class ImageAPI(object):
def __init__(self, manager=None, storage_api=None):
if manager:
self.manager = manager
else:
self.manager = ImageManager()
if storage_api:
self.storage_api = storage_api
else:
self.storage_api = CephStorageAPI()
def _valid_diskname(self, disk_name):
try:
disk_name = str(disk_name)
except:
return False
if len(disk_name) <= 0:
return False
return True
def init_disk(self, image_id, disk_name):
'''初始化磁盘'''
image = self.manager.get_image_by_id(image_id)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
return self.storage_api.clone(image.cephpool_id, image.snap, disk_name)
def rm_disk(self, image_id, disk_name):
image = self.manager.get_image_by_id(image_id)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
return self.storage_api.rm(image.cephpool_id, disk_name)
def archive_disk(self, image_id, disk_name, archive_disk_name=None):
if archive_disk_name == None:
archive_disk_name = 'x_' + str(
disk_name) + '_' + datetime.now().strftime("%Y%m%d%H%M%S%f")
else:
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
image = self.manager.get_image_by_id(image_id)
if self.storage_api.mv(image.cephpool_id, disk_name,
archive_disk_name):
return archive_disk_name
return False
def disk_exists(self, image_id, disk_name):
image = self.manager.get_image_by_id(image_id)
return self.storage_api.exists(image.cephpool_id, disk_name)
def restore_disk(self, image_id, archive_disk_name):
try:
disk_name = archive_disk_name[2:38]
except:
raise Error(ERR_DISK_NAME)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
image = self.manager.get_image_by_id(image_id)
if self.storage_api.mv(image.cephpool_id, archive_disk_name,
disk_name):
return True
return False
def get_image_info_by_id(self, image_id):
'''根据镜像ID获取镜像相关的信息， 返回数据格式： {
'image_snap': *******,
'image_name': *******,
'image_version': ***,
'ceph_id': *,
'ceph_host': *.*.*.*,
'ceph_port': ****,
'ceph_uuid': ************************,
'ceph_pool': ******,
'ceph_username': *****
}
'''
res = self.manager.get_image_info(image_id)
if not res:
raise Error(ERR_IMAGE_INFO)
return res
def get_xml_tpl(self, image_id):
image = self.manager.get_image_by_id(image_id)
return image.xml
def get_image_by_id(self, image_id):
return self.manager.get_image_by_id(image_id)
def get_image_list_by_pool_id(self, pool_id, enable=None):
return self.manager.get_image_list_by_pool_id(pool_id, enable)
def get_image_type_list(self):
return self.manager.get_image_type_list()
class CephVolumeAPI(object):
def __init__(self,
manager=None,
storage_api=None,
vm_api=None,
group_api=None,
quota=None):
if not manager:
self.manager = CephManager()
else:
self.manager = manager
if not storage_api:
self.storage_api = CephStorageAPI()
else:
self.storage_api = storage_api
if not vm_api:
self.vm_api = VmAPI()
else:
self.vm_api = vm_api
if not group_api:
self.group_api = GroupAPI()
else:
self.group_api = group_api
if not quota:
self.quota = CephQuota()
else:
self.quota = quota
super().__init__()
def create(self, group_id, size):
group = self.group_api.get_group_by_id(group_id)
if not self.quota.group_quota_validate(group_id, size):
raise Error(ERR_VOLUME_QUOTA_G)
if not self.quota.volume_quota_validate(group_id, size):
raise Error(ERR_VOLUME_QUOTA_V)
cephpool = self.storage_api.get_volume_pool_by_center_id(
group.center_id)
if not cephpool:
raise Error(ERR_VOLUME_CREATE_NOPOOL)
if type(size) != int or size <= 0:
raise Error(ERR_INT_VOLUME_SIZE)
return self.manager.create_volume(cephpool, size, group_id)
def delete(self, volume_id, force=False):
volume = self.get_volume_by_id(volume_id)
if volume.vm:
