Documentation
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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type ClientOption ¶
type ClientOption func(c *ClientOptions)
ClientOption is a function that sets some option on the client.
func Logger ¶
func Logger(logger jaeger.Logger) ClientOption
Logger can be provided to log Reporter errors, as well as to log spans if Reporter.LogSpans is set to true.
func Metrics ¶
func Metrics(factory metrics.Factory) ClientOption
Metrics creates a ClientOption that initializes Metrics in the client, which is used to emit statistics.
type ClientOptions ¶
type ClientOptions struct {
// contains filtered or unexported fields
}
ClientOptions control behavior of the client.
type Configuration ¶
type Configuration struct {
ClientOptions
Disabled bool `yaml:"disabled"`
Sampler *SamplerConfig `yaml:"sampler"`
Reporter *ReporterConfig `yaml:"reporter"`
}
Configuration configures and creates Jaeger Tracer
func (Configuration) InitGlobalTracer ¶
func (c Configuration) InitGlobalTracer( serviceName string, options ...ClientOption, ) (io.Closer, error)
InitGlobalTracer creates a new Jaeger Tracer, and sets is as global OpenTracing Tracer. It returns a closer func that can be used to flush buffers before shutdown.
func (Configuration) New ¶
func (c Configuration) New( serviceName string, options ...ClientOption, ) (opentracing.Tracer, io.Closer, error)
New creates a new Jaeger Tracer, and a closer func that can be used to flush buffers before shutdown.
type ReporterConfig ¶
type ReporterConfig struct {
// QueueSize controls how many spans the reporter can keep in memory before it starts dropping
// new spans. The queue is continuously drained by a background go-routine, as fast as spans
// can be sent out of process.
QueueSize int `yaml:"queueSize"`
// BufferFlushInterval controls how often the buffer is force-flushed, even if it's not full.
// It is generally not useful, as it only matters for very low traffic services.
BufferFlushInterval time.Duration
// LogSpans, when true, enables LoggingReporter that runs in parallel with the main reporter
// and logs all submitted spans. Main Configuration.Logger must be initialized in the code
// for this option to have any effect.
LogSpans bool `yaml:"logSpans"`
// LocalAgentHostPort instructs reporter to send spans to jaeger-agent at this address
LocalAgentHostPort string `yaml:"localAgentHostPort"`
}
ReporterConfig configures the reporter. All fields are optional.
func (*ReporterConfig) NewReporter ¶
func (rc *ReporterConfig) NewReporter( serviceName string, metrics *jaeger.Metrics, logger jaeger.Logger, ) (jaeger.Reporter, error)
NewReporter instantiates a new reporter that submits spans to tcollector
type SamplerConfig ¶
type SamplerConfig struct {
// Type specifies the type of the sampler: const, probabilistic, rateLimiting, or remote
Type string `yaml:"type"`
// Param is a value passed to the sampler.
// Valid values for Param field are:
// - for "const" sampler, 0 or 1 for always false/true respectively
// - for "probabilistic" sampler, a probability between 0 and 1
// - for "rateLimiting" sampler, the number of spans per second
// - for "remote" sampler, param is the same as for "probabilistic"
// and indicates the initial sampling rate before the actual one
// is received from the mothership
Param float64 `yaml:"param"`
// SamplingServerURL is the address of jaeger-agent's HTTP sampling server
SamplingServerURL string `yaml:"samplingServerURL"`
// MaxOperations is the maximum number of operations that the sampler
// will keep track of. If an operation is not tracked, a default probabilistic
// sampler will be used rather than the per operation specific sampler.
MaxOperations int `yaml:"maxOperations"`
// SamplingRefreshInterval controls how often the remotely controlled sampler will poll
// jaeger-agent for the appropriate sampling strategy.
SamplingRefreshInterval time.Duration `yaml:"samplingRefreshInterval"`
}
SamplerConfig allows initializing a non-default sampler. All fields are optional.
func (*SamplerConfig) NewSampler ¶
func (sc *SamplerConfig) NewSampler( serviceName string, metrics *jaeger.Metrics, ) (jaeger.Sampler, error)
NewSampler creates a new sampler based on the configuration
Source Files