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# Copyright 2017 GoDaddy
# Copyright 2019 Red Hat, Inc. 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.
#
"""L7policy action implementation"""
from cliff import lister
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 oslo_utils import uuidutils
from octaviaclient.osc.v2 import constants as const
from octaviaclient.osc.v2 import utils as v2_utils
from octaviaclient.osc.v2 import validate
ACTION_CHOICES = ['REDIRECT_TO_URL', 'REDIRECT_TO_POOL',
'REDIRECT_PREFIX', 'REJECT']
REDIRECT_CODE_CHOICES = [301, 302, 303, 307, 308]
class CreateL7Policy(command.ShowOne):
"""Create a l7policy"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'listener',
metavar='<listener>',
help="Listener to add l7policy to (name or ID)."
)
parser.add_argument(
'--name',
metavar='<name>',
help="Set the l7policy name."
)
parser.add_argument(
'--description',
metavar='<description>',
help="Set l7policy description."
)
parser.add_argument(
'--action',
metavar='{' + ','.join(ACTION_CHOICES) + '}',
required=True,
choices=ACTION_CHOICES,
type=lambda s: s.upper(), # case insensitive
help="Set the action of the policy."
)
redirect_group = parser.add_mutually_exclusive_group()
redirect_group.add_argument(
'--redirect-pool',
metavar='<pool>',
help="Set the pool to redirect requests to (name or ID)."
)
redirect_group.add_argument(
'--redirect-url',
metavar='<url>',
help="Set the URL to redirect requests to."
)
redirect_group.add_argument(
'--redirect-prefix',
metavar='<url>',
help="Set the URL Prefix to redirect requests to."
)
parser.add_argument(
'--redirect-http-code',
metavar='<redirect_http_code>',
choices=REDIRECT_CODE_CHOICES,
type=int,
help="Set the HTTP response code for REDIRECT_URL or "
"REDIRECT_PREFIX action."
)
parser.add_argument(
'--position',
metavar='<position>',
type=int,
help="Sequence number of this L7 Policy."
)
admin_group = parser.add_mutually_exclusive_group()
admin_group.add_argument(
'--enable',
action='store_true',
default=True,
help="Enable l7policy (default)."
)
admin_group.add_argument(
'--disable',
action='store_true',
default=None,
help="Disable l7policy."
)
parser.add_argument(
'--wait',
action='store_true',
help='Wait for action to complete.',
)
_tag.add_tag_option_to_parser_for_create(
parser, 'l7policy')
return parser
def take_action(self, parsed_args):
rows = const.L7POLICY_ROWS
attrs = v2_utils.get_l7policy_attrs(self.app.client_manager,
parsed_args)
validate.check_l7policy_attrs(attrs)
body = {"l7policy": attrs}
data = self.app.client_manager.load_balancer.l7policy_create(
json=body)
if parsed_args.wait:
listener = self.app.client_manager.load_balancer.listener_show(
data['l7policy']['listener_id'])
v2_utils.wait_for_active(
status_f=(self.app.client_manager.load_balancer.
load_balancer_show),
res_id=listener['loadbalancers'][0]['id']
)
data = {
'l7policy': (
self.app.client_manager.load_balancer.l7policy_show(
data['l7policy']['id']))
}
formatters = {'rules': v2_utils.ListColumn,
'tags': v2_utils.FlatListColumn}
return (rows, (utils.get_dict_properties(
data['l7policy'], rows, formatters=formatters)))
class DeleteL7Policy(command.Command):
"""Delete a l7policy"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'l7policy',
metavar="<policy>",
help="l7policy to delete (name or ID)."
)
parser.add_argument(
'--wait',
action='store_true',
help='Wait for action to complete.',
)
return parser
def take_action(self, parsed_args):
attrs = v2_utils.get_l7policy_attrs(self.app.client_manager,
parsed_args)
l7policy_id = attrs.pop('l7policy_id')
self.app.client_manager.load_balancer.l7policy_delete(
l7policy_id=l7policy_id)
if parsed_args.wait:
v2_utils.wait_for_delete(
status_f=(self.app.client_manager.load_balancer.
l7policy_show),
res_id=l7policy_id
)
class ListL7Policy(lister.Lister):
"""List l7policies"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'--listener',
help="List l7policies that applied to the given listener "
"(name or ID)."
)
_tag.add_tag_filtering_option_to_parser(parser, 'l7policy')
return parser
def take_action(self, parsed_args):
columns = const.L7POLICY_COLUMNS
attrs = v2_utils.get_l7policy_attrs(self.app.client_manager,
parsed_args)
data = self.app.client_manager.load_balancer.l7policy_list(**attrs)
formatters = {'rules': v2_utils.ListColumn}
return (columns,
(utils.get_dict_properties(
s, columns,
formatters=formatters) for s in data['l7policies']))
class ShowL7Policy(command.ShowOne):
"""Show the details of a single l7policy"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'l7policy',
metavar='<policy>',
help='Name or UUID of the l7policy.'
