Support node.kubeletPath helm chart value

[neoaggelos]

Is this a bug fix or adding new feature?

Bug fix

What is this PR about? / Why do we need it?

Support aws-efs-csi-driver in environments where kubelet root dir is not /var/lib/kubelet.

It closely mimics aws-ebs-csi-driver:

• https://github.com/kubernetes-sigs/aws-ebs-csi-driver/blob/master/charts/aws-ebs-csi-driver/templates/_node.tpl#L219-L230
• https://github.com/kubernetes-sigs/aws-ebs-csi-driver/blob/master/charts/aws-ebs-csi-driver/values.yaml#L340

The default value remains /var/lib/kubelet, so backwards-compatibility would not be an issue.

What testing is done?

Manual testing

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[k8s-ci-robot]

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[torredil]

Please also update the following fields:

aws-efs-csi-driver/charts/aws-efs-csi-driver/templates/node-daemonset.yaml

Line 99 in 694e53e

mountPath: /var/lib/kubelet

aws-efs-csi-driver/charts/aws-efs-csi-driver/templates/node-daemonset.yaml

Line 138 in 694e53e

value: /var/lib/kubelet/plugins/efs.csi.aws.com/csi.sock

[torredil]

/ok-to-test

[mskanth972]

Hi @neoaggelos, can you make the changes @torredil mentioned. Rest looks good to me, let us know when those changes are made, I can help in merge.

[neoaggelos]

Thank you @mskanth972 @torredil, should be OK now

[mskanth972]

/ok-to-test

[mskanth972]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mskanth972, neoaggelos

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