616 lines
27 KiB
Python
616 lines
27 KiB
Python
# Copyright 2017 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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"""Business Logic Validation"""
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import drydock_provisioner.objects.fields as hd_fields
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import drydock_provisioner.error as errors
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from netaddr import IPNetwork, IPAddress
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from drydock_provisioner.orchestrator.util import SimpleBytes
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from drydock_provisioner.objects.task import TaskStatus, TaskStatusMessage
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class Validator():
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def validate_design(self, site_design, result_status=None):
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"""Validate the design in site_design passes all validation rules.
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Apply all validation rules to the design in site_design. If result_status is
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defined, update it with validation messages. Otherwise a new status instance
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will be created and returned.
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:param site_design: instance of objects.SiteDesign
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:param result_status: instance of objects.TaskStatus
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"""
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if result_status is None:
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result_status = TaskStatus()
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validation_error = False
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for rule in rule_set:
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output = rule(site_design)
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result_status.message_list.extend(output)
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error_msg = [m for m in output if m.error]
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result_status.error_count = result_status.error_count + len(
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error_msg)
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if len(error_msg) > 0:
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validation_error = True
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if validation_error:
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result_status.set_status(hd_fields.ValidationResult.Failure)
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else:
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result_status.set_status(hd_fields.ValidationResult.Success)
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return result_status
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@classmethod
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def rational_network_bond(cls, site_design):
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"""
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Ensures that NetworkLink 'bonding' is rational
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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network_links = site_design.get('network_links', [])
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for network_link in network_links:
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bonding_mode = network_link.get('bonding_mode', [])
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if bonding_mode == 'disabled':
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# check to make sure nothing else is specified
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if any([
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network_link.get(x)
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for x in [
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'bonding_peer_rate', 'bonding_xmit_hash',
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'bonding_mon_rate', 'bonding_up_delay',
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'bonding_down_delay'
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]
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]):
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msg = (
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'Network Link Bonding Error: If bonding mode is disabled no other bond option can be'
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'specified; on BaremetalNode %s' %
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network_link.get('name'))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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elif bonding_mode == '802.3ad':
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# check if up_delay and down_delay are >= mon_rate
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mon_rate = network_link.get('bonding_mon_rate')
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if network_link.get('bonding_up_delay') < mon_rate:
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msg = ('Network Link Bonding Error: Up delay is less '
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'than mon rate on BaremetalNode %s' %
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(network_link.get('name')))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if network_link.get('bonding_down_delay') < mon_rate:
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msg = ('Network Link Bonding Error: Down delay is '
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'less than mon rate on BaremetalNode %s' %
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(network_link.get('name')))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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elif bonding_mode in ['active-backup', 'balanced-rr']:
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# make sure hash and peer_rate are NOT defined
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if network_link.get('bonding_xmit_hash'):
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msg = (
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'Network Link Bonding Error: Hash cannot be defined if bond mode is '
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'%s, on BaremetalNode %s' % (bonding_mode,
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network_link.get('name')))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if network_link.get('bonding_peer_rate'):
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msg = (
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'Network Link Bonding Error: Peer rate cannot be defined if bond mode is '
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'%s, on BaremetalNode %s' % (bonding_mode,
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network_link.get('name')))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(
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TaskStatusMessage(
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msg='Network Link Bonding',
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error=False,
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ctx_type='NA',
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ctx='NA'))
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return message_list
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@classmethod
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def network_trunking_rational(cls, site_design):
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"""
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Ensures that Network Trunking is Rational
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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network_link_list = site_design.get('network_links', [])
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for network_link in network_link_list:
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allowed_networks = network_link.get('allowed_networks', [])
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# if allowed networks > 1 trunking must be enabled
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if (len(allowed_networks) > 1 and network_link.get('trunk_mode') ==
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hd_fields.NetworkLinkTrunkingMode.Disabled):
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msg = (
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'Rational Network Trunking Error: If there is more than 1 allowed network,'
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'trunking mode must be enabled; on NetworkLink %s' %
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network_link.get('name'))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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# trunking mode is disabled, default_network must be defined
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if (network_link.get(
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'trunk_mode') == hd_fields.NetworkLinkTrunkingMode.Disabled
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and network_link.get('native_network') is None):
