mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-06 09:00:58 +02:00
243 lines
7.9 KiB
Python
243 lines
7.9 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# (c) 2015, René Moser <mail@renemoser.net>
|
|
#
|
|
# This file is part of Ansible
|
|
#
|
|
# Ansible is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Ansible is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
ANSIBLE_METADATA = {'metadata_version': '1.1',
|
|
'status': ['stableinterface'],
|
|
'supported_by': 'community'}
|
|
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: cs_facts
|
|
short_description: Gather facts on instances of Apache CloudStack based clouds.
|
|
description:
|
|
- This module fetches data from the metadata API in CloudStack. The module must be called from within the instance itself.
|
|
version_added: '2.0'
|
|
author: "René Moser (@resmo)"
|
|
options:
|
|
filter:
|
|
description:
|
|
- Filter for a specific fact.
|
|
choices:
|
|
- cloudstack_service_offering
|
|
- cloudstack_availability_zone
|
|
- cloudstack_public_hostname
|
|
- cloudstack_public_ipv4
|
|
- cloudstack_local_hostname
|
|
- cloudstack_local_ipv4
|
|
- cloudstack_instance_id
|
|
- cloudstack_user_data
|
|
meta_data_host:
|
|
description:
|
|
- Host or IP of the meta data API service.
|
|
- If not set, determination by parsing the dhcp lease file.
|
|
version_added: "2.4"
|
|
requirements: [ 'yaml' ]
|
|
'''
|
|
|
|
EXAMPLES = '''
|
|
# Gather all facts on instances
|
|
- name: Gather cloudstack facts
|
|
cs_facts:
|
|
|
|
# Gather specific fact on instances
|
|
- name: Gather cloudstack facts
|
|
cs_facts: filter=cloudstack_instance_id
|
|
|
|
# Gather specific fact on instances with a given meta_data_host
|
|
- name: Gather cloudstack facts
|
|
cs_facts:
|
|
filter: cloudstack_instance_id
|
|
meta_data_host: 169.254.169.254
|
|
'''
|
|
|
|
RETURN = '''
|
|
---
|
|
cloudstack_availability_zone:
|
|
description: zone the instance is deployed in.
|
|
returned: success
|
|
type: string
|
|
sample: ch-gva-2
|
|
cloudstack_instance_id:
|
|
description: UUID of the instance.
|
|
returned: success
|
|
type: string
|
|
sample: ab4e80b0-3e7e-4936-bdc5-e334ba5b0139
|
|
cloudstack_local_hostname:
|
|
description: local hostname of the instance.
|
|
returned: success
|
|
type: string
|
|
sample: VM-ab4e80b0-3e7e-4936-bdc5-e334ba5b0139
|
|
cloudstack_local_ipv4:
|
|
description: local IPv4 of the instance.
|
|
returned: success
|
|
type: string
|
|
sample: 185.19.28.35
|
|
cloudstack_public_hostname:
|
|
description: public IPv4 of the router. Same as C(cloudstack_public_ipv4).
|
|
returned: success
|
|
type: string
|
|
sample: VM-ab4e80b0-3e7e-4936-bdc5-e334ba5b0139
|
|
cloudstack_public_ipv4:
|
|
description: public IPv4 of the router.
|
|
returned: success
|
|
type: string
|
|
sample: 185.19.28.35
|
|
cloudstack_service_offering:
|
|
description: service offering of the instance.
|
|
returned: success
|
|
type: string
|
|
sample: Micro 512mb 1cpu
|
|
cloudstack_user_data:
|
|
description: data of the instance provided by users.
