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This essentially reverts kubernetes-retired#1087, which breaks HNC on new clusters that haven't previously had HNC installed. It fixes the nondeterministic crashing problem by patching in kubernetes-sigs/controller-runtime#1155, which has been applied to controller-runtime 0.6.3 in adrianludwin's repo. This is a temporary hack and will be removed when controller-runtime releases its own fix - likely 0.6.4. Tested: with the reversion of kubernetes-retired#1087 (main.go), HNC can be installed on a fresh cluster again but fails to start up ~50% of the time. With the fix to controller-runtime, it passes on 20/20 startup attempts. Ran e2e tests and got the same result as without this change (four failures).
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: adrianludwin, rjbez17 The full list of commands accepted by this bot can be found here. The pull request process is described here
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kubernetes-retired#1127 is our work-around to patch controller-runtime v0.6.3 to fix the thread/start-safe bug. Now since the bug fix is in v0.6.4 (see https://github.com/kubernetes-sigs/controller-runtime/releases/tag/v0.6.4), we can replace the patched version with v0.6.4. Tested by make test.
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This essentially reverts #1087, which breaks HNC on new clusters that
haven't previously had HNC installed. It fixes the nondeterministic
crashing problem by patching in
kubernetes-sigs/controller-runtime#1155, which
has been applied to controller-runtime 0.6.3 in @adrianludwin's repo.
This is a temporary hack and will be removed when controller-runtime
releases its own fix - likely 0.6.4.
Tested: with the reversion of #1087 (main.go), HNC can be installed on a
fresh cluster again but fails to start up ~50% of the time. With the fix
to controller-runtime, it passes on 20/20 startup attempts. Ran e2e
tests and got the same result as without this change (four failures).