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Expose expvar endpoint during debugging.

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Fixes #3017
This commit is contained in:
Paul Nasrat 2013-12-03 13:04:18 -05:00
parent 3ed0ff85f5
commit 6a55169e2e
1 changed files with 17 additions and 0 deletions
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17
api.go
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@ -6,6 +6,7 @@ import (
"code.google.com/p/go.net/websocket"
"encoding/base64"
"encoding/json"
"expvar"
"fmt"
"github.com/dotcloud/docker/archive"
"github.com/dotcloud/docker/auth"
@ -1063,7 +1064,23 @@ func makeHttpHandler(srv *Server, logging bool, localMethod string, localRoute s
}
}
// Replicated from expvar.go as not public.
func expvarHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
fmt.Fprintf(w, "{\n")
first := true
expvar.Do(func(kv expvar.KeyValue) {
if !first {
fmt.Fprintf(w, ",\n")
}
first = false
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
})
fmt.Fprintf(w, "\n}\n")
}
func AttachProfiler(router *mux.Router) {
router.HandleFunc("/debug/vars", expvarHandler)
router.HandleFunc("/debug/pprof/", pprof.Index)
router.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
router.HandleFunc("/debug/pprof/profile", pprof.Profile)