|
|
returned: success
|
|
type: dict
|
|
sample: { "bla": "foo" }
|
|
'''
|
|
|
|
import os
|
|
from ansible.module_utils.basic import AnsibleModule
|
|
from ansible.module_utils.urls import fetch_url
|
|
from ansible.module_utils.facts import ansible_collector, default_collectors
|
|
|
|
try:
|
|
import yaml
|
|
HAS_LIB_YAML = True
|
|
except ImportError:
|
|
HAS_LIB_YAML = False
|
|
|
|
CS_METADATA_BASE_URL = "http://%s/latest/meta-data"
|
|
CS_USERDATA_BASE_URL = "http://%s/latest/user-data"
|
|
|
|
|
|
class CloudStackFacts(object):
|
|
|
|
def __init__(self):
|
|
collector = ansible_collector.get_ansible_collector(all_collector_classes=default_collectors.collectors,
|
|
filter_spec='default_ipv4',
|
|
gather_subset=['!all', 'network'],
|
|
gather_timeout=10)
|
|
self.facts = collector.collect(module)
|
|
|
|
self.api_ip = None
|
|
self.fact_paths = {
|
|
'cloudstack_service_offering': 'service-offering',
|
|
'cloudstack_availability_zone': 'availability-zone',
|
|
'cloudstack_public_hostname': 'public-hostname',
|
|
'cloudstack_public_ipv4': 'public-ipv4',
|
|
'cloudstack_local_hostname': 'local-hostname',
|
|
'cloudstack_local_ipv4': 'local-ipv4',
|
|
'cloudstack_instance_id': 'instance-id'
|
|
}
|
|
|
|
def run(self):
|
|
result = {}
|
|
filter = module.params.get('filter')
|
|
if not filter:
|
|
for key, path in self.fact_paths.items():
|
|
result[key] = self._fetch(CS_METADATA_BASE_URL + "/" + path)
|
|
result['cloudstack_user_data'] = self._get_user_data_json()
|
|
else:
|
|
if filter == 'cloudstack_user_data':
|
|
result['cloudstack_user_data'] = self._get_user_data_json()
|
|
elif filter in self.fact_paths:
|
|
result[filter] = self._fetch(CS_METADATA_BASE_URL + "/" + self.fact_paths[filter])
|
|
return result
|
|
|
|
def _get_user_data_json(self):
|
|
try:
|
|
# this data come form users, we try what we can to parse it...
|
|
return yaml.safe_load(self._fetch(CS_USERDATA_BASE_URL))
|
|
except:
|
|
return None
|
|
|
|
def _fetch(self, path):
|
|
api_ip = self._get_api_ip()
|
|
if not api_ip:
|
|
return None
|
|
api_url = path % api_ip
|
|
(response, info) = fetch_url(module, api_url, force=True)
|
|
if response:
|
|
data = response.read()
|
|
else:
|
|
data = None
|
|
return data
|
|
|
|
def _get_dhcp_lease_file(self):
|
|
"""Return the path of the lease file."""
|
|
default_iface = self.facts['default_ipv4']['interface']
|
|
dhcp_lease_file_locations = [
|
|
'/var/lib/dhcp/dhclient.%s.leases' % default_iface, # debian / ubuntu
|
|
'/var/lib/dhclient/dhclient-%s.leases' % default_iface, # centos 6
|
|
'/var/lib/dhclient/dhclient--%s.lease' % default_iface, # centos 7
|
|
'/var/db/dhclient.leases.%s' % default_iface, # openbsd
|
|
]
|
|
for file_path in dhcp_lease_file_locations:
|
|
if os.path.exists(file_path):
|
|
return file_path
|
|
module.fail_json(msg="Could not find dhclient leases file.")
|
|
|
|
def _get_api_ip(self):
|
|
"""Return the IP of the DHCP server."""
|
|
if module.params.get('meta_data_host'):
|
|
return module.params.get('meta_data_host')
|
|
elif not self.api_ip:
|
|
dhcp_lease_file = self._get_dhcp_lease_file()
|
|
for line in open(dhcp_lease_file):
|
|
if 'dhcp-server-identifier' in line:
|
|
# get IP of string "option dhcp-server-identifier 185.19.28.176;"
|
|
line = line.translate(None, ';')
|
|
self.api_ip = line.split()[2]
|
|
break
|
|
if not self.api_ip:
|
|
module.fail_json(msg="No dhcp-server-identifier found in leases file.")
|
|
return self.api_ip
|
|
|
|
|
|
def main():
|
|
global module
|
|
module = AnsibleModule(
|
|
argument_spec=dict(
|
|
filter=dict(default=None, choices=[
|
|
'cloudstack_service_offering',
|
|
'cloudstack_availability_zone',
|
|
'cloudstack_public_hostname',
|
|
'cloudstack_public_ipv4',
|
|
'cloudstack_local_hostname',
|
|
'cloudstack_local_ipv4',
|
|
'cloudstack_instance_id',
|
|
'cloudstack_user_data',
|
|
]),
|
|
meta_data_host=dict(),
|
|
),
|
|
supports_check_mode=True
|
|
)
|
|
|
|
if not HAS_LIB_YAML:
|
|
module.fail_json(msg="missing python library: yaml")
|
|
|
|
cs_facts = CloudStackFacts().run()
|
|
cs_facts_result = dict(changed=False, ansible_facts=cs_facts)
|
|
module.exit_json(**cs_facts_result)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|