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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com> # (c) 2013, Steven Dossett <sdossett@panath.com> # (c) 2017 Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import (absolute_import, division, print_function) __metaclass__ = type DOCUMENTATION = """ name: inventory_hostnames author: - Michael DeHaan - Steven Dossett (!UNKNOWN) <sdossett@panath.com> version_added: "1.3" short_description: list of inventory hosts matching a host pattern description: - "This lookup understands 'host patterns' as used by the C(hosts:) keyword in plays and can return a list of matching hosts from inventory" notes: - this is only worth for 'hostname patterns' it is easier to loop over the group/group_names variables otherwise. """ EXAMPLES = """ - name: show all the hosts matching the pattern, i.e. all but the group www ansible.builtin.debug: msg: "{{ item }}" with_inventory_hostnames: - all:!www """ RETURN = """ _hostnames: description: list of hostnames that matched the host pattern in inventory type: list """ from ansible.errors import AnsibleError from ansible.inventory.manager import InventoryManager from ansible.plugins.lookup import LookupBase class LookupModule(LookupBase): def run(self, terms, variables=None, **kwargs): manager = InventoryManager(self._loader, parse=False) for group, hosts in variables['groups'].items(): manager.add_group(group) for host in hosts: manager.add_host(host, group=group) try: return [h.name for h in manager.get_hosts(pattern=terms)] except AnsibleError: return []