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91acc44c34
* Update CI (#1782) * Update targets for CI for devel branch; move some targets to stable-2.10. * Skipping test on RHEL 8.3 (it is already skipped on RHEL 8.2). * Linting. * Shut 2.9/2.10 pylint complaints up. * More sanity. * Bump CI to FreeBSD 11.4, 12.2. (#1657) * Bump CI to FreeBSD 11.4, 12.2. * Make FreeBSD Python package selection more future-proof. (cherry picked from commitc1eb0a232c) * Add macOS 11.1 tests (#1619) * Add macOS 11.1 tests. * Hopefully fix virtualenv.sh problems. (cherry picked from commit74174f11ff) * Skip all postgresql tests on FreeBSD. * Skip kubevirt inventory tests on macOS.
60 lines
2 KiB
Python
60 lines
2 KiB
Python
#!/usr/bin/env python
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#
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# (c) 2015-16 Florian Haas, hastexo Professional Services GmbH
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# <florian@hastexo.com>
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# Based in part on:
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# libvirt_lxc.py, (c) 2013, Michael Scherer <misc@zarb.org>
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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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"""
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Ansible inventory script for LXC containers. Requires Python
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bindings for LXC API.
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In LXC, containers can be grouped by setting the lxc.group option,
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which may be found more than once in a container's
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configuration. So, we enumerate all containers, fetch their list
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of groups, and then build the dictionary in the way Ansible expects
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it.
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"""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import sys
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import lxc
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import json
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def build_dict():
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"""Returns a dictionary keyed to the defined LXC groups. All
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containers, including the ones not in any group, are included in the
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"all" group."""
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# Enumerate all containers, and list the groups they are in. Also,
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# implicitly add every container to the 'all' group.
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containers = dict([(c,
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['all'] +
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(lxc.Container(c).get_config_item('lxc.group') or []))
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for c in lxc.list_containers()])
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# Extract the groups, flatten the list, and remove duplicates
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groups = set(sum(containers.values(), []))
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# Create a dictionary for each group (including the 'all' group
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return dict([(g, {'hosts': [k for k, v in containers.items() if g in v],
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'vars': {'ansible_connection': 'lxc'}}) for g in groups])
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def main(argv):
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"""Returns a JSON dictionary as expected by Ansible"""
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result = build_dict()
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if len(argv) == 2 and argv[1] == '--list':
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json.dump(result, sys.stdout)
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elif len(argv) == 3 and argv[1] == '--host':
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json.dump({'ansible_connection': 'lxc'}, sys.stdout)
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else:
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print("Need an argument, either --list or --host <host>", file=sys.stderr)
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if __name__ == '__main__':
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main(sys.argv)
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