drydock/helm_drydock/model/hostprofile.py

379 lines
13 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other 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.
#
# Models for helm_drydock
#
import logging
from copy import deepcopy
from helm_drydock.orchestrator.enum import SiteStatus
from helm_drydock.orchestrator.enum import NodeStatus
from helm_drydock.model.network import Network
from helm_drydock.model.network import NetworkLink
from helm_drydock.model import Utils
class HostProfile(object):
def __init__(self, **kwargs):
self.log = logging.Logger('model')
self.api_version = kwargs.get('apiVersion', '')
if self.api_version == "v1.0":
metadata = kwargs.get('metadata', {})
spec = kwargs.get('spec', {})
self.name = metadata.get('name', '')
self.site = metadata.get('region', '')
self.parent_profile = spec.get('host_profile', None)
self.hardware_profile = spec.get('hardware_profile', None)
oob = spec.get('oob', {})
self.oob_type = oob.get('type', None)
self.oob_network = oob.get('network', None)
self.oob_account = oob.get('account', None)
self.oob_credential = oob.get('credential', None)
storage = spec.get('storage', {})
self.storage_layout = storage.get('layout', 'lvm')
bootdisk = storage.get('bootdisk', {})
self.bootdisk_device = bootdisk.get('device', None)
self.bootdisk_root_size = bootdisk.get('root_size', None)
self.bootdisk_boot_size = bootdisk.get('boot_size', None)
partitions = storage.get('partitions', [])
self.partitions = []
for p in partitions:
self.partitions.append(HostPartition(self.api_version, **p))
interfaces = spec.get('interfaces', [])
self.interfaces = []
for i in interfaces:
self.interfaces.append(HostInterface(self.api_version, **i))
node_metadata = spec.get('metadata', {})
metadata_tags = node_metadata.get('tags', [])
self.tags = []
for t in metadata_tags:
self.tags.append(t)
owner_data = node_metadata.get('owner_data', {})
self.owner_data = {}
for k, v in owner_data.items():
self.owner_data[k] = v
self.rack = node_metadata.get('rack', None)
else:
self.log.error("Unknown API version %s of %s" %
(self.api_version, self.__class__))
raise ValueError('Unknown API version of object')
def get_rack(self):
return self.rack
def get_name(self):
return self.name
def has_tag(self, tag):
if tag in self.tags:
return True
return False
def apply_inheritance(self, site):
# We return a deep copy of the profile so as not to corrupt
# the original model
self_copy = deepcopy(self)
if self.parent_profile is None:
return self_copy
parent = site.get_host_profile(self.parent_profile)
if parent is None:
raise NameError("Cannot find parent profile %s for %s"
% (self.parent_profile, self.name))
parent = parent.apply_inheritance(site)
# First compute inheritance for simple fields
inheritable_field_list = [
"hardware_profile", "oob_type", "oob_network",
"oob_credential", "oob_account", "storage_layout",
"bootdisk_device", "bootdisk_root_size", "bootdisk_boot_size",
"rack"]
for f in inheritable_field_list:
setattr(self_copy, f,
Utils.apply_field_inheritance(getattr(self, f, None),
getattr(parent, f, None)))
# Now compute inheritance for complex types
self_copy.tags = Utils.merge_lists(self.tags, parent.tags)
self_copy.owner_data = Utils.merge_dicts(
self.owner_data, parent.owner_data)
self_copy.interfaces = HostInterface.merge_lists(
self.interfaces, parent.interfaces)
self_copy.partitions = HostPartition.merge_lists(
self.partitions, parent.partitions)
return self_copy
class HostInterface(object):
def __init__(self, api_version, **kwargs):
self.log = logging.Logger('model')
self.api_version = api_version
if self.api_version == "v1.0":
self.device_name = kwargs.get('device_name', None)
self.network_link = kwargs.get('device_link', None)
self.hardware_slaves = []
slaves = kwargs.get('slaves', [])
for s in slaves:
self.hardware_slaves.append(s)
self.networks = []
networks = kwargs.get('networks', [])
for n in networks:
self.networks.append(n)
else:
self.log.error("Unknown API version %s of %s" %
(self.api_version, self.__class__))
raise ValueError('Unknown API version of object')
# The device attribute may be hardware alias that translates to a
# physical device address. If the device attribute does not match an
# alias, we assume it directly identifies a OS device name. When the
# apply_hardware_profile method is called on the parent Node of this
# device, the selector will be decided and applied
def add_selector(self, sel_type, address='', dev_type=''):
if getattr(self, 'selectors', None) is None:
self.selectors = []
new_selector = {}
new_selector['selector_type'] = sel_type
new_selector['address'] = address
new_selector['device_type'] = dev_type
self.selectors.append(new_selector)
