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#!/usr/bin/python
###############################################################
# Copyright (c) 2017 ZTE Corporation
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from collections import defaultdict
import json
from ansible.module_utils.basic import AnsibleModule
ANSIBLE_METADATA = {'metadata_version': '1.0',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: fuel
short_description: collecting facts from fuel environments
description:
- Use this module to create a dynamic inventory from fuel master.
version_added: "2.2"
author: "Yujun Zhang (@yujunz)"
options:
notes:
requirements:
- Host 'fuel-master' is in ~/.ssh/config
'''
RETURN = '''
ansible_facts:
description: facts collected for ansible
returned: success
type: dictionary
contains:
hosts:
description: host grouped by hostname, cluster, role and manufacture
type: dict
hosts_meta:
description: hosts meta data indexed by hostname
type: dict
'''
EXAMPLES = '''
---
- hosts: fuel-master
tasks:
- name: collect facts of fuel hosts
fuel:
- debug: var=hostvars
- name: add compute node to ansible inventory
add_host:
name: "{{ hosts_meta[item]['ip'] }}"
groups: fuel-compute
ansible_user: root
ansible_ssh_common_args: '-o StrictHostKeyChecking=No -o ProxyJump=fuel-master'
with_items: "{{ hosts.compute }}"
- hosts: fuel-compute
tasks:
- name: check ssh connection
ping:
'''
def generate_inventory(nodes):
"""Generate ansible inventory from node list in json format
Modified from https://github.com/martineg/ansible-fuel-inventory/blob/master/fuel.py
"""
hosts = defaultdict(list)
hosts_meta = {}
for node in nodes:
# skip deleting, offline, deploying and discovering/unprovisioned nodes
if node['pending_deletion'] or (not node['online']) \
or node['status'] == 'deploying' or node['status'] == 'discover':
continue
hostname = node['hostname']
cluster_id = node['cluster']
hw_vendor = node['meta']['system']['manufacturer'].lower()
[hosts[role.strip()].append(hostname) for role in node['roles'].split(",")]
hosts["cluster-{0}".format(cluster_id)].append(hostname)
hosts["hw-{0}-servers".format(hw_vendor)].append(hostname)
node_meta = {
'name': node['name'],
'online': node['online'],
'os_platform': node['os_platform'],
'status': node['status'],
'ip': node['ip'],
'mac': node['mac'],
'cluster': cluster_id,
'ansible_ssh_host': node['ip'],
'ansible_user': 'root'
}
hosts_meta[hostname] = node_meta
return {'hosts': hosts, 'hosts_meta': hosts_meta}
def main():
module = AnsibleModule(argument_spec=dict())
cmd = [module.get_bin_path('fuel', True), 'node', '--json']
(rc, out, err) = module.run_command(cmd)
if rc is not None and rc != 0:
return module.fail_json(msg=err)
nodes = json.loads(out)
module.exit_json(changed=False, ansible_facts=generate_inventory(nodes))
if __name__ == '__main__':
main()
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