion = "1.0.0" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package telemetry | ||
|
|
||
| import ( | ||
| "fmt" | ||
| log "github.com/sirupsen/logrus" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| conf "github.com/snowplow-devops/stream-replicator/config" | ||
| gt "github.com/snowplow/snowplow-golang-tracker/v2/tracker" | ||
| "github.com/twinj/uuid" | ||
| ) | ||
|
|
||
| // config holds the configuration for telemetry | ||
| type config struct { | ||
| enable bool | ||
| interval time.Duration | ||
| method string | ||
| url string | ||
| protocol string | ||
| port string | ||
| userProvidedID string | ||
| applicationName string | ||
| applicationVersion string | ||
| appGeneratedID string | ||
| } | ||
|
|
||
| func newTelemetryWithConfig(cfg *conf.Config) *config { | ||
| return &config{ | ||
| enable: enable, | ||
| interval: interval, | ||
| method: method, | ||
| protocol: protocol, | ||
| url: url, | ||
| port: port, | ||
| userProvidedID: cfg.Data.UserProvidedID, | ||
| applicationName: applicationName, | ||
| applicationVersion: applicationVersion, | ||
| appGeneratedID: uuid.NewV4().String(), | ||
| } | ||
| } | ||
|
|
||
| func initTelemetry(telemetry *config) { | ||
| storage := gt.InitStorageMemory() | ||
| emitter := gt.InitEmitter( | ||
| gt.RequireCollectorUri(fmt.Sprintf(`%s:%s`, telemetry.url, telemetry.port)), | ||
| gt.OptionRequestType(telemetry.method), | ||
| gt.OptionProtocol(telemetry.protocol), | ||
| gt.OptionCallback(func(g []gt.CallbackResult, b []gt.CallbackResult) { | ||
| if len(g) != 0 && g[0].Status != http.StatusOK { | ||
| log.Printf(`Error sending good telemetry event: %d code`, g[0].Status) | ||
| return | ||
| } | ||
| if len(b) != 0 && b[0].Status != http.StatusOK { | ||
| log.Printf(`Error sending bad telemetry event: %d code`, b[0].Status) | ||
| return | ||
| } | ||
| log.Println(`Telemetry event sent successfully`) | ||
| }), | ||
| gt.OptionStorage(storage), | ||
| ) | ||
|
|
||
| tracker := gt.InitTracker( | ||
| gt.RequireEmitter(emitter), | ||
| gt.OptionNamespace("telemetry"), | ||
| gt.OptionAppId(telemetry.applicationName), | ||
| ) | ||
|
|
||
| ticker := time.NewTicker(telemetry.interval) | ||
|
|
||
| go func() { | ||
| makeAndTrackHeartbeat(telemetry, tracker) | ||
| for { | ||
| <-ticker.C | ||
| makeAndTrackHeartbeat(telemetry, tracker) | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| func makeAndTrackHeartbeat(telemetry *config, tracker *gt.Tracker) { | ||
| event := makeHeartbeatEvent(*telemetry) | ||
|
|
||
| tracker.TrackSelfDescribingEvent(gt.SelfDescribingEvent{ | ||
| Event: event, | ||
| Timestamp: nil, | ||
| EventId: nil, | ||
| TrueTimestamp: nil, | ||
| Contexts: nil, | ||
| Subject: nil, | ||
| }) | ||
| } | ||
|
|
||
| // InitTelemetryWithCollector initialises telemetry | ||
| func InitTelemetryWithCollector(cfg *conf.Config) { | ||
| telemetry := newTelemetryWithConfig(cfg) | ||
| initTelemetry(telemetry) | ||
| } | ||
|
|
||
| func makeHeartbeatEvent(service config) *gt.SelfDescribingJson { | ||
| payload := gt.InitPayload() | ||
|
|
||
| payload.Add(`userProvidedId`, &service.userProvidedID) | ||
| payload.Add(`applicationName`, &service.applicationName) | ||
| payload.Add(`applicationVersion`, &service.applicationVersion) | ||
| payload.Add(`appGeneratedId`, &service.appGeneratedID) | ||
|
|
||
| selfDescJSON := gt.InitSelfDescribingJson( | ||
| `iglu:com.snowplowanalytics.oss/oss_context/jsonschema/1-0-1`, payload.Get()) | ||
| return selfDescJSON | ||
| } |