heat/heat/api/v1/stacks.py

135 lines
4.0 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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.
"""
/stack endpoint for heat v1 API
"""
import httplib
import json
import logging
import os
import sys
import urlparse
import webob
from webob.exc import (HTTPNotFound,
HTTPConflict,
HTTPBadRequest)
from heat.common import wsgi
from heat.engine import client as engine
logger = logging.getLogger('heat.api.v1.stacks')
class StackController(object):
"""
WSGI controller for stacks resource in heat v1 API
"""
def __init__(self, options):
self.options = options
engine.configure_engine_client(options)
def list(self, req):
"""
Returns the following information for all stacks:
"""
c = engine.get_engine_client(req.context)
stack_list = c.get_stacks(**req.params)
res = {'ListStacksResponse': {'ListStacksResult': {'StackSummaries': [] } } }
summaries = res['ListStacksResponse']['ListStacksResult']['StackSummaries']
for s in stack_list:
summaries.append(s)
return res
def describe(self, req):
"""
Returns the following information for all stacks:
"""
c = engine.get_engine_client(req.context)
stack_list = c.show_stack(req.params['StackName'])
res = {'DescribeStacksResult': {'Stacks': [] } }
stacks = res['DescribeStacksResult']['Stacks']
for s in stack_list:
mem = {'member': s}
stacks.append(mem)
return res
def _get_template(self, req):
if req.params.has_key('TemplateBody'):
logger.info('TemplateBody ...')
return req.params['TemplateBody']
elif req.params.has_key('TemplateUrl'):
logger.info('TemplateUrl %s' % req.params['TemplateUrl'])
url = urlparse.urlparse(req.params['TemplateUrl'])
if url.scheme == 'https':
conn = httplib.HTTPSConnection(url.netloc)
else:
conn = httplib.HTTPConnection(url.netloc)
conn.request("GET", url.path)
r1 = conn.getresponse()
logger.info('status %d' % r1.status)
if r1.status == 200:
data = r1.read()
conn.close()
else:
data = None
return data
return None
def create(self, req):
"""
Returns the following information for all stacks:
"""
c = engine.get_engine_client(req.context)
templ = self._get_template(req)
if templ is None:
msg = _("TemplateBody or TemplateUrl were not given.")
return webob.exc.HTTPBadRequest(explanation=msg)
stack = json.loads(templ)
stack['StackName'] = req.params['StackName']
return c.create_stack(stack)
def delete(self, req):
"""
Returns the following information for all stacks:
"""
logger.info('in api delete ')
c = engine.get_engine_client(req.context)
res = c.delete_stack(req.params['StackName'])
if res.status == 200:
return {'DeleteStackResult': ''}
else:
return webob.exc.HTTPNotFound()
def create_resource(options):
"""Stacks resource factory method."""
deserializer = wsgi.JSONRequestDeserializer()
serializer = wsgi.JSONResponseSerializer()
return wsgi.Resource(StackController(options), deserializer, serializer)