def desc_files_backup(job_data):
''' Function, creates a desc backup of directories.
At the entrance receives a dictionary with the data of the job.
'''
try:
job_name = job_data['job']
backup_type = job_data['type']
tmp_dir = job_data['tmp_dir']
sources = job_data['sources']
storages = job_data['storages']
except KeyError as e:
log_and_mail.writelog('ERROR', f"Missing required key:'{e}'!",
config.filelog_fd, job_name)
return 1
full_path_tmp_dir = general_function.get_tmp_dir(tmp_dir, backup_type)
for i in range(len(sources)):
exclude_list = sources[i].get('excludes', '')
try:
target_list = sources[i]['target']
gzip = sources[i]['gzip']
except KeyError as e:
log_and_mail.writelog('ERROR', f"Missing required key:'{e}'!",
config.filelog_fd, job_name)
continue
# Keeping an exception list in the global variable due to the specificity of
# the `filter` key of the `add` method of the `tarfile` class
general_files_func.EXCLUDE_FILES = general_files_func.get_exclude_ofs(target_list,
exclude_list)
# The backup name is selected depending on the particular glob patterns from
# the list `target_list`
for regex in target_list:
target_ofs_list = general_files_func.get_ofs(regex)
if not target_ofs_list:
log_and_mail.writelog('ERROR', "No file system objects found that" +\
f"match the regular expression '{regex}'!",
config.filelog_fd, job_name)
continue
for i in target_ofs_list:
# Create a backup only if the directory is not in the exception list
# so as not to generate empty backups
if not general_files_func.is_excluded_ofs(i):
# A function that by regularity returns the name of
# the backup WITHOUT EXTENSION AND DATE
backup_file_name = general_files_func.get_name_files_backup(regex, i)
# Get the part of the backup storage path for this archive relative to
# the backup dir
part_of_dir_path = backup_file_name.replace('___', '/')
backup_full_tmp_path = general_function.get_full_path(
full_path_tmp_dir,
backup_file_name,
'tar',
gzip)
periodic_backup.remove_old_local_file(storages, part_of_dir_path, job_name)
if general_files_func.create_tar('files', backup_full_tmp_path, i,
gzip, backup_type, job_name):
# If the dump collection in the temporary directory has successfully
# transferred the data to the specified storage
periodic_backup.general_desc_iteration(backup_full_tmp_path,
storages, part_of_dir_path,
job_name)
else:
continue
# After all the manipulations, delete the created temporary directory and
# data inside the directory with cache davfs, but not the directory itself!
general_function.del_file_objects(backup_type,
full_path_tmp_dir, '/var/cache/davfs2/*')
def inc_files_backup(job_data):
""" The function collects an incremental backup for the specified partition.
"""
is_prams_read, job_name, backup_type, tmp_dir, sources, storages, safety_backup, deferred_copying_level = \
general_function.get_job_parameters(job_data)
if not is_prams_read:
return
for i in range(len(sources)):
target_list = sources[i]['target']
exclude_list = sources[i].get('excludes', '')
gzip = sources[i]['gzip']
# Keeping an exception list in the global variable due to the specificity of
# the `filter` key of the `add` method of the `tarfile` class
general_files_func.EXCLUDE_FILES = general_files_func.get_exclude_ofs(target_list,
exclude_list)
# The backup name is selected depending on the particular glob patterns from
# the list `target_list`
for regex in target_list:
target_ofs_list = general_files_func.get_ofs(regex)
for ofs in target_ofs_list:
if not general_files_func.is_excluded_ofs(ofs):
# Create a backup only if the directory is not in the exception list
# so as not to generate empty backups
# A function that by regularity returns the name of
# the backup WITHOUT EXTENSION AND DATE
backup_file_name = general_files_func.get_name_files_backup(regex, ofs)
