Commits on Jun 22, 2023

1. update affinity assistant creation implementation …

   Before this commit, the affinity assistant was created in the beginning of
   the pipleineRun. And the same affinity assistant was relied on for the
   entire lifecycle of a PR. Now, there could be a case when the node
   on which affinity assistant pod is created goes down. In this case,
   the rest of the pipelineRun is stuck and cannot run to the completition
   since the affinity assistant (StatefulSet) tries to schedule rest
   of the pods (taskRuns) on the same node but that node is cordoned or not
   scheduling anything new.
   
   This commit always makes an attempt to create Affinity Assistant (StatefulSet)
   in case it does not exist. If it exist, the controller checks if the node on
   which Affinity Assistant pod is created is healthy to schedule subsequent
   pods. If not, the controller deletes Affinity Assistant pod so that
   StatefulSet can upscale the replicas (set to 1) on other node in the cluster.
   
   Signed-off-by: Priti Desai <[email protected]>

   

   pritidesai authored and tekton-robot committed Jun 22, 2023
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