mirror of
https://github.com/thegeeklab/ansible-later.git
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266 lines
9.5 KiB
Python
266 lines
9.5 KiB
Python
# Copyright (c) 2017 Ansible Project
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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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DOCUMENTATION = '''
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name: virtualbox
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plugin_type: inventory
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short_description: virtualbox inventory source
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description:
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- Get inventory hosts from the local virtualbox installation.
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- Uses a YAML configuration file that ends with virtualbox.(yml|yaml) or vbox.(yml|yaml).
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- The inventory_hostname is always the 'Name' of the virtualbox instance.
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extends_documentation_fragment:
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- constructed
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- inventory_cache
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options:
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plugin:
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description: token that ensures this is a source file for the 'virtualbox' plugin
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required: True
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choices: ['virtualbox']
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running_only:
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description: toggles showing all vms vs only those currently running
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type: boolean
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default: False
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settings_password_file:
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description: provide a file containing the settings password (equivalent to --settingspwfile)
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network_info_path:
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description: property path to query for network information (ansible_host)
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default: "/VirtualBox/GuestInfo/Net/0/V4/IP"
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query:
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description: create vars from virtualbox properties
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type: dictionary
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default: {}
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'''
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EXAMPLES = '''
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# file must be named vbox.yaml or vbox.yml
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simple_config_file:
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plugin: virtualbox
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settings_password_file: /etc/virtulbox/secrets
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query:
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logged_in_users: /VirtualBox/GuestInfo/OS/LoggedInUsersList
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compose:
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ansible_connection: ('indows' in vbox_Guest_OS)|ternary('winrm', 'ssh')
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'''
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import os
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from collections import MutableMapping
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from subprocess import Popen, PIPE
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from ansible.errors import AnsibleParserError
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from ansible.module_utils._text import to_bytes, to_native, to_text
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from ansible.plugins.inventory import BaseInventoryPlugin, Constructable, Cacheable
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class InventoryModule(BaseInventoryPlugin, Constructable, Cacheable):
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''' Host inventory parser for ansible using local virtualbox. '''
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NAME = 'virtualbox'
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VBOX = b"VBoxManage"
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def _query_vbox_data(self, host, property_path):
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ret = None
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try:
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cmd = [self.VBOX, b'guestproperty', b'get', to_bytes(host, errors='surrogate_or_strict'), to_bytes(property_path, errors='surrogate_or_strict')]
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x = Popen(cmd, stdout=PIPE)
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ipinfo = to_text(x.stdout.read(), errors='surrogate_or_strict')
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if 'Value' in ipinfo:
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a, ip = ipinfo.split(':', 1)
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ret = ip.strip()
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except:
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pass
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return ret
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def _set_variables(self, hostvars):
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# set vars in inventory from hostvars
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for host in hostvars:
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query = self.get_option('query')
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# create vars from vbox properties
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if query and isinstance(query, MutableMapping):
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for varname in query:
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hostvars[host][varname] = self._query_vbox_data(host, query[varname])
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strict = self.get_option('strict')
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# create composite vars
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self._set_composite_vars(self.get_option('compose'), hostvars[host], host, strict=strict)
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# actually update inventory
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for key in hostvars[host]:
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self.inventory.set_variable(host, key, hostvars[host][key])
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# constructed groups based on conditionals
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self._add_host_to_composed_groups(self.get_option('groups'), hostvars[host], host, strict=strict)
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# constructed keyed_groups
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self._add_host_to_keyed_groups(self.get_option('keyed_groups'), hostvars[host], host, strict=strict)
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def _populate_from_cache(self, source_data):
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hostvars = source_data.pop('_meta', {}).get('hostvars', {})
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for group in source_data:
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if group == 'all':
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continue
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else:
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self.inventory.add_group(group)
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hosts = source_data[group].get('hosts', [])
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for host in hosts:
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self._populate_host_vars([host], hostvars.get(host, {}), group)
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self.inventory.add_child('all', group)
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if not source_data:
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for host in hostvars:
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self.inventory.add_host(host)
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self._populate_host_vars([host], hostvars.get(host, {}))
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def _populate_from_source(self, source_data, using_current_cache=False):
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if using_current_cache:
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self._populate_from_cache(source_data)
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return source_data
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cacheable_results = {'_meta': {'hostvars': {}}}
