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Feature: SidecarSet injection supports Partial strategy #1856

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AiRanthem
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@AiRanthem AiRanthem commented Dec 12, 2024

Ⅰ. Describe what this PR does

Now, SidecarSet supports two policies in injectionStrategy:

  1. Always, which is the default and current policy. Under this policy, all newly created Pods will be injected with the specified revision in injectionStrategy.
  2. Partial, under which only when the Pod is not selected by the Selector explicitly configured in UpdateStrategy will it be definitely injected with the specified revision. In all other conditions, newly created Pods have a probability of being injected with the latest Sidecar, where the probability is 1 - UpdateStrategy.Partition. If Partition is not a percentage or is not configured, its value is considered to be 0%.

Ⅱ. Does this pull request fix one issue?

fixes #1833

Ⅲ. Describe how to verify it

see the unit tests added

Ⅳ. Special notes for reviews

@AiRanthem
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@furykerry please help me to name the TODOSidecarSetInjectRevisionPolicy

Signed-off-by: AiRanthem <[email protected]>
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codecov bot commented Dec 13, 2024

Codecov Report

Attention: Patch coverage is 80.00000% with 13 lines in your changes missing coverage. Please review.

Project coverage is 50.05%. Comparing base (0d0031a) to head (a253818).
Report is 136 commits behind head on master.

Files with missing lines Patch % Lines
...set/validating/sidecarset_create_update_handler.go 41.17% 9 Missing and 1 partial ⚠️
pkg/util/tools.go 72.72% 2 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #1856      +/-   ##
==========================================
+ Coverage   47.91%   50.05%   +2.13%     
==========================================
  Files         162      192      +30     
  Lines       23491    24717    +1226     
==========================================
+ Hits        11256    12372    +1116     
- Misses      11014    11071      +57     
- Partials     1221     1274      +53     
Flag Coverage Δ
unittests 50.05% <80.00%> (+2.13%) ⬆️

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

☔ View full report in Codecov by Sentry.
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Signed-off-by: AiRanthem <[email protected]>
@AiRanthem AiRanthem changed the title SidecarSet injection supports TODO strategy SidecarSet injection supports Partial strategy Dec 13, 2024
@AiRanthem AiRanthem changed the title SidecarSet injection supports Partial strategy Feature: SidecarSet injection supports Partial strategy Dec 13, 2024
@AiRanthem AiRanthem marked this pull request as ready for review December 13, 2024 08:35
@furykerry
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/lgtm

@zmberg zmberg merged commit 2cdb760 into openkruise:master Dec 25, 2024
43 of 44 checks passed
furykerry pushed a commit to furykerry/kruise that referenced this pull request Feb 8, 2025
)

* SidecarSet injection supports TODO strategy

Signed-off-by: AiRanthem <[email protected]>

* passing test

Signed-off-by: AiRanthem <[email protected]>

* rename the policy

Signed-off-by: AiRanthem <[email protected]>

* Partition and Selector cannot be used together

Signed-off-by: AiRanthem <[email protected]>

* Partition and Selector cannot be used together

Signed-off-by: AiRanthem <[email protected]>

---------

Signed-off-by: AiRanthem <[email protected]>
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[feature request] SidecarSet support 'PartitionBased' policy to inject old/new revision according to Partition
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