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import os
import pytest
import pathlib
import json
from uuid import uuid4
from pycloudlib.lxd.instance import LXDInstance
from cloudinit.subp import subp
from tests.integration_tests.instances import IntegrationInstance
DISK_PATH = '/tmp/test_disk_setup_{}'.format(uuid4())
def setup_and_mount_lxd_disk(instance: LXDInstance):
subp('lxc config device add {} test-disk-setup-disk disk source={}'.format(
instance.name, DISK_PATH).split())
@pytest.fixture(scope='class', autouse=True)
def create_disk():
"""Create 16M sparse file"""
pathlib.Path(DISK_PATH).touch()
os.truncate(DISK_PATH, 1 << 24)
yield
os.remove(DISK_PATH)
# Create undersized partition in bootcmd
ALIAS_USERDATA = """\
#cloud-config
bootcmd:
- parted /dev/sdb --script \
mklabel gpt \
mkpart primary 0 1MiB
- parted /dev/sdb --script print
growpart:
devices:
- "/"
- "/dev/sdb1"
runcmd:
- parted /dev/sdb --script print
"""
@pytest.mark.user_data(ALIAS_USERDATA)
@pytest.mark.lxd_setup.with_args(setup_and_mount_lxd_disk)
@pytest.mark.ubuntu
@pytest.mark.lxd_vm
class TestGrowPart:
"""Test growpart"""
def test_grow_part(self, client: IntegrationInstance):
"""Verify """
log = client.read_from_file('/var/log/cloud-init.log')
assert ("cc_growpart.py[INFO]: '/dev/sdb1' resized:"
" changed (/dev/sdb, 1) from") in log
lsblk = json.loads(client.execute('lsblk --json'))
sdb = [x for x in lsblk['blockdevices'] if x['name'] == 'sdb'][0]
assert len(sdb['children']) == 1
assert sdb['children'][0]['name'] == 'sdb1'
assert sdb['size'] == '16M'
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