flags

Documentation

Overview

Package flags defines command line flags that are shared by several jaeger components. They are defined in this shared location so that if several components are wired into a single binary (e.g. a local container of complete Jaeger backend) they can all share the flags.

Index

• func AddConfigFileFlag(flagSet *flag.FlagSet)
• func AddFlags(flagSet *flag.FlagSet)
• func AddLoggingFlag(flagSet *flag.FlagSet)
• func ParseJaegerTags(jaegerTags string) map[string]string
• func TryLoadConfigFile(v *viper.Viper) error
• type AdminServer
  • func NewAdminServer(hostPort string) *AdminServer
  • func (s *AdminServer) AddFlags(flagSet *flag.FlagSet)
  • func (s *AdminServer) Close() error
  • func (s *AdminServer) HC() *healthcheck.HealthCheck
  • func (s *AdminServer) Handle(path string, handler http.Handler)
  • func (s *AdminServer) Serve() error
• type Service
  • func NewService(adminPort int) *Service
  • func (s *Service) AddFlags(flagSet *flag.FlagSet)
  • func (s *Service) HC() *healthcheck.HealthCheck
  • func (s *Service) RunAndThen(shutdown func())
  • func (s *Service) Start(v *viper.Viper) error
• type SharedFlags
  • func (flags *SharedFlags) InitFromViper(v *viper.Viper) *SharedFlags
  • func (flags *SharedFlags) NewLogger(conf zap.Config, options ...zap.Option) (*zap.Logger, error)

Functions

func AddConfigFileFlag

func AddConfigFileFlag(flagSet *flag.FlagSet)

AddConfigFileFlag adds flags for ExternalConfFlags

func AddFlags

func AddFlags(flagSet *flag.FlagSet)

AddFlags adds flags for SharedFlags

func AddLoggingFlag

func AddLoggingFlag(flagSet *flag.FlagSet)

AddLoggingFlag adds logging flag for SharedFlags

func ParseJaegerTags

func ParseJaegerTags(jaegerTags string) map[string]string

ParseJaegerTags parses the Jaeger tags string into a map.

func TryLoadConfigFile

func TryLoadConfigFile(v *viper.Viper) error

TryLoadConfigFile initializes viper with config file specified as flag

Types

type AdminServer

type AdminServer struct {
	// contains filtered or unexported fields
}

AdminServer runs an HTTP server with admin endpoints, such as healthcheck at /, /metrics, etc.

func NewAdminServer

func NewAdminServer(hostPort string) *AdminServer

NewAdminServer creates a new admin server.

func (*AdminServer) AddFlags

func (s *AdminServer) AddFlags(flagSet *flag.FlagSet)

AddFlags registers CLI flags.

func (*AdminServer) Close

func (s *AdminServer) Close() error

Close stops the HTTP server

func (*AdminServer) HC

func (s *AdminServer) HC() *healthcheck.HealthCheck

HC returns the reference to HeathCheck.

func (*AdminServer) Handle

func (s *AdminServer) Handle(path string, handler http.Handler)

Handle adds a new handler to the admin server.

func (*AdminServer) Serve

func (s *AdminServer) Serve() error

Serve starts HTTP server.

type Service

type Service struct {
	// AdminPort is the HTTP port number for admin server.
	AdminPort int

	// NoStorage indicates that storage-type CLI flag is not applicable
	NoStorage bool

	// Admin is the admin server that hosts the health check and metrics endpoints.
	Admin *AdminServer

	// Logger is initialized after parsing Viper flags like --log-level.
	Logger *zap.Logger

	// MetricsFactory is the root factory without a namespace.
	MetricsFactory metrics.Factory
	// contains filtered or unexported fields
}

Service represents an abstract Jaeger backend component with some basic shared functionality.

func NewService

func NewService(adminPort int) *Service

NewService creates a new Service.

func (*Service) AddFlags

func (s *Service) AddFlags(flagSet *flag.FlagSet)

AddFlags registers CLI flags.

func (*Service) HC

func (s *Service) HC() *healthcheck.HealthCheck

HC returns the reference to HeathCheck.

func (*Service) RunAndThen

func (s *Service) RunAndThen(shutdown func())

RunAndThen sets the health check to Ready and blocks until SIGTERM is received. If then runs the shutdown function and exits.

func (*Service) Start

func (s *Service) Start(v *viper.Viper) error

Start bootstraps the service and starts the admin server.

type SharedFlags

type SharedFlags struct {
	// Logging holds logging configuration
	Logging logging
}

SharedFlags holds flags configuration

func (*SharedFlags) InitFromViper

func (flags *SharedFlags) InitFromViper(v *viper.Viper) *SharedFlags

InitFromViper initializes SharedFlags with properties from viper

func (*SharedFlags) NewLogger

func (flags *SharedFlags) NewLogger(conf zap.Config, options ...zap.Option) (*zap.Logger, error)

NewLogger returns logger based on configuration in SharedFlags