fix n to nodeInfo easy to understand

[lixiaobing1]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
Var "n" is not easy to understand, so modify it to "nodeInfo".

Which issue(s) this PR fixes:
No

Special notes for your reviewer:
No

Does this PR introduce a user-facing change?:
No

   NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:
No

[damemi]

Looks like you changed the permissions on this file too, did you intend that? 100644 → 100755

[damemi]

Also, since this isn't user facing it doesn't need a release note :)
/release-note none

[lixiaobing1]

Looks like you changed the permissions on this file too, did you intend that? 100644 → 100755

@damemi, yeah, has been recovered to 644.

[damemi]

/lgtm
@lixiaobing1 could you also change the release note to NONE?

[ahg-g]

/priority long-term
/triage accepted
/release-note-none

[k8s-ci-robot]

@ahg-g: you can only set the release note label to release-note-none if the release-note block in the PR body text is empty or "none".

In response to this:

/priority long-term
/triage accepted
/release-note-none

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-ci-robot]

@ahg-g: The label(s) priority/long-term cannot be applied, because the repository doesn't have them

In response to this:

/priority long-term
/triage accepted
/release-note-none

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-ci-robot]

@lixiaobing1: you can only set the release note label to release-note-none if the release-note block in the PR body text is empty or "none".

In response to this:

/release-note-none

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[lixiaobing1]

/lgtm
@lixiaobing1 could you also change the release note to NONE?

@damemi, ok has been set NONE :)

[ahg-g]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahg-g, lixiaobing1, qiutongs

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