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import pytest
from tests.integration_tests.instances import IntegrationInstance
@pytest.mark.lxd_vm
@pytest.mark.lxd_use_exec
def test_lxd_datasource_kernel_override(client: IntegrationInstance):
"""This test is twofold: it tests kernel commandline override, which also
validates OpenStack Ironic requirements. OpenStack Ironic does not
advertise itself to cloud-init via any of the conventional methods: DMI,
etc.
On systemd, ds-identify is able to grok kernel commandline, however to
support cloud-init kernel command line parsing on non-systemd, parsing
kernel commandline in Python code is required.
This test runs on LXD, but forces cloud-init to attempt to run OpenStack.
This will inevitably fail on LXD, but we only care that it tried - on
Ironic it will succeed.
Configure grub's kernel command line to tell cloud-init to use OpenStack
- even though LXD should naturally be detected.
"""
client.execute(
"sed --in-place "
'\'s/^.*GRUB_CMDLINE_LINUX=.*$/GRUB_CMDLINE_LINUX="ci.ds=OpenStack"/g'
"' /etc/default/grub"
)
# We should probably include non-systemd distros at some point. This should
# most likely be as simple as updating the output path for grub-mkconfig
client.execute("grub-mkconfig -o /boot/efi/EFI/ubuntu/grub.cfg")
client.execute("cloud-init clean --logs")
client.instance.shutdown()
client.instance.execute_via_ssh = False
client.instance.start()
client.execute("cloud-init status --wait")
log = client.execute("cat /var/log/cloud-init.log")
assert (
"Machine is configured by the kernel commandline to run on single "
"datasource DataSourceOpenStackLocal"
) in log
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