refactoring

This commit is contained in:
Spitap
2022-09-19 14:59:43 +02:00
parent b0d56b3989
commit f3811b4b39
8 changed files with 161 additions and 185 deletions

View File

@@ -439,4 +439,13 @@ ConfigDictTemplate = [
]
},
{
"name": "backup",
"values": [
{
"option": "default_path",
"default": "./modoboa_backup/"
}
]
}
]

View File

@@ -141,9 +141,10 @@ class PostgreSQL(Database):
self.dbhost, dbname, dbuser, path)
utils.exec_cmd(cmd, sudo_user=self.dbuser)
def dumpDatabase(self, dbname, dbuser, dbpassword, path):
"""Dump DB to SQL file"""
self._pgpass_done = False #Reset pgpass since we backup multiple db (different secret set)
def dump_database(self, dbname, dbuser, dbpassword, path):
"""Dump DB to SQL file."""
# Reset pgpass since we backup multiple db (different secret set)
self._pgpass_done = False
self._setup_pgpass(dbname, dbuser, dbpassword)
cmd = "pg_dump -h {} -d {} -U {} -O -w > {}".format(
self.dbhost, dbname, dbuser, path)
@@ -258,8 +259,9 @@ class MySQL(Database):
"mysql -h {} -u {} -p{} {} < {}".format(
self.dbhost, dbuser, dbpassword, dbname, path)
)
def dumpDatabase(self, dbname, dbuser, dbpassword, path):
"""Dump DB to SQL file"""
def dump_database(self, dbname, dbuser, dbpassword, path):
"""Dump DB to SQL file."""
cmd = "mysqldump -h {} -u {} -p{} {} > {}".format(
self.dbhost, dbuser, dbpassword, dbname, path)
utils.exec_cmd(cmd, sudo_user=self.dbuser)

View File

@@ -26,29 +26,20 @@ def install(appname, config, upgrade, restore):
sys.exit(1)
def backup(config, bashArg, nomail):
def backup(config, silent_backup, backup_path, nomail):
"""Backup instance"""
try:
script = importlib.import_module(
"modoboa_installer.scripts.backup")
except ImportError:
print("Error importing backup")
try:
getattr(script, "Backup")(config, bashArg, nomail).run()
getattr(script, "Backup")(
config, silent_backup, backup_path, nomail).run()
except utils.FatalError as inst:
utils.printcolor(u"{}".format(inst), utils.RED)
sys.exit(1)
def restore(restore):
def restore_prep(restore):
"""Restore instance"""
try:
script = importlib.import_module(
"modoboa_installer.scripts.restore")
except ImportError:
print("Error importing restore")
try:
getattr(script, "Restore")(restore)
except utils.FatalError as inst:
utils.printcolor(u"{}".format(inst), utils.RED)
sys.exit(1)

View File

@@ -78,12 +78,12 @@ class Amavis(base.Installer):
if self.restore:
utils.printcolor(
"Trying to restore amavis database from backup", utils.MAGENTA)
amavisDbBackupPath = os.path.join(
amavis_db_backup_path = os.path.join(
self.restore, "databases/amavis.sql")
if os.path.isfile(amavisDbBackupPath):
if os.path.isfile(amavis_db_backup_path):
utils.printcolor(
"Amavis database backup found ! Restoring...", utils.GREEN)
return amavisDbBackupPath
return amavis_db_backup_path
utils.printcolor(
"Amavis database backup not found, creating empty database", utils.RED)