# Get the part of the backup storage path for this archive relative to
# the backup dir
part_of_dir_path = backup_file_name.replace('___', '/')
for j in range(len(storages)):
if specific_function.is_save_to_storage(job_name, storages[j]):
try:
current_storage_data = mount_fuse.get_storage_data(job_name,
storages[j])
except general_function.MyError as err:
log_and_mail.writelog('ERROR', f'{err}',
config.filelog_fd, job_name)
continue
else:
storage = current_storage_data['storage']
backup_dir = current_storage_data['backup_dir']
# Если storage активный - монтируем его
try:
mount_fuse.mount(current_storage_data)
except general_function.MyError as err:
log_and_mail.writelog('ERROR', f"Can't mount remote '{storage}' storage :{err}",
config.filelog_fd, job_name)
continue
else:
remote_dir = '' # Only for logging
if storage != 'local':
local_dst_dirname = mount_fuse.mount_point
remote_dir = backup_dir
if storage != 's3':
host = current_storage_data['host']
else:
host = ''
share = current_storage_data.get('share')
else:
host = ''
share = ''
local_dst_dirname = backup_dir
if storage not in ('local', 'scp', 'nfs'):
local_dst_dirname = os.path.join(local_dst_dirname, backup_dir.lstrip('/'))
create_inc_file(local_dst_dirname, remote_dir, part_of_dir_path, backup_file_name,
ofs, exclude_list, gzip, job_name, storage, host, share)
try:
mount_fuse.unmount()
except general_function.MyError as err:
log_and_mail.writelog('ERROR',
f"Can't umount remote '{storage}' storage :{err}",
config.filelog_fd, job_name)
continue
else:
continue
else:
continue
def inc_files_backup(job_data):
''' The function collects an incremental backup for the specified partition.
'''
try:
job_name = job_data['job']
sources = job_data['sources']
storages = job_data['storages']
except KeyError as e:
log_and_mail.writelog('ERROR', "Missing required key:'%s'!" % (e),
config.filelog_fd, job_name)
return 1
for i in range(len(sources)):
target_list = sources[i]['target']
exclude_list = sources[i].get('excludes', '')
gzip = sources[i]['gzip']
# Keeping an exception list in the global variable due to the specificity of
# the `filter` key of the `add` method of the `tarfile` class
general_files_func.EXCLUDE_FILES = general_files_func.get_exclude_ofs(
target_list, exclude_list)
# The backup name is selected depending on the particular glob patterns from
# the list `target_list`
for regex in target_list:
target_ofs_list = general_files_func.get_ofs(regex)
for i in target_ofs_list:
if not general_files_func.is_excluded_ofs(i):
# Create a backup only if the directory is not in the exception list
# so as not to generate empty backups
# A function that by regularity returns the name of
# the backup WITHOUT EXTENSION AND DATE
backup_file_name = general_files_func.get_name_files_backup(
regex, i)
# Get the part of the backup storage path for this archive relative to
# the backup dir
part_of_dir_path = backup_file_name.replace('___', '/')
for j in range(len(storages)):
if specific_function.is_save_to_storage(
job_name, storages[j]):
try:
current_storage_data = mount_fuse.get_storage_data(
job_name, storages[j])
except general_function.MyError as err:
log_and_mail.writelog('ERROR', '%s' % (err),
config.filelog_fd,
job_name)
continue
else:
storage = current_storage_data['storage']
backup_dir = current_storage_data['backup_dir']
# Если storage активный - монтируем его
try:
mount_fuse.mount(current_storage_data)
except general_function.MyError as err:
log_and_mail.writelog(
'ERROR',
"Can't mount remote '%s' storage :%s" %
(storage, err), config.filelog_fd,
job_name)
continue
else:
remote_dir = '' # Only for logging
if storage != 'local':
local_dst_dirname = mount_fuse.mount_point
remote_dir = backup_dir
if storage != 's3':
host = current_storage_data['host']
else:
host = ''
share = current_storage_data.get(
'share')
else:
host = ''
share = ''
