AWS IAMどうしましょ

AWS IAMの以下のリソースについてどのように考えればいいか
- Identity-based Policy vs Resource-based Policy
- Permission Boundary
- Tag-Based Policy
- AWS SSO vs Federated IAM Role

Transcript

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    1PMJDJFT { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Principal": { "AWS": “arn:aws:iam::xxxxx:root"}, "Action": [ "s3:*", "s3:List*", "s3:Get*"], "Resource": [ "arn:aws:s3:::secure-brigade-test", "arn:aws:s3:::secure-brigade-test/*"] }] } { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Action": [ "s3:*", "s3:List*", "s3:Get*"], "Resource": [ "arn:aws:s3:::secure-brigade-test", "arn:aws:s3:::secure-brigade-test/*"] }] } Կʹରͯ͠ԿΛͰ͖Δ͔ ୭͕ԿΛͰ͖Δ͔
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15. "Principal": { “AWS": “arn:aws:iam::xxxxx:role/roleA“} } "Principal": { “AWS": “arn:aws:iam::xxxxx:role/roleB“} } “Effect": “Allow”, “Action": [“s3:*”], “Resource": [“arn:aws:s3:::bucketA” “arn:aws:s3:::bucketA/*”], "Principal": { “AWS": “arn:aws:iam::xxxxx:role/roleA“} }
16. "Principal": { “AWS": [ “arn:aws:iam::xxxxx:role/roleA“, “arn:aws:iam::xxxxx:role/roleB“] } “Effect": “Allow”, “Action": [“s3:*”], “Resource": [“arn:aws:s3:::bucketA” “arn:aws:s3:::bucketA/*”] “Effect": “Allow”, “Action": [“s3:*”], “Resource": [“arn:aws:s3:::bucketB” “arn:aws:s3:::bucketB/*”] “Effect": “Allow”, “Action": [“s3:*”], “Resource": [“arn:aws:s3:::bucketC” “arn:aws:s3:::bucketC/*”]
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18. ࠷ॳ͸͜͏ࢥͬͯͨ { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Principal": { "AWS": “arn:aws:iam::xxxxx:arn/roleA“} "Action": [“s3:List”, “s3:Get”], "Resource": [ "arn:aws:s3:::secure-brigade-test", "arn:aws:s3:::secure-brigade-test/*"] }] } { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Action": ["s3:*"], "Resource": [ "*"] }] } *".ͱ͍͏ʮೖΓޱʯΛ
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19. ࠓ͸͜͏ { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Principal": { "AWS": “arn:aws:iam::xxxxx:root"}, "Action": ["s3:*"], "Resource": [ "arn:aws:s3:::secure-brigade-test", "arn:aws:s3:::secure-brigade-test/*"] }] } { "Version": "2012-10-17", "Id": "Policy1581347975270", "Statement": [{ "Sid": "Stmt1581347973356", "Effect": "Allow", "Action": [ "s3:List*", "s3:Get*"], "Resource": [ "arn:aws:s3:::secure-brigade-test", "arn:aws:s3:::secure-brigade-test/*"] }] } ࡉ੍͔͍ޚ͸*".
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23. https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_boundaries.html { "Sid": "Stmt1581347973356", "Effect": "Allow", "Principal": { "AWS": [ "arn:aws:iam::xxx:role/roleA"]}, "Action": [“s3:*"], "Resource": [ "arn:aws:s3:::bucketA", "arn:aws:s3:::bucketA/*"] } { "Effect": “Allow", "Action": [“s3:List*”, “s3:Get*”], "Resource": [“*”] } { "Effect": “Allow", "Action": [“*”], "Resource": [“*”] } #VDLFU
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28. { "Sid": "VisualEditor1", "Effect": "Allow", "Action": eadBucket","s3:ListAllMyBuckets","s3:ListBucket*","s3:GetBucket*"], "Resource": "*" }, { "Sid": "VisualEditor2", "Effect": "Allow", "Action": ["s3:GetObject"], "Resource": "*", "Condition": { "StringEquals": { "s3:ExistingObjectTag/Owner": "frontend", "s3:ExistingObjectTag/Confidentiality": "public" } } }, { "Sid": "VisualEditor4", "Effect": "Allow", "Action": ["s3:PutObject","s3:PutObjectTagging"], "Resource": "*", "Condition": { "StringEquals": { "s3:RequestObjectTag/Owner": "frontend", "s3:RequestObjectTag/Confidentiality": "public" } } } 0XOFS
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29. { "Sid": "VisualEditor1", "Effect": "Allow", "Action": eadBucket","s3:ListAllMyBuckets","s3:ListBucket*","s3:GetBucket*"], "Resource": "*" }, { "Sid": "VisualEditor2", "Effect": "Allow", "Action": ["s3:GetObject"], "Resource": "*", "Condition": { "StringEquals": { "s3:ExistingObjectTag/Owner": "frontend", "s3:ExistingObjectTag/Confidentiality": "public" } } }, { "Sid": "VisualEditor4", "Effect": "Allow", "Action": ["s3:PutObject","s3:PutObjectTagging"], "Resource": "*", "Condition": { "StringEquals": { "s3:RequestObjectTag/Owner": "frontend", "s3:RequestObjectTag/Confidentiality": "public" } } } 0XOFS
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30. { "Sid": "VisualEditor1", "Effect": "Allow", "Action": adBucket","s3:ListAllMyBuckets","s3:ListBucket*","s3:GetBucket*"], "Resource": "*" }, { "Sid": "VisualEditor2", "Effect": "Allow", "Action": ["s3:GetObject"], "Resource": "*", "Condition": { "StringEquals": { "s3:ExistingObjectTag/Owner": "backend", "s3:ExistingObjectTag/Confidentiality": "public" } } }, { "Sid": "VisualEditor4", "Effect": "Allow", "Action": ["s3:PutObject","s3:PutObjectTagging"], "Resource": "*", "Condition": { "StringEquals": { "s3:RequestObjectTag/Owner": "backend", "s3:RequestObjectTag/Confidentiality": [ “confidential”,“public”,”sensitive”] }, “ForAllValues:StringEquals": { “s3:RequestObjectTagKeys”:[ “Owner”, “Confidentiality”, ”Description”] }, } } 0XOFS
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44. $ aws sso login --profile AdministratorAccess-master $ aws sso get-role-credentials --role-name "AdministratorAccess" --account-id "xxxx" --access- token $(cat ~/.aws/sso/cache/SOMETHING.json | jq -r ".accessToken") --region ap-southeast-1 { "roleCredentials": { "accessKeyId": “ACCESS_KEY_ID”, "secretAccessKey": “SECRET_ACCESS_KEY”, "sessionToken": “SESSION_TOKEN”, "expiration": 1581669130000 } } ################ 2020/02/15 मਖ਼ɻaws version 2Ͱ͸ࣗಈͰ΍ͬͯ͘ΕΔ $ aws sso login --profile AdministratorAccess-master $ aws s3 ls s3://secure-brigade-test-main --profile AdministratorAccess-master
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