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msg = (
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'Rational Network Trunking Error: Trunking mode is disabled, a trunking'
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'default_network must be defined; on NetworkLink %s' %
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network_link.get('name'))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(
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TaskStatusMessage(
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msg='Rational Network Trunking',
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error=False,
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ctx_type='NA',
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ctx='NA'))
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return message_list
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@classmethod
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def storage_partitioning(cls, site_design):
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"""
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Checks storage partitioning
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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baremetal_nodes = site_design.get('baremetal_nodes', [])
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volume_group_check_list = []
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for baremetal_node in baremetal_nodes:
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storage_devices_list = baremetal_node.get('storage_devices', [])
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for storage_device in storage_devices_list:
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partitions_list = storage_device.get('partitions')
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volume_group = storage_device.get('volume_group')
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# error if both or neither is defined
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if all([partitions_list, volume_group
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]) or not any([partitions_list, volume_group]):
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msg = ('Storage Partitioning Error: Either a volume group '
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'OR partitions must be defined for each storage '
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'device; on BaremetalNode '
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'%s' % baremetal_node.get('name'))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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# if there is a volume group add to list
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if volume_group is not None:
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volume_group_check_list.append(volume_group)
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if partitions_list is not None:
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for partition in partitions_list:
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partition_volume_group = partition.get('volume_group')
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fstype = partition.get('fstype')
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# error if both are defined
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if all([fstype, partition_volume_group]):
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msg = ('Storage Partitioning Error: Both a volume group AND file system cannot be '
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'defined in a sigle partition; on BaremetalNode %s' % baremetal_node.get('name'))
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message_list.append(
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TaskStatusMessage(
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msg=msg,
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error=True,
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ctx_type='NA',
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ctx='NA'))
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# if there is a volume group add to list
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if partition_volume_group is not None:
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volume_group_check_list.append(volume_group)
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# checks all volume groups are assigned to a partition or storage device
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# if one exist that wasn't found earlier it is unassigned
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all_volume_groups = baremetal_node.get('volume_groups', [])
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for volume_group in all_volume_groups:
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if volume_group.get('name') not in volume_group_check_list:
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msg = ('Storage Partitioning Error: A volume group must be assigned to a storage device or '
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'partition; volume group %s on BaremetalNode %s' %
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(volume_group.get('name'), baremetal_node.get('name')))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(
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TaskStatusMessage(
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msg='Storage Partitioning',
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error=False,
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ctx_type='NA',
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ctx='NA'))
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return message_list
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@classmethod
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def unique_network_check(cls, site_design):
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"""
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Ensures that each network name appears at most once between all NetworkLink
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allowed networks
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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network_link_list = site_design.get('network_links', [])
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compare = {}
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for network_link in network_link_list:
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allowed_network_list = network_link.get('allowed_networks', [])
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compare[network_link.get('name')] = allowed_network_list
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# This checks the allowed networks for each network link aginst
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# the other allowed networks
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checked_pairs = []
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for network_link_name in compare:
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allowed_network_list_1 = compare[network_link_name]
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for network_link_name_2 in compare:
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if (network_link_name is not network_link_name_2
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and sorted([network_link_name, network_link_name_2
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]) not in checked_pairs):
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checked_pairs.append(
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sorted([network_link_name, network_link_name_2]))
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allowed_network_list_2 = compare[network_link_name_2]
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# creates a list of duplicated allowed networks
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duplicated_names = [
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i for i in allowed_network_list_1
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if i in allowed_network_list_2
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]
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for name in duplicated_names:
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msg = ('Unique Network Error: Allowed network %s duplicated on NetworkLink %s and NetworkLink '
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'%s' % (name, network_link_name, network_link_name_2))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(
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TaskStatusMessage(
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msg='Unique Network', error=False, ctx_type='NA',
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ctx='NA'))
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return message_list
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@classmethod
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def mtu_rational(cls, site_design):
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"""
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Ensure that the MTU for each network is equal or less than the MTU defined
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for the parent NetworkLink for that network.
