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backup/backup.sh - only create backup whilst services down; check after

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Nick Stokoe
2023-04-12 22:28:14 +01:00
parent 88d875d638
commit bd3ad70af4
2 changed files with 52 additions and 34 deletions
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4
templates/bin/backup
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@@ -9,6 +9,6 @@ DC_DIR=/opt/docker-compose/
cd $DC_DIR cd $DC_DIR
docker-compose down docker-compose down
docker-compose run --name borgmatic -T --rm borgmatic /backup.sh docker-compose run --name borgmatic -T --rm borgmatic /backup.sh run
docker-compose up -d main-services docker-compose up -d main-services
docker-compose run --name borgmatic -T --rm borgmatic /backup.sh check

82
templates/docker-compose/borgmatic/backup.sh
View File

@@ -1,42 +1,49 @@
#!/bin/sh #!/bin/sh
# Run the backup and mail the logs # Run the backup and mail the logs:
# Set TEST_SMTP=1 to run in SMTP testing mode, which will just send an email # Depending on parameter 1:
# - test-smtp: just send a test email to $MAIL_TO
# - run: create the backup, no checks
# - check: prune, compact and check the backup
# Anything else is an error.
set -o pipefail set -o pipefail
# Set up environment # Set up environment
/bin/sh /scripts/msmtprc.sh /bin/sh /scripts/msmtprc.sh
/bin/sh /scripts/env.sh /bin/sh /scripts/env.sh
BACKUP_COMMAND="borgmatic --stats -v 2" RUN_COMMAND="borgmatic --stats -v 2 create"
CHECK_COMMAND="borgmatic --stats -v 1 prune compact check"
LOGFILE="/tmp/backup_run_$(date +%s).log" LOGFILE="/tmp/backup_run_$(date +%s).log"
SUCCESS_PREFIX="=?utf-8?Q? =E2=9C=85 SUCCESS?=" SUCCESS_PREFIX="=?utf-8?Q? =E2=9C=85 SUCCESS?="
FAILED_PREFIX="=?utf-8?Q? =E2=9D=8C FAILED?=" FAILED_PREFIX="=?utf-8?Q? =E2=9D=8C FAILED?="
PARAM="$1"
# Helper function to prepend a timestamp and the first parameter to every line of STDIN # Helper function to prepend a timestamp and the first parameter to every line of STDIN
_indent() { indent() {
while read -rs line; do while read -rs line; do
printf "%s%s\n" "$(date +%s)" "$1" "$line" printf "%s%s%s\n" "$(date -Iminutes)" "${1:- }" "$line"
done done
} }
# This function prepends timestamps to stderr and stdout of the # This function prepends timestamps to stderr and stdout of the
# command supplied as parameters to this. # command supplied as parameters to this.
log() { log() {
# Adapted from https://stackoverflow.com/a/31151808 # Adapted from https://stackoverflow.com/a/31151808
{ {
"$@" 2>&1 1>&3 3>&- | _indent " ! " "$@" 2>&1 1>&3 3>&- | indent " ! "
} 3>&1 1>&2 | _indent " | " >>"$LOGFILE" } 3>&1 1>&2 | indent " | " | tee -a "$LOGFILE"
} }
report() { report() {
if [ -n "$SUCCESS" ]; then if [ "$RESULT" = "0" ]; then
log echo SUCCESS log echo "SUCCESS"
PREFIX="$SUCCESS_PREFIX" PREFIX="$SUCCESS_PREFIX"
else else
log echo FAILED log echo "FAILED: $RESULT"
PREFIX="$FAILED_PREFIX" PREFIX="$FAILED_PREFIX"
fi fi
printf "Subject: $PREFIX: $MAIL_SUBJECT\n\n$(cat $LOGFILE)\n" | printf "Subject: $PREFIX: '$PARAM'\n\n$(cat $LOGFILE)\n" |
sendmail -t "$MAIL_TO" sendmail -t "$MAIL_TO"
} }
@@ -61,16 +68,27 @@ cleanup() {
trap failed INT QUIT KILL trap failed INT QUIT KILL
trap cleanup EXIT trap cleanup EXIT
if [ -n "$TEST_SMTP" ]; then case "$PARAM" in
echo "Testing mail to $MAIL_TO" test-smtp)
testmail echo "Testing mail to $MAIL_TO"
echo "Done." testmail
exit echo "Done."
fi ;;
check)
log echo STARTED: $CHECK_COMMAND
log $CHECK_COMMAND
RESULT=$?
report
;;
run)
log echo STARTED: $RUN_COMMAND
log $RUN_COMMAND
RESULT=$?
report
;;
*)
log echo "UNKNOWN COMMAND: '$PARAM'"
report
;;
esac
echo "STARTED" >> "$LOGFILE"
if log $BACKUP_COMMAND; then
SUCCESS=1
report
fi