Fix tolerations for Kubernetes 1.24 #3731
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tnqn
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May 5, 2022
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LGTM
kubeadm v1.24.0 will add both taints for control-plane Nodes and it seems to be a bug. But adding both tolerations has no side effects.
It seems an intended change: https://github.com/kubernetes/kubernetes/blame/master/CHANGELOG/CHANGELOG-1.24.md#L330
For new clusters, both the old taint node-role.kubernetes.io/master:NoSchedule and new taint node-role.kubernetes.io/control-plane:NoSchedule will be added to control plane nodes.
Codecov Report
@@ Coverage Diff @@
## main #3731 +/- ##
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- Coverage 64.60% 63.95% -0.65%
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Files 278 278
Lines 39640 39753 +113
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- Hits 25608 25426 -182
- Misses 12043 12370 +327
+ Partials 1989 1957 -32
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@xliuxu could you resolve conflicts? |
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@xliuxu could you also update tolerations of antrea-controller? antrea/build/charts/antrea/values.yaml Lines 203 to 205 in 4a3b76c Otherwise antrea-controller will never be scheduled to control-plane node. The title may need adjustment after that. |
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@tnqn Done. Thanks! |
tnqn
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build/charts/antrea/values.yaml
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| @@ -203,6 +203,9 @@ controller: | |||
| # Allow it to schedule onto master nodes. | |||
| - key: node-role.kubernetes.io/master | |||
| effect: NoSchedule | |||
| # Control-plane taint since Kubernetes >= 1.24. | |||
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Suggested change
| # Control-plane taint since Kubernetes >= 1.24. | |
| # Control-plane taint since Kubernetes 1.24. |
or
Suggested change
| # Control-plane taint since Kubernetes >= 1.24. | |
| # Control-plane taint for Kubernetes >= 1.24. |
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/test-all |
The taints for control-plane Nodes are changed for cluster version >= 1.24. Add a new toleration for Pods running on control-plane Nodes to make sure they can be scheduled. Signed-off-by: Xu Liu <xliu2@vmware.com>
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/test-all |
tnqn
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@xliuxu could you please backport this PR to release 1.5 and 1.6? |
This was referenced May 7, 2022
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The taints and labels for control-plane Nodes will be changed for
cluster version >= 1.24.
kubeadm v1.24.0 will add both taints for control-plane Nodes and
it seems to be a bug. But adding both tolerations has no side effects.
Signed-off-by: Xu Liu xliu2@vmware.com