yardstick/vTC/apexlake/experimental_framework/heat_manager.py

   1 # Copyright (c) 2015 Intel Research and Development Ireland Ltd.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #      http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 __author__ = 'vmriccox'
  16
  17
  18 from keystoneclient.v2_0 import client as keystoneClient
  19 from heatclient import client as heatClient
  20 from heatclient.common import template_utils
  21
  22 from experimental_framework import common
  23
  24
  25 class HeatManager:
  26
  27     def __init__(self, credentials):
  28         self.ip_controller = credentials['ip_controller']
  29         self.heat_url = credentials['heat_url']
  30         self.user = credentials['user']
  31         self.password = credentials['password']
  32         self.auth_uri = credentials['auth_uri']
  33         self.project_id = credentials['project']
  34         self.heat = None
  35
  36         # TODO: verify that init_heat is useless in the constructor
  37         # self.init_heat()
  38
  39     def init_heat(self):
  40         keystone = keystoneClient.Client(username=self.user,
  41                                          password=self.password,
  42                                          tenant_name=self.project_id,
  43                                          auth_url=self.auth_uri)
  44         auth_token = keystone.auth_token
  45         self.heat = heatClient.Client('1', endpoint=self.heat_url,
  46                                       token=auth_token)
  47
  48     def print_stacks(self, name=None):
  49         for stack in self.heat.stacks.list():
  50             if (name and stack.stack_name == name) or not name:
  51                 common.LOG.info("Stack Name: " + stack.stack_name)
  52                 common.LOG.info("Stack Status: " + stack.stack_status)
  53
  54     def create_stack(self, template_file, stack_name, parameters):
  55         self.init_heat()
  56         # self.print_stacks()
  57         tpl_files, template = \
  58             template_utils.get_template_contents(template_file)
  59
  60         fields = {
  61             'template': template,
  62             'files': dict(list(tpl_files.items()))
  63         }
  64         self.heat.stacks.create(stack_name=stack_name, files=fields['files'],
  65                                 template=template, parameters=parameters)
  66         self.print_stacks(stack_name)
  67
  68     def is_stack_deployed(self, stack_name):
  69         self.init_heat()
  70         if stack_name in self.heat.stacks.list():
  71             return True
  72         return False
  73
  74     def check_stack_status(self, stack_name):
  75         """
  76         Returns a string representing the status of a stack from Heat
  77         perspective
  78         :param stack_name: Name of the stack to be checked (type: str)
  79         :return: (type: str)
  80         """
  81         for stack in self.heat.stacks.list():
  82             if stack.stack_name == stack_name:
  83                 return stack.stack_status
  84         return 'NOT_FOUND'
  85
  86     def validate_heat_template(self, heat_template_file):
  87         self.init_heat()
  88         if not self.heat.stacks.validate(template=open(heat_template_file,
  89                                                        'r').read()):
  90             raise ValueError('The provided heat template "' +
  91                              heat_template_file +
  92                              '" is not in the correct format')
  93
  94     def delete_stack(self, stack_name):
  95         self.init_heat()
  96         try:
  97             for stack in self.heat.stacks.list():
  98                 if stack.stack_name == stack_name:
  99                     self.heat.stacks.delete(stack.id)
 100                     return True
 101         except:
 102             pass
 103         return False