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Add test for osProfile.linuxConfiguration.provisionVMAgent (#2826)
* Add test for osProfile.linuxConfiguration.provisionVMAgent * add files * pylint * added messages * ssh issue --------- Co-authored-by: narrieta <narrieta>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| # | ||
| # Disables Agent provisioning using osProfile.linuxConfiguration.provisionVMAgent and verifies that the agent is disabled | ||
| # and extension operations are not allowed. | ||
| # | ||
| name: "AgentNotProvisioned" | ||
| tests: | ||
| - "agent_not_provisioned/agent_not_provisioned.py" | ||
| images: "random(endorsed)" | ||
| template: "agent_not_provisioned/template.py" | ||
| owns_vm: true | ||
| install_test_agent: false | ||
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90 changes: 90 additions & 0 deletions
90
tests_e2e/tests/agent_not_provisioned/agent_not_provisioned.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| #!/usr/bin/env python3 | ||
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| # Microsoft Azure Linux Agent | ||
| # | ||
| # Copyright 2018 Microsoft Corporation | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| from assertpy import fail, assert_that | ||
| from typing import Any, Dict, List | ||
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| from azure.mgmt.compute.models import VirtualMachineInstanceView | ||
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| from tests_e2e.tests.lib.agent_test import AgentTest | ||
| from tests_e2e.tests.lib.identifiers import VmExtensionIds | ||
| from tests_e2e.tests.lib.logging import log | ||
| from tests_e2e.tests.lib.shell import CommandError | ||
| from tests_e2e.tests.lib.ssh_client import SshClient | ||
| from tests_e2e.tests.lib.virtual_machine_client import VirtualMachineClient | ||
| from tests_e2e.tests.lib.virtual_machine_extension_client import VirtualMachineExtensionClient | ||
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| class AgentNotProvisioned(AgentTest): | ||
| """ | ||
| When osProfile.linuxConfiguration.provisionVMAgent is set to 'false', this test verifies that | ||
| the agent is disabled and that extension operations are not allowed. | ||
| """ | ||
| def run(self): | ||
| # | ||
| # Check the agent's log for the messages that indicate it is disabled. | ||
| # | ||
| ssh_client: SshClient = self._context.create_ssh_client() | ||
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| log.info("Checking the Agent's log to verify that it is disabled.") | ||
| try: | ||
| output = ssh_client.run_command(""" | ||
| grep -E 'WARNING.*Daemon.*Disabling guest agent in accordance with ovf-env.xml' /var/log/waagent.log || \ | ||
| grep -E 'WARNING.*Daemon.*Disabling the guest agent by sleeping forever; to re-enable, remove /var/lib/waagent/disable_agent and restart' /var/log/waagent.log | ||
| """) | ||
| log.info("The Agent is disabled, log message: [%s]", output.rstrip()) | ||
| except CommandError as e: | ||
| fail(f"The agent's log does not contain the expected messages: {e}") | ||
|
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| # | ||
| # Validate that the agent is not reporting status. | ||
| # | ||
| log.info("Verifying that the Agent status is 'Not Ready' (i.e. it is not reporting status).") | ||
| vm: VirtualMachineClient = VirtualMachineClient(self._context.vm) | ||
| instance_view: VirtualMachineInstanceView = vm.get_instance_view() | ||
| log.info("Instance view of VM Agent:\n%s", instance_view.vm_agent.serialize()) | ||
| assert_that(instance_view.vm_agent.statuses).described_as("The VM agent should have exactly 1 status").is_length(1) | ||
| assert_that(instance_view.vm_agent.statuses[0].code).described_as("The VM Agent should not be available").is_equal_to('ProvisioningState/Unavailable') | ||
| assert_that(instance_view.vm_agent.statuses[0].display_status).described_as("The VM Agent should not ready").is_equal_to('Not Ready') | ||
| log.info("The Agent status is 'Not Ready'") | ||
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| # | ||
| # Validate that extensions cannot be executed. | ||
| # | ||
