package instana import ( "io" "github.com/containous/traefik/pkg/log" instana "github.com/instana/go-sensor" "github.com/opentracing/opentracing-go" ) // Name sets the name of this tracer const Name = "instana" // Config provides configuration settings for a instana tracer type Config struct { LocalAgentHost string `description:"Set instana-agent's host that the reporter will used." export:"false"` LocalAgentPort int `description:"Set instana-agent's port that the reporter will used." export:"false"` LogLevel string `description:"Set instana-agent's log level. ('error','warn','info','debug')" export:"false"` } // SetDefaults sets the default values. func (c *Config) SetDefaults() { c.LocalAgentHost = "localhost" c.LocalAgentPort = 42699 c.LogLevel = "info" } // Setup sets up the tracer func (c *Config) Setup(serviceName string) (opentracing.Tracer, io.Closer, error) { // set default logLevel logLevel := instana.Info // check/set logLevel overrides switch c.LogLevel { case "error": logLevel = instana.Error case "warn": logLevel = instana.Warn case "debug": logLevel = instana.Debug } tracer := instana.NewTracerWithOptions(&instana.Options{ Service: serviceName, LogLevel: logLevel, AgentPort: c.LocalAgentPort, AgentHost: c.LocalAgentHost, }) // Without this, child spans are getting the NOOP tracer opentracing.SetGlobalTracer(tracer) log.WithoutContext().Debug("Instana tracer configured") return tracer, nil, nil }