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allow bucket object listing #305

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merged 2 commits into from
Nov 11, 2023
Merged

allow bucket object listing #305

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410a444
terraform-iam: convert to aws_iam_policy_document
flokli Nov 11, 2023
eccb66d
terraform-iam: fix listing for nix-cache-logs and others (hopefully)
flokli Nov 11, 2023
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93 changes: 53 additions & 40 deletions terraform-iam/archeologist.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -6,53 +6,66 @@ resource "aws_s3_bucket" "archeologist" {
bucket = "nix-archeologist"
}

data "aws_iam_policy_document" "archaeologist" {
statement {
# Read-only access and listing permissions
# To the cache and releases inventories,
# as well as the bucket where cache bucket logs end up in.
sid = "NixCacheLogsInventoryReadOnly"

actions = [
"s3:List*",
"s3:Get*"
]

resources = [
"arn:aws:s3:::nix-cache-inventory",
"arn:aws:s3:::nix-cache-inventory/*",
"arn:aws:s3:::nix-cache-log",
"arn:aws:s3:::nix-cache-log/*",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001/*"
]
}

statement {
sid = "NixCacheLogsReadOnly"

actions = [
"s3:Get*"
]

resources = [
"arn:aws:s3:::nix-cache-log",
"arn:aws:s3:::nix-cache-log/*",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001/*",
]
}

statement {
# Full access to the Archaeologist bucket
sid = "NixArchaeologistReadWrite"

actions = [
"s3:*"
]

resources = [
aws_s3_bucket.archeologist.arn,
"${aws_s3_bucket.archeologist.arn}/*"
]
}
}

# This is the role that is given to the AWS Identity Center users
resource "aws_iam_policy" "archologist" {
provider = aws.us

name = "archeologist"
description = "used by the S3 archeologists"

policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "NixCacheInventoryReadOnly",
"Effect": "Allow",
"Action": [
"s3:Get*"
],
"Resource": [
"arn:aws:s3:::nix-cache-inventory",
"arn:aws:s3:::nix-cache-inventory/*",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001",
"arn:aws:s3:::nix-releases-inventory220231029182031496800000001/*"
]
},
{
"Sid": "NixCacheLogsReadOnly",
"Effect": "Allow",
"Action": [
"s3:Get*"
],
"Resource": [
"arn:aws:s3:::nix-cache-log",
"arn:aws:s3:::nix-cache-log/*"
]
},
{
"Sid": "NixArcheologistReadWrite",
"Effect": "Allow",
"Action": [ "s3:*" ],
"Resource": [
"${aws_s3_bucket.archeologist.arn}",
"${aws_s3_bucket.archeologist.arn}/*"
]
}
]
}
EOF
policy = data.aws_iam_policy_document.archaeologist.json
}

# Prepare this role to be attached to the EC2 instance
Expand Down