)
return parser
def take_action(self, parsed_args):
rows = const.L7POLICY_ROWS
data = None
if uuidutils.is_uuid_like(parsed_args.l7policy):
try:
data = self.app.client_manager.load_balancer.l7policy_show(
l7policy_id=parsed_args.l7policy)
except exceptions.NotFound:
pass
if data is None:
attrs = v2_utils.get_l7policy_attrs(self.app.client_manager,
parsed_args)
l7policy_id = attrs.pop('l7policy_id')
data = self.app.client_manager.load_balancer.l7policy_show(
l7policy_id=l7policy_id,
)
formatters = {'rules': v2_utils.ListColumn,
'tags': v2_utils.FlatListColumn}
return (rows, (utils.get_dict_properties(
data, rows, formatters=formatters)))
class SetL7Policy(command.Command):
"""Update a l7policy"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'l7policy',
metavar='<policy>',
help="L7policy to update (name or ID)."
)
parser.add_argument(
'--name',
metavar='<name>',
help="Set l7policy name."
)
parser.add_argument(
'--description',
metavar='<description>',
help="Set l7policy description."
)
parser.add_argument(
'--action',
metavar='{' + ','.join(ACTION_CHOICES) + '}',
choices=ACTION_CHOICES,
type=lambda s: s.upper(), # case insensitive
help="Set the action of the policy."
)
redirect_group = parser.add_mutually_exclusive_group()
redirect_group.add_argument(
'--redirect-pool',
metavar='<pool>',
help="Set the pool to redirect requests to (name or ID)."
)
redirect_group.add_argument(
'--redirect-url',
metavar='<url>',
help="Set the URL to redirect requests to."
)
redirect_group.add_argument(
'--redirect-prefix',
metavar='<url>',
help="Set the URL Prefix to redirect requests to."
)
parser.add_argument(
'--redirect-http-code',
metavar='<redirect_http_code>',
choices=REDIRECT_CODE_CHOICES,
type=int,
help="Set the HTTP response code for REDIRECT_URL or "
"REDIRECT_PREFIX action."
)
parser.add_argument(
'--position',
metavar='<position>',
type=int,
help="Set sequence number of this L7 Policy."
)
admin_group = parser.add_mutually_exclusive_group()
admin_group.add_argument(
'--enable',
action='store_true',
default=None,
help="Enable l7policy."
)
admin_group.add_argument(
'--disable',
action='store_true',
default=None,
help="Disable l7policy."
)
parser.add_argument(
'--wait',
action='store_true',
help='Wait for action to complete.',
)
_tag.add_tag_option_to_parser_for_set(parser, 'l7policy')
return parser
def take_action(self, parsed_args):
attrs = v2_utils.get_l7policy_attrs(self.app.client_manager,
parsed_args)
validate.check_l7policy_attrs(attrs)
l7policy_id = attrs.pop('l7policy_id')
v2_utils.set_tags_for_set(
self.app.client_manager.load_balancer.l7policy_show,
l7policy_id, attrs, clear_tags=parsed_args.no_tag)
body = {'l7policy': attrs}
self.app.client_manager.load_balancer.l7policy_set(
l7policy_id, json=body)
if parsed_args.wait:
v2_utils.wait_for_active(
status_f=(self.app.client_manager.load_balancer.
l7policy_show),
res_id=l7policy_id
)
class UnsetL7Policy(command.Command):
"""Clear l7policy settings"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'l7policy',
metavar='<policy>',
help="L7policy to update (name or ID)."
)
parser.add_argument(
'--description',
action='store_true',
help="Clear the l7policy description."
)
parser.add_argument(
'--name',
action='store_true',
help="Clear the l7policy name."
)
parser.add_argument(
'--redirect-http-code',
action='store_true',
help="Clear the l7policy redirect HTTP code."
)
parser.add_argument(
'--wait',
action='store_true',
help='Wait for action to complete.',
)
_tag.add_tag_option_to_parser_for_unset(parser, 'l7policy')
return parser
def take_action(self, parsed_args):
unset_args = v2_utils.get_unsets(parsed_args)
if not unset_args and not parsed_args.all_tag:
return
policy_id = v2_utils.get_resource_id(
self.app.client_manager.load_balancer.l7policy_list,
'l7policies', parsed_args.l7policy)
v2_utils.set_tags_for_unset(
self.app.client_manager.load_balancer.l7policy_show,
policy_id, unset_args, clear_tags=parsed_args.all_tag)
body = {'l7policy': unset_args}
self.app.client_manager.load_balancer.l7policy_set(
policy_id, json=body)
if parsed_args.wait:
v2_utils.wait_for_active(
status_f=(self.app.client_manager.load_balancer.
l7policy_show),
res_id=policy_id
)
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