def process_image(self, img_id=None, diff=None):
"""
Processing image file: copy from source to destination,
create glance image
:param img_id: image ID from source
:param diff: diff file of root disk for instance
:return: new image ID if image is created
"""
with files.RemoteTempDir(self.src_runner) as src_tmp_dir,\
files.RemoteTempDir(self.dst_runner) as dst_tmp_dir:
diff_name = 'diff'
base_name = 'base'
diff_file = os.path.join(src_tmp_dir, diff_name)
self.src_runner.run('cp {} {}'.format(diff, diff_file))
base_file = os.path.join(src_tmp_dir, base_name)
dst_base_file = os.path.join(dst_tmp_dir, base_name)
qemu_img_src = self.src_cloud.qemu_img
base = qemu_img_src.detect_backing_file(diff, self.src_host)
if base is not None:
self.src_runner.run('cp {} {}'.format(base, base_file))
qemu_img_src.diff_rebase(base_file, diff_file, self.src_host)
qemu_img_src.diff_commit(src_tmp_dir, diff_name, self.src_host)
verified_file_copy(self.src_runner, self.dst_runner,
self.dst_user, base_file, dst_base_file,
self.dst_host, 1)
else:
verified_file_copy(self.src_runner, self.dst_runner,
self.dst_user, diff_file, dst_base_file,
self.dst_host, 1)
image_resource = self.dst_cloud.resources[utils.IMAGE_RESOURCE]
id = image_resource.glance_img_create(img_id, 'qcow2',
dst_base_file)
checksum = remote_md5_sum(self.dst_runner, dst_base_file)
return {'id': id, 'checksum': checksum}
def test_retries_if_error_occurs(self, scp, _):
src_runner = mock.Mock()
dst_runner = mock.Mock()
user = '******'
src_path = '/tmp/srcfile'
dst_path = '/tmp/dstfile'
dest_host = 'desthostname'
num_retries = 10
scp.side_effect = remote_runner.RemoteExecutionError
try:
ssh_chunks.verified_file_copy(src_runner, dst_runner, user,
src_path, dst_path, dest_host,
num_retries)
except ssh_chunks.FileCopyFailure:
assert scp.call_count == num_retries + 1
def process_image(self, img_id=None, diff=None):
"""
Processing image file: copy from source to destination,
create glance image
:param img_id: image ID from source
:param diff: diff file of root disk for instance
:return: new image ID if image is created
"""
with files.RemoteTempDir(self.src_runner) as src_tmp_dir,\
files.RemoteTempDir(self.dst_runner) as dst_tmp_dir:
diff_name = 'diff'
base_name = 'base'
diff_file = os.path.join(src_tmp_dir, diff_name)
self.src_runner.run('cp {} {}'.format(diff, diff_file))
base_file = os.path.join(src_tmp_dir, base_name)
dst_base_file = os.path.join(dst_tmp_dir, base_name)
qemu_img_src = self.src_cloud.qemu_img
base = qemu_img_src.detect_backing_file(diff, self.src_host)
if base is not None:
self.src_runner.run('cp {} {}'.format(base, base_file))
qemu_img_src.diff_rebase(base_file, diff_file, self.src_host)
qemu_img_src.diff_commit(src_tmp_dir, diff_name, self.src_host)
verified_file_copy(self.src_runner,
self.dst_runner,
self.dst_user,
base_file,
dst_base_file,
self.dst_host,
1)
else:
verified_file_copy(self.src_runner,
self.dst_runner,
self.dst_user,
diff_file,
dst_base_file,
self.dst_host,
1)
image_resource = self.dst_cloud.resources[utils.IMAGE_RESOURCE]
id = image_resource.glance_img_create(img_id, 'qcow2',
dst_base_file)
checksum = remote_md5_sum(self.dst_runner, dst_base_file)
return {'id': id, 'checksum': checksum}