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OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21#30973

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openshift-merge-bot[bot] merged 1 commit intoopenshift:release-4.21from
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Apr 15, 2026
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OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21#30973
openshift-merge-bot[bot] merged 1 commit intoopenshift:release-4.21from
BhargaviGudi:node-swap

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@BhargaviGudi BhargaviGudi commented Apr 7, 2026 •
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Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

Tests were executed locally on 4.21.0-0.nightly-2026-04-13-184348, and the entire suite completed successfully with all tests passing.
Non-cnv testcases

  [Jira:Node][sig-node] Node non-cnv swap configuration should have correct default kubelet swap settings with worker nodes failSwapOn=false, control plane nodes failSwapOn=true, and both swapBehavior=NoSwap [OCP-86394] [Lifecycle:informing]
  github.com/openshift/origin/test/extended/node/node_swap.go:46
    STEP: Creating a kubernetes client @ 04/14/26 19:21:36.555
  I0414 19:21:36.555879 3991406 discovery.go:214] Invalidating discovery information
  I0414 19:21:40.415428 3991406 client.go:293] configPath is now "/tmp/configfile3967033839"
  I0414 19:21:40.415523 3991406 client.go:368] The user is now "e2e-test-node-swap-xt9tt-user"
  I0414 19:21:40.415558 3991406 client.go:370] Creating project "e2e-test-node-swap-xt9tt"
  I0414 19:21:40.725881 3991406 client.go:378] Waiting on permissions in project "e2e-test-node-swap-xt9tt" ...
  I0414 19:21:42.524172 3991406 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
  I0414 19:21:42.761720 3991406 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
  I0414 19:21:43.781996 3991406 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
  I0414 19:21:44.395178 3991406 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
  I0414 19:21:45.499321 3991406 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
  I0414 19:21:46.033519 3991406 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
  I0414 19:21:46.669801 3991406 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
  I0414 19:21:47.878286 3991406 client.go:465] Project "e2e-test-node-swap-xt9tt" has been fully provisioned.
  I0414 19:21:48.430752 3991406 framework.go:2333] microshift-version configmap not found
    STEP: Getting worker nodes @ 04/14/26 19:21:48.43
    STEP: Validating kubelet configuration on each worker node @ 04/14/26 19:21:49.108
    STEP: Checking failSwapOn=false on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
  I0414 19:21:49.343507 3991406 node_swap.go:63] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false ✓
    STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
  I0414 19:21:49.343558 3991406 node_swap.go:68] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap ✓
    STEP: Checking failSwapOn=false on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
  I0414 19:21:49.636485 3991406 node_swap.go:63] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false ✓
    STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
  I0414 19:21:49.636554 3991406 node_swap.go:68] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap ✓
    STEP: Checking failSwapOn=false on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
  I0414 19:21:49.925603 3991406 node_swap.go:63] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false ✓
    STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
  I0414 19:21:49.925677 3991406 node_swap.go:68] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap ✓
    STEP: Getting control plane nodes @ 04/14/26 19:21:50.336
    STEP: Validating kubelet configuration on each control plane node @ 04/14/26 19:21:50.577
    STEP: Checking failSwapOn=true on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
  I0414 19:21:51.156409 3991406 node_swap.go:89] Control plane node ip-10-0-25-149.ec2.internal: failSwapOn=true ✓
    STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
  I0414 19:21:51.156525 3991406 node_swap.go:94] Control plane node ip-10-0-25-149.ec2.internal: swapBehavior=NoSwap ✓
    STEP: Checking failSwapOn=true on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
  I0414 19:21:51.566285 3991406 node_swap.go:89] Control plane node ip-10-0-54-138.ec2.internal: failSwapOn=true ✓
    STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
  I0414 19:21:51.566407 3991406 node_swap.go:94] Control plane node ip-10-0-54-138.ec2.internal: swapBehavior=NoSwap ✓
    STEP: Checking failSwapOn=true on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
  I0414 19:21:51.975962 3991406 node_swap.go:89] Control plane node ip-10-0-69-42.ec2.internal: failSwapOn=true ✓
    STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
  I0414 19:21:51.976024 3991406 node_swap.go:94] Control plane node ip-10-0-69-42.ec2.internal: swapBehavior=NoSwap ✓
  I0414 19:21:51.976047 3991406 node_swap.go:99] Test PASSED: All nodes have correct default swap settings
  I0414 19:21:52.386301 3991406 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-xt9tt-user}, err: <nil>
  I0414 19:21:52.613623 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-xt9tt}, err: <nil>
  I0414 19:21:52.839747 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~HdnIySSD7ghCVM_QEl-XJE2UtFoVAdBwho8zM7NqWnA}, err: <nil>
    STEP: Destroying namespace "e2e-test-node-swap-xt9tt" for this suite. @ 04/14/26 19:21:52.839
  • [16.652 seconds]
  ------------------------------

  Ran 1 of 1 Specs in 16.653 seconds
  SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

