def _configure_amqp_to_volumedriver():
Toolbox.log(logger=NodeTypeController._logger,
messages='Update existing vPools')
login = Configuration.get('/ovs/framework/messagequeue|user')
password = Configuration.get('/ovs/framework/messagequeue|password')
protocol = Configuration.get('/ovs/framework/messagequeue|protocol')
uris = []
for endpoint in Configuration.get(
'/ovs/framework/messagequeue|endpoints'):
uris.append({
'amqp_uri':
'{0}://{1}:{2}@{3}'.format(protocol, login, password, endpoint)
})
if Configuration.dir_exists('/ovs/vpools'):
for vpool_guid in Configuration.list('/ovs/vpools'):
for storagedriver_id in Configuration.list(
'/ovs/vpools/{0}/hosts'.format(vpool_guid)):
storagedriver_config = StorageDriverConfiguration(
vpool_guid, storagedriver_id)
storagedriver_config.configure_event_publisher(
events_amqp_routing_key=Configuration.get(
'/ovs/framework/messagequeue|queues.storagedriver'
),
events_amqp_uris=uris)
storagedriver_config.save()
def discover_nodes(cls):
# type: () -> Dict[str, AlbaNode]
"""
Discover nodes by querying the config mgmt
:return: The discovered nodes, mapped by their guid
:rtype: Dict[str, AlbaNode]
"""
nodes = {}
model_node_ids = set(node.node_id
for node in AlbaNodeList.get_albanodes())
found_node_ids = set()
node_ids_by_type = {}
for node_type, base_config_path in {
AlbaNode.NODE_TYPES.ASD: ASD_NODE_BASE_PATH,
AlbaNode.NODE_TYPES.S3: S3_NODE_BASE_PATH
}.iteritems():
if Configuration.dir_exists(base_config_path):
node_ids = Configuration.list(base_config_path)
node_ids_by_type[node_type] = node_ids
for node_type, node_ids in node_ids_by_type.iteritems():
for node_id in node_ids:
if node_id not in model_node_ids and node_id not in found_node_ids:
node = cls.model_volatile_node(node_id, node_type)
nodes[node.guid] = node
found_node_ids.add(node.node_id)
return nodes
def get_unused_arakoon_metadata_and_claim(cluster_type, locked=True):
"""
Retrieve arakoon cluster information based on its type
:param cluster_type: Type of arakoon cluster (See ServiceType.ARAKOON_CLUSTER_TYPES)
:type cluster_type: str
:param locked: Execute this in a locked context
:type locked: bool
:return: Metadata of the arakoon cluster
:rtype: dict
"""
cluster_type = cluster_type.upper()
if cluster_type not in ServiceType.ARAKOON_CLUSTER_TYPES:
raise ValueError('Unsupported arakoon cluster type provided. Please choose from {0}'.format(', '.join(ServiceType.ARAKOON_CLUSTER_TYPES)))
if not Configuration.dir_exists(ArakoonInstaller.CONFIG_ROOT):
return None
mutex = volatile_mutex('claim_arakoon_metadata', wait=10)
try:
if locked is True:
mutex.acquire()
for cluster_name in Configuration.list(ArakoonInstaller.CONFIG_ROOT):
config = ArakoonClusterConfig(cluster_id=cluster_name, filesystem=False)
config.load_config()
arakoon_client = ArakoonInstaller.build_client(config)
if arakoon_client.exists(ArakoonInstaller.METADATA_KEY):
metadata = json.loads(arakoon_client.get(ArakoonInstaller.METADATA_KEY))
if metadata['cluster_type'] == cluster_type and metadata['in_use'] is False and metadata['internal'] is False:
metadata['in_use'] = True
arakoon_client.set(ArakoonInstaller.METADATA_KEY, json.dumps(metadata, indent=4))
return metadata
finally:
if locked is True:
mutex.release()
def _configure_arakoon_to_volumedriver(cluster_name):
StorageDriverController._logger.info('Update existing vPools')
config = ArakoonClusterConfig(cluster_id=cluster_name)
arakoon_nodes = []
for node in config.nodes:
arakoon_nodes.append({
'host': node.ip,
'port': node.client_port,
'node_id': node.name
})
if Configuration.dir_exists('/ovs/vpools'):
for vpool_guid in Configuration.list('/ovs/vpools'):
for storagedriver_id in Configuration.list(
'/ovs/vpools/{0}/hosts'.format(vpool_guid)):
storagedriver_config = StorageDriverConfiguration(
'storagedriver', vpool_guid, storagedriver_id)
storagedriver_config.load()