raise Error(ERR_DEL_MOUNTED_VOLUME)
cephpool_id = volume.cephpool_id
tmp_volume_name = 'x_' + volume_id
if self.storage_api.mv(cephpool_id, volume_id, tmp_volume_name):
if not volume.delete():
self.storage_api.mv(cephpool_id, tmp_volume_name, volume_id)
return False
if force == True:
if not self.storage_api.rm(cephpool_id, tmp_volume_name):
print(ERR_CEPH_RM)
else:
raise Error(ERR_CEPH_MV)
return True
def resize(self, volume_id, size):
volume = self.get_volume_by_id(volume_id)
if not self.quota.group_quota_validate(volume.group_id, size,
volume.size):
raise Error(ERR_VOLUME_QUOTA_G)
if not self.quota.volume_quota_validate(volume.group_id, size):
raise Error(ERR_VOLUME_QUOTA_V)
if self.storage_api.resize(volume.cephpool_id, volume.id, size):
return volume.resize(size)
else:
raise Error(ERR_CEPH_RESIZE)
def _get_disk_xml(self, volume, dev):
cephpool = self.storage_api.get_pool_by_id(volume.cephpool_id)
xml = volume.xml_tpl % {
'type': 'network',
'device': 'disk',
'driver': 'qemu',
'auth_user': cephpool.username,
'auth_type': 'ceph',
'auth_uuid': cephpool.uuid,
'source_protocol': 'rbd',
'pool': cephpool.pool,
'name': volume.id,
'host': cephpool.host,
'port': cephpool.port,
'dev': dev
}
return xml
def mount(self, vm_uuid, volume_id):
volume = self.get_volume_by_id(volume_id)
vm = self.vm_api.get_vm_by_uuid(vm_uuid)
if vm.group_id != volume.group_id:
return False
disk_list = vm.get_disk_list()
mounted_volume_list = self.get_volume_list(vm_uuid=vm_uuid)
for v in mounted_volume_list:
disk_list.append(v.dev)
print(disk_list)
i = 0
while True:
j = i
d = ''
while True:
d += chr(ord('a') + j % 26)
j //= 26
if j <= 0:
break
if not 'vd' + d in disk_list:
dev = 'vd' + d
break
i += 1
xml = self._get_disk_xml(volume, dev)
print(xml)
if volume.mount(vm_uuid, dev):
try:
if self.vm_api.attach_device(vm_uuid, xml):
return True
except Error as e:
volume.umount()
raise e
return False
def umount(self, volume_id):
volume = self.get_volume_by_id(volume_id)
vm_uuid = volume.vm
if self.vm_api.vm_uuid_exists(vm_uuid):
vm = self.vm_api.get_vm_by_uuid(vm_uuid)
disk_list = vm.get_disk_list()
if not volume.dev in disk_list:
if volume.umount():
return True
return False
xml = self._get_disk_xml(volume, volume.dev)
if self.vm_api.detach_device(vm_uuid, xml):
try:
if volume.umount():
return True
except Error as e:
self.vm_api.attach_device(vm_uuid, xml)
raise e
else:
if volume.umount():
return True
return False
def set_remark(self, volume_id, content):
volume = self.get_volume_by_id(volume_id)
return volume.set_remark(content)
def get_volume_list_by_pool_id(self, cephpool_id):
cephpool = self.storage_api.get_pool_by_id(cephpool_id)
return self.manager.get_volume_list(cephpool_id=cephpool_id)
def get_volume_list_by_user_id(self, user_id):
return self.manager.get_volume_list(user_id=user_id)
def get_volume_list_by_group_id(self, group_id):
return self.manager.get_volume_list(group_id=group_id)
def get_volume_list_by_vm_uuid(self, vm_uuid):
return self.manager.get_volume_list(vm_uuid=vm_uuid)
def get_volume_list(self,
user_id=None,
creator=None,
cephpool_id=None,
group_id=None,
vm_uuid=None):
return self.manager.get_volume_list(user_id=user_id,
creator=creator,
cephpool_id=cephpool_id,
group_id=group_id,
vm_uuid=vm_uuid)
def get_volume_by_id(self, volume_id):
return self.manager.get_volume_by_id(volume_id)
def set_user_id(self, volume_id, user_id):
volume = self.get_volume_by_id(volume_id)
return volume.set_user_id(user_id)
def set_group_id(self, volume_id, group_id):
volume = self.get_volume_by_id(volume_id)
return volume.set_group_id(group_id)
