def setUpClass(cls):
"""
Sets up the unittest, mocking a certain set of 3rd party libraries and extensions.
This makes sure the unittests can be executed without those libraries installed
"""
# Load dummy stores
PersistentFactory.store = DummyPersistentStore()
VolatileFactory.store = DummyVolatileStore()
# Replace mocked classes
sys.modules[
'ovs.extensions.storageserver.storagedriver'] = StorageDriverModule
# Import required modules/classes after mocking is done
from ovs.dal.hybrids.vdisk import VDisk
from ovs.dal.hybrids.service import Service
from ovs.dal.hybrids.vpool import VPool
from ovs.dal.hybrids.storagerouter import StorageRouter
from ovs.dal.hybrids.pmachine import PMachine
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.hybrids.storagedriver import StorageDriver
from ovs.dal.hybrids.backendtype import BackendType
from ovs.dal.hybrids.j_mdsservice import MDSService
from ovs.dal.hybrids.j_mdsservicevdisk import MDSServiceVDisk
from ovs.extensions.generic.volatilemutex import VolatileMutex
from ovs.lib.mdsservice import MDSServiceController
# Globalize mocked classes
global VDisk
global VPool
global Service
global StorageRouter
global StorageDriver
global BackendType
global PMachine
global MDSService
global ServiceType
global MDSServiceVDisk
global VolatileMutex
global MDSServiceController
_ = VDisk(), VPool(), Service(), MDSService(), MDSServiceVDisk(), ServiceType(), \
StorageRouter(), StorageDriver(), BackendType(), PMachine(), \
VolatileMutex('dummy'), MDSServiceController
# Configuration
def _get(key):
c = PersistentFactory.get_client()
if c.exists(key):
return c.get(key)
return None
Configuration.get = staticmethod(_get)
# Cleaning storage
VolatileFactory.store.clean()
PersistentFactory.store.clean()
def setUpClass(cls):
"""
Sets up the unittest, mocking a certain set of 3rd party libraries and extensions.
This makes sure the unittests can be executed without those libraries installed
"""
# Load dummy stores
PersistentFactory.store = DummyPersistentStore()
VolatileFactory.store = DummyVolatileStore()
# Replace mocked classes
sys.modules[
'ovs.extensions.storageserver.storagedriver'] = StorageDriverModule
sys.modules['ovs.extensions.hypervisor.hypervisors.kvm'] = KVMModule
# Import required modules/classes after mocking is done
from ovs.dal.hybrids.backendtype import BackendType
from ovs.dal.hybrids.vdisk import VDisk
from ovs.dal.hybrids.j_mdsservice import MDSService
from ovs.dal.hybrids.j_mdsservicevdisk import MDSServiceVDisk
from ovs.lib.vdisk import VDiskController
from ovs.dal.hybrids.pmachine import PMachine
from ovs.dal.hybrids.vmachine import VMachine
from ovs.dal.hybrids.vpool import VPool
from ovs.dal.hybrids.storagedriver import StorageDriver
from ovs.dal.hybrids.storagerouter import StorageRouter
from ovs.dal.hybrids.failuredomain import FailureDomain
from ovs.dal.hybrids.service import Service
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.lists.vdisklist import VDiskList
from ovs.lib.mdsservice import MDSServiceController
# Globalize mocked classes
global VDisk
global VDiskController
global PMachine
global VMachine
global BackendType
global VPool
global StorageDriver
global StorageRouter
global FailureDomain
global MDSService
global MDSServiceVDisk
global Service
global ServiceType
global VDiskList
global MDSServiceController
_ = VDisk(), PMachine(), VMachine(), VDiskController, VPool(), BackendType(), StorageDriver(), StorageRouter(), \
FailureDomain(), MDSService(), MDSServiceVDisk(), Service(), ServiceType(), VDiskList, MDSServiceController
# Cleaning storage
VolatileFactory.store.clean()
PersistentFactory.store.clean()
def setUpClass(cls):
"""
Sets up the unittest, mocking a certain set of 3rd party libraries and extensions.
This makes sure the unittests can be executed without those libraries installed
"""
# Load dummy stores
PersistentFactory.store = DummyPersistentStore()
VolatileFactory.store = DummyVolatileStore()
# Replace mocked classes
sys.modules[
'ovs.extensions.storageserver.storagedriver'] = StorageDriverModule
# Import required modules/classes after mocking is done
from ovs.dal.hybrids.backendtype import BackendType
from ovs.dal.hybrids.disk import Disk
from ovs.dal.hybrids.diskpartition import DiskPartition
from ovs.dal.hybrids.failuredomain import FailureDomain
from ovs.dal.hybrids.pmachine import PMachine
from ovs.dal.hybrids.storagerouter import StorageRouter
from ovs.dal.hybrids.vdisk import VDisk
from ovs.dal.hybrids.vmachine import VMachine
from ovs.dal.hybrids.vpool import VPool
from ovs.extensions.generic.volatilemutex import VolatileMutex
from ovs.lib.vmachine import VMachineController
from ovs.lib.vdisk import VDiskController
from ovs.lib.scheduledtask import ScheduledTaskController
# Globalize mocked classes
global Disk
global VDisk
global VMachine
global PMachine
global VPool
global BackendType
global DiskPartition
global FailureDomain
global StorageRouter
global VolatileMutex
global VMachineController
global VDiskController
global ScheduledTaskController
_ = VDisk(), VolatileMutex('dummy'), VMachine(), PMachine(), VPool(), BackendType(), FailureDomain(), \
VMachineController, VDiskController, ScheduledTaskController, StorageRouter(), Disk(), DiskPartition()
# Cleaning storage
VolatileFactory.store.clean()
PersistentFactory.store.clean()
def migrate(previous_version):
"""
Migrates from a given version to the current version. It uses 'previous_version' to be smart
wherever possible, but the code should be able to migrate any version towards the expected version.
When this is not possible, the code can set a minimum version and raise when it is not met.
:param previous_version: The previous version from which to start the migration
:type previous_version: float
"""
working_version = previous_version
if working_version == 0:
from ovs.dal.hybrids.servicetype import ServiceType
# Initial version:
# * Add any basic configuration or model entries
# Add backends
for backend_type_info in [('ALBA', 'alba')]:
code = backend_type_info[1]
backend_type = BackendTypeList.get_backend_type_by_code(code)
if backend_type is None:
backend_type = BackendType()
backend_type.name = backend_type_info[0]
backend_type.code = code
backend_type.save()
# Add service types
for service_type_info in [
ServiceType.SERVICE_TYPES.NS_MGR,
ServiceType.SERVICE_TYPES.ALBA_MGR,
ServiceType.SERVICE_TYPES.ALBA_S3_TRANSACTION
]:
service_type = ServiceType()
service_type.name = service_type_info
service_type.save()
# From here on, all actual migration should happen to get to the expected state for THIS RELEASE
elif working_version < DALMigrator.THIS_VERSION:
import hashlib
from ovs.dal.exceptions import ObjectNotFoundException
from ovs.dal.helpers import HybridRunner, Descriptor
from ovs.dal.hybrids.albaabmcluster import ABMCluster
from ovs.dal.hybrids.albaosd import AlbaOSD
from ovs.dal.hybrids.albansmcluster import NSMCluster
from ovs.dal.hybrids.j_abmservice import ABMService
from ovs.dal.hybrids.j_nsmservice import NSMService
from ovs.dal.hybrids.service import Service
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.lists.albabackendlist import AlbaBackendList
from ovs.dal.lists.albanodelist import AlbaNodeList
from ovs.dal.lists.servicetypelist import ServiceTypeList
from ovs.dal.lists.storagerouterlist import StorageRouterList
from ovs.extensions.db.arakooninstaller import ArakoonClusterConfig, ArakoonInstaller
from ovs.extensions.generic.configuration import Configuration, NotFoundException
from ovs_extensions.generic.toolbox import ExtensionsToolbox
from ovs.extensions.plugins.albacli import AlbaCLI
from ovs.extensions.storage.persistentfactory import PersistentFactory
# Migrate unique constraints & indexes
client = PersistentFactory.get_client()
hybrid_structure = HybridRunner.get_hybrids()
for class_descriptor in hybrid_structure.values():
cls = Descriptor().load(class_descriptor).get_object()
classname = cls.__name__.lower()
unique_key = 'ovs_unique_{0}_{{0}}_'.format(classname)
index_prefix = 'ovs_index_{0}|{{0}}|'.format(classname)
index_key = 'ovs_index_{0}|{{0}}|{{1}}'.format(classname)
uniques = []
indexes = []
# noinspection PyProtectedMember
for prop in cls._properties:
if prop.unique is True and len([
k for k in client.prefix(
unique_key.format(prop.name))
]) == 0:
uniques.append(prop.name)
if prop.indexed is True and len([
k for k in client.prefix(
index_prefix.format(prop.name))
]) == 0:
indexes.append(prop.name)
if len(uniques) > 0 or len(indexes) > 0:
prefix = 'ovs_data_{0}_'.format(classname)
for key, data in client.prefix_entries(prefix):
for property_name in uniques:
ukey = '{0}{1}'.format(
unique_key.format(property_name),
hashlib.sha1(str(
data[property_name])).hexdigest())
client.set(ukey, key)
for property_name in indexes:
if property_name not in data:
continue # This is the case when there's a new indexed property added.
