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| Original file line number | Diff line number | Diff line change |
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| name: "log-ci" | ||
|
|
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| on: | ||
| push: | ||
| branches: | ||
| - "feat**" | ||
| - "fix**" | ||
| - "hotfix**" | ||
| - "chore**" | ||
| paths: | ||
| - "log/**.go" | ||
| - "log/go.mod" | ||
| - "log/go.sum" | ||
| pull_request: | ||
| types: | ||
| - opened | ||
| - synchronize | ||
| - reopened | ||
| branches: | ||
| - main | ||
| paths: | ||
| - "log/**.go" | ||
| - "log/go.mod" | ||
| - "log/go.sum" | ||
|
|
||
| jobs: | ||
| ci: | ||
| uses: ./.github/workflows/common-ci.yml | ||
| secrets: inherit | ||
| with: | ||
| module: "log" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| run: | ||
| timeout: 5m | ||
| concurrency: 8 | ||
|
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| linters: | ||
| enable: | ||
| - asasalint | ||
| - asciicheck | ||
| - bidichk | ||
| - bodyclose | ||
| - containedctx | ||
| - contextcheck | ||
| - cyclop | ||
| - decorder | ||
| - dogsled | ||
| - durationcheck | ||
| - errcheck | ||
| - errchkjson | ||
| - errname | ||
| - errorlint | ||
| - exhaustive | ||
| - forbidigo | ||
| - forcetypeassert | ||
| - gocognit | ||
| - goconst | ||
| - gocritic | ||
| - gocyclo | ||
| - godot | ||
| - godox | ||
| - gofmt | ||
| - goheader | ||
| - gomoddirectives | ||
| - gomodguard | ||
| - goprintffuncname | ||
| - gosec | ||
| - gosimple | ||
| - govet | ||
| - grouper | ||
| - importas | ||
| - ineffassign | ||
| - interfacebloat | ||
| - logrlint | ||
| - maintidx | ||
| - makezero | ||
| - misspell | ||
| - nestif | ||
| - nilerr | ||
| - nilnil | ||
| - nlreturn | ||
| - nolintlint | ||
| - nosprintfhostport | ||
| - prealloc | ||
| - predeclared | ||
| - promlinter | ||
| - reassign | ||
| - staticcheck | ||
| - tenv | ||
| - thelper | ||
| - tparallel | ||
| - typecheck | ||
| - unconvert | ||
| - unparam | ||
| - unused | ||
| - usestdlibvars | ||
| - whitespace |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| # Log Module | ||
|
|
||
| [](https://github.com/ankorstore/yokai/actions/workflows/log-ci.yml) | ||
| [](https://goreportcard.com/report/github.com/ankorstore/yokai/log) | ||
| [](https://app.codecov.io/gh/ankorstore/yokai/tree/main/log) | ||
| [](https://pkg.go.dev/github.com/ankorstore/yokai/log) | ||
|
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| > Logging module based on [Zerolog](https://github.com/rs/zerolog). | ||
| <!-- TOC --> | ||
| * [Installation](#installation) | ||
| * [Documentation](#documentation) | ||
| * [Usage](#usage) | ||
| * [Context](#context) | ||
| * [Testing](#testing) | ||
| <!-- TOC --> | ||
|
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| ## Installation | ||
|
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| ```shell | ||
| go get github.com/ankorstore/yokai/log | ||
| ``` | ||
|
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| ## Documentation | ||
|
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| This module provides a [Logger](logger.go), offering all [Zerolog](https://github.com/rs/zerolog) methods. | ||
|
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| ### Usage | ||
|
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| To create a `Logger`: | ||
|
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| ```go | ||
| package main | ||
|
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| import ( | ||
| "os" | ||
|
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| "github.com/ankorstore/yokai/log" | ||
| "github.com/rs/zerolog" | ||
| ) | ||
|
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| var logger, _ = log.NewDefaultLoggerFactory().Create() | ||
|
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| // equivalent to: | ||
| var logger, _ = log.NewDefaultLoggerFactory().Create( | ||
| log.WithServiceName("default"), // adds {"service":"default"} to log records | ||
| log.WithLevel(zerolog.InfoLevel), // logs records with level >= info | ||
| log.WithOutputWriter(os.Stdout), // sends logs records to stdout | ||
| ) | ||
| ``` | ||
|
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| To use the `Logger`: | ||
|
|
||
| ```go | ||
| package main | ||
|
|
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| import ( | ||
| "github.com/ankorstore/yokai/log" | ||
| ) | ||
|
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| func main() { | ||
| logger, _ := log.NewDefaultLoggerFactory().Create() | ||
|
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| logger.Info().Msg("some message") // {"level:"info", "service":"default", "message":"some message"} | ||
| } | ||
| ``` | ||
|
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| See [Zerolog](https://github.com/rs/zerolog) documentation for more details about available methods. | ||
|
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| ### Context | ||
|
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| This module provides the `log.CtxLogger()` function that allow to extract the logger from a `context.Context`. | ||
|
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| If no logger is found in context, a [default](https://github.com/rs/zerolog/blob/master/ctx.go) Zerolog based logger will be used. | ||
|
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| ### Testing | ||
|
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| This module provides a [TestLogBuffer](logtest/buffer.go), recording log records to be able to assert on them after logging: | ||
|
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| ```go | ||
| package main | ||
|
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| import ( | ||
| "fmt" | ||
|
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| "github.com/ankorstore/yokai/log" | ||
| "github.com/ankorstore/yokai/log/logtest" | ||
| ) | ||
|
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| func main() { | ||
| buffer := logtest.NewDefaultTestLogBuffer() | ||
|
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| logger, _ := log.NewDefaultLoggerFactory().Create(log.WithOutputWriter(buffer)) | ||
|
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| logger.Info().Msg("some message example") | ||
|
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| // test on attributes exact matching | ||
| hasRecord, _ := buffer.HasRecord(map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "some message example", | ||
| }) | ||
|
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| fmt.Printf("has record: %v", hasRecord) // has record: true | ||
|
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| // test on attributes partial matching | ||
| containRecord, _ := buffer.ContainRecord(map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "message", | ||
| }) | ||
|
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| fmt.Printf("contain record: %v", containRecord) // contain record: true | ||
| } | ||
| ``` | ||
|
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| You can also use the provided [test assertion helpers](logtest/assert.go) in your tests: | ||
| - `AssertHasLogRecord`: to assert on exact attributes match | ||
| - `AssertHasNotLogRecord`: to assert on exact attributes non match | ||
| - `AssertContainLogRecord`: to assert on partial attributes match | ||
| - `AssertContainNotLogRecord`: to assert on partial attributes non match | ||
|
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| ```go | ||
| package main_test | ||
|
|
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| import ( | ||
| "fmt" | ||
| "testing" | ||
|
|
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| "github.com/ankorstore/yokai/log" | ||
| "github.com/ankorstore/yokai/log/logtest" | ||
| ) | ||
|
|
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| func TestLogger(t *testing.T) { | ||
| buffer := logtest.NewDefaultTestLogBuffer() | ||
|
|
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| logger, _ := log.NewDefaultLoggerFactory().Create(log.WithOutputWriter(buffer)) | ||
|
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| logger.Info().Msg("some message example") | ||
|
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| // assertion success | ||
| logtest.AssertHasLogRecord(t, buffer, map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "some message example", | ||
| }) | ||
|
|
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| // assertion success | ||
| logtest.AssertHasNotLogRecord(t, buffer, map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "some invalid example", | ||
| }) | ||
|
|
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| // assertion success | ||
| logtest.AssertContainLogRecord(t, buffer, map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "message", | ||
| }) | ||
|
|
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| // assertion success | ||
| logtest.AssertContainNotLogRecord(t, buffer, map[string]interface{}{ | ||
| "level": "info", | ||
| "message": "invalid", | ||
| }) | ||
| } | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package log | ||
|
|
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| import ( | ||
| "context" | ||
|
|
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| "github.com/rs/zerolog" | ||
| "go.opentelemetry.io/otel/trace" | ||
| ) | ||
|
|
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| // CtxLogger retrieves a [Logger] from a provided context (or creates and appends a new one if missing). | ||
| // | ||
| // It automatically adds the traceID and spanID log fields depending on current tracing context. | ||
| func CtxLogger(ctx context.Context) *Logger { | ||
| fields := make(map[string]interface{}) | ||
|
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| spanContext := trace.SpanContextFromContext(ctx) | ||
| if spanContext.HasTraceID() { | ||
| fields["traceID"] = spanContext.TraceID().String() | ||
| } | ||
| if spanContext.HasSpanID() { | ||
| fields["spanID"] = spanContext.SpanID().String() | ||
| } | ||
|
|
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| if len(fields) > 0 { | ||
| logger := zerolog.Ctx(ctx).With().Fields(fields).Logger() | ||
|
|
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| return &Logger{&logger} | ||
| } | ||
|
|
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| return &Logger{zerolog.Ctx(ctx)} | ||
| } |
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