/usr/lib/python2.7/dist-packages/magnumclient/v1/clusters_shell.py is in python-magnumclient 2.3.1-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 | # Copyright 2015 NEC Corporation. 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 os
from magnumclient.common import cliutils as utils
from magnumclient.common import utils as magnum_utils
from magnumclient import exceptions
from magnumclient.i18n import _
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
def _show_cluster(cluster):
del cluster._info['links']
utils.print_dict(cluster._info)
@utils.arg('--marker',
metavar='<marker>',
default=None,
help='The last cluster UUID of the previous page; '
'displays list of clusters after "marker".')
@utils.arg('--limit',
metavar='<limit>',
type=int,
help='Maximum number of clusters to return.')
@utils.arg('--sort-key',
metavar='<sort-key>',
help='Column to sort results by.')
@utils.arg('--sort-dir',
metavar='<sort-dir>',
choices=['desc', 'asc'],
help='Direction to sort. "asc" or "desc".')
@utils.arg('--fields',
default=None,
metavar='<fields>',
help=_('Comma-separated list of fields to display. '
'Available fields: uuid, name, baymodel_id, stack_id, '
'status, master_count, node_count, links, '
'cluster_create_timeout'
)
)
def do_cluster_list(cs, args):
"""Print a list of available clusters."""
clusters = cs.clusters.list(marker=args.marker, limit=args.limit,
sort_key=args.sort_key,
sort_dir=args.sort_dir)
columns = ['uuid', 'name', 'node_count', 'master_count', 'status']
columns += utils._get_list_table_columns_and_formatters(
args.fields, clusters,
exclude_fields=(c.lower() for c in columns))[0]
utils.print_list(clusters, columns,
{'versions': magnum_utils.print_list_field('versions')},
sortby_index=None)
@utils.arg('--name',
metavar='<name>',
help='Name of the cluster to create.')
@utils.arg('--cluster-template',
required=True,
metavar='<cluster_template>',
help='ID or name of the cluster template.')
@utils.arg('--node-count',
metavar='<node-count>',
type=int,
default=1,
help='The cluster node count.')
@utils.arg('--master-count',
metavar='<master-count>',
type=int,
default=1,
help='The number of master nodes for the cluster.')
@utils.arg('--discovery-url',
metavar='<discovery-url>',
help='Specifies custom discovery url for node discovery.')
@utils.arg('--timeout',
metavar='<timeout>',
type=int,
default=60,
help='The timeout for cluster creation in minutes. The default '
'is 60 minutes.')
def do_cluster_create(cs, args):
"""Create a cluster."""
cluster_template = cs.cluster_templates.get(args.cluster_template)
opts = {}
opts['name'] = args.name
opts['cluster_template_id'] = cluster_template.uuid
opts['node_count'] = args.node_count
opts['master_count'] = args.master_count
opts['discovery_url'] = args.discovery_url
opts['create_timeout'] = args.timeout
try:
cluster = cs.clusters.create(**opts)
# support for non-async in 1.1
if args.magnum_api_version and args.magnum_api_version == '1.1':
_show_cluster(cluster)
else:
fields = str(cluster).split("u'")
uuid = fields[2]
print("Request to create cluster %s has been accepted." % uuid[:3])
except Exception as e:
print("Create for cluster %s failed: %s" %
(opts['name'], e))
@utils.arg('cluster',
metavar='<cluster>',
nargs='+',
help='ID or name of the (cluster)s to delete.')
def do_cluster_delete(cs, args):
"""Delete specified cluster."""
for id in args.cluster:
try:
cs.clusters.delete(id)
print("Request to delete cluster %s has been accepted." %
id)
except Exception as e:
print("Delete for cluster %(cluster)s failed: %(e)s" %
{'cluster': id, 'e': e})
@utils.arg('cluster',
metavar='<cluster>',
help='ID or name of the cluster to show.')
@utils.arg('--long',
action='store_true', default=False,
help='Display extra associated cluster template info.')
def do_cluster_show(cs, args):
"""Show details about the given cluster."""
cluster = cs.clusters.get(args.cluster)
if args.long:
cluster_template = \
cs.cluster_templates.get(cluster.cluster_template_id)
del cluster_template._info['links'], cluster_template._info['uuid']
for key in cluster_template._info:
if 'clustertemplate_' + key not in cluster._info:
cluster._info['clustertemplate_' + key] = \
cluster_template._info[key]
_show_cluster(cluster)
@utils.arg('cluster', metavar='<cluster>', help="UUID or name of cluster")
@utils.arg(
'op',
metavar='<op>',
choices=['add', 'replace', 'remove'],
help="Operations: 'add', 'replace' or 'remove'")
@utils.arg(
'attributes',
metavar='<path=value>',
nargs='+',
action='append',
default=[],
help="Attributes to add/replace or remove "
"(only PATH is necessary on remove)")
def do_cluster_update(cs, args):
"""Update information about the given cluster."""
patch = magnum_utils.args_array_to_patch(args.op, args.attributes[0])
cluster = cs.clusters.update(args.cluster, patch)
if args.magnum_api_version and args.magnum_api_version == '1.1':
_show_cluster(cluster)
else:
print("Request to update cluster %s has been accepted." % args.cluster)
@utils.arg('cluster',
metavar='<cluster>',
help='ID or name of the cluster to retrieve config.')
@utils.arg('--dir',
metavar='<dir>',
default='.',
help='Directory to save the certificate and config files.')
@utils.arg('--force',
action='store_true', default=False,
help='Overwrite files if existing.')
def do_cluster_config(cs, args):
"""Configure native client to access cluster.
You can source the output of this command to get the native client of the
corresponding COE configured to access the cluster.
Example: eval $(magnum cluster-config <cluster-name>).
"""
cluster = cs.clusters.get(args.cluster)
if cluster.status not in ('CREATE_COMPLETE', 'UPDATE_COMPLETE'):
raise exceptions.CommandError("cluster in status %s" % cluster.status)
cluster_template = cs.cluster_templates.get(cluster.cluster_template_id)
opts = {
'cluster_uuid': cluster.uuid,
}
if not cluster_template.tls_disabled:
tls = _generate_csr_and_key()
tls['ca'] = cs.certificates.get(**opts).pem
opts['csr'] = tls['csr']
tls['cert'] = cs.certificates.create(**opts).pem
for k in ('key', 'cert', 'ca'):
fname = "%s/%s.pem" % (args.dir, k)
if os.path.exists(fname) and not args.force:
raise Exception("File %s exists, aborting." % fname)
else:
f = open(fname, "w")
f.write(tls[k])
f.close()
print(_config_cluster(cluster, cluster_template,
cfg_dir=args.dir, force=args.force))
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':
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: default/%(name)s\n"
"current-context: default/%(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: 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: default/%(name)s\n"
"current-context: default/%(name)s\n"
"kind: Config\n"
"preferences: {}\n"
"users:\n"
"- name: %(name)s\n"
" user:\n"
" client-certificate: cert.pem\n"
" client-key: key.pem\n"
% {'name': cluster.name, 'api_address': cluster.api_address})
if os.path.exists(cfg_file) and not force:
raise exceptions.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."""
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': not cluster_template.tls_disabled}
)
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': not cluster_template.tls_disabled}
)
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),
'key': key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption()),
}
return result
|