end
626e1bb5ac
Store file handle per module, swap lifecycle logger before closing file, return teardown errors, remove duplicate Module() func. Co-authored-by: Cursor <cursoragent@cursor.com>
41 lines
1007 B
Markdown
41 lines
1007 B
Markdown
# applog
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Opinionated slog wiring for go-toolkit [app](https://gitea.auvem.com/go-toolkit/app) lifecycles.
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## Install
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```bash
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go get gitea.auvem.com/go-toolkit/applog
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```
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## Usage
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```go
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lifecycle := app.NewLifecycle(applog.AppLogOpts{
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ConsoleOutput: os.Stderr,
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ConsoleLevel: slog.LevelInfo,
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FileOutput: "/var/log/myapp.log",
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FileLevel: slog.LevelInfo,
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}.Module())
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```
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## Outputs
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| Sink | Format | Default level |
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|------|--------|---------------|
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| Console (`ConsoleOutput`) | tint (human-readable) | Info |
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| File (`FileOutput`) | JSON lines | Info |
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## Teardown
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On teardown the log file is closed and the lifecycle logger falls back to console-only (or discard). Logging via `lifecycle.Logger()` after teardown does not write to a closed file.
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## Migration from pre-V1 API
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| Before | After |
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|--------|-------|
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| `applog.Module(opts)` | `opts.Module()` |
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| `LogOutput` | `ConsoleOutput` |
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| `LogFile` | `FileOutput` |
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| `Verbose bool` | `ConsoleLevel: slog.LevelDebug` |
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