Backport of troubleshoot: fixes and updated messages into release/1.15.x #16303
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Backport
This PR is auto-generated from #16294 to be assessed for backporting due to the inclusion of the label backport/1.15.
WARNING automatic cherry-pick of commits failed. Commits will require human attention.
The below text is copied from the body of the original PR.
This PR makes a couple fixes, and updates all the output to be consistent across what's been discussed in the RFC. Note that this needs to be backported into 1.15.
Previously, it always printed
route ___ found
, even when there isn't a route. Now it only says that if it actually is a case where a route should be found.In the below case, there are no routes and backendbloo does not have any instances. You can see there are no routes found in the below case (which is correct behavior) and the actions are displayed.
This also capitalizes the output, and makes the error messages more consistent and adds possible actions to most error cases.
Error case (deleted deployment for a peered upstream):
Success case (healthy upstream):
Output for
upstreams command
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