class CephVolumeAPI(object):
def __init__(self, manager=None, storage_api=None, vm_api=None, group_api=None, quota=None):
if not manager:
self.manager = CephManager()
else:
self.manager = manager
if not storage_api:
self.storage_api = CephStorageAPI()
else:
self.storage_api = storage_api
if not vm_api:
self.vm_api = VmAPI()
else:
self.vm_api = vm_api
if not group_api:
self.group_api = GroupAPI()
else:
self.group_api = group_api
if not quota:
self.quota = CephQuota()
else:
self.quota = quota
super().__init__()
def create(self, group_id, size):
group = self.group_api.get_group_by_id(group_id)
if not self.quota.group_quota_validate(group_id, size):
raise Error(ERR_VOLUME_QUOTA_G)
if not self.quota.volume_quota_validate(group_id, size):
raise Error(ERR_VOLUME_QUOTA_V)
cephpool = self.storage_api.get_volume_pool_by_center_id(group.center_id)
if not cephpool:
raise Error(ERR_VOLUME_CREATE_NOPOOL)
if type(size) != int or size <= 0:
raise Error(ERR_INT_VOLUME_SIZE)
return self.manager.create_volume(cephpool, size, group_id)
def delete(self, volume_id, force=False):
volume = self.get_volume_by_id(volume_id)
if volume.vm:
raise Error(ERR_DEL_MOUNTED_VOLUME)
cephpool_id = volume.cephpool_id
tmp_volume_name = 'x_' + volume_id
if self.storage_api.mv(cephpool_id, volume_id, tmp_volume_name):
if not volume.delete():
self.storage_api.mv(cephpool_id, tmp_volume_name, volume_id)
return False
if force == True:
if not self.storage_api.rm(cephpool_id, tmp_volume_name):
print(ERR_CEPH_RM)
else:
raise Error(ERR_CEPH_MV)
return True
def resize(self, volume_id, size):
volume = self.get_volume_by_id(volume_id)
if not self.quota.group_quota_validate(volume.group_id, size, volume.size):
raise Error(ERR_VOLUME_QUOTA_G)
if not self.quota.volume_quota_validate(volume.group_id, size):
raise Error(ERR_VOLUME_QUOTA_V)
if self.storage_api.resize(volume.cephpool_id, volume.id, size):
return volume.resize(size)
else:
raise Error(ERR_CEPH_RESIZE)
def _get_disk_xml(self, volume, dev):
cephpool = self.storage_api.get_pool_by_id(volume.cephpool_id)
xml = volume.xml_tpl % {
'type': 'network',
'device': 'disk',
'driver': 'qemu',
'auth_user': cephpool.username,
'auth_type': 'ceph',
'auth_uuid': cephpool.uuid,
'source_protocol': 'rbd',
'pool': cephpool.pool,
'name': volume.id,
'host': cephpool.host,
'port': cephpool.port,
'dev': dev
}
return xml
def mount(self, vm_uuid, volume_id):
volume = self.get_volume_by_id(volume_id)
vm = self.vm_api.get_vm_by_uuid(vm_uuid)
if vm.group_id != volume.group_id:
return False
disk_list = vm.get_disk_list()
mounted_volume_list = self.get_volume_list(vm_uuid=vm_uuid)
for v in mounted_volume_list:
disk_list.append(v.dev)
print(disk_list)
i = 0
while True:
j = i
d = ''
while True:
d += chr(ord('a') + j % 26)
j //= 26
if j <= 0:
break
if not 'vd' + d in disk_list:
dev = 'vd' + d
break
i+=1
xml = self._get_disk_xml(volume, dev)
print(xml)
if volume.mount(vm_uuid, dev):
try:
if self.vm_api.attach_device(vm_uuid, xml):
return True
except Error as e:
volume.umount()
raise e
return False
def umount(self, volume_id):
volume = self.get_volume_by_id(volume_id)
vm_uuid = volume.vm
if self.vm_api.vm_uuid_exists(vm_uuid):
vm = self.vm_api.get_vm_by_uuid(vm_uuid)
disk_list = vm.get_disk_list()
if not volume.dev in disk_list:
if volume.umount():
return True
return False
xml = self._get_disk_xml(volume, volume.dev)
if self.vm_api.detach_device(vm_uuid, xml):
try:
if volume.umount():
return True
except Error as e:
self.vm_api.attach_device(vm_uuid, xml)
raise e
else:
if volume.umount():
return True
return False
