summaryrefslogtreecommitdiff
path: root/tests/unittests/sources/test_azure_helper.py
diff options
context:
space:
mode:
authorzdc <zdc@users.noreply.github.com>2022-03-26 15:41:59 +0200
committerGitHub <noreply@github.com>2022-03-26 15:41:59 +0200
commitaa60d48c2711cdcd9f88a4e5c77379adb0408231 (patch)
tree349631a02467dae0158f6f663cc8aa8537974a97 /tests/unittests/sources/test_azure_helper.py
parent5c4b3943343a85fbe517e5ec1fc670b3a8566b4b (diff)
parent31448cccedd8f841fb3ac7d0f2e3cdefe08a53ba (diff)
downloadvyos-cloud-init-aa60d48c2711cdcd9f88a4e5c77379adb0408231.tar.gz
vyos-cloud-init-aa60d48c2711cdcd9f88a4e5c77379adb0408231.zip
Merge pull request #51 from zdc/T2117-sagitta-22.1
T2117: Cloud-init updated to 22.1
Diffstat (limited to 'tests/unittests/sources/test_azure_helper.py')
-rw-r--r--tests/unittests/sources/test_azure_helper.py1609
1 files changed, 1609 insertions, 0 deletions
diff --git a/tests/unittests/sources/test_azure_helper.py b/tests/unittests/sources/test_azure_helper.py
new file mode 100644
index 00000000..98143bc3
--- /dev/null
+++ b/tests/unittests/sources/test_azure_helper.py
@@ -0,0 +1,1609 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+import copy
+import os
+import re
+import unittest
+from textwrap import dedent
+from xml.etree import ElementTree
+from xml.sax.saxutils import escape, unescape
+
+from cloudinit.sources.helpers import azure as azure_helper
+from cloudinit.sources.helpers.azure import WALinuxAgentShim as wa_shim
+from cloudinit.util import load_file
+from tests.unittests.helpers import CiTestCase, ExitStack, mock, populate_dir
+
+GOAL_STATE_TEMPLATE = """\
+<?xml version="1.0" encoding="utf-8"?>
+<GoalState xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="goalstate10.xsd">
+ <Version>2012-11-30</Version>
+ <Incarnation>{incarnation}</Incarnation>
+ <Machine>
+ <ExpectedState>Started</ExpectedState>
+ <StopRolesDeadlineHint>300000</StopRolesDeadlineHint>
+ <LBProbePorts>
+ <Port>16001</Port>
+ </LBProbePorts>
+ <ExpectHealthReport>FALSE</ExpectHealthReport>
+ </Machine>
+ <Container>
+ <ContainerId>{container_id}</ContainerId>
+ <RoleInstanceList>
+ <RoleInstance>
+ <InstanceId>{instance_id}</InstanceId>
+ <State>Started</State>
+ <Configuration>
+ <HostingEnvironmentConfig>
+ http://100.86.192.70:80/...hostingEnvironmentConfig...
+ </HostingEnvironmentConfig>
+ <SharedConfig>http://100.86.192.70:80/..SharedConfig..</SharedConfig>
+ <ExtensionsConfig>
+ http://100.86.192.70:80/...extensionsConfig...
+ </ExtensionsConfig>
+ <FullConfig>http://100.86.192.70:80/...fullConfig...</FullConfig>
+ <Certificates>{certificates_url}</Certificates>
+ <ConfigName>68ce47.0.68ce47.0.utl-trusty--292258.1.xml</ConfigName>
+ </Configuration>
+ </RoleInstance>
+ </RoleInstanceList>
+ </Container>
+</GoalState>
+"""
+
+HEALTH_REPORT_XML_TEMPLATE = """\
+<?xml version="1.0" encoding="utf-8"?>
+<Health xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+ <GoalStateIncarnation>{incarnation}</GoalStateIncarnation>
+ <Container>
+ <ContainerId>{container_id}</ContainerId>
+ <RoleInstanceList>
+ <Role>
+ <InstanceId>{instance_id}</InstanceId>
+ <Health>
+ <State>{health_status}</State>
+ {health_detail_subsection}
+ </Health>
+ </Role>
+ </RoleInstanceList>
+ </Container>
+</Health>
+"""
+
+HEALTH_DETAIL_SUBSECTION_XML_TEMPLATE = dedent(
+ """\
+ <Details>
+ <SubStatus>{health_substatus}</SubStatus>
+ <Description>{health_description}</Description>
+ </Details>
+ """
+)
+
+HEALTH_REPORT_DESCRIPTION_TRIM_LEN = 512
+
+
+class SentinelException(Exception):
+ pass
+
+
+class TestFindEndpoint(CiTestCase):
+ def setUp(self):
+ super(TestFindEndpoint, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.load_file = patches.enter_context(
+ mock.patch.object(azure_helper.util, "load_file")
+ )
+
+ self.dhcp_options = patches.enter_context(
+ mock.patch.object(wa_shim, "_load_dhclient_json")
+ )
+
+ self.networkd_leases = patches.enter_context(
+ mock.patch.object(wa_shim, "_networkd_get_value_from_leases")
+ )
+ self.networkd_leases.return_value = None
+
+ def test_missing_file(self):
+ """wa_shim find_endpoint uses default endpoint if
+ leasefile not found
+ """
+ self.assertEqual(wa_shim.find_endpoint(), "168.63.129.16")
+
+ def test_missing_special_azure_line(self):
+ """wa_shim find_endpoint uses default endpoint if leasefile is found
+ but does not contain DHCP Option 245 (whose value is the endpoint)
+ """
+ self.load_file.return_value = ""
+ self.dhcp_options.return_value = {"eth0": {"key": "value"}}
+ self.assertEqual(wa_shim.find_endpoint(), "168.63.129.16")
+
+ @staticmethod
+ def _build_lease_content(encoded_address):
+ endpoint = azure_helper._get_dhcp_endpoint_option_name()
+ return "\n".join(
+ [
+ "lease {",
+ ' interface "eth0";',
+ " option {0} {1};".format(endpoint, encoded_address),
+ "}",
+ ]
+ )
+
+ def test_from_dhcp_client(self):
+ self.dhcp_options.return_value = {"eth0": {"unknown_245": "5:4:3:2"}}
+ self.assertEqual("5.4.3.2", wa_shim.find_endpoint(None))
+
+ def test_latest_lease_used(self):
+ encoded_addresses = ["5:4:3:2", "4:3:2:1"]
+ file_content = "\n".join(
+ [
+ self._build_lease_content(encoded_address)
+ for encoded_address in encoded_addresses
+ ]
+ )
+ self.load_file.return_value = file_content
+ self.assertEqual(
+ encoded_addresses[-1].replace(":", "."),
+ wa_shim.find_endpoint("foobar"),
+ )
+
+
+class TestExtractIpAddressFromLeaseValue(CiTestCase):
+ def test_hex_string(self):
+ ip_address, encoded_address = "98.76.54.32", "62:4c:36:20"
+ self.assertEqual(
+ ip_address, wa_shim.get_ip_from_lease_value(encoded_address)
+ )
+
+ def test_hex_string_with_single_character_part(self):
+ ip_address, encoded_address = "4.3.2.1", "4:3:2:1"
+ self.assertEqual(
+ ip_address, wa_shim.get_ip_from_lease_value(encoded_address)
+ )
+
+ def test_packed_string(self):
+ ip_address, encoded_address = "98.76.54.32", "bL6 "
+ self.assertEqual(
+ ip_address, wa_shim.get_ip_from_lease_value(encoded_address)
+ )
+
+ def test_packed_string_with_escaped_quote(self):
+ ip_address, encoded_address = "100.72.34.108", 'dH\\"l'
+ self.assertEqual(
+ ip_address, wa_shim.get_ip_from_lease_value(encoded_address)
+ )
+
+ def test_packed_string_containing_a_colon(self):
