Horizon plugin for OpenStack Orchestration (Heat)
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# 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.
import contextlib
from urllib import request
from django.conf import settings
from oslo_serialization import jsonutils
from heatclient import client as heat_client
from heatclient.common import template_format
from heatclient.common import template_utils
from heatclient.common import utils as heat_utils
from horizon import exceptions
from horizon.utils import functions as utils
from horizon.utils.memoized import memoized
from openstack_dashboard.api import base
from openstack_dashboard.contrib.developer.profiler import api as profiler
def format_parameters(params):
parameters = {}
for count, p in enumerate(params, 1):
parameters['Parameters.member.%d.ParameterKey' % count] = p
parameters['Parameters.member.%d.ParameterValue' % count] = params[p]
return parameters
@memoized
def heatclient(request, password=None):
api_version = "1"
insecure = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
cacert = getattr(settings, 'OPENSTACK_SSL_CACERT', None)
endpoint = base.url_for(request, 'orchestration')
kwargs = {
'token': request.user.token.id,
'insecure': insecure,
'ca_file': cacert,
'username': request.user.username,
'password': password
# 'timeout': args.timeout,
# 'ca_file': args.ca_file,
# 'cert_file': args.cert_file,
# 'key_file': args.key_file,
}
client = heat_client.Client(api_version, endpoint, **kwargs)
client.format_parameters = format_parameters
return client
@profiler.trace
def stacks_list(request, marker=None, sort_dir='desc', sort_key='created_at',
paginate=False, filters=None):
limit = getattr(settings, 'API_RESULT_LIMIT', 1000)
page_size = utils.get_page_size(request)
if paginate:
request_size = page_size + 1
else:
request_size = limit
kwargs = {'sort_dir': sort_dir, 'sort_key': sort_key}
if marker:
kwargs['marker'] = marker
if filters:
kwargs.update(filters)
if 'status' in kwargs:
kwargs['status'] = kwargs['status'].replace(' ', '_').upper()
stacks_iter = heatclient(request).stacks.list(limit=request_size,
**kwargs)
has_prev_data = False
has_more_data = False
stacks = list(stacks_iter)
if paginate:
if len(stacks) > page_size:
stacks.pop()
has_more_data = True
if marker is not None:
has_prev_data = True
elif sort_dir == 'asc' and marker is not None:
has_more_data = True
elif marker is not None:
has_prev_data = True
return (stacks, has_more_data, has_prev_data)
def _ignore_if(key, value):
if key != 'get_file' and key != 'type':
return True
if not isinstance(value, str):
return True
if (key == 'type' and not value.endswith(('.yaml', '.template'))):
return True
return False
@profiler.trace
def get_template_files(template_data=None, template_url=None, files=None):
if template_data:
tpl = template_data
elif template_url:
with contextlib.closing(request.urlopen(template_url)) as u:
tpl = u.read()
else:
return {}, None
if not tpl:
return {}, None
if isinstance(tpl, bytes):
tpl = tpl.decode('utf-8')
template = template_format.parse(tpl)
if files is None:
files = {}
_get_file_contents(template, files)
return files, template
def _get_file_contents(from_data, files):
if not isinstance(from_data, (dict, list)):
return
if isinstance(from_data, dict):
recurse_data = from_data.values()
for key, value in from_data.items():
if _ignore_if(key, value):
continue
if value in files:
continue
if not value.startswith(('http://', 'https://')):
raise exceptions.GetFileError(value, 'get_file')
if value not in files:
file_content = heat_utils.read_url_content(value)
if template_utils.is_template(file_content):
template = get_template_files(template_url=value)[1]
file_content = jsonutils.dumps(template)
files[value] = file_content
else:
recurse_data = from_data
for value in recurse_data:
_get_file_contents(value, files)
@profiler.trace
def stack_delete(request, stack_id):
return heatclient(request).stacks.delete(stack_id)
@profiler.trace
def stack_get(request, stack_id):
return heatclient(request).stacks.get(stack_id)
@profiler.trace
def template_get(request, stack_id):
return heatclient(request).stacks.template(stack_id)
@profiler.trace
def stack_create(request, password=None, **kwargs):
return heatclient(request, password).stacks.create(**kwargs)
@profiler.trace
def stack_preview(request, password=None, **kwargs):
return heatclient(request, password).stacks.preview(**kwargs)
@profiler.trace
def stack_update(request, stack_id, password=None, **kwargs):
return heatclient(request, password).stacks.update(stack_id, **kwargs)
@profiler.trace
def snapshot_create(request, stack_id):
return heatclient(request).stacks.snapshot(stack_id)
@profiler.trace
def snapshot_list(request, stack_id):
return heatclient(request).stacks.snapshot_list(stack_id)
@profiler.trace
def snapshot_show(request, stack_id, snapshot_id):
return heatclient(request).stacks.snapshot_show(stack_id, snapshot_id)
@profiler.trace
def snapshot_delete(request, stack_id, snapshot_id):
return heatclient(request).stacks.snapshot_delete(stack_id, snapshot_id)
@profiler.trace
def events_list(request, stack_name, marker=None, sort_dir='desc',
sort_key='event_time', paginate=False, filters=None):
limit = getattr(settings, 'API_RESULT_LIMIT', 1000)
page_size = utils.get_page_size(request)
if paginate:
request_size = page_size + 1
else:
request_size = limit
kwargs = {'sort_dir': sort_dir, 'sort_key': sort_key}
if marker:
kwargs['marker'] = marker
if filters:
kwargs.update(filters)
events_iter = heatclient(request).events.list(stack_name,
limit=request_size,
**kwargs)
has_prev_data = False
has_more_data = False
events = list(events_iter)
if paginate:
if len(events) > page_size:
events.pop()
has_more_data = True
if marker is not None:
has_prev_data = True
elif sort_dir == 'asc' and marker is not None:
has_more_data = True
elif marker is not None:
has_prev_data = True
return events, has_more_data, has_prev_data
@profiler.trace
def resources_list(request, stack_name):
return heatclient(request).resources.list(stack_name)
@profiler.trace
def resource_get(request, stack_id, resource_name):
return heatclient(request).resources.get(stack_id, resource_name)
@profiler.trace
def resource_metadata_get(request, stack_id, resource_name):
return heatclient(request).resources.metadata(stack_id, resource_name)
@profiler.trace
def template_validate(request, **kwargs):
return heatclient(request).stacks.validate(**kwargs)
@profiler.trace
def action_check(request, stack_id):
return heatclient(request).actions.check(stack_id)
@profiler.trace
def action_suspend(request, stack_id):
return heatclient(request).actions.suspend(stack_id)
@profiler.trace
def action_resume(request, stack_id):
return heatclient(request).actions.resume(stack_id)
@profiler.trace
def resource_types_list(request, filters=None):
return heatclient(request).resource_types.list(filters=filters)
@profiler.trace
def resource_type_get(request, resource_type):
return heatclient(request).resource_types.get(resource_type)
@profiler.trace
def service_list(request):
return heatclient(request).services.list()
@profiler.trace
def template_version_list(request):
return heatclient(request).template_versions.list()
@profiler.trace
def template_function_list(request, template_version):
return heatclient(request).template_versions.get(template_version)