ikey = index_key.format(
property_name,
hashlib.sha1(str(
data[property_name])).hexdigest())
index = list(
client.get_multi([ikey], must_exist=False))[0]
transaction = client.begin_transaction()
if index is None:
client.assert_value(ikey,
None,
transaction=transaction)
client.set(ikey, [key],
transaction=transaction)
elif key not in index:
client.assert_value(ikey,
index[:],
transaction=transaction)
client.set(ikey,
index + [key],
transaction=transaction)
client.apply_transaction(transaction)
#############################################
# Introduction of ABMCluster and NSMCluster #
#############################################
# Verify presence of unchanged ALBA Backends
alba_backends = AlbaBackendList.get_albabackends()
changes_required = False
for alba_backend in alba_backends:
if alba_backend.abm_cluster is None or len(
alba_backend.nsm_clusters) == 0:
changes_required = True
break
if changes_required:
# Retrieve ABM and NSM clusters
abm_cluster_info = []
nsm_cluster_info = []
for cluster_name in Configuration.list('/ovs/arakoon'):
try:
metadata = ArakoonInstaller.get_arakoon_metadata_by_cluster_name(
cluster_name=cluster_name)
if metadata[
'cluster_type'] == ServiceType.ARAKOON_CLUSTER_TYPES.ABM:
abm_cluster_info.append(metadata)
elif metadata[
'cluster_type'] == ServiceType.ARAKOON_CLUSTER_TYPES.NSM:
nsm_cluster_info.append(metadata)
except NotFoundException:
continue
# Retrieve NSM Arakoon cluster information
cluster_arakoon_map = {}
for cluster_info in abm_cluster_info + nsm_cluster_info:
cluster_name = cluster_info['cluster_name']
arakoon_config = ArakoonClusterConfig(
cluster_id=cluster_name)
cluster_arakoon_map[
cluster_name] = arakoon_config.export_dict()
storagerouter_map = dict(
(storagerouter.machine_id, storagerouter) for storagerouter
in StorageRouterList.get_storagerouters())
alba_backend_id_map = dict((alba_backend.alba_id, alba_backend)
for alba_backend in alba_backends)
for cluster_info in abm_cluster_info:
internal = cluster_info['internal']
cluster_name = cluster_info['cluster_name']
config_location = Configuration.get_configuration_path(
key=ArakoonClusterConfig.CONFIG_KEY.format(
cluster_name))
try:
alba_id = AlbaCLI.run(command='get-alba-id',
config=config_location,
named_params={'attempts':
3})['id']
nsm_hosts = AlbaCLI.run(command='list-nsm-hosts',
config=config_location,
named_params={'attempts': 3})
except RuntimeError:
continue
alba_backend = alba_backend_id_map.get(alba_id)
if alba_backend is None: # ALBA Backend with ID not found in model
continue
if alba_backend.abm_cluster is not None and len(
alba_backend.nsm_clusters
) > 0: # Clusters already exist
continue
# Create ABM Cluster
if alba_backend.abm_cluster is None:
abm_cluster = ABMCluster()
abm_cluster.name = cluster_name
abm_cluster.alba_backend = alba_backend
abm_cluster.config_location = ArakoonClusterConfig.CONFIG_KEY.format(
cluster_name)
abm_cluster.save()
else:
abm_cluster = alba_backend.abm_cluster
# Create ABM Services
abm_arakoon_config = cluster_arakoon_map[cluster_name]
abm_arakoon_config.pop('global')
arakoon_nodes = abm_arakoon_config.keys()
if internal is False:
services_to_create = 1
else:
if set(arakoon_nodes).difference(
set(storagerouter_map.keys())):
continue
services_to_create = len(arakoon_nodes)
for index in range(services_to_create):
service = Service()
service.name = 'arakoon-{0}-abm'.format(
alba_backend.name)
service.type = ServiceTypeList.get_by_name(
ServiceType.SERVICE_TYPES.ALBA_MGR)
if internal is True:
arakoon_node_config = abm_arakoon_config[
arakoon_nodes[index]]
service.ports = [
arakoon_node_config['client_port'],
arakoon_node_config['messaging_port']
]
service.storagerouter = storagerouter_map[
arakoon_nodes[index]]
else:
service.ports = []
service.storagerouter = None
service.save()
abm_service = ABMService()
abm_service.service = service
abm_service.abm_cluster = abm_cluster
abm_service.save()
# Create NSM Clusters
for cluster_index, nsm_host in enumerate(
sorted(nsm_hosts,
key=lambda host: ExtensionsToolbox.
advanced_sort(host['cluster_id'], '_'))):
nsm_cluster_name = nsm_host['cluster_id']
nsm_arakoon_config = cluster_arakoon_map.get(
nsm_cluster_name)
if nsm_arakoon_config is None:
continue
number = cluster_index if internal is False else int(
nsm_cluster_name.split('_')[-1])
nsm_cluster = NSMCluster()
nsm_cluster.name = nsm_cluster_name
nsm_cluster.number = number
nsm_cluster.alba_backend = alba_backend
nsm_cluster.config_location = ArakoonClusterConfig.CONFIG_KEY.format(
nsm_cluster_name)
nsm_cluster.save()
# Create NSM Services
nsm_arakoon_config.pop('global')
arakoon_nodes = nsm_arakoon_config.keys()
if internal is False:
services_to_create = 1
else:
if set(arakoon_nodes).difference(
set(storagerouter_map.keys())):
continue
services_to_create = len(arakoon_nodes)
for service_index in range(services_to_create):
service = Service()
service.name = 'arakoon-{0}-nsm_{1}'.format(
alba_backend.name, number)
service.type = ServiceTypeList.get_by_name(
ServiceType.SERVICE_TYPES.NS_MGR)
if internal is True:
arakoon_node_config = nsm_arakoon_config[
arakoon_nodes[service_index]]
service.ports = [
arakoon_node_config['client_port'],
arakoon_node_config['messaging_port']
]
service.storagerouter = storagerouter_map[
arakoon_nodes[service_index]]
else:
service.ports = []
service.storagerouter = None
service.save()
nsm_service = NSMService()
nsm_service.service = service
nsm_service.nsm_cluster = nsm_cluster
nsm_service.save()
# Clean up all junction services no longer linked to an ALBA Backend
all_nsm_services = [
service.nsm_service for service in ServiceTypeList.get_by_name(
ServiceType.SERVICE_TYPES.NS_MGR).services
if service.nsm_service.nsm_cluster is None
]
all_abm_services = [
service.abm_service for service in ServiceTypeList.get_by_name(
ServiceType.SERVICE_TYPES.ALBA_MGR).services
if service.abm_service.abm_cluster is None
]
for abm_service in all_abm_services:
abm_service.delete()
abm_service.service.delete()
for nsm_service in all_nsm_services:
nsm_service.delete()
nsm_service.service.delete()
################################
# Introduction of Active Drive #
################################
# Update slot_id and Alba Node relation for all OSDs
client = PersistentFactory.get_client()
disk_osd_map = {}
for key, data in client.prefix_entries('ovs_data_albaosd_'):
alba_disk_guid = data.get('alba_disk', {}).get('guid')
if alba_disk_guid is not None:
if alba_disk_guid not in disk_osd_map:
disk_osd_map[alba_disk_guid] = []
disk_osd_map[alba_disk_guid].append(
key.replace('ovs_data_albaosd_', ''))
try:
value = client.get(key)
value.pop('alba_disk', None)
client.set(key=key, value=value)
except Exception:
pass # We don't care if we would have any leftover AlbaDisk information in _data, but its cleaner not to
alba_guid_node_map = dict(
(an.guid, an) for an in AlbaNodeList.get_albanodes())
for key, data in client.prefix_entries('ovs_data_albadisk_'):
alba_disk_guid = key.replace('ovs_data_albadisk_', '')
alba_node_guid = data.get('alba_node', {}).get('guid')
if alba_disk_guid in disk_osd_map and alba_node_guid in alba_guid_node_map and len(
data.get('aliases', [])) > 0:
slot_id = data['aliases'][0].split('/')[-1]
for osd_guid in disk_osd_map[alba_disk_guid]:
try:
osd = AlbaOSD(osd_guid)
except ObjectNotFoundException:
continue
osd.slot_id = slot_id
osd.alba_node = alba_guid_node_map[alba_node_guid]
osd.save()
client.delete(key=key, must_exist=False)
# Remove unique constraints for AlbaNode IP
for key in client.prefix('ovs_unique_albanode_ip_'):
client.delete(key=key, must_exist=False)
# Remove relation for all Alba Disks
for key in client.prefix('ovs_reverseindex_albadisk_'):
client.delete(key=key, must_exist=False)
# Remove the relation between AlbaNode and AlbaDisk
for key in client.prefix('ovs_reverseindex_albanode_'):
if '|disks|' in key:
client.delete(key=key, must_exist=False)
return DALMigrator.THIS_VERSION
def migrate(previous_version):
"""
Migrates from any version to any version, running all migrations required
If previous_version is for example 0 and this script is at
version 3 it will execute two steps:
- 1 > 2
- 2 > 3
@param previous_version: The previous version from which to start the migration.
