heat-translator/translator/common/flavors.py
Mathieu Velten e60d85ed7a Improve and fix images & flavors handling
Fix images matching algo (exact match favored compared to partial match)
Cache images & flavors list
Fix OpenStack session init logic (was called too late and only on deploy)

Change-Id: I6c723f03925a8b2c4b3408fcfb6c78d5af47328d
2016-08-23 16:09:00 +02:00

65 lines
2.0 KiB
Python

# 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 logging
try:
import novaclient.client
client_available = True
except ImportError:
client_available = False
pass
log = logging.getLogger('heat-translator')
PREDEF_FLAVORS = {
'm1.xlarge': {'mem_size': 16384, 'disk_size': 160, 'num_cpus': 8},
'm1.large': {'mem_size': 8192, 'disk_size': 80, 'num_cpus': 4},
'm1.medium': {'mem_size': 4096, 'disk_size': 40, 'num_cpus': 2},
'm1.small': {'mem_size': 2048, 'disk_size': 20, 'num_cpus': 1},
'm1.tiny': {'mem_size': 512, 'disk_size': 1, 'num_cpus': 1},
'm1.micro': {'mem_size': 128, 'disk_size': 0, 'num_cpus': 1},
'm1.nano': {'mem_size': 64, 'disk_size': 0, 'num_cpus': 1}
}
SESSION = None
FLAVORS = {}
def get_flavors():
global FLAVORS
if FLAVORS:
return FLAVORS
if SESSION is not None and client_available:
try:
client = novaclient.client.Client("2", session=SESSION)
except Exception as e:
# Handles any exception coming from openstack
log.warn(_('Choosing predefined flavors since received '
'Openstack Exception: %s') % str(e))
else:
for flv in client.flavors.list(detailed=True):
FLAVORS[str(flv.name)] = {
"mem_size": flv.ram,
"disk_size": flv.disk,
"num_cpus": flv.vcpus
}
if not FLAVORS:
FLAVORS = PREDEF_FLAVORS
return FLAVORS