新增备份监控与定时配置

2026-08-16 23:53:50 +08:00
parent 66cb03ebce
commit f67ee12d72
19 changed files with 612 additions and 3 deletions
@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+set -euo pipefail
+umask 077
+
+# 生成供后台只读展示的备份状态摘要。内容不包含密钥、备份载荷或下载地址。
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=backup-common.sh
+source "${SCRIPT_DIR}/backup-common.sh"
+
+json_escape() {
+  local value="$1"
+  value="${value//\\/\\\\}"
+  value="${value//\"/\\\"}"
+  value="${value//$'\n'/ }"
+  value="${value//$'\r'/ }"
+  printf '%s' "${value}"
+}
+
+config_value() {
+  local key="$1" fallback="$2" value
+  value="$(backup_mysql_root_query "SELECT value FROM system_configs WHERE \`key\` = '${key}' LIMIT 1;" 2>/dev/null || true)"
+  value="${value//$'\n'/}"
+  printf '%s' "${value:-${fallback}}"
+}
+
+write_status() {
+  backup_require_cmd docker
+  backup_require_cmd ossutil
+
+  local backup_dir oss_uri status_dir status_file temp_file enabled hour minute interval
+  local local_complete remote_complete binlog_state binlog_file binlog_remote job_type job_status job_at job_message health
+  backup_dir="$(backup_require_env BACKUP_DIR)"
+  oss_uri="$(backup_require_env BACKUP_OSS_URI)"
+  status_dir="${BACKUP_STATUS_DIR:-${backup_dir}/status}"
+  backup_validate_dir "${status_dir}"
+  mkdir -p "${status_dir}"
+  chmod 700 "${status_dir}"
+  status_file="${status_dir}/status.json"
+  temp_file="${status_dir}/.status-$$.json"
+
+  enabled="$(config_value 'backup.schedule_enabled' 'true')"
+  hour="$(config_value 'backup.full_hour' '4')"
+  minute="$(config_value 'backup.full_minute' '30')"
+  interval="$(config_value 'backup.binlog_interval_minutes' '1')"
+  local_complete="$(find "${backup_dir}/full/daily" -name complete.env -type f -print 2>/dev/null | sort | tail -1 || true)"
+  remote_complete="$(ossutil ls "${oss_uri}/mysql/full/daily/" -r 2>/dev/null | awk '$NF ~ /\/complete\.env$/ { latest = $NF } END { print latest }')"
+  binlog_state="$(find "${backup_dir}/binlog-state" -name last-archived.env -type f -print 2>/dev/null | sort | tail -1 || true)"
+  binlog_file=''
+  binlog_remote=''
+  if [[ -n "${binlog_state}" ]]; then
+    binlog_file="$(awk -F= '$1 == "filename" { print substr($0, index($0, "=") + 1); exit }' "${binlog_state}")"
+    binlog_remote="$(awk -F= '$1 == "remote_dir" { print substr($0, index($0, "=") + 1); exit }' "${binlog_state}")"
+  fi
+
+  job_type=''
+  job_status=''
+  job_at=''
+  job_message=''
+  if [[ -f "${status_dir}/last-job.env" ]]; then
+    # shellcheck disable=SC1090
+    source "${status_dir}/last-job.env"
+  fi
+  if [[ -n "${local_complete}" && -n "${remote_complete}" && -n "${binlog_file}" ]]; then
+    health='healthy'
+  else
+    health='warning'
+  fi
+
+  cat > "${temp_file}" <<EOF
+{
+  "generated_at": "$(date -Iseconds)",
+  "health": "$(json_escape "${health}")",
+  "schedule": {
+    "enabled": "$(json_escape "${enabled}")",
+    "full_hour": "$(json_escape "${hour}")",
+    "full_minute": "$(json_escape "${minute}")",
+    "binlog_interval_minutes": "$(json_escape "${interval}")"
+  },
+  "last_full": {
+    "local_complete": "$(json_escape "${local_complete}")",
+    "remote_complete": "$(json_escape "${remote_complete}")"
+  },
+  "last_binlog": {
+    "file": "$(json_escape "${binlog_file}")",
+    "remote_dir": "$(json_escape "${binlog_remote}")"
+  },
+  "last_job": {
+    "type": "$(json_escape "${job_type}")",
+    "status": "$(json_escape "${job_status}")",
+    "at": "$(json_escape "${job_at}")",
+    "message": "$(json_escape "${job_message}")"
+  }
+}
+EOF
+  chmod 640 "${temp_file}"
+  mv "${temp_file}" "${status_file}"
+}
+
+case "${1:-write}" in
+  write) write_status ;;
+  *)
+    printf '用法: %s {write}\n' "$0" >&2
+    exit 1
+    ;;
+esac