Commits on Oct 9, 2024

1. More robust system Tier creation / update (antrea-io#6696) …

   System Tier initialization should ideally wait for the Tier informer's
   cache to sync before using the lister.  Otherwise we may think that the
   system Tiers have not been created yet when in fact it is just the
   informer that has not completed the initial List operation.
   
   Additionally, we improve the logic in system Tier initialization:
   * After every failed API call, we should probably check the state of the
     informer cache again (via the lister) and decide which step is needed
     next (creation / update / nothing). In case of a failed create or
     update, this gives us the opportunity to check again if the Tier
     actually exists, and if yes, what its priority is.
   * AlreadyExists is no longer treated differently for create. The reason
     is that if the Tier already exists and for some reason it was not
     returned by the Lister, it will probably be the validation webhook
     that fails (overlapping priority), and the error won't match
     AlreadyExists.
   
   Related to antrea-io#6694
   
   Signed-off-by: Antonin Bas <[email protected]>

   

   antoninbas committed Oct 9, 2024
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