"""
working_version = previous_version
# Version 1 introduced:
# - The datastore is still empty, add defaults
if working_version < 1:
from ovs.dal.hybrids.user import User
from ovs.dal.hybrids.group import Group
from ovs.dal.hybrids.role import Role
from ovs.dal.hybrids.client import Client
from ovs.dal.hybrids.failuredomain import FailureDomain
from ovs.dal.hybrids.j_rolegroup import RoleGroup
from ovs.dal.hybrids.j_roleclient import RoleClient
from ovs.dal.hybrids.backendtype import BackendType
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.hybrids.branding import Branding
from ovs.dal.lists.backendtypelist import BackendTypeList
# Create groups
admin_group = Group()
admin_group.name = 'administrators'
admin_group.description = 'Administrators'
admin_group.save()
viewers_group = Group()
viewers_group.name = 'viewers'
viewers_group.description = 'Viewers'
viewers_group.save()
# Create users
admin = User()
admin.username = '******'
admin.password = hashlib.sha256('admin').hexdigest()
admin.is_active = True
admin.group = admin_group
admin.save()
# Create internal OAuth 2 clients
admin_pw_client = Client()
admin_pw_client.ovs_type = 'INTERNAL'
admin_pw_client.grant_type = 'PASSWORD'
admin_pw_client.user = admin
admin_pw_client.save()
admin_cc_client = Client()
admin_cc_client.ovs_type = 'INTERNAL'
admin_cc_client.grant_type = 'CLIENT_CREDENTIALS'
admin_cc_client.client_secret = ''.join(
random.choice(string.ascii_letters + string.digits +
'|_=+*#@!/-[]{}<>.?,\'";:~') for _ in range(128))
admin_cc_client.user = admin
admin_cc_client.save()
# Create roles
read_role = Role()
read_role.code = 'read'
read_role.name = 'Read'
read_role.description = 'Can read objects'
read_role.save()
write_role = Role()
write_role.code = 'write'
write_role.name = 'Write'
write_role.description = 'Can write objects'
write_role.save()
manage_role = Role()
manage_role.code = 'manage'
manage_role.name = 'Manage'
manage_role.description = 'Can manage the system'
manage_role.save()
# Attach groups to roles
mapping = [(admin_group, [read_role, write_role, manage_role]),
(viewers_group, [read_role])]
for setting in mapping:
for role in setting[1]:
rolegroup = RoleGroup()
rolegroup.group = setting[0]
rolegroup.role = role
rolegroup.save()
for user in setting[0].users:
for role in setting[1]:
for client in user.clients:
roleclient = RoleClient()
roleclient.client = client
roleclient.role = role
roleclient.save()
# Add backends
for backend_type_info in [('Ceph', 'ceph_s3'),
('Amazon', 'amazon_s3'),
('Swift', 'swift_s3'),
('Local', 'local'),
('Distributed', 'distributed'),
('ALBA', 'alba')]:
code = backend_type_info[1]
backend_type = BackendTypeList.get_backend_type_by_code(code)
if backend_type is None:
backend_type = BackendType()
backend_type.name = backend_type_info[0]
backend_type.code = code
backend_type.save()
# Add service types
for service_type_info in [
ServiceType.SERVICE_TYPES.MD_SERVER,
ServiceType.SERVICE_TYPES.ALBA_PROXY,
ServiceType.SERVICE_TYPES.ARAKOON
]:
service_type = ServiceType()
service_type.name = service_type_info
service_type.save()
# Branding
branding = Branding()
branding.name = 'Default'
branding.description = 'Default bootstrap theme'
branding.css = 'bootstrap-default.min.css'
branding.productname = 'Open vStorage'
branding.is_default = True
branding.save()
slate = Branding()
slate.name = 'Slate'
slate.description = 'Dark bootstrap theme'
slate.css = 'bootstrap-slate.min.css'
slate.productname = 'Open vStorage'
slate.is_default = False
slate.save()
# Failure Domain
failure_domain = FailureDomain()
failure_domain.name = 'Default'
failure_domain.save()
# We're now at version 1
working_version = 1
# Version 2 introduced:
# - new Descriptor format
if working_version < 2:
import imp
from ovs.dal.helpers import Descriptor
from ovs.extensions.storage.persistentfactory import PersistentFactory
client = PersistentFactory.get_client()
keys = client.prefix('ovs_data')
for key in keys:
data = client.get(key)
modified = False
for entry in data.keys():
if isinstance(data[entry], dict) and 'source' in data[
entry] and 'hybrids' in data[entry]['source']:
filename = data[entry]['source']
if not filename.startswith('/'):
filename = '/opt/OpenvStorage/ovs/dal/{0}'.format(
filename)
module = imp.load_source(data[entry]['name'], filename)
cls = getattr(module, data[entry]['type'])
new_data = Descriptor(cls, cached=False).descriptor
if 'guid' in data[entry]:
new_data['guid'] = data[entry]['guid']
data[entry] = new_data
modified = True
if modified is True:
data['_version'] += 1
client.set(key, data)
# We're now at version 2
working_version = 2
# Version 3 introduced:
# - new Descriptor format
if working_version < 3:
import imp
from ovs.dal.helpers import Descriptor
from ovs.extensions.storage.persistentfactory import PersistentFactory
client = PersistentFactory.get_client()
keys = client.prefix('ovs_data')
for key in keys:
data = client.get(key)
modified = False
for entry in data.keys():
if isinstance(data[entry],
dict) and 'source' in data[entry]:
module = imp.load_source(data[entry]['name'],
data[entry]['source'])
cls = getattr(module, data[entry]['type'])
new_data = Descriptor(cls, cached=False).descriptor
if 'guid' in data[entry]:
new_data['guid'] = data[entry]['guid']
data[entry] = new_data
modified = True
if modified is True:
data['_version'] += 1
client.set(key, data)
working_version = 3
# Version 4 introduced:
# - Flexible SSD layout
if working_version < 4:
import os
from ovs.dal.hybrids.diskpartition import DiskPartition
from ovs.dal.hybrids.j_storagedriverpartition import StorageDriverPartition
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.lists.servicetypelist import ServiceTypeList
from ovs.dal.lists.storagedriverlist import StorageDriverList
from ovs.extensions.generic.remote import remote
from ovs.extensions.generic.sshclient import SSHClient
from ovs.extensions.storageserver.storagedriver import StorageDriverConfiguration
for service in ServiceTypeList.get_by_name(
ServiceType.SERVICE_TYPES.MD_SERVER).services:
mds_service = service.mds_service
storagedriver = None
for current_storagedriver in service.storagerouter.storagedrivers:
if current_storagedriver.vpool_guid == mds_service.vpool_guid:
storagedriver = current_storagedriver
break
tasks = {}
if storagedriver._data.get('mountpoint_md'):
tasks['{0}/mds_{1}_{2}'.format(
storagedriver._data.get('mountpoint_md'),
storagedriver.vpool.name, mds_service.number)] = (
DiskPartition.ROLES.DB,
StorageDriverPartition.SUBROLE.MDS)
if storagedriver._data.get('mountpoint_temp'):
tasks['{0}/mds_{1}_{2}'.format(
storagedriver._data.get('mountpoint_temp'),
storagedriver.vpool.name, mds_service.number)] = (
DiskPartition.ROLES.SCRUB,
StorageDriverPartition.SUBROLE.MDS)
