pkg/prom/cluster: add config watcher #462
Merged
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PR Description
configWatcher
is an internal component that watches a ConfigStore and applies config as they get changed. It also has a polling mechanism to do a full sync against the state of the config store. This is the other half of the existing functionality ofpkg/prom/ha
and pairs with the work from #461.Which issue(s) this PR fixes
Notes to the Reviewer
Still doing #147 🙃
PR Checklist