Commits on Jun 21, 2023

1. ci: Add workflow for testing multi-pool IPAM …

   This adds a new GitHub Actions workflow (with `pull_request` trigger)
   which tests the new multi-pool IPAM feature added in #22762. The feature
   does have unit test coverage as well, but since it does have
   implications on routing and masquerading (see `Notes:` section in
   workflow), we also want to test the feature end-to-end to ensure it
   interacts correctly with those systems.
   
   The workflow sets up a regular kind cluster and installs Cilium with
   Multi-Pool IPAM enabled in it. It then runs a version of the
   connectivity test that allocates the test pod IPs from non-default
   pools. This tests that routing and masquerading works for non-default
   pools. The workflow then validates that the pod IPs have been allocated
   from the correct pool, to ensure we don't report false positives in case
   the connectivity test annotation did not take effect.
   
   At the moment, this workflow runs on every PR. It is an open question if
   it should run on a comment trigger instead. During testing, it only had
   a run-time of about 15 minutes, 5 minutes of which were spent waiting on
   the images to be ready.
   
   Signed-off-by: Sebastian Wicki <sebastian@isovalent.com>

   

   gandro committed Jun 21, 2023
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