web

Documentation

Index

• type AlertStatus
• type Federation
  • func (fed *Federation) ServeHTTP(w http.ResponseWriter, req *http.Request)
• type Handler
  • func New(st local.Storage, qe *promql.Engine, rm *rules.Manager, ...) *Handler
  • func (h *Handler) ListenError() <-chan error
  • func (h *Handler) Quit() <-chan struct{}
  • func (h *Handler) Reload() <-chan struct{}
  • func (h *Handler) Run()
• type Options
• type PrometheusStatus
  • func (s *PrometheusStatus) ApplyConfig(conf *config.Config) bool

Types

type AlertStatus

type AlertStatus struct {
	AlertingRules        []*rules.AlertingRule
	AlertStateToRowClass map[rules.AlertState]string
}

AlertStatus bundles alerting rules and the mapping of alert states to row classes.

type Federation

type Federation struct {
	Storage local.Storage
}

Federation implements a web handler to serve scrape federation requests.

func (*Federation) ServeHTTP

func (fed *Federation) ServeHTTP(w http.ResponseWriter, req *http.Request)

type Handler

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

Handler serves various HTTP endpoints of the Prometheus server

func New

func New(st local.Storage, qe *promql.Engine, rm *rules.Manager, status *PrometheusStatus, o *Options) *Handler

New initializes a new web Handler.

func (*Handler) ListenError

func (h *Handler) ListenError() <-chan error

ListenError returns the receive-only channel that signals errors while starting the web server.

func (*Handler) Quit

func (h *Handler) Quit() <-chan struct{}

Quit returns the receive-only quit channel.

func (*Handler) Reload

func (h *Handler) Reload() <-chan struct{}

Reload returns the receive-only channel that signals configuration reload requests.

func (*Handler) Run

func (h *Handler) Run()

Run serves the HTTP endpoints.

type Options

type Options struct {
	ListenAddress        string
	ExternalURL          *url.URL
	MetricsPath          string
	UseLocalAssets       bool
	UserAssetsPath       string
	ConsoleTemplatesPath string
	ConsoleLibrariesPath string
	EnableQuit           bool
}

Options for the web Handler.

type PrometheusStatus

type PrometheusStatus struct {
	Birth  time.Time
	Flags  map[string]string
	Config string

	// A function that returns the current scrape targets pooled
	// by their job name.
	TargetPools func() map[string][]*retrieval.Target
	// A function that returns all loaded rules.
	Rules func() []rules.Rule
	// contains filtered or unexported fields
}

PrometheusStatus contains various information about the status of the running Prometheus process.

func (*PrometheusStatus) ApplyConfig

func (s *PrometheusStatus) ApplyConfig(conf *config.Config) bool

ApplyConfig updates the status state as the new config requires. Returns true on success.