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# 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.
#
"""Subnet action implementations"""
import copy
import logging
from cliff import columns as cliff_columns
from osc_lib.cli import format_columns
from osc_lib.cli import parseractions
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from osc_lib.utils import tags as _tag
from openstackclient.i18n import _
from openstackclient.identity import common as identity_common
from openstackclient.network import common
LOG = logging.getLogger(__name__)
def _update_arguments(obj_list, parsed_args_list, option):
for item in parsed_args_list:
try:
obj_list.remove(item)
except ValueError:
msg = (_("Subnet does not contain %(option)s %(value)s") %
{'option': option, 'value': item})
raise exceptions.CommandError(msg)
class AllocationPoolsColumn(cliff_columns.FormattableColumn):
def human_readable(self):
pool_formatted = ['%s-%s' % (pool.get('start', ''),
pool.get('end', ''))
for pool in self._value]
return ','.join(pool_formatted)
class HostRoutesColumn(cliff_columns.FormattableColumn):
def human_readable(self):
# Map the host route keys to match --host-route option.
return utils.format_list_of_dicts(
convert_entries_to_gateway(self._value))
_formatters = {
'allocation_pools': AllocationPoolsColumn,
'dns_nameservers': format_columns.ListColumn,
'host_routes': HostRoutesColumn,
'service_types': format_columns.ListColumn,
'tags': format_columns.ListColumn,
}
def _get_common_parse_arguments(parser, is_create=True):
parser.add_argument(
'--allocation-pool',
metavar='start=<ip-address>,end=<ip-address>',
dest='allocation_pools',
action=parseractions.MultiKeyValueAction,
required_keys=['start', 'end'],
help=_("Allocation pool IP addresses for this subnet "
"e.g.: start=192.168.199.2,end=192.168.199.254 "
"(repeat option to add multiple IP addresses)")
)
if not is_create:
parser.add_argument(
'--no-allocation-pool',
action='store_true',
help=_("Clear associated allocation-pools from the subnet. "
"Specify both --allocation-pool and --no-allocation-pool "
"to overwrite the current allocation pool information.")
)
parser.add_argument(
'--dns-nameserver',
metavar='<dns-nameserver>',
action='append',
dest='dns_nameservers',
help=_("DNS server for this subnet "
"(repeat option to set multiple DNS servers)")
)
if not is_create:
parser.add_argument(
'--no-dns-nameservers',
action='store_true',
help=_("Clear existing information of DNS Nameservers. "
"Specify both --dns-nameserver and --no-dns-nameserver "
"to overwrite the current DNS Nameserver information.")
)
parser.add_argument(
'--host-route',
metavar='destination=<subnet>,gateway=<ip-address>',
dest='host_routes',
action=parseractions.MultiKeyValueAction,
required_keys=['destination', 'gateway'],
help=_("Additional route for this subnet "
"e.g.: destination=10.10.0.0/16,gateway=192.168.71.254 "
"destination: destination subnet (in CIDR notation) "
"gateway: nexthop IP address "
"(repeat option to add multiple routes)")
)
if not is_create:
parser.add_argument(
'--no-host-route',
action='store_true',
help=_("Clear associated host-routes from the subnet. "
"Specify both --host-route and --no-host-route "
"to overwrite the current host route information.")
