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Merge pull request #3000 from kolyshkin/test-dev-update
libct/int: add device update test
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@@ -648,29 +648,3 @@ EOF
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runc resume test_update
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[ "$status" -eq 0 ]
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}
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@test "runc update replaces devices cgroup program" {
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[[ "$ROOTLESS" -ne 0 ]] && requires rootless_cgroup
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# Unfortunately we can't update device rules directly with runc ("runc
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# update" doesn't support it, and adding support would require ironing out
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# some long-standing design issues with device configuration). So instead
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# we just run "runc update" many times, relying on the fact that runc will
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# re-apply devices cgroup rules on each runc update.
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#
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# In the past runc would not delete old cgroupv2 eBPF programs, so this
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# test ensures that once we go past the program limit (64 stacked programs
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# at time of writing) you can still run "runc" update.
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# Run the container in the background.
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runc run -d --console-socket "$CONSOLE_SOCKET" test_update
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[ "$status" -eq 0 ]
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for new_limit in $(seq 300); do
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runc update --pids-limit "$((2 * new_limit))" test_update
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[ "$status" -eq 0 ]
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done
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# The container should still be running.
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testcontainer test_update running
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}
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