add monitor and pihole

README.md

@@ -99,6 +99,61 @@ To uninstall
 /usr/local/bin/k3s-uninstall.sh
 ```
 
+To drain a node (for maintenance)
+
+```bash
+export NODE=
+kubectl drain $NODE --ignore-daemonsets --delete-local-data
+```
+
+### Create an NFS pv and pvc
+
+pv.yaml
+
+```yaml
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: {{ .Release.Name }}
+  annotations:
+    "helm.sh/resource-policy": keep
+spec:
+  storageClassName: {{ .Release.Name }}
+  accessModes:
+    - ReadWriteOnce
+  capacity:
+    storage: 100Gi
+  nfs:
+    server: freenas
+    path: "/mnt/enc0/pi/pihole"
+```
+
+pvc.yaml
+
+```yaml
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Release.Name }}
+  annotations:
+    "helm.sh/resource-policy": keep
+spec:
+  storageClassName: {{ .Release.Name }}
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 100Gi
+```
+
+### Disable local-storage
+
+```bash
+'--disable=local-storage' \
+systemctl daemon-reload
+service k3s restart
+```
+
 ### Install Docker
 
 ```bash
@@ -111,18 +166,8 @@ sudo apt-get remove python-configparser
 sudo pip3 -v install docker-compose
 ```
 
-### Add NFS for local-storage
-
-Disable local-path:
-
-```bash
-echo 'freenas:/mnt/enc0/pi /var/lib/rancher/k3s/storage nfs noexec,nosuid,nofail 0 0' >> /etc/fstab
-mkdir -p /var/lib/rancher/k3s/storage
-mount -a
-```
-
 ### Pihole password
 
 ```bash
 echo $(kubectl get secret pihole --output=jsonpath='{.data.WEBPASSWORD}' | base64 --decode)
-```
+```