/usr/lib/python2.7/dist-packages/magnumclient/common/utils.py is in python-magnumclient 2.8.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 | # -*- coding: utf-8 -*-
#
# Copyright 2012 OpenStack LLC.
# 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.
import json
import os
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives import serialization
from cryptography import x509
from cryptography.x509.oid import NameOID
from magnumclient import exceptions as exc
from magnumclient.i18n import _
def common_filters(marker=None, limit=None, sort_key=None, sort_dir=None):
"""Generate common filters for any list request.
:param marker: entity ID from which to start returning entities.
:param limit: maximum number of entities to return.
:param sort_key: field to use for sorting.
:param sort_dir: direction of sorting: 'asc' or 'desc'.
:returns: list of string filters.
"""
filters = []
if isinstance(limit, int):
filters.append('limit=%s' % limit)
if marker is not None:
filters.append('marker=%s' % marker)
if sort_key is not None:
filters.append('sort_key=%s' % sort_key)
if sort_dir is not None:
filters.append('sort_dir=%s' % sort_dir)
return filters
def split_and_deserialize(string):
"""Split and try to JSON deserialize a string.
Gets a string with the KEY=VALUE format, split it (using '=' as the
separator) and try to JSON deserialize the VALUE.
:returns: A tuple of (key, value).
"""
try:
key, value = string.split("=", 1)
except ValueError:
raise exc.CommandError(_('Attributes must be a list of '
'PATH=VALUE not "%s"') % string)
try:
value = json.loads(value)
except ValueError:
pass
return (key, value)
def args_array_to_patch(op, attributes):
patch = []
for attr in attributes:
# Sanitize
if not attr.startswith('/'):
attr = '/' + attr
if op in ['add', 'replace']:
path, value = split_and_deserialize(attr)
patch.append({'op': op, 'path': path, 'value': value})
elif op == "remove":
# For remove only the key is needed
patch.append({'op': op, 'path': attr})
else:
raise exc.CommandError(_('Unknown PATCH operation: %s') % op)
return patch
def handle_labels(labels):
labels = format_labels(labels)
if 'mesos_slave_executor_env_file' in labels:
environment_variables_data = handle_json_from_file(
labels['mesos_slave_executor_env_file'])
labels['mesos_slave_executor_env_variables'] = json.dumps(
environment_variables_data)
return labels
def format_labels(lbls, parse_comma=True):
'''Reformat labels into dict of format expected by the API.'''
if not lbls:
return {}
if parse_comma:
# expect multiple invocations of --labels but fall back
# to either , or ; delimited if only one --labels is specified
if len(lbls) == 1 and lbls[0].count('=') > 1:
lbls = lbls[0].replace(';', ',').split(',')
labels = {}
for l in lbls:
try:
(k, v) = l.split(('='), 1)
except ValueError:
raise exc.CommandError(_('labels must be a list of KEY=VALUE '
'not %s') % l)
if k not in labels:
labels[k] = v
else:
labels[k] += ",%s" % v
return labels
def print_list_field(field):
return lambda obj: ', '.join(getattr(obj, field))
def handle_json_from_file(json_arg):
"""Attempts to read JSON file by the file url.
:param json_arg: May be a file name containing the JSON.
:returns: A list or dictionary parsed from JSON.
"""
try:
with open(json_arg, 'r') as f:
json_arg = f.read().strip()
json_arg = json.loads(json_arg)
except IOError as e:
err = _("Cannot get JSON from file '%(file)s'. "
"Error: %(err)s") % {'err': e, 'file': json_arg}
raise exc.InvalidAttribute(err)
except ValueError as e:
err = (_("For JSON: '%(string)s', error: '%(err)s'") %
{'err': e, 'string': json_arg})
raise exc.InvalidAttribute(err)
return json_arg
def config_cluster(cluster, cluster_template, cfg_dir, force=False):
"""Return and write configuration for the given cluster."""
if cluster_template.coe == 'kubernetes':
return _config_cluster_kubernetes(cluster, cluster_template,
cfg_dir, force)
elif (cluster_template.coe == 'swarm'
or cluster_template.coe == 'swarm-mode'):
return _config_cluster_swarm(cluster, cluster_template, cfg_dir, force)
def _config_cluster_kubernetes(cluster, cluster_template,
cfg_dir, force=False):
"""Return and write configuration for the given kubernetes cluster."""
cfg_file = "%s/config" % cfg_dir
if cluster_template.tls_disabled:
cfg = ("apiVersion: v1\n"
"clusters:\n"
"- cluster:\n"
" server: %(api_address)s\n"
" name: %(name)s\n"
"contexts:\n"
"- context:\n"
" cluster: %(name)s\n"
" user: %(name)s\n"
" name: %(name)s\n"
"current-context: %(name)s\n"
"kind: Config\n"
"preferences: {}\n"
"users:\n"
"- name: %(name)s'\n"
% {'name': cluster.name, 'api_address': cluster.api_address})
else:
cfg = ("apiVersion: v1\n"
"clusters:\n"
"- cluster:\n"
" certificate-authority: %(cfg_dir)s/ca.pem\n"
" server: %(api_address)s\n"
" name: %(name)s\n"
"contexts:\n"
"- context:\n"
" cluster: %(name)s\n"
" user: %(name)s\n"
" name: %(name)s\n"
"current-context: %(name)s\n"
"kind: Config\n"
"preferences: {}\n"
"users:\n"
"- name: %(name)s\n"
" user:\n"
" client-certificate: %(cfg_dir)s/cert.pem\n"
" client-key: %(cfg_dir)s/key.pem\n"
% {'name': cluster.name,
'api_address': cluster.api_address,
'cfg_dir': cfg_dir})
if os.path.exists(cfg_file) and not force:
raise exc.CommandError("File %s exists, aborting." % cfg_file)
else:
f = open(cfg_file, "w")
f.write(cfg)
f.close()
if 'csh' in os.environ['SHELL']:
return "setenv KUBECONFIG %s\n" % cfg_file
else:
return "export KUBECONFIG=%s\n" % cfg_file
def _config_cluster_swarm(cluster, cluster_template, cfg_dir, force=False):
"""Return and write configuration for the given swarm cluster."""
tls = "" if cluster_template.tls_disabled else True
if 'csh' in os.environ['SHELL']:
result = ("setenv DOCKER_HOST %(docker_host)s\n"
"setenv DOCKER_CERT_PATH %(cfg_dir)s\n"
"setenv DOCKER_TLS_VERIFY %(tls)s\n"
% {'docker_host': cluster.api_address,
'cfg_dir': cfg_dir,
'tls': tls}
)
else:
result = ("export DOCKER_HOST=%(docker_host)s\n"
"export DOCKER_CERT_PATH=%(cfg_dir)s\n"
"export DOCKER_TLS_VERIFY=%(tls)s\n"
% {'docker_host': cluster.api_address,
'cfg_dir': cfg_dir,
'tls': tls}
)
return result
def generate_csr_and_key():
"""Return a dict with a new csr and key."""
key = rsa.generate_private_key(
public_exponent=65537,
key_size=2048,
backend=default_backend())
csr = x509.CertificateSigningRequestBuilder().subject_name(x509.Name([
x509.NameAttribute(NameOID.COMMON_NAME, u"Magnum User"),
])).sign(key, hashes.SHA256(), default_backend())
result = {
'csr': csr.public_bytes(
encoding=serialization.Encoding.PEM).decode("utf-8"),
'key': key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption()).decode("utf-8"),
}
return result
|