Merge branch 'development'

This commit is contained in:
daniele 2023-06-20 17:36:40 +02:00
commit f3d5ebd276
Signed by: fuxino
GPG Key ID: 981A2B2A3BBF5514
3 changed files with 41 additions and 41 deletions

View File

@ -2,12 +2,12 @@
.SH NAME .SH NAME
simple_backup \- Backup files and folders using rsync simple_backup \- Backup files and folders using rsync
.SH SYNOPSIS .SH SYNOPSIS
.BR simple_backup .B simple_backup
\-h, \-\-help \-h, \-\-help
.PD 0 .PD 0
.P .P
.PD .PD
.BR simple_backup .B simple_backup
[\-c, \-\-config FILE] [\-c, \-\-config FILE]
[\-i, \-\-input INPUT [INPUT...]] [\-i, \-\-input INPUT [INPUT...]]
[\-o, \-\-output DIR] [\-o, \-\-output DIR]
@ -16,8 +16,8 @@ simple_backup \- Backup files and folders using rsync
.PD .PD
.RS 14 [\-e, \-\-exclude FILE|DIR|PATTERN [FILE|...]] .RS 14 [\-e, \-\-exclude FILE|DIR|PATTERN [FILE|...]]
[\-k, \-\-keep N] [\-k, \-\-keep N]
[\-\-host HOSTNAME] [\-\-ssh\-host HOSTNAME]
[\-u, \-\-username USERNAME] [\-\-ssh\-user USERNAME]
[\-\-keyfile FILE] [\-\-keyfile FILE]
.PD 0 .PD 0
.P .P
@ -27,7 +27,7 @@ simple_backup \- Backup files and folders using rsync
[\-\-remove\-before\-backup] [\-\-remove\-before\-backup]
.RE .RE
.SH DESCRIPTION .SH DESCRIPTION
.BR simple_backup .B simple_backup
is a python script for performing backup of files and folders. is a python script for performing backup of files and folders.
.P .P
It uses rsync to copy the files to the specified location. Parameters for the backup such as It uses rsync to copy the files to the specified location. Parameters for the backup such as
@ -62,10 +62,10 @@ will not be copied. Multiple elements can be specified, in the same way as for t
Specify how many old backups (so excluding the current one) will be kept. The default behavior Specify how many old backups (so excluding the current one) will be kept. The default behavior
is to keep them all (same as N=\-1) is to keep them all (same as N=\-1)
.TP .TP
.B \-\-host HOSTNAME .B \-\-ssh\-host HOSTNAME
Hostname of the server where to copy the files in case of remote backup through SSH Hostname of the server where to copy the files in case of remote backup through SSH
.TP .TP
.B \-u, \-\-username USERNAME .B \-\-ssh\-user USERNAME
Username for connecting to the server in case of remote backup Username for connecting to the server in case of remote backup
.TP .TP
.B \-\-keyfile FILE .B \-\-keyfile FILE
@ -104,7 +104,7 @@ Options \-r and \-v are used in any case. Not that options must be specified wit
.EE .EE
.TP .TP
Check Check
.B rsync (1) .BR rsync (1)
for details about the options. for details about the options.
.RE .RE
.TP .TP
@ -123,7 +123,7 @@ Copy it to the default location ($HOME/.config/simple_backup) and edit it as nee
.SH REMOTE BACKUP .SH REMOTE BACKUP
It is possible to choose a directory on a remote server as destination for the backup. The files It is possible to choose a directory on a remote server as destination for the backup. The files
are copied by rsync through SSH. Server hostname and username must be specified, either in the are copied by rsync through SSH. Server hostname and username must be specified, either in the
configuration file, or on the command line (\(aq\-\-host\(aq and \(aq\-\-username\(aq options). configuration file, or on the command line (\(aq\-\-ssh\-host\(aq and \(aq\-\-ssh\-user\(aq options).
.SS AUTHENTICATION .SS AUTHENTICATION
For authentication, it is possible to use SSH key or password. For authentication, it is possible to use SSH key or password.
.P .P
@ -145,7 +145,7 @@ in order to connect to the user\(aq s SSH agent it is necessary to preserve the
It is also possible to make this permanent by editing the It is also possible to make this permanent by editing the
.B sudoers .B sudoers
file (see file (see
.B sudoers (5) .BR sudoers (5)
) )
.P .P
If SSH key authentication is not available, password authentication will be used instead. If SSH key authentication is not available, password authentication will be used instead.
@ -154,7 +154,7 @@ Note that in this case
(if available) will be used to send the password to rsync, to avoid prompting the user for (if available) will be used to send the password to rsync, to avoid prompting the user for
the password multiple the password multiple
times. This can pose some security risks, see times. This can pose some security risks, see
.B sshpass (1) .BR sshpass (1)
for details. For this reason, use SSH key authentication if possible. for details. For this reason, use SSH key authentication if possible.
.SH EXIT STATUS .SH EXIT STATUS
.TP .TP

