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# This file is part of cloud-init. See LICENSE file for license information.
import functools
import os
from unittest import mock
import responses
from cloudinit import helpers
from cloudinit.sources import DataSourceAliYun as ay
from cloudinit.sources.DataSourceEc2 import convert_ec2_metadata_network_config
from tests.unittests import helpers as test_helpers
DEFAULT_METADATA = {
"instance-id": "aliyun-test-vm-00",
"eipv4": "10.0.0.1",
"hostname": "test-hostname",
"image-id": "m-test",
"launch-index": "0",
"mac": "00:16:3e:00:00:00",
"network-type": "vpc",
"private-ipv4": "192.168.0.1",
"serial-number": "test-string",
"vpc-cidr-block": "192.168.0.0/16",
"vpc-id": "test-vpc",
"vswitch-id": "test-vpc",
"vswitch-cidr-block": "192.168.0.0/16",
"zone-id": "test-zone-1",
"ntp-conf": {
"ntp_servers": [
"ntp1.aliyun.com",
"ntp2.aliyun.com",
"ntp3.aliyun.com",
]
},
"source-address": [
"http://mirrors.aliyun.com",
"http://mirrors.aliyuncs.com",
],
"public-keys": {
"key-pair-1": {"openssh-key": "ssh-rsa AAAAB3..."},
"key-pair-2": {"openssh-key": "ssh-rsa AAAAB3..."},
},
}
DEFAULT_USERDATA = """\
#cloud-config
hostname: localhost"""
class TestAliYunDatasource(test_helpers.ResponsesTestCase):
def setUp(self):
super(TestAliYunDatasource, self).setUp()
cfg = {"datasource": {"AliYun": {"timeout": "1", "max_wait": "1"}}}
distro = {}
paths = helpers.Paths({"run_dir": self.tmp_dir()})
self.ds = ay.DataSourceAliYun(cfg, distro, paths)
self.metadata_address = self.ds.metadata_urls[0]
@property
def default_metadata(self):
return DEFAULT_METADATA
@property
def default_userdata(self):
return DEFAULT_USERDATA
@property
def metadata_url(self):
return (
os.path.join(
self.metadata_address,
self.ds.min_metadata_version,
"meta-data",
)
+ "/"
)
@property
def userdata_url(self):
return os.path.join(
self.metadata_address, self.ds.min_metadata_version, "user-data"
)
# EC2 provides an instance-identity document which must return 404 here
# for this test to pass.
@property
def default_identity(self):
return {}
@property
def identity_url(self):
return os.path.join(
self.metadata_address,
self.ds.min_metadata_version,
"dynamic",
"instance-identity",
)
@property
def token_url(self):
return os.path.join(
self.metadata_address,
"latest",
"api",
"token",
)
def register_mock_metaserver(self, base_url, data):
def register_helper(register, base_url, body):
if isinstance(body, str):
register(base_url, body)
elif isinstance(body, list):
register(base_url.rstrip("/"), "\n".join(body) + "\n")
elif isinstance(body, dict):
if not body:
register(
base_url.rstrip("/") + "/", "not found", status=404
)
vals = []
for k, v in body.items():
if isinstance(v, (str, list)):
suffix = k.rstrip("/")
else:
suffix = k.rstrip("/") + "/"
vals.append(suffix)
url = base_url.rstrip("/") + "/" + suffix
register_helper(register, url, v)
register(base_url, "\n".join(vals) + "\n")
register = functools.partial(self.responses.add, responses.GET)
register_helper(register, base_url, data)
def regist_default_server(self):
self.register_mock_metaserver(self.metadata_url, self.default_metadata)
self.register_mock_metaserver(self.userdata_url, self.default_userdata)
self.register_mock_metaserver(self.identity_url, self.default_identity)
self.responses.add(responses.PUT, self.token_url, "API-TOKEN")
def _test_get_data(self):
self.assertEqual(self.ds.metadata, self.default_metadata)
self.assertEqual(
self.ds.userdata_raw, self.default_userdata.encode("utf8")
)
def _test_get_sshkey(self):
pub_keys = [
v["openssh-key"]
for (_, v) in self.default_metadata["public-keys"].items()
]
self.assertEqual(self.ds.get_public_ssh_keys(), pub_keys)
def _test_get_iid(self):
self.assertEqual(
self.default_metadata["instance-id"], self.ds.get_instance_id()
)
def _test_host_name(self):
self.assertEqual(
self.default_metadata["hostname"], self.ds.get_hostname().hostname
)
@mock.patch("cloudinit.sources.DataSourceEc2.util.is_resolvable")
@mock.patch("cloudinit.sources.DataSourceAliYun._is_aliyun")
def test_with_mock_server(self, m_is_aliyun, m_resolv):
m_is_aliyun.return_value = True
self.regist_default_server()
ret = self.ds.get_data()
self.assertEqual(True, ret)
self.assertEqual(1, m_is_aliyun.call_count)
self._test_get_data()
self._test_get_sshkey()
self._test_get_iid()
self._test_host_name()
self.assertEqual("aliyun", self.ds.cloud_name)
self.assertEqual("ec2", self.ds.platform)
self.assertEqual(
"metadata (http://100.100.100.200)", self.ds.subplatform
)
@mock.patch("cloudinit.sources.DataSourceAliYun._is_aliyun")
def test_returns_false_when_not_on_aliyun(self, m_is_aliyun):
"""If is_aliyun returns false, then get_data should return False."""
