Merge pull request #52445 from Cynerva/gkk/cdk-service-kicker

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..

Fix kubernetes charms not restarting services properly after host reboot on LXD

**What this PR does / why we need it**:

This fixes an issue when running the Kubernetes charms on LXD where the services don't restart properly after a reboot of the host machine.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: https://github.com/juju-solutions/bundle-canonical-kubernetes/issues/357

**Special notes for your reviewer**:

See https://github.com/juju-solutions/layer-cdk-service-kicker

**Release note**:

```release-note
Fix kubernetes charms not restarting services properly after host reboot on LXD
```

cluster/juju/layers/kubernetes-master/layer.yaml

@@ -7,6 +7,7 @@ includes:
   - 'layer:debug'
   - 'layer:metrics'
   - 'layer:nagios'
+  - 'layer:cdk-service-kicker'
   - 'interface:ceph-admin'
   - 'interface:etcd'
   - 'interface:http'
@@ -24,3 +25,8 @@ options:
     server_key_path: '/root/cdk/server.key'
     client_certificate_path: '/root/cdk/client.crt'
     client_key_path: '/root/cdk/client.key'
+  cdk-service-kicker:
+    services:
+      - snap.kube-apiserver.daemon
+      - snap.kube-controller-manager.daemon
+      - snap.kube-scheduler.daemon

cluster/juju/layers/kubernetes-worker/layer.yaml

@@ -8,6 +8,7 @@ includes:
   - 'layer:nagios'
   - 'layer:tls-client'
   - 'layer:nvidia-cuda'
+  - 'layer:cdk-service-kicker'
   - 'interface:http'
   - 'interface:kubernetes-cni'
   - 'interface:kube-dns'
@@ -29,3 +30,7 @@ options:
     server_key_path: '/root/cdk/server.key'
     client_certificate_path: '/root/cdk/client.crt'
     client_key_path: '/root/cdk/client.key'
+  cdk-service-kicker:
+    services:
+      - 'snap.kubelet.daemon'
+      - 'snap.kube-proxy.daemon'