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ansible/test/support/integration/plugins/inventory/foreman.py

296 lines
12 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2016 Guido Günther <agx@sigxcpu.org>, Daniel Lobato Garcia <dlobatog@redhat.com>
# Copyright (c) 2018 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: foreman
plugin_type: inventory
short_description: foreman inventory source
version_added: "2.6"
requirements:
- requests >= 1.1
description:
- Get inventory hosts from the foreman service.
- "Uses a configuration file as an inventory source, it must end in ``.foreman.yml`` or ``.foreman.yaml`` and has a ``plugin: foreman`` entry."
extends_documentation_fragment:
- inventory_cache
- constructed
options:
plugin:
description: the name of this plugin, it should always be set to 'foreman' for this plugin to recognize it as it's own.
required: True
choices: ['foreman']
url:
description: url to foreman
default: 'http://localhost:3000'
env:
- name: FOREMAN_SERVER
version_added: "2.8"
user:
description: foreman authentication user
required: True
env:
- name: FOREMAN_USER
version_added: "2.8"
password:
description: foreman authentication password
required: True
env:
- name: FOREMAN_PASSWORD
version_added: "2.8"
validate_certs:
description: verify SSL certificate if using https
type: boolean
default: False
group_prefix:
description: prefix to apply to foreman groups
default: foreman_
vars_prefix:
description: prefix to apply to host variables, does not include facts nor params
default: foreman_
want_facts:
description: Toggle, if True the plugin will retrieve host facts from the server
type: boolean
default: False
want_params:
description: Toggle, if true the inventory will retrieve 'all_parameters' information as host vars
type: boolean
default: False
want_hostcollections:
description: Toggle, if true the plugin will create Ansible groups for host collections
type: boolean
default: False
version_added: '2.10'
want_ansible_ssh_host:
description: Toggle, if true the plugin will populate the ansible_ssh_host variable to explicitly specify the connection target
type: boolean
default: False
version_added: '2.10'
'''
EXAMPLES = '''
# my.foreman.yml
plugin: foreman
url: http://localhost:2222
user: ansible-tester
password: secure
validate_certs: False
'''
from ansible.module_utils.compat.version import LooseVersion
from ansible.errors import AnsibleError
from ansible.module_utils._text import to_bytes, to_native, to_text
from ansible.module_utils.common._collections_compat import MutableMapping
from ansible.plugins.inventory import BaseInventoryPlugin, Cacheable, to_safe_group_name, Constructable
# 3rd party imports
try:
import requests
if LooseVersion(requests.__version__) < LooseVersion('1.1.0'):
raise ImportError
except ImportError:
raise AnsibleError('This script requires python-requests 1.1 as a minimum version')
from requests.auth import HTTPBasicAuth
class InventoryModule(BaseInventoryPlugin, Cacheable, Constructable):
''' Host inventory parser for ansible using foreman as source. '''
NAME = 'foreman'
def __init__(self):
super(InventoryModule, self).__init__()
# from config
self.foreman_url = None
self.session = None
self.cache_key = None
self.use_cache = None
def verify_file(self, path):
valid = False
if super(InventoryModule, self).verify_file(path):
if path.endswith(('foreman.yaml', 'foreman.yml')):
valid = True
else:
self.display.vvv('Skipping due to inventory source not ending in "foreman.yaml" nor "foreman.yml"')
return valid
def _get_session(self):
if not self.session:
self.session = requests.session()
self.session.auth = HTTPBasicAuth(self.get_option('user'), to_bytes(self.get_option('password')))
self.session.verify = self.get_option('validate_certs')
return self.session
def _get_json(self, url, ignore_errors=None):
if not self.use_cache or url not in self._cache.get(self.cache_key, {}):
if self.cache_key not in self._cache:
self._cache[self.cache_key] = {url: ''}
results = []
s = self._get_session()
params = {'page': 1, 'per_page': 250}
while True:
ret = s.get(url, params=params)
if ignore_errors and ret.status_code in ignore_errors:
break
ret.raise_for_status()
json = ret.json()
# process results
# FIXME: This assumes 'return type' matches a specific query,
# it will break if we expand the queries and they dont have different types
if 'results' not in json:
# /hosts/:id dos not have a 'results' key
results = json
break
elif isinstance(json['results'], MutableMapping):
# /facts are returned as dict in 'results'
results = json['results']
