# -*- coding: utf-8 -*- # Copyright (c) 2021, Cliff Hults # Copyright (c) 2021 Ansible Project # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt) # SPDX-License-Identifier: GPL-3.0-or-later from __future__ import (absolute_import, division, print_function) __metaclass__ = type DOCUMENTATION = ''' name: icinga2 short_description: Icinga2 inventory source version_added: 3.7.0 author: - Cliff Hults (@BongoEADGC6) description: - Get inventory hosts from the Icinga2 API. - "Uses a configuration file as an inventory source, it must end in C(.icinga2.yml) or C(.icinga2.yaml)." extends_documentation_fragment: - constructed options: strict: version_added: 4.4.0 compose: version_added: 4.4.0 groups: version_added: 4.4.0 keyed_groups: version_added: 4.4.0 plugin: description: Name of the plugin. required: true type: string choices: ['community.general.icinga2'] url: description: Root URL of Icinga2 API. type: string required: true user: description: Username to query the API. type: string required: true password: description: Password to query the API. type: string required: true host_filter: description: - An Icinga2 API valid host filter. Leave blank for no filtering type: string required: false validate_certs: description: Enables or disables SSL certificate verification. type: boolean default: true inventory_attr: description: - Allows the override of the inventory name based on different attributes. - This allows for changing the way limits are used. - The current default, V(address), is sometimes not unique or present. We recommend to use V(name) instead. type: string default: address choices: ['name', 'display_name', 'address'] version_added: 4.2.0 group_by_hostgroups: description: - Uses Icinga2 hostgroups as groups. type: boolean default: true version_added: 8.4.0 ''' EXAMPLES = r''' # my.icinga2.yml plugin: community.general.icinga2 url: http://localhost:5665 user: ansible password: secure host_filter: \"linux-servers\" in host.groups validate_certs: false # only do this when connecting to localhost! inventory_attr: name groups: # simple name matching webservers: inventory_hostname.startswith('web') # using icinga2 template databaseservers: "'db-template' in (icinga2_attributes.templates|list)" compose: # set all icinga2 attributes to a host variable 'icinga2_attrs' icinga2_attrs: icinga2_attributes # set 'ansible_user' and 'ansible_port' from icinga2 host vars ansible_user: icinga2_attributes.vars.ansible_user ansible_port: icinga2_attributes.vars.ansible_port | default(22) ''' import json from ansible.errors import AnsibleParserError from ansible.plugins.inventory import BaseInventoryPlugin, Constructable from ansible.module_utils.urls import open_url from ansible.module_utils.six.moves.urllib.error import HTTPError from ansible.utils.unsafe_proxy import wrap_var as make_unsafe class InventoryModule(BaseInventoryPlugin, Constructable): ''' Host inventory parser for ansible using Icinga2 as source. ''' NAME = 'community.general.icinga2' def __init__(self): super(InventoryModule, self).__init__() # from config self.icinga2_url = None self.icinga2_user = None self.icinga2_password = None self.ssl_verify = None self.host_filter = None self.inventory_attr = None self.group_by_hostgroups = 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(('icinga2.yaml', 'icinga2.yml')): valid = True else: self.display.vvv('Skipping due to inventory source not ending in "icinga2.yaml" nor "icinga2.yml"') return valid def _api_connect(self): self.headers = { 'User-Agent': "ansible-icinga2-inv", 'Accept': "application/json", } api_status_url = self.icinga2_url + "/status" request_args = { 'headers': self.headers, 'url_username': self.icinga2_user, 'url_password': self.icinga2_password, 'validate_certs': self.ssl_verify } open_url(api_status_url, **request_args) def _post_request(self, request_url, data=None): self.display.vvv("Requested URL: %s" % request_url) request_args = { 'headers': self.headers, 'url_username': self.icinga2_user, 'url_password': self.icinga2_password, 'validate_certs': self.ssl_verify } if data is not None: request_args['data'] = json.dumps(data) self.display.vvv("Request Args: %s" % request_args) try: response = open_url(request_url, **request_args) except HTTPError as e: try: error_body = json.loads(e.read().decode()) self.display.vvv("Error returned: {0}".format(error_body)) except Exception: error_body = {"status": None} if e.code == 404 and error_body.get('status') == "No objects found.": raise AnsibleParserError("Host filter returned no data. Please confirm your host_filter value is valid") raise AnsibleParserError("Unexpected data returned: {0} -- {1}".format(e, error_body)) response_body = response.read() json_data = json.loads(response_body.decode('utf-8')) self.display.vvv("Returned Data: %s" % json.dumps(json_data, indent=4, sort_keys=True)) if 200 <= response.status <= 299: return json_data if response.status == 404 and json_data['status'] == "No objects found.": raise AnsibleParserError( "API