storagedriver_config.configure_volume_registry(
vregistry_arakoon_cluster_id=cluster_name,
vregistry_arakoon_cluster_nodes=arakoon_nodes)
storagedriver_config.configure_distributed_lock_store(
dls_type='Arakoon',
dls_arakoon_cluster_id=cluster_name,
dls_arakoon_cluster_nodes=arakoon_nodes)
storagedriver_config.save()
def _revert_vpool_status(vpool,
status=VPool.STATUSES.RUNNING,
storagedriver=None,
client=None,
dirs_created=None):
"""
Remove the vPool being created or revert the vPool being extended
:return: None
:rtype: NoneType
"""
vpool.status = status
vpool.save()
if status == VPool.STATUSES.RUNNING:
if len(dirs_created) > 0:
try:
client.dir_delete(directories=dirs_created)
except Exception:
StorageRouterController._logger.warning(
'Failed to clean up following directories: {0}'.format(
', '.join(dirs_created)))
if storagedriver is not None:
for sdp in storagedriver.partitions:
sdp.delete()
for proxy in storagedriver.alba_proxies:
proxy.delete()
storagedriver.delete()
if len(vpool.storagedrivers) == 0:
vpool.delete()
if Configuration.dir_exists(
key='/ovs/vpools/{0}'.format(vpool.guid)):
Configuration.delete(
key='/ovs/vpools/{0}'.format(vpool.guid))
def remove_node(node_guid):
"""
Removes an ALBA node
:param node_guid: Guid of the ALBA node to remove
:type node_guid: str
:return: None
"""
node = AlbaNode(node_guid)
for disk in node.disks:
for osd in disk.osds:
AlbaNodeController.remove_asd(node_guid=osd.alba_disk.alba_node_guid, asd_id=osd.osd_id, expected_safety=None)
AlbaNodeController.remove_disk(node_guid=disk.alba_node_guid, device_alias=disk.aliases[0])
try:
for service_name in node.client.list_maintenance_services():
node.client.remove_maintenance_service(service_name)
except (requests.ConnectionError, requests.Timeout):
AlbaNodeController._logger.exception('Could not connect to node {0} to retrieve the maintenance services'.format(node.guid))
except InvalidCredentialsError:
AlbaNodeController._logger.warning('Failed to retrieve the maintenance services for ALBA node {0}'.format(node.node_id))
if Configuration.dir_exists('/ovs/alba/asdnodes/{0}'.format(node.node_id)):
Configuration.delete('/ovs/alba/asdnodes/{0}'.format(node.node_id))
node.delete()
def model_albanodes(**kwargs):
"""
Add all ALBA nodes known to the config platform to the model
:param kwargs: Kwargs containing information regarding the node
:type kwargs: dict
:return: None
:rtype: NoneType
"""
_ = kwargs
if Configuration.dir_exists('/ovs/alba/asdnodes'):
for node_id in Configuration.list('/ovs/alba/asdnodes'):
node = AlbaNodeList.get_albanode_by_node_id(node_id)
if node is None:
node = AlbaNode()
main_config = Configuration.get(
'/ovs/alba/asdnodes/{0}/config/main'.format(node_id))
node.type = 'ASD'
node.node_id = node_id
node.ip = main_config['ip']
node.port = main_config['port']
node.username = main_config['username']
node.password = main_config['password']
node.storagerouter = StorageRouterList.get_by_ip(
main_config['ip'])
node.save()
def _get_free_ports(client):
node_name = System.get_my_machine_id(client)
clusters = []
exclude_ports = []
if Configuration.dir_exists(ArakoonInstaller.CONFIG_ROOT):
for cluster_name in Configuration.list(ArakoonInstaller.CONFIG_ROOT):
config = ArakoonClusterConfig(cluster_name, False)
config.load_config()
for node in config.nodes:
if node.name == node_name:
clusters.append(cluster_name)
exclude_ports.append(node.client_port)
exclude_ports.append(node.messaging_port)
ports = System.get_free_ports(Configuration.get('/ovs/framework/hosts/{0}/ports|arakoon'.format(node_name)), exclude_ports, 2, client)
ArakoonInstaller._logger.debug(' Loaded free ports {0} based on existing clusters {1}'.format(ports, clusters))
return ports
def _resave_all_config_entries(config_path='/ovs'):
"""
Recursive functions which checks every config management key if its a directory or not.
If not a directory, we retrieve the config and just save it again using the new indentation logic
"""
for item in Configuration.list(config_path):
new_path = config_path + '/' + item
print new_path
if Configuration.dir_exists(new_path) is True:
_resave_all_config_entries(config_path=new_path)
else:
try:
_config = Configuration.get(new_path)
Configuration.set(new_path, _config)
except:
_config = Configuration.get(new_path, raw=True)
Configuration.set(new_path, _config, raw=True)
def _configure_amqp_to_volumedriver():
Toolbox.log(logger=NodeTypeController._logger, messages='Update existing vPools')
login = Configuration.get('/ovs/framework/messagequeue|user')
password = Configuration.get('/ovs/framework/messagequeue|password')
protocol = Configuration.get('/ovs/framework/messagequeue|protocol')
uris = []
for endpoint in Configuration.get('/ovs/framework/messagequeue|endpoints'):
uris.append({'amqp_uri': '{0}://{1}:{2}@{3}'.format(protocol, login, password, endpoint)})
if Configuration.dir_exists('/ovs/vpools'):
for vpool_guid in Configuration.list('/ovs/vpools'):
for storagedriver_id in Configuration.list('/ovs/vpools/{0}/hosts'.format(vpool_guid)):
storagedriver_config = StorageDriverConfiguration('storagedriver', vpool_guid, storagedriver_id)
storagedriver_config.load()
storagedriver_config.configure_event_publisher(events_amqp_routing_key=Configuration.get('/ovs/framework/messagequeue|queues.storagedriver'),
events_amqp_uris=uris)
storagedriver_config.save()
def get_unused_arakoon_metadata_and_claim(cluster_type, locked=True):
"""
Retrieve arakoon cluster information based on its type
:param cluster_type: Type of arakoon cluster (See ServiceType.ARAKOON_CLUSTER_TYPES)
:type cluster_type: str
:param locked: Execute this in a locked context
:type locked: bool
:return: Metadata of the arakoon cluster
:rtype: dict
"""
cluster_type = cluster_type.upper()
if cluster_type not in ServiceType.ARAKOON_CLUSTER_TYPES:
raise ValueError(
'Unsupported arakoon cluster type provided. Please choose from {0}'
.format(', '.join(ServiceType.ARAKOON_CLUSTER_TYPES)))
if not Configuration.dir_exists(ArakoonInstaller.CONFIG_ROOT):
return None
mutex = volatile_mutex('claim_arakoon_metadata', wait=10)
try:
if locked is True:
mutex.acquire()
for cluster_name in Configuration.list(
ArakoonInstaller.CONFIG_ROOT):
config = ArakoonClusterConfig(cluster_id=cluster_name,
filesystem=False)
config.load_config()
arakoon_client = ArakoonInstaller.build_client(config)
if arakoon_client.exists(ArakoonInstaller.METADATA_KEY):
metadata = json.loads(
arakoon_client.get(ArakoonInstaller.METADATA_KEY))
if metadata['cluster_type'] == cluster_type and metadata[
'in_use'] is False and metadata[
'internal'] is False:
metadata['in_use'] = True
arakoon_client.set(ArakoonInstaller.METADATA_KEY,
json.dumps(metadata, indent=4))
return metadata
finally:
if locked is True:
mutex.release()
def _configure_arakoon_to_volumedriver(cluster_name):
StorageDriverController._logger.info('Update existing vPools')
config = ArakoonClusterConfig(cluster_id=cluster_name, filesystem=False)
config.load_config()
arakoon_nodes = []
for node in config.nodes:
arakoon_nodes.append({'host': node.ip,
'port': node.client_port,
'node_id': node.name})
if Configuration.dir_exists('/ovs/vpools'):
for vpool_guid in Configuration.list('/ovs/vpools'):
for storagedriver_id in Configuration.list('/ovs/vpools/{0}/hosts'.format(vpool_guid)):
storagedriver_config = StorageDriverConfiguration('storagedriver', vpool_guid, storagedriver_id)
storagedriver_config.load()
storagedriver_config.configure_volume_registry(vregistry_arakoon_cluster_id=cluster_name,
vregistry_arakoon_cluster_nodes=arakoon_nodes)
storagedriver_config.configure_distributed_lock_store(dls_type='Arakoon',
dls_arakoon_cluster_id=cluster_name,
dls_arakoon_cluster_nodes=arakoon_nodes)
storagedriver_config.save(reload_config=True)
def model_albanodes(**kwargs):
"""
Add all ALBA nodes known to the config platform to the model
:param kwargs: Kwargs containing information regarding the node
:type kwargs: dict
:return: None
"""
_ = kwargs
if Configuration.dir_exists('/ovs/alba/asdnodes'):
for node_id in Configuration.list('/ovs/alba/asdnodes'):
node = AlbaNodeList.get_albanode_by_node_id(node_id)
if node is None:
node = AlbaNode()
main_config = Configuration.get('/ovs/alba/asdnodes/{0}/config/main'.format(node_id))
node.type = 'ASD'
node.node_id = node_id
node.ip = main_config['ip']
node.port = main_config['port']
node.username = main_config['username']
node.password = main_config['password']
node.storagerouter = StorageRouterList.get_by_ip(main_config['ip'])
node.save()
def _get_free_ports(client):
node_name = System.get_my_machine_id(client)
clusters = []
exclude_ports = []
if Configuration.dir_exists(ArakoonInstaller.CONFIG_ROOT):
for cluster_name in Configuration.list(
ArakoonInstaller.CONFIG_ROOT):
config = ArakoonClusterConfig(cluster_name, False)
config.load_config()
for node in config.nodes:
if node.name == node_name:
clusters.append(cluster_name)
exclude_ports.append(node.client_port)
exclude_ports.append(node.messaging_port)
ports = System.get_free_ports(
Configuration.get(
'/ovs/framework/hosts/{0}/ports|arakoon'.format(node_name)),
exclude_ports, 2, client)
ArakoonInstaller._logger.debug(
' Loaded free ports {0} based on existing clusters {1}'.format(
ports, clusters))
return ports
def revert_vpool(self, status):
"""
Remove the vPool being created or revert the vPool being extended
:param status: Status to put the vPool in
:type status: ovs.dal.hybrids.vpool.VPool.STATUSES
:return: None
:rtype: NoneType
"""
self.vpool.status = status
self.vpool.save()
if status == VPool.STATUSES.RUNNING:
if self.sr_installer is not None:
try:
self.sr_installer.root_client.dir_delete(
directories=self.sr_installer.created_dirs)
except Exception:
self._logger.warning(
'Failed to clean up following directories: {0}'.format(
', '.join(self.sr_installer.created_dirs)))
if self.sd_installer is not None and self.sd_installer.storagedriver is not None:
for sdp in self.sd_installer.storagedriver.partitions:
sdp.delete()
for proxy in self.sd_installer.storagedriver.alba_proxies:
proxy.delete()
self.sd_installer.storagedriver.delete()
if len(self.vpool.storagedrivers) == 0:
self.vpool.delete()
if Configuration.dir_exists(
key='/ovs/vpools/{0}'.format(self.vpool.guid)):
Configuration.delete(
key='/ovs/vpools/{0}'.format(self.vpool.guid))
elif status == VPool.STATUSES.FAILURE:
# In case of failure status the cluster registry settings have already been adapted, so revert
self.configure_cluster_registry(
exclude=[self.sd_installer.storagedriver])
def create_cluster(cluster_name,
cluster_type,
ip,
base_dir,
plugins=None,
locked=True,
internal=True,
filesystem=False,
ports=None):
"""
Always creates a cluster but marks it's usage according to the internal flag
:param cluster_name: Name of the cluster
:type cluster_name: str
:param cluster_type: Type of the cluster (See ServiceType.ARAKOON_CLUSTER_TYPES)
:type cluster_type: str
:param ip: IP address of the first node of the new cluster
:type ip: str
:param base_dir: Base directory that should contain the data and tlogs
:type base_dir: str
:param plugins: Plugins that should be added to the configuration file
:type plugins: list
:param locked: Indicates whether the create should run in a locked context (e.g. to prevent port conflicts)
:type locked: bool
:param internal: Is cluster internally managed by OVS
:type internal: bool
:param filesystem: Indicates whether the configuration should be on the filesystem or in a configuration cluster
:type filesystem: bool
:param ports: A list of ports to be used for this cluster's node
:type ports: list
:return: Ports used by arakoon cluster
:rtype: dict
"""
if cluster_type not in ServiceType.ARAKOON_CLUSTER_TYPES:
raise ValueError(
'Cluster type {0} is not supported. Please choose from {1}'.
format(cluster_type,
', '.join(ServiceType.ARAKOON_CLUSTER_TYPES)))
client = SSHClient(ip, username=ArakoonInstaller.SSHCLIENT_USER)
if filesystem is True:
exists = client.file_exists(
ArakoonClusterConfig.CONFIG_FILE.format(cluster_name))
else:
exists = Configuration.dir_exists(
'/ovs/arakoon/{0}'.format(cluster_name))
if exists is True:
raise ValueError(
'An Arakoon cluster with name "{0}" already exists'.format(
cluster_name))
ArakoonInstaller._logger.debug('Creating cluster {0} on {1}'.format(
cluster_name, ip))
node_name = System.get_my_machine_id(client)
base_dir = base_dir.rstrip('/')
home_dir = ArakoonInstaller.ARAKOON_HOME_DIR.format(
base_dir, cluster_name)
tlog_dir = ArakoonInstaller.ARAKOON_TLOG_DIR.format(
base_dir, cluster_name)
ArakoonInstaller.clean_leftover_arakoon_data(ip, [home_dir, tlog_dir])
port_mutex = None
try:
if locked is True:
from ovs.extensions.generic.volatilemutex import volatile_mutex
port_mutex = volatile_mutex(
'arakoon_install_ports_{0}'.format(ip))
port_mutex.acquire(wait=60)
if ports is None:
ports = ArakoonInstaller._get_free_ports(client)
config = ArakoonClusterConfig(cluster_name, filesystem, plugins)
config.nodes.append(
ArakoonNodeConfig(
name=node_name,
ip=ip,
client_port=ports[0],
messaging_port=ports[1],
log_sinks=LogHandler.get_sink_path('arakoon_server'),
crash_log_sinks=LogHandler.get_sink_path(
'arakoon_server_crash'),
home=home_dir,
tlog_dir=tlog_dir))
metadata = {
'internal': internal,
'cluster_name': cluster_name,
'cluster_type': cluster_type.upper(),
'in_use': False
}
ArakoonInstaller._deploy(config, filesystem=filesystem)
finally:
if port_mutex is not None:
port_mutex.release()
ArakoonInstaller._logger.debug(
'Creating cluster {0} on {1} completed'.format(cluster_name, ip))
return {
'metadata': metadata,
'client_port': ports[0],
'messaging_port': ports[1]
}
def create_cluster(cluster_name, cluster_type, ip, base_dir, plugins=None, locked=True, internal=True, filesystem=False, ports=None):
"""
Always creates a cluster but marks it's usage according to the internal flag
:param cluster_name: Name of the cluster
:type cluster_name: str
:param cluster_type: Type of the cluster (See ServiceType.ARAKOON_CLUSTER_TYPES)
:type cluster_type: str
:param ip: IP address of the first node of the new cluster
:type ip: str
:param base_dir: Base directory that should contain the data and tlogs
:type base_dir: str
:param plugins: Plugins that should be added to the configuration file
:type plugins: dict
:param locked: Indicates whether the create should run in a locked context (e.g. to prevent port conflicts)
:type locked: bool
:param internal: Is cluster internally managed by OVS
:type internal: bool
:param filesystem: Indicates whether the configuration should be on the filesystem or in a configuration cluster
:type filesystem: bool
:param ports: A list of ports to be used for this cluster's node
:type ports: list
:return: Ports used by arakoon cluster
:rtype: dict
"""
if cluster_type not in ServiceType.ARAKOON_CLUSTER_TYPES:
raise ValueError('Cluster type {0} is not supported. Please choose from {1}'.format(cluster_type, ', '.join(ServiceType.ARAKOON_CLUSTER_TYPES)))
client = SSHClient(ip, username=ArakoonInstaller.SSHCLIENT_USER)
if filesystem is True:
exists = client.file_exists(ArakoonClusterConfig.CONFIG_FILE.format(cluster_name))
else:
exists = Configuration.dir_exists('/ovs/arakoon/{0}'.format(cluster_name))
if exists is True:
raise ValueError('An Arakoon cluster with name "{0}" already exists'.format(cluster_name))
ArakoonInstaller._logger.debug('Creating cluster {0} on {1}'.format(cluster_name, ip))
node_name = System.get_my_machine_id(client)
base_dir = base_dir.rstrip('/')
home_dir = ArakoonInstaller.ARAKOON_HOME_DIR.format(base_dir, cluster_name)
tlog_dir = ArakoonInstaller.ARAKOON_TLOG_DIR.format(base_dir, cluster_name)
ArakoonInstaller.clean_leftover_arakoon_data(ip, [home_dir, tlog_dir])
port_mutex = None
try:
if locked is True:
from ovs.extensions.generic.volatilemutex import volatile_mutex
port_mutex = volatile_mutex('arakoon_install_ports_{0}'.format(ip))
port_mutex.acquire(wait=60)
if ports is None:
ports = ArakoonInstaller._get_free_ports(client)
config = ArakoonClusterConfig(cluster_name, filesystem, plugins.keys() if plugins is not None else None)
config.nodes.append(ArakoonNodeConfig(name=node_name,
ip=ip,
client_port=ports[0],
messaging_port=ports[1],
log_sinks=LogHandler.get_sink_path('arakoon_server'),
crash_log_sinks=LogHandler.get_sink_path('arakoon_server_crash'),
home=home_dir,
tlog_dir=tlog_dir))
metadata = {'internal': internal,
'cluster_name': cluster_name,
'cluster_type': cluster_type.upper(),
'in_use': False}
service_metadata = ArakoonInstaller._deploy(config=config,
filesystem=filesystem,
plugins=plugins.values() if plugins is not None else None,
delay_service_registration=cluster_type == ServiceType.ARAKOON_CLUSTER_TYPES.CFG)[ip]
finally:
if port_mutex is not None:
port_mutex.release()
ArakoonInstaller._logger.debug('Creating cluster {0} on {1} completed'.format(cluster_name, ip))
return {'metadata': metadata,
'client_port': ports[0],
'messaging_port': ports[1],
'service_metadata': service_metadata}
def migrate(previous_version, master_ips=None, extra_ips=None):
"""
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
:param master_ips: IP addresses of the MASTER nodes
:type master_ips: list or None
:param extra_ips: IP addresses of the EXTRA nodes
:type extra_ips: list or None
"""
_ = master_ips, extra_ips
working_version = previous_version
# From here on, all actual migration should happen to get to the expected state for THIS RELEASE
if working_version < ExtensionMigrator.THIS_VERSION:
try:
from ovs.dal.lists.storagerouterlist import StorageRouterList
from ovs.dal.lists.vpoollist import VPoolList
from ovs.extensions.generic.configuration import Configuration
from ovs.extensions.services.servicefactory import ServiceFactory
from ovs.extensions.generic.sshclient import SSHClient
from ovs.extensions.generic.system import System
local_machine_id = System.get_my_machine_id()
local_ip = Configuration.get(
'/ovs/framework/hosts/{0}/ip'.format(local_machine_id))
local_client = SSHClient(endpoint=local_ip, username='******')
# Multiple Proxies
if local_client.dir_exists(
directory=
'/opt/OpenvStorage/config/storagedriver/storagedriver'
):
local_client.dir_delete(directories=[
'/opt/OpenvStorage/config/storagedriver/storagedriver'
])
# MDS safety granularity on vPool level
mds_safety_key = '/ovs/framework/storagedriver'
if Configuration.exists(key=mds_safety_key):
current_mds_settings = Configuration.get(
key=mds_safety_key)
for vpool in VPoolList.get_vpools():
vpool_key = '/ovs/vpools/{0}'.format(vpool.guid)
if Configuration.dir_exists(key=vpool_key):
Configuration.set(
key='{0}/mds_config'.format(vpool_key),
value=current_mds_settings)
Configuration.delete(key=mds_safety_key)
# Introduction of edition key
if Configuration.get(key=Configuration.EDITION_KEY,
default=None) not in [
PackageFactory.EDITION_COMMUNITY,
PackageFactory.EDITION_ENTERPRISE
]:
for storagerouter in StorageRouterList.get_storagerouters(
):
try:
Configuration.set(
key=Configuration.EDITION_KEY,
value=storagerouter.features['alba']
['edition'])
break
except:
continue
except:
ExtensionMigrator._logger.exception(
'Error occurred while executing the migration code')
# Don't update migration version with latest version, resulting in next migration trying again to execute this code
return ExtensionMigrator.THIS_VERSION - 1
return ExtensionMigrator.THIS_VERSION
def list(self, discover=False, ip=None, node_id=None):
"""
Lists all available ALBA Nodes
:param discover: If True and IP provided, return list of single ALBA node, If True and no IP provided, return all ALBA nodes else return modeled ALBA nodes
:type discover: bool
:param ip: IP of ALBA node to retrieve
:type ip: str
:param node_id: ID of the ALBA node
:type node_id: str
"""
if discover is False and (ip is not None or node_id is not None):
raise HttpNotAcceptableException(error_description='Discover is mutually exclusive with IP and nodeID',
error='invalid_data')
if (ip is None and node_id is not None) or (ip is not None and node_id is None):
raise HttpNotAcceptableException(error_description='Both IP and nodeID need to be specified',
error='invalid_data')
if discover is False:
return AlbaNodeList.get_albanodes()
if ip is not None:
node = AlbaNode(volatile=True)
node.ip = ip
node.type = 'ASD'
node.node_id = node_id
node.port = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|port'.format(node_id))
node.username = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|username'.format(node_id))
node.password = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|password'.format(node_id))
data = node.client.get_metadata()
if data['_success'] is False and data['_error'] == 'Invalid credentials':
raise HttpNotAcceptableException(error_description='Invalid credentials',
error='invalid_data')
if data['node_id'] != node_id:
raise HttpNotAcceptableException(error_description='Unexpected node identifier. {0} vs {1}'.format(data['node_id'], node_id),
error='invalid_data')
node_list = DataList(AlbaNode, {})
node_list._executed = True
node_list._guids = [node.guid]
node_list._objects = {node.guid: node}
node_list._data = {node.guid: {'guid': node.guid, 'data': node._data}}
return node_list
nodes = {}
model_node_ids = [node.node_id for node in AlbaNodeList.get_albanodes()]
found_node_ids = []
asd_node_ids = []
if Configuration.dir_exists('/ovs/alba/asdnodes'):
asd_node_ids = Configuration.list('/ovs/alba/asdnodes')
for node_id in asd_node_ids:
node = AlbaNode(volatile=True)
node.type = 'ASD'
node.node_id = node_id
node.ip = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|ip'.format(node_id))
node.port = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|port'.format(node_id))
node.username = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|username'.format(node_id))
node.password = Configuration.get('/ovs/alba/asdnodes/{0}/config/main|password'.format(node_id))
if node.node_id not in model_node_ids and node.node_id not in found_node_ids:
nodes[node.guid] = node
found_node_ids.append(node.node_id)
node_list = DataList(AlbaNode, {})
node_list._executed = True
node_list._guids = nodes.keys()
node_list._objects = nodes
node_list._data = dict([(node.guid, {'guid': node.guid, 'data': node._data}) for node in nodes.values()])
return node_list
def validate_alba_backend_sanity_without_claimed_disks(alba_backend):
"""
Validate whether the ALBA backend is configured correctly
:param alba_backend: ALBA backend
:return: None
"""
# Attribute validation
assert alba_backend.available is True,\
'ALBA backend {0} is not available'.format(alba_backend.backend.name)
assert len(alba_backend.presets) >= 1,\
'No preset found for ALBA backend {0}'.format(alba_backend.backend.name)
assert len([default for default in alba_backend.presets if default['is_default'] is True]) == 1,\
'Could not find default preset for backend {0}'.format(alba_backend.backend.name)
assert alba_backend.backend.backend_type.code == 'alba',\
'Backend type for ALBA backend is {0}'.format(alba_backend.backend.backend_type.code)
assert alba_backend.backend.status == 'RUNNING',\
'Status for ALBA backend is {0}'.format(alba_backend.backend.status)
# Validate ABM and NSM services
storagerouters = GeneralStorageRouter.get_storage_routers()
storagerouters_with_db_role = [sr for sr in storagerouters if GeneralStorageRouter.has_roles(storagerouter=sr, roles='DB') is True and sr.node_type == 'MASTER']
assert len(alba_backend.abm_services) == len(storagerouters_with_db_role),\
'Not enough ABM services found'
assert len(alba_backend.nsm_services) == len(storagerouters_with_db_role),\
'Not enough NSM services found'
# Validate ALBA backend configuration structure
alba_backend_key = '/ovs/alba/backends'
assert Configuration.dir_exists(key=alba_backend_key) is True,\
'Configuration does not contain key {0}'.format(alba_backend_key)
actual_config_keys = [key for key in Configuration.list(alba_backend_key)]
expected_config_keys = ['global_gui_error_interval', alba_backend.guid, 'default_nsm_hosts']
optional_config_keys = ['verification_factor']
expected_keys_amount = 0
for optional_key in optional_config_keys:
if optional_key in actual_config_keys:
expected_keys_amount += 1
for expected_key in expected_config_keys:
if not re.match(Toolbox.regex_guid, expected_key):
expected_keys_amount += 1
assert expected_key in actual_config_keys,\
'Key {0} was not found in tree {1}'.format(expected_key, alba_backend_key)
for actual_key in list(actual_config_keys):
if re.match(Toolbox.regex_guid, actual_key):
actual_config_keys.remove(actual_key) # Remove all alba backend keys
assert len(actual_config_keys) == expected_keys_amount,\
'Another key was added to the {0} tree'.format(alba_backend_key)
this_alba_backend_key = '{0}/{1}'.format(alba_backend_key, alba_backend.guid)
actual_keys = [key for key in Configuration.list(this_alba_backend_key)]
expected_keys = ['maintenance']
assert actual_keys == expected_keys,\
'Actual keys: {0} - Expected keys: {1}'.format(actual_keys, expected_keys)
maintenance_key = '{0}/maintenance'.format(this_alba_backend_key)
actual_keys = [key for key in Configuration.list(maintenance_key)]
expected_keys = ['nr_of_agents', 'config']
assert set(actual_keys) == set(expected_keys),\
'Actual keys: {0} - Expected keys: {1}'.format(actual_keys, expected_keys)
# @TODO: Add validation for config values
# Validate ASD node configuration structure
alba_nodes = GeneralAlba.get_alba_nodes()
assert len(alba_nodes) > 0,\
'Could not find any ALBA nodes in the model'
alba_node_key = '/ovs/alba/asdnodes'
actual_keys = [key for key in Configuration.list(alba_node_key)]
assert len(alba_nodes) == len(actual_keys),\
'Amount of ALBA nodes in model: {0} >< amount of ALBA nodes in configuration: {1}.'.format(len(alba_nodes),
len(actual_keys))
for alba_node in alba_nodes:
assert alba_node.node_id in actual_keys,\
'ALBA node with ID {0} not present in configuration'.format(alba_node.node_id)
actual_asdnode_keys = [key for key in Configuration.list('{0}/{1}'.format(alba_node_key, alba_node.node_id))]
expected_asdnode_keys = ['config', 'services']
assert actual_asdnode_keys == expected_asdnode_keys,\
'Actual keys: {0} - Expected keys: {1}'.format(actual_asdnode_keys, expected_asdnode_keys)
actual_config_keys = [key for key in Configuration.list('{0}/{1}/config'.format(alba_node_key, alba_node.node_id))]
expected_config_keys = ['main', 'network']
assert set(actual_config_keys) == set(expected_config_keys),\
'Actual keys: {0} - Expected keys: {1}'.format(actual_config_keys, expected_config_keys)
# @TODO: Add validation for main and network values
# Validate Arakoon configuration structure
arakoon_abm_key = '/ovs/arakoon/{0}/config'.format(alba_backend.abm_services[0].service.name).replace('arakoon-', '')
arakoon_nsm_key = '/ovs/arakoon/{0}/config'.format(alba_backend.nsm_services[0].service.name).replace('arakoon-', '')
assert Configuration.exists(key=arakoon_abm_key, raw=True) is True,\
'Configuration key {0} does not exist'.format(arakoon_abm_key)
assert Configuration.exists(key=arakoon_nsm_key, raw=True) is True,\
'Configuration key {0} does not exist'.format(arakoon_nsm_key)
# @TODO: Add validation for config values
# Validate maintenance agents
actual_amount_agents = len([service for node_services in [alba_node.client.list_maintenance_services() for alba_node in alba_nodes] for service in node_services])
expected_amount_agents = 1
assert actual_amount_agents == expected_amount_agents,\
'Amount of maintenance agents is incorrect. Found {0} - Expected {1}'.format(actual_amount_agents,
expected_amount_agents)
# Validate arakoon services
machine_ids = [sr.machine_id for sr in storagerouters_with_db_role]
abm_service_name = alba_backend.abm_services[0].service.name
nsm_service_name = alba_backend.nsm_services[0].service.name
for storagerouter in storagerouters_with_db_role:
root_client = SSHClient(endpoint=storagerouter, username='******')
for service_name in [abm_service_name, nsm_service_name]:
assert GeneralService.has_service(name=service_name, client=root_client) is True,\
'Service {0} not deployed on Storage Router {1}'.format(service_name, storagerouter.name)
exitcode, output = GeneralService.get_service_status(name=service_name, client=root_client)
assert exitcode is True,\
'Service {0} not running on Storage Router {1} - {2}'.format(service_name, storagerouter.name,
output)
out, err, _ = General.execute_command('arakoon --who-master -config {0}'.format(Configuration.get_configuration_path('/ovs/arakoon/{0}/config'.format(abm_service_name.replace('arakoon-', '')))))
assert out.strip() in machine_ids,\
'Arakoon master is {0}, but should be 1 of "{1}"'.format(out.strip(), ', '.join(machine_ids))