for disk in service.storagerouter.disks:
for partition in disk.partitions:
for directory, (role, subrole) in tasks.iteritems():
with remote(storagedriver.storagerouter.ip, [os],
username='******') as rem:
stat_dir = directory
while not rem.os.path.exists(
stat_dir) and stat_dir != '/':
stat_dir = stat_dir.rsplit('/', 1)[0]
if not stat_dir:
stat_dir = '/'
inode = rem.os.stat(stat_dir).st_dev
if partition.inode == inode:
if role not in partition.roles:
partition.roles.append(role)
partition.save()
number = 0
migrated = False
for sd_partition in storagedriver.partitions:
if sd_partition.role == role and sd_partition.sub_role == subrole:
if sd_partition.mds_service == mds_service:
migrated = True
break
if sd_partition.partition_guid == partition.guid:
number = max(
sd_partition.number, number)
if migrated is False:
sd_partition = StorageDriverPartition()
sd_partition.role = role
sd_partition.sub_role = subrole
sd_partition.partition = partition
sd_partition.storagedriver = storagedriver
sd_partition.mds_service = mds_service
sd_partition.size = None
sd_partition.number = number + 1
sd_partition.save()
client = SSHClient(
storagedriver.storagerouter,
username='******')
path = sd_partition.path.rsplit('/', 1)[0]
if path:
client.dir_create(path)
client.dir_chown(path, 'ovs', 'ovs')
client.dir_create(directory)
client.dir_chown(directory, 'ovs', 'ovs')
client.symlink(
{sd_partition.path: directory})
for storagedriver in StorageDriverList.get_storagedrivers():
migrated_objects = {}
for disk in storagedriver.storagerouter.disks:
for partition in disk.partitions:
# Process all mountpoints that are unique and don't have a specified size
for key, (role, sr_info) in {
'mountpoint_md': (DiskPartition.ROLES.DB, {
'metadata_{0}':
StorageDriverPartition.SUBROLE.MD,
'tlogs_{0}':
StorageDriverPartition.SUBROLE.TLOG
}),
'mountpoint_fragmentcache':
(DiskPartition.ROLES.WRITE, {
'fcache_{0}':
StorageDriverPartition.SUBROLE.FCACHE
}),
'mountpoint_foc': (DiskPartition.ROLES.WRITE, {
'fd_{0}':
StorageDriverPartition.SUBROLE.FD,
'dtl_{0}':
StorageDriverPartition.SUBROLE.DTL
}),
'mountpoint_dtl': (DiskPartition.ROLES.WRITE, {
'fd_{0}':
StorageDriverPartition.SUBROLE.FD,
'dtl_{0}':
StorageDriverPartition.SUBROLE.DTL
}),
'mountpoint_readcaches':
(DiskPartition.ROLES.READ, {
'': None
}),
'mountpoint_writecaches':
(DiskPartition.ROLES.WRITE, {
'sco_{0}': StorageDriverPartition.SUBROLE.SCO
})
}.iteritems():
if key in storagedriver._data:
is_list = isinstance(storagedriver._data[key],
list)
entries = storagedriver._data[
key][:] if is_list is True else [
storagedriver._data[key]
]
for entry in entries:
if not entry:
if is_list:
storagedriver._data[key].remove(
entry)
if len(storagedriver._data[key]
) == 0:
del storagedriver._data[key]
else:
del storagedriver._data[key]
else:
with remote(
storagedriver.storagerouter.ip,
[os],
username='******') as rem:
inode = rem.os.stat(entry).st_dev
if partition.inode == inode:
if role not in partition.roles:
partition.roles.append(role)
partition.save()
for folder, subrole in sr_info.iteritems(
):
number = 0
migrated = False
for sd_partition in storagedriver.partitions:
if sd_partition.role == role and sd_partition.sub_role == subrole:
if sd_partition.partition_guid == partition.guid:
number = max(
sd_partition.
number, number)
if migrated is False:
sd_partition = StorageDriverPartition(
)
sd_partition.role = role
sd_partition.sub_role = subrole
sd_partition.partition = partition
sd_partition.storagedriver = storagedriver
sd_partition.size = None
sd_partition.number = number + 1
sd_partition.save()
if folder:
source = '{0}/{1}'.format(
entry,
folder.format(
storagedriver.
vpool.name))
else:
source = entry
client = SSHClient(
storagedriver.
storagerouter,
username='******')
path = sd_partition.path.rsplit(
'/', 1)[0]
if path:
client.dir_create(path)
client.dir_chown(
path, 'ovs', 'ovs')
client.symlink({
sd_partition.path:
source
})
migrated_objects[
source] = sd_partition
if is_list:
storagedriver._data[
key].remove(entry)
if len(storagedriver._data[key]
) == 0:
del storagedriver._data[
key]
else:
del storagedriver._data[key]
storagedriver.save()
if 'mountpoint_bfs' in storagedriver._data:
storagedriver.mountpoint_dfs = storagedriver._data[
'mountpoint_bfs']
if not storagedriver.mountpoint_dfs:
storagedriver.mountpoint_dfs = None
del storagedriver._data['mountpoint_bfs']
storagedriver.save()
if 'mountpoint_temp' in storagedriver._data:
del storagedriver._data['mountpoint_temp']
storagedriver.save()
if migrated_objects:
print 'Loading sizes'
config = StorageDriverConfiguration(
'storagedriver', storagedriver.vpool_guid,
storagedriver.storagedriver_id)
config.load()
for readcache in config.configuration.get(
'content_addressed_cache',
{}).get('clustercache_mount_points', []):
path = readcache.get('path', '').rsplit('/', 1)[0]
size = int(readcache['size'].strip(
'KiB')) * 1024 if 'size' in readcache else None
if path in migrated_objects:
migrated_objects[path].size = long(size)
migrated_objects[path].save()
for writecache in config.configuration.get(
'scocache', {}).get('scocache_mount_points', []):
path = writecache.get('path', '')
size = int(writecache['size'].strip(
'KiB')) * 1024 if 'size' in writecache else None
if path in migrated_objects:
migrated_objects[path].size = long(size)
migrated_objects[path].save()
working_version = 4
# Version 5 introduced:
# - Failure Domains
if working_version < 5:
import os
from ovs.dal.hybrids.failuredomain import FailureDomain
from ovs.dal.lists.failuredomainlist import FailureDomainList
from ovs.dal.lists.storagerouterlist import StorageRouterList
from ovs.extensions.generic.remote import remote
from ovs.extensions.generic.sshclient import SSHClient
failure_domains = FailureDomainList.get_failure_domains()
if len(failure_domains) > 0:
failure_domain = failure_domains[0]
else:
failure_domain = FailureDomain()
failure_domain.name = 'Default'
failure_domain.save()
for storagerouter in StorageRouterList.get_storagerouters():
change = False
if storagerouter.primary_failure_domain is None:
storagerouter.primary_failure_domain = failure_domain
change = True
if storagerouter.rdma_capable is None:
client = SSHClient(storagerouter, username='******')
rdma_capable = False
with remote(client.ip, [os], username='******') as rem:
for root, dirs, files in rem.os.walk(
'/sys/class/infiniband'):
for directory in dirs:
ports_dir = '/'.join(
[root, directory, 'ports'])
if not rem.os.path.exists(ports_dir):
continue
for sub_root, sub_dirs, _ in rem.os.walk(
ports_dir):
if sub_root != ports_dir:
continue
for sub_directory in sub_dirs:
state_file = '/'.join(
[sub_root, sub_directory, 'state'])
if rem.os.path.exists(state_file):
if 'ACTIVE' in client.run(
