77 lines
1.6 KiB
Bash
Executable File
77 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Run the backup and mail the logs
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# Set TEST_SMTP=1 to run in SMTP testing mode, which will just send an email
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set -o pipefail
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# Set up environment
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/bin/sh /scripts/msmtprc.sh
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/bin/sh /scripts/env.sh
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BACKUP_COMMAND="borgmatic --stats -v 2"
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LOGFILE="/tmp/backup_run_$(date +%s).log"
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SUCCESS_PREFIX="=?utf-8?Q? =E2=9C=85 SUCCESS?="
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FAILED_PREFIX="=?utf-8?Q? =E2=9D=8C FAILED?="
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# Helper function to prepend a timestamp and the first parameter to every line of STDIN
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_indent() {
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while read -rs line; do
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printf "%s%s\n" "$(date +%s)" "$1" "$line"
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done
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}
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# This function prepends timestamps to stderr and stdout of the
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# command supplied as parameters to this.
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log() {
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# Adapted from https://stackoverflow.com/a/31151808
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{
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"$@" 2>&1 1>&3 3>&- | _indent " ! "
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} 3>&1 1>&2 | _indent " | " >>"$LOGFILE"
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}
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report() {
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if [ -n "$SUCCESS" ]; then
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log echo SUCCESS
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PREFIX="$SUCCESS_PREFIX"
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else
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log echo FAILED
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PREFIX="$FAILED_PREFIX"
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fi
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printf "Subject: $PREFIX: $MAIL_SUBJECT\n\n$(cat $LOGFILE)\n" |
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sendmail -t "$MAIL_TO"
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}
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testmail() {
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echo -e "Subject: TESTING!\n\ntest mail, please ignore\n" |
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sendmail -t "$MAIL_TO"
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}
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failed() {
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log echo "Exited abnormally!"
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report
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rm -f "$LOGFILE"
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}
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cleanup() {
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borgmatic break-lock
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echo "Done, removing $LOGFILE"
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rm -f "$LOGFILE"
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}
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# Handle various kinds of exit
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trap failed INT QUIT KILL
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trap cleanup EXIT
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if [ -n "$TEST_SMTP" ]; then
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echo "Testing mail to $MAIL_TO"
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testmail
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echo "Done."
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exit
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fi
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echo "STARTED" >> "$LOGFILE"
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if log $BACKUP_COMMAND; then
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SUCCESS=1
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report
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fi
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