| log.info("Verifying that extension processing is disabled.") | ||
| log.info("Executing CustomScript; it should fail.") | ||
| custom_script = VirtualMachineExtensionClient(self._context.vm, VmExtensionIds.CustomScript, resource_name="CustomScript") | ||
| try: | ||
| custom_script.enable(settings={'commandToExecute': "date"}, force_update=True, timeout=20 * 60) | ||
| fail("CustomScript should have failed") | ||
| except Exception as error: | ||
| assert_that("OperationNotAllowed" in str(error)) \ | ||
| .described_as(f"Expected an OperationNotAllowed: {error}") \ | ||
| .is_true() | ||
| log.info("CustomScript failed, as expected: %s", error) | ||
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| def get_ignore_error_rules(self) -> List[Dict[str, Any]]: | ||
| return [ | ||
| {'message': 'Disabling guest agent in accordance with ovf-env.xml'}, | ||
| {'message': 'Disabling the guest agent by sleeping forever; to re-enable, remove /var/lib/waagent/disable_agent and restart'} | ||
| ] | ||
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| if __name__ == "__main__": | ||
| AgentNotProvisioned.run_from_command_line() | ||
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| #!/usr/bin/env python3 | ||
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| # Microsoft Azure Linux Agent | ||
| # | ||
| # Copyright 2018 Microsoft Corporation | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
|
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| from typing import Any | ||
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| def update_arm_template(template: Any) -> None: | ||
| """ | ||
| Customizes the ARM template to set osProfile.linuxConfiguration.provisionVMAgent to false. | ||
| """ | ||
| # | ||
| # NOTE: LISA's template uses this function to generate the value for osProfile.linuxConfiguration. The function is | ||
| # under the 'lisa' namespace. | ||
| # | ||
| # "getLinuxConfiguration": { | ||
| # "parameters": [ | ||
| # { | ||
| # "name": "keyPath", | ||
| # "type": "string" | ||
| # }, | ||
| # { | ||
| # "name": "publicKeyData", | ||
| # "type": "string" | ||
| # } | ||
| # ], | ||
| # "output": { | ||
| # "type": "object", | ||
| # "value": { | ||
| # "disablePasswordAuthentication": true, | ||
| # "ssh": { | ||
| # "publicKeys": [ | ||
| # { | ||
| # "path": "[parameters('keyPath')]", | ||
| # "keyData": "[parameters('publicKeyData')]" | ||
| # } | ||
| # ] | ||
| # }, | ||
| # "provisionVMAgent": true | ||
| # } | ||
| # } | ||
| # } | ||
| # | ||
| # The code below sets template['functions'][i]['members']['getLinuxConfiguration']['output']['value']['provisionVMAgent'] to True, | ||
| # where template['functions'][i] is the 'lisa' namespace. | ||
| # | ||
| functions = template.get("functions") | ||
| if functions is None: | ||
| raise Exception('Cannot find "functions" in the LISA template.') | ||
| for namespace in functions: | ||
| name = namespace.get("namespace") | ||
| if name is None: | ||
| raise Exception(f'Cannot find "namespace" in the LISA template: {namespace}') | ||
| if name == "lisa": | ||
| members = namespace.get('members') | ||
| if members is None: | ||
| raise Exception(f'Cannot find the members of the lisa namespace in the LISA template: {namespace}') | ||
| get_linux_configuration = members.get('getLinuxConfiguration') | ||
| if get_linux_configuration is None: | ||
| raise Exception(f'Cannot find the "getLinuxConfiguration" function the lisa namespace in the LISA template: {namespace}') | ||
| output = get_linux_configuration.get('output') | ||
| if output is None: | ||
| raise Exception(f'Cannot find the "output" of the getLinuxConfiguration function in the LISA template: {get_linux_configuration}') | ||
| value = output.get('value') | ||
| if value is None: | ||
| raise Exception(f"Cannot find the output's value of the getLinuxConfiguration function in the LISA template: {get_linux_configuration}") | ||
| value['provisionVMAgent'] = False | ||
| break | ||
| else: | ||
| raise Exception(f'Cannot find the "lisa" namespace in the LISA template: {functions}') | ||
|
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