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import json
import os
import pathlib
from uuid import uuid4
import pytest
from pycloudlib.lxd.instance import LXDInstance
from cloudinit.subp import subp
from tests.integration_tests.instances import IntegrationInstance
from tests.integration_tests.integration_settings import PLATFORM
from tests.integration_tests.releases import IS_UBUNTU
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.skipif(not IS_UBUNTU, reason="Only ever tested on Ubuntu")
@pytest.mark.skipif(
PLATFORM != "lxd_vm", reason="Test requires additional mounted device"
)
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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