Fix race condition when unpausing MCP at the end of a noop-for-pool maintenance #120
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…aintenance The previous version was able to get into an invalid state: the upgrade job was updated twice ([1][1], [2][2]) at the end of an update and the k8s client cache does not guarantee read after write consistency [3][3]. This lead to the MCPs being paused again just after force unpausing them. [1]: https://github.com/appuio/openshift-upgrade-controller/blob/0c1b407fd99a17ada4242a6454303911938377cd/controllers/upgradejob_controller.go#L939 [2]: https://github.com/appuio/openshift-upgrade-controller/blob/0c1b407fd99a17ada4242a6454303911938377cd/controllers/upgradejob_controller.go#L334 [3]: https://pkg.go.dev/sigs.k8s.io/controller-runtime#hdr-Clients_and_Caches
simu
approved these changes
Nov 15, 2024
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The previous version was able to get into an invalid state: the upgrade job was updated twice (1, 2) at the end of an update and the k8s client cache does not guarantee read after write consistency 3. This lead to the MCPs being paused again just after force unpausing them.
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bug,enhancement,documentation,change,breaking,dependencyas they show up in the changelog