Files
cozystack/packages/apps/postgres/templates/backup-script.yaml
Andrei Kvapil f642698921 Preapare release v0.0.1
Signed-off-by: Andrei Kvapil <kvapss@gmail.com>
2024-02-08 12:04:32 +01:00

51 lines
1.7 KiB
YAML

{{- if .Values.backup.enabled }}
---
apiVersion: v1
kind: Secret
metadata:
name: {{ .Release.Name }}-backup-script
stringData:
backup.sh: |
#!/bin/sh
set -e
set -o pipefail
JOB_ID="job-$(uuidgen|cut -f1 -d-)"
DB_LIST=$(psql -Atq -c 'SELECT datname FROM pg_catalog.pg_database;' | grep -v '^\(postgres\|app\|template.*\)$')
echo DB_LIST=$(echo "$DB_LIST" | shuf) # shuffle list
echo "Job ID: $JOB_ID"
echo "Target repo: $REPO_PREFIX"
echo "Cleanup strategy: $CLEANUP_STRATEGY"
echo "Start backup for:"
echo "$DB_LIST"
echo
echo "Backup started at `date +%Y-%m-%d\ %H:%M:%S`"
for db in $DB_LIST; do
(
set -x
restic -r "s3:${REPO_PREFIX}/$db" cat config >/dev/null 2>&1 || \
restic -r "s3:${REPO_PREFIX}/$db" init --repository-version 2
restic -r "s3:${REPO_PREFIX}/$db" unlock --remove-all >/dev/null 2>&1 || true # no locks, k8s takes care of it
pg_dump -Z0 -Ft -d "$db" | \
restic -r "s3:${REPO_PREFIX}/$db" backup --tag "$JOB_ID" --stdin --stdin-filename dump.tar
restic -r "s3:${REPO_PREFIX}/$db" tag --tag "$JOB_ID" --set "completed"
)
done
echo "Backup finished at `date +%Y-%m-%d\ %H:%M:%S`"
echo
echo "Run cleanup:"
echo
echo "Cleanup started at `date +%Y-%m-%d\ %H:%M:%S`"
for db in $DB_LIST; do
(
set -x
restic forget -r "s3:${REPO_PREFIX}/$db" --group-by=tags --keep-tag "completed" # keep completed snapshots only
restic forget -r "s3:${REPO_PREFIX}/$db" --group-by=tags $CLEANUP_STRATEGY
restic prune -r "s3:${REPO_PREFIX}/$db"
)
done
echo "Cleanup finished at `date +%Y-%m-%d\ %H:%M:%S`"
{{- end }}