def set_remark(self, volume_id, content):
volume = self.get_volume_by_id(volume_id)
return volume.set_remark(content)
def get_volume_list_by_pool_id(self, cephpool_id):
cephpool = self.storage_api.get_pool_by_id(cephpool_id)
return self.manager.get_volume_list(cephpool_id=cephpool_id)
def get_volume_list_by_user_id(self, user_id):
return self.manager.get_volume_list(user_id=user_id)
def get_volume_list_by_group_id(self, group_id):
return self.manager.get_volume_list(group_id=group_id)
def get_volume_list_by_vm_uuid(self, vm_uuid):
return self.manager.get_volume_list(vm_uuid=vm_uuid)
def get_volume_list(self, user_id=None, creator=None, cephpool_id=None, group_id=None, vm_uuid=None):
return self.manager.get_volume_list(user_id=user_id, creator=creator, cephpool_id=cephpool_id, group_id=group_id, vm_uuid=vm_uuid)
def get_volume_by_id(self, volume_id):
return self.manager.get_volume_by_id(volume_id)
def set_user_id(self, volume_id, user_id):
volume = self.get_volume_by_id(volume_id)
return volume.set_user_id(user_id)
def set_group_id(self, volume_id, group_id):
volume = self.get_volume_by_id(volume_id)
return volume.set_group_id(group_id)
class ImageAPI(object):
def __init__(self, manager=None, storage_api=None):
if manager:
self.manager = manager
else:
self.manager = ImageManager()
if storage_api:
self.storage_api = storage_api
else:
self.storage_api = CephStorageAPI()
def _valid_diskname(self, disk_name):
try:
disk_name = str(disk_name)
except:
return False
if len(disk_name) <= 0:
return False
return True
def init_disk(self, image_id, disk_name):
'''初始化磁盘'''
image = self.manager.get_image_by_id(image_id)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
return self.storage_api.clone(image.cephpool_id, image.snap, disk_name)
def rm_disk(self, image_id, disk_name):
image = self.manager.get_image_by_id(image_id)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
return self.storage_api.rm(image.cephpool_id, disk_name)
def archive_disk(self, image_id, disk_name, archive_disk_name=None):
if archive_disk_name == None:
archive_disk_name = 'x_'+str(disk_name)+'_'+datetime.now().strftime("%Y%m%d%H%M%S%f")
else:
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
image = self.manager.get_image_by_id(image_id)
if self.storage_api.mv(image.cephpool_id, disk_name, archive_disk_name):
return archive_disk_name
return False
def disk_exists(self, image_id, disk_name):
image = self.manager.get_image_by_id(image_id)
return self.storage_api.exists(image.cephpool_id, disk_name)
def restore_disk(self, image_id, archive_disk_name):
try:
disk_name = archive_disk_name[2:38]
except:
raise Error(ERR_DISK_NAME)
if not self._valid_diskname(disk_name):
raise Error(ERR_DISK_NAME)
image = self.manager.get_image_by_id(image_id)
if self.storage_api.mv(image.cephpool_id, archive_disk_name, disk_name):
return True
return False
def get_image_info_by_id(self, image_id):
'''根据镜像ID获取镜像相关的信息， 返回数据格式： {
'image_snap': *******,
'image_name': *******,
'image_version': ***,
'ceph_id': *,
'ceph_host': *.*.*.*,
'ceph_port': ****,
'ceph_uuid': ************************,
'ceph_pool': ******,
'ceph_username': *****
}
'''
res = self.manager.get_image_info(image_id)
if not res:
raise Error(ERR_IMAGE_INFO)
return res
def get_xml_tpl(self, image_id):
image = self.manager.get_image_by_id(image_id)
return image.xml
def get_image_by_id(self, image_id):
return self.manager.get_image_by_id(image_id)
def get_image_list_by_pool_id(self, pool_id):
return self.manager.get_image_list_by_pool_id(pool_id)
def get_image_type_list(self):
return self.manager.get_image_type_list()
