utils/infra_setup/heat/manager.py

   1 ##############################################################################
   2 # Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10 from heatclient import client as heat_client
  11 from keystoneclient.v2_0 import client as keystone_client
  12 from heatclient.common import template_utils
  13
  14 import heat.common as common
  15
  16
  17 class HeatManager:
  18
  19     def __init__(self, credentials):
  20         self.user = credentials['user']
  21         self.password = credentials['password']
  22         self.controller_ip = credentials['controller_ip']
  23         self.heat_url = credentials['heat_url']
  24         self.auth_uri = credentials['auth_uri']
  25         self.project_id = credentials['project']
  26         self.heat = None
  27
  28     def heat_init(self):
  29         keystone = keystone_client.Client(username=self.user,
  30                                           password=self.password,
  31                                           tenant_name=self.project_id,
  32                                           auth_url=self.auth_uri)
  33         auth_token = keystone.auth_token
  34         self.heat_url = keystone.service_catalog.url_for(
  35             service_type='orchestration')
  36         self.heat = heat_client.Client('1', endpoint=self.heat_url,
  37                                        token=auth_token)
  38
  39     def stacks_list(self, name=None):
  40         for stack in self.heat.stacks.list():
  41             if (name and stack.stack_name == name) or not name:
  42                 common.LOG.info("stack name " + stack.stack_name)
  43                 common.LOG.info("stack status " + stack.stack_status)
  44
  45     def stack_generate(self, template_file, stack_name, parameters):
  46         self.heat_init()
  47         self.stacks_list()
  48         tpl_files, template = template_utils.get_template_contents(
  49             template_file)
  50
  51         fields = {
  52             'template': template,
  53             'files': dict(list(tpl_files.items()))
  54         }
  55         self.heat.stacks.create(stack_name=stack_name, files=fields['files'],
  56                                 template=template, parameters=parameters)
  57         self.stacks_list(stack_name)
  58
  59     def stack_is_deployed(self, stack_name):
  60         self.heat_init()
  61         if stack_name in self.heat.stacks.list():
  62             return True
  63         return False
  64
  65     def stack_check_status(self, stack_name):
  66         for stack in self.heat.stacks.list():
  67             if stack.stack_name == stack_name:
  68                 return stack.stack_status
  69         return 'NOT_FOUND'
  70
  71     def heat_validate_template(self, heat_template_file):
  72         self.heat_init()
  73         if not self.heat.stacks.validate(template=open(heat_template_file,
  74                                                        'r').read()):
  75             raise ValueError('The provided heat template "' +
  76                              heat_template_file +
  77                              '" is in the wrong format')
  78
  79     def stack_delete(self, stack_name):
  80         self.heat_init()
  81         try:
  82             for stack in self.heat.stacks.list():
  83                 if stack.stack_name == stack_name:
  84                     self.heat.stacks.delete(stack.id)
  85                     return True
  86         except:
  87             pass
  88         return False