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Ensure that each defined MTU is a rational size, say > 1400 and < 64000
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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network_links = site_design.get('network_links', [])
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networks = site_design.get('networks', [])
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parent_mtu_check = {}
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for network_link in network_links:
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mtu = network_link.get('mtu')
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# check mtu > 1400 and < 64000
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if mtu and (mtu < 1400 or mtu > 64000):
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msg = 'Mtu Error: Mtu must be between 1400 and 64000; on Network Link %s.' % network_link.get('name')
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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# add assigned network to dict with parent mtu
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assigned_network = network_link.get('native_network')
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parent_mtu_check[assigned_network] = mtu
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for network in networks:
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network_mtu = network.get('mtu')
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# check mtu > 1400 and < 64000
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if network_mtu and (network_mtu < 1400 or network_mtu > 64000):
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msg = 'Mtu Error: Mtu must be between 1400 and 64000; on Network %s.' % network.get('name')
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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name = network.get('name')
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parent_mtu = parent_mtu_check.get(name)
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if network_mtu and parent_mtu:
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# check to make sure mtu for network is <= parent network link
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if network_mtu > parent_mtu:
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msg = 'Mtu Error: Mtu must be <= the parent Network Link; for Network %s' % (network.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(TaskStatusMessage(msg='Mtu', error=False, ctx_type='NA', ctx='NA'))
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return message_list
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@classmethod
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def storage_sizing(cls, site_design):
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"""
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Ensures that for a partitioned physical device or logical volumes
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in a volume group, if sizing is a percentage then those percentages
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do not sum > 99% and have no negitive values
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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baremetal_nodes = site_design.get('baremetal_nodes', [])
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for baremetal_node in baremetal_nodes:
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storage_device_list = baremetal_node.get('storage_devices', [])
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for storage_device in storage_device_list:
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partition_list = storage_device.get('partitions', [])
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partition_sum = 0
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for partition in partition_list:
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size = partition.get('size')
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percent = size.split('%')
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if len(percent) == 2:
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if int(percent[0]) < 0:
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msg = ('Storage Sizing Error: Storage partition size is < 0 '
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'on Baremetal Node %s' % baremetal_node.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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partition_sum += int(percent[0])
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if partition_sum > 99:
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msg = ('Storage Sizing Error: Storage partition size is greater than '
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'99 on Baremetal Node %s' % baremetal_node.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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volume_groups = baremetal_node.get('volume_groups', [])
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volume_sum = 0
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for volume_group in volume_groups:
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logical_volume_list = volume_group.get('logical_volumes', [])
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for logical_volume in logical_volume_list:
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size = logical_volume.get('size')
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percent = size.split('%')
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if len(percent) == 2:
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if int(percent[0]) < 0:
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msg = ('Storage Sizing Error: Storage volume size is < 0 '
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'on Baremetal Node %s' % baremetal_node.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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volume_sum += int(percent[0])
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if volume_sum > 99:
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msg = ('Storage Sizing Error: Storage volume size is greater '
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'than 99 on Baremetal Node %s.' % baremetal_node.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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if not message_list:
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message_list.append(TaskStatusMessage(msg='Storage Sizing', error=False, ctx_type='NA', ctx='NA'))
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return message_list
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@classmethod
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def no_duplicate_IPs_check(cls, site_design):
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"""
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Ensures that the same IP is not assigned to multiple baremetal nodes.
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"""
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found_ips = {} # Dictionary Format - IP address: BaremetalNode name
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message_list = []
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site_design = site_design.obj_to_simple()
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baremetal_nodes_list = site_design.get('baremetal_nodes', [])
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if not baremetal_nodes_list:
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msg = 'No BaremetalNodes Found.'
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=False, ctx_type='NA', ctx='NA'))
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else:
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for node in baremetal_nodes_list:
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addressing_list = node.get('addressing', [])
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for ip_address in addressing_list:
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address = ip_address.get('address')
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node_name = node.get('name')
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if address in found_ips and address is not None:
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msg = ('Error! Duplicate IP Address Found: %s '
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'is in use by both %s and %s.'
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% (address, found_ips[address], node_name))
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=True, ctx_type='NA', ctx='NA'))
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elif address is not None:
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found_ips[address] = node_name
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if not message_list:
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msg = 'No Duplicate IP Addresses.'
