如何创建以日期为索引名称的滚动索引？

PUT _index_template/rolling-index-template
{
  "index_patterns": ["log-*"],
  "template": {
    "settings": {
      "number_of_shards": 1,
      "number_of_replicas": 1
    },
    "mappings": {
      "properties": {
        "timestamp": {
          "type": "date"
        },
        "message": {
          "type": "text"
        }
      }
    }
  },
  "priority": 100
}

POST _aliases
{
  "actions": [
    {
      "add": {
        "index": "log-2022.03.10",
        "alias": "current-log"
      }
    }
  ]
}

PUT /_template/rolling-index-template
{
  "index_patterns": ["log-*"],
  "template": {
    "settings": {
      "index.lifecycle.name": "rolling-policy",
      "index.lifecycle.rollover_alias": "current-log"
    }
  }
}

PUT /_ilm/policy/rolling-policy
{
  "policy": {
    "phases": {
      "hot": {
        "actions": {
          "rollover": {
            "max_age": "7d",
            "max_size": "50gb"
          }
        }
      }
    }
  }
}