703bddb775
Change-Id: I7b313174896917d583bf8356207abf57ea08a197
115 lines
3.6 KiB
Python
115 lines
3.6 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 collections
|
|
import re
|
|
|
|
import six
|
|
|
|
from metalsmith import exceptions
|
|
|
|
|
|
def log_node(node):
|
|
if node.name:
|
|
return '%s (UUID %s)' % (node.name, node.uuid)
|
|
else:
|
|
return node.uuid
|
|
|
|
|
|
def log_res(res):
|
|
if getattr(res, 'name', None):
|
|
return '%s (UUID %s)' % (res.name, res.id)
|
|
else:
|
|
return res.id
|
|
|
|
|
|
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
|
|
|
|
|
|
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:
|
|
try:
|
|
assert int(node.properties['local_gb']) > 0
|
|
except KeyError:
|
|
raise exceptions.UnknownRootDiskSize(
|
|
'No local_gb for node %s and no root disk size requested' %
|
|
log_node(node))
|
|
except (TypeError, ValueError, AssertionError):
|
|
raise exceptions.UnknownRootDiskSize(
|
|
'The local_gb for node %(node)s is invalid: '
|
|
'expected positive integer, got %(value)s' %
|
|
{'node': log_node(node),
|
|
'value': node.properties['local_gb']})
|
|
|
|
# allow for partitioning and config drive
|
|
root_disk_size = int(node.properties['local_gb']) - 1
|
|
|
|
return root_disk_size
|
|
|
|
|
|
_HOSTNAME_RE = re.compile(r"""^
|
|
[a-z0-9][a-z0-9\-]{0,61}[a-z0-9] # host
|
|
(\.[a-z0-9][a-z0-9\-]{0,61}[a-z0-9])* # domain
|
|
$""", re.IGNORECASE | re.VERBOSE)
|
|
|
|
|
|
def is_hostname_safe(hostname):
|
|
"""Check for valid host name.
|
|
|
|
Nominally, checks that the supplied hostname conforms to:
|
|
* http://en.wikipedia.org/wiki/Hostname
|
|
* http://tools.ietf.org/html/rfc952
|
|
* http://tools.ietf.org/html/rfc1123
|
|
|
|
:param hostname: The hostname to be validated.
|
|
:returns: True if valid. False if not.
|
|
"""
|
|
if not isinstance(hostname, six.string_types) or len(hostname) > 255:
|
|
return False
|
|
|
|
return _HOSTNAME_RE.match(hostname) is not None
|
|
|
|
|
|
def validate_nics(nics):
|
|
"""Validate NICs."""
|
|
if not isinstance(nics, collections.Sequence):
|
|
raise TypeError("NICs must be a list of dicts")
|
|
|
|
unknown_nic_types = set()
|
|
for nic in nics:
|
|
if not isinstance(nic, collections.Mapping) or len(nic) != 1:
|
|
raise TypeError("Each NIC must be a dict with one item, "
|
|
"got %s" % nic)
|
|
|
|
nic_type = next(iter(nic))
|
|
if nic_type not in ('port', 'network'):
|
|
unknown_nic_types.add(nic_type)
|
|
|
|
if unknown_nic_types:
|
|
raise ValueError("Unexpected NIC type(s) %s, supported values are "
|
|
"'port' and 'network'" % ', '.join(unknown_nic_types))
|