m_is_aliyun.return_value = False
self.regist_default_server()
ret = self.ds.get_data()
self.assertEqual(1, m_is_aliyun.call_count)
self.assertEqual(False, ret)
def test_parse_public_keys(self):
public_keys = {}
self.assertEqual(ay.parse_public_keys(public_keys), [])
public_keys = {"key-pair-0": "ssh-key-0"}
self.assertEqual(
ay.parse_public_keys(public_keys), [public_keys["key-pair-0"]]
)
public_keys = {"key-pair-0": "ssh-key-0", "key-pair-1": "ssh-key-1"}
self.assertEqual(
set(ay.parse_public_keys(public_keys)),
set([public_keys["key-pair-0"], public_keys["key-pair-1"]]),
)
public_keys = {"key-pair-0": ["ssh-key-0", "ssh-key-1"]}
self.assertEqual(
ay.parse_public_keys(public_keys), public_keys["key-pair-0"]
)
public_keys = {"key-pair-0": {"openssh-key": []}}
self.assertEqual(ay.parse_public_keys(public_keys), [])
public_keys = {"key-pair-0": {"openssh-key": "ssh-key-0"}}
self.assertEqual(
ay.parse_public_keys(public_keys),
[public_keys["key-pair-0"]["openssh-key"]],
)
public_keys = {
"key-pair-0": {"openssh-key": ["ssh-key-0", "ssh-key-1"]}
}
self.assertEqual(
ay.parse_public_keys(public_keys),
public_keys["key-pair-0"]["openssh-key"],
)
def test_route_metric_calculated_without_device_number(self):
"""Test that route-metric code works without `device-number`
`device-number` is part of EC2 metadata, but not supported on aliyun.
Attempting to access it will raise a KeyError.
LP: #1917875
"""
netcfg = convert_ec2_metadata_network_config(
{
"interfaces": {
"macs": {
"06:17:04:d7:26:09": {
"interface-id": "eni-e44ef49e",
},
"06:17:04:d7:26:08": {
"interface-id": "eni-e44ef49f",
},
}
}
},
macs_to_nics={
"06:17:04:d7:26:09": "eth0",
"06:17:04:d7:26:08": "eth1",
},
)
met0 = netcfg["ethernets"]["eth0"]["dhcp4-overrides"]["route-metric"]
met1 = netcfg["ethernets"]["eth1"]["dhcp4-overrides"]["route-metric"]
# route-metric numbers should be 100 apart
assert 100 == abs(met0 - met1)
class TestIsAliYun(test_helpers.CiTestCase):
ALIYUN_PRODUCT = "Alibaba Cloud ECS"
read_dmi_data_expected = [mock.call("system-product-name")]
@mock.patch("cloudinit.sources.DataSourceAliYun.dmi.read_dmi_data")
def test_true_on_aliyun_product(self, m_read_dmi_data):
"""Should return true if the dmi product data has expected value."""
m_read_dmi_data.return_value = self.ALIYUN_PRODUCT
ret = ay._is_aliyun()
self.assertEqual(
self.read_dmi_data_expected, m_read_dmi_data.call_args_list
)
self.assertEqual(True, ret)
@mock.patch("cloudinit.sources.DataSourceAliYun.dmi.read_dmi_data")
def test_false_on_empty_string(self, m_read_dmi_data):
"""Should return false on empty value returned."""
m_read_dmi_data.return_value = ""
ret = ay._is_aliyun()
self.assertEqual(
self.read_dmi_data_expected, m_read_dmi_data.call_args_list
)
self.assertEqual(False, ret)
@mock.patch("cloudinit.sources.DataSourceAliYun.dmi.read_dmi_data")
def test_false_on_unknown_string(self, m_read_dmi_data):
"""Should return false on an unrelated string."""
m_read_dmi_data.return_value = "cubs win"
ret = ay._is_aliyun()
self.assertEqual(
self.read_dmi_data_expected, m_read_dmi_data.call_args_list
)
self.assertEqual(False, ret)
# vi: ts=4 expandtab
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