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add internal_ip to node_info #1172

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jimmyseto
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What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
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@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Jul 22, 2020
@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Jul 22, 2020

internalIP := ""
for _, address := range n.Status.Addresses {
if address.Type == "InternalIP" {
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as far as I can tell, nothing prevents this array to have multiple InternalIPs

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if i'm interpreting the code correctly, i think if multiple internal IPs are specified, only one will be reported in the node object.

https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/nodestatus/setters.go#L104
https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/nodestatus/setters_test.go#L133

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/assign @brancz

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Thank you for double checking, it appears this should be ok to do.

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jul 23, 2020
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: brancz, jimmyseto

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jul 23, 2020
@k8s-ci-robot k8s-ci-robot merged commit 2e1ff1f into kubernetes:master Jul 23, 2020
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3 participants