def get_slave_selectors(self):
return self.selectors
# Return number of slaves for this interface
def get_slave_count(self):
return len(self.hardware_slaves)
def apply_link_config(self, net_link):
if (net_link is not None and
isinstance(net_link, NetworkLink) and
net_link.name == self.network_link):
self.attached_link = deepcopy(net_link)
return True
return False
def apply_network_config(self, network):
if network in self.networks:
if getattr(self, 'attached_networks', None) is None:
self.attached_networks = []
self.attached_networks.append(deepcopy(network))
return True
else:
return False
def set_network_address(self, network_name, address):
if getattr(self, 'attached_networks', None) is None:
return False
for n in self.attached_neteworks:
if n.name == network_name:
n.assigned_address = address
def get_network_configs(self):
return self.attached_networks
"""
Merge two lists of HostInterface models with child_list taking
priority when conflicts. If a member of child_list has a device_name
beginning with '!' it indicates that HostInterface should be
removed from the merged list
"""
@staticmethod
def merge_lists(child_list, parent_list):
if len(child_list) == 0:
return deepcopy(parent_list)
effective_list = []
if len(parent_list) == 0:
for i in child_list:
if i.device_name.startswith('!'):
continue
else:
effective_list.append(deepcopy(i))
return effective_list
parent_interfaces = []
for i in parent_list:
parent_name = i.device_name
parent_interfaces.append(parent_name)
add = True
for j in child_list:
if j.device_name == ("!" + parent_name):
add = False
break
elif j.device_name == parent_name:
m = HostInterface(j.api_version)
m.device_name = j.device_name
m.network_link = \
Utils.apply_field_inheritance(j.network_link,
i.network_link)
s = filter(lambda x: ("!" + x) not in j.hardware_slaves,
i.hardware_slaves)
s = list(s)
s.extend(filter(lambda x: not x.startswith("!"),
j.hardware_slaves))
m.hardware_slaves = s
n = filter(lambda x: ("!" + x) not in j.networks,
i.networks)
n = list(n)
n.extend(filter(lambda x: not x.startswith("!"),
j.networks))
m.networks = n
effective_list.append(m)
add = False
break
if add:
effective_list.append(deepcopy(i))
for j in child_list:
if (j.device_name not in parent_interfaces
and not j.device_name.startswith("!")):
effective_list.append(deepcopy(j))
return effective_list
class HostPartition(object):
def __init__(self, api_version, **kwargs):
self.api_version = api_version
if self.api_version == "v1.0":
self.name = kwargs.get('name', None)
self.device = kwargs.get('device', None)
self.part_uuid = kwargs.get('part_uuid', None)
self.size = kwargs.get('size', None)
self.mountpoint = kwargs.get('mountpoint', None)
self.fstype = kwargs.get('fstype', 'ext4')
self.mount_options = kwargs.get('mount_options', 'defaults')
self.fs_uuid = kwargs.get('fs_uuid', None)
self.fs_label = kwargs.get('fs_label', None)
else:
raise ValueError('Unknown API version of object')
# The device attribute may be hardware alias that translates to a
# physical device address. If the device attribute does not match an
# alias, we assume it directly identifies a OS device name. When the
# apply_hardware_profile method is called on the parent Node of this
# device, the selector will be decided and applied
def set_selector(self, sel_type, address='', dev_type=''):
selector = {}
selector['type'] = sel_type
selector['address'] = address
selector['device_type'] = dev_type
self.selector = selector
def get_selector(self):
return self.selector
"""
Merge two lists of HostPartition models with child_list taking
priority when conflicts. If a member of child_list has a name
beginning with '!' it indicates that HostPartition should be
removed from the merged list
"""
@staticmethod
def merge_lists(child_list, parent_list):
if len(child_list) == 0:
return deepcopy(parent_list)
effective_list = []
if len(parent_list) == 0:
for i in child_list:
if i.name.startswith('!'):
continue
else:
effective_list.append(deepcopy(i))
inherit_field_list = ["device", "part_uuid", "size",
"mountpoint", "fstype", "mount_options",
"fs_uuid", "fs_label"]
parent_partitions = []
for i in parent_list:
parent_name = i.name
parent_partitions.append(parent_name)
add = True
for j in child_list:
if j.name == ("!" + parent_name):
add = False
break
elif j.name == parent_name:
p = HostPartition(j.api_version)
p.name = j.name
for f in inherit_field_list:
setattr(p, Utils.apply_field_inheritance(getattr(j, f),
getattr(i, f))
)
add = False
effective_list.append(p)
if add:
effective_list.append(deepcopy(i))
for j in child_list:
if j.name not in parent_list:
effective_list.append(deepcopy(j))
return effective_list