pipelines

type PipelineConfig struct {
	Endpoint        string
	Insecure        bool
	Headers         map[string]string
	Resource        *resource.Resource
	ReportingPeriod string
	Propagators     []string

	// MetricsBuiltinsEnabled indicates whether to automatically start
	// standard host and runtime metrics.
	MetricsBuiltinsEnabled bool

	// MetricsBuiltinLibraries contains strings identifying which
	// builtin metrics libraries should be started.  The entry is
	// a single hosrt name (e.g., "host", "cpu", "runtime")
	// followed by an optional major version number (e.g.,
	// "host:v0", "cpu:v0", "runtime:v0").  Short names are mapped
	// to long names internally.
	//
	// Recognized names, presently:
	//
	//  runtime: v0 is go-contrib/instrumentation/runtime
	//           v1 is lightstep/instrumentation/runtime
	//  host:    v0 is go-contrib/instrumentation/host
	//           v1 is lightstep/instrumentation/host
	//  cputime: v1 is lightstep/instrumentation/cputime
	MetricsBuiltinLibraries []string

	// TemporalityPreference is one of "cumulative", "delta", or "lowmemory" (a.k.a. "stateless")
	TemporalityPreference string

	// TLSSetting is the newer form.
	TLSSetting *configtls.ClientConfig

	// The Lightstep SDK is always used, the OTel-Go SDK is no longer
	// an option supported by this library.
	DeprecatedUseLightstepMetricsSDK bool
	// Credentials carries the TLS settings used by OTel-Go SDKs.
	// This is not used.
	DeprecatedCredentials credentials.TransportCredentials
}

type PipelineSetupFunc func(PipelineConfig) (func() error, error)