+ ip_address, encoded_address = "100.72.58.108", "dH:l"
+ self.assertEqual(
+ ip_address, wa_shim.get_ip_from_lease_value(encoded_address)
+ )
+
+
+class TestGoalStateParsing(CiTestCase):
+
+ default_parameters = {
+ "incarnation": 1,
+ "container_id": "MyContainerId",
+ "instance_id": "MyInstanceId",
+ "certificates_url": "MyCertificatesUrl",
+ }
+
+ def _get_formatted_goal_state_xml_string(self, **kwargs):
+ parameters = self.default_parameters.copy()
+ parameters.update(kwargs)
+ xml = GOAL_STATE_TEMPLATE.format(**parameters)
+ if parameters["certificates_url"] is None:
+ new_xml_lines = []
+ for line in xml.splitlines():
+ if "Certificates" in line:
+ continue
+ new_xml_lines.append(line)
+ xml = "\n".join(new_xml_lines)
+ return xml
+
+ def _get_goal_state(self, m_azure_endpoint_client=None, **kwargs):
+ if m_azure_endpoint_client is None:
+ m_azure_endpoint_client = mock.MagicMock()
+ xml = self._get_formatted_goal_state_xml_string(**kwargs)
+ return azure_helper.GoalState(xml, m_azure_endpoint_client)
+
+ def test_incarnation_parsed_correctly(self):
+ incarnation = "123"
+ goal_state = self._get_goal_state(incarnation=incarnation)
+ self.assertEqual(incarnation, goal_state.incarnation)
+
+ def test_container_id_parsed_correctly(self):
+ container_id = "TestContainerId"
+ goal_state = self._get_goal_state(container_id=container_id)
+ self.assertEqual(container_id, goal_state.container_id)
+
+ def test_instance_id_parsed_correctly(self):
+ instance_id = "TestInstanceId"
+ goal_state = self._get_goal_state(instance_id=instance_id)
+ self.assertEqual(instance_id, goal_state.instance_id)
+
+ def test_instance_id_byte_swap(self):
+ """Return true when previous_iid is byteswapped current_iid"""
+ previous_iid = "D0DF4C54-4ECB-4A4B-9954-5BDF3ED5C3B8"
+ current_iid = "544CDFD0-CB4E-4B4A-9954-5BDF3ED5C3B8"
+ self.assertTrue(
+ azure_helper.is_byte_swapped(previous_iid, current_iid)
+ )
+
+ def test_instance_id_no_byte_swap_same_instance_id(self):
+ previous_iid = "D0DF4C54-4ECB-4A4B-9954-5BDF3ED5C3B8"
+ current_iid = "D0DF4C54-4ECB-4A4B-9954-5BDF3ED5C3B8"
+ self.assertFalse(
+ azure_helper.is_byte_swapped(previous_iid, current_iid)
+ )
+
+ def test_instance_id_no_byte_swap_diff_instance_id(self):
+ previous_iid = "D0DF4C54-4ECB-4A4B-9954-5BDF3ED5C3B8"
+ current_iid = "G0DF4C54-4ECB-4A4B-9954-5BDF3ED5C3B8"
+ self.assertFalse(
+ azure_helper.is_byte_swapped(previous_iid, current_iid)
+ )
+
+ def test_certificates_xml_parsed_and_fetched_correctly(self):
+ m_azure_endpoint_client = mock.MagicMock()
+ certificates_url = "TestCertificatesUrl"
+ goal_state = self._get_goal_state(
+ m_azure_endpoint_client=m_azure_endpoint_client,
+ certificates_url=certificates_url,
+ )
+ certificates_xml = goal_state.certificates_xml
+ self.assertEqual(1, m_azure_endpoint_client.get.call_count)
+ self.assertEqual(
+ certificates_url, m_azure_endpoint_client.get.call_args[0][0]
+ )
+ self.assertTrue(
+ m_azure_endpoint_client.get.call_args[1].get("secure", False)
+ )
+ self.assertEqual(
+ m_azure_endpoint_client.get.return_value.contents, certificates_xml
+ )
+
+ def test_missing_certificates_skips_http_get(self):
+ m_azure_endpoint_client = mock.MagicMock()
+ goal_state = self._get_goal_state(
+ m_azure_endpoint_client=m_azure_endpoint_client,
+ certificates_url=None,
+ )
+ certificates_xml = goal_state.certificates_xml
+ self.assertEqual(0, m_azure_endpoint_client.get.call_count)
+ self.assertIsNone(certificates_xml)
+
+ def test_invalid_goal_state_xml_raises_parse_error(self):
+ xml = "random non-xml data"
+ with self.assertRaises(ElementTree.ParseError):
+ azure_helper.GoalState(xml, mock.MagicMock())
+
+ def test_missing_container_id_in_goal_state_xml_raises_exc(self):
+ xml = self._get_formatted_goal_state_xml_string()
+ xml = re.sub("<ContainerId>.*</ContainerId>", "", xml)
+ with self.assertRaises(azure_helper.InvalidGoalStateXMLException):
+ azure_helper.GoalState(xml, mock.MagicMock())
+
+ def test_missing_instance_id_in_goal_state_xml_raises_exc(self):
+ xml = self._get_formatted_goal_state_xml_string()
+ xml = re.sub("<InstanceId>.*</InstanceId>", "", xml)
+ with self.assertRaises(azure_helper.InvalidGoalStateXMLException):
+ azure_helper.GoalState(xml, mock.MagicMock())
+
+ def test_missing_incarnation_in_goal_state_xml_raises_exc(self):
+ xml = self._get_formatted_goal_state_xml_string()
+ xml = re.sub("<Incarnation>.*</Incarnation>", "", xml)
+ with self.assertRaises(azure_helper.InvalidGoalStateXMLException):
+ azure_helper.GoalState(xml, mock.MagicMock())
+
+
+class TestAzureEndpointHttpClient(CiTestCase):
+
+ regular_headers = {
+ "x-ms-agent-name": "WALinuxAgent",
+ "x-ms-version": "2012-11-30",
+ }
+
+ def setUp(self):
+ super(TestAzureEndpointHttpClient, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+ self.m_http_with_retries = patches.enter_context(
+ mock.patch.object(azure_helper, "http_with_retries")
+ )
+
+ def test_non_secure_get(self):
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ url = "MyTestUrl"
+ response = client.get(url, secure=False)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+ self.assertEqual(self.m_http_with_retries.return_value, response)
+ self.assertEqual(
+ mock.call(url, headers=self.regular_headers),
+ self.m_http_with_retries.call_args,
+ )
+
+ def test_non_secure_get_raises_exception(self):
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ url = "MyTestUrl"
+ self.m_http_with_retries.side_effect = SentinelException
+ self.assertRaises(SentinelException, client.get, url, secure=False)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+
+ def test_secure_get(self):
+ url = "MyTestUrl"
+ m_certificate = mock.MagicMock()
+ expected_headers = self.regular_headers.copy()
+ expected_headers.update(
+ {
+ "x-ms-cipher-name": "DES_EDE3_CBC",
+ "x-ms-guest-agent-public-x509-cert": m_certificate,
+ }
+ )
+ client = azure_helper.AzureEndpointHttpClient(m_certificate)
+ response = client.get(url, secure=True)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+ self.assertEqual(self.m_http_with_retries.return_value, response)
+ self.assertEqual(
+ mock.call(url, headers=expected_headers),
+ self.m_http_with_retries.call_args,
+ )
+
+ def test_secure_get_raises_exception(self):
+ url = "MyTestUrl"
