Creates a dashboard if it does not already exist, or updates anexisting dashboard.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/cloudwatch/put-dashboard.html
| aws cloudwatch put-dashboard --dashboard-name test --dashboard-body file://test.json |
| 【新機能】CloudWatch ダッシュボードAPI ｜ Developers.IO : http://dev.classmethod.jp/cloud/aws/cloudwatch-dashboard-api-using-awscli/ |