)
parser.add_argument(
'--service-type',
metavar='<service-type>',
action='append',
dest='service_types',
help=_("Service type for this subnet "
"e.g.: network:floatingip_agent_gateway. "
"Must be a valid device owner value for a network port "
"(repeat option to set multiple service types)")
)
def _get_columns(item):
column_map = {
'is_dhcp_enabled': 'enable_dhcp',
'subnet_pool_id': 'subnetpool_id',
}
# Do not show these columns when displaying a subnet
hidden_columns = [
'location',
'use_default_subnet_pool',
'prefix_length',
'tenant_id',
]
return utils.get_osc_show_columns_for_sdk_resource(
item,
column_map,
hidden_columns
)
def convert_entries_to_nexthop(entries):
# Change 'gateway' entry to 'nexthop'
changed_entries = copy.deepcopy(entries)
for entry in changed_entries:
if 'gateway' in entry:
entry['nexthop'] = entry['gateway']
del entry['gateway']
return changed_entries
def convert_entries_to_gateway(entries):
# Change 'nexthop' entry to 'gateway'
changed_entries = copy.deepcopy(entries)
for entry in changed_entries:
if 'nexthop' in entry:
entry['gateway'] = entry['nexthop']
del entry['nexthop']
return changed_entries
def _get_attrs(client_manager, parsed_args, is_create=True):
attrs = {}
client = client_manager.network
if 'name' in parsed_args and parsed_args.name is not None:
attrs['name'] = parsed_args.name
if is_create:
if 'project' in parsed_args and parsed_args.project is not None:
identity_client = client_manager.identity
project_id = identity_common.find_project(
identity_client,
parsed_args.project,
parsed_args.project_domain,
).id
attrs['project_id'] = project_id
attrs['network_id'] = client.find_network(parsed_args.network,
ignore_missing=False).id
if parsed_args.subnet_pool is not None:
subnet_pool = client.find_subnet_pool(parsed_args.subnet_pool,
ignore_missing=False)
attrs['subnetpool_id'] = subnet_pool.id
if parsed_args.use_prefix_delegation:
attrs['subnetpool_id'] = "prefix_delegation"
if parsed_args.use_default_subnet_pool:
attrs['use_default_subnet_pool'] = True
if parsed_args.prefix_length is not None:
attrs['prefixlen'] = parsed_args.prefix_length
if parsed_args.subnet_range is not None:
attrs['cidr'] = parsed_args.subnet_range
if parsed_args.ip_version is not None:
attrs['ip_version'] = parsed_args.ip_version
if parsed_args.ipv6_ra_mode is not None:
attrs['ipv6_ra_mode'] = parsed_args.ipv6_ra_mode
if parsed_args.ipv6_address_mode is not None:
attrs['ipv6_address_mode'] = parsed_args.ipv6_address_mode
if parsed_args.network_segment is not None:
attrs['segment_id'] = client.find_segment(
parsed_args.network_segment, ignore_missing=False).id
if 'gateway' in parsed_args and parsed_args.gateway is not None:
gateway = parsed_args.gateway.lower()
if not is_create and gateway == 'auto':
msg = _("Auto option is not available for Subnet Set. "
"Valid options are <ip-address> or none")
raise exceptions.CommandError(msg)
elif gateway != 'auto':
if gateway == 'none':
attrs['gateway_ip'] = None
else:
attrs['gateway_ip'] = gateway
if ('allocation_pools' in parsed_args and
parsed_args.allocation_pools is not None):
attrs['allocation_pools'] = parsed_args.allocation_pools
if parsed_args.dhcp:
attrs['enable_dhcp'] = True
if parsed_args.no_dhcp:
attrs['enable_dhcp'] = False
if parsed_args.dns_publish_fixed_ip:
attrs['dns_publish_fixed_ip'] = True
if parsed_args.no_dns_publish_fixed_ip:
attrs['dns_publish_fixed_ip'] = False
if ('dns_nameservers' in parsed_args and
parsed_args.dns_nameservers is not None):
attrs['dns_nameservers'] = parsed_args.dns_nameservers
if 'host_routes' in parsed_args and parsed_args.host_routes is not None:
# Change 'gateway' entry to 'nexthop' to match the API
attrs['host_routes'] = convert_entries_to_nexthop(
parsed_args.host_routes)
if ('service_types' in parsed_args and
parsed_args.service_types is not None):
attrs['service_types'] = parsed_args.service_types
if parsed_args.description is not None:
