def backup_img_chain(image_file):
"""
Backup whole image in a image chain;
"""
mount_point = tempfile.mkdtemp(dir=test.resultsdir)
qemu_img = utils_misc.get_qemu_img_binary(params)
if enable_gluster:
g_uri = gluster.create_gluster_uri(params)
gluster.glusterfs_mount(g_uri, mount_point)
image_name = os.path.basename(image_file)
image_file = os.path.join(mount_point, image_name)
logging.warn("backup %s to %s" % (image_file, test.resultsdir))
shutil.copy(image_file, test.resultsdir)
backing_file = _info(qemu_img, image_file, "backing file", None)
if backing_file:
backup_img_chain(backing_file)
elif enable_gluster:
utils_misc.umount(g_uri, mount_point, "glusterfs", False, "fuse.glusterfs")
shutil.rmtree(mount_point)
return None
def backup_img_chain(image_file):
"""
Backup whole image in a image chain;
"""
mount_point = tempfile.mkdtemp(dir=test.resultsdir)
qemu_img = utils_misc.get_qemu_img_binary(params)
if enable_gluster:
g_uri = gluster.create_gluster_uri(params)
gluster.glusterfs_mount(g_uri, mount_point)
image_name = os.path.basename(image_file)
image_file = os.path.join(mount_point, image_name)
logging.warn("backup %s to %s" % (image_file, test.resultsdir))
shutil.copy(image_file, test.resultsdir)
backing_file = _info(qemu_img, image_file, "backing file", None)
if backing_file:
backup_img_chain(backing_file)
elif enable_gluster:
utils_misc.umount(g_uri, mount_point, "glusterfs", False,
"fuse.glusterfs")
shutil.rmtree(mount_point)
return None
def create_or_clean_backend_dir(g_uri,
params,
session=None,
is_clean=False):
"""
Create/cleanup backend directory
:params g_uri: glusterfs uri
:params params: the parameters to be checked
:params session: VM/remote session object
:params is_cleanup: True for cleanup backend directory;
False for create one.
:return: gluster_img if is_clean is equal to True
"""
mount_point = params.get("gluster_mount_dir")
is_symlink = params.get("gluster_create_symlink") == "yes"
symlink_name = params.get("gluster_symlink")
gluster_img = None
if not is_clean:
if not utils_misc.check_exists(mount_point, session):
utils_misc.make_dirs(mount_point, session)
if gluster.glusterfs_is_mounted(mount_point, session):
gluster.glusterfs_umount(g_uri, mount_point, session)
gluster.glusterfs_mount(g_uri, mount_point, session)
gluster_img = os.path.join(mount_point, disk_img)
if is_symlink:
utils_misc.make_symlink(mount_point, symlink_name)
utils_misc.make_symlink(mount_point, symlink_name,
remote_session)
gluster_img = os.path.join(symlink_name, disk_img)
return gluster_img
else:
if is_symlink:
utils_misc.rm_link(symlink_name, session)
gluster.glusterfs_umount(g_uri, mount_point, session)
if utils_misc.check_exists(mount_point, session):
utils_misc.safe_rmdir(gluster_mount_dir, session=session)