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##############################################################################
# Copyright (c) 2016 Huawei Technologies Co.,Ltd 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
##############################################################################
from heatclient import client as heat_client
from keystoneclient.v2_0 import client as keystone_client
from heatclient.common import template_utils
import heat.common as common
class HeatManager:
def __init__(self, credentials):
self.user = credentials['user']
self.password = credentials['password']
self.controller_ip = credentials['controller_ip']
self.heat_url = credentials['heat_url']
self.auth_uri = credentials['auth_uri']
self.project_id = credentials['project']
self.heat = None
def heat_init(self):
keystone = keystone_client.Client(username=self.user,
password=self.password,
tenant_name=self.project_id,
auth_url=self.auth_uri)
auth_token = keystone.auth_token
self.heat_url = keystone.service_catalog.url_for(
service_type='orchestration')
self.heat = heat_client.Client('1', endpoint=self.heat_url,
token=auth_token)
def stacks_list(self, name=None):
for stack in self.heat.stacks.list():
if (name and stack.stack_name == name) or not name:
common.LOG.info("stack name " + stack.stack_name)
common.LOG.info("stack status " + stack.stack_status)
def stack_generate(self, template_file, stack_name, parameters):
self.heat_init()
self.stacks_list()
tpl_files, template = template_utils.get_template_contents(
template_file)
fields = {
'template': template,
'files': dict(list(tpl_files.items()))
}
self.heat.stacks.create(stack_name=stack_name, files=fields['files'],
template=template, parameters=parameters)
self.stacks_list(stack_name)
def stack_is_deployed(self, stack_name):
self.heat_init()
if stack_name in self.heat.stacks.list():
return True
return False
def stack_check_status(self, stack_name):
for stack in self.heat.stacks.list():
if stack.stack_name == stack_name:
return stack.stack_status
return 'NOT_FOUND'
def heat_validate_template(self, heat_template_file):
self.heat_init()
if not self.heat.stacks.validate(template=open(heat_template_file,
'r').read()):
raise ValueError('The provided heat template "' +
heat_template_file +
'" is in the wrong format')
def stack_delete(self, stack_name):
self.heat_init()
try:
for stack in self.heat.stacks.list():
if stack.stack_name == stack_name:
self.heat.stacks.delete(stack.id)
return True
except:
pass
return False
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