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refactor: use one instead of join to pick the first element #194

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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ This module is composed of several submodules and each of which can be used inde

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.39.0 |

## Providers
Expand Down
38 changes: 19 additions & 19 deletions config_baselines.tf
Original file line number Diff line number Diff line change
Expand Up @@ -71,13 +71,13 @@ data "aws_iam_policy_document" "recorder_publish_policy" {
resource "aws_iam_role_policy" "recorder_publish_policy" {
count = var.config_baseline_enabled ? 1 : 0
name = var.config_iam_role_policy_name
role = join("", aws_iam_role.recorder.*.id)
role = one(aws_iam_role.recorder[*].id)
policy = data.aws_iam_policy_document.recorder_publish_policy[0].json
}

resource "aws_iam_role_policy_attachment" "recorder_read_policy" {
count = var.config_baseline_enabled ? 1 : 0
role = join("", aws_iam_role.recorder.*.id)
role = one(aws_iam_role.recorder[*].id)
policy_arn = "arn:aws:iam::aws:policy/service-role/AWS_ConfigRole"
}

Expand All @@ -94,7 +94,7 @@ module "config_baseline_ap-northeast-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-northeast-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -111,7 +111,7 @@ module "config_baseline_ap-northeast-2" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-northeast-2")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -128,7 +128,7 @@ module "config_baseline_ap-northeast-3" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-northeast-3")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -145,7 +145,7 @@ module "config_baseline_ap-south-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-south-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -162,7 +162,7 @@ module "config_baseline_ap-southeast-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-southeast-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -179,7 +179,7 @@ module "config_baseline_ap-southeast-2" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ap-southeast-2")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -196,7 +196,7 @@ module "config_baseline_ca-central-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "ca-central-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -213,7 +213,7 @@ module "config_baseline_eu-central-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "eu-central-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -230,7 +230,7 @@ module "config_baseline_eu-north-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "eu-north-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -247,7 +247,7 @@ module "config_baseline_eu-west-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "eu-west-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -264,7 +264,7 @@ module "config_baseline_eu-west-2" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "eu-west-2")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -281,7 +281,7 @@ module "config_baseline_eu-west-3" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "eu-west-3")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -298,7 +298,7 @@ module "config_baseline_sa-east-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "sa-east-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -315,7 +315,7 @@ module "config_baseline_us-east-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "us-east-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -332,7 +332,7 @@ module "config_baseline_us-east-2" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "us-east-2")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -349,7 +349,7 @@ module "config_baseline_us-west-1" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "us-west-1")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand All @@ -366,7 +366,7 @@ module "config_baseline_us-west-2" {
}

enabled = var.config_baseline_enabled && contains(var.target_regions, "us-west-2")
iam_role_arn = join("", aws_iam_role.recorder.*.arn)
iam_role_arn = one(aws_iam_role.recorder[*].arn)
s3_bucket_name = local.audit_log_bucket_id
s3_key_prefix = var.config_s3_bucket_key_prefix
delivery_frequency = var.config_delivery_frequency
Expand Down
2 changes: 1 addition & 1 deletion examples/external-bucket/versions.tf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"
}
2 changes: 1 addition & 1 deletion examples/organization/master/versions.tf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"
}
2 changes: 1 addition & 1 deletion examples/organization/member/versions.tf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"
}
2 changes: 1 addition & 1 deletion examples/select-region/versions.tf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"
}
2 changes: 1 addition & 1 deletion examples/simple/versions.tf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"
}
2 changes: 1 addition & 1 deletion modules/alarm-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ Set up CloudWatch alarms to notify you when critical changes happen in your AWS

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/alarm-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/analyzer-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/analyzer-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/cloudtrail-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ Enable CloudTrail in all regions and deliver events to CloudWatch Logs. CloudTra

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/cloudtrail-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/config-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ Enable AWS Config in all regions to automatically take configuration snapshots.

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/config-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/ebs-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/ebs-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/guardduty-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ Enable GuardDuty in all regions.

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/guardduty-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/iam-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/iam-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/s3-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/s3-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/secure-bucket/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ Creates a S3 bucket with access logging enabled.

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/secure-bucket/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/securityhub-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/securityhub-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion modules/vpc-baseline/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.0.0 |

## Providers
Expand Down
2 changes: 1 addition & 1 deletion modules/vpc-baseline/versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down
2 changes: 1 addition & 1 deletion versions.tf
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
terraform {
required_version = ">= 0.12"
required_version = ">= 0.13"

required_providers {
aws = {
Expand Down