csi-isilon custom X_NODE_IP

isilon-ds.yaml

spec:
  template:
    spec:
      initContainers:
      - name: config
        image: "ruby:2.7"
        command: ['sh', '-c', 'erb /tmpl/entrypoint.sh.erb > /custom/entrypoint.sh && chmod +x /custom/entrypoint.sh']
        volumeMounts:
          - name: cfgtmpl
            mountPath: /tmpl
          - name: configdir
            mountPath: /custom
      containers:
        - name: driver
          command: ["/custom/entrypoint.sh"]
          volumeMounts:
          - mountPath: /custom
            name: configdir
      volumes:
      - name: cfgtmpl
        configMap:
          name: nodeip-cfg
      - name: configdir
        emptyDir: {}

nodeip-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nodeip-cfg
  namespace: isilon
data:
  entrypoint.sh.erb: |
    #!/bin/sh
    export X_NODE_IP=<%= %x@ip -4 addr show dev ens33 | grep inet@[/inet\s+(\d+(\.\d+){3})/,1] %>
    exec "/csi-isilon"