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Better Healthchecks integration for restic-backup.sh

This commit is contained in:
david 2023-10-27 15:50:13 +02:00
parent 9d6c642019
commit fbddd00da3
2 changed files with 23 additions and 10 deletions
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10
lib.sh
View File

@ -132,3 +132,13 @@ function lib_missing_commands() {
function lib_gen_string() {
LC_ALL=C tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c ${1:-16}; echo
}
# Contact Healthchecks
# The first argument($1) must be the URL everything after that gets transmitted as log message
function lib_healthchecks() {
if [[ "$2" ]]; then
curl -fsS -m 10 --retry 5 --data-raw "${*:2}" -o /dev/null "$1"
elif [[ "$1" ]]; then
curl -fsS -m 10 --retry 5 -o /dev/null "$1"
fi
}

23
restic-backup.sh
View File

@ -16,12 +16,13 @@
##
NAME="restic-backup.sh"
VERSION="0.2.0"
VERSION="0.2.1"
AUTHOR="david@socialnerds.org"
LICENSE="MIT"
DESCRIPTION="A simple script to help setup and run periodic Restic backup jobs."
WEBSITE="https://git.socialnerds.org/david/scripts"
CHANGELOG=("[2023-10-26][v0.2.0] Complete rewrite"
CHANGELOG=("[2023-10-27][v0.2.1] Better Healthchecks integration"
"[2023-10-26][v0.2.0] Complete rewrite"
"[2022-01-01][v0.1.0] Initial version")
##
@ -182,35 +183,37 @@ else
fi
if [[ "$1" =~ ^/ && -r "$1" ]]; then
# Signal Healthchecks start if enabled
# Signal backup start to Healthchecks if enabled
if [[ "$C" -eq 1 ]]; then
HEALTHCHECKS_URL=$(cat $HEALTHCHECKS)
curl -fsS -m 10 --retry 5 -o /dev/null $HEALTHCHECKS_URL/start
lib_healthchecks "$HEALTHCHECKS_URL/start" "Commencing backup [$1]"
fi
# Run the actual backup
if ! $($RESTIC_COMMAND backup --one-file-system ${@:2} "$1" >/dev/null 2>&1); then
lib_print "!Something went wrong while running backup [$1]"
# Signal Healthchecks fail if enabled
# Signal fail to Healthchecks if enabled
if [[ "$C" -eq 1 ]]; then
curl -fsS -m 10 --retry 5 -o /dev/null $HEALTHCHECKS_URL/fail >/dev/null 2>&1
lib_healthchecks "$HEALTHCHECKS_URL/fail" "Something went wrong while running backup [$1]"
fi
exit 1
fi
# Delete old snapshots
if ! $($RESTIC_COMMAND forget --keep-last $SNAPSHOTS --path "$1" --prune >/dev/null 2>&1); then
lib_print "!Something went wrong while deleting old snapshots [$1]"
# Signal Healthchecks fail if enabled
# Signal fail to Healthchecks if enabled
if [[ "$C" -eq 1 ]]; then
curl -fsS -m 10 --retry 5 -o /dev/null $HEALTHCHECKS_URL/fail >/dev/null 2>&1
lib_healthchecks "$HEALTHCHECKS_URL/fail" "Something went wrong while deleting old snapshots [$1]"
fi
exit 1
fi
# Signal Healthchecks success if enabled
# Signal success to Healthchecks if enabled
if [[ "$C" -eq 1 ]]; then
curl -fsS -m 10 --retry 5 -o /dev/null $HEALTHCHECKS_URL >/dev/null 2>&1
lib_healthchecks "$HEALTHCHECKS_URL/log" "$($RESTIC_COMMAND stats)"
lib_healthchecks "$HEALTHCHECKS_URL" "Backup successfully done [$1]"
fi
elif [[ "$1" =~ ^(backup|cache|cat|check|copy|diff|dump|find|forget|generate|help|init|key|list|ls|migrate|mount|prune|recover|repair|restore|rewrite|snapshots|stats|tag|unlock|version)$ ]]; then
# Wrapper mode
RESTIC_COMMAND="$RESTIC_BINARY --password-file $PASSWORD --repository-file $REPOSITORY"
$RESTIC_COMMAND $@
else
lib_print "!The given path must be absolute and readable [$1]"