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Current File : //usr/lib/python2.7/site-packages/salt/roster/ansible.py

# -*- coding: utf-8 -*-
'''
Read in an Ansible inventory file or script

Flat inventory files should be in the regular ansible inventory format.

.. code-block:: ini

    [servers]
    salt.gtmanfred.com ansible_ssh_user=gtmanfred ansible_ssh_host=127.0.0.1 ansible_ssh_port=22 ansible_ssh_pass='password'

    [desktop]
    home ansible_ssh_user=gtmanfred ansible_ssh_host=12.34.56.78 ansible_ssh_port=23 ansible_ssh_pass='password'

    [computers:children]
    desktop
    servers

    [names:vars]
    http_port=80

then salt-ssh can be used to hit any of them

.. code-block:: bash

    [~]# salt-ssh -N all test.ping
    salt.gtmanfred.com:
        True
    home:
        True
    [~]# salt-ssh -N desktop test.ping
    home:
        True
    [~]# salt-ssh -N computers test.ping
    salt.gtmanfred.com:
        True
    home:
        True
    [~]# salt-ssh salt.gtmanfred.com test.ping
    salt.gtmanfred.com:
        True

There is also the option of specifying a dynamic inventory, and generating it on the fly

.. code-block:: bash

    #!/bin/bash
    echo '{
      "servers": [
        "salt.gtmanfred.com"
      ],
      "desktop": [
        "home"
      ],
      "computers": {
        "hosts": [],
        "children": [
          "desktop",
          "servers"
        ]
      },
      "_meta": {
        "hostvars": {
          "salt.gtmanfred.com": {
            "ansible_ssh_user": "gtmanfred",
            "ansible_ssh_host": "127.0.0.1",
            "ansible_sudo_pass": "password",
            "ansible_ssh_port": 22
          },
          "home": {
            "ansible_ssh_user": "gtmanfred",
            "ansible_ssh_host": "12.34.56.78",
            "ansible_sudo_pass": "password",
            "ansible_ssh_port": 23
          }
        }
      }
    }'

This is the format that an inventory script needs to output to work with ansible, and thus here.

.. code-block:: bash

    [~]# salt-ssh --roster-file /etc/salt/hosts salt.gtmanfred.com test.ping
    salt.gtmanfred.com:
            True

Any of the [groups] or direct hostnames will return.  The 'all' is special, and returns everything.
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals
import copy
import fnmatch

# Import Salt libs
import salt.utils.path
from salt.roster import get_roster_file

CONVERSION = {
    'ansible_ssh_host': 'host',
    'ansible_ssh_port': 'port',
    'ansible_ssh_user': 'user',
    'ansible_ssh_pass': 'passwd',
    'ansible_sudo_pass': 'sudo',
    'ansible_ssh_private_key_file': 'priv'
}

__virtualname__ = 'ansible'


def __virtual__():
    return salt.utils.path.which('ansible-inventory') and __virtualname__, 'Install `ansible` to use inventory'


def targets(tgt, tgt_type='glob', **kwargs):
    '''
    Return the targets from the ansible inventory_file
    Default: /etc/salt/roster
    '''
    inventory = __runner__['salt.cmd']('cmd.run', 'ansible-inventory -i {0} --list'.format(get_roster_file(__opts__)))
    __context__['inventory'] = __utils__['json.loads'](__utils__['stringutils.to_str'](inventory))

    if tgt_type == 'glob':
        hosts = [host for host in _get_hosts_from_group('all') if fnmatch.fnmatch(host, tgt)]
    elif tgt_type == 'nodegroup':
        hosts = _get_hosts_from_group(tgt)
    return {host: _get_hostvars(host) for host in hosts}


def _get_hosts_from_group(group):
    inventory = __context__['inventory']
    hosts = [host for host in inventory[group].get('hosts', [])]
    for child in inventory[group].get('children', []):
        hosts.extend(_get_hosts_from_group(child))
    return hosts


def _get_hostvars(host):
    hostvars = __context__['inventory']['_meta'].get('hostvars', {}).get(host, {})
    ret = copy.deepcopy(__opts__.get('roster_defaults', {}))
    for value in CONVERSION:
        if value in hostvars:
            ret[CONVERSION[value]] = hostvars.pop(value)
    ret['minion_opts'] = hostvars
    if 'host' not in ret:
        ret['host'] = host
    return ret

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