From 7fdd30a47e5a5e4488549d9b9e67dcd5273a9c21 Mon Sep 17 00:00:00 2001
From: BuildTools <unconfigured@null.spigotmc.org>
Date: Sun, 21 Mar 2021 23:33:31 +0100
Subject: [PATCH] Added email capabilities. Added lastlog, logs are now
 appended to .log and .log.last are send per email.

---
 backup.env.sample  |  1 +
 mail_template.py   | 70 ++++++++++++++++++++++++++++++++++++++++++++++
 make_backup.sh     |  4 +--
 secrets.env.sample | 10 +++++++
 4 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100755 mail_template.py
 create mode 100644 secrets.env.sample

diff --git a/backup.env.sample b/backup.env.sample
index b4fdbf5..33c7331 100644
--- a/backup.env.sample
+++ b/backup.env.sample
@@ -17,6 +17,7 @@ LOGPATH="/var/log/borg"
 mkdir -p $LOGPATH
 
 export LOGFILE="$LOGPATH/backup_docker.log"
+export LASTLOG="$LOGPATH/backup_docker.log.last"
 
 ## Path to private-key
 PRIVATE_KEY_FILE="./id_ed25519"
diff --git a/mail_template.py b/mail_template.py
new file mode 100755
index 0000000..443fe65
--- /dev/null
+++ b/mail_template.py
@@ -0,0 +1,70 @@
+#!/usr/bin/python3
+
+# Imports
+
+import smtplib
+import configparser
+import datetime
+import os
+from platform import node
+from email.utils import make_msgid
+
+## Setup variables
+
+HOSTNAME = node()
+
+recivers = ["example@example.com", "example2@example.com"]
+subject = f"Backup on \"{HOSTNAME}\", for SERVICE complete."
+message = f"Result of backup on server {HOSTNAME}\n"
+
+
+if "LASTLOG" not in os.environ:
+    print("No logfile found, please set environment variable LASTLOG to the borg logfile")
+    exit(5)
+else:
+    logfile = os.environ["LASTLOG"]
+
+with open(logfile, "r") as log:
+    for line in log.readlines():
+        message += line
+
+## Load mail config from secrets file.
+
+config = configparser.ConfigParser()
+config.read('/home/adam/scripts/secrets.env')
+
+server_name = config['MAIL']['SERVER']
+server_port = config['MAIL']['PORT']
+server_pass = config['MAIL']['PASS']
+mail_user = config['MAIL']['USER']
+
+sender = mail_user
+
+def send_email(reciever, sender, subject, message):
+    server = smtplib.SMTP(server_name, server_port)
+    server.starttls()
+    server.login(sender, server_pass)
+
+    ## Yes we build the header entry for entry, this is done for readability.    
+
+    header = ""
+
+    header += f"From: {sender}\n"
+    header += f"To: {reciever}\n"
+    header += f"Subject: {subject}\n"
+    header += f"Date: {datetime.datetime.now().strftime('%a, %d %b %Y  %H:%M:%S %Z')}\n"
+    header += f"Message-ID: {make_msgid(domain=sender.split('@')[-1])}\n"
+    header += "X-Mailer: python\n"
+    header += "MIME-Version: 1.0\n"
+    header += "Content-Type: text/plain; charset=utf-8\n"
+    header += "Content-Disposition: inline\n"
+    header += "Content-Transfer-Encoding: 8bit\n"
+
+    ## And now we make the payload.
+
+    msg = f"{header}\n{message}"  # The /n separates the message from the headers
+    server.sendmail(sender, receiver, msg.encode("utf-8"))
+
+for receiver in recivers:
+    send_email(receiver , sender, subject, message)
+
diff --git a/make_backup.sh b/make_backup.sh
index 1640017..af6e5df 100755
--- a/make_backup.sh
+++ b/make_backup.sh
@@ -16,7 +16,7 @@ fi
 
 ## Setup that everything is written to log
 
-exec > >(tee -i ${LOGFILE})
+exec > >(tee -ia ${LOGFILE} | tee -i ${LASTLOG})
 exec 2>&1
 
 ## Checks that a few important thins is set.
@@ -42,4 +42,4 @@ borg create -v --stats                     \
 
 echo "######### Backup Finished $(date) #########"
 
-
+/usr/bin/env python3 ./mail_template.py
diff --git a/secrets.env.sample b/secrets.env.sample
new file mode 100644
index 0000000..675bf20
--- /dev/null
+++ b/secrets.env.sample
@@ -0,0 +1,10 @@
+#
+# Top secret stuff!
+# It is your own responsible to ensure that secrets stays secret!
+#
+
+[MAIL]
+SERVER = mail.example.com
+PORT = 587
+USER = service_notify@example.com
+PASS = aelaGhuye8Co9cah7aighoo3oongohS4