mirror of
https://github.com/ansible-collections/community.general.git
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0330f4b52c
* Make inventory scripts executable
* Mark inventory scripts in vault folder as executable
* Add changelog entry for making inventory scripts exectuable
* Update changelogs/fragments/2337-mark-inventory-scripts-executable.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 2ad004b97b)
Co-authored-by: Alan Rominger <arominge@redhat.com>
121 lines
3.5 KiB
Python
Executable file
121 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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# (c) 2014, Tomas Karasek <tomas.karasek@digile.fi>
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#
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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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# Dynamic inventory script which lets you use aliases from ~/.ssh/config.
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#
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# There were some issues with various Paramiko versions. I took a deeper look
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# and tested heavily. Now, ansible parses this alright with Paramiko versions
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# 1.7.2 to 1.15.2.
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#
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# It prints inventory based on parsed ~/.ssh/config. You can refer to hosts
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# with their alias, rather than with the IP or hostname. It takes advantage
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# of the ansible_ssh_{host,port,user,private_key_file}.
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#
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# If you have in your .ssh/config:
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# Host git
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# HostName git.domain.org
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# User tkarasek
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# IdentityFile /home/tomk/keys/thekey
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#
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# You can do
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# $ ansible git -m ping
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#
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# Example invocation:
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# ssh_config.py --list
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# ssh_config.py --host <alias>
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import argparse
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import os.path
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import sys
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import json
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import paramiko
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from ansible.module_utils.common._collections_compat import MutableSequence
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SSH_CONF = '~/.ssh/config'
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_key = 'ssh_config'
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_ssh_to_ansible = [('user', 'ansible_ssh_user'),
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('hostname', 'ansible_ssh_host'),
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('identityfile', 'ansible_ssh_private_key_file'),
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('port', 'ansible_ssh_port')]
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def get_config():
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if not os.path.isfile(os.path.expanduser(SSH_CONF)):
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return {}
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with open(os.path.expanduser(SSH_CONF)) as f:
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cfg = paramiko.SSHConfig()
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cfg.parse(f)
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ret_dict = {}
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for d in cfg._config:
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if isinstance(d['host'], MutableSequence):
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alias = d['host'][0]
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else:
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alias = d['host']
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if ('?' in alias) or ('*' in alias):
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continue
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_copy = dict(d)
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del _copy['host']
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if 'config' in _copy:
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ret_dict[alias] = _copy['config']
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else:
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ret_dict[alias] = _copy
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return ret_dict
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def print_list():
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cfg = get_config()
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meta = {'hostvars': {}}
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for alias, attributes in cfg.items():
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tmp_dict = {}
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for ssh_opt, ans_opt in _ssh_to_ansible:
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if ssh_opt in attributes:
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# If the attribute is a list, just take the first element.
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# Private key is returned in a list for some reason.
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attr = attributes[ssh_opt]
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if isinstance(attr, MutableSequence):
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attr = attr[0]
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tmp_dict[ans_opt] = attr
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if tmp_dict:
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meta['hostvars'][alias] = tmp_dict
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print(json.dumps({_key: list(set(meta['hostvars'].keys())), '_meta': meta}))
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def print_host(host):
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cfg = get_config()
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print(json.dumps(cfg[host]))
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def get_args(args_list):
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parser = argparse.ArgumentParser(
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description='ansible inventory script parsing .ssh/config')
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mutex_group = parser.add_mutually_exclusive_group(required=True)
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help_list = 'list all hosts from .ssh/config inventory'
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mutex_group.add_argument('--list', action='store_true', help=help_list)
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help_host = 'display variables for a host'
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mutex_group.add_argument('--host', help=help_host)
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return parser.parse_args(args_list)
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def main(args_list):
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args = get_args(args_list)
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if args.list:
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print_list()
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if args.host:
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print_host(args.host)
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if __name__ == '__main__':
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main(sys.argv[1:])
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