  [Jira:Node][sig-node] Node non-cnv swap configuration should reject user override of swap settings via KubeletConfig API [OCP-86395] [Lifecycle:informing]
  github.com/openshift/origin/test/extended/node/node_swap.go:102
    STEP: Creating a kubernetes client @ 04/14/26 19:22:53.423
  I0414 19:22:53.423849 3992054 discovery.go:214] Invalidating discovery information
  I0414 19:22:56.909791 3992054 client.go:293] configPath is now "/tmp/configfile168559043"
  I0414 19:22:56.909846 3992054 client.go:368] The user is now "e2e-test-node-swap-7pm4k-user"
  I0414 19:22:56.909866 3992054 client.go:370] Creating project "e2e-test-node-swap-7pm4k"
  I0414 19:22:57.317837 3992054 client.go:378] Waiting on permissions in project "e2e-test-node-swap-7pm4k" ...
  I0414 19:22:58.535678 3992054 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
  I0414 19:22:58.770280 3992054 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
  I0414 19:22:59.478424 3992054 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
  I0414 19:23:00.053259 3992054 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
  I0414 19:23:00.786159 3992054 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
  I0414 19:23:01.997147 3992054 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
  I0414 19:23:02.837252 3992054 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
  I0414 19:23:04.062269 3992054 client.go:465] Project "e2e-test-node-swap-7pm4k" has been fully provisioned.
  I0414 19:23:04.308157 3992054 framework.go:2333] microshift-version configmap not found
    STEP: Creating machine config client @ 04/14/26 19:23:04.542
    STEP: Getting initial machine config resourceVersion @ 04/14/26 19:23:04.543
  I0414 19:23:05.100440 3992054 node_swap.go:119] Initial 98-worker-generated-kubelet resourceVersion: 8552
    STEP: Creating a KubeletConfig with swap settings @ 04/14/26 19:23:05.1
    STEP: Attempting to apply the KubeletConfig @ 04/14/26 19:23:05.1
  I0414 19:23:05.100539 3992054 node_swap.go:145] Creating KubeletConfig with failSwapOn=true and swapBehavior=LimitedSwap
    STEP: Checking KubeletConfig status for expected error message @ 04/14/26 19:23:05.5
  I0414 19:23:07.762558 3992054 node_swap.go:171] Found Failure condition: Error: KubeletConfiguration: failSwapOn is not allowed to be set, but contains: true
    STEP: Verifying machine config was not created or updated @ 04/14/26 19:23:07.762
  I0414 19:23:14.004260 3992054 node_swap.go:189] Verified: 98-worker-generated-kubelet was not updated (resourceVersion: 8552)
    STEP: Verifying worker nodes still have correct swap settings @ 04/14/26 19:23:14.004
    STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
  I0414 19:23:14.711851 3992054 node_swap.go:206] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false (unchanged) ✓
    STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
  I0414 19:23:14.711983 3992054 node_swap.go:211] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
    STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
  I0414 19:23:15.191816 3992054 node_swap.go:206] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false (unchanged) ✓
    STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
  I0414 19:23:15.191887 3992054 node_swap.go:211] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
    STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
  I0414 19:23:15.533312 3992054 node_swap.go:206] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false (unchanged) ✓
    STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
  I0414 19:23:15.533466 3992054 node_swap.go:211] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
  I0414 19:23:15.533515 3992054 node_swap.go:214] Test PASSED: KubeletConfig with failSwapOn was properly rejected
  I0414 19:23:16.352477 3992054 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-7pm4k-user}, err: <nil>
  I0414 19:23:16.761089 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-7pm4k}, err: <nil>
  I0414 19:23:17.001677 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~ijs3FEAbnjosYANLVAyMHdYzezb6eSWTFaowEzxxzjI}, err: <nil>
    STEP: Destroying namespace "e2e-test-node-swap-7pm4k" for this suite. @ 04/14/26 19:23:17.001
  • [23.961 seconds]
  ------------------------------

  Ran 1 of 1 Specs in 23.961 seconds
  SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

CNV testcases (Suite:openshift/disruptive-longrunning)

started: 0/1/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
passed: (8m13s) 2026-04-14T11:53:58 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
started: 0/2/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
passed: (7m21s) 2026-04-14T12:01:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
started: 0/3/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
passed: (6m39s) 2026-04-14T12:08:14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
started: 0/4/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
passed: (7m6s) 2026-04-14T12:15:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
started: 0/5/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
passed: (5m58s) 2026-04-14T12:21:45 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
started: 0/6/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
passed: (7m5s) 2026-04-14T12:28:54 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
started: 0/7/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
passed: (8m52s) 2026-04-14T12:38:02 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
started: 0/8/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
passed: (6m10s) 2026-04-14T12:44:19 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
started: 0/9/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
passed: (6m9s) 2026-04-14T12:50:35 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
started: 0/10/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
passed: (7m54s) 2026-04-14T12:58:38 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
started: 0/11/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
passed: (5m57s) 2026-04-14T13:04:40 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
started: 0/12/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
passed: (6m54s) 2026-04-14T13:11:39 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
started: 0/13/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
passed: (6m4s) 2026-04-14T13:17:47 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
started: 0/14/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"
passed: (6m8s) 2026-04-14T13:24:00 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"

@openshift-ci-robot openshift-ci-robot added the jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. label Apr 7, 2026
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openshift-ci-robot commented Apr 7, 2026

@BhargaviGudi: This pull request explicitly references no jira issue.

Details

In response to this:

Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

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 openshift-eng/jira-lifecycle-plugin repository.

