mirror of
https://github.com/ansible-collections/community.general.git
synced 2025-04-15 15:10:31 -07:00
7791fd28ab
inventory plugins: make wrapping variables as unsafe smarter to avoid triggering an AWX bug (#8225)
Make wrapping variables as unsafe smarter to avoid triggering an AWX bug.
(cherry picked from commit 7fd37ea247)
Co-authored-by: Felix Fontein <felix@fontein.de>
329 lines
11 KiB
Python
329 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = r'''
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name: linode
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author:
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- Luke Murphy (@decentral1se)
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short_description: Ansible dynamic inventory plugin for Linode.
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requirements:
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- linode_api4 >= 2.0.0
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description:
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- Reads inventories from the Linode API v4.
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- Uses a YAML configuration file that ends with linode.(yml|yaml).
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- Linode labels are used by default as the hostnames.
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- The default inventory groups are built from groups (deprecated by
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Linode) and not tags.
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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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cache:
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version_added: 4.5.0
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cache_plugin:
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version_added: 4.5.0
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cache_timeout:
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version_added: 4.5.0
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cache_connection:
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version_added: 4.5.0
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cache_prefix:
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version_added: 4.5.0
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plugin:
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description: Marks this as an instance of the 'linode' plugin.
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required: true
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choices: ['linode', 'community.general.linode']
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ip_style:
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description: Populate hostvars with all information available from the Linode APIv4.
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type: string
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default: plain
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choices:
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- plain
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- api
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version_added: 3.6.0
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access_token:
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description: The Linode account personal access token.
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required: true
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env:
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- name: LINODE_ACCESS_TOKEN
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regions:
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description: Populate inventory with instances in this region.
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default: []
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type: list
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elements: string
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tags:
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description: Populate inventory only with instances which have at least one of the tags listed here.
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default: []
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type: list
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elements: string
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version_added: 2.0.0
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types:
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description: Populate inventory with instances with this type.
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default: []
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type: list
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elements: string
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strict:
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version_added: 2.0.0
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compose:
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version_added: 2.0.0
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groups:
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version_added: 2.0.0
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keyed_groups:
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version_added: 2.0.0
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'''
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EXAMPLES = r'''
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# Minimal example. `LINODE_ACCESS_TOKEN` is exposed in environment.
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plugin: community.general.linode
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# You can use Jinja to template the access token.
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plugin: community.general.linode
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access_token: "{{ lookup('ini', 'token', section='your_username', file='~/.config/linode-cli') }}"
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# For older Ansible versions, you need to write this as:
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# access_token: "{{ lookup('ini', 'token section=your_username file=~/.config/linode-cli') }}"
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# Example with regions, types, groups and access token
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plugin: community.general.linode
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access_token: foobar
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regions:
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- eu-west
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types:
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- g5-standard-2
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# Example with keyed_groups, groups, and compose
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plugin: community.general.linode
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access_token: foobar
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keyed_groups:
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- key: tags
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separator: ''
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- key: region
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prefix: region
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groups:
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webservers: "'web' in (tags|list)"
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mailservers: "'mail' in (tags|list)"
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compose:
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# By default, Ansible tries to connect to the label of the instance.
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# Since that might not be a valid name to connect to, you can
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# replace it with the first IPv4 address of the linode as follows:
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ansible_ssh_host: ipv4[0]
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ansible_port: 2222
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# Example where control traffic limited to internal network
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plugin: community.general.linode
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access_token: foobar
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ip_style: api
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compose:
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ansible_host: "ipv4 | community.general.json_query('[?public==`false`].address') | first"
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'''
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from ansible.errors import AnsibleError
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from ansible.plugins.inventory import BaseInventoryPlugin, Constructable, Cacheable
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from ansible_collections.community.general.plugins.plugin_utils.unsafe import make_unsafe
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try:
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from linode_api4 import LinodeClient
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from linode_api4.objects.linode import Instance
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from linode_api4.errors import ApiError as LinodeApiError
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HAS_LINODE = True
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except ImportError:
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HAS_LINODE = False
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class InventoryModule(BaseInventoryPlugin, Constructable, Cacheable):
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NAME = 'community.general.linode'
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def _build_client(self, loader):
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"""Build the Linode client."""
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access_token = self.get_option('access_token')
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if self.templar.is_template(access_token):
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access_token = self.templar.template(variable=access_token, disable_lookups=False)
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if access_token is None:
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raise AnsibleError((
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'Could not retrieve Linode access token '
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'from plugin configuration sources'
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))
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self.client = LinodeClient(access_token)
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def _get_instances_inventory(self):
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"""Retrieve Linode instance information from cloud inventory."""
