[release-v1.28] Allow query server talk to Prometheus #2428
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Description
This changeset allows Tigera query server talk to Prometheus to retrieve historical summary data. The extra Prometheus client certificate bundle is mounted into the queryserver container. When the request is made from queryserver to Prometheus, it will use the manager service account token to do authorization. Additional RBACs are added to the manager cluster role.
Pick #2329 into release-v1.28 branch.
For PR author
make gen-files
make gen-versions
For PR reviewers
A note for code reviewers - all pull requests must have the following:
kind/bug
if this is a bugfix.kind/enhancement
if this is a a new feature.enterprise
if this PR applies to Calico Enterprise only.