103 lines
4.5 KiB
Python
103 lines
4.5 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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#
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# 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 drydock_provisioner.orchestrator.validations.validators import Validators
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from netaddr import IPNetwork, IPAddress
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class IpLocalityCheck(Validators):
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def __init__(self):
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super().__init__('IP Locality Check', "DD2002")
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def run_validation(self, site_design, orchestrator=None):
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"""
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Ensures that each IP addresses assigned to a baremetal node is within the defined CIDR for the network. Also
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verifies that the gateway IP for each static route of a network is within that network's CIDR.
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"""
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network_dict = {} # Dictionary Format - network name: cidr
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baremetal_nodes_list = site_design.baremetal_nodes or []
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network_list = site_design.networks or []
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if not network_list:
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msg = 'No networks found.'
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self.report_warn(
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msg, [],
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'Site design likely incomplete without defined networks')
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else:
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for net in network_list:
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name = net.name
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cidr = net.cidr
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routes = net.routes or []
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cidr_range = IPNetwork(cidr)
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network_dict[name] = cidr_range
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if routes:
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for r in routes:
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gateway = r.get('gateway')
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if not gateway:
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msg = 'No gateway found for route %s.' % routes
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self.report_error(
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msg, [net.doc_ref],
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diagnostic=
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"Define a network-local gateway for the route."
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)
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else:
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ip = IPAddress(gateway)
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if ip not in cidr_range:
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msg = (
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'The gateway IP Address %s is not within the defined CIDR: %s of %s.'
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% (gateway, cidr, name))
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self.report_error(
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msg, [net.doc_ref],
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"Route gateways must reside on the local network. Check "
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"gateway IP and CIDR netmask.")
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if not baremetal_nodes_list:
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msg = 'No baremetal_nodes found.'
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self.report_warn(
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msg, [],
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"site design likely incomplete without defined networks.")
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else:
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for node in baremetal_nodes_list:
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addressing_list = node.addressing or []
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for ip_address in addressing_list:
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ip_address_network_name = ip_address.network
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address = ip_address.address
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ip_type = ip_address.type
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if ip_type != 'dhcp':
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if ip_address_network_name not in network_dict:
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msg = '%s is not a valid network.' \
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% (ip_address_network_name)
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self.report_error(
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msg, [node.doc_ref],
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"Define network or correct address definition."
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)
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else:
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if IPAddress(address) not in IPNetwork(
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network_dict[ip_address_network_name]):
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msg = (
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'The IP Address %s is not within the defined CIDR: %s of %s .'
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% (address,
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network_dict[ip_address_network_name],
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ip_address_network_name))
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self.report_error(
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msg, [node.doc_ref],
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"Define a valid address for this network.")
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return
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