View File

@@ -1,4 +1,4 @@
"""Backup script for pre-installed instance"""
"""Backup script for pre-installed instance."""
import os
import pwd
@@ -10,60 +10,52 @@ import sys
from .. import database
from .. import utils
# TODO: have version of each modoboa componenents saved into the config file to restore the same version
class Backup:
"""
Backup structure ( {optional} ):
{{backup_folder}}
||
||--> installer.cfg
||--> custom
|--> { (copy of) /etc/amavis/conf.d/99-custom }
|--> { (copy of) /etc/postfix/custom_whitelist.cidr }
||--> databases
|--> modoboa.sql
|--> { amavis.sql }
|--> { spamassassin.sql }
||--> mails
|--> vmails
"""
class Backup():
# Backup structure ( {optional} ):
# {{backup_folder}}
# ||
# ||--> installer.cfg
# ||--> custom
# |--> { (copy of) /etc/amavis/conf.d/99-custom }
# |--> { (copy of) /etc/postfix/custom_whitelist.cidr }
# ||--> databases
# |--> modoboa.sql
# |--> { amavis.sql }
# |--> { spamassassin.sql }
# ||--> mails
# |--> vmails
def __init__(self, config, bashArg, nomail):
def __init__(self, config, silent_backup, backup_path, nomail):
self.config = config
self.destinationPath = ""
self.BACKUPDIRECTORY = ["custom/", "databases/"]
self.destinationPath = backup_path
self.nomail = nomail
self.isBash = False
self.bash = ""
if bashArg != "NOBASH":
self.isBash = True
self.bash = bashArg
self.silent_backup = silent_backup
def preparePath(self):
pw = pwd.getpwnam("root")
for dir in self.BACKUPDIRECTORY:
for dir in ["custom/", "databases/"]:
utils.mkdir_safe(os.path.join(self.destinationPath, dir),
stat.S_IRWXU | stat.S_IRWXG, pw[2], pw[3])
def validatePath(self, path):
"""Check basic condition for backup directory"""
try:
pathExists = os.path.exists(path)
except:
print("Provided path is not recognized...")
"""Check basic condition for backup directory."""
path_exists = os.path.exists(path)
if path_exists and os.path.isfile(path):
utils.printcolor(
"Error, you provided a file instead of a directory!", utils.RED)
return False
if pathExists and os.path.isfile(path):
print("Error, you provided a file instead of a directory!")
return False
if not pathExists:
if not self.isBash:
if not path_exists:
if not self.silent_backup:
createDir = input(
f"\"{path}\" doesn't exists, would you like to create it ? [Y/n]\n").lower()
if self.isBash or (not self.isBash and (createDir == "y" or createDir == "yes")):
if self.silent_backup or (not self.silent_backup and (createDir == "y" or createDir == "yes")):
pw = pwd.getpwnam("root")
utils.mkdir_safe(path, stat.S_IRWXU |
stat.S_IRWXG, pw[2], pw[3])
@@ -71,10 +63,10 @@ class Backup():
return False
if len(os.listdir(path)) != 0:
if not self.isBash:
if not self.silent_backup:
delDir = input(
"Warning : backup folder is not empty, it will be purged if you continue... [Y/n]\n").lower()
if self.isBash or (not self.isBash and (delDir == "y" or delDir == "yes")):
if self.silent_backup or (not self.silent_backup and (delDir == "y" or delDir == "yes")):
shutil.rmtree(path)
else:
return False
@@ -84,31 +76,30 @@ class Backup():
self.preparePath()
return True
def setPath(self):
"""Setup backup directory"""
if self.isBash:
if self.bash == "TRUE":
def set_path(self):
"""Setup backup directory."""
if self.silent_backup:
if self.destinationPath is None:
date = datetime.datetime.now().strftime("%m_%d_%Y_%H_%M")
path = f"/modoboa_backup/backup_{date}/"
path = f"./modoboa_backup/backup_{date}/"
self.validatePath(path)
else:
validate = self.validatePath(self.bash)
if not validate:
print("provided bash is not right, exiting...")
print(f"Path provided : {self.bash}")
if not self.validatePath(self.destinationPath):
utils.printcolor(
f"Path provided : {self.destinationPath}", utils.BLUE)
sys.exit(1)
else:
user_value = None
while (user_value == '' or user_value == None or not self.validatePath(user_value)):
print("Enter backup path, please provide an empty folder.")
print("CTRL+C to cancel")
while user_value == "" or user_value is None or not self.validatePath(user_value):
utils.printcolor(
"Enter backup path, please provide an empty folder.", utils.MAGENTA)
utils.printcolor("CTRL+C to cancel", utils.MAGENTA)
user_value = utils.user_input("-> ")
def backupConfigFile(self):
def config_file_backup(self):
utils.copy_file("installer.cfg", self.destinationPath)
def backupMails(self):
def mail_backup(self):
if self.nomail:
utils.printcolor(
"Skipping mail backup, no-mail argument provided", utils.MAGENTA)
@@ -131,7 +122,7 @@ class Backup():
shutil.copytree(home_path, dst)
utils.printcolor("Mail backup complete!", utils.GREEN)
def backupCustomConfig(self):
def custom_config_backup(self):
"""Custom config :
- Amavis : /etc/amavis/conf.d/99-custom
- Postwhite : /etc/postwhite.conf
@@ -140,61 +131,57 @@ class Backup():
"Backing up some custom configuration...", utils.MAGENTA)
custom_path = os.path.join(
self.destinationPath, self.BACKUPDIRECTORY[0])
self.destinationPath, "custom")
"""AMAVIS"""
# AMAVIS
if (self.config.has_option("amavis", "enabled") and
self.config.getboolean("amavis", "enabled")):
amavis_custom = "/etc/amavis/conf.d/99-custom"
if os.path.isfile(amavis_custom):
utils.copy_file(amavis_custom, custom_path)
utils.printcolor("Amavis custom configuration saved!", utils.GREEN)
utils.printcolor(
"Amavis custom configuration saved!", utils.GREEN)
"""POSTWHITE"""
postswhite_custom = "/etc/postwhite.conf"
# POSTWHITE
if (self.config.has_option("postwhite", "enabled") and
self.config.getboolean("postwhite", "enabled")):
postswhite_custom = os.path.join(self.config.get(
"postwhite", "config_dir", "postwhite.conf"))
if os.path.isfile(postswhite_custom):
utils.copy_file(postswhite_custom, custom_path)
utils.printcolor("Postwhite configuration saved!", utils.GREEN)
utils.printcolor(
"Postwhite configuration saved!", utils.GREEN)
def backupDBs(self):
def database_backup(self):
"""Backing up databases"""
utils.printcolor("Backing up databases...", utils.MAGENTA)
dump_path = os.path.join(self.destinationPath, self.BACKUPDIRECTORY[1])
self.database_dump("modoboa")
self.database_dump("amavis")
self.database_dump("spamassassin")
def database_dump(self, app_name):
dump_path = os.path.join(self.destinationPath, "backup")
backend = database.get_backend(self.config)
"""Modoboa"""
dbname = self.config.get("modoboa", "dbname")
dbuser = self.config.get("modoboa", "dbuser")
dbpasswd = self.config.get("modoboa", "dbpassword")
backend.dumpDatabase(dbname, dbuser, dbpasswd,
os.path.join(dump_path, "modoboa.sql"))
if app_name == "modoboa" or (self.config.has_option(app_name, "enabled") and
self.config.getboolean(app_name, "enabled")):
dbname = self.config.get(app_name, "dbname")
dbuser = self.config.get(app_name, "dbuser")
dbpasswd = self.config.get(app_name, "dbpassword")
backend.dump_database(dbname, dbuser, dbpasswd,
os.path.join(dump_path, f"{app_name}.sql"))
"""Amavis"""
if (self.config.has_option("amavis", "enabled") and
self.config.getboolean("amavis", "enabled")):
dbname = self.config.get("amavis", "dbname")
dbuser = self.config.get("amavis", "dbuser")
dbpasswd = self.config.get("amavis", "dbpassword")
backend.dumpDatabase(dbname, dbuser, dbpasswd,
os.path.join(dump_path, "amavis.sql"))
"""SpamAssassin"""
if (self.config.has_option("spamassassin", "enabled") and
self.config.getboolean("spamassassin", "enabled")):
dbname = self.config.get("spamassassin", "dbname")
dbuser = self.config.get("spamassassin", "dbuser")
dbpasswd = self.config.get("spamassassin", "dbpassword")
backend.dumpDatabase(dbname, dbuser, dbpasswd,
os.path.join(dump_path, "spamassassin.sql"))
def backupCompletion(self):
def backup_completed(self):
utils.printcolor("Backup process done, your backup is availible here:"
f"--> {self.destinationPath}", utils.GREEN)
def run(self):
self.setPath()
self.backupConfigFile()
self.backupMails()
self.backupCustomConfig()
self.backupDBs()
self.backupCompletion()
self.set_path()
self.config_file_backup()
self.mail_backup()
self.custom_config_backup()
self.database_backup()
self.backup_completed()

