Пример #1
0
// Logger returns a Logger that will write entries with the given log ID, such as
// "syslog". A log ID must be less than 512 characters long and can only
// include the following characters: upper and lower case alphanumeric
// characters: [A-Za-z0-9]; and punctuation characters: forward-slash,
// underscore, hyphen, and period.
func (c *Client) Logger(logID string, opts ...LoggerOption) *Logger {
	l := &Logger{
		client:         c,
		logName:        internal.LogPath(c.parent(), logID),
		commonResource: &mrpb.MonitoredResource{Type: "global"},
	}
	// TODO(jba): determine the right context for the bundle handler.
	ctx := context.TODO()
	l.bundler = bundler.NewBundler(&logpb.LogEntry{}, func(entries interface{}) {
		l.writeLogEntries(ctx, entries.([]*logpb.LogEntry))
	})
	l.bundler.DelayThreshold = DefaultDelayThreshold
	l.bundler.BundleCountThreshold = DefaultEntryCountThreshold
	l.bundler.BundleByteThreshold = DefaultEntryByteThreshold
	l.bundler.BufferedByteLimit = DefaultBufferedByteLimit
	for _, opt := range opts {
		opt.set(l)
	}

	l.stdLoggers = map[Severity]*log.Logger{}
	for s := range severityName {
		l.stdLoggers[s] = log.New(severityWriter{l, s}, "", 0)
	}
	c.loggers.Add(1)
	go func() {
		defer c.loggers.Done()
		<-c.donec
		l.bundler.Close()
	}()
	return l
}
Пример #2
0
// NewClient creates a new Google Stackdriver Trace client.
func NewClient(ctx context.Context, projectID string, opts ...option.ClientOption) (*Client, error) {
	o := []option.ClientOption{
		option.WithScopes(cloudPlatformScope),
		option.WithUserAgent(userAgent),
	}
	o = append(o, opts...)
	hc, basePath, err := transport.NewHTTPClient(ctx, o...)
	if err != nil {
		return nil, fmt.Errorf("creating HTTP client for Google Stackdriver Trace API: %v", err)
	}
	apiService, err := api.New(hc)
	if err != nil {
		return nil, fmt.Errorf("creating Google Stackdriver Trace API client: %v", err)
	}
	if basePath != "" {
		// An option set a basepath, so override api.New's default.
		apiService.BasePath = basePath
	}
	c := &Client{
		service:   apiService,
		projectID: projectID,
	}
	bundler := bundler.NewBundler((*api.Trace)(nil), func(bundle interface{}) {
		traces := bundle.([]*api.Trace)
		err := c.upload(traces)
		if err != nil {
			log.Printf("failed to upload %d traces to the Cloud Trace server.", len(traces))
		}
	})
	bundler.DelayThreshold = 2 * time.Second
	bundler.BundleCountThreshold = 100
	// We're not measuring bytes here, we're counting traces and spans as one "byte" each.
	bundler.BundleByteThreshold = 1000
	bundler.BundleByteLimit = 1000
	bundler.BufferedByteLimit = 10000
	c.bundler = bundler
	return c, nil
}