4e276d49b9
Automatic merge from submit-queue (batch tested with PRs 47435, 46044) IPv6 support for getting node IP As part of ChooseHostInterface(), it will call a function to try to get the global IP for the host, by looking at all the system interfaces and select the first IP that is not a loopback, link-local, or point-to-point IP. This commit does the following: - Allows IPv6 non-local IPs to be selected. - IPv4 takes priority (checks all interfaces for IPv4 addresses and then checks all interfaces for IPv6), for backward compatibility. - Adds UTs for code coverage (was no coverage of underlying function), increasing from 62% to 85%. - Improved logging and reporting for error conditions. - Minor renaming of functions and variables for readability. **What this PR does / why we need it**: This will be part of several PRs to add IPv6 support in apimachinery area for use by Kubernetes. It partially fixes the issue. **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: xref #44848 **Special notes for your reviewer**: The intent is to break up the PR 45116 into multiple PRs to take on this change a piece at a time. **Release note**: ```release-noteNONE ```
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