'cat {0}'.format(
state_file)):
rdma_capable = True
storagerouter.rdma_capable = rdma_capable
change = True
if change is True:
storagerouter.save()
working_version = 5
# Version 6 introduced:
# - Distributed scrubbing
if working_version < 6:
from ovs.dal.hybrids.diskpartition import DiskPartition
from ovs.dal.lists.storagedriverlist import StorageDriverList
from ovs.extensions.generic.sshclient import SSHClient
for storage_driver in StorageDriverList.get_storagedrivers():
root_client = SSHClient(storage_driver.storagerouter,
username='******')
for partition in storage_driver.partitions:
if partition.role == DiskPartition.ROLES.SCRUB:
old_path = partition.path
partition.sub_role = None
partition.save()
partition.invalidate_dynamics(['folder', 'path'])
if root_client.dir_exists(partition.path):
continue # New directory already exists
if '_mds_' in old_path:
if root_client.dir_exists(old_path):
root_client.symlink({partition.path: old_path})
if not root_client.dir_exists(partition.path):
root_client.dir_create(partition.path)
root_client.dir_chmod(partition.path, 0777)
working_version = 6
# Version 7 introduced:
# - vPool status
if working_version < 7:
from ovs.dal.hybrids import vpool
reload(vpool)
from ovs.dal.hybrids.vpool import VPool
from ovs.dal.lists.vpoollist import VPoolList
for _vpool in VPoolList.get_vpools():
vpool = VPool(_vpool.guid)
if hasattr(vpool, 'status') and vpool.status is None:
vpool.status = VPool.STATUSES.RUNNING
vpool.save()
working_version = 7
# Version 10 introduced:
# - Reverse indexes are stored in persistent store
# - Store more non-changing metadata on disk iso using a dynamic property
if working_version < 10:
from ovs.dal.helpers import HybridRunner, Descriptor
from ovs.dal.datalist import DataList
from ovs.extensions.storage.persistentfactory import PersistentFactory
from ovs.extensions.storage.volatilefactory import VolatileFactory
persistent = PersistentFactory.get_client()
for prefix in ['ovs_listcache', 'ovs_reverseindex']:
for key in persistent.prefix(prefix):
persistent.delete(key)
for key in persistent.prefix('ovs_data_'):
persistent.set(key, persistent.get(key))
base_reverse_key = 'ovs_reverseindex_{0}_{1}|{2}|{3}'
hybrid_structure = HybridRunner.get_hybrids()
for class_descriptor in hybrid_structure.values():
cls = Descriptor().load(class_descriptor).get_object()
all_objects = DataList(cls, {
'type': DataList.where_operator.AND,
'items': []
})
for item in all_objects:
guid = item.guid
for relation in item._relations:
if relation.foreign_type is None:
rcls = cls
rclsname = rcls.__name__.lower()
else:
rcls = relation.foreign_type
rclsname = rcls.__name__.lower()
key = relation.name
rguid = item._data[key]['guid']
if rguid is not None:
reverse_key = base_reverse_key.format(
rclsname, rguid, relation.foreign_key, guid)
persistent.set(reverse_key, 0)
volatile = VolatileFactory.get_client()
try:
volatile._client.flush_all()
except:
pass
from ovs.dal.lists.vdisklist import VDiskList
for vdisk in VDiskList.get_vdisks():
try:
vdisk.metadata = {
'lba_size': vdisk.info['lba_size'],
'cluster_multiplier': vdisk.info['cluster_multiplier']
}
vdisk.save()
except:
pass
working_version = 10
# Version 11 introduced:
# - ALBA accelerated ALBA, meaning different vpool.metadata information
if working_version < 11:
from ovs.dal.lists.vpoollist import VPoolList
for vpool in VPoolList.get_vpools():
vpool.metadata = {'backend': vpool.metadata}
if 'metadata' in vpool.metadata['backend']:
vpool.metadata['backend'][
'arakoon_config'] = vpool.metadata['backend'].pop(
'metadata')
if 'backend_info' in vpool.metadata['backend']:
vpool.metadata['backend']['backend_info'][
'fragment_cache_on_read'] = True
vpool.metadata['backend']['backend_info'][
'fragment_cache_on_write'] = False
vpool.save()
working_version = 11
return working_version
def test_happypath(self):
"""
Validates the happy path; Hourly snapshots are taken with a few manual consistent
every now an then. The delete policy is executed every day
"""
# Setup
# There are 2 machines; one with two disks, one with one disk and a stand-alone additional disk
failure_domain = FailureDomain()
failure_domain.name = 'Test'
failure_domain.save()
backend_type = BackendType()
backend_type.name = 'BackendType'
backend_type.code = 'BT'
backend_type.save()
vpool = VPool()
vpool.name = 'vpool'
vpool.status = 'RUNNING'
vpool.backend_type = backend_type
vpool.save()
pmachine = PMachine()
pmachine.name = 'PMachine'
pmachine.username = '******'
pmachine.ip = '127.0.0.1'
pmachine.hvtype = 'VMWARE'
pmachine.save()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.pmachine = pmachine
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.primary_failure_domain = failure_domain
storage_router.save()
disk = Disk()
disk.name = 'physical_disk_1'
disk.path = '/dev/non-existent'
disk.size = 500 * 1024**3
disk.state = 'OK'
disk.is_ssd = True
disk.storagerouter = storage_router
disk.save()
disk_partition = DiskPartition()
disk_partition.id = 'disk_partition_id'
disk_partition.disk = disk
disk_partition.path = '/dev/disk/non-existent'
disk_partition.size = 400 * 1024**3
disk_partition.state = 'OK'
disk_partition.offset = 1024
disk_partition.roles = [DiskPartition.ROLES.SCRUB]
disk_partition.mountpoint = '/var/tmp'
disk_partition.save()
vmachine_1 = VMachine()
vmachine_1.name = 'vmachine_1'
vmachine_1.devicename = 'dummy'
vmachine_1.pmachine = pmachine
vmachine_1.save()
vdisk_1_1 = VDisk()
vdisk_1_1.name = 'vdisk_1_1'
vdisk_1_1.volume_id = 'vdisk_1_1'
vdisk_1_1.vmachine = vmachine_1
vdisk_1_1.vpool = vpool
vdisk_1_1.devicename = 'dummy'
vdisk_1_1.size = 0
vdisk_1_1.save()
vdisk_1_1.reload_client()
vdisk_1_2 = VDisk()
vdisk_1_2.name = 'vdisk_1_2'
vdisk_1_2.volume_id = 'vdisk_1_2'
vdisk_1_2.vmachine = vmachine_1
vdisk_1_2.vpool = vpool
vdisk_1_2.devicename = 'dummy'
vdisk_1_2.size = 0
vdisk_1_2.save()
vdisk_1_2.reload_client()
vmachine_2 = VMachine()
vmachine_2.name = 'vmachine_2'
vmachine_2.devicename = 'dummy'
vmachine_2.pmachine = pmachine
vmachine_2.save()
vdisk_2_1 = VDisk()
vdisk_2_1.name = 'vdisk_2_1'
vdisk_2_1.volume_id = 'vdisk_2_1'
vdisk_2_1.vmachine = vmachine_2
vdisk_2_1.vpool = vpool
vdisk_2_1.devicename = 'dummy'
vdisk_2_1.size = 0
vdisk_2_1.save()
vdisk_2_1.reload_client()
vdisk_3 = VDisk()
vdisk_3.name = 'vdisk_3'
vdisk_3.volume_id = 'vdisk_3'
vdisk_3.vpool = vpool
vdisk_3.devicename = 'dummy'
vdisk_3.size = 0
vdisk_3.save()
vdisk_3.reload_client()
for disk in [vdisk_1_1, vdisk_1_2, vdisk_2_1, vdisk_3]:
[
dynamic for dynamic in disk._dynamics
if dynamic.name == 'snapshots'
][0].timeout = 0
# Run the testing scenario
travis = 'TRAVIS' in os.environ and os.environ['TRAVIS'] == 'true'
if travis is True:
print 'Running in Travis, reducing output.'
