EXPERIMENTAL HA support #163
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: adrianludwin The full list of commands accepted by this bot can be found here. The pull request process is described here
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This change lets the HNC manager be run both without webhooks and in webhook-only mode. This allows us to create two Deployments - one for the controller which actually makes changes, and another replicated deployment for the webhooks, each of which independently sync their in-memory forests and serve webhook requests. Taking advantage of this new feature requires considerable changes to the manifests, which I'm checking in as a separate commit. Tested: change passes smoke test when deployed with HA manifests, but I haven't done any careful validation that (for example) the HA deployment isn't actually writing anything.
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Erik's busy so submitting this now. /hold cancel |
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| @@ -102,7 +102,7 @@ func HNCBeforeSuite() { | |||
| Expect(err).ToNot(HaveOccurred()) | |||
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| By("creating reconcilers") | |||
| err = setup.CreateReconcilers(k8sManager, forest.NewForest(), 100, true) | |||
| err = setup.CreateReconcilers(k8sManager, forest.NewForest(), 100, false, true) | |||
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Could it make sense to create some constants to make the code more readable? What does false, true really mean here? ReadOnlyMode, UseFakeClient would read better IMO.
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Whoops, I just removed the hold. This is an easy followup.
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This change lets the HNC manager be run both without webhooks and
in webhook-only mode. This allows us to create two Deployments - one for
the controller which actually makes changes, and another replicated
deployment for the webhooks, each of which independently sync their
in-memory forests and serve webhook requests.
Taking advantage of this new feature requires considerable changes to
the manifests, which I'm checking in as a separate commit.
Tested: change passes smoke test when deployed with HA manifests, but I
haven't done any careful validation that (for example) the HA deployment
isn't actually writing anything.