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265 lines
13 KiB
265 lines
13 KiB
# -*- coding: utf-8 -*-
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#############################################################################
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#
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# Cybrosys Technologies Pvt. Ltd.
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#
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# Copyright (C) 2021-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
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# Author: Cybrosys Techno Solutions(<https://www.cybrosys.com>)
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#
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# You can modify it under the terms of the GNU LESSER
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# GENERAL PUBLIC LICENSE (LGPL v3), Version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
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#
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# You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
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# (LGPL v3) along with this program.
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# If not, see <http://www.gnu.org/licenses/>.
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#
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#############################################################################
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from odoo import models, fields, api, _
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from odoo.exceptions import UserError, ValidationError
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import odoo
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from odoo.service import db
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import datetime
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import os
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import paramiko
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import ftplib
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import json
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import requests
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import tempfile
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import errno
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import logging
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_logger = logging.getLogger(__name__)
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class AutoDatabaseBackup(models.Model):
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_name = 'db.backup.configure'
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_description = 'Automatic Database Backup'
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name = fields.Char(string='Name', required=True)
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db_name = fields.Char(string='Database Name', required=True)
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master_pwd = fields.Char(string='Master Password', required=True)
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backup_format = fields.Selection([
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('zip', 'Zip'),
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('dump', 'Dump')
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], string='Backup Format', default='zip', required=True)
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backup_destination = fields.Selection([
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('local', 'Local Storage'),
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('google_drive', 'Google Drive'),
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('ftp', 'FTP'),
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('sftp', 'SFTP')
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], string='Backup Destination')
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backup_path = fields.Char(string='Backup Path', help='Local storage directory path')
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sftp_host = fields.Char(string='SFTP Host')
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sftp_port = fields.Char(string='SFTP Port', default=22)
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sftp_user = fields.Char(string='SFTP User')
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sftp_password = fields.Char(string='SFTP Password')
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sftp_path = fields.Char(string='SFTP Path')
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ftp_host = fields.Char(string='FTP Host')
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ftp_port = fields.Char(string='FTP Port', default=21)
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ftp_user = fields.Char(string='FTP User')
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ftp_password = fields.Char(string='FTP Password')
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ftp_path = fields.Char(string='FTP Path')
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active = fields.Boolean(default=True)
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save_to_drive = fields.Boolean()
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auto_remove = fields.Boolean(string='Remove Old Backups')
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days_to_remove = fields.Integer(string='Remove After',
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help='Automatically delete stored backups after this specified number of days')
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google_drive_folderid = fields.Char(string='Drive Folder ID')
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notify_user = fields.Boolean(string='Notify User',
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help='Send an email notification to user when the backup operation is successful or failed')
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user_id = fields.Many2one('res.users', string='User')
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backup_filename = fields.Char(string='Backup Filename', help='For Storing generated backup filename')
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generated_exception = fields.Char(string='Exception', help='Exception Encountered while Backup generation')
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@api.constrains('db_name', 'master_pwd')
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def _check_db_credentials(self):
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"""
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Validate enetered database name and master password
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"""
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database_list = db.list_dbs()
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if self.db_name not in database_list:
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raise ValidationError(_("Invalid Database Name!"))
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try:
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odoo.service.db.check_super(self.master_pwd)
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except Exception:
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raise ValidationError(_("Invalid Master Password!"))
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def test_connection(self):
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"""
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Test the sftp and ftp connection using entered credentials
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"""
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if self.backup_destination == 'sftp':
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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client.connect(hostname=self.sftp_host, username=self.sftp_user, password=self.sftp_password, port=self.sftp_port)
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sftp = client.open_sftp()
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sftp.close()
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except Exception as e:
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raise UserError(_("SFTP Exception: %s", e))
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finally:
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client.close()
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elif self.backup_destination == 'ftp':
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try:
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ftp_server = ftplib.FTP()
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ftp_server.connect(self.ftp_host, int(self.ftp_port))
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ftp_server.login(self.ftp_user, self.ftp_password)
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ftp_server.quit()
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except Exception as e:
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raise UserError(_("FTP Exception: %s", e))
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title = _("Connection Test Succeeded!")
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message = _("Everything seems properly set up!")
