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import json
import pytest
import yaml
from tests.integration_tests.instances import IntegrationInstance
from tests.integration_tests.util import verify_clean_log
def _customize_envionment(client: IntegrationInstance):
client.write_to_file(
'/etc/cloud/cloud.cfg.d/99-detect-lxd.cfg',
'datasource_list: [LXD]\n',
)
client.execute('cloud-init clean --logs')
client.restart()
# This test should be able to work on any cloud whose datasource specifies
# a NETWORK dependency
@pytest.mark.lxd_container
@pytest.mark.lxd_vm
@pytest.mark.ubuntu # Because netplan
def test_lxd_datasource_discovery(client: IntegrationInstance):
"""Test that DataSourceLXD is detected instead of NoCloud."""
_customize_envionment(client)
nic_dev = "enp5s0" if client.settings.PLATFORM == "lxd_vm" else "eth0"
result = client.execute('cloud-init status --long')
if not result.ok:
raise AssertionError('cloud-init failed:\n%s', result.stderr)
if "DataSourceLXD" not in result.stdout:
raise AssertionError(
'cloud-init did not discover DataSourceLXD', result.stdout
)
netplan_yaml = client.execute('cat /etc/netplan/50-cloud-init.yaml')
netplan_cfg = yaml.safe_load(netplan_yaml)
assert {
'network': {'ethernets': {nic_dev: {'dhcp4': True}}, 'version': 2}
} == netplan_cfg
log = client.read_from_file('/var/log/cloud-init.log')
verify_clean_log(log)
result = client.execute('cloud-id')
if result.stdout != "lxd":
raise AssertionError(
"cloud-id didn't report lxd. Result: %s", result.stdout
)
# Validate config instance data represented
data = json.loads(client.read_from_file(
'/run/cloud-init/instance-data.json')
)
v1 = data["v1"]
ds_cfg = data["ds"]
assert "lxd" == v1["platform"]
assert "LXD socket API v. 1.0 (/dev/lxd/sock)" == v1["subplatform"]
ds_cfg = json.loads(client.execute('cloud-init query ds').stdout)
assert ["config", "meta_data"] == sorted(list(ds_cfg["1.0"].keys()))
assert ["user.meta_data"] == list(ds_cfg["1.0"]["config"].keys())
assert {"public-keys": v1["public_ssh_keys"][0]} == (
yaml.safe_load(ds_cfg["1.0"]["config"]["user.meta_data"])
)
assert (
"#cloud-config\ninstance-id" in ds_cfg["1.0"]["meta_data"]
)
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