[release-4.13] OCPBUGS-9965: Use a different internal IP for apiserver connectivity#1501
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Due to the support for IPs in certificates introduced in openshift#1298, the apiserver IP is configured as a secondary address in the lo interface. A VIP is configured by ovnk redirecting 10.43.0.1:443 to 10.43.0.1:6443. 6443 is the port where apiserver listens in the host. 10.43.0.1:443 is used by all pods using client go, as it is computed from the env vars we can find in any pod. If a host network pod or any other tool in the host tries to reach the apiserver by using 10.43.0.1:443 the address is not translated to the endpoint, it tries to contact 10.43.0.1:443 which is not the apiserver but the router. This change computes a new IP endpoint in the next available /32 subnet from the service IP to ensure ovnk does not interfere.
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@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-9965, which is invalid:
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@pacevedom: This pull request references Jira Issue OCPBUGS-9965, which is invalid:
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@pacevedom: This pull request references Jira Issue OCPBUGS-9965, which is valid. The bug has been moved to the POST state. 6 validation(s) were run on this bug
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: dhellmann, openshift-cherrypick-robot The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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@openshift-cherrypick-robot: Jira Issue OCPBUGS-9965: All pull requests linked via external trackers have merged: Jira Issue OCPBUGS-9965 has been moved to the MODIFIED state. DetailsIn response to this:
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This is an automated cherry-pick of #1478
/assign pacevedom