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hostvars = {}
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prevkey = pref_k = ''
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current_host = None
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# needed to possibly set ansible_host
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netinfo = self.get_option('network_info_path')
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for line in source_data:
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line = to_text(line)
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if ':' not in line:
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continue
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try:
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k, v = line.split(':', 1)
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except:
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# skip non splitable
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continue
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if k.strip() == '':
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# skip empty
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continue
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v = v.strip()
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# found host
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if k.startswith('Name') and ',' not in v: # some setting strings appear in Name
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current_host = v
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if current_host not in hostvars:
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hostvars[current_host] = {}
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self.inventory.add_host(current_host)
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# try to get network info
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netdata = self._query_vbox_data(current_host, netinfo)
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if netdata:
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self.inventory.set_variable(current_host, 'ansible_host', netdata)
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# found groups
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elif k == 'Groups':
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for group in v.split('/'):
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if group:
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if group not in cacheable_results:
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cacheable_results[group] = {'hosts': []}
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self.inventory.add_group(group)
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self.inventory.add_child(group, current_host)
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cacheable_results[group]['hosts'].append(current_host)
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continue
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else:
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# found vars, accumulate in hostvars for clean inventory set
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pref_k = 'vbox_' + k.strip().replace(' ', '_')
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if k.startswith(' '):
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if prevkey not in hostvars[current_host]:
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hostvars[current_host][prevkey] = {}
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hostvars[current_host][prevkey][pref_k] = v
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else:
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if v != '':
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hostvars[current_host][pref_k] = v
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if self._ungrouped_host(current_host, cacheable_results):
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if 'ungrouped' not in cacheable_results:
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cacheable_results['ungrouped'] = {'hosts': []}
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cacheable_results['ungrouped']['hosts'].append(current_host)
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prevkey = pref_k
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self._set_variables(hostvars)
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for host in hostvars:
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h = self.inventory.get_host(host)
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cacheable_results['_meta']['hostvars'][h.name] = h.vars
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return cacheable_results
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def _ungrouped_host(self, host, inventory):
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def find_host(host, inventory):
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for k, v in inventory.items():
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if k == '_meta':
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continue
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if isinstance(v, dict):
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yield self._ungrouped_host(host, v)
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elif isinstance(v, list):
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yield host not in v
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yield True
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return all([found_host for found_host in find_host(host, inventory)])
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def verify_file(self, path):
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valid = False
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if super(InventoryModule, self).verify_file(path):
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if path.endswith(('virtualbox.yaml', 'virtualbox.yml', 'vbox.yaml', 'vbox.yml')):
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valid = True
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return valid
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def parse(self, inventory, loader, path, cache=True):
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super(InventoryModule, self).parse(inventory, loader, path)
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cache_key = self.get_cache_key(path)
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config_data = self._read_config_data(path)
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# set _options from config data
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self._consume_options(config_data)
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source_data = None
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if cache:
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cache = self.get_option('cache')
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update_cache = False
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if cache:
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try:
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source_data = self.cache.get(cache_key)
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except KeyError:
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update_cache = True
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if not source_data:
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b_pwfile = to_bytes(self.get_option('settings_password_file'), errors='surrogate_or_strict')
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running = self.get_option('running_only')
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# start getting data
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cmd = [self.VBOX, b'list', b'-l']
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if running:
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cmd.append(b'runningvms')
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else:
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cmd.append(b'vms')
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if b_pwfile and os.path.exists(b_pwfile):
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cmd.append(b'--settingspwfile')
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cmd.append(b_pwfile)
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try:
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p = Popen(cmd, stdout=PIPE)
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except Exception as e:
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raise AnsibleParserError(to_native(e))
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source_data = p.stdout.read().splitlines()
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using_current_cache = cache and not update_cache
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cacheable_results = self._populate_from_source(source_data, using_current_cache)
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if update_cache:
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self.cache.set(cache_key, cacheable_results)
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