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Merge pull request #10 from alexknez/f-encryption
Add encryption configuration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| # DATA SOURCE: AWS CALLER IDENTITY - Used to get the Account ID | ||
| data "aws_caller_identity" "current" {} | ||
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| # KMS Key for CloudWatch Log Groups | ||
| resource "aws_kms_key" "log_key" { | ||
| description = "KMS Logs Key" | ||
| deletion_window_in_days = 7 | ||
| enable_key_rotation = true | ||
| policy = data.aws_iam_policy_document.policy_kms_logs_document.json | ||
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| tags = { | ||
| Name = "kms-key-${var.identifier}" | ||
| } | ||
| } | ||
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| # KMS Policy - it allows the use of the Key by the CloudWatch log groups created in this sample | ||
| data "aws_iam_policy_document" "policy_kms_logs_document" { | ||
| statement { | ||
| sid = "Enable IAM User Permissions" | ||
| actions = ["kms:*"] | ||
| resources = ["arn:aws:kms:${var.aws_region}:${data.aws_caller_identity.current.account_id}:*"] | ||
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| principals { | ||
| type = "AWS" | ||
| identifiers = ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:root"] | ||
| } | ||
| } | ||
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| statement { | ||
| sid = "Enable KMS to be used by CloudWatch Logs" | ||
| actions = [ | ||
| "kms:Encrypt*", | ||
| "kms:Decrypt*", | ||
| "kms:ReEncrypt*", | ||
| "kms:GenerateDataKey*", | ||
| "kms:Describe*" | ||
| ] | ||
| resources = ["arn:aws:kms:${var.aws_region}:${data.aws_caller_identity.current.account_id}:*"] | ||
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||
| principals { | ||
| type = "Service" | ||
| identifiers = ["logs.${var.aws_region}.amazonaws.com"] | ||
| } | ||
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| condition { | ||
| test = "ArnLike" | ||
| variable = "kms:EncryptionContext:aws:logs:arn" | ||
| values = ["arn:aws:logs:${var.aws_region}:${data.aws_caller_identity.current.account_id}:*"] | ||
| } | ||
| } | ||
| } | ||
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| # Encryption KMS Key | ||
| resource "aws_kms_key" "encryption_key" { | ||
| description = "KMS Encryption Key" | ||
| deletion_window_in_days = 7 | ||
| enable_key_rotation = true | ||
| policy = data.aws_iam_policy_document.policy_encryption_key_document.json | ||
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| tags = { | ||
| Name = "kms-key-${var.identifier}" | ||
| } | ||
| } | ||
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| # KMS Policy - it allows the use of the KMS Key by the root account and key creator | ||
| data "aws_iam_policy_document" "policy_encryption_key_document" { | ||
| statement { | ||
| sid = "Enable IAM User Permissions" | ||
| actions = ["kms:*"] | ||
| resources = ["arn:aws:kms:${var.aws_region}:${data.aws_caller_identity.current.account_id}:*"] | ||
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||
| principals { | ||
| type = "AWS" | ||
| identifiers = ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:root"] | ||
| } | ||
| } | ||
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||
| statement { | ||
| sid = "Allow access for Key Administrators" | ||
| actions = [ | ||
| "kms:Create*", | ||
| "kms:Describe*", | ||
| "kms:Enable*", | ||
| "kms:List*", | ||
| "kms:Put*", | ||
| "kms:Update*", | ||
| "kms:Revoke*", | ||
| "kms:Disable*", | ||
| "kms:Get*", | ||
| "kms:Delete*", | ||
| "kms:TagResource", | ||
| "kms:UntagResource", | ||
| "kms:ScheduleKeyDeletion", | ||
| "kms:CancelKeyDeletion" | ||
| ] | ||
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| resources = ["*"] | ||
| principals { | ||
| type = "AWS" | ||
| identifiers = [data.aws_caller_identity.current.arn] | ||
| } | ||
| } | ||
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| statement { | ||
| sid = "Allow attachment of persistent resources" | ||
| actions = [ | ||
| "kms:CreateGrant", | ||
| "kms:ListGrants", | ||
| "kms:RevokeGrant" | ||
| ] | ||
| resources = ["*"] | ||
| principals { | ||
| identifiers = ["arn:aws:iam::${data.aws_caller_identity.current.account_id}:root"] | ||
| type = "AWS" | ||
| } | ||
| condition { | ||
| test = "Bool" | ||
| values = ["true"] | ||
| variable = "kms:GrantIsForAWSResource" | ||
| } | ||
| } | ||
| } |
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