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ self.m_http_with_retries.side_effect = SentinelException
+ self.assertRaises(SentinelException, client.get, url, secure=True)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+
+ def test_post(self):
+ m_data = mock.MagicMock()
+ url = "MyTestUrl"
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ response = client.post(url, data=m_data)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+ self.assertEqual(self.m_http_with_retries.return_value, response)
+ self.assertEqual(
+ mock.call(url, data=m_data, headers=self.regular_headers),
+ self.m_http_with_retries.call_args,
+ )
+
+ def test_post_raises_exception(self):
+ m_data = mock.MagicMock()
+ url = "MyTestUrl"
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ self.m_http_with_retries.side_effect = SentinelException
+ self.assertRaises(SentinelException, client.post, url, data=m_data)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+
+ def test_post_with_extra_headers(self):
+ url = "MyTestUrl"
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ extra_headers = {"test": "header"}
+ client.post(url, extra_headers=extra_headers)
+ expected_headers = self.regular_headers.copy()
+ expected_headers.update(extra_headers)
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+ self.assertEqual(
+ mock.call(url, data=mock.ANY, headers=expected_headers),
+ self.m_http_with_retries.call_args,
+ )
+
+ def test_post_with_sleep_with_extra_headers_raises_exception(self):
+ m_data = mock.MagicMock()
+ url = "MyTestUrl"
+ extra_headers = {"test": "header"}
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ self.m_http_with_retries.side_effect = SentinelException
+ self.assertRaises(
+ SentinelException,
+ client.post,
+ url,
+ data=m_data,
+ extra_headers=extra_headers,
+ )
+ self.assertEqual(1, self.m_http_with_retries.call_count)
+
+
+class TestAzureHelperHttpWithRetries(CiTestCase):
+
+ with_logs = True
+
+ max_readurl_attempts = 240
+ default_readurl_timeout = 5
+ sleep_duration_between_retries = 5
+ periodic_logging_attempts = 12
+
+ def setUp(self):
+ super(TestAzureHelperHttpWithRetries, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.m_readurl = patches.enter_context(
+ mock.patch.object(
+ azure_helper.url_helper, "readurl", mock.MagicMock()
+ )
+ )
+ self.m_sleep = patches.enter_context(
+ mock.patch.object(azure_helper.time, "sleep", autospec=True)
+ )
+
+ def test_http_with_retries(self):
+ self.m_readurl.return_value = "TestResp"
+ self.assertEqual(
+ azure_helper.http_with_retries("testurl"),
+ self.m_readurl.return_value,
+ )
+ self.assertEqual(self.m_readurl.call_count, 1)
+
+ def test_http_with_retries_propagates_readurl_exc_and_logs_exc(self):
+ self.m_readurl.side_effect = SentinelException
+
+ self.assertRaises(
+ SentinelException, azure_helper.http_with_retries, "testurl"
+ )
+ self.assertEqual(self.m_readurl.call_count, self.max_readurl_attempts)
+
+ self.assertIsNotNone(
+ re.search(
+ r"Failed HTTP request with Azure endpoint \S* during "
+ r"attempt \d+ with exception: \S*",
+ self.logs.getvalue(),
+ )
+ )
+ self.assertIsNone(
+ re.search(
+ r"Successful HTTP request with Azure endpoint \S* after "
+ r"\d+ attempts",
+ self.logs.getvalue(),
+ )
+ )
+
+ def test_http_with_retries_delayed_success_due_to_temporary_readurl_exc(
+ self,
+ ):
+ self.m_readurl.side_effect = [
+ SentinelException
+ ] * self.periodic_logging_attempts + ["TestResp"]
+ self.m_readurl.return_value = "TestResp"
+
+ response = azure_helper.http_with_retries("testurl")
+ self.assertEqual(response, self.m_readurl.return_value)
+ self.assertEqual(
+ self.m_readurl.call_count, self.periodic_logging_attempts + 1
+ )
+
+ # Ensure that cloud-init did sleep between each failed request
+ self.assertEqual(
+ self.m_sleep.call_count, self.periodic_logging_attempts
+ )
+ self.m_sleep.assert_called_with(self.sleep_duration_between_retries)
+
+ def test_http_with_retries_long_delay_logs_periodic_failure_msg(self):
+ self.m_readurl.side_effect = [
+ SentinelException
+ ] * self.periodic_logging_attempts + ["TestResp"]
+ self.m_readurl.return_value = "TestResp"
+
+ azure_helper.http_with_retries("testurl")
+
+ self.assertEqual(
+ self.m_readurl.call_count, self.periodic_logging_attempts + 1
+ )
+ self.assertIsNotNone(
+ re.search(
+ r"Failed HTTP request with Azure endpoint \S* during "
+ r"attempt \d+ with exception: \S*",
+ self.logs.getvalue(),
+ )
+ )
+ self.assertIsNotNone(
+ re.search(
+ r"Successful HTTP request with Azure endpoint \S* after "
+ r"\d+ attempts",
+ self.logs.getvalue(),
+ )
+ )
+
+ def test_http_with_retries_short_delay_does_not_log_periodic_failure_msg(
+ self,
+ ):
+ self.m_readurl.side_effect = [SentinelException] * (
+ self.periodic_logging_attempts - 1
+ ) + ["TestResp"]
+ self.m_readurl.return_value = "TestResp"
+
+ azure_helper.http_with_retries("testurl")
+ self.assertEqual(
+ self.m_readurl.call_count, self.periodic_logging_attempts
+ )
+
+ self.assertIsNone(
+ re.search(
+ r"Failed HTTP request with Azure endpoint \S* during "
+ r"attempt \d+ with exception: \S*",
+ self.logs.getvalue(),
+ )
+ )
+ self.assertIsNotNone(
+ re.search(
+ r"Successful HTTP request with Azure endpoint \S* after "
+ r"\d+ attempts",
+ self.logs.getvalue(),
+ )
+ )
+
+ def test_http_with_retries_calls_url_helper_readurl_with_args_kwargs(self):
+ testurl = mock.MagicMock()
+ kwargs = {
+ "headers": mock.MagicMock(),
+ "data": mock.MagicMock(),
+ # timeout kwarg should not be modified or deleted if present
+ "timeout": mock.MagicMock(),
+ }
+ azure_helper.http_with_retries(testurl, **kwargs)
+ self.m_readurl.assert_called_once_with(testurl, **kwargs)
+
+ def test_http_with_retries_adds_timeout_kwarg_if_not_present(self):
+ testurl = mock.MagicMock()
+ kwargs = {"headers": mock.MagicMock(), "data": mock.MagicMock()}
+ expected_kwargs = copy.deepcopy(kwargs)
+ expected_kwargs["timeout"] = self.default_readurl_timeout
+
+ azure_helper.http_with_retries(testurl, **kwargs)
+ self.m_readurl.assert_called_once_with(testurl, **expected_kwargs)
+
+ def test_http_with_retries_deletes_retries_kwargs_passed_in(self):
+ """http_with_retries already implements retry logic,
+ so url_helper.readurl should not have retries.
