Merge branch '833-pod-cpu-usage-graph-gone' into 'master'

Resolve "Pod CPU usage graph gone"

Closes #833

See merge request openappstack/openappstack!508

ansible/group_vars/all/oas.yml

@@ -13,7 +13,7 @@ flux:
 
 k3s:
   # https://github.com/k3s-io/k3s/releases
-  version: 'v1.21.2+k3s1'
+  version: 'v1.21.5+k3s2'
   # args to start the k3s server with
   # https://rancher.com/docs/k3s/latest/en/installation/install-options/server-config/
   # kubelet arguments can be passed with `--kubelet-arg`

flux2/apps/monitoring/kube-prometheus-stack-values-configmap.yaml

@@ -96,6 +96,8 @@ data:
     prometheus:
       # https://github.com/prometheus-community/helm-charts/tree/main/charts/prometheus
       prometheusSpec:
+        logLevel: debug
+        queryLogFile: /dev/stdout
         scrapeInterval: "3m"
         evaluationInterval: "3m"
         retention: "30d"