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#!/usr/bin/python
# coding utf-8
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018 SUSE LINUX GmbH.
# 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
##############################################################################
#
# Based on https://raw.githubusercontent.com/ansible/ansible/devel/contrib/inventory/cobbler.py
import argparse
import glob
import os
import sys
import yaml
import json
class XCIInventory(object):
def __init__(self):
super(XCIInventory, self).__init__()
self.inventory = {}
self.inventory['all'] = {}
self.inventory['all']['hosts'] = []
self.inventory['all']['vars'] = {}
self.inventory['_meta'] = {}
self.inventory['_meta']['hostvars'] = {}
self.installer = os.environ.get('INSTALLER_TYPE', 'osa')
self.flavor = os.environ.get('XCI_FLAVOR', 'mini')
self.flavor_files = os.path.dirname(os.path.realpath(__file__)) + "/../installer/" + self.installer + "/files/" + self.flavor
# Static information for opnfv host for now
self.add_host('opnfv')
self.add_hostvar('opnfv', 'ansible_host', '192.168.122.2')
self.add_hostvar('opnfv', 'ip', '192.168.122.2')
self.add_to_group('deployment', 'opnfv')
self.add_to_group('opnfv', 'opnfv')
self.opnfv_networks = {}
self.opnfv_networks['opnfv'] = {}
self.opnfv_networks['opnfv']['admin'] = {}
self.opnfv_networks['opnfv']['admin']['address'] = '172.29.236.10/22'
self.opnfv_networks['opnfv']['public'] = {}
self.opnfv_networks['opnfv']['public']['address'] = '192.168.122.2/24'
self.opnfv_networks['opnfv']['public']['gateway'] = '192.168.122.1'
self.opnfv_networks['opnfv']['private'] = {}
self.opnfv_networks['opnfv']['private']['address'] = '172.29.240.10/22'
self.opnfv_networks['opnfv']['storage'] = {}
self.opnfv_networks['opnfv']['storage']['address'] = '172.29.244.10/24'
self.read_pdf_idf()
self.parse_args()
if self.args.host:
self.dump(self.get_host_info(self.args.host))
else:
self.dump(self.inventory)
def parse_args(self):
parser = argparse.ArgumentParser(description='Produce an Ansible inventory based on PDF/IDF XCI files')
parser.add_argument('--list', action='store_true', default=True, help='List XCI hosts (default: True)')
parser.add_argument('--host', action='store', help='Get all the variables about a specific host')
self.args = parser.parse_args()
def read_pdf_idf(self):
pdf_file = os.path.dirname(os.path.realpath(__file__)) + "/../var/pdf.yml"
idf_file = os.path.dirname(os.path.realpath(__file__)) + "/../var/idf.yml"
nodes = []
host_networks = {}
with open(pdf_file) as f:
try:
pdf = yaml.safe_load(f)
except yaml.YAMLError as e:
print(e)
sys.exit(1)
with open(idf_file) as f:
try:
idf = yaml.safe_load(f)
except yaml.YAMLError as e:
print(e)
sys.exit(1)
valid_host = (host for host in idf['xci'][self.installer]['nodes_roles'] \
if host in idf['xci']['flavors'][self.flavor] \
and host != 'opnfv')
for host in valid_host:
nodes.append(host)
hostname = idf['xci'][self.installer]['hostnames'][host]
self.add_host(hostname)
for role in idf['xci'][self.installer]['nodes_roles'][host]:
self.add_to_group(role, hostname)
pdf_host_info = filter(lambda x: x['name'] == host, pdf['nodes'])[0]
native_vlan_if = filter(lambda x: x['vlan'] == 'native', pdf_host_info['interfaces'])
self.add_hostvar(hostname, 'ansible_host', native_vlan_if[0]['address'])
self.add_hostvar(hostname, 'ip', native_vlan_if[0]['address'])
host_networks[hostname] = {}
# And now record the rest of the information
for network, ndata in idf['idf']['net_config'].items():
network_interface_num = idf['idf']['net_config'][network]['interface']
host_networks[hostname][network] = {}
host_networks[hostname][network]['address'] = pdf_host_info['interfaces'][int(network_interface_num)]['address'] + "/" + str(ndata['mask'])
if 'gateway' in ndata.keys():
host_networks[hostname][network]['gateway'] = str(ndata['gateway']) + "/" + str(ndata['mask'])
host_networks.update(self.opnfv_networks)
self.add_groupvar('all', 'host_info', host_networks)
# Now add the additional groups
for parent in idf['xci'][self.installer]['groups'].keys():
map(lambda x: self.add_group(x, parent), idf['xci'][self.installer]['groups'][parent])
# Read additional group variables
self.read_additional_group_vars()
def read_additional_group_vars(self):
if not os.path.exists(self.flavor_files + "/inventory/group_vars"):
return
group_dir = self.flavor_files + "/inventory/group_vars/*.yml"
group_file = glob.glob(group_dir)
for g in group_file:
with open(g) as f:
try:
group_vars = yaml.safe_load(f)
except yaml.YAMLError as e:
print(e)
sys.exit(1)
for k,v in group_vars.items():
self.add_groupvar(os.path.basename(g.replace('.yml', '')), k, v)
def dump(self, data):
print (json.dumps(data, sort_keys=True, indent=2))
def add_host(self, host):
self.inventory['all']['hosts'].append(host)
def hosts(self):
return self.inventory['all']['hosts']
def add_group(self, group, parent = 'all'):
if parent not in self.inventory.keys():
self.inventory[parent] = {}
if 'children' not in self.inventory[parent]:
self.inventory[parent]['children'] = []
self.inventory[parent]['children'].append(group)
def add_to_group(self, group, host):
if group not in self.inventory.keys():
self.inventory[group] = []
self.inventory[group].append(host)
def add_hostvar(self, host, param, value):
if host not in self.hostvars():
self.inventory['_meta']['hostvars'][host] = {}
self.inventory['_meta']['hostvars'][host].update({param: value})
def add_groupvar(self, group, param, value):
if param not in self.groupvars(group):
self.inventory[group]['vars'][param] = {}
self.inventory[group]['vars'].update({param: value})
def hostvars(self):
return iter(self.inventory['_meta']['hostvars'].keys())
def groupvars(self, group):
return iter(self.inventory[group]['vars'].keys())
def get_host_info(self, host):
return self.inventory['_meta']['hostvars'][host]
if __name__ == '__main__':
XCIInventory()
# vim: set ts=4 sw=4 expandtab:
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