feat: tracing
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083573ecb9
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GPG Key ID:
B5445E357FB8B892
93
cmd/twhelp/internal/otel.go
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93
cmd/twhelp/internal/otel.go
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@ -0,0 +1,93 @@
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package internal
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import (
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"fmt"
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"github.com/Kichiyaki/appmode/v2"
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"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
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"go.opentelemetry.io/otel/propagation"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/sdk/resource"
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semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
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"github.com/kelseyhightower/envconfig"
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"go.opentelemetry.io/otel/exporters/jaeger"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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)
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type otelConfig struct {
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Enabled bool `envconfig:"ENABLED" default:"false"`
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TraceExporter string `envconfig:"TRACE_EXPORTER" default:"stdout"`
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}
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func InitOTEL() error {
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var cfg otelConfig
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if err := envconfig.Process("OTEL", &cfg); err != nil {
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return fmt.Errorf("envconfig.Process: %w", err)
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}
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if !cfg.Enabled {
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return nil
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}
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tp, err := newTracerProvider(cfg.TraceExporter)
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if err != nil {
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return fmt.Errorf("newTracerProvider: %w", err)
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}
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otel.SetTracerProvider(tp)
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otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{}))
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return nil
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}
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func newTracerProvider(exporter string) (*sdktrace.TracerProvider, error) {
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exp, err := newTraceExporter(exporter)
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if err != nil {
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return nil, fmt.Errorf("newTraceExporter: %w", err)
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}
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tp := sdktrace.NewTracerProvider(
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sdktrace.WithBatcher(exp),
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sdktrace.WithSampler(sdktrace.AlwaysSample()),
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sdktrace.WithResource(
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resource.NewWithAttributes(
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semconv.SchemaURL,
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semconv.ServiceNameKey.String("todo-service"),
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semconv.DeploymentEnvironmentKey.String(appmode.Get()),
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),
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),
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)
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return tp, nil
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}
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func newTraceExporter(exporter string) (sdktrace.SpanExporter, error) {
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switch exporter {
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case "stdout":
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return newStdoutTracerProvider()
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case "jaeger":
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return newJaegerTracerProvider()
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default:
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return nil, fmt.Errorf("unsupported exporter: %s", exporter)
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}
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}
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func newJaegerTracerProvider() (*jaeger.Exporter, error) {
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exp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint("")))
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if err != nil {
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return nil, fmt.Errorf("jaeger.New: %w", err)
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}
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return exp, nil
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}
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func newStdoutTracerProvider() (*stdouttrace.Exporter, error) {
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exp, err := stdouttrace.New(stdouttrace.WithPrettyPrint())
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if err != nil {
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return nil, fmt.Errorf("stdouttrace.New: %w", err)
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}
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return exp, nil
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}
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7
go.mod
7
go.mod
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@ -25,6 +25,10 @@ require (
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github.com/uptrace/bun/dialect/pgdialect v1.1.8
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github.com/uptrace/bun/driver/pgdriver v1.1.8
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github.com/urfave/cli/v2 v2.14.1
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go.opentelemetry.io/otel v1.9.0
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go.opentelemetry.io/otel/exporters/jaeger v1.9.0
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go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.9.0
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go.opentelemetry.io/otel/sdk v1.9.0
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go.uber.org/zap v1.23.0
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)
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@ -41,6 +45,8 @@ require (
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github.com/docker/docker v20.10.7+incompatible // indirect
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github.com/docker/go-connections v0.4.0 // indirect
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github.com/docker/go-units v0.4.0 // indirect
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github.com/go-logr/logr v1.2.3 // indirect
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github.com/go-logr/stdr v1.2.2 // indirect
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github.com/go-openapi/jsonpointer v0.19.5 // indirect
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github.com/go-openapi/jsonreference v0.20.0 // indirect
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github.com/go-openapi/spec v0.20.6 // indirect
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@ -73,6 +79,7 @@ require (
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github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
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github.com/xeipuuv/gojsonschema v1.2.0 // indirect
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github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
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go.opentelemetry.io/otel/trace v1.9.0 // indirect
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go.uber.org/atomic v1.9.0 // indirect
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go.uber.org/multierr v1.7.0 // indirect
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golang.org/x/crypto v0.0.0-20220826181053-bd7e27e6170d // indirect
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16
go.sum
16
go.sum
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@ -62,6 +62,11 @@ github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
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github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
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github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
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github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
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github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
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github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
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github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
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github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
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github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
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github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
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github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
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github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
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@ -184,6 +189,7 @@ github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic
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github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.4.0 h1:M2gUjqZET1qApGOWNSnZ49BAIMX4F/1plDv3+l31EJ4=
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github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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@ -229,6 +235,16 @@ github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRT
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github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
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github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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go.opentelemetry.io/otel v1.9.0 h1:8WZNQFIB2a71LnANS9JeyidJKKGOOremcUtb/OtHISw=
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go.opentelemetry.io/otel v1.9.0/go.mod h1:np4EoPGzoPs3O67xUVNoPPcmSvsfOxNlNA4F4AC+0Eo=
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go.opentelemetry.io/otel/exporters/jaeger v1.9.0 h1:gAEgEVGDWwFjcis9jJTOJqZNxDzoZfR12WNIxr7g9Ww=
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go.opentelemetry.io/otel/exporters/jaeger v1.9.0/go.mod h1:hquezOLVAybNW6vanIxkdLXTXvzlj2Vn3wevSP15RYs=
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go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.9.0 h1:0uV0qzHk48i1SF8qRI8odMYiwPOLh9gBhiJFpj8H6JY=
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go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.9.0/go.mod h1:Fl1iS5ZhWgXXXTdJMuBSVsS5nkL5XluHbg97kjOuYU4=
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go.opentelemetry.io/otel/sdk v1.9.0 h1:LNXp1vrr83fNXTHgU8eO89mhzxb/bbWAsHG6fNf3qWo=
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go.opentelemetry.io/otel/sdk v1.9.0/go.mod h1:AEZc8nt5bd2F7BC24J5R0mrjYnpEgYHyTcM/vrSple4=
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go.opentelemetry.io/otel/trace v1.9.0 h1:oZaCNJUjWcg60VXWee8lJKlqhPbXAPB51URuR47pQYc=
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go.opentelemetry.io/otel/trace v1.9.0/go.mod h1:2737Q0MuG8q1uILYm2YYVkAyLtOofiTNGg6VODnOiPo=
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go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
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go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
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go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
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