@openshift-ci openshift-ci bot added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Apr 7, 2026
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coderabbitai bot commented Apr 7, 2026 •
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@openshift-ci openshift-ci bot requested review from deads2k and p0lyn0mial April 7, 2026 13:22
@BhargaviGudi BhargaviGudi force-pushed the node-swap branch 2 times, most recently from 4504214 to f75daaa Compare April 7, 2026 13:39
@BhargaviGudi BhargaviGudi mentioned this pull request Apr 10, 2026
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@BhargaviGudi
Manual cherry-pick node swap feature testcases to 4.21
bd9c3fe 
condition.Status changes (True→False) for 4.21

Resolved verify-deps issue

Add retry logic for transient network errors in restartKubeletOnNode

Dynamically find worker-generated-kubelet MC name to support different platforms
@BhargaviGudi BhargaviGudi changed the title WIP NO-ISSUE: Manual cherry-pick node swap feature testcases to 4.21 WIP OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 Apr 10, 2026
@openshift-ci-robot openshift-ci-robot added jira/severity-low Referenced Jira bug's severity is low for the branch this PR is targeting. jira/valid-bug Indicates that a referenced Jira bug is valid for the branch this PR is targeting. labels Apr 10, 2026
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openshift-ci-robot commented Apr 10, 2026

@BhargaviGudi: This pull request references Jira Issue OCPBUGS-81638, which is valid. The bug has been moved to the POST state.

7 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (4.21.z) matches configured target version for branch (4.21.z)
  • bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)
  • release note text is set and does not match the template
  • dependent bug Jira Issue OCPBUGS-82197 is in the state Closed (Done), which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
  • dependent Jira Issue OCPBUGS-82197 targets the "4.22.0" version, which is one of the valid target versions: 4.22.0
  • bug has dependents

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

Depends on PR: #30976 and openshift/release#77488

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@BhargaviGudi BhargaviGudi changed the title WIP OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 Apr 14, 2026
@openshift-ci-robot openshift-ci-robot added the verified Signifies that the PR passed pre-merge verification criteria label Apr 14, 2026
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@BhargaviGudi: This PR has been marked as verified by CI.

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@openshift-ci openshift-ci bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Apr 14, 2026
@BhargaviGudi BhargaviGudi changed the title OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 WIP OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 Apr 14, 2026
@openshift-ci openshift-ci bot added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Apr 14, 2026
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openshift-ci-robot commented Apr 14, 2026

@BhargaviGudi: This pull request references Jira Issue OCPBUGS-81638, which is valid.

7 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (4.21.z) matches configured target version for branch (4.21.z)
  • bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)
  • release note text is set and does not match the template
  • dependent bug Jira Issue OCPBUGS-82197 is in the state Closed (Done), which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
  • dependent Jira Issue OCPBUGS-82197 targets the "4.22.0" version, which is one of the valid target versions: 4.22.0
  • bug has dependents
Details

In response to this:

Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

Tests were executed locally on 4.21.0-0.nightly-2026-04-13-184348, and the entire suite completed successfully with all tests passing.
Non-cnv testcases

 [Jira:Node][sig-node] Node non-cnv swap configuration should have correct default kubelet swap settings with worker nodes failSwapOn=false, control plane nodes failSwapOn=true, and both swapBehavior=NoSwap [OCP-86394] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:46
   STEP: Creating a kubernetes client @ 04/14/26 19:21:36.555
 I0414 19:21:36.555879 3991406 discovery.go:214] Invalidating discovery information
 I0414 19:21:40.415428 3991406 client.go:293] configPath is now "/tmp/configfile3967033839"
 I0414 19:21:40.415523 3991406 client.go:368] The user is now "e2e-test-node-swap-xt9tt-user"
 I0414 19:21:40.415558 3991406 client.go:370] Creating project "e2e-test-node-swap-xt9tt"
 I0414 19:21:40.725881 3991406 client.go:378] Waiting on permissions in project "e2e-test-node-swap-xt9tt" ...
 I0414 19:21:42.524172 3991406 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:21:42.761720 3991406 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:21:43.781996 3991406 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:21:44.395178 3991406 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:21:45.499321 3991406 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:21:46.033519 3991406 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:21:46.669801 3991406 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:21:47.878286 3991406 client.go:465] Project "e2e-test-node-swap-xt9tt" has been fully provisioned.
 I0414 19:21:48.430752 3991406 framework.go:2333] microshift-version configmap not found
   STEP: Getting worker nodes @ 04/14/26 19:21:48.43
   STEP: Validating kubelet configuration on each worker node @ 04/14/26 19:21:49.108
   STEP: Checking failSwapOn=false on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343507 3991406 node_swap.go:63] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343558 3991406 node_swap.go:68] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636485 3991406 node_swap.go:63] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636554 3991406 node_swap.go:68] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925603 3991406 node_swap.go:63] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925677 3991406 node_swap.go:68] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Getting control plane nodes @ 04/14/26 19:21:50.336
   STEP: Validating kubelet configuration on each control plane node @ 04/14/26 19:21:50.577
   STEP: Checking failSwapOn=true on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156409 3991406 node_swap.go:89] Control plane node ip-10-0-25-149.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156525 3991406 node_swap.go:94] Control plane node ip-10-0-25-149.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566285 3991406 node_swap.go:89] Control plane node ip-10-0-54-138.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566407 3991406 node_swap.go:94] Control plane node ip-10-0-54-138.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.975962 3991406 node_swap.go:89] Control plane node ip-10-0-69-42.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.976024 3991406 node_swap.go:94] Control plane node ip-10-0-69-42.ec2.internal: swapBehavior=NoSwap ✓
 I0414 19:21:51.976047 3991406 node_swap.go:99] Test PASSED: All nodes have correct default swap settings
 I0414 19:21:52.386301 3991406 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-xt9tt-user}, err: <nil>
 I0414 19:21:52.613623 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-xt9tt}, err: <nil>
 I0414 19:21:52.839747 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~HdnIySSD7ghCVM_QEl-XJE2UtFoVAdBwho8zM7NqWnA}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-xt9tt" for this suite. @ 04/14/26 19:21:52.839
 • [16.652 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 16.653 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

