|
| 1 | +resource "aws_s3_bucket" "this" { |
| 2 | + bucket = var.bucket_name |
| 3 | + tags = var.tags |
| 4 | +} |
| 5 | + |
| 6 | +# create versioning for the bucket |
| 7 | +resource "aws_s3_bucket_versioning" "this" { |
| 8 | + # create this resource only if var.versioning is not empty |
| 9 | + count = var.enable_versioning ? 1 : 0 |
| 10 | + |
| 11 | + bucket = aws_s3_bucket.this.id |
| 12 | + |
| 13 | + # enable versioning |
| 14 | + versioning_configuration { |
| 15 | + status = "Enabled" |
| 16 | + } |
| 17 | +} |
| 18 | + |
| 19 | +# Create a server-side encryption configuration for the bucket |
| 20 | +resource "aws_s3_bucket_server_side_encryption_configuration" "this" { |
| 21 | + # create this resource only if var.sse_algorithm is not empty |
| 22 | + count = var.sse_algorithm != "" ? 1 : 0 |
| 23 | + |
| 24 | + bucket = aws_s3_bucket.this.id |
| 25 | + |
| 26 | + rule { |
| 27 | + apply_server_side_encryption_by_default { |
| 28 | + kms_master_key_id = var.sse_algorithm == "aws:kms" ? aws_kms_key.custom_s3_kms_key[0].key_id : null |
| 29 | + sse_algorithm = var.sse_algorithm |
| 30 | + } |
| 31 | + } |
| 32 | +} |
| 33 | + |
| 34 | +# block public access |
| 35 | +resource "aws_s3_bucket_public_access_block" "this" { |
| 36 | + |
| 37 | + bucket = aws_s3_bucket.this.id |
| 38 | + |
| 39 | + block_public_acls = var.block_public_access |
| 40 | + block_public_policy = var.block_public_access |
| 41 | + ignore_public_acls = var.block_public_access |
| 42 | + restrict_public_buckets = var.block_public_access |
| 43 | +} |
| 44 | + |
| 45 | + |
| 46 | +resource "aws_s3_bucket_website_configuration" "this" { |
| 47 | + count = var.enable_website_configuration ? 1 : 0 |
| 48 | + bucket = aws_s3_bucket.this.id |
| 49 | + |
| 50 | + index_document { |
| 51 | + suffix = var.website_index_document |
| 52 | + } |
| 53 | + |
| 54 | + error_document { |
| 55 | + key = var.website_error_document |
| 56 | + } |
| 57 | +} |
| 58 | + |
| 59 | +resource "aws_s3_bucket_policy" "website_bucket_policy" { |
| 60 | + count = var.enable_website_configuration ? 1 : 0 |
| 61 | + bucket = aws_s3_bucket.this.id |
| 62 | + policy = data.aws_iam_policy_document.website_bucket_policy[0].json |
| 63 | +} |
| 64 | + |
| 65 | +data "aws_iam_policy_document" "website_bucket_policy" { |
| 66 | + count = var.enable_website_configuration ? 1 : 0 |
| 67 | + statement { |
| 68 | + effect = "Allow" |
| 69 | + principals { |
| 70 | + type = "AWS" |
| 71 | + identifiers = ["*"] |
| 72 | + } |
| 73 | + actions = ["s3:GetObject"] |
| 74 | + resources = ["${aws_s3_bucket.this.arn}/*"] |
| 75 | + |
| 76 | + } |
| 77 | +} |
| 78 | + |
| 79 | +resource "aws_s3_bucket_policy" "allow_access" { |
| 80 | + count = var.bucket_policy != "" ? 1 : 0 |
| 81 | + bucket = aws_s3_bucket.this.id |
| 82 | + policy = var.bucket_policy |
| 83 | +} |
| 84 | + |
| 85 | + |
| 86 | +resource "aws_kms_key" "custom_s3_kms_key" { |
| 87 | + count = var.sse_algorithm == "aws:kms" ? 1 : 0 |
| 88 | + description = "Custom KMS key for s3 bucket encryption" |
| 89 | + enable_key_rotation = true |
| 90 | +} |
| 91 | + |
| 92 | +resource "aws_kms_alias" "a" { |
| 93 | + count = var.sse_algorithm == "aws:kms" ? 1 : 0 |
| 94 | + name = "alias/s3-${replace(aws_s3_bucket.this.bucket, ".", "-")}" |
| 95 | + target_key_id = aws_kms_key.custom_s3_kms_key[0].key_id |
| 96 | +} |
| 97 | + |
| 98 | + |
| 99 | + |
| 100 | + |
| 101 | + |
| 102 | + |
| 103 | + |
| 104 | + |
| 105 | + |
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