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message_list.append(
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TaskStatusMessage(
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msg=msg, error=False, ctx_type='NA', ctx='NA'))
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return message_list
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@classmethod
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def boot_storage_rational(cls, site_design):
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"""
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Ensures that root volume is defined and is at least 20GB and that boot volume is at least 1 GB
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"""
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message_list = []
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site_design = site_design.obj_to_simple()
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BYTES_IN_GB = SimpleBytes.calulate_bytes('1GB')
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baremetal_node_list = site_design.get('baremetal_nodes', [])
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for baremetal_node in baremetal_node_list:
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storage_devices_list = baremetal_node.get('storage_devices', [])
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root_set = False
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for storage_device in storage_devices_list:
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partitions_list = storage_device.get('partitions', [])
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for host_partition in partitions_list:
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if host_partition.get('name') == 'root':
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size = host_partition.get('size')
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try:
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cal_size = SimpleBytes.calulate_bytes(size)
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root_set = True
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# check if size < 20GB
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if cal_size < 20 * BYTES_IN_GB:
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msg = ('Boot Storage Error: Root volume must be > 20GB on BaremetalNode '
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'%s' % baremetal_node.get('name'))
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message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
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except errors.InvalidSizeFormat as e:
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msg = ('Boot Storage Error: Root volume has an invalid size format on BaremetalNode'
|
|
'%s.' % baremetal_node.get('name'))
|
|
message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
|
|
# check make sure root has been defined and boot volume > 1GB
|
|
if root_set and host_partition.get('name') == 'boot':
|
|
size = host_partition.get('size')
|
|
|
|
try:
|
|
cal_size = SimpleBytes.calulate_bytes(size)
|
|
# check if size < 1GB
|
|
if cal_size < BYTES_IN_GB:
|
|
msg = ('Boot Storage Error: Boot volume must be > 1GB on BaremetalNode '
|
|
'%s' % baremetal_node.get('name'))
|
|
message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
except errors.InvalidSizeFormat as e:
|
|
msg = ('Boot Storage Error: Boot volume has an invalid size format on BaremetalNode '
|
|
'%s.' % baremetal_node.get('name'))
|
|
message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
|
|
# This must be set
|
|
if not root_set:
|
|
msg = ('Boot Storage Error: Root volume has to be set and must be > 20GB on BaremetalNode '
|
|
'%s' % baremetal_node.get('name'))
|
|
message_list.append(TaskStatusMessage(msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
|
|
if not message_list:
|
|
message_list.append(TaskStatusMessage(msg='Boot Storage', error=False, ctx_type='NA', ctx='NA'))
|
|
return message_list
|
|
|
|
@classmethod
|
|
def ip_locality_check(cls, site_design):
|
|
"""
|
|
Ensures that IP addresses are within defined CIDR ranges.
|
|
"""
|
|
network_dict = {} # Dictionary Format - network name: cidr
|
|
message_list = []
|
|
|
|
site_design = site_design.obj_to_simple()
|
|
baremetal_nodes_list = site_design.get('baremetal_nodes', [])
|
|
network_list = site_design.get('networks', [])
|
|
|
|
if not network_list:
|
|
msg = 'No networks found.'
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=False, ctx_type='NA', ctx='NA'))
|
|
else:
|
|
for net in network_list:
|
|
name = net.get('name')
|
|
cidr = net.get('cidr')
|
|
routes = net.get('routes', [])
|
|
|
|
cidr_range = IPNetwork(cidr)
|
|
network_dict[name] = cidr_range
|
|
|
|
if routes:
|
|
for r in routes:
|
|
gateway = r.get('gateway')
|
|
|
|
if not gateway:
|
|
msg = 'No gateway found for route %s.' % routes
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
else:
|
|
ip = IPAddress(gateway)
|
|
if ip not in cidr_range:
|
|
msg = ('IP Locality Error: The gateway IP Address %s '
|
|
'is not within the defined CIDR: %s of %s.'
|
|
% (gateway, cidr, name))
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
if not baremetal_nodes_list:
|
|
msg = 'No baremetal_nodes found.'
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=False, ctx_type='NA', ctx='NA'))
|
|
else:
|
|
for node in baremetal_nodes_list:
|
|
addressing_list = node.get('addressing', [])
|
|
|
|
for ip_address in addressing_list:
|
|
ip_address_network_name = ip_address.get('network')
|
|
address = ip_address.get('address')
|
|
ip_type = ip_address.get('type')
|
|
|
|
if ip_type is not 'dhcp':
|
|
if ip_address_network_name not in network_dict:
|
|
msg = 'IP Locality Error: %s is not a valid network.' \
|
|
% (ip_address_network_name)
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
else:
|
|
if IPAddress(address) not in IPNetwork(network_dict[ip_address_network_name]):
|
|
msg = ('IP Locality Error: The IP Address %s '
|
|
'is not within the defined CIDR: %s of %s .'
|
|
% (address, network_dict[ip_address_network_name],
|
|
ip_address_network_name))
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=True, ctx_type='NA', ctx='NA'))
|
|
if not message_list:
|
|
msg = 'IP Locality Success'
|
|
message_list.append(
|
|
TaskStatusMessage(
|
|
msg=msg, error=False, ctx_type='NA', ctx='NA'))
|
|
return message_list
|
|
|
|
|
|
rule_set = [
|
|
Validator.rational_network_bond,
|
|
Validator.network_trunking_rational,
|
|
Validator.storage_partitioning,
|
|
Validator.unique_network_check,
|
|
Validator.mtu_rational,
|
|
Validator.storage_sizing,
|
|
Validator.ip_locality_check,
|
|
Validator.no_duplicate_IPs_check,
|
|
Validator.boot_storage_rational,
|
|
]
|