 [Jira:Node][sig-node] Node non-cnv swap configuration should reject user override of swap settings via KubeletConfig API [OCP-86395] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:102
   STEP: Creating a kubernetes client @ 04/14/26 19:22:53.423
 I0414 19:22:53.423849 3992054 discovery.go:214] Invalidating discovery information
 I0414 19:22:56.909791 3992054 client.go:293] configPath is now "/tmp/configfile168559043"
 I0414 19:22:56.909846 3992054 client.go:368] The user is now "e2e-test-node-swap-7pm4k-user"
 I0414 19:22:56.909866 3992054 client.go:370] Creating project "e2e-test-node-swap-7pm4k"
 I0414 19:22:57.317837 3992054 client.go:378] Waiting on permissions in project "e2e-test-node-swap-7pm4k" ...
 I0414 19:22:58.535678 3992054 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:22:58.770280 3992054 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:22:59.478424 3992054 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:23:00.053259 3992054 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:23:00.786159 3992054 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:23:01.997147 3992054 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:23:02.837252 3992054 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:23:04.062269 3992054 client.go:465] Project "e2e-test-node-swap-7pm4k" has been fully provisioned.
 I0414 19:23:04.308157 3992054 framework.go:2333] microshift-version configmap not found
   STEP: Creating machine config client @ 04/14/26 19:23:04.542
   STEP: Getting initial machine config resourceVersion @ 04/14/26 19:23:04.543
 I0414 19:23:05.100440 3992054 node_swap.go:119] Initial 98-worker-generated-kubelet resourceVersion: 8552
   STEP: Creating a KubeletConfig with swap settings @ 04/14/26 19:23:05.1
   STEP: Attempting to apply the KubeletConfig @ 04/14/26 19:23:05.1
 I0414 19:23:05.100539 3992054 node_swap.go:145] Creating KubeletConfig with failSwapOn=true and swapBehavior=LimitedSwap
   STEP: Checking KubeletConfig status for expected error message @ 04/14/26 19:23:05.5
 I0414 19:23:07.762558 3992054 node_swap.go:171] Found Failure condition: Error: KubeletConfiguration: failSwapOn is not allowed to be set, but contains: true
   STEP: Verifying machine config was not created or updated @ 04/14/26 19:23:07.762
 I0414 19:23:14.004260 3992054 node_swap.go:189] Verified: 98-worker-generated-kubelet was not updated (resourceVersion: 8552)
   STEP: Verifying worker nodes still have correct swap settings @ 04/14/26 19:23:14.004
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711851 3992054 node_swap.go:206] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711983 3992054 node_swap.go:211] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191816 3992054 node_swap.go:206] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191887 3992054 node_swap.go:211] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533312 3992054 node_swap.go:206] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533466 3992054 node_swap.go:211] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
 I0414 19:23:15.533515 3992054 node_swap.go:214] Test PASSED: KubeletConfig with failSwapOn was properly rejected
 I0414 19:23:16.352477 3992054 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-7pm4k-user}, err: <nil>
 I0414 19:23:16.761089 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-7pm4k}, err: <nil>
 I0414 19:23:17.001677 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~ijs3FEAbnjosYANLVAyMHdYzezb6eSWTFaowEzxxzjI}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-7pm4k" for this suite. @ 04/14/26 19:23:17.001
 • [23.961 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 23.961 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

CNV testcases (Suite:openshift/disruptive-longrunning)

started: 0/1/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
passed: (8m13s) 2026-04-14T11:53:58 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
started: 0/2/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
passed: (7m21s) 2026-04-14T12:01:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
started: 0/3/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
passed: (6m39s) 2026-04-14T12:08:14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
started: 0/4/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
passed: (7m6s) 2026-04-14T12:15:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
started: 0/5/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
passed: (5m58s) 2026-04-14T12:21:45 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
started: 0/6/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
passed: (7m5s) 2026-04-14T12:28:54 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
started: 0/7/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
passed: (8m52s) 2026-04-14T12:38:02 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
started: 0/8/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
passed: (6m10s) 2026-04-14T12:44:19 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
started: 0/9/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
passed: (6m9s) 2026-04-14T12:50:35 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
started: 0/10/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
passed: (7m54s) 2026-04-14T12:58:38 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
started: 0/11/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
passed: (5m57s) 2026-04-14T13:04:40 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
started: 0/12/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
passed: (6m54s) 2026-04-14T13:11:39 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
started: 0/13/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
passed: (6m4s) 2026-04-14T13:17:47 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
started: 0/14/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"
passed: (6m8s) 2026-04-14T13:24:00 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"

Depends on PR: #30976 and openshift/release#77488

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BhargaviGudi commented Apr 14, 2026

/verified by @BhargaviGudi

@BhargaviGudi BhargaviGudi changed the title WIP OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 OCPBUGS-81638: Manual cherry-pick node swap feature testcases to 4.21 Apr 14, 2026
@openshift-ci openshift-ci bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Apr 14, 2026
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openshift-ci-robot commented Apr 14, 2026

@BhargaviGudi: This PR has been marked as verified by @BhargaviGudi.

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/verified by @BhargaviGudi

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BhargaviGudi commented Apr 14, 2026

@cpmeadors and @ngopalak-redhat Could you please help to review this PR? Thanks
Tests were executed locally on 4.21.0-0.nightly-2026-04-13-184348, and the entire suite completed successfully with all tests passing. I’ve added the details to the description.