debug = not travis
amount_of_days = 50
base = datetime.datetime.now().date()
day = datetime.timedelta(1)
minute = 60
hour = minute * 60
for d in xrange(0, amount_of_days):
base_timestamp = self._make_timestamp(base, day * d)
print ''
print 'Day cycle: {0}: {1}'.format(
d,
datetime.datetime.fromtimestamp(base_timestamp).strftime(
'%Y-%m-%d'))
# At the start of the day, delete snapshot policy runs at 00:30
print '- Deleting snapshots'
ScheduledTaskController.delete_snapshots(timestamp=base_timestamp +
(minute * 30))
# Validate snapshots
print '- Validating snapshots'
for vdisk in [vdisk_1_1, vdisk_1_2, vdisk_2_1, vdisk_3]:
self._validate(vdisk, d, base, amount_of_days, debug)
# During the day, snapshots are taken
# - Create non consistent snapshot every hour, between 2:00 and 22:00
# - Create consistent snapshot at 6:30, 12:30, 18:30
print '- Creating snapshots'
for h in xrange(2, 23):
timestamp = base_timestamp + (hour * h)
for vm in [vmachine_1, vmachine_2]:
VMachineController.snapshot(machineguid=vm.guid,
label='ss_i_{0}:00'.format(
str(h)),
is_consistent=False,
timestamp=timestamp)
if h in [6, 12, 18]:
ts = (timestamp + (minute * 30))
VMachineController.snapshot(machineguid=vm.guid,
label='ss_c_{0}:30'.format(
str(h)),
is_consistent=True,
timestamp=ts)
VDiskController.create_snapshot(diskguid=vdisk_3.guid,
metadata={
'label':
'ss_i_{0}:00'.format(
str(h)),
'is_consistent':
False,
'timestamp':
str(timestamp),
'machineguid':
None
})
if h in [6, 12, 18]:
ts = (timestamp + (minute * 30))
VDiskController.create_snapshot(diskguid=vdisk_3.guid,
metadata={
'label':
'ss_c_{0}:30'.format(
str(h)),
'is_consistent':
True,
'timestamp':
str(ts),
'machineguid':
None
})
def test_happypath(self):
"""
Validates the happy path; Hourly snapshots are taken with a few manual consistents
every now an then. The delelete policy is exectued every day
"""
# Setup
# There are 2 machines; one with two disks, one with one disk and an additional disk
vpool = VPool()
vpool.name = 'vpool'
vpool.backend_type = BackendType()
vpool.save()
vmachine_1 = VMachine()
vmachine_1.name = 'vmachine_1'
vmachine_1.devicename = 'dummy'
vmachine_1.pmachine = PMachine()
vmachine_1.save()
vdisk_1_1 = VDisk()
vdisk_1_1.name = 'vdisk_1_1'
vdisk_1_1.volume_id = 'vdisk_1_1'
vdisk_1_1.vmachine = vmachine_1
vdisk_1_1.vpool = vpool
vdisk_1_1.devicename = 'dummy'
vdisk_1_1.size = 0
vdisk_1_1.save()
vdisk_1_1.reload_client()
vdisk_1_2 = VDisk()
vdisk_1_2.name = 'vdisk_1_2'
vdisk_1_2.volume_id = 'vdisk_1_2'
vdisk_1_2.vmachine = vmachine_1
vdisk_1_2.vpool = vpool
vdisk_1_2.devicename = 'dummy'
vdisk_1_2.size = 0
vdisk_1_2.save()
vdisk_1_2.reload_client()
vmachine_2 = VMachine()
vmachine_2.name = 'vmachine_2'
vmachine_2.devicename = 'dummy'
vmachine_2.pmachine = PMachine()
vmachine_2.save()
vdisk_2_1 = VDisk()
vdisk_2_1.name = 'vdisk_2_1'
vdisk_2_1.volume_id = 'vdisk_2_1'
vdisk_2_1.vmachine = vmachine_2
vdisk_2_1.vpool = vpool
vdisk_2_1.devicename = 'dummy'
vdisk_2_1.size = 0
vdisk_2_1.save()
vdisk_2_1.reload_client()
vdisk_3 = VDisk()
vdisk_3.name = 'vdisk_3'
vdisk_3.volume_id = 'vdisk_3'
vdisk_3.vpool = vpool
vdisk_3.devicename = 'dummy'
vdisk_3.size = 0
vdisk_3.save()
vdisk_3.reload_client()
for disk in [vdisk_1_1, vdisk_1_2, vdisk_2_1, vdisk_3]:
[dynamic for dynamic in disk._dynamics if dynamic.name == 'snapshots'][0].timeout = 0
# Run the testing scenario
debug = True
amount_of_days = 50
now = int(mktime(datetime.now().date().timetuple())) # Last night
minute = 60
hour = minute * 60
day = hour * 24
for d in xrange(0, amount_of_days):
base_timestamp = now + (day * d)
print ''
print 'Day cycle: {}: {}'.format(
d,
datetime.fromtimestamp(base_timestamp).strftime('%Y-%m-%d')
)
# At the start of the day, delete snapshot policy runs at 00:30
print '- Deleting snapshots'
ScheduledTaskController.deletescrubsnapshots(timestamp=base_timestamp + (minute * 30))
# Validate snapshots
print '- Validating snapshots'
for vdisk in [vdisk_3]: # [vdisk_1_1, vdisk_1_2, vdisk_2_1, vdisk_3]:
self._validate(vdisk, d, now, amount_of_days, debug)
# During the day, snapshots are taken
# - Create non consistent snapshot every hour, between 2:00 and 22:00
# - Create consistent snapshot at 6:30, 12:30, 18:30
print '- Creating snapshots'
for h in xrange(2, 23):
timestamp = base_timestamp + (hour * h)
for vm in [vmachine_1, vmachine_2]:
VMachineController.snapshot(machineguid=vm.guid,
label='ss_i_{}:00'.format(str(h)),
is_consistent=False,
timestamp=timestamp)
if h in [6, 12, 18]:
ts = (timestamp + (minute * 30))
VMachineController.snapshot(machineguid=vm.guid,
label='ss_c_{}:30'.format(str(h)),
is_consistent=True,
timestamp=ts)
VDiskController.create_snapshot(diskguid=vdisk_3.guid,
metadata={'label': 'ss_i_{}:00'.format(str(h)),
'is_consistent': False,
'timestamp': timestamp,
'machineguid': None})
if h in [6, 12, 18]:
ts = (timestamp + (minute * 30))
VDiskController.create_snapshot(diskguid=vdisk_3.guid,
metadata={'label': 'ss_c_{}:30'.format(str(h)),
'is_consistent': True,
'timestamp': ts,
'machineguid': None})
def _build_service_structure(self, structure):
"""
Builds an MDS service structure
"""
vpools = {}
storagerouters = {}
storagedrivers = {}
services = {}
mds_services = {}
service_type = ServiceType()
service_type.name = 'MetadataServer'
service_type.save()
for vpool_id in structure['vpools']:
vpool = VPool()
vpool.name = str(vpool_id)
vpool.backend_type = BackendType()
vpool.save()
vpools[vpool_id] = vpool
for sr_id in structure['storagerouters']:
storagerouter = StorageRouter()
storagerouter.name = str(sr_id)
storagerouter.ip = '10.0.0.{0}'.format(sr_id)
storagerouter.pmachine = PMachine()
storagerouter.save()
storagerouters[sr_id] = storagerouter
for sd_info in structure['storagedrivers']:
sd_id, vpool_id, sr_id = sd_info
storagedriver = StorageDriver()
storagedriver.vpool = vpools[vpool_id]
storagedriver.storagerouter = storagerouters[sr_id]
storagedriver.name = str(sd_id)
storagedriver.mountpoint_temp = '/'
storagedriver.mountpoint_foc = '/'
storagedriver.mountpoint_readcaches = ['/']
storagedriver.mountpoint_writecaches = ['/']
storagedriver.mountpoint_temp = '/'
storagedriver.mountpoint_md = '/'
storagedriver.mountpoint_bfs = '/'
storagedriver.mountpoint_fragmentcache = '/'
storagedriver.mountpoint = '/'
storagedriver.cluster_ip = storagerouters[sr_id].ip
storagedriver.storage_ip = '127.0.0.1'
storagedriver.storagedriver_id = str(sd_id)
storagedriver.ports = [1, 2, 3]
storagedriver.save()
storagedrivers[sd_id] = storagedriver
for mds_info in structure['mds_services']:
mds_id, sd_id = mds_info
sd = storagedrivers[sd_id]
s_id = '{0}-{1}'.format(sd.storagerouter.name, mds_id)
service = Service()
service.name = s_id
service.storagerouter = sd.storagerouter
service.ports = [mds_id]
service.type = service_type
service.save()
services[s_id] = service
mds_service = MDSService()
mds_service.service = service
mds_service.number = 0
mds_service.capacity = 10
mds_service.vpool = sd.vpool
mds_service.save()
mds_services[mds_id] = mds_service
return vpools, storagerouters, storagedrivers, services, mds_services, service_type
def migrate(previous_version):
"""
Migrates from any version to any version, running all migrations required
If previous_version is for example 0 and this script is at
verison 3 it will execute two steps:
- 1 > 2
- 2 > 3
@param previous_version: The previous version from which to start the migration.
