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# Copyright (c) 2015 Intel Research and Development Ireland Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
from keystoneclient.v2_0 import client as keystoneClient
from heatclient import client as heatClient
from heatclient.common import template_utils
import experimental_framework.common as common
__author__ = 'vmriccox'
class HeatManager:
def __init__(self, credentials):
self.ip_controller = credentials['ip_controller']
self.heat_url = credentials['heat_url']
self.user = credentials['user']
self.password = credentials['password']
self.auth_uri = credentials['auth_uri']
self.project_id = credentials['project']
self.heat = None
def init_heat(self):
keystone = keystoneClient.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 = heatClient.Client('1', endpoint=self.heat_url,
token=auth_token)
def print_stacks(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 create_stack(self, template_file, stack_name, parameters):
self.init_heat()
# self.print_stacks()
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.print_stacks(stack_name)
def is_stack_deployed(self, stack_name):
self.init_heat()
if stack_name in self.heat.stacks.list():
return True
return False
def check_stack_status(self, stack_name):
"""
Returns a string representing the status of a stack from Heat
perspective
:param stack_name: Name of the stack to be checked (type: str)
:return: (type: str)
"""
if self.heat:
for stack in self.heat.stacks.list():
if stack.stack_name == stack_name:
return stack.stack_status
return 'NOT_FOUND'
def validate_heat_template(self, heat_template_file):
self.init_heat()
if not self.heat.stacks.validate(template=open(heat_template_file,
'r').read()):
raise ValueError('The provided heat template "' +
heat_template_file +
'" is not in the correct format')
def delete_stack(self, stack_name):
self.init_heat()
try:
for stack in self.heat.stacks.list():
if stack.stack_name == stack_name:
self.heat.stacks.delete(stack.id)
return True
except Exception:
common.LOG.debug("destroy_heat_template", exc_info=True)
return False
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