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return {
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'type': 'ir.actions.client',
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'tag': 'display_notification',
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'params': {
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'title': title,
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'message': message,
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'sticky': False,
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}
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}
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def _schedule_auto_backup(self):
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"""
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Function for generating and storing backup
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Database backup for all the active records in backup configuration model will be created
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"""
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records = self.search([])
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mail_template_success = self.env.ref('auto_database_backup.mail_template_data_db_backup_successful')
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mail_template_failed = self.env.ref('auto_database_backup.mail_template_data_db_backup_failed')
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for rec in records:
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backup_time = datetime.datetime.utcnow().strftime("%Y-%m-%d_%H-%M-%S")
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backup_filename = "%s_%s.%s" % (rec.db_name, backup_time, rec.backup_format)
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rec.backup_filename = backup_filename
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# Local backup
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if rec.backup_destination == 'local':
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try:
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if not os.path.isdir(rec.backup_path):
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os.makedirs(rec.backup_path)
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backup_file = os.path.join(rec.backup_path, backup_filename)
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f = open(backup_file, "wb")
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odoo.service.db.dump_db(rec.db_name, f, rec.backup_format)
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f.close()
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# remove older backups
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if rec.auto_remove:
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for filename in os.listdir(rec.backup_path):
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file = os.path.join(rec.backup_path, filename)
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create_time = datetime.datetime.fromtimestamp(os.path.getctime(file))
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backup_duration = datetime.datetime.utcnow() - create_time
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if backup_duration.days >= rec.days_to_remove:
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os.remove(file)
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if rec.notify_user:
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mail_template_success.send_mail(rec.id, force_send=True)
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except Exception as e:
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rec.generated_exception = e
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_logger.info('FTP Exception: %s', e)
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if rec.notify_user:
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mail_template_failed.send_mail(rec.id, force_send=True)
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# FTP backup
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elif rec.backup_destination == 'ftp':
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try:
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ftp_server = ftplib.FTP()
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ftp_server.connect(rec.ftp_host, int(rec.ftp_port))
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ftp_server.login(rec.ftp_user, rec.ftp_password)
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ftp_server.encoding = "utf-8"
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temp = tempfile.NamedTemporaryFile(suffix='.%s' % rec.backup_format)
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try:
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ftp_server.cwd(rec.ftp_path)
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except ftplib.error_perm:
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ftp_server.mkd(rec.ftp_path)
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ftp_server.cwd(rec.ftp_path)
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with open(temp.name, "wb+") as tmp:
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odoo.service.db.dump_db(rec.db_name, tmp, rec.backup_format)
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ftp_server.storbinary('STOR %s' % backup_filename, open(temp.name, "rb"))
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if rec.auto_remove:
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files = ftp_server.nlst()
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for f in files:
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create_time = datetime.datetime.strptime(ftp_server.sendcmd('MDTM ' + f)[4:], "%Y%m%d%H%M%S")
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diff_days = (datetime.datetime.now() - create_time).days
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if diff_days >= rec.days_to_remove:
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ftp_server.delete(f)
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ftp_server.quit()
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if rec.notify_user:
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mail_template_success.send_mail(rec.id, force_send=True)
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except Exception as e:
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rec.generated_exception = e
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_logger.info('FTP Exception: %s', e)
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if rec.notify_user:
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mail_template_failed.send_mail(rec.id, force_send=True)
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# SFTP backup
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elif rec.backup_destination == 'sftp':
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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client.connect(hostname=rec.sftp_host, username=rec.sftp_user, password=rec.sftp_password, port=rec.sftp_port)
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sftp = client.open_sftp()
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temp = tempfile.NamedTemporaryFile(suffix='.%s' % rec.backup_format)
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with open(temp.name, "wb+") as tmp:
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odoo.service.db.dump_db(rec.db_name, tmp, rec.backup_format)
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try:
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sftp.chdir(rec.sftp_path)
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except IOError as e:
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if e.errno == errno.ENOENT:
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sftp.mkdir(rec.sftp_path)
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sftp.chdir(rec.sftp_path)
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sftp.put(temp.name, backup_filename)
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if rec.auto_remove:
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files = sftp.listdir()
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expired = list(filter(lambda fl: (datetime.datetime.now() - datetime.datetime.fromtimestamp(sftp.stat(fl).st_mtime)).days >= rec.days_to_remove, files))
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for file in expired:
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sftp.unlink(file)
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sftp.close()
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if rec.notify_user:
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mail_template_success.send_mail(rec.id, force_send=True)
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except Exception as e:
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rec.generated_exception = e
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_logger.info('SFTP Exception: %s', e)
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if rec.notify_user:
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mail_template_failed.send_mail(rec.id, force_send=True)
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finally:
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client.close()
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# Google Drive backup
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elif rec.backup_destination == 'google_drive':
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temp = tempfile.NamedTemporaryFile(suffix='.%s' % rec.backup_format)
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with open(temp.name, "wb+") as tmp:
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odoo.service.db.dump_db(rec.db_name, tmp, rec.backup_format)
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try:
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access_token = self.env['google.drive.config'].sudo().get_access_token()
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headers = {"Authorization": "Bearer %s" % access_token}
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para = {
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"name": backup_filename,
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"parents": [rec.google_drive_folderid],
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}
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files = {
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'data': ('metadata', json.dumps(para), 'application/json; charset=UTF-8'),
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'file': open(temp.name, "rb")
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}
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requests.post(
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"https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart",
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headers=headers,
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files=files
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)
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if rec.auto_remove:
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query = "parents = '%s'" % rec.google_drive_folderid
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files_req = requests.get("https://www.googleapis.com/drive/v3/files?q=%s" % query, headers=headers)
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files = files_req.json()['files']
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for file in files:
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file_date_req = requests.get("https://www.googleapis.com/drive/v3/files/%s?fields=createdTime" % file['id'], headers=headers)
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create_time = file_date_req.json()['createdTime'][:19].replace('T', ' ')
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diff_days = (datetime.datetime.now() - datetime.datetime.strptime(create_time, '%Y-%m-%d %H:%M:%S')).days
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if diff_days >= rec.days_to_remove:
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requests.delete("https://www.googleapis.com/drive/v3/files/%s" % file['id'], headers=headers)
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if rec.notify_user:
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mail_template_success.send_mail(rec.id, force_send=True)
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except Exception as e:
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rec.generated_exception = e
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_logger.info('Google Drive Exception: %s', e)
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if rec.notify_user:
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mail_template_failed.send_mail(rec.id, force_send=True)
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