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[1.21] prepend commands with taskset if InfraCtrCPUSet is configured #5557

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Merged
openshift-merge-robot merged 6 commits into from
Jan 21, 2022
Merged

[1.21] prepend commands with taskset if InfraCtrCPUSet is configured #5557

openshift-merge-robot merged 6 commits into from
Jan 21, 2022

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@haircommander haircommander commented Jan 20, 2022

What type of PR is this?

/kind feature

What this PR does / why we need it:

If InfraCtrCPUSet is configured, then there is an expectation that all commands land on certain CPUs. However, this isn't always the case. Thus, we need a way of spawning commands given a list of CPUs.

To do this, update cmdrunner to be a singleton object that stores an optional command and args to prepend to commands. Then use this singleton anytime exec.Command would be called.

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Add functionality to use taskset to spawn new commands cri-o runs. Now, if InfraCtrCPUSet is called, all newly spawned commands will be placed in the InfraCtrCPUSet (as it's expected to be set to the reserved CPU set that system commands should run on).

@openshift-ci openshift-ci bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. kind/feature Categorizes issue or PR as related to a new feature. dco-signoff: yes Indicates the PR's author has DCO signed all their commits. labels Jan 20, 2022
@openshift-ci openshift-ci bot requested a review from umohnani8 January 20, 2022 18:52
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openshift-ci bot commented Jan 20, 2022

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: haircommander

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@openshift-ci openshift-ci bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jan 20, 2022
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haircommander commented Jan 20, 2022

cherry-pick of #5547

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codecov bot commented Jan 20, 2022 •
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Codecov Report

Merging #5557 (4aa8a9c) into release-1.21 (91c3cb8) will increase coverage by 0.05%.
The diff coverage is 58.53%.

❗ Current head 4aa8a9c differs from pull request most recent head dc80caa. Consider uploading reports for the commit dc80caa to get more accurate results

@@               Coverage Diff                @@
##           release-1.21    #5557      +/-   ##
================================================
+ Coverage         44.99%   45.05%   +0.05%     
================================================
  Files               107      109       +2     
  Lines             11010    11038      +28     
================================================
+ Hits               4954     4973      +19     
- Misses             5577     5586       +9     
  Partials            479      479

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haircommander commented Jan 21, 2022

/retest

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openshift-ci bot commented Jan 21, 2022

@haircommander: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
ci/openshift-jenkins/integration_crun_cgroupv2 dc80caa link false /test integration_cgroupv2
ci/openshift-jenkins/e2e_crun_cgroupv2 dc80caa link false /test e2e_cgroupv2

Full PR test history. Your PR dashboard.

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wgahnagl
wgahnagl reviewed Jan 21, 2022
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/lgtm

@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label Jan 21, 2022
@openshift-merge-robot openshift-merge-robot merged commit aebb17b into cri-o:release-1.21 Jan 21, 2022
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haircommander commented Feb 3, 2022

/cherry-pick release-1.20

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openshift-cherrypick-robot commented Feb 3, 2022

@haircommander: #5557 failed to apply on top of branch "release-1.20":

Applying: cmdrunner: create singleton
Applying: cmdrunner: add tests for prepended commands
Applying: config: prepend commands with taskset if InfraCtrCPUSet is configured
Using index info to reconstruct a base tree...
M	pkg/config/config.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/config/config.go
CONFLICT (content): Merge conflict in pkg/config/config.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0003 config: prepend commands with taskset if InfraCtrCPUSet is configured
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
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In response to this:

/cherry-pick release-1.20

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@haircommander haircommander mentioned this pull request Feb 3, 2022
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@openshift-ci openshift-ci bot mentioned this pull request Mar 15, 2022
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@mrunalp mrunalp Awaiting requested review from mrunalp mrunalp is a code owner

@runcom runcom Awaiting requested review from runcom runcom is a code owner

@umohnani8 umohnani8 Awaiting requested review from umohnani8

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