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[AWS 3]AWSの作業ログを採れ!AWS CloudTrailの設定だ!

Last updated at Posted at 2014-08-22

2014/8/22現在でβサービスではありますが、AWS API の呼び出しを記録し、ログファイルを送信するウェブサービスがあります。
これを設定しておかない手はないでしょう。

AWS CLIが動作する環境だと思いますので、aws-cliで実施します。
AWS CLI設定:http://bit.ly/1pcLfYw

#1.ログ保存先S3バケット作成
ログの保存先を作成します。
command:
$ aws s3 mb s3://バケット名

result:
make_bucket: s3://バケット名/

#2.bucket policy設定
作成したバケットにポリシー設定します。
##jsonファイル作成
ローカルに設定するポリシーファイルを置きます。
今回は、マネージメントコンソールで作成する時にできるポリシーとします。

ファイル名:trail.json

	"Version": "2012-10-17",
	"Statement": [
		{
			"Sid": "AWSCloudTrailAclCheck20131101",
			"Effect": "Allow",
			"Principal": {
				"AWS": [
					"arn:aws:iam::903692715234:root",
					"arn:aws:iam::859597730677:root",
					"arn:aws:iam::814480443879:root",
					"arn:aws:iam::216624486486:root",
					"arn:aws:iam::086441151436:root",
					"arn:aws:iam::388731089494:root",
					"arn:aws:iam::284668455005:root",
					"arn:aws:iam::113285607260:root"
				]
			},
			"Action": "s3:GetBucketAcl",
			"Resource": "arn:aws:s3:::hn-trail"
		},
		{
			"Sid": "AWSCloudTrailWrite20131101",
			"Effect": "Allow",
			"Principal": {
				"AWS": [
					"arn:aws:iam::903692715234:root",
					"arn:aws:iam::859597730677:root",
					"arn:aws:iam::814480443879:root",
					"arn:aws:iam::216624486486:root",
					"arn:aws:iam::086441151436:root",
					"arn:aws:iam::388731089494:root",
					"arn:aws:iam::284668455005:root",
					"arn:aws:iam::113285607260:root"
				]
			},
			"Action": "s3:PutObject",
			"Resource": "arn:aws:s3:::hn-trail/AWSLogs/376390722258/*",
			"Condition": {
				"StringEquals": {
					"s3:x-amz-acl": "bucket-owner-full-control"
				}
			}
		}
	]
}

#3.バケットにポリシーを適用
command:

//trail.json

result:

    "IncludeGlobalServiceEvents": true,
    "Name": "Default",
    "S3BucketName": "バケット名"
}

#4.CloudTrailの設定
command:

Trailの名前は、"Default"のようです。

result:

    "IncludeGlobalServiceEvents": true,
    "Name": "Default",
    "S3BucketName": "hn-trail"
}

#5.設定確認
command:

result:

    "trailList": [
        {
            "IncludeGlobalServiceEvents": true,
            "Name": "Default",
            "S3BucketName": "バケット名"
        }
    ]
}

以上で終わりです。

S3を覗いてみましょう!
APIログが記録されているはずです!

--
20140822 initial

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