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openshift-ci-robot commented Apr 14, 2026

@BhargaviGudi: This pull request references Jira Issue OCPBUGS-81638, which is valid.

7 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (4.21.z) matches configured target version for branch (4.21.z)
  • bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)
  • release note text is set and does not match the template
  • dependent bug Jira Issue OCPBUGS-82197 is in the state Closed (Done), which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
  • dependent Jira Issue OCPBUGS-82197 targets the "4.22.0" version, which is one of the valid target versions: 4.22.0
  • bug has dependents

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

Tests were executed locally on 4.21.0-0.nightly-2026-04-13-184348, and the entire suite completed successfully with all tests passing.
Non-cnv testcases

 [Jira:Node][sig-node] Node non-cnv swap configuration should have correct default kubelet swap settings with worker nodes failSwapOn=false, control plane nodes failSwapOn=true, and both swapBehavior=NoSwap [OCP-86394] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:46
   STEP: Creating a kubernetes client @ 04/14/26 19:21:36.555
 I0414 19:21:36.555879 3991406 discovery.go:214] Invalidating discovery information
 I0414 19:21:40.415428 3991406 client.go:293] configPath is now "/tmp/configfile3967033839"
 I0414 19:21:40.415523 3991406 client.go:368] The user is now "e2e-test-node-swap-xt9tt-user"
 I0414 19:21:40.415558 3991406 client.go:370] Creating project "e2e-test-node-swap-xt9tt"
 I0414 19:21:40.725881 3991406 client.go:378] Waiting on permissions in project "e2e-test-node-swap-xt9tt" ...
 I0414 19:21:42.524172 3991406 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:21:42.761720 3991406 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:21:43.781996 3991406 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:21:44.395178 3991406 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:21:45.499321 3991406 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:21:46.033519 3991406 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:21:46.669801 3991406 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:21:47.878286 3991406 client.go:465] Project "e2e-test-node-swap-xt9tt" has been fully provisioned.
 I0414 19:21:48.430752 3991406 framework.go:2333] microshift-version configmap not found
   STEP: Getting worker nodes @ 04/14/26 19:21:48.43
   STEP: Validating kubelet configuration on each worker node @ 04/14/26 19:21:49.108
   STEP: Checking failSwapOn=false on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343507 3991406 node_swap.go:63] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343558 3991406 node_swap.go:68] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636485 3991406 node_swap.go:63] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636554 3991406 node_swap.go:68] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925603 3991406 node_swap.go:63] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925677 3991406 node_swap.go:68] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Getting control plane nodes @ 04/14/26 19:21:50.336
   STEP: Validating kubelet configuration on each control plane node @ 04/14/26 19:21:50.577
   STEP: Checking failSwapOn=true on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156409 3991406 node_swap.go:89] Control plane node ip-10-0-25-149.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156525 3991406 node_swap.go:94] Control plane node ip-10-0-25-149.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566285 3991406 node_swap.go:89] Control plane node ip-10-0-54-138.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566407 3991406 node_swap.go:94] Control plane node ip-10-0-54-138.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.975962 3991406 node_swap.go:89] Control plane node ip-10-0-69-42.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.976024 3991406 node_swap.go:94] Control plane node ip-10-0-69-42.ec2.internal: swapBehavior=NoSwap ✓
 I0414 19:21:51.976047 3991406 node_swap.go:99] Test PASSED: All nodes have correct default swap settings
 I0414 19:21:52.386301 3991406 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-xt9tt-user}, err: <nil>
 I0414 19:21:52.613623 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-xt9tt}, err: <nil>
 I0414 19:21:52.839747 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~HdnIySSD7ghCVM_QEl-XJE2UtFoVAdBwho8zM7NqWnA}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-xt9tt" for this suite. @ 04/14/26 19:21:52.839
 • [16.652 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 16.653 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

