379 lines
13 KiB
Python
379 lines
13 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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#
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# Models for helm_drydock
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#
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import logging
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from copy import deepcopy
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from helm_drydock.orchestrator.enum import SiteStatus
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from helm_drydock.orchestrator.enum import NodeStatus
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from helm_drydock.model.network import Network
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from helm_drydock.model.network import NetworkLink
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from helm_drydock.model import Utils
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class HostProfile(object):
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def __init__(self, **kwargs):
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self.log = logging.Logger('model')
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self.api_version = kwargs.get('apiVersion', '')
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if self.api_version == "v1.0":
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metadata = kwargs.get('metadata', {})
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spec = kwargs.get('spec', {})
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self.name = metadata.get('name', '')
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self.site = metadata.get('region', '')
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self.parent_profile = spec.get('host_profile', None)
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self.hardware_profile = spec.get('hardware_profile', None)
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oob = spec.get('oob', {})
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self.oob_type = oob.get('type', None)
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self.oob_network = oob.get('network', None)
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self.oob_account = oob.get('account', None)
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self.oob_credential = oob.get('credential', None)
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storage = spec.get('storage', {})
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self.storage_layout = storage.get('layout', 'lvm')
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bootdisk = storage.get('bootdisk', {})
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self.bootdisk_device = bootdisk.get('device', None)
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self.bootdisk_root_size = bootdisk.get('root_size', None)
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self.bootdisk_boot_size = bootdisk.get('boot_size', None)
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partitions = storage.get('partitions', [])
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self.partitions = []
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for p in partitions:
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self.partitions.append(HostPartition(self.api_version, **p))
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interfaces = spec.get('interfaces', [])
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self.interfaces = []
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for i in interfaces:
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self.interfaces.append(HostInterface(self.api_version, **i))
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node_metadata = spec.get('metadata', {})
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metadata_tags = node_metadata.get('tags', [])
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self.tags = []
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for t in metadata_tags:
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self.tags.append(t)
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owner_data = node_metadata.get('owner_data', {})
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self.owner_data = {}
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for k, v in owner_data.items():
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self.owner_data[k] = v
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self.rack = node_metadata.get('rack', None)
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else:
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self.log.error("Unknown API version %s of %s" %
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(self.api_version, self.__class__))
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raise ValueError('Unknown API version of object')
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def get_rack(self):
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return self.rack
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def get_name(self):
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return self.name
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def has_tag(self, tag):
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if tag in self.tags:
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return True
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return False
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def apply_inheritance(self, site):
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# We return a deep copy of the profile so as not to corrupt
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# the original model
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self_copy = deepcopy(self)
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if self.parent_profile is None:
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return self_copy
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parent = site.get_host_profile(self.parent_profile)
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if parent is None:
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raise NameError("Cannot find parent profile %s for %s"
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% (self.parent_profile, self.name))
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parent = parent.apply_inheritance(site)
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# First compute inheritance for simple fields
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inheritable_field_list = [
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"hardware_profile", "oob_type", "oob_network",
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"oob_credential", "oob_account", "storage_layout",
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"bootdisk_device", "bootdisk_root_size", "bootdisk_boot_size",
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"rack"]
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for f in inheritable_field_list:
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setattr(self_copy, f,
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Utils.apply_field_inheritance(getattr(self, f, None),
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getattr(parent, f, None)))
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# Now compute inheritance for complex types
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self_copy.tags = Utils.merge_lists(self.tags, parent.tags)
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self_copy.owner_data = Utils.merge_dicts(
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self.owner_data, parent.owner_data)
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self_copy.interfaces = HostInterface.merge_lists(
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self.interfaces, parent.interfaces)
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self_copy.partitions = HostPartition.merge_lists(
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self.partitions, parent.partitions)
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return self_copy
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class HostInterface(object):
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def __init__(self, api_version, **kwargs):
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self.log = logging.Logger('model')
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self.api_version = api_version
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if self.api_version == "v1.0":
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self.device_name = kwargs.get('device_name', None)
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self.network_link = kwargs.get('device_link', None)
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self.hardware_slaves = []
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slaves = kwargs.get('slaves', [])
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for s in slaves:
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self.hardware_slaves.append(s)
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self.networks = []
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networks = kwargs.get('networks', [])
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for n in networks:
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self.networks.append(n)
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else:
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self.log.error("Unknown API version %s of %s" %
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(self.api_version, self.__class__))
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raise ValueError('Unknown API version of object')
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# The device attribute may be hardware alias that translates to a
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# physical device address. If the device attribute does not match an
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# alias, we assume it directly identifies a OS device name. When the
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# apply_hardware_profile method is called on the parent Node of this
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# device, the selector will be decided and applied
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def add_selector(self, sel_type, address='', dev_type=''):
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if getattr(self, 'selectors', None) is None:
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self.selectors = []
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new_selector = {}
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new_selector['selector_type'] = sel_type
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new_selector['address'] = address
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new_selector['device_type'] = dev_type
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self.selectors.append(new_selector)
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def get_slave_selectors(self):
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return self.selectors
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# Return number of slaves for this interface
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def get_slave_count(self):
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return len(self.hardware_slaves)
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def apply_link_config(self, net_link):
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if (net_link is not None and
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isinstance(net_link, NetworkLink) and
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net_link.name == self.network_link):
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self.attached_link = deepcopy(net_link)
