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#!/usr/bin/env pypy3
# 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.
#
# This script verifies agent detected unexpected processes in the agent cgroup before cgroup initialization
from assertpy import fail
from azurelinuxagent.common.utils import shellutil
from tests_e2e.tests.lib.cgroup_helpers import check_agent_quota_disabled, check_log_message
from tests_e2e.tests.lib.logging import log
from tests_e2e.tests.lib.retry import retry_if_false
def restart_ext_handler():
log.info("Restarting the extension handler")
shellutil.run_command(["pkill", "-f", "WALinuxAgent.*run-exthandler"])
def verify_agent_cgroups_not_enabled():
"""
Verifies that the agent cgroups not enabled when ama extension(unexpected) processes are found in the agent cgroup
"""
log.info("Verifying agent cgroups are not enabled")
ama_process_found: bool = retry_if_false(lambda: check_log_message("The agent's cgroup includes unexpected processes:.+/var/lib/waagent/Microsoft.Azure.Monitor"))
if not ama_process_found:
fail("Agent failed to found ama extension processes in the agent cgroup")
found: bool = retry_if_false(lambda: check_log_message("Found unexpected processes in the agent cgroup before agent enable cgroups"))
if not found:
fail("Agent failed to found unknown processes in the agent cgroup")
disabled: bool = retry_if_false(check_agent_quota_disabled)
if not disabled:
fail("The agent failed to disable its CPUQuota when cgroups were not enabled")
def main():
restart_ext_handler()
verify_agent_cgroups_not_enabled()
if __name__ == "__main__":
main()
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