 [Jira:Node][sig-node] Node non-cnv swap configuration should reject user override of swap settings via KubeletConfig API [OCP-86395] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:102
   STEP: Creating a kubernetes client @ 04/14/26 19:22:53.423
 I0414 19:22:53.423849 3992054 discovery.go:214] Invalidating discovery information
 I0414 19:22:56.909791 3992054 client.go:293] configPath is now "/tmp/configfile168559043"
 I0414 19:22:56.909846 3992054 client.go:368] The user is now "e2e-test-node-swap-7pm4k-user"
 I0414 19:22:56.909866 3992054 client.go:370] Creating project "e2e-test-node-swap-7pm4k"
 I0414 19:22:57.317837 3992054 client.go:378] Waiting on permissions in project "e2e-test-node-swap-7pm4k" ...
 I0414 19:22:58.535678 3992054 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:22:58.770280 3992054 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:22:59.478424 3992054 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:23:00.053259 3992054 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:23:00.786159 3992054 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:23:01.997147 3992054 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:23:02.837252 3992054 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:23:04.062269 3992054 client.go:465] Project "e2e-test-node-swap-7pm4k" has been fully provisioned.
 I0414 19:23:04.308157 3992054 framework.go:2333] microshift-version configmap not found
   STEP: Creating machine config client @ 04/14/26 19:23:04.542
   STEP: Getting initial machine config resourceVersion @ 04/14/26 19:23:04.543
 I0414 19:23:05.100440 3992054 node_swap.go:119] Initial 98-worker-generated-kubelet resourceVersion: 8552
   STEP: Creating a KubeletConfig with swap settings @ 04/14/26 19:23:05.1
   STEP: Attempting to apply the KubeletConfig @ 04/14/26 19:23:05.1
 I0414 19:23:05.100539 3992054 node_swap.go:145] Creating KubeletConfig with failSwapOn=true and swapBehavior=LimitedSwap
   STEP: Checking KubeletConfig status for expected error message @ 04/14/26 19:23:05.5
 I0414 19:23:07.762558 3992054 node_swap.go:171] Found Failure condition: Error: KubeletConfiguration: failSwapOn is not allowed to be set, but contains: true
   STEP: Verifying machine config was not created or updated @ 04/14/26 19:23:07.762
 I0414 19:23:14.004260 3992054 node_swap.go:189] Verified: 98-worker-generated-kubelet was not updated (resourceVersion: 8552)
   STEP: Verifying worker nodes still have correct swap settings @ 04/14/26 19:23:14.004
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711851 3992054 node_swap.go:206] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711983 3992054 node_swap.go:211] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191816 3992054 node_swap.go:206] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191887 3992054 node_swap.go:211] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533312 3992054 node_swap.go:206] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533466 3992054 node_swap.go:211] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
 I0414 19:23:15.533515 3992054 node_swap.go:214] Test PASSED: KubeletConfig with failSwapOn was properly rejected
 I0414 19:23:16.352477 3992054 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-7pm4k-user}, err: <nil>
 I0414 19:23:16.761089 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-7pm4k}, err: <nil>
 I0414 19:23:17.001677 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~ijs3FEAbnjosYANLVAyMHdYzezb6eSWTFaowEzxxzjI}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-7pm4k" for this suite. @ 04/14/26 19:23:17.001
 • [23.961 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 23.961 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

CNV testcases (Suite:openshift/disruptive-longrunning)

started: 0/1/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
passed: (8m13s) 2026-04-14T11:53:58 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
started: 0/2/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
passed: (7m21s) 2026-04-14T12:01:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
started: 0/3/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
passed: (6m39s) 2026-04-14T12:08:14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
started: 0/4/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
passed: (7m6s) 2026-04-14T12:15:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
started: 0/5/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
passed: (5m58s) 2026-04-14T12:21:45 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
started: 0/6/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
passed: (7m5s) 2026-04-14T12:28:54 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
started: 0/7/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
passed: (8m52s) 2026-04-14T12:38:02 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
started: 0/8/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
passed: (6m10s) 2026-04-14T12:44:19 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
started: 0/9/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
passed: (6m9s) 2026-04-14T12:50:35 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
started: 0/10/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
passed: (7m54s) 2026-04-14T12:58:38 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
started: 0/11/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
passed: (5m57s) 2026-04-14T13:04:40 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
started: 0/12/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
passed: (6m54s) 2026-04-14T13:11:39 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
started: 0/13/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
passed: (6m4s) 2026-04-14T13:17:47 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
started: 0/14/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"
passed: (6m8s) 2026-04-14T13:24:00 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"

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cpmeadors commented Apr 14, 2026

/lgtm

@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label Apr 14, 2026
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BhargaviGudi commented Apr 15, 2026

/payload-job periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-disruptive-longrunning

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openshift-ci bot commented Apr 15, 2026

@BhargaviGudi: trigger 1 job(s) for the /payload-(with-prs|job|aggregate|job-with-prs|aggregate-with-prs) command

  • periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-disruptive-longrunning

See details on https://pr-payload-tests.ci.openshift.org/runs/ci/b21c1ff0-389b-11f1-97f9-f3c95ae5ea67-0

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BhargaviGudi commented Apr 15, 2026 •
edited
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All node swap CNV test cases passed successfully in periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-disruptive-longrunning

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smg247 commented Apr 15, 2026

/approve

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openshift-ci bot commented Apr 15, 2026

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BhargaviGudi, cpmeadors, smg247

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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 Apr 15, 2026
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openshift-ci bot commented Apr 15, 2026

@BhargaviGudi: all tests passed!

Full PR test history. Your PR dashboard.

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@openshift-merge-bot openshift-merge-bot bot merged commit 3437949 into openshift:release-4.21 Apr 15, 2026
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openshift-ci-robot commented Apr 15, 2026

@BhargaviGudi: Jira Issue Verification Checks: Jira Issue OCPBUGS-81638
✔️ This pull request was pre-merge verified.
✔️ All associated pull requests have merged.
✔️ All associated, merged pull requests were pre-merge verified.

Jira Issue OCPBUGS-81638 has been moved to the MODIFIED state and will move to the VERIFIED state when the change is available in an accepted nightly payload. 🕓

Details

In response to this:

Manual cherry-pick: Node swap feature testcases to 4.21

This is a manual cherry-pick of node swap feature test cases to the 4.21 release branch.

Original PRs

Note

This cherry-pick required adding the skipOnSingleNodeTopology() helper function which was not present in the 4.21 branch but is needed by the CNV testcases being cherry-picked.

