logging

func Default ¶

func Default() *zap.SugaredLogger

Default creates a default logger. To overwrite log level and mode, set LOG_LEVEL and LOG_MODE.

func FromContext ¶

func FromContext(ctx context.Context) *zap.SugaredLogger

FromContext returns the logger stored in the context. If no such logger exists, a default logger is returned.

func GRPCStreamingInterceptor ¶ added in v0.1.2

func GRPCStreamingInterceptor(inLogger *zap.SugaredLogger, projectID string) grpc.StreamClientInterceptor

GRPCStreamingInterceptor returns client-side a gRPC streaming interceptor that populates a logger with trace data in the context.

func GRPCUnaryInterceptor ¶ added in v0.1.2

func GRPCUnaryInterceptor(inLogger *zap.SugaredLogger, projectID string) grpc.UnaryServerInterceptor

GRPCUnaryInterceptor returns a client-side gRPC unary interceptor that populates a logger with trace data in the context.

func HTTPInterceptor ¶ added in v0.1.2

func HTTPInterceptor(inLogger *zap.SugaredLogger, projectID string) func(http.Handler) http.Handler

HTTPInterceptor returns an HTTP middleware that populates a logger with trace data onto the incoming and outgoing http.Request context.

func NewFromEnv ¶

func NewFromEnv(envPrefix string) *zap.SugaredLogger

NewFromEnv creates a new logger from env vars. Set envPrefix+"LOG_LEVEL" to overwrite log level. Default log level is warning. Set envPrefix+"LOG_MODE" to overwrite log mode. Default log mode is production.

func TestLogger ¶

func TestLogger(tb zaptest.TestingT, opts ...zaptest.LoggerOption) *zap.SugaredLogger

TestLogger returns a logger configured for tests. It will only output log information if specific test fails or is run in verbose mode. See zaptest for more information.

func TestMyThing(t *testing.T) {
	logger := logging.TestLogger(t)
	thing := &MyThing{logger: logger}
}

func WithLogger ¶

func WithLogger(ctx context.Context, logger *zap.SugaredLogger) context.Context

WithLogger creates a new context with the provided logger attached.