+ http_with_retries should delete kwargs that
+ cause url_helper.readurl to retry.
+ """
+ testurl = mock.MagicMock()
+ kwargs = {
+ "headers": mock.MagicMock(),
+ "data": mock.MagicMock(),
+ "timeout": mock.MagicMock(),
+ "retries": mock.MagicMock(),
+ "infinite": mock.MagicMock(),
+ }
+ expected_kwargs = copy.deepcopy(kwargs)
+ expected_kwargs.pop("retries", None)
+ expected_kwargs.pop("infinite", None)
+
+ azure_helper.http_with_retries(testurl, **kwargs)
+ self.m_readurl.assert_called_once_with(testurl, **expected_kwargs)
+ self.assertIn(
+ "retries kwarg passed in for communication with Azure endpoint.",
+ self.logs.getvalue(),
+ )
+ self.assertIn(
+ "infinite kwarg passed in for communication with Azure endpoint.",
+ self.logs.getvalue(),
+ )
+
+
+class TestOpenSSLManager(CiTestCase):
+ def setUp(self):
+ super(TestOpenSSLManager, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.subp = patches.enter_context(
+ mock.patch.object(azure_helper.subp, "subp")
+ )
+ try:
+ self.open = patches.enter_context(mock.patch("__builtin__.open"))
+ except ImportError:
+ self.open = patches.enter_context(mock.patch("builtins.open"))
+
+ @mock.patch.object(azure_helper, "cd", mock.MagicMock())
+ @mock.patch.object(azure_helper.temp_utils, "mkdtemp")
+ def test_openssl_manager_creates_a_tmpdir(self, mkdtemp):
+ manager = azure_helper.OpenSSLManager()
+ self.assertEqual(mkdtemp.return_value, manager.tmpdir)
+
+ def test_generate_certificate_uses_tmpdir(self):
+ subp_directory = {}
+
+ def capture_directory(*args, **kwargs):
+ subp_directory["path"] = os.getcwd()
+
+ self.subp.side_effect = capture_directory
+ manager = azure_helper.OpenSSLManager()
+ self.assertEqual(manager.tmpdir, subp_directory["path"])
+ manager.clean_up()
+
+ @mock.patch.object(azure_helper, "cd", mock.MagicMock())
+ @mock.patch.object(azure_helper.temp_utils, "mkdtemp", mock.MagicMock())
+ @mock.patch.object(azure_helper.util, "del_dir")
+ def test_clean_up(self, del_dir):
+ manager = azure_helper.OpenSSLManager()
+ manager.clean_up()
+ self.assertEqual([mock.call(manager.tmpdir)], del_dir.call_args_list)
+
+
+class TestOpenSSLManagerActions(CiTestCase):
+ def setUp(self):
+ super(TestOpenSSLManagerActions, self).setUp()
+
+ self.allowed_subp = True
+
+ def _data_file(self, name):
+ path = "tests/data/azure"
+ return os.path.join(path, name)
+
+ @unittest.skip("todo move to cloud_test")
+ def test_pubkey_extract(self):
+ cert = load_file(self._data_file("pubkey_extract_cert"))
+ good_key = load_file(self._data_file("pubkey_extract_ssh_key"))
+ sslmgr = azure_helper.OpenSSLManager()
+ key = sslmgr._get_ssh_key_from_cert(cert)
+ self.assertEqual(good_key, key)
+
+ good_fingerprint = "073E19D14D1C799224C6A0FD8DDAB6A8BF27D473"
+ fingerprint = sslmgr._get_fingerprint_from_cert(cert)
+ self.assertEqual(good_fingerprint, fingerprint)
+
+ @unittest.skip("todo move to cloud_test")
+ @mock.patch.object(azure_helper.OpenSSLManager, "_decrypt_certs_from_xml")
+ def test_parse_certificates(self, mock_decrypt_certs):
+ """Azure control plane puts private keys as well as certificates
+ into the Certificates XML object. Make sure only the public keys
+ from certs are extracted and that fingerprints are converted to
+ the form specified in the ovf-env.xml file.
