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Add a way to deploy cilium alongside another CNI #6373

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merged 1 commit into from Jul 17, 2020
Merged

Add a way to deploy cilium alongside another CNI #6373

merged 1 commit into from Jul 17, 2020

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MrFreezeex
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@MrFreezeex MrFreezeex commented Jul 3, 2020 •
edited

Signed-off-by: Arthur Outhenin-Chalandre arthur@cri.epita.fr

What type of PR is this?
/kind feature

What this PR does / why we need it:
This add a simple way to deploy Cilium alongside another CNI.
With this (and my others PR #5554 and #6334) kubespray could deploy cilium as a replacement for kube-proxy alongside other CNI to benefit from all the features of cilium (observability, high performance with eBPF/XDP/...).

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:
I added a simple exception for cilium because I believe It is the only CNI that can replace kube-proxy while running with another CNI (or at least I didn't see any documentation for It in others CNI).

Does this PR introduce a user-facing change?:

Add cilium_deploy_additionally to deploy cilium alongside another CNI

@k8s-ci-robot k8s-ci-robot added kind/feature Categorizes issue or PR as related to a new feature. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Jul 3, 2020
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Hi @MrFreezeex. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@k8s-ci-robot k8s-ci-robot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Jul 3, 2020
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Jul 3, 2020
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Jul 4, 2020
@k8s-ci-robot k8s-ci-robot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jul 5, 2020
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floryut commented Jul 6, 2020

@MrFreezeex Don't you also want to add check in download role (where cilium is checked) ?
And maybe roles/kubernetes/preinstall/tasks/0020-verify-settings.yml:133 but this seems outdated and rarely the case I'd say..

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floryut commented Jul 6, 2020

/ok-to-test

@k8s-ci-robot k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Jul 6, 2020
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Add a way to deploy cilium alongside another CNI
b01903b 
Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Jul 6, 2020
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MrFreezeex commented Jul 6, 2020 •
edited

@floryut Indeed thanks for the reminder! I updated my PR accordingly. I will also send another PR to update the minimum kernel version.

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EppO commented Jul 10, 2020

love it! And I even think flannel could be setup the same way as it can be used along with other CNIs (like calico)

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jul 10, 2020
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Miouge1 commented Jul 13, 2020

I like the idea, but I think it will be easy to forget about the or cilium_deploy_additionally.

Would kube_network_plugin as a list of plugins make sense?

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MrFreezeex commented Jul 13, 2020 •
edited

I like the idea, but I think it will be easy to forget about the or cilium_deploy_additionally.

Would kube_network_plugin as a list of plugins make sense?

I also thought about It too, but I preferred to make It this way to have a smaller PR and because I think a list of network plugin would be a bit overkill for a special case like that. It is however true that It would be easier in term of maintainability to have no special case at all...

I can update my PR to have a list of network plugin but the patchset would be significantly larger. WDYT ?

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Miouge1 commented Jul 17, 2020

/approve

There was a discussion on Slack about this, good enough for now.

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Miouge1, MrFreezeex

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jul 17, 2020
@k8s-ci-robot k8s-ci-robot merged commit 1a1fe99 into kubernetes-sigs:master Jul 17, 2020
erulabs added a commit to kubesail/kubespray that referenced this pull request Jul 19, 2020
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Merge branch 'master' of https://github.com/kubernetes-sigs/kubespray
13dbcfe 
* 'master' of https://github.com/kubernetes-sigs/kubespray:
  Add a way to deploy cilium alongside another CNI (kubernetes-sigs#6373)
  Cleanup old build-cephfs-provisioner.yml playbook (kubernetes-sigs#6418)
  Always enable GitLab CI artifacts for cluster-dump (kubernetes-sigs#6412)
  Remove allow-release-candidate-upgrades already include in experimental-upgrades flag (kubernetes-sigs#6349)
  add calico-node selinux (kubernetes-sigs#6359)
  Add oomichi to reviwers of MetalLB addon (kubernetes-sigs#6393)
  Respect kube_override_hostname during removal/upgrade (kubernetes-sigs#6347)
  Fixed fedora modular repos activation for fcos (kubernetes-sigs#6300)
  Fix kube-proxy post deployment removal (kubernetes-sigs#5554)
  Remove old csi-attacher flag and fix RBAC for Cinder CSI (kubernetes-sigs#6358)
  Update cilium minimum kernel preinstall check (kubernetes-sigs#6376)
  Add readiness probe to dns-autoscaler (kubernetes-sigs#6382)
  Add Fedora CoreOS kubevirt image for tests (kubernetes-sigs#6337)
  allow kubeadm to upgrade etcd (kubernetes-sigs#6345)
  crio: harden downloads with retry (kubernetes-sigs#6374)
  Add workaround with include_task for mitogen (kubernetes-sigs#6312)
@floryut floryut mentioned this pull request Aug 14, 2020
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LuckySB pushed a commit to southbridgeio/kubespray that referenced this pull request Sep 16, 2020
@MrFreezeex @LuckySB
Add a way to deploy cilium alongside another CNI (kubernetes-sigs#6373)
a7c1ccc 
Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>
@MrFreezeex MrFreezeex mentioned this pull request Mar 14, 2023
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