local_dst_dirname = backup_dir
# We collect an incremental copy
# For storage: local, sshfs, nfs backup_dir is the mount point and must already be created before mounting.
# For storage: ftp, smb, webdav, s3 is NOT a mount point, but actually a relative path relative to the mount point
if not storage in ('local', 'scp', 'nfs'):
local_dst_dirname = os.path.join(
local_dst_dirname,
backup_dir.lstrip('/'))
create_inc_file(
local_dst_dirname, remote_dir,
part_of_dir_path, backup_file_name, i,
exclude_list, gzip, job_name, storage,
host, share) #general_inc_iteration
try:
mount_fuse.unmount()
except general_function.MyError as err:
log_and_mail.writelog(
'ERROR',
"Can't umount remote '%s' storage :%s"
% (storage, err),
config.filelog_fd, job_name)
continue
else:
continue
else:
continue
def desc_files_backup(job_data):
""" Function, creates a desc backup of directories.
At the entrance receives a dictionary with the data of the job.
"""
is_prams_read, job_name, backup_type, tmp_dir, sources, storages, safety_backup, deferred_copying_level = \
general_function.get_job_parameters(job_data)
if not is_prams_read:
return
full_path_tmp_dir = general_function.get_tmp_dir(tmp_dir, backup_type)
dumped_ofs = {}
for i in range(len(sources)):
exclude_list = sources[i].get('excludes', '')
try:
target_list = sources[i]['target']
gzip = sources[i]['gzip']
except KeyError as e:
log_and_mail.writelog('ERROR', f"Missing required key:'{e}'!",
config.filelog_fd, job_name)
continue
# Keeping an exception list in the global variable due to the specificity of
# the `filter` key of the `add` method of the `tarfile` class
general_files_func.EXCLUDE_FILES = general_files_func.get_exclude_ofs(
target_list, exclude_list)
# The backup name is selected depending on the particular glob patterns from
# the list `target_list`
for regex in target_list:
target_ofs_list = general_files_func.get_ofs(regex)
if not target_ofs_list:
log_and_mail.writelog(
'ERROR', "No file system objects found that" +
f"match the regular expression '{regex}'!",
config.filelog_fd, job_name)
continue
for ofs in target_ofs_list:
# Create a backup only if the directory is not in the exception list
# so as not to generate empty backups
if not general_files_func.is_excluded_ofs(ofs):
# A function that by regularity returns the name of
# the backup WITHOUT EXTENSION AND DATE
backup_file_name = general_files_func.get_name_files_backup(
regex, ofs)
# Get the part of the backup storage path for this archive relative to
# the backup dir
part_of_dir_path = backup_file_name.replace('___', '/')
backup_full_tmp_path = general_function.get_full_path(
full_path_tmp_dir, backup_file_name, 'tar', gzip)
periodic_backup.remove_old_local_file(
storages, part_of_dir_path, job_name)
if general_files_func.create_tar('files',
backup_full_tmp_path, ofs,
gzip, backup_type,
job_name):
dumped_ofs[ofs] = {
'success': True,
'tmp_path': backup_full_tmp_path,
'part_of_dir_path': part_of_dir_path
}
else:
dumped_ofs[ofs] = {'success': False}
if deferred_copying_level <= 0 and dumped_ofs[ofs][
'success']:
periodic_backup.general_desc_iteration(
backup_full_tmp_path, storages, part_of_dir_path,
job_name, safety_backup)
else:
continue
for ofs, result in dumped_ofs.items():
if deferred_copying_level == 1 and result['success']:
periodic_backup.general_desc_iteration(
result['tmp_path'], storages,
result['part_of_dir_path'], job_name, safety_backup)
for ofs, result in dumped_ofs.items():
if deferred_copying_level == 2 and result['success']:
periodic_backup.general_desc_iteration(
result['tmp_path'], storages, result['part_of_dir_path'],
job_name, safety_backup)
for ofs, result in dumped_ofs.items():
if deferred_copying_level >= 3 and result['success']:
periodic_backup.general_desc_iteration(result['tmp_path'],
storages,
result['part_of_dir_path'],
job_name, safety_backup)
# After all the manipulations, delete the created temporary directory and
# data inside the directory with cache davfs, but not the directory itself!
general_function.del_file_objects(backup_type, full_path_tmp_dir,
'/var/cache/davfs2/*')