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return True
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return False
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def apply_network_config(self, network):
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if network in self.networks:
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if getattr(self, 'attached_networks', None) is None:
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self.attached_networks = []
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self.attached_networks.append(deepcopy(network))
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return True
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else:
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return False
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def set_network_address(self, network_name, address):
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if getattr(self, 'attached_networks', None) is None:
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return False
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for n in self.attached_neteworks:
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if n.name == network_name:
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n.assigned_address = address
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def get_network_configs(self):
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return self.attached_networks
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"""
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Merge two lists of HostInterface models with child_list taking
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priority when conflicts. If a member of child_list has a device_name
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beginning with '!' it indicates that HostInterface should be
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removed from the merged list
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"""
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@staticmethod
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def merge_lists(child_list, parent_list):
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if len(child_list) == 0:
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return deepcopy(parent_list)
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effective_list = []
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if len(parent_list) == 0:
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for i in child_list:
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if i.device_name.startswith('!'):
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continue
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else:
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effective_list.append(deepcopy(i))
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return effective_list
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parent_interfaces = []
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for i in parent_list:
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parent_name = i.device_name
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parent_interfaces.append(parent_name)
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add = True
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for j in child_list:
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if j.device_name == ("!" + parent_name):
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add = False
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break
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elif j.device_name == parent_name:
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m = HostInterface(j.api_version)
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m.device_name = j.device_name
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m.network_link = \
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Utils.apply_field_inheritance(j.network_link,
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i.network_link)
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s = filter(lambda x: ("!" + x) not in j.hardware_slaves,
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i.hardware_slaves)
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s = list(s)
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s.extend(filter(lambda x: not x.startswith("!"),
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j.hardware_slaves))
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m.hardware_slaves = s
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n = filter(lambda x: ("!" + x) not in j.networks,
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i.networks)
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n = list(n)
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n.extend(filter(lambda x: not x.startswith("!"),
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j.networks))
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m.networks = n
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effective_list.append(m)
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add = False
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break
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if add:
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effective_list.append(deepcopy(i))
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for j in child_list:
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if (j.device_name not in parent_interfaces
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and not j.device_name.startswith("!")):
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effective_list.append(deepcopy(j))
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return effective_list
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class HostPartition(object):
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def __init__(self, api_version, **kwargs):
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self.api_version = api_version
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if self.api_version == "v1.0":
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self.name = kwargs.get('name', None)
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self.device = kwargs.get('device', None)
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self.part_uuid = kwargs.get('part_uuid', None)
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self.size = kwargs.get('size', None)
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self.mountpoint = kwargs.get('mountpoint', None)
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self.fstype = kwargs.get('fstype', 'ext4')
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self.mount_options = kwargs.get('mount_options', 'defaults')
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self.fs_uuid = kwargs.get('fs_uuid', None)
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self.fs_label = kwargs.get('fs_label', None)
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else:
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raise ValueError('Unknown API version of object')
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# The device attribute may be hardware alias that translates to a
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# physical device address. If the device attribute does not match an
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# alias, we assume it directly identifies a OS device name. When the
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# apply_hardware_profile method is called on the parent Node of this
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# device, the selector will be decided and applied
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def set_selector(self, sel_type, address='', dev_type=''):
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selector = {}
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selector['type'] = sel_type
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selector['address'] = address
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selector['device_type'] = dev_type
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self.selector = selector
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def get_selector(self):
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return self.selector
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"""
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Merge two lists of HostPartition models with child_list taking
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priority when conflicts. If a member of child_list has a name
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beginning with '!' it indicates that HostPartition should be
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removed from the merged list
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"""
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@staticmethod
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def merge_lists(child_list, parent_list):
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if len(child_list) == 0:
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return deepcopy(parent_list)
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effective_list = []
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if len(parent_list) == 0:
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for i in child_list:
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if i.name.startswith('!'):
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continue
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else:
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effective_list.append(deepcopy(i))
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inherit_field_list = ["device", "part_uuid", "size",
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"mountpoint", "fstype", "mount_options",
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"fs_uuid", "fs_label"]
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parent_partitions = []
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for i in parent_list:
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parent_name = i.name
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parent_partitions.append(parent_name)
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add = True
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for j in child_list:
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if j.name == ("!" + parent_name):
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add = False
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break
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elif j.name == parent_name:
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p = HostPartition(j.api_version)
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p.name = j.name
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for f in inherit_field_list:
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setattr(p, Utils.apply_field_inheritance(getattr(j, f),
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getattr(i, f))
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)
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add = False
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effective_list.append(p)
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if add:
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effective_list.append(deepcopy(i))
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for j in child_list:
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if j.name not in parent_list:
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effective_list.append(deepcopy(j))
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return effective_list
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