Files
noofac-snackpot/templates/docker-compose/borgmatic/backup.sh
Nick Stokoe c8b1d00230 templates/docker-compose/borgmatic/backup.sh - refinements
Trap failures, ensure cleanup.

Send an email even if we fail.

Break borg locks in cleanup.

Implement testing smtp emails.
2023-04-12 20:01:11 +01:00

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#!/bin/sh
# Run the backup and mail the logs
# Set TEST_SMTP=1 to run in SMTP testing mode, which will just send an email
set -o pipefail
# Set up environment
/bin/sh /scripts/msmtprc.sh
/bin/sh /scripts/env.sh
BACKUP_COMMAND="borgmatic --stats -v 2"
LOGFILE="/tmp/backup_run_$(date +%s).log"
SUCCESS_PREFIX="=?utf-8?Q? =E2=9C=85 SUCCESS?="
FAILED_PREFIX="=?utf-8?Q? =E2=9D=8C FAILED?="
report() {
if [ -n "$SUCCESS" ]; then
PREFIX="$SUCCESS_PREFIX"
else
PREFIX="$FAILED_PREFIX"
fi
echo -e "Subject: $PREFIX: $MAIL_SUBJECT\n\n$(cat $LOGFILE)\n" |
sendmail -t "$MAIL_TO"
}
testmail() {
echo -e "Subject: TESTING!\n\ntest mail, please ignore\n" |
sendmail -t "$MAIL_TO"
}
failed() {
echo "Exited abnormally!"
report
rm -f "$LOGFILE"
}
cleanup() {
borgmatic break-lock
echo "Done, removing $LOGFILE"
rm -f "$LOGFILE"
}
# Handle various kinds of exit
trap failed INT QUIT KILL
trap cleanup EXIT
if [ -n "$TEST_SMTP" ]; then
echo "Testing mail to $MAIL_TO"
testmail
echo "Done."
exit
fi
if $BACKUP_COMMAND 2>&1 | tee "$LOGFILE"; then
SUCCESS=1
report
fi