PLT-4357 adding performance monitoring (#4622)

* WIP

* WIP

* Adding metrics collection

* updating vendor packages

* Adding metrics to config

* Adding admin console page for perf monitoring

* Updating glide

* switching to tylerb/graceful

1 files changed, 17 insertions, 0 deletions

diff --git a/vendor/github.com/tylerb/graceful/signal.go b/vendor/github.com/tylerb/graceful/signal.go
new file mode 100644
index 000000000..9550978fe
--- /dev/null
+++ b/vendor/github.com/tylerb/graceful/signal.go
@@ -0,0 +1,17 @@
+//+build !appengine
+
+package graceful
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func signalNotify(interrupt chan<- os.Signal) {
+	signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
+}
+
+func sendSignalInt(interrupt chan<- os.Signal) {
+	interrupt <- syscall.SIGINT
+}