attrs['description'] = parsed_args.description
return attrs
# TODO(abhiraut): Use the SDK resource mapped attribute names once the
# OSC minimum requirements include SDK 1.0.
class CreateSubnet(command.ShowOne, common.NeutronCommandWithExtraArgs):
_description = _("Create a subnet")
def get_parser(self, prog_name):
parser = super(CreateSubnet, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help=_("New subnet name")
)
parser.add_argument(
'--project',
metavar='<project>',
help=_("Owner's project (name or ID)")
)
identity_common.add_project_domain_option_to_parser(parser)
subnet_pool_group = parser.add_mutually_exclusive_group()
subnet_pool_group.add_argument(
'--subnet-pool',
metavar='<subnet-pool>',
help=_("Subnet pool from which this subnet will obtain a CIDR "
"(Name or ID)")
)
subnet_pool_group.add_argument(
'--use-prefix-delegation',
help=_("Use 'prefix-delegation' if IP is IPv6 format "
"and IP would be delegated externally")
)
subnet_pool_group.add_argument(
'--use-default-subnet-pool',
action='store_true',
help=_("Use default subnet pool for --ip-version")
)
parser.add_argument(
'--prefix-length',
metavar='<prefix-length>',
help=_("Prefix length for subnet allocation from subnet pool")
)
parser.add_argument(
'--subnet-range',
metavar='<subnet-range>',
help=_("Subnet range in CIDR notation "
"(required if --subnet-pool is not specified, "
"optional otherwise)")
)
dhcp_enable_group = parser.add_mutually_exclusive_group()
dhcp_enable_group.add_argument(
'--dhcp',
action='store_true',
help=_("Enable DHCP (default)")
)
dhcp_enable_group.add_argument(
'--no-dhcp',
action='store_true',
help=_("Disable DHCP")
)
dns_publish_fixed_ip_group = parser.add_mutually_exclusive_group()
dns_publish_fixed_ip_group.add_argument(
'--dns-publish-fixed-ip',
action='store_true',
help=_("Enable publishing fixed IPs in DNS")
)
dns_publish_fixed_ip_group.add_argument(
'--no-dns-publish-fixed-ip',
action='store_true',
help=_("Disable publishing fixed IPs in DNS (default)")
)
parser.add_argument(
'--gateway',
metavar='<gateway>',
default='auto',
help=_("Specify a gateway for the subnet. The three options are: "
"<ip-address>: Specific IP address to use as the gateway, "
"'auto': Gateway address should automatically be chosen "
"from within the subnet itself, 'none': This subnet will "
"not use a gateway, e.g.: --gateway 192.168.9.1, "
"--gateway auto, --gateway none (default is 'auto').")
)
parser.add_argument(
'--ip-version',
type=int,
default=4,
choices=[4, 6],
help=_("IP version (default is 4). Note that when subnet pool is "
"specified, IP version is determined from the subnet pool "
"and this option is ignored.")
)
parser.add_argument(
'--ipv6-ra-mode',
choices=['dhcpv6-stateful', 'dhcpv6-stateless', 'slaac'],
help=_("IPv6 RA (Router Advertisement) mode, "
"valid modes: [dhcpv6-stateful, dhcpv6-stateless, slaac]")
)
parser.add_argument(
'--ipv6-address-mode',
choices=['dhcpv6-stateful', 'dhcpv6-stateless', 'slaac'],
help=_("IPv6 address mode, "
"valid modes: [dhcpv6-stateful, dhcpv6-stateless, slaac]")
)
parser.add_argument(
'--network-segment',
metavar='<network-segment>',
help=_("Network segment to associate with this subnet "
"(name or ID)")
)
parser.add_argument(
'--network',
required=True,
metavar='<network>',
help=_("Network this subnet belongs to (name or ID)")
)
parser.add_argument(
'--description',
metavar='<description>',
help=_("Set subnet description")
)
_get_common_parse_arguments(parser)
_tag.add_tag_option_to_parser_for_create(parser, _('subnet'))
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.network
attrs = _get_attrs(self.app.client_manager, parsed_args)
attrs.update(
self._parse_extra_properties(parsed_args.extra_properties))
obj = client.create_subnet(**attrs)
