package instana import ( "io" instana "github.com/instana/go-sensor" "github.com/opentracing/opentracing-go" "github.com/traefik/traefik/v2/pkg/log" ) // Name sets the name of this tracer. const Name = "instana" // Config provides configuration settings for a instana tracer. type Config struct { LocalAgentHost string `description:"Sets the Instana Agent host." json:"localAgentHost,omitempty" toml:"localAgentHost,omitempty" yaml:"localAgentHost,omitempty"` LocalAgentPort int `description:"Sets the Instana Agent port used." json:"localAgentPort,omitempty" toml:"localAgentPort,omitempty" yaml:"localAgentPort,omitempty"` LogLevel string `description:"Sets the log level for the Instana tracer. ('error','warn','info','debug')" json:"logLevel,omitempty" toml:"logLevel,omitempty" yaml:"logLevel,omitempty" export:"true"` } // SetDefaults sets the default values. func (c *Config) SetDefaults() { 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 }