32 lines
927 B
Go
32 lines
927 B
Go
package logging
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import (
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"io"
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"log/slog"
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"os"
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"path/filepath"
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)
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// New creates the process logger. Callers provide the sink so tests and the
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// command entry point do not need to share global logging state.
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func New(w io.Writer) *slog.Logger {
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if w == nil {
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w = io.Discard
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}
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return slog.New(slog.NewJSONHandler(w, &slog.HandlerOptions{Level: slog.LevelInfo}))
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}
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// OpenFile creates an append-only local diagnostic log in the configured
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// directory. It never falls back to cwd, so a bad configured directory stays
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// visible to the caller instead of scattering logs beside a shortcut.
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func OpenFile(directory string) (*slog.Logger, io.Closer, error) {
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if err := os.MkdirAll(directory, 0o700); err != nil {
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return nil, nil, err
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}
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file, err := os.OpenFile(filepath.Join(directory, "chub.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o600)
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if err != nil {
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return nil, nil, err
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}
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return New(file), file, nil
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}
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