wehub-resource-sync
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
package observability
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import (
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"context"
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"errors"
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"log/slog"
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"github.com/github/github-mcp-server/pkg/observability/metrics"
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)
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// Exporters bundles observability primitives (logger + metrics) for dependency injection.
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// The logger is Go's stdlib *slog.Logger — integrators provide their own slog.Handler.
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type Exporters interface {
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Logger() *slog.Logger
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Metrics(context.Context) metrics.Metrics
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}
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type exporters struct {
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logger *slog.Logger
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metrics metrics.Metrics
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}
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// NewExporters creates an Exporters bundle. Pass a configured *slog.Logger
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// (with whatever slog.Handler you need) and a Metrics implementation.
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// Neither may be nil; use slog.New(slog.DiscardHandler) and metrics.NewNoopMetrics()
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// if logging or metrics are unwanted.
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func NewExporters(logger *slog.Logger, m metrics.Metrics) (Exporters, error) {
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if logger == nil {
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return nil, errors.New("logger must not be nil: use slog.New(slog.DiscardHandler) to discard logs")
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}
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if m == nil {
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return nil, errors.New("metrics must not be nil: use metrics.NewNoopMetrics() to discard metrics")
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}
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return &exporters{
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logger: logger,
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metrics: m,
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}, nil
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}
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func (e *exporters) Logger() *slog.Logger {
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return e.logger
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}
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func (e *exporters) Metrics(_ context.Context) metrics.Metrics {
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return e.metrics
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}
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