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add nodelifecycle controller #1746

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rambohe-ch
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What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

As we discussed in the community meeting, nodelifecycle controller will be managed in yurt-manager controller and disabled in kube-controller-manager in order to manage pods eviction easily.

and the following two features are included in this pr:

  1. add nodelifecycle controller
  2. don't mark pods not ready when node has pod binding annotation

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?


other Note

@JameKeal
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Hi rambohe-ch, I review this code for a long time, it seems that have no problems, but for insurance reasons, shall we organize a code review meeting, from you to show us the detail of the code, it can improve the quality of code.

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codecov bot commented Oct 24, 2023

Codecov Report

Merging #1746 (83263d4) into master (7c1198a) will increase coverage by 1.35%.
The diff coverage is 67.49%.

@@            Coverage Diff             @@
##           master    #1746      +/-   ##
==========================================
+ Coverage   50.80%   52.15%   +1.35%     
==========================================
  Files         165      172       +7     
  Lines       19258    20876    +1618     
==========================================
+ Hits         9784    10888    +1104     
- Misses       8555     9025     +470     
- Partials      919      963      +44     
Flag Coverage Δ
unittests 52.15% <67.49%> (+1.35%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Coverage Δ
pkg/util/taints/taints.go 100.00% <100.00%> (ø)
...kg/yurtmanager/controller/nodelifecycle/metrics.go 100.00% <100.00%> (ø)
pkg/yurtmanager/webhook/node/v1/node_handler.go 0.00% <ø> (ø)
...r/controller/csrapprover/csrapprover_controller.go 26.84% <0.00%> (ø)
.../daemonpodupdater/daemon_pod_updater_controller.go 29.80% <0.00%> (ø)
...manager/controller/nodepool/nodepool_controller.go 46.73% <0.00%> (ø)
...yurtmanager/controller/raven/dns/dns_controller.go 30.06% <0.00%> (ø)
...rnalservice/gateway_internal_service_controller.go 48.14% <0.00%> (ø)
...r/raven/gatewaypickup/gateway_pickup_controller.go 24.89% <0.00%> (ø)
...publicservice/gateway_public_service_controller.go 39.14% <0.00%> (ø)
... and 13 more

... and 3 files with indirect coverage changes

@rambohe-ch
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Hi rambohe-ch, I review this code for a long time, it seems that have no problems, but for insurance reasons, shall we organize a code review meeting, from you to show us the detail of the code, it can improve the quality of code.

@JameKeal Thanks for your suggestion. I think maybe it's a good idea to introduce this pull request in a community meeting.

2. don't mark pods not ready when node has pod binding annotation
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sonarcloud bot commented Oct 25, 2023

Kudos, SonarCloud Quality Gate passed!    Quality Gate passed

Bug A 0 Bugs
Vulnerability A 0 Vulnerabilities
Security Hotspot A 0 Security Hotspots
Code Smell A 30 Code Smells

No Coverage information No Coverage information
1.1% 1.1% Duplication

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/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rambohe-ch, YTGhost

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@JameKeal
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/lgtm

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@JameKeal: changing LGTM is restricted to collaborators

In response to this:

/lgtm

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@rambohe-ch rambohe-ch merged commit 4e1eba8 into openyurtio:master Oct 26, 2023
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@rambohe-ch
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Fixes #1713

@crazytaxii
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Should we disable node lifecycle controller in kube-controller-manager in OpenYurt v1.4?

@rambohe-ch
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Should we disable node lifecycle controller in kube-controller-manager in OpenYurt v1.4?

@crazytaxii yes, we need to disable the nodelifecycle controller in kube-controller-manager component. and the tip has been added in the OpenYurt setup tutorial. the link is here: https://openyurt.io/docs/installation/manually-setup#2-prerequisites-for-installing-the-openyurt-control-plane

To adapt to the complex network scenarios at the edge, we need to disable the original node lifecycle management controller of the k8s. For details, see Kube-Controller-Manager Installation Configuration Adjustments.

@jeffrey4l
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based on our test, seems there is no need to remove the node lifecycle controller from kube-controller-manager.
But how it works ? @rambohe-ch

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6 participants