80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
# Copyright 2017, Major Hayden <major@mhtx.net>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Get system uptime."""
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import os
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import platform
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import click
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from monitorstack.cli import pass_context
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import psutil
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DOC = """Check if a process is running."""
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COMMAND_NAME = 'process'
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@click.command(COMMAND_NAME, short_help=DOC)
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@click.argument('process_name', nargs=1, type=str, required=True)
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@pass_context
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def cli(ctx, process_name):
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"""Check if a process is running."""
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setattr(cli, '__doc__', DOC)
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output = {
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'exit_code': 0,
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'message': 'process check is ok',
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'measurement_name': 'process',
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'meta': {
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'platform': platform.platform(),
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},
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'variables': {}
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}
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if check_process(process_name):
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output['variables'] = {process_name: 1}
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else:
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output['exit_code'] = 1
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output['message'] = '{} failed -- Process {} not found'.format(
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COMMAND_NAME,
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process_name
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)
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output['variables'] = {process_name: 0}
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return output
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def check_process(process_name):
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"""Check if a process is in the list of cmdlines."""
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matches = [x for x in get_cmdlines() if process_name in x]
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return True if len(matches) > 0 else False
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def get_cmdlines():
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"""Retrieve the cmdline of each process running on the system."""
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processes = []
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# Get our current PID as well as the parent so we can exclude them.
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current_pid = os.getpid()
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parent_pid = os.getppid()
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for proc in psutil.process_iter():
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try:
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if proc.pid not in [current_pid, parent_pid]:
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processes.append(' '.join(proc.cmdline()))
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except psutil.NoSuchProcess:
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pass
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return processes
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