+ """
+ cert_contents = load_file(self._data_file("parse_certificates_pem"))
+ fingerprints = load_file(
+ self._data_file("parse_certificates_fingerprints")
+ ).splitlines()
+ mock_decrypt_certs.return_value = cert_contents
+ sslmgr = azure_helper.OpenSSLManager()
+ keys_by_fp = sslmgr.parse_certificates("")
+ for fp in keys_by_fp.keys():
+ self.assertIn(fp, fingerprints)
+ for fp in fingerprints:
+ self.assertIn(fp, keys_by_fp)
+
+
+class TestGoalStateHealthReporter(CiTestCase):
+
+ maxDiff = None
+
+ default_parameters = {
+ "incarnation": 1634,
+ "container_id": "MyContainerId",
+ "instance_id": "MyInstanceId",
+ }
+
+ test_azure_endpoint = "TestEndpoint"
+ test_health_report_url = "http://{0}/machine?comp=health".format(
+ test_azure_endpoint
+ )
+ test_default_headers = {"Content-Type": "text/xml; charset=utf-8"}
+
+ provisioning_success_status = "Ready"
+ provisioning_not_ready_status = "NotReady"
+ provisioning_failure_substatus = "ProvisioningFailed"
+ provisioning_failure_err_description = (
+ "Test error message containing provisioning failure details"
+ )
+
+ def setUp(self):
+ super(TestGoalStateHealthReporter, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ patches.enter_context(
+ mock.patch.object(azure_helper.time, "sleep", mock.MagicMock())
+ )
+ self.read_file_or_url = patches.enter_context(
+ mock.patch.object(azure_helper.url_helper, "read_file_or_url")
+ )
+
+ self.post = patches.enter_context(
+ mock.patch.object(azure_helper.AzureEndpointHttpClient, "post")
+ )
+
+ self.GoalState = patches.enter_context(
+ mock.patch.object(azure_helper, "GoalState")
+ )
+ self.GoalState.return_value.container_id = self.default_parameters[
+ "container_id"
+ ]
+ self.GoalState.return_value.instance_id = self.default_parameters[
+ "instance_id"
+ ]
+ self.GoalState.return_value.incarnation = self.default_parameters[
+ "incarnation"
+ ]
+
+ def _text_from_xpath_in_xroot(self, xroot, xpath):
+ element = xroot.find(xpath)
+ if element is not None:
+ return element.text
+ return None
+
+ def _get_formatted_health_report_xml_string(self, **kwargs):
+ return HEALTH_REPORT_XML_TEMPLATE.format(**kwargs)
+
+ def _get_formatted_health_detail_subsection_xml_string(self, **kwargs):
+ return HEALTH_DETAIL_SUBSECTION_XML_TEMPLATE.format(**kwargs)
+
+ def _get_report_ready_health_document(self):
+ return self._get_formatted_health_report_xml_string(
+ incarnation=escape(str(self.default_parameters["incarnation"])),
+ container_id=escape(self.default_parameters["container_id"]),
+ instance_id=escape(self.default_parameters["instance_id"]),
+ health_status=escape(self.provisioning_success_status),
+ health_detail_subsection="",
+ )
+
+ def _get_report_failure_health_document(self):
+ health_detail_subsection = (
+ self._get_formatted_health_detail_subsection_xml_string(
+ health_substatus=escape(self.provisioning_failure_substatus),
+ health_description=escape(
+ self.provisioning_failure_err_description
+ ),
+ )
+ )
+
+ return self._get_formatted_health_report_xml_string(
+ incarnation=escape(str(self.default_parameters["incarnation"])),
+ container_id=escape(self.default_parameters["container_id"]),
+ instance_id=escape(self.default_parameters["instance_id"]),
+ health_status=escape(self.provisioning_not_ready_status),
+ health_detail_subsection=health_detail_subsection,
+ )
+
+ def test_send_ready_signal_sends_post_request(self):
+ with mock.patch.object(
+ azure_helper.GoalStateHealthReporter, "build_report"
+ ) as m_build_report:
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ client,
+ self.test_azure_endpoint,
+ )
+ reporter.send_ready_signal()
+
+ self.assertEqual(1, self.post.call_count)
+ self.assertEqual(
+ mock.call(
+ self.test_health_report_url,
+ data=m_build_report.return_value,
+ extra_headers=self.test_default_headers,
+ ),
+ self.post.call_args,
+ )
+
+ def test_send_failure_signal_sends_post_request(self):
+ with mock.patch.object(
+ azure_helper.GoalStateHealthReporter, "build_report"
+ ) as m_build_report:
+ client = azure_helper.AzureEndpointHttpClient(mock.MagicMock())
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ client,
+ self.test_azure_endpoint,
+ )
+ reporter.send_failure_signal(
+ description=self.provisioning_failure_err_description
+ )
+
+ self.assertEqual(1, self.post.call_count)
+ self.assertEqual(
+ mock.call(
+ self.test_health_report_url,
+ data=m_build_report.return_value,
+ extra_headers=self.test_default_headers,
+ ),
+ self.post.call_args,
+ )
+
+ def test_build_report_for_ready_signal_health_document(self):
+ health_document = self._get_report_ready_health_document()
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ generated_health_document = reporter.build_report(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_success_status,
+ )
+
+ self.assertEqual(health_document, generated_health_document)
+
+ generated_xroot = ElementTree.fromstring(generated_health_document)
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./GoalStateIncarnation"
+ ),
+ str(self.default_parameters["incarnation"]),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./Container/ContainerId"
+ ),
+ str(self.default_parameters["container_id"]),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./Container/RoleInstanceList/Role/InstanceId"
+ ),
+ str(self.default_parameters["instance_id"]),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/State",
+ ),
+ escape(self.provisioning_success_status),
+ )
+ self.assertIsNone(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details",
+ )
+ )
+ self.assertIsNone(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/SubStatus",
+ )
+ )
+ self.assertIsNone(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/Description",
+ )
+ )
+
+ def test_build_report_for_failure_signal_health_document(self):
+ health_document = self._get_report_failure_health_document()
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ generated_health_document = reporter.build_report(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_not_ready_status,
+ substatus=self.provisioning_failure_substatus,
+ description=self.provisioning_failure_err_description,
+ )
+
+ self.assertEqual(health_document, generated_health_document)
+
+ generated_xroot = ElementTree.fromstring(generated_health_document)
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./GoalStateIncarnation"
+ ),
+ str(self.default_parameters["incarnation"]),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./Container/ContainerId"
+ ),
+ self.default_parameters["container_id"],
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot, "./Container/RoleInstanceList/Role/InstanceId"
+ ),
+ self.default_parameters["instance_id"],
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/State",
+ ),
+ escape(self.provisioning_not_ready_status),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/SubStatus",
+ ),
+ escape(self.provisioning_failure_substatus),
+ )
+ self.assertEqual(
+ self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/Description",
+ ),
+ escape(self.provisioning_failure_err_description),
+ )
+
+ def test_send_ready_signal_calls_build_report(self):
+ with mock.patch.object(
+ azure_helper.GoalStateHealthReporter, "build_report"
+ ) as m_build_report:
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ reporter.send_ready_signal()
+
+ self.assertEqual(1, m_build_report.call_count)
+ self.assertEqual(
+ mock.call(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_success_status,
+ ),
+ m_build_report.call_args,
+ )
+
+ def test_send_failure_signal_calls_build_report(self):
+ with mock.patch.object(
+ azure_helper.GoalStateHealthReporter, "build_report"
+ ) as m_build_report:
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ reporter.send_failure_signal(
+ description=self.provisioning_failure_err_description
+ )
+
+ self.assertEqual(1, m_build_report.call_count)
+ self.assertEqual(
+ mock.call(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_not_ready_status,
+ substatus=self.provisioning_failure_substatus,
+ description=self.provisioning_failure_err_description,
+ ),
+ m_build_report.call_args,
+ )
+
+ def test_build_report_escapes_chars(self):
+ incarnation = "jd8'9*&^<'A><A[p&o+\"SD()*&&&LKAJSD23"
+ container_id = "&&<\"><><ds8'9+7&d9a86!@($09asdl;<>"
+ instance_id = "Opo>>>jas'&d;[p&fp\"a<<!!@&&"
+ health_status = "&<897\"6&>&aa'sd!@&!)((*<&>"
+ health_substatus = "&as\"d<<a&s>d<'^@!5&6<7"
+ health_description = '&&&>!#$"&&<as\'1!@$d&>><>&"sd<67<]>>'
+
+ health_detail_subsection = (
+ self._get_formatted_health_detail_subsection_xml_string(
+ health_substatus=escape(health_substatus),
+ health_description=escape(health_description),
+ )
+ )
+ health_document = self._get_formatted_health_report_xml_string(
+ incarnation=escape(incarnation),
+ container_id=escape(container_id),
+ instance_id=escape(instance_id),
+ health_status=escape(health_status),
+ health_detail_subsection=health_detail_subsection,
+ )
+
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ generated_health_document = reporter.build_report(
+ incarnation=incarnation,
+ container_id=container_id,
+ instance_id=instance_id,
+ status=health_status,
+ substatus=health_substatus,
+ description=health_description,
+ )
+
+ self.assertEqual(health_document, generated_health_document)
+
+ def test_build_report_conforms_to_length_limits(self):
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ long_err_msg = "a9&ea8>>>e as1< d\"q2*&(^%'a=5<" * 100
+ generated_health_document = reporter.build_report(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_not_ready_status,
+ substatus=self.provisioning_failure_substatus,
+ description=long_err_msg,
+ )
+
+ generated_xroot = ElementTree.fromstring(generated_health_document)
+ generated_health_report_description = self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/Description",
+ )
+ self.assertEqual(
+ len(unescape(generated_health_report_description)),
+ HEALTH_REPORT_DESCRIPTION_TRIM_LEN,
+ )
+
+ def test_trim_description_then_escape_conforms_to_len_limits_worst_case(
+ self,
+ ):
+ """When unescaped characters are XML-escaped, the length increases.
