update prometheus dependency for staging

staging/src/k8s.io/apiserver/Godeps/Godeps.json

@@ -520,7 +520,7 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_golang/prometheus",
-			"Rev": "e51041b3fa41cece0dca035740ba6411905be473"
+			"Rev": "e7e903064f5e9eb5da98208bae10b475d4db0f8c"
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_model/go",
@@ -528,15 +528,23 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/expfmt",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
+		},
+		{
+			"ImportPath": "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg",
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/model",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/procfs",
-			"Rev": "454a56f35412459b5e684fd5ec0f9211b94f002a"
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
+		},
+		{
+			"ImportPath": "github.com/prometheus/procfs/xfs",
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
 		},
 		{
 			"ImportPath": "github.com/spf13/pflag",

staging/src/k8s.io/apiserver/pkg/storage/etcd/metrics/metrics.go

@@ -24,25 +24,22 @@ import (
 )
 
 var (
-	cacheHitCounter = prometheus.NewCounter(
-		prometheus.CounterOpts{
+	cacheHitCounterOpts = prometheus.CounterOpts{
 		Name: "etcd_helper_cache_hit_count",
 		Help: "Counter of etcd helper cache hits.",
-		},
-	)
-	cacheMissCounter = prometheus.NewCounter(
-		prometheus.CounterOpts{
+	}
+	cacheHitCounter      = prometheus.NewCounter(cacheHitCounterOpts)
+	cacheMissCounterOpts = prometheus.CounterOpts{
 		Name: "etcd_helper_cache_miss_count",
 		Help: "Counter of etcd helper cache miss.",
-		},
-	)
-	cacheEntryCounter = prometheus.NewCounter(
-		prometheus.CounterOpts{
+	}
+	cacheMissCounter      = prometheus.NewCounter(cacheMissCounterOpts)
+	cacheEntryCounterOpts = prometheus.CounterOpts{
 		Name: "etcd_helper_cache_entry_count",
 		Help: "Counter of etcd helper cache entries. This can be different from etcd_helper_cache_miss_count " +
 			"because two concurrent threads can miss the cache and generate the same entry twice.",
-		},
-	)
+	}
+	cacheEntryCounter = prometheus.NewCounter(cacheEntryCounterOpts)
 	cacheGetLatency   = prometheus.NewSummary(
 		prometheus.SummaryOpts{
 			Name: "etcd_request_cache_get_latencies_summary",
@@ -104,9 +101,9 @@ func ObserveNewEntry() {
 }
 
 func Reset() {
-	cacheHitCounter.Set(0)
-	cacheMissCounter.Set(0)
-	cacheEntryCounter.Set(0)
+	cacheHitCounter = prometheus.NewCounter(cacheHitCounterOpts)
+	cacheMissCounter = prometheus.NewCounter(cacheMissCounterOpts)
+	cacheEntryCounter = prometheus.NewCounter(cacheEntryCounterOpts)
 	// TODO: Reset cacheAddLatency.
 	// TODO: Reset cacheGetLatency.
 	etcdRequestLatenciesSummary.Reset()

staging/src/k8s.io/kube-aggregator/Godeps/Godeps.json

@@ -268,7 +268,7 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_golang/prometheus",
-			"Rev": "e51041b3fa41cece0dca035740ba6411905be473"
+			"Rev": "e7e903064f5e9eb5da98208bae10b475d4db0f8c"
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_model/go",
@@ -276,15 +276,23 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/expfmt",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
+		},
+		{
+			"ImportPath": "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg",
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/model",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/procfs",
-			"Rev": "454a56f35412459b5e684fd5ec0f9211b94f002a"
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
+		},
+		{
+			"ImportPath": "github.com/prometheus/procfs/xfs",
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
 		},
 		{
 			"ImportPath": "github.com/spf13/cobra",

staging/src/k8s.io/kube-apiextensions-server/Godeps/Godeps.json

@@ -260,7 +260,7 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_golang/prometheus",
-			"Rev": "e51041b3fa41cece0dca035740ba6411905be473"
+			"Rev": "e7e903064f5e9eb5da98208bae10b475d4db0f8c"
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_model/go",
@@ -268,15 +268,23 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/expfmt",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
+		},
+		{
+			"ImportPath": "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg",
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/model",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/procfs",
-			"Rev": "454a56f35412459b5e684fd5ec0f9211b94f002a"
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
+		},
+		{
+			"ImportPath": "github.com/prometheus/procfs/xfs",
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
 		},
 		{
 			"ImportPath": "github.com/spf13/cobra",

staging/src/k8s.io/sample-apiserver/Godeps/Godeps.json

@@ -256,7 +256,7 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_golang/prometheus",
-			"Rev": "e51041b3fa41cece0dca035740ba6411905be473"
+			"Rev": "e7e903064f5e9eb5da98208bae10b475d4db0f8c"
 		},
 		{
 			"ImportPath": "github.com/prometheus/client_model/go",
@@ -264,15 +264,23 @@
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/expfmt",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
+		},
+		{
+			"ImportPath": "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg",
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/common/model",
-			"Rev": "ffe929a3f4c4faeaa10f2b9535c2b1be3ad15650"
+			"Rev": "13ba4ddd0caa9c28ca7b7bffe1dfa9ed8d5ef207"
 		},
 		{
 			"ImportPath": "github.com/prometheus/procfs",
-			"Rev": "454a56f35412459b5e684fd5ec0f9211b94f002a"
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
+		},
+		{
+			"ImportPath": "github.com/prometheus/procfs/xfs",
+			"Rev": "65c1f6f8f0fc1e2185eb9863a3bc751496404259"
 		},
 		{
 			"ImportPath": "github.com/spf13/cobra",