Tests were executed locally on 4.21.0-0.nightly-2026-04-13-184348, and the entire suite completed successfully with all tests passing.
Non-cnv testcases

 [Jira:Node][sig-node] Node non-cnv swap configuration should have correct default kubelet swap settings with worker nodes failSwapOn=false, control plane nodes failSwapOn=true, and both swapBehavior=NoSwap [OCP-86394] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:46
   STEP: Creating a kubernetes client @ 04/14/26 19:21:36.555
 I0414 19:21:36.555879 3991406 discovery.go:214] Invalidating discovery information
 I0414 19:21:40.415428 3991406 client.go:293] configPath is now "/tmp/configfile3967033839"
 I0414 19:21:40.415523 3991406 client.go:368] The user is now "e2e-test-node-swap-xt9tt-user"
 I0414 19:21:40.415558 3991406 client.go:370] Creating project "e2e-test-node-swap-xt9tt"
 I0414 19:21:40.725881 3991406 client.go:378] Waiting on permissions in project "e2e-test-node-swap-xt9tt" ...
 I0414 19:21:42.524172 3991406 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:21:42.761720 3991406 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:21:43.781996 3991406 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:21:44.395178 3991406 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:21:45.499321 3991406 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:21:46.033519 3991406 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:21:46.669801 3991406 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:21:47.878286 3991406 client.go:465] Project "e2e-test-node-swap-xt9tt" has been fully provisioned.
 I0414 19:21:48.430752 3991406 framework.go:2333] microshift-version configmap not found
   STEP: Getting worker nodes @ 04/14/26 19:21:48.43
   STEP: Validating kubelet configuration on each worker node @ 04/14/26 19:21:49.108
   STEP: Checking failSwapOn=false on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343507 3991406 node_swap.go:63] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:21:49.343
 I0414 19:21:49.343558 3991406 node_swap.go:68] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636485 3991406 node_swap.go:63] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:21:49.636
 I0414 19:21:49.636554 3991406 node_swap.go:68] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=false on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925603 3991406 node_swap.go:63] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false ✓
   STEP: Checking swapBehavior=NoSwap on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:21:49.925
 I0414 19:21:49.925677 3991406 node_swap.go:68] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Getting control plane nodes @ 04/14/26 19:21:50.336
   STEP: Validating kubelet configuration on each control plane node @ 04/14/26 19:21:50.577
   STEP: Checking failSwapOn=true on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156409 3991406 node_swap.go:89] Control plane node ip-10-0-25-149.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-25-149.ec2.internal @ 04/14/26 19:21:51.156
 I0414 19:21:51.156525 3991406 node_swap.go:94] Control plane node ip-10-0-25-149.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566285 3991406 node_swap.go:89] Control plane node ip-10-0-54-138.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-54-138.ec2.internal @ 04/14/26 19:21:51.566
 I0414 19:21:51.566407 3991406 node_swap.go:94] Control plane node ip-10-0-54-138.ec2.internal: swapBehavior=NoSwap ✓
   STEP: Checking failSwapOn=true on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.975962 3991406 node_swap.go:89] Control plane node ip-10-0-69-42.ec2.internal: failSwapOn=true ✓
   STEP: Checking swapBehavior=NoSwap on control plane node ip-10-0-69-42.ec2.internal @ 04/14/26 19:21:51.975
 I0414 19:21:51.976024 3991406 node_swap.go:94] Control plane node ip-10-0-69-42.ec2.internal: swapBehavior=NoSwap ✓
 I0414 19:21:51.976047 3991406 node_swap.go:99] Test PASSED: All nodes have correct default swap settings
 I0414 19:21:52.386301 3991406 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-xt9tt-user}, err: <nil>
 I0414 19:21:52.613623 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-xt9tt}, err: <nil>
 I0414 19:21:52.839747 3991406 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~HdnIySSD7ghCVM_QEl-XJE2UtFoVAdBwho8zM7NqWnA}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-xt9tt" for this suite. @ 04/14/26 19:21:52.839
 • [16.652 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 16.653 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

