[route_controller] Emit event when failed to create route #49821
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: MrHohn, gmarek, wojtek-t Associated issue requirement bypassed by: gmarek The full list of commands accepted by this bot can be found here.
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Automatic merge from submit-queue (batch tested with PRs 46519, 49794, 49720, 49692, 49821) |
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/release-note |
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What this PR does / why we need it:
When route controller failed to create route for nodes, pod's networking is likely broken. We surface this situation through node condition (https://github.com/kubernetes/kubernetes/blob/v1.7.2/pkg/controller/route/routecontroller.go#L197-L231), but this might not be easily tracked when user have a large cluster with many nodes. Surface the error through event might make things more obvious.
Which issue this PR fixes (optional, in
fixes #<issue number>(, fixes #<issue_number>, ...)format, will close that issue when PR gets merged): fixes #Special notes for your reviewer:
cc @bowei
Release note: