def list(self, diskguid=None):
"""
Overview of all disks
"""
if diskguid is not None:
disk = Disk(diskguid)
return disk.partitions
return DiskPartitionList.get_partitions()
def _model_disk(cls, generic_disk_model, storagerouter):
# type: (GenericDisk, StorageRouter) -> Disk
"""
Models a disk
:param generic_disk_model: The generic modeled disk (returned by Disktools)
:type generic_disk_model: GenericDisk
:param storagerouter: Storagerouter to which this disk belongs
:type storagerouter: StorageRouter
:return: The newly modeled disk
:rtype: Disk
"""
DiskController._logger.info('Disk {0} - Creating disk - {1}'.format(generic_disk_model.name, generic_disk_model.__dict__))
disk = Disk()
disk.storagerouter = storagerouter
disk.name = generic_disk_model.name
DiskController._update_disk(disk, generic_disk_model)
for partition in generic_disk_model.partitions: # type: GenericPartition
cls._model_partition(partition, disk)
return disk
def list(self, diskguid=None):
"""
Overview of all disks
:param diskguid: Disk guid to get the partitions from
:type diskguid: str
"""
if diskguid is not None:
disk = Disk(diskguid)
return disk.partitions
return DiskPartitionList.get_partitions()
def configure_disk(storagerouter_guid, disk_guid, partition_guid, offset,
size, roles):
"""
Configures a partition
:param storagerouter_guid: Guid of the StorageRouter to configure a disk on
:type storagerouter_guid: str
:param disk_guid: Guid of the disk to configure
:type disk_guid: str
:param partition_guid: Guid of the partition on the disk
:type partition_guid: str
:param offset: Offset for the partition
:type offset: int
:param size: Size of the partition
:type size: int
:param roles: Roles assigned to the partition
:type roles: list
:return: None
:rtype: NoneType
"""
# Validations
storagerouter = StorageRouter(storagerouter_guid)
for role in roles:
if role not in DiskPartition.ROLES or role == DiskPartition.ROLES.BACKEND:
raise RuntimeError('Invalid role specified: {0}'.format(role))
disk = Disk(disk_guid)
if disk.storagerouter_guid != storagerouter_guid:
raise RuntimeError(
'The given Disk is not on the given StorageRouter')
for partition in disk.partitions:
if DiskPartition.ROLES.BACKEND in partition.roles:
raise RuntimeError('The given Disk is in use by a Backend')
if len({DiskPartition.ROLES.DB, DiskPartition.ROLES.DTL}.intersection(
set(roles))) > 0:
roles_on_sr = StorageRouterController._get_roles_on_storagerouter(
storagerouter.ip)
for role in [DiskPartition.ROLES.DB, DiskPartition.ROLES.DTL]:
if role in roles_on_sr and role in roles and roles_on_sr[role][
0] != disk.name: # DB and DTL roles still have to be unassignable
raise RoleDuplicationException(
'Disk {0} cannot have the {1} role due to presence on disk {2}'
.format(disk.name, role, roles_on_sr[role][0]))
# Create partition
if partition_guid is None:
StorageRouterController._logger.debug(
'Creating new partition - Offset: {0} bytes - Size: {1} bytes - Roles: {2}'
.format(offset, size, roles))
with remote(storagerouter.ip, [DiskTools], username='******') as rem:
if len(disk.aliases) == 0:
raise ValueError(
'Disk {0} does not have any aliases'.format(disk.name))
rem.DiskTools.create_partition(disk_alias=disk.aliases[0],
disk_size=disk.size,
partition_start=offset,
partition_size=size)
DiskController.sync_with_reality(storagerouter_guid)
disk = Disk(disk_guid)
end_point = offset + size
partition = None
for part in disk.partitions:
if offset < part.offset + part.size and end_point > part.offset:
partition = part
break
if partition is None:
raise RuntimeError(
'No new partition detected on disk {0} after having created 1'
.format(disk.name))
StorageRouterController._logger.debug('Partition created')
else:
StorageRouterController._logger.debug('Using existing partition')
partition = DiskPartition(partition_guid)
if partition.disk_guid != disk_guid:
raise RuntimeError(
'The given DiskPartition is not on the given Disk')
if partition.filesystem in [
'swap', 'linux_raid_member', 'LVM2_member'
]:
raise RuntimeError(
"It is not allowed to assign roles on partitions of type: ['swap', 'linux_raid_member', 'LVM2_member']"
)
metadata = StorageRouterController.get_metadata(storagerouter_guid)
partition_info = metadata['partitions']
removed_roles = set(partition.roles) - set(roles)
used_roles = []
for role in removed_roles:
for info in partition_info[role]:
if info['in_use'] and info['guid'] == partition.guid:
used_roles.append(role)
if len(used_roles) > 0:
raise RuntimeError(
'Roles in use cannot be removed. Used roles: {0}'.format(
', '.join(used_roles)))
# Add filesystem
if partition.filesystem is None or partition_guid is None:
StorageRouterController._logger.debug('Creating filesystem')
if len(partition.aliases) == 0:
raise ValueError(
'Partition with offset {0} does not have any aliases'.
format(partition.offset))
with remote(storagerouter.ip, [DiskTools], username='******') as rem:
rem.DiskTools.make_fs(partition_alias=partition.aliases[0])
DiskController.sync_with_reality(storagerouter_guid)
partition = DiskPartition(partition.guid)
if partition.filesystem not in ['ext4', 'xfs']:
raise RuntimeError('Unexpected filesystem')
StorageRouterController._logger.debug('Filesystem created')
# Mount the partition and add to FSTab
if partition.mountpoint is None:
StorageRouterController._logger.debug('Configuring mount point')
with remote(storagerouter.ip, [DiskTools], username='******') as rem:
counter = 1
mountpoint = '/mnt/{0}{1}'.format(
'ssd' if disk.is_ssd else 'hdd', counter)
while True:
if not rem.DiskTools.mountpoint_exists(mountpoint):
break
counter += 1
mountpoint = '/mnt/{0}{1}'.format(
'ssd' if disk.is_ssd else 'hdd', counter)
StorageRouterController._logger.debug(
'Found mount point: {0}'.format(mountpoint))
rem.DiskTools.add_fstab(partition_aliases=partition.aliases,
mountpoint=mountpoint,
filesystem=partition.filesystem)
rem.DiskTools.mount(mountpoint)
DiskController.sync_with_reality(storagerouter_guid)
partition = DiskPartition(partition.guid)
if partition.mountpoint != mountpoint:
raise RuntimeError('Unexpected mount point')
StorageRouterController._logger.debug('Mount point configured')
partition.roles = roles
partition.save()
StorageRouterController._logger.debug('Partition configured')
def sync_with_reality(storagerouter_guid):
"""
Syncs the Disks from all StorageRouters with the reality.
CHANGES MADE TO THIS CODE SHOULD BE REFLECTED IN THE ASD-MANAGER list_disks CALL TOO!!!!!!!!!!!!!!!!!!!!
:param storagerouter_guid: Guid of the Storage Router to synchronize
:type storagerouter_guid: str
:return: None
"""
storagerouter = StorageRouter(storagerouter_guid)
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
DiskController._logger.exception('Could not connect to StorageRouter {0}'.format(storagerouter.ip))
raise
# Retrieve all symlinks for all devices
# Example of name_alias_mapping:
# {'/dev/md0': ['/dev/disk/by-id/md-uuid-ad2de634:26d97253:5eda0a23:96986b76', '/dev/disk/by-id/md-name-OVS-1:0'],
# '/dev/sda': ['/dev/disk/by-path/pci-0000:03:00.0-sas-0x5000c295fe2ff771-lun-0'],
# '/dev/sda1': ['/dev/disk/by-uuid/e3e0bc62-4edc-4c6b-a6ce-1f39e8f27e41', '/dev/disk/by-path/pci-0000:03:00.0-sas-0x5000c295fe2ff771-lun-0-part1']}
name_alias_mapping = {}
alias_name_mapping = {}
for path_type in client.dir_list(directory='/dev/disk'):
if path_type in ['by-uuid', 'by-partuuid']: # UUIDs can change after creating a filesystem on a partition
continue
directory = '/dev/disk/{0}'.format(path_type)
for symlink in client.dir_list(directory=directory):
symlink_path = '{0}/{1}'.format(directory, symlink)
link = client.file_read_link(symlink_path)
if link not in name_alias_mapping:
name_alias_mapping[link] = []
name_alias_mapping[link].append(symlink_path)
alias_name_mapping[symlink_path] = link
# Parse 'lsblk' output
# --exclude 1 for RAM devices, 2 for floppy devices, 11 for CD-ROM devices (See https://www.kernel.org/doc/Documentation/devices.txt)
command = ['lsblk', '--pairs', '--bytes', '--noheadings', '--exclude', '1,2,11']
output = '--output=KNAME,SIZE,MODEL,STATE,MAJ:MIN,FSTYPE,TYPE,ROTA,MOUNTPOINT,LOG-SEC{0}'
regex = '^KNAME="(?P<name>.*)" SIZE="(?P<size>\d*)" MODEL="(?P<model>.*)" STATE="(?P<state>.*)" MAJ:MIN="(?P<dev_nr>.*)" FSTYPE="(?P<fstype>.*)" TYPE="(?P<type>.*)" ROTA="(?P<rota>[0,1])" MOUNTPOINT="(?P<mtpt>.*)" LOG-SEC="(?P<sector_size>\d*)"( SERIAL="(?P<serial>.*)")?$'
try:
devices = client.run(command + [output.format(',SERIAL')]).splitlines()
except:
devices = client.run(command + [output.format('')]).splitlines()
device_regex = re.compile(regex)
configuration = {}
parsed_devices = []
for device in devices:
match = re.match(device_regex, device)
if match is None:
DiskController._logger.error('Device regex did not match for {0}. Please investigate'.format(device))
raise Exception('Failed to parse \'lsblk\' output')
groupdict = match.groupdict()
name = groupdict['name'].strip()
size = groupdict['size'].strip()
model = groupdict['model'].strip()
state = groupdict['state'].strip()
dev_nr = groupdict['dev_nr'].strip()
serial = (groupdict['serial'] or '').strip()
fs_type = groupdict['fstype'].strip()
dev_type = groupdict['type'].strip()
rotational = groupdict['rota'].strip()
mount_point = groupdict['mtpt'].strip()
sector_size = groupdict['sector_size'].strip()
if dev_type == 'rom':
continue
link = client.file_read_link('/sys/block/{0}'.format(name))
device_state = None
friendly_path = '/dev/{0}'.format(name)
system_aliases = name_alias_mapping.get(friendly_path, [friendly_path])
device_is_also_partition = False
if link is not None: # If this returns, it means its a device and not a partition
device_is_also_partition = mount_point != '' # LVM, RAID1, ... have the tendency to be a device with a partition on it, but the partition is not reported by 'lsblk'
device_state = Disk.STATES.OK if state == 'running' or dev_nr.split(':')[0] != '8' else Disk.STATES.FAILURE
parsed_devices.append({'name': name,
'state': device_state})
configuration[name] = {'name': name,
'size': int(size),
'model': model if model != '' else None,
'serial': serial if serial != '' else None,
'state': device_state,
'is_ssd': rotational == '0',
'aliases': system_aliases,
'partitions': {}}
if link is None or device_is_also_partition is True:
current_device = None
current_device_state = None
if device_is_also_partition is True:
offset = 0
current_device = name
current_device_state = device_state
else:
offset = 0
for device_info in reversed(parsed_devices):
try:
current_device = device_info['name']
current_device_state = device_info['state']
offset = int(client.file_read('/sys/block/{0}/{1}/start'.format(current_device, name))) * int(sector_size)
break
except Exception:
pass
if current_device is None:
raise RuntimeError('Failed to retrieve the device information for current partition')
mount_point = mount_point if mount_point != '' else None
partition_state = Disk.STATES.OK if current_device_state == Disk.STATES.OK else Disk.STATES.FAILURE
if mount_point is not None and fs_type != 'swap':
try:
filename = '{0}/{1}'.format(mount_point, str(time.time()))
client.run(['touch', filename])
client.run(['rm', filename])
except Exception:
partition_state = Disk.STATES.FAILURE
configuration[current_device]['partitions'][offset] = {'size': int(size),
'state': partition_state,
'offset': offset,
'aliases': system_aliases,
'filesystem': fs_type if fs_type != '' else None,
'mountpoint': mount_point}
# Sync the model
for disk in storagerouter.disks:
disk_info = None
for alias in disk.aliases:
if alias in alias_name_mapping:
name = alias_name_mapping[alias].replace('/dev/', '')
if name in configuration:
disk_info = configuration.pop(name)
break
if disk_info is None and disk.name in configuration and (disk.name.startswith('fio') or
disk.name.startswith('loop') or
disk.name.startswith('nvme')): # Partitioned loop, nvme devices no longer show up in alias_name_mapping
disk_info = configuration.pop(disk.name)
# Remove disk / partitions if not reported by 'lsblk'
if disk_info is None:
DiskController._logger.info('Disk {0} - No longer found'.format(disk.name))
delete = True
for partition in disk.partitions:
if len(partition.roles) > 0:
delete = False
DiskController._logger.warning('Disk {0} - Partition with offset {1} - Has roles, will not delete'.format(disk.name, partition.offset))
break
if delete is True:
for partition in disk.partitions:
partition.delete()
disk.delete()
DiskController._logger.info('Disk {0} - Deleted'.format(disk.name))
else:
for partition in disk.partitions:
DiskController._update_partition(partition, {'state': 'MISSING'})
DiskController._logger.warning('Disk {0} - Partition with offset {1} - Updated status to MISSING'.format(disk.name, partition.offset))
DiskController._update_disk(disk, {'state': 'MISSING'})
DiskController._logger.warning('Disk {0} - Updated status to MISSING'.format(disk.name))
else: # Update existing disks and their partitions
DiskController._logger.info('Disk {0} - Found, updating'.format(disk.name))
DiskController._update_disk(disk, disk_info)
partition_info = disk_info['partitions']
for partition in disk.partitions:
if partition.offset not in partition_info:
DiskController._logger.info('Disk {0} - Partition with offset {1} - No longer found'.format(disk.name, partition.offset))
if len(partition.roles) > 0:
DiskController._logger.warning('Disk {0} - Partition with offset {1} - Update status to MISSING'.format(disk.name, partition.offset))
DiskController._update_partition(partition, {'state': 'MISSING'})
else:
DiskController._logger.info('Disk {0} - Partition with offset {1} - Deleting'.format(disk.name, partition.offset))
partition.delete()
else:
DiskController._update_partition(partition, partition_info.pop(partition.offset))
for partition_offset in partition_info:
DiskController._logger.info('Disk {0} - Creating partition - {1}'.format(disk.name, partition_info[partition_offset]))
DiskController._create_partition(partition_info[partition_offset], disk)
# Create all disks and their partitions not yet modeled
for disk_name in configuration:
DiskController._logger.info('Disk {0} - Creating disk - {1}'.format(disk_name, configuration[disk_name]))
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_offset in partition_info:
DiskController._create_partition(partition_info[partition_offset], disk)
def sync_with_reality(storagerouter_guid):
"""
Syncs the Disks from all StorageRouters with the reality.
CHANGES MADE TO THIS CODE SHOULD BE REFLECTED IN THE ASD-MANAGER list_disks CALL TOO!!!!!!!!!!!!!!!!!!!!
:param storagerouter_guid: Guid of the Storage Router to synchronize
:type storagerouter_guid: str
:return: None
"""
storagerouter = StorageRouter(storagerouter_guid)
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
DiskController._logger.exception(
'Could not connect to StorageRouter {0}'.format(
storagerouter.ip))
raise
# Retrieve all symlinks for all devices
# Example of name_alias_mapping:
# {'/dev/md0': ['/dev/disk/by-id/md-uuid-ad2de634:26d97253:5eda0a23:96986b76', '/dev/disk/by-id/md-name-OVS-1:0'],
# '/dev/sda': ['/dev/disk/by-path/pci-0000:03:00.0-sas-0x5000c295fe2ff771-lun-0'],
# '/dev/sda1': ['/dev/disk/by-uuid/e3e0bc62-4edc-4c6b-a6ce-1f39e8f27e41', '/dev/disk/by-path/pci-0000:03:00.0-sas-0x5000c295fe2ff771-lun-0-part1']}
name_alias_mapping = {}
alias_name_mapping = {}
for path_type in client.dir_list(directory='/dev/disk'):
if path_type in [
'by-uuid', 'by-partuuid'
]: # UUIDs can change after creating a filesystem on a partition
continue
directory = '/dev/disk/{0}'.format(path_type)
for symlink in client.dir_list(directory=directory):
symlink_path = '{0}/{1}'.format(directory, symlink)
link = client.file_read_link(symlink_path)
if link not in name_alias_mapping:
name_alias_mapping[link] = []
name_alias_mapping[link].append(symlink_path)
alias_name_mapping[symlink_path] = link
# Parse 'lsblk' output
# --exclude 1 for RAM devices, 2 for floppy devices, 11 for CD-ROM devices (See https://www.kernel.org/doc/Documentation/devices.txt)
devices = client.run([
'lsblk', '--pairs', '--bytes', '--noheadings', '--exclude',
'1,2,11',
'--output=KNAME,SIZE,MODEL,STATE,MAJ:MIN,FSTYPE,TYPE,ROTA,MOUNTPOINT,LOG-SEC'
]).splitlines()
device_regex = re.compile(
'^KNAME="(?P<name>.*)" SIZE="(?P<size>\d*)" MODEL="(?P<model>.*)" STATE="(?P<state>.*)" MAJ:MIN="(?P<dev_nr>.*)" FSTYPE="(?P<fstype>.*)" TYPE="(?P<type>.*)" ROTA="(?P<rota>[0,1])" MOUNTPOINT="(?P<mtpt>.*)" LOG-SEC="(?P<sector_size>\d*)"$'
)
configuration = {}
parsed_devices = []
for device in devices:
match = re.match(device_regex, device)
if match is None:
DiskController._logger.error(
'Device regex did not match for {0}. Please investigate'.
format(device))
raise Exception('Failed to parse \'lsblk\' output')
groupdict = match.groupdict()
name = groupdict['name'].strip()
size = groupdict['size'].strip()
model = groupdict['model'].strip()
state = groupdict['state'].strip()
dev_nr = groupdict['dev_nr'].strip()
fs_type = groupdict['fstype'].strip()
dev_type = groupdict['type'].strip()
rotational = groupdict['rota'].strip()
mount_point = groupdict['mtpt'].strip()
sector_size = groupdict['sector_size'].strip()
if dev_type == 'rom':
continue
link = client.file_read_link('/sys/block/{0}'.format(name))
device_state = None
friendly_path = '/dev/{0}'.format(name)
system_aliases = name_alias_mapping.get(friendly_path,
[friendly_path])
device_is_also_partition = False
if link is not None: # If this returns, it means its a device and not a partition
device_is_also_partition = mount_point != '' # LVM, RAID1, ... have the tendency to be a device with a partition on it, but the partition is not reported by 'lsblk'
device_state = Disk.STATES.OK if state == 'running' or dev_nr.split(
':')[0] != '8' else Disk.STATES.FAILURE
parsed_devices.append({'name': name, 'state': device_state})
configuration[name] = {
'name': name,
'size': int(size),
'model': model if model != '' else None,
'state': device_state,
'is_ssd': rotational == '0',
'aliases': system_aliases,
'partitions': {}
}
if link is None or device_is_also_partition is True:
current_device = None
current_device_state = None
if device_is_also_partition is True:
offset = 0
current_device = name
current_device_state = device_state
else:
offset = 0
for device_info in reversed(parsed_devices):
try:
current_device = device_info['name']
current_device_state = device_info['state']
offset = int(
client.file_read(
'/sys/block/{0}/{1}/start'.format(
current_device,
name))) * int(sector_size)
break
except Exception:
pass
if current_device is None:
raise RuntimeError(
'Failed to retrieve the device information for current partition'
)
mount_point = mount_point if mount_point != '' else None
partition_state = Disk.STATES.OK if current_device_state == Disk.STATES.OK else Disk.STATES.FAILURE
if mount_point is not None and fs_type != 'swap':
try:
filename = '{0}/{1}'.format(mount_point,
str(time.time()))
client.run(['touch', filename])
client.run(['rm', filename])
except Exception:
partition_state = Disk.STATES.FAILURE
configuration[current_device]['partitions'][offset] = {
'size': int(size),
'state': partition_state,
'offset': offset,
'aliases': system_aliases,
'filesystem': fs_type if fs_type != '' else None,
'mountpoint': mount_point
}
# Sync the model
for disk in storagerouter.disks:
disk_info = None
for alias in disk.aliases:
if alias in alias_name_mapping:
name = alias_name_mapping[alias].replace('/dev/', '')
if name in configuration:
disk_info = configuration.pop(name)
break
if disk_info is None and disk.name in configuration and (
disk.name.startswith('fio') or disk.name.startswith('loop')
or disk.name.startswith('nvme')
): # Partitioned loop, nvme devices no longer show up in alias_name_mapping
disk_info = configuration.pop(disk.name)
# Remove disk / partitions if not reported by 'lsblk'
if disk_info is None:
DiskController._logger.info(
'Disk {0} - No longer found'.format(disk.name))
delete = True
for partition in disk.partitions:
if len(partition.roles) > 0:
delete = False
DiskController._logger.warning(
'Disk {0} - Partition with offset {1} - Has roles, will not delete'
.format(disk.name, partition.offset))
break
if delete is True:
for partition in disk.partitions:
partition.delete()
disk.delete()
DiskController._logger.info('Disk {0} - Deleted'.format(
disk.name))
else:
for partition in disk.partitions:
DiskController._update_partition(
partition, {'state': 'MISSING'})
DiskController._logger.warning(
'Disk {0} - Partition with offset {1} - Updated status to MISSING'
.format(disk.name, partition.offset))
DiskController._update_disk(disk, {'state': 'MISSING'})
DiskController._logger.warning(
'Disk {0} - Updated status to MISSING'.format(
disk.name))
else: # Update existing disks and their partitions
DiskController._logger.info(
'Disk {0} - Found, updating'.format(disk.name))
DiskController._update_disk(disk, disk_info)
partition_info = disk_info['partitions']
for partition in disk.partitions:
if partition.offset not in partition_info:
DiskController._logger.info(
'Disk {0} - Partition with offset {1} - No longer found'
.format(disk.name, partition.offset))
if len(partition.roles) > 0:
DiskController._logger.warning(
'Disk {0} - Partition with offset {1} - Update status to MISSING'
.format(disk.name, partition.offset))
DiskController._update_partition(
partition, {'state': 'MISSING'})
else:
DiskController._logger.info(
'Disk {0} - Partition with offset {1} - Deleting'
.format(disk.name, partition.offset))
partition.delete()
else:
DiskController._update_partition(
partition, partition_info.pop(partition.offset))
for partition_offset in partition_info:
DiskController._logger.info(
'Disk {0} - Creating partition - {1}'.format(
disk.name, partition_info[partition_offset]))
DiskController._create_partition(
partition_info[partition_offset], disk)
# Create all disks and their partitions not yet modeled
for disk_name in configuration:
DiskController._logger.info(
'Disk {0} - Creating disk - {1}'.format(
disk_name, configuration[disk_name]))
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_offset in partition_info:
DiskController._create_partition(
partition_info[partition_offset], disk)
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 an 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.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
debug = True
amount_of_days = 50
base = datetime.now().date()
day = timedelta(1)
minute = 60
hour = minute * 60
for d in xrange(0, amount_of_days):
base_timestamp = DeleteSnapshots._make_timestamp(base, day * d)
print ""
print "Day cycle: {0}: {1}".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.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 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 build_service_structure(structure, previous_structure=None):
"""
Builds an MDS service structure
Example:
structure = Helper.build_service_structure(
{'vpools': [1],
'domains': [],
'storagerouters': [1],
'storagedrivers': [(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)], # (<id>, <storagedriver_id>)
'storagerouter_domains': []} # (<id>, <storagerouter_id>, <domain_id>)
)
"""
if previous_structure is None:
previous_structure = {}
vdisks = previous_structure.get("vdisks", {})
vpools = previous_structure.get("vpools", {})
domains = previous_structure.get("domains", {})
services = previous_structure.get("services", {})
mds_services = previous_structure.get("mds_services", {})
storagerouters = previous_structure.get("storagerouters", {})
storagedrivers = previous_structure.get("storagedrivers", {})
storagerouter_domains = previous_structure.get("storagerouter_domains", {})
service_type = ServiceTypeList.get_by_name("MetadataServer")
if service_type is None:
service_type = ServiceType()
service_type.name = "MetadataServer"
service_type.save()
srclients = {}
for domain_id in structure.get("domains", []):
if domain_id not in domains:
domain = Domain()
domain.name = "domain_{0}".format(domain_id)
domain.save()
domains[domain_id] = domain
for vpool_id in structure.get("vpools", []):
if vpool_id not in vpools:
vpool = VPool()
vpool.name = str(vpool_id)
vpool.status = "RUNNING"
vpool.save()
vpools[vpool_id] = vpool
else:
vpool = vpools[vpool_id]
srclients[vpool_id] = StorageRouterClient(vpool.guid, None)
for sr_id in structure.get("storagerouters", []):
if sr_id not in storagerouters:
storagerouter = StorageRouter()
storagerouter.name = str(sr_id)
storagerouter.ip = "10.0.0.{0}".format(sr_id)
storagerouter.rdma_capable = False
storagerouter.node_type = "MASTER"
storagerouter.machine_id = str(sr_id)
storagerouter.save()
storagerouters[sr_id] = storagerouter
disk = Disk()
disk.storagerouter = storagerouter
disk.state = "OK"
disk.name = "/dev/uda"
disk.size = 1 * 1024 ** 4
disk.is_ssd = True
disk.aliases = ["/dev/uda"]
disk.save()
partition = DiskPartition()
partition.offset = 0
partition.size = disk.size
partition.aliases = ["/dev/uda-1"]
partition.state = "OK"
partition.mountpoint = "/tmp/unittest/sr_{0}/disk_1/partition_1".format(sr_id)
partition.disk = disk
partition.roles = [DiskPartition.ROLES.DB, DiskPartition.ROLES.SCRUB]
partition.save()
for sd_id, vpool_id, sr_id in structure.get("storagedrivers", ()):
if sd_id not in storagedrivers:
storagedriver = StorageDriver()
storagedriver.vpool = vpools[vpool_id]
storagedriver.storagerouter = storagerouters[sr_id]
storagedriver.name = str(sd_id)
storagedriver.mountpoint = "/"
storagedriver.cluster_ip = storagerouters[sr_id].ip
storagedriver.storage_ip = "10.0.1.{0}".format(sr_id)
storagedriver.storagedriver_id = str(sd_id)
storagedriver.ports = {"management": 1, "xmlrpc": 2, "dtl": 3, "edge": 4}
storagedriver.save()
storagedrivers[sd_id] = storagedriver
Helper._set_vpool_storage_driver_configuration(vpool=vpools[vpool_id], storagedriver=storagedriver)
for mds_id, sd_id in structure.get("mds_services", ()):
if mds_id not in mds_services:
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
StorageDriverController.add_storagedriverpartition(
sd,
{
"size": None,
"role": DiskPartition.ROLES.DB,
"sub_role": StorageDriverPartition.SUBROLE.MDS,
"partition": sd.storagerouter.disks[0].partitions[0],
"mds_service": mds_service,
},
)
for vdisk_id, storage_driver_id, vpool_id, mds_id in structure.get("vdisks", ()):
if vdisk_id not in vdisks:
vpool = vpools[vpool_id]
devicename = "vdisk_{0}".format(vdisk_id)
mds_backend_config = Helper._generate_mdsmetadatabackendconfig(
[] if mds_id is None else [mds_services[mds_id]]
)
volume_id = srclients[vpool_id].create_volume(devicename, mds_backend_config, 0, str(storage_driver_id))
vdisk = VDisk()
vdisk.name = str(vdisk_id)
vdisk.devicename = devicename
vdisk.volume_id = volume_id
vdisk.vpool = vpool
vdisk.size = 0
vdisk.save()
vdisk.reload_client("storagedriver")
vdisks[vdisk_id] = vdisk
for srd_id, sr_id, domain_id, backup in structure.get("storagerouter_domains", ()):
if srd_id not in storagerouter_domains:
sr_domain = StorageRouterDomain()
sr_domain.backup = backup
sr_domain.domain = domains[domain_id]
sr_domain.storagerouter = storagerouters[sr_id]
sr_domain.save()
storagerouter_domains[srd_id] = sr_domain
return {
"vdisks": vdisks,
"vpools": vpools,
"domains": domains,
"services": services,
"service_type": service_type,
"mds_services": mds_services,
"storagerouters": storagerouters,
"storagedrivers": storagedrivers,
"storagerouter_domains": storagerouter_domains,
}
def sync_with_reality(storagerouter_guid=None):
"""
Syncs the Disks from all StorageRouters with the reality.
"""
storagerouters = []
if storagerouter_guid is not None:
storagerouters.append(StorageRouter(storagerouter_guid))
else:
storagerouters = StorageRouterList.get_storagerouters()
for storagerouter in storagerouters:
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
logger.info('Could not connect to StorageRouter {0}, skipping'.format(storagerouter.ip))
continue
configuration = {}
# Gather mount data
mount_mapping = {}
mount_data = client.run('mount')
for mount in mount_data.splitlines():
mount = mount.strip()
match = re.search('/dev/(.+?) on (/.*?) type.*', mount)
if match is not None:
mount_mapping[match.groups()[0]] = match.groups()[1]
# Gather disk information
with Remote(storagerouter.ip, [Context, os]) as remote:
context = remote.Context()
devices = [device for device in context.list_devices(subsystem='block')
if 'ID_TYPE' in device and device['ID_TYPE'] == 'disk']
for device in devices:
is_partition = device['DEVTYPE'] == 'partition'
device_path = device['DEVNAME']
device_name = device_path.split('/')[-1]
partition_id = None
partition_name = None
extended_parition_info = None
if is_partition is True:
if 'ID_PART_ENTRY_NUMBER' in device:
extended_parition_info = True
partition_id = device['ID_PART_ENTRY_NUMBER']
partition_name = device_name
device_name = device_name[:0 - int(len(partition_id))]
else:
logger.debug('Partition {0} has no partition metadata'.format(device_path))
extended_parition_info = False
match = re.match('^(\D+?)(\d+)$', device_name)
if match is None:
logger.debug('Could not handle disk/partition {0}'.format(device_path))
continue # Unable to handle this disk/partition
partition_name = device_name
partition_id = match.groups()[1]
device_name = match.groups()[0]
if device_name not in configuration:
configuration[device_name] = {'partitions': {}}
path = None
for path_type in ['by-id', 'by-uuid']:
if path is not None:
break
for item in device['DEVLINKS'].split(' '):
if path_type in item:
path = item
if path is None:
path = device_path
sectors = int(client.run('cat /sys/block/{0}/size'.format(device_name)))
sector_size = int(client.run('cat /sys/block/{0}/queue/hw_sector_size'.format(device_name)))
rotational = int(client.run('cat /sys/block/{0}/queue/rotational'.format(device_name)))
if is_partition is True:
if 'ID_PART_ENTRY_TYPE' in device and device['ID_PART_ENTRY_TYPE'] == '0x5':
continue # This is an extended partition, let's skip that one
if extended_parition_info is True:
offset = int(device['ID_PART_ENTRY_OFFSET']) * sector_size
size = int(device['ID_PART_ENTRY_SIZE']) * sector_size
else:
match = re.match('^(\D+?)(\d+)$', device_path)
if match is None:
logger.debug('Could not handle disk/partition {0}'.format(device_path))
continue # Unable to handle this disk/partition
fdisk_info = client.run('fdisk -l {0} | grep {1}'.format(match.groups()[0], device_path)).strip()
fdisk_data = filter(None, fdisk_info.split(' '))
offset = int(fdisk_data[1]) * sector_size
size = (int(fdisk_data[2]) - int(fdisk_data[1])) * sector_size
configuration[device_name]['partitions'][partition_id] = {'offset': offset,
'size': size,
'path': path,
'state': 'OK'}
partition_data = configuration[device_name]['partitions'][partition_id]
if partition_name in mount_mapping:
mountpoint = mount_mapping[partition_name]
partition_data['mountpoint'] = mountpoint
partition_data['inode'] = remote.os.stat(mountpoint).st_dev
del mount_mapping[partition_name]
try:
client.run('touch {0}/{1}; rm {0}/{1}'.format(mountpoint, str(time.time())))
except CalledProcessError:
partition_data['state'] = 'FAILURE'
pass
if 'ID_FS_TYPE' in device:
partition_data['filesystem'] = device['ID_FS_TYPE']
else:
configuration[device_name].update({'name': device_name,
'path': path,
'vendor': device['ID_VENDOR'] if 'ID_VENDOR' in device else None,
'model': device['ID_MODEL'] if 'ID_MODEL' in device else None,
'size': sector_size * sectors,
'is_ssd': rotational == 0,
'state': 'OK'})
for partition_name in mount_mapping:
device_name = partition_name.split('/')[-1]
match = re.search('^(\D+?)(\d+)$', device_name)
if match is not None:
device_name = match.groups()[0]
partition_id = match.groups()[1]
if device_name not in configuration:
configuration[device_name] = {'partitions': {},
'state': 'MISSING'}
configuration[device_name]['partitions'][partition_id] = {'mountpoint': mount_mapping[partition_name],
'state': 'MISSING'}
# Sync the model
disk_names = []
for disk in storagerouter.disks:
if disk.name not in configuration:
for partition in disk.partitions:
partition.delete()
disk.delete()
else:
disk_names.append(disk.name)
DiskController._update_disk(disk, configuration[disk.name])
partitions = []
partition_info = configuration[disk.name]['partitions']
for partition in disk.partitions:
if partition.id not in partition_info:
partition.delete()
else:
partitions.append(partition.id)
DiskController._update_partition(partition, partition_info[partition.id])
for partition_id in partition_info:
if partition_id not in partitions:
DiskController._create_partition(partition_id, partition_info[partition_id], disk)
for disk_name in configuration:
if disk_name not in disk_names and configuration[disk_name]['state'] not in ['MISSING']:
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_id in partition_info:
if partition_info[partition_id]['state'] not in ['MISSING']:
DiskController._create_partition(partition_id, partition_info[partition_id], disk)
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 test_clone_snapshot(self):
"""
Validates that a snapshot that has clones will not be deleted while other snapshots will be deleted
"""
# Setup
# There are 2 disks, second one cloned from a snapshot of the first
vpool = VPool()
vpool.name = 'vpool'
vpool.status = 'RUNNING'
vpool.save()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.save()
disk = Disk()
disk.name = 'physical_disk_1'
disk.aliases = ['/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.disk = disk
disk_partition.aliases = ['/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()
storage_driver = StorageDriver()
storage_driver.vpool = vpool
storage_driver.storagerouter = storage_router
storage_driver.name = 'storage_driver_1'
storage_driver.mountpoint = '/'
storage_driver.cluster_ip = storage_router.ip
storage_driver.storage_ip = '127.0.0.1'
storage_driver.storagedriver_id = 'storage_driver_1'
storage_driver.ports = {'management': 1,
'xmlrpc': 2,
'dtl': 3,
'edge': 4}
storage_driver.save()
service_type = ServiceType()
service_type.name = 'MetadataServer'
service_type.save()
service = Service()
service.name = 'service_1'
service.storagerouter = storage_driver.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 = storage_driver.vpool
mds_service.save()
vdisk_1_1 = VDisk()
vdisk_1_1.name = 'vdisk_1_1'
vdisk_1_1.volume_id = 'vdisk_1_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('storagedriver')
[dynamic for dynamic in vdisk_1_1._dynamics if dynamic.name == 'snapshots'][0].timeout = 0
travis = 'TRAVIS' in os.environ and os.environ['TRAVIS'] == 'true'
if travis is True:
print 'Running in Travis, reducing output.'
base = datetime.datetime.now().date()
day = datetime.timedelta(1)
base_timestamp = self._make_timestamp(base, day)
minute = 60
hour = minute * 60
for h in [6, 12, 18]:
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=vdisk_1_1.guid,
metadata={'label': 'snapshot_{0}:30'.format(str(h)),
'is_consistent': True,
'timestamp': str(timestamp),
'machineguid': None})
base_snapshot_guid = vdisk_1_1.snapshots[0]['guid'] # Oldest
clone_vdisk = VDisk()
clone_vdisk.name = 'clone_vdisk'
clone_vdisk.volume_id = 'clone_vdisk'
clone_vdisk.vpool = vpool
clone_vdisk.devicename = 'dummy'
clone_vdisk.parentsnapshot = base_snapshot_guid
clone_vdisk.size = 0
clone_vdisk.save()
clone_vdisk.reload_client('storagedriver')
for h in [6, 12, 18]:
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=clone_vdisk.guid,
metadata={'label': 'snapshot_{0}:30'.format(str(h)),
'is_consistent': True,
'timestamp': str(timestamp),
'machineguid': None})
base_timestamp = self._make_timestamp(base, day * 2)
ScheduledTaskController.delete_snapshots(timestamp=base_timestamp + (minute * 30))
self.assertIn(base_snapshot_guid, [snap['guid'] for snap in vdisk_1_1.snapshots], 'Snapshot was deleted while there are still clones of it')
def test_happypath(self):
"""
Validates the happy path; Hourly snapshots are taken with a few manual consistent
every now and then. The delete policy is executed every day
"""
vpool = VPool()
vpool.name = 'vpool'
vpool.status = 'RUNNING'
vpool.save()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.save()
disk = Disk()
disk.name = 'physical_disk_1'
disk.aliases = ['/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.disk = disk
disk_partition.aliases = ['/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()
vdisk_1 = VDisk()
vdisk_1.name = 'vdisk_1'
vdisk_1.volume_id = 'vdisk_1'
vdisk_1.vpool = vpool
vdisk_1.devicename = 'dummy'
vdisk_1.size = 0
vdisk_1.save()
vdisk_1.reload_client('storagedriver')
[dynamic for dynamic in vdisk_1._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:
self._print_message('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)
self._print_message('')
self._print_message('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
self._print_message('- Deleting snapshots')
ScheduledTaskController.delete_snapshots(timestamp=base_timestamp + (minute * 30))
# Validate snapshots
self._print_message('- Validating snapshots')
self._validate(vdisk_1, 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
self._print_message('- Creating snapshots')
for h in xrange(2, 23):
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=vdisk_1.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(vdisk_guid=vdisk_1.guid,
metadata={'label': 'ss_c_{0}:30'.format(str(h)),
'is_consistent': True,
'timestamp': str(ts),
'machineguid': None})
def sync_with_reality(storagerouter_guid=None):
"""
Syncs the Disks from all StorageRouters with the reality.
"""
storagerouters = []
if storagerouter_guid is not None:
storagerouters.append(StorageRouter(storagerouter_guid))
else:
storagerouters = StorageRouterList.get_storagerouters()
for storagerouter in storagerouters:
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
logger.info(
'Could not connect to StorageRouter {0}, skipping'.format(
storagerouter.ip))
continue
configuration = {}
# Gather mount data
mount_mapping = {}
mount_data = client.run('mount')
for mount in mount_data.splitlines():
mount = mount.strip()
match = re.search('/dev/(.+?) on (/.*?) type.*', mount)
if match is not None:
mount_mapping[match.groups()[0]] = match.groups()[1]
# Gather disk information
with Remote(storagerouter.ip, [Context, os]) as remote:
context = remote.Context()
devices = [
device
for device in context.list_devices(subsystem='block')
if 'ID_TYPE' in device and device['ID_TYPE'] == 'disk'
]
for device in devices:
is_partition = device['DEVTYPE'] == 'partition'
device_path = device['DEVNAME']
device_name = device_path.split('/')[-1]
partition_id = None
partition_name = None
extended_parition_info = None
if is_partition is True:
if 'ID_PART_ENTRY_NUMBER' in device:
extended_parition_info = True
partition_id = device['ID_PART_ENTRY_NUMBER']
partition_name = device_name
device_name = device_name[:0 -
int(len(partition_id))]
else:
logger.debug(
'Partition {0} has no partition metadata'.
format(device_path))
extended_parition_info = False
match = re.match('^(\D+?)(\d+)$', device_name)
if match is None:
logger.debug(
'Could not handle disk/partition {0}'.
format(device_path))
continue # Unable to handle this disk/partition
partition_name = device_name
partition_id = match.groups()[1]
device_name = match.groups()[0]
if device_name not in configuration:
configuration[device_name] = {'partitions': {}}
path = None
for path_type in ['by-id', 'by-uuid']:
if path is not None:
break
for item in device['DEVLINKS'].split(' '):
if path_type in item:
path = item
if path is None:
path = device_path
sectors = int(
client.run(
'cat /sys/block/{0}/size'.format(device_name)))
sector_size = int(
client.run(
'cat /sys/block/{0}/queue/hw_sector_size'.format(
device_name)))
rotational = int(
client.run(
'cat /sys/block/{0}/queue/rotational'.format(
device_name)))
if is_partition is True:
if 'ID_PART_ENTRY_TYPE' in device and device[
'ID_PART_ENTRY_TYPE'] == '0x5':
continue # This is an extended partition, let's skip that one
if extended_parition_info is True:
offset = int(
device['ID_PART_ENTRY_OFFSET']) * sector_size
size = int(
device['ID_PART_ENTRY_SIZE']) * sector_size
else:
match = re.match('^(\D+?)(\d+)$', device_path)
if match is None:
logger.debug(
'Could not handle disk/partition {0}'.
format(device_path))
continue # Unable to handle this disk/partition
fdisk_info = client.run(
'fdisk -l {0} | grep {1}'.format(
match.groups()[0], device_path)).strip()
fdisk_data = filter(None, fdisk_info.split(' '))
offset = int(fdisk_data[1]) * sector_size
size = (int(fdisk_data[2]) -
int(fdisk_data[1])) * sector_size
configuration[device_name]['partitions'][
partition_id] = {
'offset': offset,
'size': size,
'path': path,
'state': 'OK'
}
partition_data = configuration[device_name][
'partitions'][partition_id]
if partition_name in mount_mapping:
mountpoint = mount_mapping[partition_name]
partition_data['mountpoint'] = mountpoint
partition_data['inode'] = remote.os.stat(
mountpoint).st_dev
del mount_mapping[partition_name]
try:
client.run('touch {0}/{1}; rm {0}/{1}'.format(
mountpoint, str(time.time())))
except CalledProcessError:
partition_data['state'] = 'ERROR'
pass
if 'ID_FS_TYPE' in device:
partition_data['filesystem'] = device['ID_FS_TYPE']
else:
configuration[device_name].update({
'name':
device_name,
'path':
path,
'vendor':
device['ID_VENDOR']
if 'ID_VENDOR' in device else None,
'model':
device['ID_MODEL']
if 'ID_MODEL' in device else None,
'size':
sector_size * sectors,
'is_ssd':
rotational == 0,
'state':
'OK'
})
for partition_name in mount_mapping:
device_name = partition_name.split('/')[-1]
match = re.search('^(\D+?)(\d+)$', device_name)
if match is not None:
device_name = match.groups()[0]
partition_id = match.groups()[1]
if device_name not in configuration:
configuration[device_name] = {
'partitions': {},
'state': 'MISSING'
}
configuration[device_name]['partitions'][
partition_id] = {
'mountpoint':
mount_mapping[partition_name],
'state': 'MISSING'
}
# Sync the model
disk_names = []
for disk in storagerouter.disks:
if disk.name not in configuration:
for partition in disk.partitions:
partition.delete()
disk.delete()
else:
disk_names.append(disk.name)
DiskController._update_disk(disk, configuration[disk.name])
partitions = []
partition_info = configuration[disk.name]['partitions']
for partition in disk.partitions:
if partition.id not in partition_info:
partition.delete()
else:
partitions.append(partition.id)
DiskController._update_partition(
partition, partition_info[partition.id])
for partition_id in partition_info:
if partition_id not in partitions:
DiskController._create_partition(
partition_id, partition_info[partition_id],
disk)
for disk_name in configuration:
if disk_name not in disk_names and configuration[disk_name][
'state'] not in ['MISSING']:
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_id in partition_info:
if partition_info[partition_id]['state'] not in [
'MISSING'
]:
DiskController._create_partition(
partition_id, partition_info[partition_id],
disk)
def build_service_structure(structure, previous_structure=None):
"""
Builds an MDS service structure
Example:
structure = Helper.build_service_structure(
{'vpools': [1],
'domains': [],
'storagerouters': [1],
'storagedrivers': [(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)], # (<id>, <storagedriver_id>)
'storagerouter_domains': []} # (<id>, <storagerouter_id>, <domain_id>)
)
"""
if previous_structure is None:
previous_structure = {}
vdisks = previous_structure.get('vdisks', {})
vpools = previous_structure.get('vpools', {})
domains = previous_structure.get('domains', {})
services = previous_structure.get('services', {})
mds_services = previous_structure.get('mds_services', {})
storagerouters = previous_structure.get('storagerouters', {})
storagedrivers = previous_structure.get('storagedrivers', {})
storagerouter_domains = previous_structure.get('storagerouter_domains',
{})
service_type = ServiceTypeList.get_by_name('MetadataServer')
if service_type is None:
service_type = ServiceType()
service_type.name = 'MetadataServer'
service_type.save()
srclients = {}
for domain_id in structure.get('domains', []):
if domain_id not in domains:
domain = Domain()
domain.name = 'domain_{0}'.format(domain_id)
domain.save()
domains[domain_id] = domain
for vpool_id in structure.get('vpools', []):
if vpool_id not in vpools:
vpool = VPool()
vpool.name = str(vpool_id)
vpool.status = 'RUNNING'
vpool.save()
vpools[vpool_id] = vpool
else:
vpool = vpools[vpool_id]
srclients[vpool_id] = StorageRouterClient(vpool.guid, None)
for sr_id in structure.get('storagerouters', []):
if sr_id not in storagerouters:
storagerouter = StorageRouter()
storagerouter.name = str(sr_id)
storagerouter.ip = '10.0.0.{0}'.format(sr_id)
storagerouter.rdma_capable = False
storagerouter.node_type = 'MASTER'
storagerouter.machine_id = str(sr_id)
storagerouter.save()
storagerouters[sr_id] = storagerouter
disk = Disk()
disk.storagerouter = storagerouter
disk.state = 'OK'
disk.name = '/dev/uda'
disk.size = 1 * 1024**4
disk.is_ssd = True
disk.aliases = ['/dev/uda']
disk.save()
partition = DiskPartition()
partition.offset = 0
partition.size = disk.size
partition.aliases = ['/dev/uda-1']
partition.state = 'OK'
partition.mountpoint = '/tmp/unittest/sr_{0}/disk_1/partition_1'.format(
sr_id)
partition.disk = disk
partition.roles = [
DiskPartition.ROLES.DB, DiskPartition.ROLES.SCRUB
]
partition.save()
for sd_id, vpool_id, sr_id in structure.get('storagedrivers', ()):
if sd_id not in storagedrivers:
storagedriver = StorageDriver()
storagedriver.vpool = vpools[vpool_id]
storagedriver.storagerouter = storagerouters[sr_id]
storagedriver.name = str(sd_id)
storagedriver.mountpoint = '/'
storagedriver.cluster_ip = storagerouters[sr_id].ip
storagedriver.storage_ip = '10.0.1.{0}'.format(sr_id)
storagedriver.storagedriver_id = str(sd_id)
storagedriver.ports = {
'management': 1,
'xmlrpc': 2,
'dtl': 3,
'edge': 4
}
storagedriver.save()
storagedrivers[sd_id] = storagedriver
Helper._set_vpool_storage_driver_configuration(
vpool=vpools[vpool_id], storagedriver=storagedriver)
for mds_id, sd_id in structure.get('mds_services', ()):
if mds_id not in mds_services:
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
StorageDriverController.add_storagedriverpartition(
sd, {
'size': None,
'role': DiskPartition.ROLES.DB,
'sub_role': StorageDriverPartition.SUBROLE.MDS,
'partition': sd.storagerouter.disks[0].partitions[0],
'mds_service': mds_service
})
for vdisk_id, storage_driver_id, vpool_id, mds_id in structure.get(
'vdisks', ()):
if vdisk_id not in vdisks:
vpool = vpools[vpool_id]
devicename = 'vdisk_{0}'.format(vdisk_id)
mds_backend_config = Helper._generate_mdsmetadatabackendconfig(
[] if mds_id is None else [mds_services[mds_id]])
volume_id = srclients[vpool_id].create_volume(
devicename, mds_backend_config, 0, str(storage_driver_id))
vdisk = VDisk()
vdisk.name = str(vdisk_id)
vdisk.devicename = devicename
vdisk.volume_id = volume_id
vdisk.vpool = vpool
vdisk.size = 0
vdisk.save()
vdisk.reload_client('storagedriver')
vdisks[vdisk_id] = vdisk
for srd_id, sr_id, domain_id, backup in structure.get(
'storagerouter_domains', ()):
if srd_id not in storagerouter_domains:
sr_domain = StorageRouterDomain()
sr_domain.backup = backup
sr_domain.domain = domains[domain_id]
sr_domain.storagerouter = storagerouters[sr_id]
sr_domain.save()
storagerouter_domains[srd_id] = sr_domain
return {
'vdisks': vdisks,
'vpools': vpools,
'domains': domains,
'services': services,
'service_type': service_type,
'mds_services': mds_services,
'storagerouters': storagerouters,
'storagedrivers': storagedrivers,
'storagerouter_domains': storagerouter_domains
}
def sync_with_reality(storagerouter_guid=None):
"""
Syncs the Disks from all StorageRouters with the reality.
:param storagerouter_guid: Guid of the Storage Router to synchronize
"""
storagerouters = []
if storagerouter_guid is not None:
storagerouters.append(StorageRouter(storagerouter_guid))
else:
storagerouters = StorageRouterList.get_storagerouters()
for storagerouter in storagerouters:
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
DiskController._logger.info(
'Could not connect to StorageRouter {0}, skipping'.format(
storagerouter.ip))
continue
configuration = {}
# Gather mount data
mount_mapping = {}
mount_data = client.run('mount')
for mount in mount_data.splitlines():
mount = mount.strip()
match = re.search('(/dev/(.+?)) on (/.*?) type.*', mount)
if match is not None:
dev_name = match.groups()[0]
uuid = client.run(
'blkid -o value -s UUID {0}'.format(dev_name))
if uuid:
mount_mapping[uuid] = match.groups()[2]
else:
mount_mapping[match.groups()[1]] = match.groups()[2]
# Gather raid information
try:
md_information = client.run('mdadm --detail /dev/md*',
suppress_logging=True)
except CalledProcessError:
md_information = ''
raid_members = []
for member in re.findall('(?: +[0-9]+){4} +[^/]+/dev/([a-z0-9]+)',
md_information):
raid_members.append(member)
# Gather disk information
with remote(storagerouter.ip, [Context, os]) as rem:
context = rem.Context()
devices = [
device
for device in context.list_devices(subsystem='block')
if ('ID_TYPE' in device and device['ID_TYPE'] == 'disk') or
('DEVNAME' in device and
('loop' in device['DEVNAME'] or 'nvme' in
device['DEVNAME'] or 'md' in device['DEVNAME']))
]
for device in devices:
is_partition = device['DEVTYPE'] == 'partition'
device_path = device['DEVNAME']
device_name = device_path.split('/')[-1]
partition_id = None
partition_name = None
extended_partition_info = None
if is_partition is True:
partition_name = device[
'ID_FS_UUID'] if 'ID_FS_UUID' in device else device_name
if 'ID_PART_ENTRY_NUMBER' in device:
extended_partition_info = True
partition_id = device['ID_PART_ENTRY_NUMBER']
if device_name.startswith(
'nvme') or device_name.startswith('loop'):
device_name = device_name[:0 -
int(len(partition_id)
) - 1]
elif device_name.startswith('md'):
device_name = device_name[:device_name.
index('p')]
else:
device_name = device_name[:0 -
int(len(partition_id)
)]
else:
DiskController._logger.debug(
'Partition {0} has no partition metadata'.
format(device_path))
extended_partition_info = False
match = re.match('^(\D+?)(\d+)$', device_name)
if match is None:
DiskController._logger.debug(
'Could not handle disk/partition {0}'.
format(device_path))
continue # Unable to handle this disk/partition
partition_id = match.groups()[1]
device_name = match.groups()[0]
sectors = int(
client.run(
'cat /sys/block/{0}/size'.format(device_name)))
sector_size = int(
client.run(
'cat /sys/block/{0}/queue/hw_sector_size'.format(
device_name)))
rotational = int(
client.run(
'cat /sys/block/{0}/queue/rotational'.format(
device_name)))
if sectors == 0:
continue
if device_name in raid_members:
continue
if device_name not in configuration:
configuration[device_name] = {'partitions': {}}
path = None
for path_type in ['by-id', 'by-uuid']:
if path is not None:
break
if 'DEVLINKS' in device:
for item in device['DEVLINKS'].split(' '):
if path_type in item:
path = item
if path is None:
path = device_path
if is_partition is True:
if 'ID_PART_ENTRY_TYPE' in device and device[
'ID_PART_ENTRY_TYPE'] == '0x5':
continue # This is an extended partition, let's skip that one
if extended_partition_info is True:
offset = int(
device['ID_PART_ENTRY_OFFSET']) * sector_size
size = int(
device['ID_PART_ENTRY_SIZE']) * sector_size
else:
match = re.match('^(\D+?)(\d+)$', device_path)
if match is None:
DiskController._logger.debug(
'Could not handle disk/partition {0}'.
format(device_path))
continue # Unable to handle this disk/partition
partitions_info = DiskTools.get_partitions_info(
match.groups()[0])
if device_path in partitions_info:
partition_info = partitions_info[device_path]
offset = int(partition_info['start'])
size = int(partition_info['size'])
else:
DiskController._logger.warning(
'Could not retrieve partition info for disk/partition {0}'
.format(device_path))
continue
configuration[device_name]['partitions'][
partition_id] = {
'offset': offset,
'size': size,
'path': path,
'state': 'OK'
}
partition_data = configuration[device_name][
'partitions'][partition_id]
if partition_name in mount_mapping:
mountpoint = mount_mapping[partition_name]
partition_data['mountpoint'] = mountpoint
partition_data['inode'] = rem.os.stat(
mountpoint).st_dev
del mount_mapping[partition_name]
try:
client.run('touch {0}/{1}; rm {0}/{1}'.format(
mountpoint, str(time.time())))
except CalledProcessError:
partition_data['state'] = 'FAILURE'
pass
if 'ID_FS_TYPE' in device:
partition_data['filesystem'] = device['ID_FS_TYPE']
else:
configuration[device_name].update({
'name':
device_name,
'path':
path,
'vendor':
device['ID_VENDOR']
if 'ID_VENDOR' in device else None,
'model':
device['ID_MODEL']
if 'ID_MODEL' in device else None,
'size':
sector_size * sectors,
'is_ssd':
rotational == 0,
'state':
'OK'
})
for partition_name in mount_mapping:
device_name = partition_name.split('/')[-1]
match = re.search('^(\D+?)(\d+)$', device_name)
if match is not None:
device_name = match.groups()[0]
partition_id = match.groups()[1]
if device_name not in configuration:
configuration[device_name] = {
'partitions': {},
'state': 'MISSING'
}
configuration[device_name]['partitions'][
partition_id] = {
'mountpoint':
mount_mapping[partition_name],
'state': 'MISSING'
}
# Sync the model
disk_names = []
for disk in storagerouter.disks:
if disk.name not in configuration:
for partition in disk.partitions:
partition.delete()
disk.delete()
else:
disk_names.append(disk.name)
DiskController._update_disk(disk, configuration[disk.name])
partitions = []
partition_info = configuration[disk.name]['partitions']
for partition in disk.partitions:
if partition.id not in partition_info:
partition.delete()
else:
partitions.append(partition.id)
DiskController._update_partition(
partition, partition_info[partition.id])
for partition_id in partition_info:
if partition_id not in partitions:
DiskController._create_partition(
partition_id, partition_info[partition_id],
disk)
for disk_name in configuration:
if disk_name not in disk_names and configuration[disk_name][
'state'] not in ['MISSING']:
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_id in partition_info:
if partition_info[partition_id]['state'] not in [
'MISSING'
]:
DiskController._create_partition(
partition_id, partition_info[partition_id],
disk)
def test_happypath(self):
"""
Validates the happy path; Hourly snapshots are taken with a few manual consistent
every now and then. The delete policy is executed every day
"""
vpool = VPool()
vpool.name = 'vpool'
vpool.status = 'RUNNING'
vpool.save()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.save()
disk = Disk()
disk.name = 'physical_disk_1'
disk.aliases = ['/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.disk = disk
disk_partition.aliases = ['/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()
vdisk_1 = VDisk()
vdisk_1.name = 'vdisk_1'
vdisk_1.volume_id = 'vdisk_1'
vdisk_1.vpool = vpool
vdisk_1.devicename = 'dummy'
vdisk_1.size = 0
vdisk_1.save()
vdisk_1.reload_client('storagedriver')
[
dynamic for dynamic in vdisk_1._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:
self._print_message('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)
self._print_message('')
self._print_message('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
self._print_message('- Deleting snapshots')
ScheduledTaskController.delete_snapshots(timestamp=base_timestamp +
(minute * 30))
# Validate snapshots
self._print_message('- Validating snapshots')
self._validate(vdisk_1, 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
self._print_message('- Creating snapshots')
for h in xrange(2, 23):
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=vdisk_1.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(vdisk_guid=vdisk_1.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 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 build_dal_structure(structure, previous_structure=None):
"""
Builds a model structure
Example:
structure = DalHelper.build_service_structure(
{'vpools': [1],
'domains': [],
'storagerouters': [1],
'storagedrivers': [(1, 1, 1)], # (<id>, <vpool_id>, <storagerouter_id>)
'mds_services': [(1, 1)], # (<id>, <storagedriver_id>)
'storagerouter_domains': []} # (<id>, <storagerouter_id>, <domain_id>)
)
"""
Configuration.set(key=Configuration.EDITION_KEY,
value=PackageFactory.EDITION_ENTERPRISE)
if previous_structure is None:
previous_structure = {}
vdisks = previous_structure.get('vdisks', {})
vpools = previous_structure.get('vpools', {})
domains = previous_structure.get('domains', {})
services = previous_structure.get('services', {})
mds_services = previous_structure.get('mds_services', {})
storagerouters = previous_structure.get('storagerouters', {})
storagedrivers = previous_structure.get('storagedrivers', {})
storagerouter_domains = previous_structure.get('storagerouter_domains',
{})
service_types = {}
for service_type_name in ServiceType.SERVICE_TYPES.values():
service_type = ServiceTypeList.get_by_name(service_type_name)
if service_type is None:
service_type = ServiceType()
service_type.name = service_type_name
service_type.save()
service_types[service_type_name] = service_type
srclients = {}
for domain_id in structure.get('domains', []):
if domain_id not in domains:
domain = Domain()
domain.name = 'domain_{0}'.format(domain_id)
domain.save()
domains[domain_id] = domain
for vpool_id in structure.get('vpools', []):
if vpool_id not in vpools:
vpool = VPool()
vpool.name = str(vpool_id)
vpool.status = 'RUNNING'
vpool.metadata = {'backend': {}, 'caching_info': {}}
vpool.metadata_store_bits = 5
vpool.save()
vpools[vpool_id] = vpool
else:
vpool = vpools[vpool_id]
srclients[vpool_id] = StorageRouterClient(vpool.guid, None)
Configuration.set(
'/ovs/vpools/{0}/mds_config|mds_tlogs'.format(vpool.guid), 100)
Configuration.set(
'/ovs/vpools/{0}/mds_config|mds_safety'.format(vpool.guid), 2)
Configuration.set(
'/ovs/vpools/{0}/mds_config|mds_maxload'.format(vpool.guid),
75)
Configuration.set(
'/ovs/vpools/{0}/proxies/scrub/generic_scrub'.format(
vpool.guid),
json.dumps({}, indent=4),
raw=True)
for sr_id in structure.get('storagerouters', []):
if sr_id not in storagerouters:
storagerouter = StorageRouter()
storagerouter.name = str(sr_id)
storagerouter.ip = '10.0.0.{0}'.format(sr_id)
storagerouter.rdma_capable = False
storagerouter.node_type = 'MASTER'
storagerouter.machine_id = str(sr_id)
storagerouter.save()
storagerouters[sr_id] = storagerouter
disk = Disk()
disk.storagerouter = storagerouter
disk.state = 'OK'
disk.name = '/dev/uda'
disk.size = 1 * 1024**4
disk.is_ssd = True
disk.aliases = ['/dev/uda']
disk.save()
partition = DiskPartition()
partition.offset = 0
partition.size = disk.size
partition.aliases = ['/dev/uda-1']
partition.state = 'OK'
partition.mountpoint = '/tmp/unittest/sr_{0}/disk_1/partition_1'.format(
sr_id)
partition.disk = disk
partition.roles = [
DiskPartition.ROLES.DB, DiskPartition.ROLES.SCRUB
]
partition.save()
else:
storagerouter = storagerouters[sr_id]
# noinspection PyProtectedMember
System._machine_id[storagerouter.ip] = str(sr_id)
mds_start = 10000 + 100 * (sr_id - 1)
mds_end = 10000 + 100 * sr_id - 1
arakoon_start = 20000 + 100 * (sr_id - 1)
storagedriver_start = 30000 + 100 * (sr_id - 1)
storagedriver_end = 30000 + 100 * sr_id - 1
Configuration.initialize_host(
host_id=sr_id,
port_info={
'mds': [mds_start, mds_end],
'arakoon': arakoon_start,
'storagedriver': [storagedriver_start, storagedriver_end]
})
for sd_id, vpool_id, sr_id in structure.get('storagedrivers', ()):
if sd_id not in storagedrivers:
storagedriver = StorageDriver()
storagedriver.vpool = vpools[vpool_id]
storagedriver.storagerouter = storagerouters[sr_id]
storagedriver.name = str(sd_id)
storagedriver.mountpoint = '/'
storagedriver.cluster_ip = storagerouters[sr_id].ip
storagedriver.storage_ip = '10.0.1.{0}'.format(sr_id)
storagedriver.storagedriver_id = str(sd_id)
storagedriver.ports = {
'management': 1,
'xmlrpc': 2,
'dtl': 3,
'edge': 4
}
storagedriver.save()
storagedrivers[sd_id] = storagedriver
DalHelper.set_vpool_storage_driver_configuration(
vpool=vpools[vpool_id], storagedriver=storagedriver)
for mds_id, sd_id in structure.get('mds_services', ()):
if mds_id not in mds_services:
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_types['MetadataServer']
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
StorageDriverController.add_storagedriverpartition(
sd, {
'size': None,
'role': DiskPartition.ROLES.DB,
'sub_role': StorageDriverPartition.SUBROLE.MDS,
'partition': sd.storagerouter.disks[0].partitions[0],
'mds_service': mds_service
})
for vdisk_id, storage_driver_id, vpool_id, mds_id in structure.get(
'vdisks', ()):
if vdisk_id not in vdisks:
vpool = vpools[vpool_id]
devicename = 'vdisk_{0}'.format(vdisk_id)
mds_backend_config = DalHelper.generate_mds_metadata_backend_config(
[] if mds_id is None else [mds_services[mds_id]])
volume_id = srclients[vpool_id].create_volume(
devicename, mds_backend_config, 0, str(storage_driver_id))
vdisk = VDisk()
vdisk.name = str(vdisk_id)
vdisk.devicename = devicename
vdisk.volume_id = volume_id
vdisk.vpool = vpool
vdisk.size = 0
vdisk.save()
vdisk.reload_client('storagedriver')
vdisks[vdisk_id] = vdisk
for srd_id, sr_id, domain_id, backup in structure.get(
'storagerouter_domains', ()):
if srd_id not in storagerouter_domains:
sr_domain = StorageRouterDomain()
sr_domain.backup = backup
sr_domain.domain = domains[domain_id]
sr_domain.storagerouter = storagerouters[sr_id]
sr_domain.save()
storagerouter_domains[srd_id] = sr_domain
return {
'vdisks': vdisks,
'vpools': vpools,
'domains': domains,
'services': services,
'mds_services': mds_services,
'service_types': service_types,
'storagerouters': storagerouters,
'storagedrivers': storagedrivers,
'storagerouter_domains': storagerouter_domains
}
def sync_with_reality(storagerouter_guid=None):
"""
Syncs the Disks from all StorageRouters with the reality.
:param storagerouter_guid: Guid of the Storage Router to synchronize
"""
storagerouters = []
if storagerouter_guid is not None:
storagerouters.append(StorageRouter(storagerouter_guid))
else:
storagerouters = StorageRouterList.get_storagerouters()
for storagerouter in storagerouters:
try:
client = SSHClient(storagerouter, username='******')
except UnableToConnectException:
DiskController._logger.info('Could not connect to StorageRouter {0}, skipping'.format(storagerouter.ip))
continue
configuration = {}
# Gather mount data
mount_mapping = {}
mount_data = client.run('mount')
for mount in mount_data.splitlines():
mount = mount.strip()
match = re.search('(/dev/(.+?)) on (/.*?) type.*', mount)
if match is not None:
dev_name = match.groups()[0]
uuid = client.run('blkid -o value -s UUID {0}'.format(dev_name))
if uuid:
mount_mapping[uuid] = match.groups()[2]
else:
mount_mapping[match.groups()[1]] = match.groups()[2]
# Gather raid information
try:
md_information = client.run('mdadm --detail /dev/md*', suppress_logging=True)
except CalledProcessError:
md_information = ''
raid_members = []
for member in re.findall('(?: +[0-9]+){4} +[^/]+/dev/([a-z0-9]+)', md_information):
raid_members.append(member)
# Gather disk information
with remote(storagerouter.ip, [Context, os]) as rem:
context = rem.Context()
devices = [device for device in context.list_devices(subsystem='block')
if ('ID_TYPE' in device and device['ID_TYPE'] == 'disk') or
('DEVNAME' in device and ('loop' in device['DEVNAME'] or 'nvme' in device['DEVNAME'] or 'md' in device['DEVNAME']))]
for device in devices:
is_partition = device['DEVTYPE'] == 'partition'
device_path = device['DEVNAME']
device_name = device_path.split('/')[-1]
partition_id = None
partition_name = None
extended_partition_info = None
if is_partition is True:
partition_name = device['ID_FS_UUID'] if 'ID_FS_UUID' in device else device_name
if 'ID_PART_ENTRY_NUMBER' in device:
extended_partition_info = True
partition_id = device['ID_PART_ENTRY_NUMBER']
if device_name.startswith('nvme') or device_name.startswith('loop'):
device_name = device_name[:0 - int(len(partition_id)) - 1]
elif device_name.startswith('md'):
device_name = device_name[:device_name.index('p')]
else:
device_name = device_name[:0 - int(len(partition_id))]
else:
DiskController._logger.debug('Partition {0} has no partition metadata'.format(device_path))
extended_partition_info = False
match = re.match('^(\D+?)(\d+)$', device_name)
if match is None:
DiskController._logger.debug('Could not handle disk/partition {0}'.format(device_path))
continue # Unable to handle this disk/partition
partition_id = match.groups()[1]
device_name = match.groups()[0]
sectors = int(client.run('cat /sys/block/{0}/size'.format(device_name)))
sector_size = int(client.run('cat /sys/block/{0}/queue/hw_sector_size'.format(device_name)))
rotational = int(client.run('cat /sys/block/{0}/queue/rotational'.format(device_name)))
if sectors == 0:
continue
if device_name in raid_members:
continue
if device_name not in configuration:
configuration[device_name] = {'partitions': {}}
path = None
for path_type in ['by-id', 'by-uuid']:
if path is not None:
break
if 'DEVLINKS' in device:
for item in device['DEVLINKS'].split(' '):
if path_type in item:
path = item
if path is None:
path = device_path
if is_partition is True:
if 'ID_PART_ENTRY_TYPE' in device and device['ID_PART_ENTRY_TYPE'] == '0x5':
continue # This is an extended partition, let's skip that one
if extended_partition_info is True:
offset = int(device['ID_PART_ENTRY_OFFSET']) * sector_size
size = int(device['ID_PART_ENTRY_SIZE']) * sector_size
else:
match = re.match('^(\D+?)(\d+)$', device_path)
if match is None:
DiskController._logger.debug('Could not handle disk/partition {0}'.format(device_path))
continue # Unable to handle this disk/partition
partitions_info = DiskTools.get_partitions_info(match.groups()[0])
if device_path in partitions_info:
partition_info = partitions_info[device_path]
offset = int(partition_info['start'])
size = int(partition_info['size'])
else:
DiskController._logger.warning('Could not retrieve partition info for disk/partition {0}'.format(device_path))
continue
configuration[device_name]['partitions'][partition_id] = {'offset': offset,
'size': size,
'path': path,
'state': 'OK'}
partition_data = configuration[device_name]['partitions'][partition_id]
if partition_name in mount_mapping:
mountpoint = mount_mapping[partition_name]
partition_data['mountpoint'] = mountpoint
partition_data['inode'] = rem.os.stat(mountpoint).st_dev
del mount_mapping[partition_name]
try:
client.run('touch {0}/{1}; rm {0}/{1}'.format(mountpoint, str(time.time())))
except CalledProcessError:
partition_data['state'] = 'FAILURE'
pass
if 'ID_FS_TYPE' in device:
partition_data['filesystem'] = device['ID_FS_TYPE']
else:
configuration[device_name].update({'name': device_name,
'path': path,
'vendor': device['ID_VENDOR'] if 'ID_VENDOR' in device else None,
'model': device['ID_MODEL'] if 'ID_MODEL' in device else None,
'size': sector_size * sectors,
'is_ssd': rotational == 0,
'state': 'OK'})
for partition_name in mount_mapping:
device_name = partition_name.split('/')[-1]
match = re.search('^(\D+?)(\d+)$', device_name)
if match is not None:
device_name = match.groups()[0]
partition_id = match.groups()[1]
if device_name not in configuration:
configuration[device_name] = {'partitions': {},
'state': 'MISSING'}
configuration[device_name]['partitions'][partition_id] = {'mountpoint': mount_mapping[partition_name],
'state': 'MISSING'}
# Sync the model
disk_names = []
for disk in storagerouter.disks:
if disk.name not in configuration:
for partition in disk.partitions:
partition.delete()
disk.delete()
else:
disk_names.append(disk.name)
DiskController._update_disk(disk, configuration[disk.name])
partitions = []
partition_info = configuration[disk.name]['partitions']
for partition in disk.partitions:
if partition.id not in partition_info:
partition.delete()
else:
partitions.append(partition.id)
DiskController._update_partition(partition, partition_info[partition.id])
for partition_id in partition_info:
if partition_id not in partitions:
DiskController._create_partition(partition_id, partition_info[partition_id], disk)
for disk_name in configuration:
if disk_name not in disk_names and configuration[disk_name]['state'] not in ['MISSING']:
disk = Disk()
disk.storagerouter = storagerouter
disk.name = disk_name
DiskController._update_disk(disk, configuration[disk_name])
partition_info = configuration[disk_name]['partitions']
for partition_id in partition_info:
if partition_info[partition_id]['state'] not in ['MISSING']:
DiskController._create_partition(partition_id, partition_info[partition_id], disk)
def test_clone_snapshot(self):
"""
Validates that a snapshot that has clones will not be deleted while other snapshots will be deleted
"""
# Setup
# There are 2 disks, second one cloned from a snapshot of the first
vpool = VPool()
vpool.name = 'vpool'
vpool.status = 'RUNNING'
vpool.save()
storage_router = StorageRouter()
storage_router.name = 'storage_router'
storage_router.ip = '127.0.0.1'
storage_router.machine_id = System.get_my_machine_id()
storage_router.rdma_capable = False
storage_router.save()
disk = Disk()
disk.name = 'physical_disk_1'
disk.aliases = ['/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.disk = disk
disk_partition.aliases = ['/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()
storage_driver = StorageDriver()
storage_driver.vpool = vpool
storage_driver.storagerouter = storage_router
storage_driver.name = 'storage_driver_1'
storage_driver.mountpoint = '/'
storage_driver.cluster_ip = storage_router.ip
storage_driver.storage_ip = '127.0.0.1'
storage_driver.storagedriver_id = 'storage_driver_1'
storage_driver.ports = {
'management': 1,
'xmlrpc': 2,
'dtl': 3,
'edge': 4
}
storage_driver.save()
service_type = ServiceType()
service_type.name = 'MetadataServer'
service_type.save()
service = Service()
service.name = 'service_1'
service.storagerouter = storage_driver.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 = storage_driver.vpool
mds_service.save()
vdisk_1_1 = VDisk()
vdisk_1_1.name = 'vdisk_1_1'
vdisk_1_1.volume_id = 'vdisk_1_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('storagedriver')
[
dynamic for dynamic in vdisk_1_1._dynamics
if dynamic.name == 'snapshots'
][0].timeout = 0
travis = 'TRAVIS' in os.environ and os.environ['TRAVIS'] == 'true'
if travis is True:
print 'Running in Travis, reducing output.'
base = datetime.datetime.now().date()
day = datetime.timedelta(1)
base_timestamp = self._make_timestamp(base, day)
minute = 60
hour = minute * 60
for h in [6, 12, 18]:
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=vdisk_1_1.guid,
metadata={
'label':
'snapshot_{0}:30'.format(
str(h)),
'is_consistent':
True,
'timestamp':
str(timestamp),
'machineguid':
None
})
base_snapshot_guid = vdisk_1_1.snapshots[0]['guid'] # Oldest
clone_vdisk = VDisk()
clone_vdisk.name = 'clone_vdisk'
clone_vdisk.volume_id = 'clone_vdisk'
clone_vdisk.vpool = vpool
clone_vdisk.devicename = 'dummy'
clone_vdisk.parentsnapshot = base_snapshot_guid
clone_vdisk.size = 0
clone_vdisk.save()
clone_vdisk.reload_client('storagedriver')
for h in [6, 12, 18]:
timestamp = base_timestamp + (hour * h)
VDiskController.create_snapshot(vdisk_guid=clone_vdisk.guid,
metadata={
'label':
'snapshot_{0}:30'.format(
str(h)),
'is_consistent':
True,
'timestamp':
str(timestamp),
'machineguid':
None
})
base_timestamp = self._make_timestamp(base, day * 2)
ScheduledTaskController.delete_snapshots(timestamp=base_timestamp +
(minute * 30))
self.assertIn(
base_snapshot_guid, [snap['guid'] for snap in vdisk_1_1.snapshots],
'Snapshot was deleted while there are still clones of it')