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add add_host action plugin - add hosts to inventory during a playbook
run - lets act on those hosts in the next play
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lib/ansible/runner/action_plugins/add_host.py
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70
lib/ansible/runner/action_plugins/add_host.py
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# Copyright 2012, Seth Vidal <skvidal@fedoraproject.org>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import ansible
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from ansible.callbacks import vv
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from ansible.errors import AnsibleError as ae
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from ansible.runner.return_data import ReturnData
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from ansible.utils import parse_kv, template
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from ansible.inventory.host import Host
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from ansible.inventory.group import Group
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class ActionModule(object):
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''' Create inventory hosts and groups in the memory inventory'''
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### We need to be able to modify the inventory
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BYPASS_HOST_LOOP = True
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def __init__(self, runner):
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self.runner = runner
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def run(self, conn, tmp, module_name, module_args, inject):
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args = parse_kv(self.runner.module_args)
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if not 'hostname' in args:
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raise ae("'hostname' is a required argument.")
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vv("created 'add_host' ActionModule: hostname=%s"%(args['hostname']))
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result = {'changed': True}
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new_host = Host(args['hostname'])
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inventory = self.runner.inventory
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# add the new host to the 'all' group
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allgroup = inventory.get_group('all')
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allgroup.add_host(new_host)
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result['changed'] = True
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# add it to the group if that was specified
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if 'groupname' in args:
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if not inventory.get_group(args['groupname']):
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new_group = Group(args['groupname'])
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inventory.add_group(new_group)
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ngobj = inventory.get_group(args['groupname'])
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ngobj.add_host(new_host)
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vv("created 'add_host' ActionModule: groupname=%s"%(args['groupname']))
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result['new_group'] = args['groupname']
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result['new_host'] = args['hostname']
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return ReturnData(conn=conn, comm_ok=True, result=result)
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23
library/add_host
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library/add_host
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# -*- mode: python -*-
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DOCUMENTATION = '''
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---
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module: add_host
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short_description: add a host (and alternatively a group) to the ansible-playbook in-memory inventory
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description:
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- Use variables to create new hosts and groups in inventory for use in later plays of the same playbook
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version_added: 0.9
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options:
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hostname:
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description:
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- The hostname/ip of the host to add to the inventory
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required: true
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groupname:
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description:
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- The groupname to add the hostname to.
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required: false
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author: Seth Vidal
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examples:
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- description: add host to group 'just_created'
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code: add_host hostname=${ip_from_ec2create} groupname=just_created
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'''
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