returned no data -- Response: %s - %s" % (response.status, json_data['status'])) if response.status == 401: raise AnsibleParserError( "API was unable to complete query -- Response: %s - %s" % (response.status, json_data['status'])) if response.status == 500: raise AnsibleParserError( "API Response - %s - %s" % (json_data['status'], json_data['errors'])) raise AnsibleParserError( "Unexpected data returned - %s - %s" % (json_data['status'], json_data['errors'])) def _query_hosts(self, hosts=None, attrs=None, joins=None, host_filter=None): query_hosts_url = "{0}/objects/hosts".format(self.icinga2_url) self.headers['X-HTTP-Method-Override'] = 'GET' data_dict = dict() if hosts: data_dict['hosts'] = hosts if attrs is not None: data_dict['attrs'] = attrs if joins is not None: data_dict['joins'] = joins if host_filter is not None: data_dict['filter'] = host_filter.replace("\\\"", "\"") self.display.vvv(host_filter) host_dict = self._post_request(query_hosts_url, data_dict) return host_dict['results'] def get_inventory_from_icinga(self): """Query for all hosts """ self.display.vvv("Querying Icinga2 for inventory") query_args = { "attrs": ["address", "address6", "name", "display_name", "state_type", "state", "templates", "groups", "vars", "zone"], } if self.host_filter is not None: query_args['host_filter'] = self.host_filter # Icinga2 API Call results_json = self._query_hosts(**query_args) # Manipulate returned API data to Ansible inventory spec ansible_inv = self._convert_inv(results_json) return ansible_inv def _apply_constructable(self, name, variables): strict = self.get_option('strict') self._add_host_to_composed_groups(self.get_option('groups'), variables, name, strict=strict) self._add_host_to_keyed_groups(self.get_option('keyed_groups'), variables, name, strict=strict) self._set_composite_vars(self.get_option('compose'), variables, name, strict=strict) def _populate(self): groups = self._to_json(self.get_inventory_from_icinga()) return groups def _to_json(self, in_dict): """Convert dictionary to JSON""" return json.dumps(in_dict, sort_keys=True, indent=2) def _convert_inv(self, json_data): """Convert Icinga2 API data to JSON format for Ansible""" groups_dict = {"_meta": {"hostvars": {}}} for entry in json_data: host_attrs = make_unsafe(entry['attrs']) if self.inventory_attr == "name": host_name = make_unsafe(entry.get('name')) if self.inventory_attr == "address": # When looking for address for inventory, if missing fallback to object name if host_attrs.get('address', '') != '': host_name = make_unsafe(host_attrs.get('address')) else: host_name = make_unsafe(entry.get('name')) if self.inventory_attr == "display_name": host_name = host_attrs.get('display_name') if host_attrs['state'] == 0: host_attrs['state'] = 'on' else: host_attrs['state'] = 'off' self.inventory.add_host(host_name) if self.group_by_hostgroups: host_groups = host_attrs.get('groups') for group in host_groups: if group not in self.inventory.groups.keys(): self.inventory.add_group(group) self.inventory.add_child(group, host_name) # If the address attribute is populated, override ansible_host with the value if host_attrs.get('address') != '': self.inventory.set_variable(host_name, 'ansible_host', host_attrs.get('address')) self.inventory.set_variable(host_name, 'hostname', make_unsafe(entry.get('name'))) self.inventory.set_variable(host_name, 'display_name', host_attrs.get('display_name')) self.inventory.set_variable(host_name, 'state', host_attrs['state']) self.inventory.set_variable(host_name, 'state_type', host_attrs['state_type']) # Adds all attributes to a variable 'icinga2_attributes' construct_vars = dict(self.inventory.get_host(host_name).get_vars()) construct_vars['icinga2_attributes'] = host_attrs self._apply_constructable(host_name, construct_vars) return groups_dict 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) # Store the options from the YAML file self.icinga2_url = self.get_option('url') self.icinga2_user = self.get_option('user') self.icinga2_password = self.get_option('password') self.ssl_verify = self.get_option('validate_certs') self.host_filter = self.get_option('host_filter') self.inventory_attr = self.get_option('inventory_attr') self.group_by_hostgroups = self.get_option('group_by_hostgroups') if self.templar.is_template(self.icinga2_url): self.icinga2_url = self.templar.template(variable=self.icinga2_url, disable_lookups=False) if self.templar.is_template(self.icinga2_user): self.icinga2_user = self.templar.template(variable=self.icinga2_user, disable_lookups=False) if self.templar.is_template(self.icinga2_password): self.icinga2_password = self.templar.template(variable=self.icinga2_password, disable_lookups=False) self.icinga2_url = self.icinga2_url.rstrip('/') + '/v1' # Not currently enabled # self.cache_key = self.get_cache_key(path) # self.use_cache = cache and self.get_option('cache') # Test connection to API self._api_connect() # Call our internal helper to populate the dynamic inventory self._populate()