UpdateMetricsGroup

curl --location --request POST 'https://cw.apigw.fin-ntruss.com/cw_fea/real/cw/api/rule/group/metrics/update' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Content-Type: application/json' \
--data '{
    "groupDesc": "서버 사용량에 대한 Metric Group(template) 입니다.",
    "groupName": "서버 사용량",
    "id": "**********",
    "metricsGroupItems": [
        {
          "calculation": "AVG",
          "condition": "GT",
          "dimensions": [
            {
              "dim": "type",
              "val": "svr"
            }
          ],
          "duration": 1,
          "eventLevel": "INFO",
          "metric": "avg_cpu_used_rto",
          "threshold": 1.5
        },
        {
          "calculation": "AVG",
          "condition": "GT",
          "dimensions": [
            {
              "dim": "type",
              "val": "svr"
            }
          ],
          "duration": 1,
          "eventLevel": "INFO",
          "metric": "avg_write_cnt",
          "threshold": 0.7
        },
      ],
    "prodKey": "**********"
}'