feat: add --timeout flag for node-driver-registrar to avoid race condition

Add configurable timeout for node-driver-registrar gRPC connection
to the CSI driver socket. Default increased from 10s to 60s to
prevent unnecessary container restarts when nfsplugin takes longer
to initialize and create the CSI socket.

Fixes #1065

Author: andyzhangx

charts/latest/csi-driver-nfs-v0.0.0.tgz

@@ -74,6 +74,7 @@ spec:
             - --v=2
             - --csi-address=/csi/csi.sock
             - --kubelet-registration-path=$(DRIVER_REG_SOCK_PATH)
+            - --timeout={{ .Values.nodeDriverRegistrar.timeout }}s
 {{- if .Values.nodeDriverRegistrar.livenessProbe.enabled }}
             - --http-endpoint=localhost:{{ .Values.nodeDriverRegistrar.healthPort }}
 {{- end }}

charts/latest/csi-driver-nfs/templates/csi-nfs-node.yaml

@@ -114,6 +114,7 @@ controller:
         memory: 20Mi
 
 nodeDriverRegistrar:
+  timeout: 60
   healthPort: 19809
   livenessProbe:
     enabled: true

charts/latest/csi-driver-nfs/values.yaml

@@ -55,6 +55,7 @@ spec:
             - --v=2
             - --csi-address=/csi/csi.sock
             - --kubelet-registration-path=$(DRIVER_REG_SOCK_PATH)
+            - --timeout=60s
           env:
             - name: DRIVER_REG_SOCK_PATH
               value: /var/lib/kubelet/plugins/csi-nfsplugin/csi.sock