diff --git a/.env.sample b/.env.sample index 5fc87a1..e1f3806 100644 --- a/.env.sample +++ b/.env.sample @@ -1,6 +1,7 @@ TYPE=vikunja TIMEOUT=300 ENABLE_AUTO_UPDATE=true +ENABLE_BACKUPS=true DOMAIN=vikunja.example.com diff --git a/abra.sh b/abra.sh index c38f254..29518d3 100644 --- a/abra.sh +++ b/abra.sh @@ -1,2 +1,3 @@ export CONFIG_YML_VERSION=v8 export HEALTHCHECK_VERSION=v1 +export PG_BACKUP_VERSION=v2 diff --git a/compose.yml b/compose.yml index b83b9cb..389409b 100644 --- a/compose.yml +++ b/compose.yml @@ -92,10 +92,14 @@ services: - db_password deploy: labels: - backupbot.backup: "true" - backupbot.backup.pre-hook: "PGPASSWORD=$$(cat $${POSTGRES_PASSWORD_FILE}) pg_dump -U $${POSTGRES_USER} $${POSTGRES_DB} > /var/lib/postgresql/data/backup.sql" - backupbot.backup.post-hook: "rm -rf /var/lib/postgresql/data/backup.sql" - backupbot.backup.path: "/var/lib/postgresql/data/backup.sql" + backupbot.backup: "${ENABLE_BACKUPS:-true}" + backupbot.backup.pre-hook: "/pg_backup.sh backup" + backupbot.backup.volumes.db.path: "backup.sql" + backupbot.restore.post-hook: '/pg_backup.sh restore' + configs: + - source: pg_backup + target: /pg_backup.sh + mode: 0555 volumes: files: @@ -116,6 +120,9 @@ configs: healthcheck: name: ${STACK_NAME}_healthcheck_${HEALTHCHECK_VERSION} file: healthcheck + pg_backup: + name: ${STACK_NAME}_pg_backup_${PG_BACKUP_VERSION} + file: pg_backup.sh secrets: db_password: diff --git a/pg_backup.sh b/pg_backup.sh new file mode 100644 index 0000000..e83074d --- /dev/null +++ b/pg_backup.sh @@ -0,0 +1,34 @@ +#!/bin/bash + +set -e + +BACKUP_FILE='/var/lib/postgresql/data/backup.sql' + +function backup { + export PGPASSWORD=$(cat /run/secrets/db_password) + pg_dump -U ${POSTGRES_USER} ${POSTGRES_DB} > $BACKUP_FILE +} + +function restore { + cd /var/lib/postgresql/data/ + restore_config(){ + # Restore allowed connections + cat pg_hba.conf.bak > pg_hba.conf + su postgres -c 'pg_ctl reload' + } + # Don't allow any other connections than local + cp pg_hba.conf pg_hba.conf.bak + echo "local all all trust" > pg_hba.conf + su postgres -c 'pg_ctl reload' + trap restore_config EXIT INT TERM + + # Recreate Database + psql -U ${POSTGRES_USER} -d postgres -c "DROP DATABASE ${POSTGRES_DB} WITH (FORCE);" + createdb -U ${POSTGRES_USER} ${POSTGRES_DB} + psql -U ${POSTGRES_USER} -d ${POSTGRES_DB} -1 -f $BACKUP_FILE + + trap - EXIT INT TERM + restore_config +} + +$@