observability

May 18, 2026

Changes in this version

+ var DefaultNoopLogs interfaces.Logs = &NoopLogs

+ var DefaultNoopMetrics interfaces.Metrics = &NoopMetrics

+ var DefaultNoopTracer interfaces.Tracer = &NoopTracer

+ func NewMetrics(opts ...Option) (interfaces.Metrics, error)

+ func NewTracer(opts ...Option) (interfaces.Tracer, error)

+ type Config struct

+ BatchTimeout time.Duration

+ DeploymentEnvironment string

+ Endpoint string

+ ExportTimeout time.Duration

+ Headers map[string]string

+ Insecure bool

+ LogLevel string

+ Logger logger.Logger

+ MetricsInterval time.Duration

+ Name string

+ Protocol Protocol

+ SamplingRatio float64

+ ServiceVersion string

+ func BuildConfig(opts ...Option) (*Config, error)

+ type Logs struct

+ func NewLogs(opts ...Option) (*Logs, error)

+ func (l *Logs) Provider() *sdklog.LoggerProvider

+ func (l *Logs) Shutdown(ctx context.Context) error

+ type Metrics struct

+ func (m *Metrics) IncrementCounter(ctx context.Context, name string, attrs ...interfaces.Attribute)

+ func (m *Metrics) RecordHistogram(ctx context.Context, name string, value float64, attrs ...interfaces.Attribute)

+ func (m *Metrics) Shutdown(ctx context.Context) error

+ type NoopLogs struct

+ func (n *NoopLogs) Shutdown(ctx context.Context) error

+ type NoopMetrics struct

+ func (n *NoopMetrics) IncrementCounter(ctx context.Context, name string, attrs ...interfaces.Attribute)

+ func (n *NoopMetrics) RecordHistogram(ctx context.Context, name string, value float64, attrs ...interfaces.Attribute)

+ func (n *NoopMetrics) Shutdown(ctx context.Context) error

+ type NoopSpan struct

+ func (n *NoopSpan) End()

+ func (n *NoopSpan) RecordError(err error)

+ func (n *NoopSpan) SetAttribute(key string, value any)

+ type NoopTracer struct

+ func (n *NoopTracer) Shutdown(ctx context.Context) error

+ func (n *NoopTracer) StartSpan(ctx context.Context, name string, attrs ...interfaces.Attribute) (context.Context, interfaces.Span)

+ type Option func(*Config)

+ func WithBatchTimeout(d time.Duration) Option

+ func WithDeploymentEnvironment(env string) Option

+ func WithEndpoint(endpoint string) Option

+ func WithExportTimeout(d time.Duration) Option

+ func WithHeaders(headers map[string]string) Option

+ func WithInsecure(insecure bool) Option

+ func WithLogLevel(level string) Option

+ func WithLogger(l logger.Logger) Option

+ func WithMetricsInterval(d time.Duration) Option

+ func WithName(name string) Option

+ func WithProtocol(p Protocol) Option

+ func WithSamplingRatio(r float64) Option

+ func WithServiceVersion(v string) Option

+ type Protocol = types.OTLPProtocol

+ const ProtocolGRPC

+ const ProtocolHTTP

+ type Tracer struct

+ func (t *Tracer) OTelTracer() trace.Tracer

+ func (t *Tracer) Shutdown(ctx context.Context) error

+ func (t *Tracer) StartSpan(ctx context.Context, name string, attrs ...interfaces.Attribute) (context.Context, interfaces.Span)