# tags cannot be set when created, so tags need to be set later.
_tag.update_tags_for_set(client, obj, parsed_args)
display_columns, columns = _get_columns(obj)
data = utils.get_item_properties(obj, columns, formatters=_formatters)
return (display_columns, data)
class DeleteSubnet(command.Command):
_description = _("Delete subnet(s)")
def get_parser(self, prog_name):
parser = super(DeleteSubnet, self).get_parser(prog_name)
parser.add_argument(
'subnet',
metavar="<subnet>",
nargs='+',
help=_("Subnet(s) to delete (name or ID)")
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.network
result = 0
for subnet in parsed_args.subnet:
try:
obj = client.find_subnet(subnet, ignore_missing=False)
client.delete_subnet(obj)
except Exception as e:
result += 1
LOG.error(_("Failed to delete subnet with "
"name or ID '%(subnet)s': %(e)s"),
{'subnet': subnet, 'e': e})
if result > 0:
total = len(parsed_args.subnet)
msg = (_("%(result)s of %(total)s subnets failed "
"to delete.") % {'result': result, 'total': total})
raise exceptions.CommandError(msg)
# TODO(abhiraut): Use only the SDK resource mapped attribute names once the
# OSC minimum requirements include SDK 1.0.
class ListSubnet(command.Lister):
_description = _("List subnets")
def get_parser(self, prog_name):
parser = super(ListSubnet, self).get_parser(prog_name)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_("List additional fields in output")
)
parser.add_argument(
'--ip-version',
type=int,
choices=[4, 6],
metavar='<ip-version>',
dest='ip_version',
help=_("List only subnets of given IP version in output. "
"Allowed values for IP version are 4 and 6."),
)
dhcp_enable_group = parser.add_mutually_exclusive_group()
dhcp_enable_group.add_argument(
'--dhcp',
action='store_true',
help=_("List subnets which have DHCP enabled")
)
dhcp_enable_group.add_argument(
'--no-dhcp',
action='store_true',
help=_("List subnets which have DHCP disabled")
)
parser.add_argument(
'--service-type',
metavar='<service-type>',
action='append',
dest='service_types',
help=_("List only subnets of a given service type in output "
"e.g.: network:floatingip_agent_gateway. "
"Must be a valid device owner value for a network port "
"(repeat option to list multiple service types)")
)
parser.add_argument(
'--project',
metavar='<project>',
help=_("List only subnets which belong to a given project "
"in output (name or ID)")
)
identity_common.add_project_domain_option_to_parser(parser)
parser.add_argument(
'--network',
metavar='<network>',
help=_("List only subnets which belong to a given network "
"in output (name or ID)")
)
parser.add_argument(
'--gateway',
metavar='<gateway>',
help=_("List only subnets of given gateway IP in output")
)
parser.add_argument(
'--name',
metavar='<name>',
help=_("List only subnets of given name in output")
)
parser.add_argument(
'--subnet-range',
metavar='<subnet-range>',
help=_("List only subnets of given subnet range "
"(in CIDR notation) in output "
"e.g.: --subnet-range 10.10.0.0/16")
)
parser.add_argument(
'--subnet-pool',
metavar='<subnet-pool>',
help=_("List only subnets which belong to a given subnet pool "
"in output (Name or ID)")
)
_tag.add_tag_filtering_option_to_parser(parser, _('subnets'))
return parser
def take_action(self, parsed_args):
identity_client = self.app.client_manager.identity
network_client = self.app.client_manager.network
filters = {}
if parsed_args.ip_version:
filters['ip_version'] = parsed_args.ip_version
if parsed_args.dhcp:
filters['enable_dhcp'] = True
filters['is_dhcp_enabled'] = True
elif parsed_args.no_dhcp:
filters['enable_dhcp'] = False
filters['is_dhcp_enabled'] = False
if parsed_args.service_types:
filters['service_types'] = parsed_args.service_types
if parsed_args.project:
project_id = identity_common.find_project(
identity_client,
parsed_args.project,
parsed_args.project_domain,
).id
filters['project_id'] = project_id
if parsed_args.network:
network_id = network_client.find_network(parsed_args.network,
ignore_missing=False).id
filters['network_id'] = network_id
if parsed_args.gateway:
filters['gateway_ip'] = parsed_args.gateway
if parsed_args.name:
filters['name'] = parsed_args.name
if parsed_args.subnet_range:
filters['cidr'] = parsed_args.subnet_range
if parsed_args.subnet_pool:
subnetpool_id = network_client.find_subnet_pool(
parsed_args.subnet_pool, ignore_missing=False).id
filters['subnetpool_id'] = subnetpool_id
_tag.get_tag_filtering_args(parsed_args, filters)
data = network_client.subnets(**filters)
headers = ('ID', 'Name', 'Network', 'Subnet')
columns = ('id', 'name', 'network_id', 'cidr')
if parsed_args.long:
headers += ('Project', 'DHCP', 'Name Servers',
'Allocation Pools', 'Host Routes', 'IP Version',
'Gateway', 'Service Types', 'Tags')
columns += ('project_id', 'is_dhcp_enabled', 'dns_nameservers',
'allocation_pools', 'host_routes', 'ip_version',
'gateway_ip', 'service_types', 'tags')
return (headers,
(utils.get_item_properties(
s, columns,
formatters=_formatters,
) for s in data))
