[Test] In test_patching_cluster, reduce the risk of ICEs and facilitate troubleshooting - #7525

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gmarciani wants to merge 9 commits into

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gmarciani:wip/mgiacomo/3160/fix-tests-patching-0804-1

Commits on Aug 6, 2026

[Test] In test_patching_cluster, reduce the risk of ICEs by using c5.xlarge for hea dnode and login nodes rather than GPU instances.
gmarciani
committed
7518db1
[Test] In test_patching_cluster, print the full ImageBuilder log when the patching fails to facilitate troubleshooting.
gmarciani
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1472dae
[Test] Add `UBUNTU_` OS group for test OS rotation.
gmarciani
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c67b4a3
[Test] In test_patching_cluster, increase the timeout for patching the head node to 3600s (from 1800s)
gmarciani
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97b7d07
[Test] In test_patching_cluster, add capped patching flavours to bound the kernel to Lustre support.
gmarciani
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9b9a791
[Test] Run patching capped on ubuntu/rhel (rotated) and full on al2023, on both develop and released tests.
gmarciani
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36c61ee
[Test] Reduce patching test capacity reservation to 2 instances
gmarciani
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cf2fe90
[Test] Use a c5.4xlarge head node in test_patching_cluster
gmarciani
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ad516c2
[Test] In test_patching_cluster, prevent false positive failures by mod-probing kernel modules that are lazily loaded.
gmarciani
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13828cd