trace

Documentation

Index

• func Configure(serviceName string, options *Options) (io.Closer, error)
• type Options
  • func DefaultOptions() *Options
  • func (o *Options) TracingEnabled() bool
  • func (o *Options) Validate() error

Functions

func Configure

func Configure(serviceName string, options *Options) (io.Closer, error)

Configure initializes Istio's tracing subsystem.// // You typically call this once at process startup.// Once this call returns, the tracing system is ready to accept data.

Types

type Options

type Options struct {
	//  URL of zipkin collector (example: 'http://zipkin:9411/api/v1/spans').
	ZipkinURL string

	//  URL of jaeger HTTP collector (example: 'http://jaeger:14268/api/traces?format=jaeger.thrift').
	JaegerURL string

	//  Whether or not to emit trace spans as log records.
	LogTraceSpans bool

	//  SamplingRate controls the rate at which a process will decide to generate trace spans.
	SamplingRate float64
}

Options defines the set of options supported by Istio's component tracing package.

func DefaultOptions

func DefaultOptions() *Options

DefaultOptions returns a new set of options, initialized to the defaults

func (*Options) TracingEnabled

func (o *Options) TracingEnabled() bool

TracingEnabled returns whether the given options enable tracing to take place.

func (*Options) Validate

func (o *Options) Validate() error

Validate returns whether the options have been configured correctly or an error