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Tests for multi-container readiness and liveness probes #15180

Merged
merged 10 commits into from
May 7, 2024
Merged

Tests for multi-container readiness and liveness probes #15180

merged 10 commits into from
May 7, 2024

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mgencur
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@mgencur mgencur commented May 2, 2024 •
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Fixes #14869
Fixes #12480

Proposed Changes

  • Remove misleading comment about multi-container Probes (they're now allowed for all containers)
  • Test readiness/liveness probes with sidecars (sidecar 1: Readiness probe, sidecar 2: Liveness, sidecar 3: Readiness + Liveness)
    • The final HTTP requests propagates through all the containers
    • Delay Readiness for one of the sidecars
  • Test for different types of probes (TCPSocket, HTTPGet+Exec, GRPC)
  • Test sidecar container being ready and then going unready, checking that Endpoints are properly removed from the private service.
  • For liveness probe, test happy-path scenarios for different types of probes for sidecars.
  • Test liveness probe "failure" for HTTPGet probe, but only for the user-container.

Release Note

@knative-prow knative-prow bot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label May 2, 2024
@knative-prow knative-prow bot requested review from izabelacg and ReToCode May 2, 2024 12:40
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codecov bot commented May 2, 2024 •
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Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 84.74%. Comparing base (c2d0af1) to head (0a8c9ac).
Report is 91 commits behind head on main.

Files Patch % Lines
pkg/testing/v1/service.go 0.00% 3 Missing ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##             main   #15180      +/-   ##
==========================================
+ Coverage   84.11%   84.74%   +0.63%     
==========================================
  Files         213      218       +5     
  Lines       16783    13472    -3311     
==========================================
- Hits        14117    11417    -2700     
+ Misses       2315     1688     -627     
- Partials      351      367      +16

☔ View full report in Codecov by Sentry.
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mgencur added 4 commits May 2, 2024 15:14
@mgencur
Pass FORWARD_PORT in service_test
ac8a915
@mgencur
Revert readiness image to only fail readiness probe
cf78a49 
handleMain does not reflect the readiness state like it was before
@mgencur
Use proxy to start failing sidecar
ee022b0 
This reverts commit c6929e6e0e1190b15c990c7873b269abdae9609d.
@mgencur
Test liveness failure
815d1e4
@knative-prow knative-prow bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels May 3, 2024
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mgencur commented May 3, 2024 •
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The test for liveness probe failure was inspired by #12497. The issues that were blocking the original PR were either resolved (the main one) or I found a workaround (the test issue).

@mgencur
Address review feedback
0a35ba3 
* start package-private functions with lowercase
* use already existing const for "user-container"
* rename getPort to getServerPort to make it more specific (avoid
confusion with FORWARD_PORT)
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ReToCode commented May 6, 2024

LGTM, I can approve once https://github.com/knative/serving/actions/runs/8965592118/job/24619389624?pr=15180 passes.

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ReToCode approved these changes May 6, 2024
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/lgtm
/approve

@knative-prow knative-prow bot added the lgtm Indicates that a PR is ready to be merged. label May 6, 2024
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ReToCode commented May 6, 2024

@dsimansk mind approving the above? @dprotaso is on PTO and the pkg/apis change is only a (now invalid) comment.

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mgencur commented May 6, 2024 •
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This PR removes an invalid comment about container probes here
Multi-container probes were added in #14853

@dsimansk @dprotaso Could any of you approve this change? Thanks

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dsimansk commented May 7, 2024

/approve
/lgtm

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knative-prow bot commented May 7, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dsimansk, mgencur, ReToCode

The full list of commands accepted by this bot can be found here.

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@knative-prow knative-prow bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 7, 2024
@knative-prow knative-prow bot merged commit 9046081 into knative:main May 7, 2024
67 checks passed
mgencur added a commit to mgencur/serving-1 that referenced this pull request May 9, 2024
@mgencur
Tests for multi-container readiness and liveness probes (knative#15180)
be530b6 
* Tests for multi-container readiness and liveness probes

* Use PORT instead of HEALTHCHECK_PORT for serving container

* Fixes

* Pass FORWARD_PORT in service_test

* Revert readiness image to only fail readiness probe

handleMain does not reflect the readiness state like it was before

* Use proxy to start failing sidecar

This reverts commit c6929e6e0e1190b15c990c7873b269abdae9609d.

* Test liveness failure

* Use /healthz/readiness in multicontainer test

* Address review feedback

* start package-private functions with lowercase
* use already existing const for "user-container"
* rename getPort to getServerPort to make it more specific (avoid
confusion with FORWARD_PORT)

* Fix lint
openshift-merge-bot bot pushed a commit to openshift-knative/serving that referenced this pull request May 13, 2024
@mgencur
Tests for multi-container readiness and liveness probes (#710)
538c4f0 
* Enable multi-container probing tests in openshift/e2e-common.sh

* Tests for multi-container readiness and liveness probes (knative#15180)

* Tests for multi-container readiness and liveness probes

* Use PORT instead of HEALTHCHECK_PORT for serving container

* Fixes

* Pass FORWARD_PORT in service_test

* Revert readiness image to only fail readiness probe

handleMain does not reflect the readiness state like it was before

* Use proxy to start failing sidecar

This reverts commit c6929e6e0e1190b15c990c7873b269abdae9609d.

* Test liveness failure

* Use /healthz/readiness in multicontainer test

* Address review feedback

* start package-private functions with lowercase
* use already existing const for "user-container"
* rename getPort to getServerPort to make it more specific (avoid
confusion with FORWARD_PORT)

* Fix lint
openshift-cherrypick-robot pushed a commit to openshift-cherrypick-robot/knative-serving that referenced this pull request May 13, 2024
@mgencur
Tests for multi-container readiness and liveness probes (knative#15180)
c3f29a9 
* Tests for multi-container readiness and liveness probes

* Use PORT instead of HEALTHCHECK_PORT for serving container

* Fixes

* Pass FORWARD_PORT in service_test

* Revert readiness image to only fail readiness probe

handleMain does not reflect the readiness state like it was before

* Use proxy to start failing sidecar

This reverts commit c6929e6e0e1190b15c990c7873b269abdae9609d.

* Test liveness failure

* Use /healthz/readiness in multicontainer test

* Address review feedback

* start package-private functions with lowercase
* use already existing const for "user-container"
* rename getPort to getServerPort to make it more specific (avoid
confusion with FORWARD_PORT)

* Fix lint
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@ReToCode ReToCode ReToCode approved these changes

@izabelacg izabelacg Awaiting requested review from izabelacg

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Add more e2e tests for the different probes No test coverage for liveness probes
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