216 lines
9.3 KiB
Python
216 lines
9.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from rally.task import context
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from rally.common import logging
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from rally.common import utils
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from rally import consts
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from rally_openstack.common import osclients
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from rally_openstack.common.wrappers import network as network_wrapper
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import subprocess
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LOG = logging.getLogger(__name__)
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@context.configure(name="create_external_networks", order=1000)
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class CreateExternalNetworksContext(context.Context):
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"""This plugin creates external networks with specified option."""
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CONFIG_SCHEMA = {
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"type": "object",
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"$schema": consts.JSON_SCHEMA,
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"additionalProperties": False,
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"properties": {
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"cidr_prefix": {
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"type": "string",
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},
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"num_external_networks": {
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"type": "integer",
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"minimum": 0
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},
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"interface_name": {
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"type": "string"
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},
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"provider_phys_net": {
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"type": "string"
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}
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}
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}
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def _create_subnet(self, tenant_id, network_id, network_number):
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"""Create subnet for external network
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:param tenant_id: ID of tenant
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:param network_id: ID of external network
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:param network_number: int, number for CIDR of subnet
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:returns: subnet object
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"""
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subnet_args = {
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"subnet": {
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"tenant_id": tenant_id,
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"network_id": network_id,
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"name": self.net_wrapper.owner.generate_random_name(),
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"ip_version": 4,
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"cidr": "{}.{}.0/23".format(self.cidr_prefix, network_number),
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"enable_dhcp": False,
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"gateway_ip": "{}.{}.1".format(self.cidr_prefix, network_number),
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"allocation_pools": [{"start": "{}.{}.2".format(self.cidr_prefix, network_number),
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"end": "{}.{}.254".format(
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self.cidr_prefix, network_number+1)}]
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}
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}
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return self.net_wrapper.client.create_subnet(subnet_args)["subnet"]
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def setup(self):
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"""This method is called before the task starts."""
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self.net_wrapper = network_wrapper.wrap(
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osclients.Clients(self.context["admin"]["credential"]),
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self,
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config=self.config,
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)
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self.context["external_networks"] = []
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self.context["external_subnets"] = {}
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self.num_external_networks = self.config.get("num_external_networks", 16)
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self.interface_name = self.config.get("interface_name", "ens7f1")
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self.cidr_prefix = self.config.get("cidr_prefix", "172.31")
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num_external_networks_created = 0
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while num_external_networks_created < self.num_external_networks:
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has_error_occured = False
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for user, tenant_id in utils.iterate_per_tenants(
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self.context.get("users", [])
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):
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cmd = ["sudo", "ip", "link", "add", "link", self.interface_name, "name",
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"{}.{}".format(self.interface_name, num_external_networks_created + 1),
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"type", "vlan", "id", str(num_external_networks_created + 1)]
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proc = subprocess.Popen(cmd)
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proc.wait()
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if proc.returncode == 0:
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LOG.debug("Creating vlan {} on interface {} was successful".format(
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num_external_networks_created + 1, self.interface_name))
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else:
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LOG.exception("Creating vlan {} on interface {} failed".format(
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num_external_networks_created + 1, self.interface_name))
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has_error_occured = True
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break
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cmd = ["sudo", "ip", "link", "set", "dev",
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"{}.{}".format(self.interface_name, num_external_networks_created + 1),
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"up"]
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proc = subprocess.Popen(cmd)
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proc.wait()
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if proc.returncode == 0:
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LOG.debug("Setting vlan {} up on interface {} was successful".format(
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num_external_networks_created + 1, self.interface_name))
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else:
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LOG.exception("Setting vlan {} up on interface {} failed".format(
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num_external_networks_created + 1, self.interface_name))
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has_error_occured = True
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break
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cmd = ["sudo", "ip", "a", "a", "{}.{}.1/23".format(
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self.cidr_prefix, num_external_networks_created*2), "dev",
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"{}.{}".format(self.interface_name, num_external_networks_created + 1)]
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proc = subprocess.Popen(cmd)
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proc.wait()
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if proc.returncode == 0:
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LOG.debug("Adding IP range to interface {} was successful".format(
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self.interface_name))
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else:
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LOG.exception("Adding IP range to interface {} failed".format(
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self.interface_name))
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has_error_occured = True
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break
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try:
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kwargs = {
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"network_create_args": {
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"provider:network_type": "vlan",
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"provider:physical_network": self.config.get("provider_phys_net",
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"datacentre"),
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"provider:segmentation_id": num_external_networks_created + 1,
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"router:external": True
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}
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}
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self.context["external_networks"].append(
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self.net_wrapper.create_network(tenant_id, **kwargs)
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)
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LOG.debug(
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"External network with id '%s' created as part of context"
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% self.context["external_networks"][-1]["id"]
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)
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num_external_networks_created += 1
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except Exception as e:
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msg = "Can't create external network {} as part of context: {}".format(
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num_external_networks_created, e
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)
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LOG.exception(msg)
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has_error_occured = True
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break
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try:
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subnet = self._create_subnet(tenant_id,
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self.context["external_networks"][-1]["id"],
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(num_external_networks_created - 1) * 2)
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self.context["external_subnets"][
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self.context["external_networks"][-1]["id"]] = subnet
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LOG.debug(
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"External subnet with id '%s' created as part of context"
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% subnet["id"]
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)
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except Exception as e:
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msg = "Can't create external subnet {} as part of context: {}".format(
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num_external_networks_created, e
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)
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LOG.exception(msg)
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has_error_occured = True
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break
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if has_error_occured:
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break
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def cleanup(self):
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"""This method is called after the task finishes."""
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for i in range(self.num_external_networks):
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try:
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external_net = self.context["external_networks"][i]
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external_net_id = external_net["id"]
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external_subnet = self.context["external_subnets"][external_net_id]
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external_subnet_id = external_subnet["id"]
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self.net_wrapper._delete_subnet(external_subnet_id)
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LOG.debug(
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"External subnet with id '%s' deleted from context"
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% external_subnet_id
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)
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self.net_wrapper.delete_network(external_net)
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LOG.debug(
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"External network with id '%s' deleted from context"
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% external_net_id
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)
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except Exception as e:
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msg = "Can't delete external network {} from context: {}".format(
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external_net_id, e
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)
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LOG.warning(msg)
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cmd = ["sudo", "ip", "link", "delete", "{}.{}".format(self.interface_name, i + 1)]
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proc = subprocess.Popen(cmd)
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proc.wait()
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if proc.returncode == 0:
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LOG.debug("Deleting vlan {}.{} was successful".format(
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self.interface_name, i + 1))
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else:
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LOG.exception("Deleting vlan {}.{} failed".format(
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self.interface_name, i + 1))
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