View File

@ -15,8 +15,8 @@ keep=-1
# Uncomment the following section to enable backup to remote server through ssh # Uncomment the following section to enable backup to remote server through ssh
# [server] # [server]
# host= # ssh_host=
# username= # ssh_user=
# ssh_keyfile= # ssh_keyfile=
# remote_sudo= # remote_sudo=
# numeric_ids= # numeric_ids=

View File

@ -10,6 +10,7 @@ Classes:
MyFormatter MyFormatter
Backup Backup
""" """
# Import libraries # Import libraries
import sys import sys
import os import os
@ -33,7 +34,6 @@ from dotenv import load_dotenv
warnings.filterwarnings('error') warnings.filterwarnings('error')
try: try:
raise ImportError
import paramiko import paramiko
from paramiko import RSAKey, Ed25519Key, ECDSAKey, DSSKey from paramiko import RSAKey, Ed25519Key, ECDSAKey, DSSKey
except ImportError: except ImportError:
@ -119,9 +119,9 @@ class Backup:
String representing main backup options for rsync String representing main backup options for rsync
keep: int keep: int
Number of old backup to preserve Number of old backup to preserve
host: str ssh_host: str
Hostname of server (for remote backup) Hostname of server (for remote backup)
username: str ssh_user: str
Username for server login (for remote backup) Username for server login (for remote backup)
ssh_keyfile: str ssh_keyfile: str
Location of ssh key Location of ssh key
@ -143,15 +143,15 @@ class Backup:
Perform the backup Perform the backup
""" """
def __init__(self, inputs, output, exclude, keep, options, host=None, username=None, def __init__(self, inputs, output, exclude, keep, options, ssh_host=None, ssh_user=None,
ssh_keyfile=None, remote_sudo=False, remove_before=False): ssh_keyfile=None, remote_sudo=False, remove_before=False):
self.inputs = inputs self.inputs = inputs
self.output = output self.output = output
self.exclude = exclude self.exclude = exclude
self.options = options self.options = options
self.keep = keep self.keep = keep
self.host = host self.ssh_host = ssh_host
self.username = username self.ssh_user = ssh_user
self.ssh_keyfile = ssh_keyfile self.ssh_keyfile = ssh_keyfile
self.remote_sudo = remote_sudo self.remote_sudo = remote_sudo
self._remove_before = remove_before self._remove_before = remove_before
@ -179,7 +179,7 @@ class Backup:
return 2 return 2
if self.host is not None and self.username is not None: if self.ssh_host is not None and self.ssh_user is not None:
self._remote = True self._remote = True
if self._remote: if self._remote:
@ -216,7 +216,7 @@ class Backup:
self._output_dir = f'{self.output}/simple_backup/{now}' self._output_dir = f'{self.output}/simple_backup/{now}'
if self._remote: if self._remote:
self._server = f'{self.username}@{self.host}:' self._server = f'{self.ssh_user}@{self.ssh_host}:'
def remove_old_backups(self): def remove_old_backups(self):
"""Remove old backups if there are more than indicated by 'keep'""" """Remove old backups if there are more than indicated by 'keep'"""
@ -330,11 +330,11 @@ class Backup:
ssh.set_missing_host_key_policy(paramiko.WarningPolicy()) ssh.set_missing_host_key_policy(paramiko.WarningPolicy())
try: try:
ssh.connect(self.host, username=self.username) ssh.connect(self.ssh_host, username=self.ssh_user)
return ssh return ssh
except UserWarning: except UserWarning:
k = input(f'Unknown key for host {self.host}. Continue anyway? (Y/N) ') k = input(f'Unknown key for host {self.ssh_host}. Continue anyway? (Y/N) ')
if k[0].upper() == 'Y': if k[0].upper() == 'Y':
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
@ -349,7 +349,7 @@ class Backup:
pass pass
try: try:
ssh.connect(self.host, username=self.username) ssh.connect(self.ssh_host, username=self.ssh_user)
return ssh return ssh
except paramiko.SSHException: except paramiko.SSHException:
@ -357,8 +357,8 @@ class Backup:
if self.ssh_keyfile is None: if self.ssh_keyfile is None:
try: try:
password = getpass(f'{self.username}@{self.host}\'s password: ') password = getpass(f'{self.ssh_user}@{self.ssh_host}\'s password: ')
ssh.connect(self.host, username=self.username, password=password) ssh.connect(self.ssh_host, username=self.ssh_user, password=password)
self._password_auth = True self._password_auth = True
os.environ['SSHPASS'] = password os.environ['SSHPASS'] = password
@ -410,7 +410,7 @@ class Backup:
pass pass
try: try:
ssh.connect(self.host, username=self.username, pkey=pkey) ssh.connect(self.ssh_host, username=self.ssh_user, pkey=pkey)
except paramiko.SSHException: except paramiko.SSHException:
logger.critical('SSH connection to server failed') logger.critical('SSH connection to server failed')
@ -478,7 +478,7 @@ class Backup:
if euid == 0 and self.ssh_keyfile is not None: if euid == 0 and self.ssh_keyfile is not None:
rsync = f'{rsync} -e \'ssh -i {self.ssh_keyfile} -o StrictHostKeyChecking=no\'' rsync = f'{rsync} -e \'ssh -i {self.ssh_keyfile} -o StrictHostKeyChecking=no\''
elif self._password_auth and which('sshpass'): elif self._password_auth and which('sshpass'):
rsync = f'{rsync} -e \'sshpass -e ssh -l {self.username} -o StrictHostKeyChecking=no\'' rsync = f'{rsync} -e \'sshpass -e ssh -l {self.ssh_user} -o StrictHostKeyChecking=no\''
else: else:
rsync = f'{rsync} -e \'ssh -o StrictHostKeyChecking=no\'' rsync = f'{rsync} -e \'ssh -o StrictHostKeyChecking=no\''
@ -567,8 +567,8 @@ def _parse_arguments():
parser.add_argument('-o', '--output', help='Output directory for the backup') parser.add_argument('-o', '--output', help='Output directory for the backup')
parser.add_argument('-e', '--exclude', nargs='+', help='Files/directories/patterns to exclude from the backup') parser.add_argument('-e', '--exclude', nargs='+', help='Files/directories/patterns to exclude from the backup')
parser.add_argument('-k', '--keep', type=int, help='Number of old backups to keep') parser.add_argument('-k', '--keep', type=int, help='Number of old backups to keep')
parser.add_argument('--host', help='Server hostname (for remote backup)') parser.add_argument('--ssh-host', help='Server hostname (for remote backup)')
parser.add_argument('-u', '--username', help='Username to connect to server (for remote backup)') parser.add_argument('--ssh-user', help='Username to connect to server (for remote backup)')
parser.add_argument('--keyfile', help='SSH key location') parser.add_argument('--keyfile', help='SSH key location')
parser.add_argument('-s', '--checksum', action='store_true', parser.add_argument('-s', '--checksum', action='store_true',
help='Use checksum rsync option to compare files') help='Use checksum rsync option to compare files')
@ -610,8 +610,8 @@ def _read_config(config_file):
'output': None, 'output': None,
'exclude': None, 'exclude': None,
'keep': -1, 'keep': -1,
'host': None, 'ssh_host': None,
'username': None, 'ssh_user': None,
'ssh_keyfile': None, 'ssh_keyfile': None,
'remote_sudo': False, 'remote_sudo': False,
'numeric_ids': False} 'numeric_ids': False}
@ -660,14 +660,14 @@ def _read_config(config_file):
config_args['keep'] = keep config_args['keep'] = keep
try: try:
host = config.get('server', 'host') ssh_host = config.get('server', 'ssh_host')
username = config.get('server', 'username') ssh_user = config.get('server', 'ssh_user')
except (configparser.NoSectionError, configparser.NoOptionError): except (configparser.NoSectionError, configparser.NoOptionError):
host = None ssh_host = None
username = None ssh_user = None
config_args['host'] = host config_args['ssh_host'] = ssh_host
config_args['username'] = username config_args['ssh_user'] = ssh_user
try: try:
ssh_keyfile = config.get('server', 'ssh_keyfile') ssh_keyfile = config.get('server', 'ssh_keyfile')
@ -732,8 +732,8 @@ def simple_backup():
output = args.output if args.output is not None else config_args['output'] output = args.output if args.output is not None else config_args['output']
exclude = args.exclude if args.exclude is not None else config_args['exclude'] exclude = args.exclude if args.exclude is not None else config_args['exclude']
keep = args.keep if args.keep is not None else config_args['keep'] keep = args.keep if args.keep is not None else config_args['keep']
host = args.host if args.host is not None else config_args['host'] ssh_host = args.ssh_host if args.ssh_host is not None else config_args['ssh_host']
username = args.username if args.username is not None else config_args['username'] ssh_user = args.ssh_user if args.ssh_user is not None else config_args['ssh_user']
ssh_keyfile = args.keyfile if args.keyfile is not None else config_args['ssh_keyfile'] ssh_keyfile = args.keyfile if args.keyfile is not None else config_args['ssh_keyfile']
remote_sudo = args.remote_sudo if args.remote_sudo is not None else config_args['remote_sudo'] remote_sudo = args.remote_sudo if args.remote_sudo is not None else config_args['remote_sudo']
@ -756,7 +756,7 @@ def simple_backup():
rsync_options = ' '.join(rsync_options) rsync_options = ' '.join(rsync_options)
backup = Backup(inputs, output, exclude, keep, rsync_options, host, username, ssh_keyfile, backup = Backup(inputs, output, exclude, keep, rsync_options, ssh_host, ssh_user, ssh_keyfile,
remote_sudo, remove_before=args.remove_before_backup) remote_sudo, remove_before=args.remove_before_backup)
return_code = backup.check_params() return_code = backup.check_params()