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try:
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self.instances = self.client.linode.instances()
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except LinodeApiError as exception:
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raise AnsibleError('Linode client raised: %s' % exception)
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def _add_groups(self):
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"""Add Linode instance groups to the dynamic inventory."""
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self.linode_groups = set(
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filter(None, [
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instance.group
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for instance
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in self.instances
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])
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)
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for linode_group in self.linode_groups:
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self.inventory.add_group(linode_group)
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def _filter_by_config(self):
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"""Filter instances by user specified configuration."""
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regions = self.get_option('regions')
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if regions:
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self.instances = [
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instance for instance in self.instances
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if instance.region.id in regions
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]
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types = self.get_option('types')
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if types:
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self.instances = [
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instance for instance in self.instances
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if instance.type.id in types
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]
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tags = self.get_option('tags')
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if tags:
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self.instances = [
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instance for instance in self.instances
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if any(tag in instance.tags for tag in tags)
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]
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def _add_instances_to_groups(self):
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"""Add instance names to their dynamic inventory groups."""
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for instance in self.instances:
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self.inventory.add_host(make_unsafe(instance.label), group=instance.group)
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def _add_hostvars_for_instances(self):
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"""Add hostvars for instances in the dynamic inventory."""
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ip_style = self.get_option('ip_style')
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for instance in self.instances:
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hostvars = instance._raw_json
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hostname = make_unsafe(instance.label)
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for hostvar_key in hostvars:
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if ip_style == 'api' and hostvar_key in ['ipv4', 'ipv6']:
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continue
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self.inventory.set_variable(
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hostname,
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hostvar_key,
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make_unsafe(hostvars[hostvar_key])
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)
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if ip_style == 'api':
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ips = instance.ips.ipv4.public + instance.ips.ipv4.private
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ips += [instance.ips.ipv6.slaac, instance.ips.ipv6.link_local]
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ips += instance.ips.ipv6.pools
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for ip_type in set(ip.type for ip in ips):
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self.inventory.set_variable(
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hostname,
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ip_type,
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make_unsafe(self._ip_data([ip for ip in ips if ip.type == ip_type]))
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)
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def _ip_data(self, ip_list):
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data = []
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for ip in list(ip_list):
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data.append(
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{
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'address': ip.address,
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'subnet_mask': ip.subnet_mask,
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'gateway': ip.gateway,
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'public': ip.public,
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'prefix': ip.prefix,
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'rdns': ip.rdns,
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'type': ip.type
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}
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)
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return data
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def _cacheable_inventory(self):
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return [i._raw_json for i in self.instances]
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def populate(self):
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strict = self.get_option('strict')
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self._filter_by_config()
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self._add_groups()
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self._add_instances_to_groups()
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self._add_hostvars_for_instances()
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for instance in self.instances:
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hostname = make_unsafe(instance.label)
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variables = self.inventory.get_host(hostname).get_vars()
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self._add_host_to_composed_groups(
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self.get_option('groups'),
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variables,
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hostname,
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strict=strict)
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self._add_host_to_keyed_groups(
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self.get_option('keyed_groups'),
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variables,
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hostname,
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strict=strict)
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self._set_composite_vars(
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self.get_option('compose'),
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variables,
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hostname,
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strict=strict)
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def verify_file(self, path):
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"""Verify the Linode configuration file.
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Return true/false if the config-file is valid for this plugin
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Args:
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str(path): path to the config
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Kwargs:
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None
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Raises:
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None
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Returns:
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bool(valid): is valid config file"""
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valid = False
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if super(InventoryModule, self).verify_file(path):
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if path.endswith(("linode.yaml", "linode.yml")):
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valid = True
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else:
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self.display.vvv('Inventory source not ending in "linode.yaml" or "linode.yml"')
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return valid
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def parse(self, inventory, loader, path, cache=True):
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"""Dynamically parse Linode the cloud inventory."""
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super(InventoryModule, self).parse(inventory, loader, path)
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self.instances = None
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if not HAS_LINODE:
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raise AnsibleError('the Linode dynamic inventory plugin requires linode_api4.')
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self._read_config_data(path)
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cache_key = self.get_cache_key(path)
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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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self.instances = [Instance(None, i["id"], i) for i in self._cache[cache_key]]
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except KeyError:
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update_cache = True
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# Check for None rather than False in order to allow
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# for empty sets of cached instances
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if self.instances is None:
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self._build_client(loader)
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self._get_instances_inventory()
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if update_cache:
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self._cache[cache_key] = self._cacheable_inventory()
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self.populate()
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