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# 用于发布来自 DNS 查询日志的 CloudWatch 指标的 IAM 角色
<a name="gr-cloudwatch-metrics-iam-role"></a>

附加到您的 IAM 角色或用户的 AWS 身份和访问管理 (IAM) 策略必须至少包含以下权限。

```
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "CloudWatchMetricFilterPermissions",
            "Effect": "Allow",
            "Action": [
                "logs:PutMetricFilter",
                "logs:DescribeMetricFilters",
                "logs:DeleteMetricFilter",
                "logs:TestMetricFilter"
            ],
            "Resource": "*"
        },
        {
            "Sid": "CloudWatchLogsInsightsPermissions",
            "Effect": "Allow",
            "Action": [
                "logs:StartQuery",
                "logs:StopQuery",
                "logs:GetQueryResults",
                "logs:DescribeQueries",
                "logs:DescribeLogGroups"
            ],
            "Resource": "*"
        },
        {
            "Sid": "CloudWatchMetricsNamespacePermissions",
            "Effect": "Allow",
            "Action": [
                "cloudwatch:PutMetricData",
                "cloudwatch:GetMetricData",
                "cloudwatch:ListMetrics"
            ],
            "Resource": "*"
        }
    ]
}
```