break
else:
# /hosts 's 'results' is a list of all hosts, returned is paginated
results = results + json['results']
# check for end of paging
if len(results) >= json['subtotal']:
break
if len(json['results']) == 0:
self.display.warning("Did not make any progress during loop. expected %d got %d" % (json['subtotal'], len(results)))
break
# get next page
params['page'] += 1
self._cache[self.cache_key][url] = results
return self._cache[self.cache_key][url]
def _get_hosts(self):
return self._get_json("%s/api/v2/hosts" % self.foreman_url)
def _get_all_params_by_id(self, hid):
url = "%s/api/v2/hosts/%s" % (self.foreman_url, hid)
ret = self._get_json(url, [404])
if not ret or not isinstance(ret, MutableMapping) or not ret.get('all_parameters', False):
return {}
return ret.get('all_parameters')
def _get_facts_by_id(self, hid):
url = "%s/api/v2/hosts/%s/facts" % (self.foreman_url, hid)
return self._get_json(url)
def _get_host_data_by_id(self, hid):
url = "%s/api/v2/hosts/%s" % (self.foreman_url, hid)
return self._get_json(url)
def _get_facts(self, host):
"""Fetch all host facts of the host"""
ret = self._get_facts_by_id(host['id'])
if len(ret.values()) == 0:
facts = {}
elif len(ret.values()) == 1:
facts = list(ret.values())[0]
else:
raise ValueError("More than one set of facts returned for '%s'" % host)
return facts
def _populate(self):
for host in self._get_hosts():
if host.get('name'):
host_name = self.inventory.add_host(host['name'])
# create directly mapped groups
group_name = host.get('hostgroup_title', host.get('hostgroup_name'))
if group_name:
group_name = to_safe_group_name('%s%s' % (self.get_option('group_prefix'), group_name.lower().replace(" ", "")))
group_name = self.inventory.add_group(group_name)
self.inventory.add_child(group_name, host_name)
# set host vars from host info
try:
for k, v in host.items():
if k not in ('name', 'hostgroup_title', 'hostgroup_name'):
try:
self.inventory.set_variable(host_name, self.get_option('vars_prefix') + k, v)
except ValueError as e:
self.display.warning("Could not set host info hostvar for %s, skipping %s: %s" % (host, k, to_text(e)))
except ValueError as e:
self.display.warning("Could not get host info for %s, skipping: %s" % (host_name, to_text(e)))
# set host vars from params
if self.get_option('want_params'):
for p in self._get_all_params_by_id(host['id']):
try:
self.inventory.set_variable(host_name, p['name'], p['value'])
except ValueError as e:
self.display.warning("Could not set hostvar %s to '%s' for the '%s' host, skipping: %s" %
(p['name'], to_native(p['value']), host, to_native(e)))
# set host vars from facts
if self.get_option('want_facts'):
self.inventory.set_variable(host_name, 'foreman_facts', self._get_facts(host))
# create group for host collections
if self.get_option('want_hostcollections'):
host_data = self._get_host_data_by_id(host['id'])
hostcollections = host_data.get('host_collections')
if hostcollections:
# Create Ansible groups for host collections
for hostcollection in hostcollections:
try:
hostcollection_group = to_safe_group_name('%shostcollection_%s' % (self.get_option('group_prefix'),
hostcollection['name'].lower().replace(" ", "")))
hostcollection_group = self.inventory.add_group(hostcollection_group)
self.inventory.add_child(hostcollection_group, host_name)
except ValueError as e:
self.display.warning("Could not create groups for host collections for %s, skipping: %s" % (host_name, to_text(e)))
# put ansible_ssh_host as hostvar
if self.get_option('want_ansible_ssh_host'):
for key in ('ip', 'ipv4', 'ipv6'):
if host.get(key):
try:
self.inventory.set_variable(host_name, 'ansible_ssh_host', host[key])
break
except ValueError as e:
self.display.warning("Could not set hostvar ansible_ssh_host to '%s' for the '%s' host, skipping: %s" %
(host[key], host_name, to_text(e)))
strict = self.get_option('strict')
hostvars = self.inventory.get_host(host_name).get_vars()
self._set_composite_vars(self.get_option('compose'), hostvars, host_name, strict)
self._add_host_to_composed_groups(self.get_option('groups'), hostvars, host_name, strict)
self._add_host_to_keyed_groups(self.get_option('keyed_groups'), hostvars, host_name, strict)
def parse(self, inventory, loader, path, cache=True):
super(InventoryModule, self).parse(inventory, loader, path)
# read config from file, this sets 'options'
self._read_config_data(path)
# get connection host
self.foreman_url = self.get_option('url')
self.cache_key = self.get_cache_key(path)
self.use_cache = cache and self.get_option('cache')
# actually populate inventory
self._populate()