# TODO(abhiraut): Use the SDK resource mapped attribute names once the
# OSC minimum requirements include SDK 1.0.
class SetSubnet(common.NeutronCommandWithExtraArgs):
_description = _("Set subnet properties")
def get_parser(self, prog_name):
parser = super(SetSubnet, self).get_parser(prog_name)
parser.add_argument(
'subnet',
metavar="<subnet>",
help=_("Subnet to modify (name or ID)")
)
parser.add_argument(
'--name',
metavar='<name>',
help=_("Updated name of the subnet")
)
dhcp_enable_group = parser.add_mutually_exclusive_group()
dhcp_enable_group.add_argument(
'--dhcp',
action='store_true',
default=None,
help=_("Enable DHCP")
)
dhcp_enable_group.add_argument(
'--no-dhcp',
action='store_true',
help=_("Disable DHCP")
)
dns_publish_fixed_ip_group = parser.add_mutually_exclusive_group()
dns_publish_fixed_ip_group.add_argument(
'--dns-publish-fixed-ip',
action='store_true',
help=_("Enable publishing fixed IPs in DNS")
)
dns_publish_fixed_ip_group.add_argument(
'--no-dns-publish-fixed-ip',
action='store_true',
help=_("Disable publishing fixed IPs in DNS")
)
parser.add_argument(
'--gateway',
metavar='<gateway>',
help=_("Specify a gateway for the subnet. The options are: "
"<ip-address>: Specific IP address to use as the gateway, "
"'none': This subnet will not use a gateway, "
"e.g.: --gateway 192.168.9.1, --gateway none.")
)
parser.add_argument(
'--network-segment',
metavar='<network-segment>',
help=_("Network segment to associate with this subnet (name or "
"ID). It is only allowed to set the segment if the current "
"value is `None`, the network must also have only one "
"segment and only one subnet can exist on the network.")
)
parser.add_argument(
'--description',
metavar='<description>',
help=_("Set subnet description")
)
_tag.add_tag_option_to_parser_for_set(parser, _('subnet'))
_get_common_parse_arguments(parser, is_create=False)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.network
obj = client.find_subnet(parsed_args.subnet, ignore_missing=False)
attrs = _get_attrs(self.app.client_manager, parsed_args,
is_create=False)
if 'dns_nameservers' in attrs:
if not parsed_args.no_dns_nameservers:
attrs['dns_nameservers'] += obj.dns_nameservers
elif parsed_args.no_dns_nameservers:
attrs['dns_nameservers'] = []
if 'host_routes' in attrs:
if not parsed_args.no_host_route:
attrs['host_routes'] += obj.host_routes
elif parsed_args.no_host_route:
attrs['host_routes'] = []
if 'allocation_pools' in attrs:
if not parsed_args.no_allocation_pool:
attrs['allocation_pools'] += obj.allocation_pools
elif parsed_args.no_allocation_pool:
attrs['allocation_pools'] = []
if 'service_types' in attrs:
attrs['service_types'] += obj.service_types
attrs.update(
self._parse_extra_properties(parsed_args.extra_properties))
if attrs:
client.update_subnet(obj, **attrs)
