84 lines
2.5 KiB
Python
Executable File
84 lines
2.5 KiB
Python
Executable File
#!/usr/bin/python3
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# Copyright 2021 Adam Rabjerg
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# Licensed under GNU GPL-3.0-or-later
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# https://www.gnu.org/licenses/gpl-3.0.txt
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# Imports
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import smtplib
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import configparser
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import datetime
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import os
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from platform import node
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from email.utils import make_msgid
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## Setup basic variables
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HOSTNAME = node()
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recivers = ["example@example.com", "example2@example.com"]
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subject = f"Backup on \"{HOSTNAME}\", for SERVICE complete."
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## here is a good place to add any aditional data you want to report, like system utilisation.
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message = f"Result of backup on server {HOSTNAME}\n"
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## LASTLOG is the path defined in backup.env, this is read and put in the message.
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if "LASTLOG" not in os.environ:
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print("No logfile found, please set environment variable LASTLOG to the borg logfile")
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exit(5)
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else:
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logfile = os.environ["LASTLOG"]
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with open(logfile, "r") as log:
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for line in log.readlines():
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message += line
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## Load mail config from secrets file.
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config = configparser.ConfigParser()
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config.read('/home/adam/scripts/secrets.env')
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server_name = config['MAIL']['SERVER']
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server_port = config['MAIL']['PORT']
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server_pass = config['MAIL']['PASS']
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mail_user = config['MAIL']['USER']
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sender = mail_user
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def send_email(reciever, sender, subject, message):
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server = smtplib.SMTP(server_name, server_port)
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server.starttls()
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server.login(sender, server_pass)
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## Yes we build the header entry for entry, this is done for readability.
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## The header has all this extra infomation to make the mail relays happy and not trigger any antispam.
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## We want to be nice.
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## Don't mess with anything (like remove tailing newline) but the sender/reciever/subject unless you really know what you are doing.
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header = ""
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header += f"From: {sender}\n"
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header += f"To: {reciever}\n"
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header += f"Subject: {subject}\n"
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header += f"Date: {datetime.datetime.now().strftime('%a, %d %b %Y %H:%M:%S %Z')}\n"
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header += f"Message-ID: {make_msgid(domain=sender.split('@')[-1])}\n"
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header += "X-Mailer: python\n"
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header += "MIME-Version: 1.0\n"
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header += "Content-Type: text/plain; charset=utf-8\n"
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header += "Content-Disposition: inline\n"
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header += "Content-Transfer-Encoding: 8bit\n"
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## And now we make the payload and send our email.
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msg = f"{header}\n{message}"
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server.sendmail(sender, receiver, msg.encode("utf-8"))
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## Close connection and return any errors.
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return server.quit()
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## Here we trigger the sending of mail(s)
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for receiver in recivers:
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send_email(receiver, sender, subject, message)
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