terraform/aws lambda function 在 s3 上拒絕訪問

Question

使用 terraform 測試 AWS 實例調度程序。 代碼在這里

看起來我的代碼充滿了這個錯誤：

錯誤：等待 CloudFormation 堆棧創建時出錯：未能創建 CloudFormation 堆棧，請求回滾（ROLLBACK_COMPLETE）：[“以下資源未能創建：[主要]。用戶請求回滾。” “您的訪問已被 S3 拒絕，請確保您的請求憑證有權 GetObject for solutions-us-gov-west-1/aws-instance-scheduler/v1.3.1/instance-scheduler.zip。S3 錯誤代碼： AccessDenied.S3 錯誤消息：訪問被拒絕（服務：AWSLambdaInternal；狀態代碼：403；錯誤代碼：AccessDeniedException；請求 ID：731b7c0d-cda9-4f9e-b821-efed4cbced46；代理：null）"]

以下是部分代碼： IAM policy

"InstanceSchedulerEncryptionKeyAlias": {
    "Type": "AWS::KMS::Alias",
    "Properties": {
        "AliasName": "alias/instance-scheduler-encryption-key",
        "TargetKeyId": {
            "Ref": "InstanceSchedulerEncryptionKey"
        }
    }
},
"SchedulerPolicy": {
    "Type": "AWS::IAM::Policy",
    "Metadata": {
        "cfn_nag": {
            "rules_to_suppress": [
                {
                    "id": "W12",
                    "reason": "All policies have been scoped to be as restrictive as possible. This solution needs to access ec2/rds resources across all regions."
                }
            ]
        }
    },
    "Properties": {
        "PolicyName": "SchedulerPolicy",
        "Roles": [
            {
                "Ref": "SchedulerRole"
            }
        ],
        "PolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Effect": "Allow",
                    "Action": [
                        "logs:CreateLogGroup",
                        "logs:CreateLogStream",
                        "logs:PutLogEvents",
                        "logs:PutRetentionPolicy",
                        "logs:*"
                    ],
                    "Resource": [
                        {
                            "Fn::Join": [
                                ":",
                                [
                                    "arn:aws-us-gov:logs:*:*:*",
                                    {
                                        "Ref": "AWS::Region"
                                    },
                                    {
                                        "Ref": "AWS::AccountId"
                                    },
                                    "log-group",
                                    {
                                        "Ref": "SchedulerLogGroup"
                                    },
                                    "*"
                                ]
                            ]
                        },
                        {
                            "Fn::Join": [
                                ":",
                                [
                                    "arn:aws-us-gov:logs:*:*:*",
                                    {
                                        "Ref": "AWS::Region"
                                    },
                                    {
                                        "Ref": "AWS::AccountId"
                                    },
                                    "log-group:/aws/lambda/*"
                                ]
                            ]
                        }
                    ]
                },
                {   "Effect": "Allow",
                    "Action": [
                        "s3:*"
                    ],
                    "Resource": [
                        "arn:aws-us-gov:s3:::*"
                    ]
                }, 

IAM 角色

 "SchedulerRole": {
    "Type": "AWS::IAM::Role",
    "Properties": {
        "AssumeRolePolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Effect": "Allow",
                    "Principal": {
                        "Service": "lambda.amazonaws.com"
                    },
                    "Action": "sts:AssumeRole"
                },
                {
                    "Effect": "Allow",
                    "Principal": {
                        "Service": "events.amazonaws.com"
                    },
                    "Action": "sts:AssumeRole"
                }
            ]
        },
        "Path": "/"
    }
},

我確信它對我在代碼中的格式感到困惑，或者我在 s3 的角色或政策中遺漏了一些東西。 在這里查找類似的問題，並將感謝任何關於我的代碼的指針。 我知道我很接近。

Answer 1

您在 SchedulerPolicy 中的加入有問題。 您需要刪除尾隨*:*:* 。

"Fn::Join": [
":",
[
    "arn:aws-us-gov:logs:*:*:*",
    {
        "Ref": "AWS::Region"
    },
    {
        "Ref": "AWS::AccountId"
    },
    "log-group:/aws/lambda/*"
]
]

通過上述連接，您最終將得到一個字符串arn:aws-us-gov:logs:*:*:*:us-east-1:0987654321:log-group:/aws/lambda/*而不是預期的arn:aws-us-gov:logs:us-east-1:0987654321:log-group:/aws/lambda/*

Answer 2

您無權訪問此 s3 object ，因為您正在嘗試使用此問題中共享的代碼是否支持 gov-Cloud？ #11

“S3Key”：“aws-instance-scheduler/v1.3.1/instance-scheduler.zip”

object 不再可用

$ curl -I https://aws-instance-scheduler.s3.amazonaws.com/v1.3.0/instance-scheduler.zip
HTTP/1.1 403 Forbidden
x-amz-request-id: 2663CDC7E74E1BE8
x-amz-id-2: GsWrKdNtOqqUdqR6wfWJ0pZGPqlhHD17rFvfCsqsQB09V+T3SGAc+V+HCTCIU8mj501Sbn4K7sA=
Content-Type: application/xml
Date: Tue, 16 Feb 2021 21:14:38 GMT
Server: AmazonS3

錯誤是一樣的。

您的訪問已被 S3 拒絕，請確保您的請求憑證有權 GetObject for solutions-us-gov-west-1/aws-instance-scheduler/v1.3.1/instance-scheduler.zip。

如果您以某種方式獲得了代碼並上傳到存儲桶，您可以更新您的 function，如下所示：

{
..
        "MyFunction": {
            "Type": "AWS::Lambda::Function",
            "Properties": {
                "Code": {
                    "S3Bucket": BUCKETNAME,
                    "S3Key": "aws-instance-scheduler/v1.3.1/instance-scheduler.zip"
                }
            }
        }
    }
}