# tags is a subresource and it needs to be updated separately.
_tag.update_tags_for_set(client, obj, parsed_args)
return
class ShowSubnet(command.ShowOne):
_description = _("Display subnet details")
def get_parser(self, prog_name):
parser = super(ShowSubnet, self).get_parser(prog_name)
parser.add_argument(
'subnet',
metavar="<subnet>",
help=_("Subnet to display (name or ID)")
)
return parser
def take_action(self, parsed_args):
obj = self.app.client_manager.network.find_subnet(parsed_args.subnet,
ignore_missing=False)
display_columns, columns = _get_columns(obj)
data = utils.get_item_properties(obj, columns, formatters=_formatters)
return (display_columns, data)
class UnsetSubnet(common.NeutronUnsetCommandWithExtraArgs):
_description = _("Unset subnet properties")
def get_parser(self, prog_name):
parser = super(UnsetSubnet, self).get_parser(prog_name)
parser.add_argument(
'--allocation-pool',
metavar='start=<ip-address>,end=<ip-address>',
dest='allocation_pools',
action=parseractions.MultiKeyValueAction,
required_keys=['start', 'end'],
help=_('Allocation pool IP addresses to be removed from this '
'subnet e.g.: start=192.168.199.2,end=192.168.199.254 '
'(repeat option to unset multiple allocation pools)')
)
parser.add_argument(
'--gateway',
action='store_true',
help=_("Remove gateway IP from this subnet")
)
parser.add_argument(
'--dns-nameserver',
metavar='<dns-nameserver>',
action='append',
dest='dns_nameservers',
help=_('DNS server to be removed from this subnet '
'(repeat option to unset multiple DNS servers)')
)
parser.add_argument(
'--host-route',
metavar='destination=<subnet>,gateway=<ip-address>',
dest='host_routes',
action=parseractions.MultiKeyValueAction,
required_keys=['destination', 'gateway'],
help=_('Route to be removed from this subnet '
'e.g.: destination=10.10.0.0/16,gateway=192.168.71.254 '
'destination: destination subnet (in CIDR notation) '
'gateway: nexthop IP address '
'(repeat option to unset multiple host routes)')
)
parser.add_argument(
'--service-type',
metavar='<service-type>',
action='append',
dest='service_types',
help=_('Service type to be removed from this subnet '
'e.g.: network:floatingip_agent_gateway. '
'Must be a valid device owner value for a network port '
'(repeat option to unset multiple service types)')
)
_tag.add_tag_option_to_parser_for_unset(parser, _('subnet'))
parser.add_argument(
'subnet',
metavar="<subnet>",
help=_("Subnet to modify (name or ID)")
)
return parser
def take_action(self, parsed_args):
client = self.app.client_manager.network
obj = client.find_subnet(parsed_args.subnet, ignore_missing=False)
attrs = {}
if parsed_args.gateway:
attrs['gateway_ip'] = None
if parsed_args.dns_nameservers:
attrs['dns_nameservers'] = copy.deepcopy(obj.dns_nameservers)
_update_arguments(attrs['dns_nameservers'],
parsed_args.dns_nameservers,
'dns-nameserver')
if parsed_args.host_routes:
attrs['host_routes'] = copy.deepcopy(obj.host_routes)
_update_arguments(
attrs['host_routes'],
convert_entries_to_nexthop(parsed_args.host_routes),
'host-route')
if parsed_args.allocation_pools:
attrs['allocation_pools'] = copy.deepcopy(obj.allocation_pools)
_update_arguments(attrs['allocation_pools'],
parsed_args.allocation_pools,
'allocation-pool')
if parsed_args.service_types:
attrs['service_types'] = copy.deepcopy(obj.service_types)
_update_arguments(attrs['service_types'],
parsed_args.service_types,
'service-type')
attrs.update(
self._parse_extra_properties(parsed_args.extra_properties))
if attrs:
client.update_subnet(obj, **attrs)
# tags is a subresource and it needs to be updated separately.
_tag.update_tags_for_unset(client, obj, parsed_args)