def clean_dst(self, host_dst, path_dst):
"""
Remove the file on destination.
:param host_dst: The destination host
:param path_dst: The path of file on destination host
"""
files.remote_rm(self.runner(host_dst, 'dst'), path_dst,
ignoring_errors=True)
def transfer(self, data):
host_src = data['host_src']
path_src = data['path_src']
host_dst = data['host_dst']
path_dst = data['path_dst']
gateway = data.get('gateway')
src_runner = self.runner(host_src, 'src', gateway)
dst_runner = self.runner(host_dst, 'dst', gateway)
block_size = CONF.migrate.ssh_chunk_size
file_size = files.remote_file_size_mb(src_runner, path_src)
num_blocks = int(math.ceil(float(file_size) / block_size))
src_temp_dir = os.path.join(os.path.basename(path_src), '.cf.copy')
dst_temp_dir = os.path.join(os.path.basename(path_dst), '.cf.copy')
part_filename = os.path.basename(path_src) + '.part'
with files.FullAccessRemoteDir(src_runner, src_temp_dir) as src_tmp, \
files.FullAccessRemoteDir(dst_runner, dst_temp_dir) as dst_tmp:
src_part_path = os.path.join(src_tmp.dirname, part_filename)
dst_part_path = os.path.join(dst_tmp.dirname, part_filename)
for i in xrange(num_blocks):
files.remote_split_file(src_runner, path_src, src_part_path, i,
block_size)
gzipped_path = files.remote_gzip(src_runner, src_part_path)
gzipped_filename = os.path.basename(gzipped_path)
dst_gzipped_path = os.path.join(dst_tmp.dirname,
gzipped_filename)
self.run_scp(host_src, gzipped_path, host_dst,
dst_gzipped_path, gateway)
files.remote_unzip(dst_runner, dst_gzipped_path)
files.remote_join_file(dst_runner, path_dst, dst_part_path, i,
block_size)
files.remote_rm(src_runner, src_part_path)
files.remote_rm(dst_runner, dst_part_path)
if not self.verify(host_src, path_src, host_dst, path_dst, gateway):
self.clean_dst(host_dst, path_dst)
raise base.FileCopyError(**data)
def transfer(self, data):
host_src = data['host_src']
path_src = data['path_src']
host_dst = data['host_dst']
path_dst = data['path_dst']
gateway = data.get('gateway')
src_runner = self.runner(host_src, 'src', gateway)
dst_runner = self.runner(host_dst, 'dst', gateway)
block_size = CONF.migrate.ssh_chunk_size
file_size = files.remote_file_size_mb(src_runner, path_src)
num_blocks = int(math.ceil(float(file_size) / block_size))
src_temp_dir = os.path.join(os.path.basename(path_src), '.cf.copy')
dst_temp_dir = os.path.join(os.path.basename(path_dst), '.cf.copy')
part_filename = os.path.basename(path_src) + '.part'
with files.FullAccessRemoteDir(src_runner, src_temp_dir) as src_tmp, \
files.FullAccessRemoteDir(dst_runner, dst_temp_dir) as dst_tmp:
src_part_path = os.path.join(src_tmp.dirname, part_filename)
dst_part_path = os.path.join(dst_tmp.dirname, part_filename)
for i in range(num_blocks):
files.remote_split_file(src_runner, path_src, src_part_path, i,
block_size)
gzipped_path = files.remote_gzip(src_runner, src_part_path)
gzipped_filename = os.path.basename(gzipped_path)
dst_gzipped_path = os.path.join(dst_tmp.dirname,
gzipped_filename)
self.run_scp(host_src, gzipped_path, host_dst,
dst_gzipped_path, gateway)
files.remote_unzip(dst_runner, dst_gzipped_path)
files.remote_join_file(dst_runner, path_dst, dst_part_path, i,
block_size)
files.remote_rm(src_runner, src_part_path)
files.remote_rm(dst_runner, dst_part_path)
if not self.verify(host_src, path_src, host_dst, path_dst, gateway):
self.clean_dst(host_dst, path_dst)
raise base.FileCopyError(**data)
def reuse_source_volume(self, src_volume):
"""Creates volume on destination with same id from source"""
volume_id = src_volume['id']
original_size = src_volume['size']
src_volume_object = self.dst_cinder_backend.get_volume_object(
self.dst_cloud, volume_id)
LOG.debug("Backing file for source volume on destination cloud: %s",
src_volume_object)
fake_volume = copy.deepcopy(src_volume)
fake_volume['size'] = 1
dst_volume, dst_volume_object = self._create_volume(fake_volume)
user = self.dst_cloud.cloud_config.cloud.ssh_user
password = self.dst_cloud.cloud_config.cloud.ssh_sudo_password
rr = remote_runner.RemoteRunner(dst_volume_object.host, user,
password=password, sudo=True,
ignore_errors=True)
files.remote_rm(rr, dst_volume_object.path)
dst_cinder = self.dst_cloud.resources[utils.STORAGE_RESOURCE]
dst_db = cinder_db.CinderDBBroker(dst_cinder.mysql_connector)
dst_db.update_volume_id(dst_volume.id, volume_id)
if original_size > 1:
inc_size = original_size - 1
project_id = dst_db.get_cinder_volume(volume_id).project_id
dst_db.inc_quota_usages(project_id, 'gigabytes', inc_size)
volume_type = (None
if dst_volume.volume_type == 'None'
else dst_volume.volume_type)
if volume_type:
dst_db.inc_quota_usages(project_id,
'gigabytes_%s' % volume_type, inc_size)
provider_location = self.dst_cinder_backend.get_provider_location(
self.dst_cloud,
dst_volume_object.host,
src_volume_object.path
)
dst_db.update_volume(volume_id, provider_location=provider_location,
size=original_size)
return dst_cinder.get_volume_by_id(volume_id)
def reuse_source_volume(self, src_volume):
"""Creates volume on destination with same id from source"""
volume_id = src_volume['id']
original_size = src_volume['size']
src_volume_object = self.dst_cinder_backend.get_volume_object(
self.dst_cloud, volume_id)
LOG.debug("Backing file for source volume on destination cloud: %s",
src_volume_object)
fake_volume = copy.deepcopy(src_volume)
fake_volume['size'] = 1
dst_volume, dst_volume_object = self._create_volume(fake_volume)
user = self.dst_cloud.cloud_config.cloud.ssh_user
password = self.dst_cloud.cloud_config.cloud.ssh_sudo_password
rr = remote_runner.RemoteRunner(dst_volume_object.host, user,
password=password, sudo=True,
ignore_errors=True)
files.remote_rm(rr, dst_volume_object.path)
dst_cinder = self.dst_cloud.resources[utils.STORAGE_RESOURCE]
dst_db = cinder_db.CinderDBBroker(dst_cinder.mysql_connector)
dst_db.update_volume_id(dst_volume.id, volume_id)
if original_size > 1:
inc_size = original_size - 1
project_id = dst_db.get_cinder_volume(volume_id).project_id
dst_db.inc_quota_usages(project_id, 'gigabytes', inc_size)
volume_type = (None
if dst_volume.volume_type == 'None'
else dst_volume.volume_type)
if volume_type:
dst_db.inc_quota_usages(project_id,
'gigabytes_%s' % volume_type, inc_size)
provider_location = self.dst_cinder_backend.get_provider_location(
self.dst_cloud,
dst_volume_object.host,
src_volume_object.path
)
dst_db.update_volume(volume_id, provider_location=provider_location,
size=original_size)
return dst_cinder.get_volume_by_id(volume_id)