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moby--moby/api/server/router/debug/debug.go
Brian Goff 408c7ade70 Enable pprof/debug endpoints by default
Makes sure that debug endpoints are always available, which will aid in
debugging demon issues.

Wraps debug endpoints in the middleware chain so the can be blocked by
authz.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2017-07-17 15:01:30 -04:00

53 lines
1.5 KiB
Go

package debug
import (
"expvar"
"net/http"
"net/http/pprof"
"github.com/docker/docker/api/server/httputils"
"github.com/docker/docker/api/server/router"
"golang.org/x/net/context"
)
// NewRouter creates a new debug router
// The debug router holds endpoints for debug the daemon, such as those for pprof.
func NewRouter() router.Router {
r := &debugRouter{}
r.initRoutes()
return r
}
type debugRouter struct {
routes []router.Route
}
func (r *debugRouter) initRoutes() {
r.routes = []router.Route{
router.NewGetRoute("/vars", frameworkAdaptHandler(expvar.Handler())),
router.NewGetRoute("/pprof/", frameworkAdaptHandlerFunc(pprof.Index)),
router.NewGetRoute("/pprof/cmdline", frameworkAdaptHandlerFunc(pprof.Cmdline)),
router.NewGetRoute("/pprof/profile", frameworkAdaptHandlerFunc(pprof.Profile)),
router.NewGetRoute("/pprof/symbol", frameworkAdaptHandlerFunc(pprof.Symbol)),
router.NewGetRoute("/pprof/trace", frameworkAdaptHandlerFunc(pprof.Trace)),
router.NewGetRoute("/pprof/{name}", handlePprof),
}
}
func (r *debugRouter) Routes() []router.Route {
return r.routes
}
func frameworkAdaptHandler(handler http.Handler) httputils.APIFunc {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
handler.ServeHTTP(w, r)
return nil
}
}
func frameworkAdaptHandlerFunc(handler http.HandlerFunc) httputils.APIFunc {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
handler(w, r)
return nil
}
}