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Update minimum supported k8s version to v1.20 #7171

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olix0r opened this issue Oct 28, 2021 · 0 comments · Fixed by #7172
Closed

Update minimum supported k8s version to v1.20 #7171

olix0r opened this issue Oct 28, 2021 · 0 comments · Fixed by #7172
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priority/P0 Release Blocker
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stable-2.12.0

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@olix0r
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olix0r commented Oct 28, 2021 •
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Linkerd's minimum supported k8s version is currently v0.17. Kubernetes v1.19 is due to reach its end-of-life... tomorrow (2021-10-28) per https://kubernetes.io/releases/patch-releases/#1-19. v1.17 reached its EOL date on 2021-01-13.

Using such an old version of the kubernetes API prevents us from updating dependencies (e.g. #7170, #6698) and causes Linkerd installs to emit deprecation warnings. Also, it's extremely difficult to provision clusters with EOL k8s versions in integration tests (#7112).

In the short term, we should update our minimum supported version to v1.20. Generally, as a project, we should only commit to updating our minimum supported version to avoid maintaining support for EOL'd versions. v1.20 will be EOL'd on 2022-02-28...
@olix0r olix0r added the priority/P0 Release Blocker label Oct 28, 2021
@olix0r olix0r added this to the stable-2.12.0 milestone Oct 28, 2021
olix0r added a commit that referenced this issue Oct 28, 2021
@olix0r
Update minimunm-supported K8s version to v1.20
69bac8a 
Kubernetes v1.19 is reaching its end-of-life date on 2021-10-28. In
anticipation of this, we should explicitly update our minimum supported
version to v1.20. This allows us keep our dependencies up-to-date and
ensures that we can actually test against our minimum supported version.

Fixes #7171
This was referenced Oct 28, 2021
Merged
Closed
olix0r added a commit that referenced this issue Oct 28, 2021
@olix0r @alpeb
Update minimum-supported K8s version to v1.20 (#7172)
c88c0ed 
Kubernetes v1.19 is reaching its end-of-life date on 2021-10-28. In
anticipation of this, we should explicitly update our minimum supported
version to v1.20. This allows us keep our dependencies up-to-date and
ensures that we can actually test against our minimum supported version.

Fixes #7171

Co-authored-by: Alejandro Pedraza <alejandro@buoyant.io>
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Nov 28, 2021
olix0r added a commit that referenced this issue Mar 31, 2022
@olix0r @alpeb
Update minimum-supported K8s version to v1.20 (#7172)
8074613 
Kubernetes v1.19 is reaching its end-of-life date on 2021-10-28. In
anticipation of this, we should explicitly update our minimum supported
version to v1.20. This allows us keep our dependencies up-to-date and
ensures that we can actually test against our minimum supported version.

Fixes #7171

Co-authored-by: Alejandro Pedraza <alejandro@buoyant.io>
(cherry picked from commit c88c0ed)
Signed-off-by: Oliver Gould <ver@buoyant.io>
olix0r added a commit that referenced this issue Apr 7, 2022
@olix0r @alpeb
Update minimum-supported K8s version to v1.20 (#7172)
384fc19 
Kubernetes v1.19 is reaching its end-of-life date on 2021-10-28. In
anticipation of this, we should explicitly update our minimum supported
version to v1.20. This allows us keep our dependencies up-to-date and
ensures that we can actually test against our minimum supported version.

Fixes #7171

Co-authored-by: Alejandro Pedraza <alejandro@buoyant.io>
(cherry picked from commit c88c0ed)
Signed-off-by: Oliver Gould <ver@buoyant.io>
olix0r added a commit that referenced this issue Apr 8, 2022
@olix0r @alpeb
Update minimum-supported K8s version to v1.20 (#7172)
8b04a0b 
Kubernetes v1.19 is reaching its end-of-life date on 2021-10-28. In
anticipation of this, we should explicitly update our minimum supported
version to v1.20. This allows us keep our dependencies up-to-date and
ensures that we can actually test against our minimum supported version.

Fixes #7171

Co-authored-by: Alejandro Pedraza <alejandro@buoyant.io>
(cherry picked from commit c88c0ed)
Signed-off-by: Oliver Gould <ver@buoyant.io>
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Update minimum-supported K8s version to v1.20 linkerd/linkerd2
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