observ

func RecordCacheLookup ¶ added in v0.17.0

func RecordCacheLookup(ctx context.Context, result, typ string)

func RecordUpstreamFetch ¶ added in v0.17.0

func RecordUpstreamFetch(ctx context.Context, result string)

func RecordUpstreamFetchDuration ¶ added in v0.17.0

func RecordUpstreamFetchDuration(ctx context.Context, result string, duration time.Duration)

func RegisterExporter ¶

func RegisterExporter(traceExporter, url, service, env string) (func(), error)

RegisterExporter determines the type of TraceExporter service for exporting traces from opencensus User can choose from multiple tracing services (datadog, jaegar) RegisterExporter returns the 'Flush' function for that particular tracing service.

func RegisterStatsExporter ¶ added in v0.3.0

func RegisterStatsExporter(r *mux.Router, statsExporter, service string) (func(), error)

RegisterStatsExporter determines the type of StatsExporter service for exporting stats from Opencensus Currently it supports: prometheus.

func StartSpan ¶

func StartSpan(ctx context.Context, op string) (context.Context, *trace.Span)

StartSpan takes in a Context Interface and opName and starts a span. It returns the new attached ObserverContext and span.