View File

@@ -161,6 +161,10 @@ class Installer(object):
"""Tasks to execute before the installer starts."""
pass
def restore(self):
"""Tasks to execute to restore files/databases."""
pass
def post_run(self):
"""Additionnal tasks."""
pass

View File

@@ -5,29 +5,22 @@ from .. import utils
class Restore:
def __init__(self, restore):
"""Restoring pre-check (backup integriety)"""
"""REQUIRED : modoboa.sql"""
"""OPTIONAL : mails/, custom/, amavis.sql, spamassassin.sql"""
"""Only checking required"""
"""
Restoring pre-check (backup integriety)
REQUIRED : modoboa.sql
OPTIONAL : mails/, custom/, amavis.sql, spamassassin.sql
Only checking required
"""
try:
if not os.path.isdir(restore):
utils.printcolor(
"Provided path is not a directory !", utils.RED)
sys.exit(1)
except:
utils.printcolor("Provided path is not right...", utils.RED)
sys.exit(1)
try:
modobasql_file = os.path.join(restore, "databases/modoboa.sql")
if not os.path.isfile(modobasql_file):
utils.printcolor(
modobasql_file + " not found, please check your backup", utils.RED)
sys.exit(1)
except:
utils.printcolor(modobasql_file +
" not found, please check your backup", utils.RED)
sys.exit(1)
# Everything seems allright here, proceding...

66
run.py
View File

@@ -46,7 +46,7 @@ def upgrade_disclaimer(config):
)
def backup_disclamer():
def backup_disclaimer():
"""Display backup disclamer. """
utils.printcolor(
"Your mail server will be backed up (messages and databases) locally."
@@ -54,7 +54,7 @@ def backup_disclamer():
" Custom configuration (like to postfix) won't be saved.", utils.BLUE)
def restore_disclamer():
def restore_disclaimer():
"""Display restore disclamer. """
utils.printcolor(
"You are about to restore a previous installation of Modoboa."
@@ -69,7 +69,7 @@ def main(input_args):
["latest"] + list(compatibility_matrix.COMPATIBILITY_MATRIX.keys())
)
parser.add_argument("--backup", action="store_true", default=False,
help="Backing up previously installed instance")
help="Backing up interactively previously installed instance")
parser.add_argument("--debug", action="store_true", default=False,
help="Enable debug output")
parser.add_argument("--force", action="store_true", default=False,
@@ -92,17 +92,19 @@ def main(input_args):
"--beta", action="store_true", default=False,
help="Install latest beta release of Modoboa instead of the stable one")
parser.add_argument(
"--bash", type=str, metavar="path",
help="(backup only) - For script usage, No interaction will be required, you must provide a path")
"--backup-path", type=str, metavar="path",
help="To use with --silent-backup, you must provide a valid path")
parser.add_argument(
"--sbash", action="store_true", default=False,
help="same as --bash but backup will be at /modoboa_backup/Backup_M_Y_d_H_M")
"--silent-backup", action="store_true", default=False,
help="For script usage, do not require user interaction "
"backup will be saved at ./modoboa_backup/Backup_M_Y_d_H_M if --backup-path is not provided")
parser.add_argument(
"--no-mail", action="store_true", default=False,
"--no-mail-backup", action="store_true", default=False,
help="Disable mail backup (save space)")
parser.add_argument(
"--restore", type=str, metavar="path",
help="Restore a previously backup up modoboa instance on a NEW machine. You Must provide backup directory"
help="Restore a previously backup up modoboa instance on a NEW machine. "
"You MUST provide backup directory"
)
parser.add_argument("domain", type=str,
help="The main domain of your future mail server")
@@ -111,32 +113,24 @@ def main(input_args):
if args.debug:
utils.ENV["debug"] = True
if not args.backup and (args.bash != None or args.sbash or args.no_mail):
utils.printcolor("You provided --bash or --sbash without --backup, "
"if you want to do a backup, please provide --backup!", utils.RED)
return
elif args.bash != None and args.sbash:
utils.printcolor("You provided --bash PATH and --sbash at the same time. "
"Please provided only one!", utils.RED)
return
elif args.bash == "TRUE":
utils.printcolor(
"You can't pick *TRUE* as backup directory !", utils.RED)
# Restore prep
isRestoring = False
if args.restore != None:
isRestoring = True
is_restoring = False
if args.restore is not None:
is_restoring = True
args.configfile = os.path.join(args.restore, "installer.cfg")
if not os.path.exists(args.configfile):
utils.printcolor("installer.cfg from backup not found!", utils.RED)
sys.exit(1)
utils.printcolor("Welcome to Modoboa installer!\n", utils.GREEN)
wasConfigFileAlreadyThere = utils.check_config_file(
args.configfile, args.interactive, args.upgrade, args.backup, isRestoring)
is_config_file_availible = utils.check_config_file(
args.configfile, args.interactive, args.upgrade, args.backup, is_restoring)
if args.stop_after_configfile_check or (not wasConfigFileAlreadyThere and args.backup):
if is_config_file_availible and args.backup:
utils.printcolor("No config file found,", utils.RED)
return
if args.stop_after_configfile_check:
return
config = configparser.ConfigParser()
@@ -151,18 +145,14 @@ def main(input_args):
# Display disclaimer python 3 linux distribution
if args.upgrade:
upgrade_disclaimer(config)
elif args.backup:
backup_disclamer()
bashArg = "NOBASH"
if args.bash != None:
bashArg = args.bash
elif args.sbash:
bashArg = "TRUE"
scripts.backup(config, bashArg, args.no_mail)
elif args.backup or args.silent_backup:
backup_disclaimer()
scripts.backup(config, args.silent_backup,
args.backup_path, args.no_mail)
return
elif args.restore:
restore_disclamer()
scripts.restore(args.restore)
restore_disclaimer()
scripts.restore_prep(args.restore)
else:
installation_disclaimer(args, config)
@@ -209,7 +199,7 @@ def main(input_args):
utils.GREEN)
else:
utils.printcolor(
"Resotre complete! You can enjoy Modoboa at https://{} (same credentials as before)"
"Restore complete! You can enjoy Modoboa at https://{} (same credentials as before)"
.format(config.get("general", "hostname")),
utils.GREEN)