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Update pluginwatcher doc #68562

Merged
merged 2 commits into from
Nov 2, 2018
Merged

Update pluginwatcher doc #68562

merged 2 commits into from
Nov 2, 2018

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RenaudWasTaken
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@RenaudWasTaken RenaudWasTaken commented Sep 12, 2018 •
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What this PR does / why we need it: Adds more documentation about the pluginwatcher process and development

Which issue(s) this PR fixes See issue kubernetes/enhancements#595 and issue #65773

Special notes for your reviewer:
/sig node
/kind documentation
/cc @vikaschoudhary16 @figo @sbezverk @saad-ali @vladimirvivien @jiayingz

Release note:

NONE

@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Sep 12, 2018
@k8s-ci-robot k8s-ci-robot added sig/node Categorizes an issue or PR as relevant to SIG Node. kind/documentation Categorizes issue or PR as related to documentation. do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. area/kubelet release-note-none Denotes a PR that doesn't merit a release note. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Sep 12, 2018
vladimirvivien
vladimirvivien reviewed Sep 13, 2018
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Added couple of suggestions.

pkg/kubelet/util/pluginwatcher/README Outdated Show resolved Hide resolved
pkg/kubelet/util/pluginwatcher/README Outdated
- Implements the Registration service specified in
pkg/kubelet/apis/pluginregistration/v*/api.proto.
Here are the general rules that Kubelet plugin developers should follow:
- Run as 'root' user. Currently creating socket under PluginsDir, a root owned
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Is that Run plugin as root ?

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Well your plugin should have the correct permissions to create and read any files in the plugin directory.

figo
figo reviewed Sep 13, 2018
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pkg/kubelet/util/pluginwatcher/README Outdated

# Kubelet Internal API

For internal kubelet clients using the pluginwatcher module, you will need to
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is "internal kubelet client" been defined somewhere? i feel it is more clear to say: For any kubelet components

pkg/kubelet/util/pluginwatcher/README Outdated
@@ -32,3 +42,25 @@ Here are the general rules that Kubelet plugin developers should follow:

- For an example plugin implementation, take a look at example_plugin.go
included in this directory.


# Kubelet Internal API
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the same question, is "Kubelet internal API" been defined somewhere? thanks

vladimirvivien
vladimirvivien reviewed Sep 21, 2018
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Rename file README.md so mark down will render properly.

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/LGTM

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 21, 2018
@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed lgtm "Looks good to me", indicates that a PR is ready to be merged. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Sep 21, 2018
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RenaudWasTaken commented Sep 21, 2018 •
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@vladimirvivien done!
Also split into two commits so that the diff is viewable

figo
figo reviewed Sep 21, 2018
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pkg/kubelet/util/pluginwatcher/README.md Outdated
pluginwatcher module in kubelet.go by calling AddHandler(pluginType, handler).


The lifecycle follows a simple Validate -> Register -> DeRegister state machine.
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the ascii graph is off when render the file, add a extra blank line will work (find out by rendering a readme file in my local IDE).

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/retest

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Fixed @figo

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figo commented Sep 24, 2018

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 24, 2018
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nikhita commented Sep 29, 2018

/assign @yujuhong
for approval

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ping @vishh for approval

@vladimirvivien vladimirvivien mentioned this pull request Oct 18, 2018
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Maybe @saad-ali can help with approval on this docs PR :) ?

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vishh commented Nov 1, 2018

Appreciate taking time to write this readme @RenaudWasTaken. Can you also add this text to the k8s device plugin docs page, or at-least link to this doc?

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RenaudWasTaken, vishh

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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 Nov 1, 2018
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Thanks @vishh !

Yep, I'll take care of the PR tomorrow!

@k8s-ci-robot k8s-ci-robot merged commit 3b66adb into kubernetes:master Nov 2, 2018
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@figo figo figo left review comments

@vladimirvivien vladimirvivien vladimirvivien left review comments

@jiayingz jiayingz Awaiting requested review from jiayingz

@saad-ali saad-ali Awaiting requested review from saad-ali

@sbezverk sbezverk Awaiting requested review from sbezverk

@vikaschoudhary16 vikaschoudhary16 Awaiting requested review from vikaschoudhary16

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@vladimirvivien vladimirvivien

@vishh vishh

@yujuhong yujuhong

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@RenaudWasTaken @vladimirvivien @figo @nikhita @vishh @k8s-ci-robot @yujuhong