use prometheus addon

Author: kazukousen

kustomize/istio/kustomization.yaml

@@ -1,6 +1,5 @@
 namespace: istio-system
 bases:
   - ../base/flagger/
-  - ../base/prometheus/
 patchesStrategicMerge:
   - patch.yaml

kustomize/istio/patch.yaml

@@ -10,7 +10,7 @@ spec:
           args:
             - -log-level=info
             - -mesh-provider=istio
-            - -metrics-server=http://flagger-prometheus:9090
+            - -metrics-server=http://prometheus:9090
             - -slack-user=flagger
             - -slack-channel=
             - -slack-url=

test/e2e-istio.sh

@@ -14,6 +14,9 @@ ${REPO_ROOT}/bin/istio-${ISTIO_VER}/bin/istioctl manifest install --set profile=
   --set values.pilot.resources.requests.cpu=100m \
   --set values.pilot.resources.requests.memory=100Mi
 
+kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.7/samples/addons/prometheus.yaml
+kubectl -n istio-system rollout status deployment/prometheus
+
 kubectl -n istio-system get all
 
 echo '>>> Load Flagger image in Kind'