112 lines
4.7 KiB
Bash
112 lines
4.7 KiB
Bash
#!/usr/bin/env bash
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# =============================================================================
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# Meta : NextCloud 备份执行脚本
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# Version : 2.0.0
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# Author : Bash Shell Senior Development Engineer
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# License : MIT
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# Description : 自动化执行NextCloud维护模式切换、数据库和文件备份、加密、上传及清理。
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# =============================================================================
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source "$(dirname "$0")/common.sh" || { echo "FATAL: common.sh not found." >&2; exit 1; }
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#------------------------------------------------------------------------------
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# 脚本配置区
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#------------------------------------------------------------------------------
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readonly APP_NAME="NextCloud"
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readonly REMOTE_USER="root"
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readonly REMOTE_HOST="s5"
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readonly MAX_ENCRYPTED_REPLICAS=3
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# > 远程配置
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readonly REMOTE_WEB_CONTAINER="nextcloud_web"
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readonly REMOTE_DB_CONTAINER="nextcloud-db"
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readonly REMOTE_DATA_DIR="/data/nextcloud"
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readonly DB_USER="nextcloud"
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readonly DB_PASSWORD="boge14@Level5" # 建议使用更安全的方式管理密码
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readonly DB_NAME="nextcloud"
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# > 本地路径
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readonly LOCAL_BACKUP_DIR="/data/s5_146-56-159-175/nextcloud"
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# =============================================================================
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# 核心函数
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# =============================================================================
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###
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# 功能描述段: 切换Nextcloud维护模式 (on/off)
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# @param mode <string> 模式, 'on' 或 'off'
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# @return <0> 成功 | >0 失败
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###
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toggle_maintenance_mode() {
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local mode="$1"
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log_message "INFO" "Setting maintenance mode to '${mode}'..."
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execute_remote_command "${REMOTE_USER}" "${REMOTE_HOST}" \
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"docker exec -u www-data ${REMOTE_WEB_CONTAINER} php occ maintenance:mode --${mode}"
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}
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# =============================================================================
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# 主执行流程
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# =============================================================================
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main() {
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# > 设置陷阱，确保任何情况下都能尝试关闭维护模式
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trap 'log_message "ERROR" "${APP_NAME}中止的备份任务。试图禁用维护模式..."; toggle_maintenance_mode "off" || true; exit 1' ERR
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log_message "INFO" "${APP_NAME}的备份任务出现错误! 终止! "
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# > 步骤 1: 启用维护模式
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log_message "INFO" "[Step 1/8] 启用维护模式..."
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toggle_maintenance_mode "on"
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# > 步骤 2: 数据库备份
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log_message "INFO" "[Step 2/8] 执行远程数据库备份..."
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local db_backup_file="${REMOTE_DATA_DIR}/nextcloud-db_backup_$(date +%Y%m%d-%H%M%S).sql"
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local db_backup_cmd="docker exec ${REMOTE_DB_CONTAINER} mariadb-dump --single-transaction -h localhost -u ${DB_USER} -p'${DB_PASSWORD}' ${DB_NAME} > ${db_backup_file}"
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execute_remote_command "${REMOTE_USER}" "${REMOTE_HOST}" "${db_backup_cmd}"
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# > 步骤 3: rsync复制备份文件
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log_message "INFO" "[Step 3/8] Srsync复制远程备份文件..."
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mkdir -p "${LOCAL_BACKUP_DIR}"
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rsync -avz --progress -e "ssh -p ${REMOTE_SSH_PORT}" \
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"${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DATA_DIR}/" \
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"${LOCAL_BACKUP_DIR}/"
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# > 步骤 4: 远程清理数据库备份
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log_message "INFO" "[Step 4/8] 远程清理数据库备份..."
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execute_remote_command "${REMOTE_USER}" "${REMOTE_HOST}" "rm -f ${REMOTE_DATA_DIR}/nextcloud-db_backup_*.sql"
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# > 步骤 5: 禁用维护模式
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log_message "INFO" "[Step 5/8] 禁用维护模式..."
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toggle_maintenance_mode "off"
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# > 步骤 6: 7zip加密
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local archive_file="${SCRIPT_RUN_DIR}/${APP_NAME}-backup-$(date +%Y%m%d-%H%M%S).7z"
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log_message "INFO" "[Step 6/8] 7zip加密本地目录..."
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encrypt_with_7zip "${LOCAL_BACKUP_DIR}" "${archive_file}"
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# > 步骤 7: rclone上传
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log_message "INFO" "[Step 7/8] 上传加密压缩包至冷存储 => ${RCLONE_REMOTE_REPO}..."
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rclone_copy "${archive_file}" "${RCLONE_REMOTE_REPO}"
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# > 步骤 8: 控制副本数并清理本地
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log_message "INFO" "[Step 8/8] 控制冷备份的副本数量 => ${MAX_ENCRYPTED_REPLICAS}..."
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rclone_control_replicas "${RCLONE_REMOTE_REPO}" "${APP_NAME}-backup-" "${MAX_ENCRYPTED_REPLICAS}"
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cleanup_local_encrypted_files "${SCRIPT_RUN_DIR}"
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# rm -rf "${LOCAL_BACKUP_DIR}"
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log_message "INFO" "====== ${APP_NAME} 备份任务已全部完成! ======"
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}
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# =============================================================================
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# 脚本入口点
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# =============================================================================
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# 函数调用关系图
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# main
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# ├─ toggle_maintenance_mode (2)
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# │ └─ execute_remote_command
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# ├─ execute_remote_command (2)
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# ├─ encrypt_with_7zip
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# ├─ rclone_copy
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# ├─ rclone_control_replicas
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# └─ cleanup_local_encrypted_files
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# =============================================================================
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main "$@"
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