+ Char Escape String
+ < &lt;
+ > &gt;
+ " &quot;
+ ' &apos;
+ & &amp;
+
+ We (step 1) trim the health report XML's description field,
+ and then (step 2) XML-escape the health report XML's description field.
+
+ The health report XML's description field limit within cloud-init
+ is HEALTH_REPORT_DESCRIPTION_TRIM_LEN.
+
+ The Azure platform's limit on the health report XML's description field
+ is 4096 chars.
+
+ For worst-case chars, there is a 5x blowup in length
+ when the chars are XML-escaped.
+ ' and " when XML-escaped have a 5x blowup.
+
+ Ensure that (1) trimming and then (2) XML-escaping does not blow past
+ the Azure platform's limit for health report XML's description field
+ (4096 chars).
+ """
+ reporter = azure_helper.GoalStateHealthReporter(
+ azure_helper.GoalState(mock.MagicMock(), mock.MagicMock()),
+ azure_helper.AzureEndpointHttpClient(mock.MagicMock()),
+ self.test_azure_endpoint,
+ )
+ long_err_msg = "'\"" * 10000
+ generated_health_document = reporter.build_report(
+ incarnation=self.default_parameters["incarnation"],
+ container_id=self.default_parameters["container_id"],
+ instance_id=self.default_parameters["instance_id"],
+ status=self.provisioning_not_ready_status,
+ substatus=self.provisioning_failure_substatus,
+ description=long_err_msg,
+ )
+
+ generated_xroot = ElementTree.fromstring(generated_health_document)
+ generated_health_report_description = self._text_from_xpath_in_xroot(
+ generated_xroot,
+ "./Container/RoleInstanceList/Role/Health/Details/Description",
+ )
+ # The escaped description string should be less than
+ # the Azure platform limit for the escaped description string.
+ self.assertLessEqual(len(generated_health_report_description), 4096)
+
+
+class TestWALinuxAgentShim(CiTestCase):
+ def setUp(self):
+ super(TestWALinuxAgentShim, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.AzureEndpointHttpClient = patches.enter_context(
+ mock.patch.object(azure_helper, "AzureEndpointHttpClient")
+ )
+ self.find_endpoint = patches.enter_context(
+ mock.patch.object(wa_shim, "find_endpoint")
+ )
+ self.GoalState = patches.enter_context(
+ mock.patch.object(azure_helper, "GoalState")
+ )
+ self.OpenSSLManager = patches.enter_context(
+ mock.patch.object(azure_helper, "OpenSSLManager", autospec=True)
+ )
+ patches.enter_context(
+ mock.patch.object(azure_helper.time, "sleep", mock.MagicMock())
+ )
+
+ self.test_incarnation = "TestIncarnation"
+ self.test_container_id = "TestContainerId"
+ self.test_instance_id = "TestInstanceId"
+ self.GoalState.return_value.incarnation = self.test_incarnation
+ self.GoalState.return_value.container_id = self.test_container_id
+ self.GoalState.return_value.instance_id = self.test_instance_id
+
+ def test_eject_iso_is_called(self):
+ shim = wa_shim()
+ with mock.patch.object(
+ shim, "eject_iso", autospec=True
+ ) as m_eject_iso:
+ shim.register_with_azure_and_fetch_data(iso_dev="/dev/sr0")
+ m_eject_iso.assert_called_once_with("/dev/sr0")
+
+ def test_http_client_does_not_use_certificate_for_report_ready(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ self.assertEqual(
+ [mock.call(None)], self.AzureEndpointHttpClient.call_args_list
+ )
+
+ def test_http_client_does_not_use_certificate_for_report_failure(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ self.assertEqual(
+ [mock.call(None)], self.AzureEndpointHttpClient.call_args_list
+ )
+
+ def test_correct_url_used_for_goalstate_during_report_ready(self):
+ self.find_endpoint.return_value = "test_endpoint"
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ m_get = self.AzureEndpointHttpClient.return_value.get
+ self.assertEqual(
+ [mock.call("http://test_endpoint/machine/?comp=goalstate")],
+ m_get.call_args_list,
+ )
+ self.assertEqual(
+ [
+ mock.call(
+ m_get.return_value.contents,
+ self.AzureEndpointHttpClient.return_value,
+ False,
+ )
+ ],
+ self.GoalState.call_args_list,
+ )
+
+ def test_correct_url_used_for_goalstate_during_report_failure(self):
+ self.find_endpoint.return_value = "test_endpoint"
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ m_get = self.AzureEndpointHttpClient.return_value.get
+ self.assertEqual(
+ [mock.call("http://test_endpoint/machine/?comp=goalstate")],
+ m_get.call_args_list,
+ )
+ self.assertEqual(
+ [
+ mock.call(
+ m_get.return_value.contents,
+ self.AzureEndpointHttpClient.return_value,
+ False,
+ )
+ ],
+ self.GoalState.call_args_list,
+ )
+
+ def test_certificates_used_to_determine_public_keys(self):
+ # if register_with_azure_and_fetch_data() isn't passed some info about
+ # the user's public keys, there's no point in even trying to parse the
+ # certificates
+ shim = wa_shim()
+ mypk = [
+ {"fingerprint": "fp1", "path": "path1"},
+ {"fingerprint": "fp3", "path": "path3", "value": ""},
+ ]
+ certs = {
+ "fp1": "expected-key",
+ "fp2": "should-not-be-found",
+ "fp3": "expected-no-value-key",
+ }
+ sslmgr = self.OpenSSLManager.return_value
+ sslmgr.parse_certificates.return_value = certs
+ data = shim.register_with_azure_and_fetch_data(pubkey_info=mypk)
+ self.assertEqual(
+ [mock.call(self.GoalState.return_value.certificates_xml)],
+ sslmgr.parse_certificates.call_args_list,
+ )
+ self.assertIn("expected-key", data)
+ self.assertIn("expected-no-value-key", data)
+ self.assertNotIn("should-not-be-found", data)
+
+ def test_absent_certificates_produces_empty_public_keys(self):
+ mypk = [{"fingerprint": "fp1", "path": "path1"}]
+ self.GoalState.return_value.certificates_xml = None
+ shim = wa_shim()
+ data = shim.register_with_azure_and_fetch_data(pubkey_info=mypk)
+ self.assertEqual([], data)
+
+ def test_correct_url_used_for_report_ready(self):
+ self.find_endpoint.return_value = "test_endpoint"
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ expected_url = "http://test_endpoint/machine?comp=health"
+ self.assertEqual(
+ [mock.call(expected_url, data=mock.ANY, extra_headers=mock.ANY)],
+ self.AzureEndpointHttpClient.return_value.post.call_args_list,
+ )
+
+ def test_correct_url_used_for_report_failure(self):
