update metrics stack components

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

extensions/metrics-cluster-feature/resources/01-namespace.yml

@@ -2,5 +2,3 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: lens-metrics
-  labels:
-    app: lens-metrics

extensions/metrics-cluster-feature/resources/03-statefulset.yml.hb

@@ -47,14 +47,14 @@ spec:
       serviceAccountName: prometheus
       initContainers:
         - name: chown
-          image: docker.io/alpine:3.9
+          image: docker.io/alpine:3.12
           command: ["chown", "-R", "65534:65534", "/var/lib/prometheus"]
           volumeMounts:
             - name: data
               mountPath: /var/lib/prometheus
       containers:
         - name: prometheus
-          image: quay.io/prometheus/prometheus:v2.20.1
+          image: quay.io/prometheus/prometheus:v2.26.0
           args:
             - --web.listen-address=0.0.0.0:9090
             - --config.file=/etc/prometheus/prometheus.yaml

extensions/metrics-cluster-feature/resources/10-node-exporter-ds.yml.hb

@@ -41,7 +41,7 @@ spec:
       hostPID: true
       containers:
       - name: node-exporter
-        image: quay.io/prometheus/node-exporter:v1.0.1
+        image: quay.io/prometheus/node-exporter:v1.1.2
         args:
           - --path.procfs=/host/proc
           - --path.sysfs=/host/sys

extensions/metrics-cluster-feature/resources/14-kube-state-metrics-deployment.yml.hb

@@ -39,7 +39,7 @@ spec:
       serviceAccountName: kube-state-metrics
       containers:
       - name: kube-state-metrics
-        image: quay.io/coreos/kube-state-metrics:v1.9.7
+        image: quay.io/coreos/kube-state-metrics:v1.9.8
         ports:
         - name: metrics
           containerPort: 8080
@@ -52,7 +52,7 @@ spec:
         resources:
           requests:
             cpu: 10m
-            memory: 150Mi
+            memory: 32Mi
           limits:
             cpu: 200m
             memory: 150Mi