"""
working_version = previous_version
# Version 1 introduced:
# - The datastore is still empty, add defaults
if working_version < 1:
from ovs.dal.hybrids.user import User
from ovs.dal.hybrids.group import Group
from ovs.dal.hybrids.role import Role
from ovs.dal.hybrids.client import Client
from ovs.dal.hybrids.j_rolegroup import RoleGroup
from ovs.dal.hybrids.j_roleclient import RoleClient
from ovs.dal.hybrids.backendtype import BackendType
from ovs.dal.hybrids.servicetype import ServiceType
from ovs.dal.hybrids.branding import Branding
from ovs.dal.lists.backendtypelist import BackendTypeList
# Create groups
admin_group = Group()
admin_group.name = 'administrators'
admin_group.description = 'Administrators'
admin_group.save()
viewers_group = Group()
viewers_group.name = 'viewers'
viewers_group.description = 'Viewers'
viewers_group.save()
# Create users
admin = User()
admin.username = '******'
admin.password = hashlib.sha256('admin').hexdigest()
admin.is_active = True
admin.group = admin_group
admin.save()
# Create internal OAuth 2 clients
admin_pw_client = Client()
admin_pw_client.ovs_type = 'INTERNAL'
admin_pw_client.grant_type = 'PASSWORD'
admin_pw_client.user = admin
admin_pw_client.save()
admin_cc_client = Client()
admin_cc_client.ovs_type = 'INTERNAL'
admin_cc_client.grant_type = 'CLIENT_CREDENTIALS'
admin_cc_client.client_secret = ''.join(
random.choice(string.ascii_letters + string.digits +
'|_=+*#@!/-[]{}<>.?,\'";:~') for _ in range(128))
admin_cc_client.user = admin
admin_cc_client.save()
# Create roles
read_role = Role()
read_role.code = 'read'
read_role.name = 'Read'
read_role.description = 'Can read objects'
read_role.save()
write_role = Role()
write_role.code = 'write'
write_role.name = 'Write'
write_role.description = 'Can write objects'
write_role.save()
manage_role = Role()
manage_role.code = 'manage'
manage_role.name = 'Manage'
manage_role.description = 'Can manage the system'
manage_role.save()
# Attach groups to roles
mapping = [(admin_group, [read_role, write_role, manage_role]),
(viewers_group, [read_role])]
for setting in mapping:
for role in setting[1]:
rolegroup = RoleGroup()
rolegroup.group = setting[0]
rolegroup.role = role
rolegroup.save()
for user in setting[0].users:
for role in setting[1]:
for client in user.clients:
roleclient = RoleClient()
roleclient.client = client
roleclient.role = role
roleclient.save()
# Add backends
for backend_type_info in [('Ceph', 'ceph_s3'),
('Amazon', 'amazon_s3'),
('Swift', 'swift_s3'),
('Local', 'local'),
('Distributed', 'distributed'),
('ALBA', 'alba')]:
code = backend_type_info[1]
backend_type = BackendTypeList.get_backend_type_by_code(code)
if backend_type is None:
backend_type = BackendType()
backend_type.name = backend_type_info[0]
backend_type.code = code
backend_type.save()
# Add service types
for service_type_info in [
'MetadataServer', 'AlbaProxy', 'Arakoon'
]:
service_type = ServiceType()
service_type.name = service_type_info
service_type.save()
# Brandings
branding = Branding()
branding.name = 'Default'
branding.description = 'Default bootstrap theme'
branding.css = 'bootstrap-default.min.css'
branding.productname = 'Open vStorage'
branding.is_default = True
branding.save()
slate = Branding()
slate.name = 'Slate'
slate.description = 'Dark bootstrap theme'
slate.css = 'bootstrap-slate.min.css'
slate.productname = 'Open vStorage'
slate.is_default = False
slate.save()
# We're now at version 1
working_version = 1
# Version 2 introduced:
# - new Descriptor format
if working_version < 2:
import imp
from ovs.dal.helpers import Descriptor
from ovs.extensions.storage.persistentfactory import PersistentFactory
client = PersistentFactory.get_client()
keys = client.prefix('ovs_data', max_elements=-1)
for key in keys:
data = client.get(key)
modified = False
for entry in data.keys():
if isinstance(data[entry], dict) and 'source' in data[
entry] and 'hybrids' in data[entry]['source']:
filename = data[entry]['source']
if not filename.startswith('/'):
filename = '/opt/OpenvStorage/ovs/dal/{0}'.format(
filename)
module = imp.load_source(data[entry]['name'], filename)
cls = getattr(module, data[entry]['type'])
new_data = Descriptor(cls, cached=False).descriptor
if 'guid' in data[entry]:
new_data['guid'] = data[entry]['guid']
data[entry] = new_data
modified = True
if modified is True:
data['_version'] += 1
client.set(key, data)
# We're now at version 2
working_version = 2
# Version 3 introduced:
# - new Descriptor format
if working_version < 3:
import imp
from ovs.dal.helpers import Descriptor
from ovs.extensions.storage.persistentfactory import PersistentFactory
client = PersistentFactory.get_client()
keys = client.prefix('ovs_data', max_elements=-1)
for key in keys:
data = client.get(key)
modified = False
for entry in data.keys():
if isinstance(data[entry],
dict) and 'source' in data[entry]:
module = imp.load_source(data[entry]['name'],
data[entry]['source'])
cls = getattr(module, data[entry]['type'])
new_data = Descriptor(cls, cached=False).descriptor
if 'guid' in data[entry]:
new_data['guid'] = data[entry]['guid']
data[entry] = new_data
modified = True
if modified is True:
data['_version'] += 1
client.set(key, data)
working_version = 3
return working_version
def _prepare(self):
# Setup
failure_domain = FailureDomain()
failure_domain.name = 'Test'
failure_domain.save()
backend_type = BackendType()
backend_type.name = 'BackendType'
backend_type.code = 'BT'
backend_type.save()
vpool = VPool()
vpool.name = 'vpool'
vpool.backend_type = backend_type
vpool.save()
pmachine = PMachine()
pmachine.name = 'PMachine'
pmachine.username = '******'
pmachine.ip = '127.0.0.1'
pmachine.hvtype = 'KVM'
pmachine.save()
vmachine_1 = VMachine()
vmachine_1.name = 'vmachine_1'
vmachine_1.devicename = 'dummy'
vmachine_1.pmachine = pmachine
vmachine_1.is_vtemplate = True
vmachine_1.save()
vdisk_1_1 = VDisk()
vdisk_1_1.name = 'vdisk_1_1'
vdisk_1_1.volume_id = 'vdisk_1_1'
vdisk_1_1.vmachine = vmachine_1
vdisk_1_1.vpool = vpool
vdisk_1_1.devicename = 'dummy'
vdisk_1_1.size = 0
vdisk_1_1.save()
vdisk_1_1.reload_client()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.pmachine = pmachine
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.primary_failure_domain = failure_domain
storage_router.save()
storagedriver = StorageDriver()
storagedriver.vpool = vpool
storagedriver.storagerouter = storage_router
storagedriver.name = '1'
storagedriver.mountpoint = '/'
storagedriver.cluster_ip = storage_router.ip
storagedriver.storage_ip = '127.0.0.1'
storagedriver.storagedriver_id = '1'
storagedriver.ports = [1, 2, 3]
storagedriver.save()
service_type = ServiceType()
service_type.name = 'MetadataServer'
service_type.save()
s_id = '{0}-{1}'.format(storagedriver.storagerouter.name, '1')
service = Service()
service.name = s_id
service.storagerouter = storagedriver.storagerouter
service.ports = [1]
service.type = service_type
service.save()
mds_service = MDSService()
mds_service.service = service
mds_service.number = 0
mds_service.capacity = 10
mds_service.vpool = storagedriver.vpool
mds_service.save()
def ensure_safety(vdisk):
pass
class Dtl_Checkup():
@staticmethod
def delay(vpool_guid=None,
vdisk_guid=None,
storagerouters_to_exclude=None):
pass
MDSServiceController.ensure_safety = staticmethod(ensure_safety)
VDiskController.dtl_checkup = Dtl_Checkup
return vdisk_1_1, pmachine
def migrate(previous_version):
"""
Migrates from any version to any version, running all migrations required
If previous_version is for example 0 (0.0.1) and this script is at
verison 3 (0.0.3) it will execute two steps:
- 0.0.1 > 0.0.2
- 0.0.2 > 0.0.3
@param previous_version: The previous version from which to start the migration.