+ self.find_endpoint.return_value = "test_endpoint"
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ expected_url = "http://test_endpoint/machine?comp=health"
+ self.assertEqual(
+ [mock.call(expected_url, data=mock.ANY, extra_headers=mock.ANY)],
+ self.AzureEndpointHttpClient.return_value.post.call_args_list,
+ )
+
+ def test_goal_state_values_used_for_report_ready(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ posted_document = (
+ self.AzureEndpointHttpClient.return_value.post.call_args[1]["data"]
+ )
+ self.assertIn(self.test_incarnation, posted_document)
+ self.assertIn(self.test_container_id, posted_document)
+ self.assertIn(self.test_instance_id, posted_document)
+
+ def test_goal_state_values_used_for_report_failure(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ posted_document = (
+ self.AzureEndpointHttpClient.return_value.post.call_args[1]["data"]
+ )
+ self.assertIn(self.test_incarnation, posted_document)
+ self.assertIn(self.test_container_id, posted_document)
+ self.assertIn(self.test_instance_id, posted_document)
+
+ def test_xml_elems_in_report_ready_post(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ health_document = HEALTH_REPORT_XML_TEMPLATE.format(
+ incarnation=escape(self.test_incarnation),
+ container_id=escape(self.test_container_id),
+ instance_id=escape(self.test_instance_id),
+ health_status=escape("Ready"),
+ health_detail_subsection="",
+ )
+ posted_document = (
+ self.AzureEndpointHttpClient.return_value.post.call_args[1]["data"]
+ )
+ self.assertEqual(health_document, posted_document)
+
+ def test_xml_elems_in_report_failure_post(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ health_document = HEALTH_REPORT_XML_TEMPLATE.format(
+ incarnation=escape(self.test_incarnation),
+ container_id=escape(self.test_container_id),
+ instance_id=escape(self.test_instance_id),
+ health_status=escape("NotReady"),
+ health_detail_subsection=(
+ HEALTH_DETAIL_SUBSECTION_XML_TEMPLATE.format(
+ health_substatus=escape("ProvisioningFailed"),
+ health_description=escape("TestDesc"),
+ )
+ ),
+ )
+ posted_document = (
+ self.AzureEndpointHttpClient.return_value.post.call_args[1]["data"]
+ )
+ self.assertEqual(health_document, posted_document)
+
+ @mock.patch.object(azure_helper, "GoalStateHealthReporter", autospec=True)
+ def test_register_with_azure_and_fetch_data_calls_send_ready_signal(
+ self, m_goal_state_health_reporter
+ ):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ self.assertEqual(
+ 1,
+ m_goal_state_health_reporter.return_value.send_ready_signal.call_count, # noqa: E501
+ )
+
+ @mock.patch.object(azure_helper, "GoalStateHealthReporter", autospec=True)
+ def test_register_with_azure_and_report_failure_calls_send_failure_signal(
+ self, m_goal_state_health_reporter
+ ):
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ m_goal_state_health_reporter.return_value.send_failure_signal.assert_called_once_with( # noqa: E501
+ description="TestDesc"
+ )
+
+ def test_register_with_azure_and_report_failure_does_not_need_certificates(
+ self,
+ ):
+ shim = wa_shim()
+ with mock.patch.object(
+ shim, "_fetch_goal_state_from_azure", autospec=True
+ ) as m_fetch_goal_state_from_azure:
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ m_fetch_goal_state_from_azure.assert_called_once_with(
+ need_certificate=False
+ )
+
+ def test_clean_up_can_be_called_at_any_time(self):
+ shim = wa_shim()
+ shim.clean_up()
+
+ def test_openssl_manager_not_instantiated_by_shim_report_status(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ shim.clean_up()
+ self.OpenSSLManager.assert_not_called()
+
+ def test_clean_up_after_report_ready(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_fetch_data()
+ shim.clean_up()
+ self.OpenSSLManager.return_value.clean_up.assert_not_called()
+
+ def test_clean_up_after_report_failure(self):
+ shim = wa_shim()
+ shim.register_with_azure_and_report_failure(description="TestDesc")
+ shim.clean_up()
+ self.OpenSSLManager.return_value.clean_up.assert_not_called()
+
+ def test_fetch_goalstate_during_report_ready_raises_exc_on_get_exc(self):
+ self.AzureEndpointHttpClient.return_value.get.side_effect = (
+ SentinelException
+ )
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException, shim.register_with_azure_and_fetch_data
+ )
+
+ def test_fetch_goalstate_during_report_failure_raises_exc_on_get_exc(self):
+ self.AzureEndpointHttpClient.return_value.get.side_effect = (
+ SentinelException
+ )
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException,
+ shim.register_with_azure_and_report_failure,
+ description="TestDesc",
+ )
+
+ def test_fetch_goalstate_during_report_ready_raises_exc_on_parse_exc(self):
+ self.GoalState.side_effect = SentinelException
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException, shim.register_with_azure_and_fetch_data
+ )
+
+ def test_fetch_goalstate_during_report_failure_raises_exc_on_parse_exc(
+ self,
+ ):
+ self.GoalState.side_effect = SentinelException
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException,
+ shim.register_with_azure_and_report_failure,
+ description="TestDesc",
+ )
+
+ def test_failure_to_send_report_ready_health_doc_bubbles_up(self):
+ self.AzureEndpointHttpClient.return_value.post.side_effect = (
+ SentinelException
+ )
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException, shim.register_with_azure_and_fetch_data
+ )
+
+ def test_failure_to_send_report_failure_health_doc_bubbles_up(self):
+ self.AzureEndpointHttpClient.return_value.post.side_effect = (
+ SentinelException
+ )
+ shim = wa_shim()
+ self.assertRaises(
+ SentinelException,
+ shim.register_with_azure_and_report_failure,
+ description="TestDesc",
+ )
+
+
+class TestGetMetadataGoalStateXMLAndReportReadyToFabric(CiTestCase):
+ def setUp(self):
+ super(TestGetMetadataGoalStateXMLAndReportReadyToFabric, self).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.m_shim = patches.enter_context(
+ mock.patch.object(azure_helper, "WALinuxAgentShim")
