152 lines
4.4 KiB
Python
152 lines
4.4 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: scaleway
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plugin_type: inventory
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authors:
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- Remy Leone <rleone@online.net>
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short_description: Scaleway inventory source
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description:
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- Get inventory hosts from Scaleway
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options:
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regions:
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description: Filter results on a specific Scaleway region
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type: list
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default:
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- ams1
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- par1
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tags:
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description: Filter results on a specific tag
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type: list
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oauth_token:
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description: Scaleway OAuth token.
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env:
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# in order of precedence
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- name: SCW_TOKEN
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- name: SCW_API_KEY
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- name: SCW_OAUTH_TOKEN
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'''
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EXAMPLES = '''
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# scaleway_inventory.yml file in YAML format
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# Example command line: ansible-inventory --list -i scaleway_inventory.yml
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plugin: scaleway
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regions:
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- ams1
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- par1
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tags:
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- foobar
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'''
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import json
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import os
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from ansible.errors import AnsibleError
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from ansible.plugins.inventory import BaseInventoryPlugin
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from ansible.module_utils.scaleway import SCALEWAY_LOCATION
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from ansible.module_utils.urls import open_url
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def _fetch_information(token, url):
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try:
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response = open_url(url,
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headers={'X-Auth-Token': token,
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'Content-type': 'application/json'})
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except Exception:
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raise AnsibleError("Error while fetching %s" % url)
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try:
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raw_json = json.loads(response.read())
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except ValueError:
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raise AnsibleError("Incorrect JSON payload")
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try:
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return raw_json["servers"]
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except KeyError:
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raise AnsibleError("Incorrect format from the Scaleway API response")
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def _build_server_url(api_endpoint):
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return "/".join([api_endpoint, "servers"])
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class InventoryModule(BaseInventoryPlugin):
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NAME = 'scaleway'
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def __init__(self):
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super(InventoryModule, self).__init__()
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self.token = self.get_option("oauth_token")
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self.config_data = None
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def verify_file(self, path):
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return "scaleway" in path
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def _fill_host_variables(self, server_id, server_info):
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targeted_attributes = (
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"arch",
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"commercial_type",
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"organization",
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"state",
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"hostname",
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"state"
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)
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for attribute in targeted_attributes:
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self.inventory.set_variable(server_id, attribute, server_info[attribute])
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self.inventory.set_variable(server_id, "tags", server_info["tags"])
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self.inventory.set_variable(server_id, "ipv4", server_info["public_ip"]["address"])
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def _get_zones(self):
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config_zones = self.get_option("regions")
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return set(SCALEWAY_LOCATION.keys()).intersection(config_zones)
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def _get_tags(self):
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return self.get_option("tags")
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def match_groups(self, server_info):
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server_zone = server_info["location"]["zone_id"]
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server_tags = server_info["tags"]
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# If no filtering is defined, all tags are valid groups
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if self._get_tags() is None:
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return set(server_tags).union((server_zone,))
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matching_tags = set(server_tags).intersection(self._get_tags())
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if not matching_tags:
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return set()
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else:
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return matching_tags.union((server_zone,))
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def do_zone_inventory(self, zone):
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self.inventory.add_group(zone)
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zone_info = SCALEWAY_LOCATION[zone]
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url = _build_server_url(zone_info["api_endpoint"])
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all_servers = _fetch_information(url=url, token=self.token)
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for server_info in all_servers:
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groups = self.match_groups(server_info)
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print(groups)
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server_id = server_info["id"]
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for group in groups:
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self.inventory.add_group(group=group)
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self.inventory.add_host(group=group, host=server_id)
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self._fill_host_variables(server_id=server_id, server_info=server_info)
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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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self.config_data = self._read_config_data(path=path)
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for zone in self._get_zones():
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self.do_zone_inventory(zone=zone)
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