"""
working_version = previous_version
# Version 0.0.1 introduced:
if working_version < 1:
# Create groups
admin_group = Group()
admin_group.name = 'administrators'
admin_group.description = 'Administrators'
admin_group.save()
viewers_group = Group()
viewers_group.name = 'viewers'
viewers_group.description = 'Viewers'
viewers_group.save()
# Create users
admin = User()
admin.username = '******'
admin.password = hashlib.sha256('admin').hexdigest()
admin.is_active = True
admin.group = admin_group
admin.save()
# Create internal OAuth 2 clients
admin_client = Client()
admin_client.ovs_type = 'FRONTEND'
admin_client.grant_type = 'PASSWORD'
admin_client.user = admin
admin_client.save()
# Create roles
read_role = Role()
read_role.code = 'read'
read_role.name = 'Read'
read_role.description = 'Can read objects'
read_role.save()
write_role = Role()
write_role.code = 'write'
write_role.name = 'Write'
write_role.description = 'Can write objects'
write_role.save()
manage_role = Role()
manage_role.code = 'manage'
manage_role.name = 'Manage'
manage_role.description = 'Can manage the system'
manage_role.save()
# Attach groups to roles
mapping = [(admin_group, [read_role, write_role, manage_role]),
(viewers_group, [read_role])]
for setting in mapping:
for role in setting[1]:
rolegroup = RoleGroup()
rolegroup.group = setting[0]
rolegroup.role = role
rolegroup.save()
for user in setting[0].users:
for role in setting[1]:
roleclient = RoleClient()
roleclient.client = user.clients[0]
roleclient.role = role
roleclient.save()
# Add backends
for backend_type_info in [('Ceph', 'ceph_s3'),
('Amazon', 'amason_s3'),
('Swift', 'swift_s3'),
('Local', 'local'),
('Distributed', 'distributed'),
('ALBA', 'alba')]:
backend_type = BackendType()
backend_type.name = backend_type_info[0]
backend_type.code = backend_type_info[1]
backend_type.save()
# We're now at version 0.0.1
working_version = 1
# Version 0.0.2 introduced:
if working_version < 2:
# Execute some code that upgrades to version 2
# working_version = 2
pass
return working_version
def build_dal_structure(structure, previous_structure=None):
"""
Builds a service structure
Example:
structure = AlbaDalHelper.build_service_structure({
'alba_backends': [1],
'alba_nodes': [1]
})
"""
if previous_structure is None:
previous_structure = {}
alba_osds = previous_structure.get('alba_osds', {})
alba_nodes = previous_structure.get('alba_nodes', {})
backend_types = previous_structure.get('backend_types', {})
service_types = previous_structure.get('service_types', {})
alba_backends = previous_structure.get('alba_backends', {})
alba_abm_clusters = previous_structure.get('alba_abm_clusters', {})
alba_nsm_clusters = previous_structure.get('alba_nsm_clusters', {})
if 1 not in backend_types:
backend_type = BackendType()
backend_type.code = 'alba'
backend_type.name = 'ALBA'
backend_type.save()
backend_types[1] = backend_type
if 'AlbaManager' not in service_types:
service_type = ServiceTypeList.get_by_name('AlbaManager')
if service_type is None:
service_type = ServiceType()
service_type.name = 'AlbaManager'
service_type.save()
service_types['AlbaManager'] = service_type
if 'NamespaceManager' not in service_types:
service_type = ServiceTypeList.get_by_name('NamespaceManager')
if service_type is None:
service_type = ServiceType()
service_type.name = 'NamespaceManager'
service_type.save()
service_types['NamespaceManager'] = service_type
for ab_id, scaling in structure.get('alba_backends', ()):
if ab_id not in alba_backends:
backend = Backend()
backend.name = 'backend_{0}'.format(ab_id)
backend.backend_type = backend_types[1]
backend.save()
alba_backend = AlbaBackend()
alba_backend.backend = backend
alba_backend.scaling = getattr(AlbaBackend.SCALINGS, scaling)
alba_backend.alba_id = str(ab_id)
alba_backend.save()
alba_backends[ab_id] = alba_backend
for ab_id in structure.get('alba_abm_clusters', ()):
if ab_id not in alba_abm_clusters:
if ab_id not in alba_backends:
raise ValueError('Non-existing ALBA Backend ID provided')
alba_backend = alba_backends[ab_id]
abm_cluster = ABMCluster()
abm_cluster.name = '{0}-abm'.format(alba_backend.name)
abm_cluster.alba_backend = alba_backend
abm_cluster.config_location = '/ovs/arakoon/{0}-abm/config'.format(
alba_backend.name)
abm_cluster.save()
abm_service = Service()
abm_service.name = 'arakoon-{0}-abm'.format(alba_backend.name)
abm_service.type = service_types['AlbaManager']
abm_service.ports = []
abm_service.storagerouter = None
abm_service.save()
abm_junction_service = ABMService()
abm_junction_service.service = abm_service
abm_junction_service.abm_cluster = abm_cluster
abm_junction_service.save()
alba_abm_clusters[ab_id] = abm_cluster
for ab_id, amount in structure.get('alba_nsm_clusters', ()):
if ab_id not in alba_nsm_clusters or amount != len(
alba_nsm_clusters[ab_id]):
if ab_id not in alba_backends:
raise ValueError('Non-existing ALBA Backend ID provided')
alba_backend = alba_backends[ab_id]
alba_nsm_clusters[ab_id] = []
nsm_clusters = dict(
(nsm_cluster.number, nsm_cluster)
for nsm_cluster in alba_backend.nsm_clusters)
for number in range(amount):
if number in nsm_clusters:
alba_nsm_clusters[ab_id].append(nsm_clusters[number])
continue
nsm_cluster = NSMCluster()
nsm_cluster.name = '{0}-nsm_{1}'.format(
alba_backend.name, number)
nsm_cluster.number = number
nsm_cluster.alba_backend = alba_backend
nsm_cluster.config_location = '/ovs/arakoon/{0}-nsm_{1}/config'.format(
alba_backend.name, number)
nsm_cluster.save()
nsm_service = Service()
nsm_service.name = 'arakoon-{0}-nsm_{1}'.format(
alba_backend.name, number)
nsm_service.type = service_types['NamespaceManager']
nsm_service.ports = []
nsm_service.storagerouter = None
nsm_service.save()
nsm_junction_service = NSMService()
nsm_junction_service.service = nsm_service
nsm_junction_service.nsm_cluster = nsm_cluster
nsm_junction_service.save()
alba_nsm_clusters[ab_id].append(nsm_cluster)
for an_id in structure.get('alba_nodes', []):
if an_id not in alba_nodes:
alba_node = AlbaNode()
alba_node.ip = '10.1.0.{0}'.format(an_id)
alba_node.port = 8500
alba_node.username = str(an_id)
alba_node.password = str(an_id)
alba_node.node_id = 'node_{0}'.format(an_id)
alba_node.save()
alba_nodes[an_id] = alba_node
if alba_node in ManagerClientMockup.test_results:
ManagerClientMockup.test_results[alba_node].update(
{'get_metadata': {
'_version': 3
}})
else:
ManagerClientMockup.test_results[alba_node] = {
'get_metadata': {
'_version': 3
}
}
for ao_id, ab_id, an_id, slot_id in structure.get('alba_osds', ()):
if ao_id not in alba_osds:
osd = AlbaOSD()
osd.osd_id = 'alba_osd_{0}'.format(ao_id)
osd.osd_type = AlbaOSD.OSD_TYPES.ASD
osd.alba_backend = alba_backends[ab_id]
osd.alba_node = alba_nodes[an_id]
osd.slot_id = 'alba_slot_{0}'.format(slot_id)
osd.ips = ['127.0.0.{0}'.format(ao_id)]
osd.port = 35000 + ao_id
osd.save()
alba_osds[ao_id] = osd
return {
'alba_osds': alba_osds,
'alba_nodes': alba_nodes,
'backend_types': backend_types,
'service_types': service_types,
'alba_backends': alba_backends,
'alba_abm_clusters': alba_abm_clusters,
'alba_nsm_clusters': alba_nsm_clusters
}