tripleo-common/tripleo_common/utils/parameters.py
Dan Prince fbb87c541a Add convert_docker_params function
This will be used in workflows to transition from the
old Docker* parameters to the new Container* varients.

Change-Id: I29d5791acaafa31de15bd58a79302a6b0cb0b7dd
2019-04-10 10:02:53 -04:00

141 lines
4.3 KiB
Python

# Copyright 2016 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
from tripleo_common import exception
from tripleo_common.utils import nodes
FLAVOR_ROLE_EXCEPTIONS = {
'object-storage': 'swift-storage'
}
PARAM_EXCEPTIONS = {
'control': {
'count': 'ControllerCount',
'flavor': 'OvercloudControlFlavor'
},
'object-storage': {
'count': 'ObjectStorageCount',
'flavor': 'OvercloudSwiftStorageFlavor'
}
}
def get_node_count(role, baremetal_client):
count = 0
for n in baremetal_client.node.list():
node = baremetal_client.node.get(n.uuid)
caps = nodes.capabilities_to_dict(node.properties['capabilities'])
if caps.get('profile') == role:
count += 1
return count
def get_flavor(role, compute_client):
for f in compute_client.flavors.list():
flavor = compute_client.flavors.get(f.id)
# The flavor's capabilities:profile and the role must match,
# unless the role has a different profile name (as defined in
# FLAVOR_ROLE_EXCEPTIONS).
if (flavor.get_keys().get('capabilities:profile') ==
FLAVOR_ROLE_EXCEPTIONS.get(role, role)):
return flavor.name
return 'baremetal'
def _get_count_key(role):
return '%sCount' % role.title().replace('-', '')
def _get_flavor_key(role):
return 'Overcloud%sFlavor' % role.title().replace('-', '')
def set_count_and_flavor_params(role, baremetal_client, compute_client):
"""Returns the parameters for role count and flavor.
The parameter names are derived from the role name:
<camel case role name, no hyphens>Count
Overcloud<camel case role name, no hyphens>Flavor
Exceptions from this rule (the control and object-storage roles) are
defined in the PARAM_EXCEPTIONS dict.
"""
node_count = get_node_count(role, baremetal_client)
if node_count == 0:
flavor = 'baremetal'
else:
flavor = get_flavor(role, compute_client)
if role in PARAM_EXCEPTIONS:
return {
PARAM_EXCEPTIONS[role]['count']: node_count,
PARAM_EXCEPTIONS[role]['flavor']: flavor
}
return {
_get_count_key(role): node_count,
_get_flavor_key(role): flavor
}
def get_profile_of_flavor(flavor_name, compute_client):
"""Returns profile name for a given flavor name.
:param flavor_name: Flavor name
:param compute_client: Compute client object
:raises: exception.DeriveParamsError: Derive parameters error
:return: profile name
"""
try:
flavor = compute_client.flavors.find(name=flavor_name)
except Exception as err:
raise exception.DeriveParamsError(
'Unable to determine flavor for flavor name: '
'%(flavor_name)s. Error:%(err)s' % {'flavor_name': flavor_name,
'err': err})
if flavor:
profile = flavor.get_keys().get('capabilities:profile', '')
if profile:
return profile
else:
raise exception.DeriveParamsError(
'Unable to determine profile for flavor (flavor name: '
'%s)' % flavor_name)
else:
raise exception.DeriveParamsError(
'Unable to determine flavor for flavor name: '
'%s' % flavor_name)
def convert_docker_params(stack_env=None):
"""Convert Docker* params to "Container" varients for compatibility.
"""
if stack_env:
pd = stack_env.get('parameter_defaults', {})
for k, v in pd.copy().items():
if k.startswith('Docker') and k.endswith('Image'):
name = "Container%s" % k[6:]
pd.setdefault(name, v)
# TODO(dprince) add other Docker* conversions here once
# this is wired in