+ )
+
+ def test_data_from_shim_returned(self):
+ ret = azure_helper.get_metadata_from_fabric()
+ self.assertEqual(
+ self.m_shim.return_value.register_with_azure_and_fetch_data.return_value, # noqa: E501
+ ret,
+ )
+
+ def test_success_calls_clean_up(self):
+ azure_helper.get_metadata_from_fabric()
+ self.assertEqual(1, self.m_shim.return_value.clean_up.call_count)
+
+ def test_failure_in_registration_propagates_exc_and_calls_clean_up(self):
+ self.m_shim.return_value.register_with_azure_and_fetch_data.side_effect = ( # noqa: E501
+ SentinelException
+ )
+ self.assertRaises(
+ SentinelException, azure_helper.get_metadata_from_fabric
+ )
+ self.assertEqual(1, self.m_shim.return_value.clean_up.call_count)
+
+ def test_calls_shim_register_with_azure_and_fetch_data(self):
+ m_pubkey_info = mock.MagicMock()
+ azure_helper.get_metadata_from_fabric(
+ pubkey_info=m_pubkey_info, iso_dev="/dev/sr0"
+ )
+ self.assertEqual(
+ 1,
+ self.m_shim.return_value.register_with_azure_and_fetch_data.call_count, # noqa: E501
+ )
+ self.assertEqual(
+ mock.call(iso_dev="/dev/sr0", pubkey_info=m_pubkey_info),
+ self.m_shim.return_value.register_with_azure_and_fetch_data.call_args, # noqa: E501
+ )
+
+ def test_instantiates_shim_with_kwargs(self):
+ m_fallback_lease_file = mock.MagicMock()
+ m_dhcp_options = mock.MagicMock()
+ azure_helper.get_metadata_from_fabric(
+ fallback_lease_file=m_fallback_lease_file, dhcp_opts=m_dhcp_options
+ )
+ self.assertEqual(1, self.m_shim.call_count)
+ self.assertEqual(
+ mock.call(
+ fallback_lease_file=m_fallback_lease_file,
+ dhcp_options=m_dhcp_options,
+ ),
+ self.m_shim.call_args,
+ )
+
+
+class TestGetMetadataGoalStateXMLAndReportFailureToFabric(CiTestCase):
+ def setUp(self):
+ super(
+ TestGetMetadataGoalStateXMLAndReportFailureToFabric, self
+ ).setUp()
+ patches = ExitStack()
+ self.addCleanup(patches.close)
+
+ self.m_shim = patches.enter_context(
+ mock.patch.object(azure_helper, "WALinuxAgentShim")
+ )
+
+ def test_success_calls_clean_up(self):
+ azure_helper.report_failure_to_fabric()
+ self.assertEqual(1, self.m_shim.return_value.clean_up.call_count)
+
+ def test_failure_in_shim_report_failure_propagates_exc_and_calls_clean_up(
+ self,
+ ):
+ self.m_shim.return_value.register_with_azure_and_report_failure.side_effect = ( # noqa: E501
+ SentinelException
+ )
+ self.assertRaises(
+ SentinelException, azure_helper.report_failure_to_fabric
+ )
+ self.assertEqual(1, self.m_shim.return_value.clean_up.call_count)
+
+ def test_report_failure_to_fabric_with_desc_calls_shim_report_failure(
+ self,
+ ):
+ azure_helper.report_failure_to_fabric(description="TestDesc")
+ self.m_shim.return_value.register_with_azure_and_report_failure.assert_called_once_with( # noqa: E501
+ description="TestDesc"
+ )
+
+ def test_report_failure_to_fabric_with_no_desc_calls_shim_report_failure(
+ self,
+ ):
+ azure_helper.report_failure_to_fabric()
+ # default err message description should be shown to the user
+ # if no description is passed in
+ self.m_shim.return_value.register_with_azure_and_report_failure.assert_called_once_with( # noqa: E501
+ description=(
+ azure_helper.DEFAULT_REPORT_FAILURE_USER_VISIBLE_MESSAGE
+ )
+ )
+
+ def test_report_failure_to_fabric_empty_desc_calls_shim_report_failure(
+ self,
+ ):
+ azure_helper.report_failure_to_fabric(description="")
+ # default err message description should be shown to the user
+ # if an empty description is passed in
+ self.m_shim.return_value.register_with_azure_and_report_failure.assert_called_once_with( # noqa: E501
+ description=(
+ azure_helper.DEFAULT_REPORT_FAILURE_USER_VISIBLE_MESSAGE
+ )
+ )
+
+ def test_instantiates_shim_with_kwargs(self):
+ m_fallback_lease_file = mock.MagicMock()
+ m_dhcp_options = mock.MagicMock()
+ azure_helper.report_failure_to_fabric(
+ fallback_lease_file=m_fallback_lease_file, dhcp_opts=m_dhcp_options
+ )
+ self.m_shim.assert_called_once_with(
+ fallback_lease_file=m_fallback_lease_file,
+ dhcp_options=m_dhcp_options,
+ )
+
+
+class TestExtractIpAddressFromNetworkd(CiTestCase):
+
+ azure_lease = dedent(
+ """\
+ # This is private data. Do not parse.
+ ADDRESS=10.132.0.5
+ NETMASK=255.255.255.255
+ ROUTER=10.132.0.1
+ SERVER_ADDRESS=169.254.169.254
+ NEXT_SERVER=10.132.0.1
+ MTU=1460
+ T1=43200
+ T2=75600
+ LIFETIME=86400
+ DNS=169.254.169.254
+ NTP=169.254.169.254
+ DOMAINNAME=c.ubuntu-foundations.internal
+ DOMAIN_SEARCH_LIST=c.ubuntu-foundations.internal google.internal
+ HOSTNAME=tribaal-test-171002-1349.c.ubuntu-foundations.internal
+ ROUTES=10.132.0.1/32,0.0.0.0 0.0.0.0/0,10.132.0.1
+ CLIENTID=ff405663a200020000ab11332859494d7a8b4c
+ OPTION_245=624c3620
+ """
+ )
+
+ def setUp(self):
+ super(TestExtractIpAddressFromNetworkd, self).setUp()
+ self.lease_d = self.tmp_dir()
+
+ def test_no_valid_leases_is_none(self):
+ """No valid leases should return None."""
+ self.assertIsNone(
+ wa_shim._networkd_get_value_from_leases(self.lease_d)
+ )
+
+ def test_option_245_is_found_in_single(self):
+ """A single valid lease with 245 option should return it."""
+ populate_dir(self.lease_d, {"9": self.azure_lease})
+ self.assertEqual(
+ "624c3620", wa_shim._networkd_get_value_from_leases(self.lease_d)
+ )
+
+ def test_option_245_not_found_returns_None(self):
+ """A valid lease, but no option 245 should return None."""
+ populate_dir(
+ self.lease_d,
+ {"9": self.azure_lease.replace("OPTION_245", "OPTION_999")},
+ )
+ self.assertIsNone(
+ wa_shim._networkd_get_value_from_leases(self.lease_d)
+ )
+
+ def test_multiple_returns_first(self):
+ """Somewhat arbitrarily return the first address when multiple.
+
+ Most important at the moment is that this is consistent behavior
+ rather than changing randomly as in order of a dictionary."""
+ myval = "624c3601"
+ populate_dir(
+ self.lease_d,
+ {
+ "9": self.azure_lease,
+ "2": self.azure_lease.replace("624c3620", myval),
+ },
+ )
+ self.assertEqual(
+ myval, wa_shim._networkd_get_value_from_leases(self.lease_d)
+ )
+
+
+# vi: ts=4 expandtab