Package healthz contains helpers from supporting liveness and readiness endpoints. (often referred to as healthz and readyz, respectively).

    This package draws heavily from the apiserver's healthz package ( ) but has some changes to bring it in line with controller-runtime's style.

    The main entrypoint is the Handler -- this serves both aggregated health status and individual health check endpoints.



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    type CheckHandler

    type CheckHandler struct {

      CheckHandler is an http.Handler that serves a health check endpoint at the root path, based on its checker.

      func (CheckHandler) ServeHTTP

      func (h CheckHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request)

      type Checker

      type Checker func(req *http.Request) error

        Checker knows how to perform a health check.

        var Ping Checker = func(_ *http.Request) error { return nil }

          Ping returns true automatically when checked

          type Handler

          type Handler struct {
          	Checks map[string]Checker

            Handler is an http.Handler that aggregates the results of the given checkers to the root path, and supports calling individual checkers on subpaths of the name of the checker.

            Adding checks on the fly is *not* threadsafe -- use a wrapper.

            func (*Handler) ServeHTTP

            func (h *Handler) ServeHTTP(resp http.ResponseWriter, req *http.Request)

            Source Files