metalsmith/metalsmith/_utils.py

77 lines
2.4 KiB
Python

# Copyright 2018 Red Hat, Inc.
#
# 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
import json
import os
import shutil
import tempfile
def log_node(node):
if node.name:
return '%s (UUID %s)' % (node.name, node.uuid)
else:
return node.uuid
def get_capabilities(node):
caps = node.properties.get('capabilities') or {}
if not isinstance(caps, dict):
caps = dict(x.split(':', 1) for x in caps.split(',') if x)
return caps
@contextlib.contextmanager
def config_drive_dir(node, ssh_keys):
d = tempfile.mkdtemp()
try:
metadata = {'public_keys': ssh_keys,
'uuid': node.uuid,
'name': node.name,
'hostname': node.name or node.uuid,
'launch_index': 0,
'availability_zone': '',
'files': [],
'meta': {}}
for version in ('2012-08-10', 'latest'):
subdir = os.path.join(d, 'openstack', version)
if not os.path.exists(subdir):
os.makedirs(subdir)
with open(os.path.join(subdir, 'meta_data.json'), 'w') as fp:
print(metadata)
json.dump(metadata, fp)
yield d
finally:
shutil.rmtree(d)
def get_root_disk(root_disk_size, node):
"""Validate and calculate the root disk size."""
if root_disk_size is not None:
if not isinstance(root_disk_size, int):
raise TypeError("The root_disk_size argument must be "
"a positive integer, got %r" % root_disk_size)
elif root_disk_size <= 0:
raise ValueError("The root_disk_size argument must be "
"a positive integer, got %d" % root_disk_size)
else:
# allow for partitioning and config drive
root_disk_size = int(node.properties['local_gb']) - 1
return root_disk_size