92 lines
3.7 KiB
Python
92 lines
3.7 KiB
Python
# Copyright 2016 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from constants import LOG
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class Flavors(object):
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def __init__(self, client, allow_creation, conf):
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"""Init.
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:type client: FlavorsClient object from tempest lib
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:type allow_creation: boolean
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:type conf: TempestConf object
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"""
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self.client = client
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self.allow_creation = allow_creation
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self._conf = conf
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def create_tempest_flavors(self):
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"""Find or create flavors and set them in conf.
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If 'flavor_ref' and 'flavor_ref_alt' are specified in conf, it will
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first try to find those - otherwise it will try finding or creating
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'm1.nano' and 'm1.micro' and overwrite those options in conf.
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"""
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# m1.nano flavor
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flavor_id = None
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if self._conf.has_option('compute', 'flavor_ref'):
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flavor_id = self._conf.get('compute', 'flavor_ref')
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flavor_id = self.find_or_create_flavor(flavor_id, 'm1.nano', ram=64)
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self._conf.set('compute', 'flavor_ref', flavor_id)
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# m1.micro flavor
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alt_flavor_id = None
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if self._conf.has_option('compute', 'flavor_ref_alt'):
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alt_flavor_id = self._conf.get('compute', 'flavor_ref_alt')
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alt_flavor_id = self.find_or_create_flavor(alt_flavor_id, 'm1.micro',
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ram=128)
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self._conf.set('compute', 'flavor_ref_alt', alt_flavor_id)
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def find_or_create_flavor(self, flavor_id, flavor_name,
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ram=64, vcpus=1, disk=0):
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"""Try finding flavor by ID or name, create if not found.
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:param flavor_id: first try finding the flavor by this
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:param flavor_name: find by this if it was not found by ID, create new
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flavor with this name if not found at allCLIENT_MOCK
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:param ram: memory of created flavor in MB
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:param vcpus: number of VCPUs for the flavor
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:param disk: size of disk for flavor in GB
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"""
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flavor = None
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flavors = self.client.list_flavors()['flavors']
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# try finding it by the ID first
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if flavor_id:
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found = [f for f in flavors if f['id'] == flavor_id]
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if found:
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flavor = found[0]
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# if not found, try finding it by name
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if flavor_name and not flavor:
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found = [f for f in flavors if f['name'] == flavor_name]
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if found:
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flavor = found[0]
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if not flavor and not self.allow_creation:
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raise Exception("Flavor '%s' not found, but resource creation"
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" isn't allowed. Either use '--create' or provide"
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" an existing flavor" % flavor_name)
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if not flavor:
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LOG.info("Creating flavor '%s'", flavor_name)
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flavor = self.client.create_flavor(name=flavor_name,
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ram=ram, vcpus=vcpus,
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disk=disk, id=None)
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return flavor['flavor']['id']
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else:
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LOG.info("(no change) Found flavor '%s'", flavor['name'])
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return flavor['id']
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