 [Jira:Node][sig-node] Node non-cnv swap configuration should reject user override of swap settings via KubeletConfig API [OCP-86395] [Lifecycle:informing]
 github.com/openshift/origin/test/extended/node/node_swap.go:102
   STEP: Creating a kubernetes client @ 04/14/26 19:22:53.423
 I0414 19:22:53.423849 3992054 discovery.go:214] Invalidating discovery information
 I0414 19:22:56.909791 3992054 client.go:293] configPath is now "/tmp/configfile168559043"
 I0414 19:22:56.909846 3992054 client.go:368] The user is now "e2e-test-node-swap-7pm4k-user"
 I0414 19:22:56.909866 3992054 client.go:370] Creating project "e2e-test-node-swap-7pm4k"
 I0414 19:22:57.317837 3992054 client.go:378] Waiting on permissions in project "e2e-test-node-swap-7pm4k" ...
 I0414 19:22:58.535678 3992054 client.go:407] DeploymentConfig capability is enabled, adding 'deployer' SA to the list of default SAs
 I0414 19:22:58.770280 3992054 client.go:422] Waiting for ServiceAccount "default" to be provisioned...
 I0414 19:22:59.478424 3992054 client.go:422] Waiting for ServiceAccount "builder" to be provisioned...
 I0414 19:23:00.053259 3992054 client.go:422] Waiting for ServiceAccount "deployer" to be provisioned...
 I0414 19:23:00.786159 3992054 client.go:432] Waiting for RoleBinding "system:image-pullers" to be provisioned...
 I0414 19:23:01.997147 3992054 client.go:432] Waiting for RoleBinding "system:image-builders" to be provisioned...
 I0414 19:23:02.837252 3992054 client.go:432] Waiting for RoleBinding "system:deployers" to be provisioned...
 I0414 19:23:04.062269 3992054 client.go:465] Project "e2e-test-node-swap-7pm4k" has been fully provisioned.
 I0414 19:23:04.308157 3992054 framework.go:2333] microshift-version configmap not found
   STEP: Creating machine config client @ 04/14/26 19:23:04.542
   STEP: Getting initial machine config resourceVersion @ 04/14/26 19:23:04.543
 I0414 19:23:05.100440 3992054 node_swap.go:119] Initial 98-worker-generated-kubelet resourceVersion: 8552
   STEP: Creating a KubeletConfig with swap settings @ 04/14/26 19:23:05.1
   STEP: Attempting to apply the KubeletConfig @ 04/14/26 19:23:05.1
 I0414 19:23:05.100539 3992054 node_swap.go:145] Creating KubeletConfig with failSwapOn=true and swapBehavior=LimitedSwap
   STEP: Checking KubeletConfig status for expected error message @ 04/14/26 19:23:05.5
 I0414 19:23:07.762558 3992054 node_swap.go:171] Found Failure condition: Error: KubeletConfiguration: failSwapOn is not allowed to be set, but contains: true
   STEP: Verifying machine config was not created or updated @ 04/14/26 19:23:07.762
 I0414 19:23:14.004260 3992054 node_swap.go:189] Verified: 98-worker-generated-kubelet was not updated (resourceVersion: 8552)
   STEP: Verifying worker nodes still have correct swap settings @ 04/14/26 19:23:14.004
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711851 3992054 node_swap.go:206] Worker node ip-10-0-103-33.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-103-33.ec2.internal @ 04/14/26 19:23:14.711
 I0414 19:23:14.711983 3992054 node_swap.go:211] Worker node ip-10-0-103-33.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191816 3992054 node_swap.go:206] Worker node ip-10-0-137-87.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-137-87.ec2.internal @ 04/14/26 19:23:15.191
 I0414 19:23:15.191887 3992054 node_swap.go:211] Worker node ip-10-0-137-87.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
   STEP: Verifying failSwapOn=false remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533312 3992054 node_swap.go:206] Worker node ip-10-0-27-111.ec2.internal: failSwapOn=false (unchanged) ✓
   STEP: Verifying swapBehavior=NoSwap remains unchanged on worker node ip-10-0-27-111.ec2.internal @ 04/14/26 19:23:15.533
 I0414 19:23:15.533466 3992054 node_swap.go:211] Worker node ip-10-0-27-111.ec2.internal: swapBehavior=NoSwap (unchanged) ✓
 I0414 19:23:15.533515 3992054 node_swap.go:214] Test PASSED: KubeletConfig with failSwapOn was properly rejected
 I0414 19:23:16.352477 3992054 client.go:681] Deleted {user.openshift.io/v1, Resource=users  e2e-test-node-swap-7pm4k-user}, err: <nil>
 I0414 19:23:16.761089 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthclients  e2e-client-e2e-test-node-swap-7pm4k}, err: <nil>
 I0414 19:23:17.001677 3992054 client.go:681] Deleted {oauth.openshift.io/v1, Resource=oauthaccesstokens  sha256~ijs3FEAbnjosYANLVAyMHdYzezb6eSWTFaowEzxxzjI}, err: <nil>
   STEP: Destroying namespace "e2e-test-node-swap-7pm4k" for this suite. @ 04/14/26 19:23:17.001
 • [23.961 seconds]
 ------------------------------

 Ran 1 of 1 Specs in 23.961 seconds
 SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 0 Skipped

CNV testcases (Suite:openshift/disruptive-longrunning)

started: 0/1/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
passed: (8m13s) 2026-04-14T11:53:58 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC2: should verify kubelet starts normally with empty directory"
started: 0/2/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
passed: (7m21s) 2026-04-14T12:01:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC5: should verify control plane kubelets ignore drop-in config"
started: 0/3/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
passed: (6m39s) 2026-04-14T12:08:14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC10: should apply correct precedence with multiple files"
started: 0/4/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
passed: (7m6s) 2026-04-14T12:15:28 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC14: should expose swap metrics correctly via Prometheus"
started: 0/5/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
passed: (5m58s) 2026-04-14T12:21:45 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC9: should verify non-CNV workers have no swap configuration"
started: 0/6/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
passed: (7m5s) 2026-04-14T12:28:54 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC12: should handle LimitedSwap config gracefully when OS swap is disabled"
started: 0/7/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
passed: (8m52s) 2026-04-14T12:38:02 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC11: should maintain consistent configuration with checksum verification across CNV nodes"
started: 0/8/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
passed: (6m10s) 2026-04-14T12:44:19 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC7: should validate security and permissions of drop-in directory"
started: 0/9/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
passed: (6m9s) 2026-04-14T12:50:35 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC4: should revert to NoSwap when drop-in file is removed"
started: 0/10/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
passed: (7m54s) 2026-04-14T12:58:38 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC13: should work correctly with various swap sizes"
started: 0/11/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
passed: (5m57s) 2026-04-14T13:04:40 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC3: should apply LimitedSwap configuration from drop-in file"
started: 0/12/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
passed: (6m54s) 2026-04-14T13:11:39 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC8: should verify cluster stability with LimitedSwap enabled"
started: 0/13/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
passed: (6m4s) 2026-04-14T13:17:47 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC1: should verify silent creation and ownership of drop-in directory on CNV nodes"
started: 0/14/14 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"
passed: (6m8s) 2026-04-14T13:24:00 "[Jira:Node/Kubelet][sig-node][Feature:NodeSwap][Serial][Disruptive][Suite:openshift/disruptive-longrunning] Kubelet LimitedSwap Drop-in Configuration for CNV TC6: should verify drop-in directory is auto-recreated after deletion"

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@BhargaviGudi @openshift-ci-robot @cpmeadors @smg247