infrastructure/roles/backup/templates/backup.sh.j2

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2024-09-26 22:02:36 +00:00
#!/usr/bin/env bash
set -e
set -a
. "{{ service_path }}/service.env"
set +a
duration_start=$(date +%s)
_duration_get () {
duration_end=$(date +%s)
echo "$((duration_end - duration_start))"
}
hc_url="https://hc-ping.com/$HC_UID"
uptime_kuma_url="https://status.serguzim.me/api/push/$UPTIME_KUMA_TOKEN"
_hc_ping () {
curl -fsSL --retry 3 "$hc_url$1" >/dev/null
}
_uptime_kuma_ping () {
duration=$(_duration_get)
curl -fsSL --retry 3 \
--url-query "status=$1" \
--url-query "msg=$2" \
--url-query "ping=${duration}000" \
"$uptime_kuma_url" >/dev/null
}
_fail () {
_hc_ping "/fail"
_uptime_kuma_ping "down" "$1"
rm -rf "$BACKUP_LOCATION"
exit 1
}
_success () {
_hc_ping
_uptime_kuma_ping "up" "backup successful"
}
_hc_ping "/start"
BACKUP_LOCATION="$(mktemp -d --suffix=-backup)"
export BACKUP_LOCATION
cd "$BACKUP_LOCATION" || _fail "failed to cd to $BACKUP_LOCATION"
shopt -s nullglob
for file in "{{ service_path }}/backup.d/"*
do
file_name="$(basename "$file")"
echo ""
echo "running $file_name"
time "$file" >"/tmp/$file_name.log" || _fail "error while running $file_name"
done || true
cd "{{ service_path }}"
docker compose run --rm -v "$BACKUP_LOCATION:/backup/misc" app backup /backup || _fail "error during restic backup"
_success
rm -rf "$BACKUP_LOCATION"
echo "forgetting old backups for {{ ansible_facts.hostname }}"
docker compose run --rm app forget --host "{{ ansible_facts.hostname }}" --prune \
--keep-last 7 \
--keep-daily 14 \
--keep-weekly 16 \
--keep-monthly 12 \
--keep-yearly 2