Update ai3/go-common

vendor/git.autistici.org/ai3/go-common/serverutil/http.go

@@ -103,16 +103,24 @@ func instrumentHandler(h http.Handler) http.Handler {
 
 // HTTP-related metrics.
 var (
+	// Since we instrument the root HTTP handler, we don't really
+	// have a good way to set the 'handler' label based on the
+	// request URL - but still, we'd like to set the label to
+	// match what the other Prometheus jobs do. So we just set it
+	// to 'all'.
 	totalRequests = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "total_requests",
+			Name: "http_requests_total",
 			Help: "Total number of requests.",
+			ConstLabels: prometheus.Labels{
+				"handler": "all",
+			},
 		},
-		[]string{"code"},
+		[]string{"code", "method"},
 	)
 	inFlightRequests = prometheus.NewGauge(
 		prometheus.GaugeOpts{
-			Name: "inflight_requests",
+			Name: "http_requests_inflight",
 			Help: "Number of in-flight requests.",
 		},
 	)

vendor/vendor.json

@@ -15,10 +15,10 @@
 			"revisionTime": "2017-12-17T20:32:41Z"
 		},
 		{
-			"checksumSHA1": "wY0SM35qAhX3P2IZzDnYa068cPw=",
+			"checksumSHA1": "nlGRxexjZUxnHc/z/+ZqV/Xq51w=",
 			"path": "git.autistici.org/ai3/go-common/serverutil",
-			"revision": "8cedcb1d73128f5566216cb3e39ad1ccea318213",
-			"revisionTime": "2017-12-16T15:39:23Z"
+			"revision": "aa88011352b67032c19b0c14eaa06b3417176753",
+			"revisionTime": "2017-12-19T17:20:40Z"
 		},
 		{
 			"checksumSHA1": "C1BVHHj8iBgBN5EWr3ucsGoEzew=",