初始化

2026-06-25 09:41:16 +08:00
commit 34001a4296
10 changed files with 689 additions and 0 deletions
@@ -0,0 +1,36 @@
+#!/bin/sh
+set -e
+
+CREDENTIALS="-h ${PGHOST:-postgres} -U ${PGUSER:-postgres}"
+BACKUP_DIR=${BACKUP_DIR:-/backup}
+RETENTION_DAYS=${RETENTION_DAYS:-7}
+
+backup() {
+  local filename="backup_$(date +%Y%m%d_%H%M%S).sql.gz"
+  echo "[$(date +%Y-%m-%d\ %H:%M:%S)] Starting backup: $filename"
+  pg_dumpall $CREDENTIALS | gzip > "$BACKUP_DIR/$filename"
+  echo "[$(date +%Y-%m-%d\ %H:%M:%S)] Backup complete: $(du -h "$BACKUP_DIR/$filename" | cut -f1)"
+}
+
+cleanup() {
+  local count=$(find "$BACKUP_DIR" -name "backup_*.sql.gz" -mtime +$RETENTION_DAYS | wc -l)
+  if [ "$count" -gt 0 ]; then
+    find "$BACKUP_DIR" -name "backup_*.sql.gz" -mtime +$RETENTION_DAYS -delete
+    echo "[$(date +%Y-%m-%d\ %H:%M:%S)] Cleaned up $count backup(s) older than $RETENTION_DAYS days"
+  fi
+}
+
+# Run immediately on startup
+backup
+cleanup
+
+# Schedule: calculate seconds until next 2:00 AM, then run every 24h
+while true; do
+  now=$(date +%s)
+  target=$(date -d "tomorrow 02:00" +%s)
+  sleep_seconds=$((target - now))
+  echo "[$(date +%Y-%m-%d\ %H:%M:%S)] Next backup scheduled at $(date -d @$target '+%Y-%m-%d %H:%M:%S')"
+  sleep $sleep_seconds
+  backup
+  cleanup
+done
@@ -0,0 +1,21 @@
+#!/bin/sh
+set -e
+
+# 红动未来 - PostgreSQL 主从复制初始化
+# 在 Host1（主库）上执行一次，为从库复制做准备
+# 用法：sh deploy/scripts/setup-replication.sh
+
+POSTGRES_CONTAINER="${POSTGRES_CONTAINER:-postgres}"
+
+echo "=== 1. 添加 pg_hba 复制规则 ==="
+docker exec "$POSTGRES_CONTAINER" sh -c 'echo "host replication all 0.0.0.0/0 md5" >> /var/lib/postgresql/data/pg_hba.conf'
+
+echo "=== 2. 重载 PostgreSQL 配置 ==="
+docker exec "$POSTGRES_CONTAINER" psql -U postgres -c "SELECT pg_reload_conf();"
+
+echo "=== 3. 创建物理复制槽 ==="
+docker exec "$POSTGRES_CONTAINER" psql -U postgres -c "SELECT pg_create_physical_replication_slot('replication_slot_slave') WHERE NOT EXISTS (SELECT 1 FROM pg_replication_slots WHERE slot_name = 'replication_slot_slave');"
+
+echo "=== 完成 ==="
+echo "现在可以在从库（Host2）上启动 PostgreSQL 从库："
+echo "  docker compose -f deploy/docker-compose-infra-slave.yml up -d postgres-standby"