Fix slo-monitor dependencies

Author: tosi3k

Diff for: slo-monitor/Makefile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 PACKAGE = k8s.io/perf-tests/slo-monitor
-TAG = 0.15.1
+TAG = 0.15.2
 # Image should be pulled from k8s.gcr.io, which will auto-detect
 # region (us, eu, asia, ...) and pull from the closest.
 REPOSITORY?=k8s.gcr.io

Diff for: slo-monitor/go.mod

@@ -1,15 +1,9 @@
 module k8s.io/perf-tests/slo-monitor
 
 require (
-	bitbucket.org/ww/goautoneg v0.0.0-20120707110453-75cd24fc2f2c // indirect
-	github.com/beorn7/perks v0.0.0-20160229213445-3ac7bf7a47d1 // indirect
 	github.com/golang/glog v0.0.0-20141105023935-44145f04b68c
 	github.com/googleapis/gnostic v0.2.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v0.0.0-20150406173934-fc2b8d3a73c4 // indirect
-	github.com/prometheus/client_golang v0.0.0-20151008143247-e51041b3fa41
-	github.com/prometheus/client_model v0.0.0-20150212101744-fa8ad6fec335 // indirect
-	github.com/prometheus/common v0.0.0-20151014055050-ffe929a3f4c4 // indirect
-	github.com/prometheus/procfs v0.0.0-20150928173926-454a56f35412 // indirect
+	github.com/prometheus/client_golang v1.7.1
 	github.com/spf13/pflag v1.0.1
 	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a // indirect
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect

Diff for: slo-monitor/go.sum

@@ -27,7 +27,7 @@ import (
 	"k8s.io/client-go/tools/clientcmd"
 
 	"github.com/golang/glog"
-	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/spf13/pflag"
 )
 
@@ -75,7 +75,7 @@ func main() {
 	glog.Infof("Starting Performance SLO monitor on port %v", listenURL)
 
 	monitors.Register()
-	http.Handle("/metrics", prometheus.Handler())
+	http.Handle("/metrics", promhttp.Handler())
 
 	kubeClient, err := createKubeClient()
 	if err != nil {