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rh_kselftests_vm: kernel selftests execution in guest
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Creates a new test case that executes the kernel selftests
inside the VM through the RPM that has been previously downloaded
and installed. Could be expanded with more tests in the future.

Signed-off-by: mcasquer <[email protected]>
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mcasquer committed Sep 24, 2024
1 parent cec3e30 commit 4994517
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12 changes: 12 additions & 0 deletions qemu/tests/cfg/rh_kselftests_vm.cfg
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- rh_kselftests_vm:
only RHEL
type = rh_kselftests_vm
virt_test_type = qemu
kernel_path = "/tmp/kernel"
kselftests_path = "/usr/libexec/kselftests"
variants:
- mm:
s390x:
kvm_module_parameters = 'hpage=1'
setup_hugepages = yes
tests_execution_cmd = "cd ${kselftests_path}/mm && sh run_vmtests.sh -t hugetlb"
48 changes: 48 additions & 0 deletions qemu/tests/rh_kselftests_vm.py
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from avocado.core import exceptions

from virttest import error_context


@error_context.context_aware
def run(test, params, env):
"""
rh_kselftests_vm test
1) Download the current kernel selftests RPM
2) Install the RPM
3) Execute the kernel selftests
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment
"""
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
session = vm.wait_for_login()
kernel_path = params.get("kernel_path", "/tmp/kernel")
tests_execution_cmd = params.get("tests_execution_cmd")

session.cmd("mkdir -p %s" % kernel_path)
kernel_version = session.cmd_output("uname -r").strip().split("+")[0]
error_context.base_context("The kernel version: %s" % kernel_version, test.log.info)

error_context.context("Download the kernel selftests RPM", test.log.debug)
session.cmd("cd %s" % kernel_path)
session.cmd(
"brew download-build --rpm kernel-selftests-internal-%s.rpm" % kernel_version,
180,
)

error_context.context("Install the RPM", test.log.debug)
session.cmd("dnf install -y ./kernel-*")

error_context.base_context("Execute the selftests", test.log.info)
s, o = session.cmd_status_output(tests_execution_cmd, 180)

# Exit code for skipped selftests is 4, raise a waring until is fixed
if s == 4:
raise exceptions.TestWarn("Some selftest(s) have been skipped")
elif s != 0:
test.fail("Error during selftests execution: %s" % o)

test.log.info("The selftests results: %s" % o)
error_context.context("Cleaning kernel files", test.log.debug)
session.cmd("rm -rf %s" % kernel_path)

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