add backup labels for postgres and clickhouse

README.md

@@ -7,7 +7,7 @@
 * **Status**: 1, alpha
 * **Image**: [`plausible/analytics`](https://hub.docker.com/plausible/analytics), 4, upstream
 * **Healthcheck**:
-* **Backups**: No
+* **Backups**: Yes
 * **Email**: No
 * **Tests**:
 * **SSO**: No

abra.sh

@@ -1,3 +1,4 @@
 export CLICKHOUSE_CONF_VERSION=v2
 export CLICKHOUSE_USER_CONF_VERSION=v2
 export DB_ENTRYPOINT_VERSION=v1
+export CLICKHOUSE_ENTRYPOINT_VERSION=v1

compose.yml

@@ -45,18 +45,37 @@ services:
       - POSTGRES_DB=plausible
     networks:
       - internal
+    deploy:
+      labels:
+        backupbot.backup: "true"
+        backupbot.backup.pre-hook: sh -c 'pg_dump -U "$$POSTGRES_USER" -Fc "$$POSTGRES_DB" | gzip > "/postgres.dump.gz"'
+        backupbot.backup.path: "/postgres.dump.gz"
+        backupbot.backup.post-hook: "rm -f /postgres.dump.gz"
+        backupbot.restore.post-hook: sh -c 'gzip -d /postgres.dump.gz && pg_restore -U "$$POSTGRES_USER" --dbname="$$PLAUSIBLE_DB" < /postgres.dump && rm /postgres.dump'
 
   plausible_events_db:
     image: clickhouse/clickhouse-server:23.4.2.11-alpine
     volumes:
       - event-data:/var/lib/clickhouse
+    entrypoint: /custom-entrypoint.sh
     configs:
       - source: clickhouse-config
         target: /etc/clickhouse-server/config.d/logging.xml
       - source: clickhouse-user-config
         target: /etc/clickhouse-server/users.d/clickhouse-user-config.xml
+      - source: clickhouse_entrypoint
+        target: /custom-entrypoint.sh
+        mode: 0555
     networks:
       - internal
+    deploy:
+      labels:
+        backupbot.backup: "true"
+        backupbot.backup.pre-hook: clickhouse-backup create events
+        backupbot.backup.path: "/var/lib/clickhouse/backup/events"
+        backupbot.backup.post-hook: "rm -rf /var/lib/clickhouse/backup/events"
+        backupbot.restore.post-hook: clickhouse-backup restore events
+        backupbot.resoter.post-hook: "rm -rf /var/lib/clickhouse/backup/events"
 
 volumes:
   db-data:
@@ -78,3 +97,6 @@ configs:
     name: ${STACK_NAME}_db_entrypoint_${DB_ENTRYPOINT_VERSION}
     file: entrypoint.postgres.sh.tmpl
     template_driver: golang
+  clickhouse_entrypoint:
+    name: ${STACK_NAME}_clickhouse_entrypoint_${CLICKHOUSE_ENTRYPOINT_VERSION}
+    file: entrypoint.clickhouse.sh

entrypoint.clickhouse.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+CLICKHOUSE_BACKUP_VERSION=2.4.2
+
+ARCH=$(uname -m)
+if [[ $ARCH =~ "aarch64" ]]; then
+  ARCH="arm64"
+elif [[ $ARCH =~ "armv5l" ]]; then
+  ARCH="armv5"
+elif [[ $ARCH =~ "armv6l" ]]; then
+  ARCH="armv6"
+elif [[ $ARCH =~ "armv7l" ]]; then
+  ARCH="armv7"
+fi
+
+wget \
+    --quiet \
+    --continue \
+    --no-clobber \
+    --output-document=/tmp/clickhouse-backup.tar.gz \
+    "https://github.com/AlexAkulov/clickhouse-backup/releases/download/v${CLICKHOUSE_BACKUP_VERSION}/clickhouse-backup-linux-${ARCH}.tar.gz" 2>/dev/null
+
+tar -xf /tmp/clickhouse-backup.tar.gz --directory=/usr/local/bin --strip-components=3
+
+/entrypoint.sh