7c8b046b5f
* Copy in incidental posix tests. * Update incidental test aliases. * Update target names. * Add support plugins. * Fix paths. * Update ignores. * Update integration-aliases sanity test. * Add incidental tests to CI.
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2019, Saranya Sridharan
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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module: pids
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version_added: 2.8
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description: "Retrieves a list of PIDs of given process name in Ansible controller/controlled machines.Returns an empty list if no process in that name exists."
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short_description: "Retrieves process IDs list if the process is running otherwise return empty list"
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author:
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- Saranya Sridharan (@saranyasridharan)
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requirements:
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- psutil(python module)
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options:
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name:
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description: the name of the process you want to get PID for.
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required: true
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type: str
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'''
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EXAMPLES = '''
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# Pass the process name
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- name: Getting process IDs of the process
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pids:
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name: python
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register: pids_of_python
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- name: Printing the process IDs obtained
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debug:
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msg: "PIDS of python:{{pids_of_python.pids|join(',')}}"
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'''
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RETURN = '''
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pids:
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description: Process IDs of the given process
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returned: list of none, one, or more process IDs
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type: list
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sample: [100,200]
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'''
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from ansible.module_utils.basic import AnsibleModule
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try:
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import psutil
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HAS_PSUTIL = True
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except ImportError:
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HAS_PSUTIL = False
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def compare_lower(a, b):
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if a is None or b is None:
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# this could just be "return False" but would lead to surprising behavior if both a and b are None
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return a == b
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return a.lower() == b.lower()
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def get_pid(name):
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pids = []
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for proc in psutil.process_iter(attrs=['name', 'cmdline']):
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if compare_lower(proc.info['name'], name) or \
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proc.info['cmdline'] and compare_lower(proc.info['cmdline'][0], name):
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pids.append(proc.pid)
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return pids
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True, type="str"),
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),
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supports_check_mode=True,
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)
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if not HAS_PSUTIL:
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module.fail_json(msg="Missing required 'psutil' python module. Try installing it with: pip install psutil")
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name = module.params["name"]
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response = dict(pids=get_pid(name))
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module.exit_json(**response)
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if __name__ == '__main__':
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main()
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