Add pod tolerations to the helper-pod

Signed-off-by: Serge Logvinov <serge.logvinov@sinextra.dev>

README.md

@@ -171,12 +171,19 @@ data:
         metadata:
           name: helper-pod
         spec:
+          priorityClassName: system-node-critical
+          tolerations:
+            - key: node.kubernetes.io/disk-pressure
+              operator: Exists
+              effect: NoSchedule
           containers:
           - name: helper-pod
             image: busybox
 
 ```
 
+The helperPod is allowed to run on nodes experiencing disk pressure conditions, despite the potential resource constraints. When it runs on such a node, it can carry out specific cleanup tasks, freeing up space in PVCs, and resolving the disk-pressure issue.
+
 #### `config.json`
 
 ##### Definition

deploy/chart/local-path-provisioner/templates/configmap.yaml

@@ -16,15 +16,20 @@ data:
     {{- end }}
     {{- $config | toPrettyJson | nindent 4 }}
   setup: |-
-    {{ .Values.configmap.setup | nindent 4 }}
+    {{- .Values.configmap.setup | nindent 4 }}
   teardown: |-
-    {{ .Values.configmap.teardown | nindent 4 }}
+    {{- .Values.configmap.teardown | nindent 4 }}
   helperPod.yaml: |-
     apiVersion: v1
     kind: Pod
     metadata:
       name: helper-pod
     spec:
+      priorityClassName: system-node-critical
+      tolerations:
+        - key: node.kubernetes.io/disk-pressure
+          operator: Exists
+          effect: NoSchedule
       containers:
         - name: helper-pod
           {{- if .Values.privateRegistry.registryUrl }}

deploy/example-config.yaml

@@ -35,9 +35,12 @@ data:
     metadata:
       name: helper-pod
     spec:
+      priorityClassName: system-node-critical
+      tolerations:
+        - key: node.kubernetes.io/disk-pressure
+          operator: Exists
+          effect: NoSchedule
       containers:
       - name: helper-pod
         image: busybox
         imagePullPolicy: IfNotPresent
-
-

deploy/local-path-storage.yaml

@@ -148,9 +148,12 @@ data:
     metadata:
       name: helper-pod
     spec:
+      priorityClassName: system-node-critical
+      tolerations:
+        - key: node.kubernetes.io/disk-pressure
+          operator: Exists
+          effect: NoSchedule
       containers:
       - name: helper-pod
         image: busybox
         imagePullPolicy: IfNotPresent
-
-