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##############################################################################
# Copyright (c) 2016 Dan Radez (dradez@redhat.com) and others.
#
# 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
##############################################################################
import yaml
import json
class Inventory(dict):
"""
This class parses an APEX inventory yaml file into an object. It
generates or detects all missing fields for deployment.
It then collapses one level of identifcation from the object to
convert it to a structure that can be dumped into a json file formatted
such that Triple-O can read the resulting json as an instackenv.json file.
"""
def __init__(self, source, ha=True, virtual=False):
init_dict = {}
if isinstance(source, str):
with open(source, 'r') as inventory_file:
yaml_dict = yaml.safe_load(inventory_file)
# collapse node identifiers from the structure
init_dict['nodes'] = list(map(lambda n: n[1],
yaml_dict['nodes'].items()))
else:
# assume input is a dict to build from
init_dict = source
# move ipmi_* to pm_*
# make mac a list
def munge_nodes(node):
node['pm_addr'] = node['ipmi_ip']
node['pm_password'] = node['ipmi_pass']
node['pm_user'] = node['ipmi_user']
node['mac'] = [node['mac_address']]
for i in ('ipmi_ip', 'ipmi_pass', 'ipmi_user', 'mac_address'):
del i
return node
super().__init__({'nodes': list(map(munge_nodes, init_dict['nodes']))})
# verify number of nodes
if ha and len(self['nodes']) < 5:
raise InventoryException('You must provide at least 5 '
'nodes for HA baremetal deployment')
elif len(self['nodes']) < 2:
raise InventoryException('You must provide at least 2 nodes '
'for non-HA baremetal deployment${reset}')
if virtual:
self['arch'] = 'x86_64'
self['host-ip'] = '192.168.122.1'
self['power_manager'] = \
'nova.virt.baremetal.virtual_power_driver.VirtualPowerManager'
self['seed-ip'] = ''
self['ssh-key'] = 'INSERT_STACK_USER_PRIV_KEY'
self['ssh-user'] = 'root'
def dump_instackenv_json(self):
print(json.dumps(dict(self), sort_keys=True, indent=4))
class InventoryException(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return self.value
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