feat: Update default versions / drop support Terraform before 0.15 (#454

)

* chore: refactor master to main

* rebase

* feat: Upgrade default verions and drop support for Terraform < 0.15

* Set terraform version for submodules

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     name: Verify module
     strategy:
       matrix:
-        terraform: [1.0.8]
+        terraform: [1.0.11]
     runs-on: ubuntu-latest
     container:
       image: hashicorp/terraform:${{ matrix.terraform }}
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        terraform: [0.13.0, 0.14.0, 0.15.0, 1.0.8]
+        terraform: [0.15.0, 1.0.11, latest]
         example:
           [
             "runner-default",

README.md

@@ -300,7 +300,7 @@ terraform destroy
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.15.0 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | ~> 3.35 |
 
 ## Providers
@@ -393,7 +393,7 @@ terraform destroy
 | <a name="input_cache_expiration_days"></a> [cache\_expiration\_days](#input\_cache\_expiration\_days) | Number of days before cache objects expires. | `number` | `1` | no |
 | <a name="input_cache_shared"></a> [cache\_shared](#input\_cache\_shared) | Enables cache sharing between runners, false by default. | `bool` | `false` | no |
 | <a name="input_cloudwatch_logging_retention_in_days"></a> [cloudwatch\_logging\_retention\_in\_days](#input\_cloudwatch\_logging\_retention\_in\_days) | Retention for cloudwatch logs. Defaults to unlimited | `number` | `0` | no |
-| <a name="input_docker_machine_download_url"></a> [docker\_machine\_download\_url](#input\_docker\_machine\_download\_url) | Full url pointing to a linux x64 distribution of docker machine. Once set `docker_machine_version` will be ingored. For example the GitLab version, https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.2/docker-machine. | `string` | `"https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.2/docker-machine"` | no |
+| <a name="input_docker_machine_download_url"></a> [docker\_machine\_download\_url](#input\_docker\_machine\_download\_url) | Full url pointing to a linux x64 distribution of docker machine. Once set `docker_machine_version` will be ingored. See also https://docs.gitlab.com/runner/executors/docker_machine.html#install | `string` | `"https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.12/docker-machine"` | no |
 | <a name="input_docker_machine_egress_rules"></a> [docker\_machine\_egress\_rules](#input\_docker\_machine\_egress\_rules) | List of egress rules for the docker-machine instance(s). | <pre>list(object({<br>    cidr_blocks      = list(string)<br>    ipv6_cidr_blocks = list(string)<br>    prefix_list_ids  = list(string)<br>    from_port        = number<br>    protocol         = string<br>    security_groups  = list(string)<br>    self             = bool<br>    to_port          = number<br>    description      = string<br>  }))</pre> | <pre>[<br>  {<br>    "cidr_blocks": [<br>      "0.0.0.0/0"<br>    ],<br>    "description": "Allow all egress traffic for docker machine build runners",<br>    "from_port": 0,<br>    "ipv6_cidr_blocks": [<br>      "::/0"<br>    ],<br>    "prefix_list_ids": null,<br>    "protocol": "-1",<br>    "security_groups": null,<br>    "self": null,<br>    "to_port": 0<br>  }<br>]</pre> | no |
 | <a name="input_docker_machine_iam_policy_arns"></a> [docker\_machine\_iam\_policy\_arns](#input\_docker\_machine\_iam\_policy\_arns) | List of policy ARNs to be added to the instance profile of the docker machine runners. | `list(string)` | `[]` | no |
 | <a name="input_docker_machine_instance_type"></a> [docker\_machine\_instance\_type](#input\_docker\_machine\_instance\_type) | Instance type used for the instances hosting docker-machine. | `string` | `"m5.large"` | no |
@@ -418,7 +418,7 @@ terraform destroy
 | <a name="input_gitlab_runner_registration_config"></a> [gitlab\_runner\_registration\_config](#input\_gitlab\_runner\_registration\_config) | Configuration used to register the runner. See the README for an example, or reference the examples in the examples directory of this repo. | `map(string)` | <pre>{<br>  "access_level": "",<br>  "description": "",<br>  "locked_to_project": "",<br>  "maximum_timeout": "",<br>  "registration_token": "",<br>  "run_untagged": "",<br>  "tag_list": ""<br>}</pre> | no |
 | <a name="input_gitlab_runner_security_group_description"></a> [gitlab\_runner\_security\_group\_description](#input\_gitlab\_runner\_security\_group\_description) | A description for the gitlab-runner security group | `string` | `"A security group containing gitlab-runner agent instances"` | no |
 | <a name="input_gitlab_runner_security_group_ids"></a> [gitlab\_runner\_security\_group\_ids](#input\_gitlab\_runner\_security\_group\_ids) | A list of security group ids that are allowed to access the gitlab runner agent | `list(string)` | `[]` | no |
-| <a name="input_gitlab_runner_version"></a> [gitlab\_runner\_version](#input\_gitlab\_runner\_version) | Version of the GitLab runner. | `string` | `"14.0.1"` | no |
+| <a name="input_gitlab_runner_version"></a> [gitlab\_runner\_version](#input\_gitlab\_runner\_version) | Version of the [GitLab runner](https://gitlab.com/gitlab-org/gitlab-runner/-/releases). | `string` | `"14.8.0"` | no |
 | <a name="input_instance_role_json"></a> [instance\_role\_json](#input\_instance\_role\_json) | Default runner instance override policy, expected to be in JSON format. | `string` | `""` | no |
 | <a name="input_instance_type"></a> [instance\_type](#input\_instance\_type) | Instance type used for the GitLab runner. | `string` | `"t3.micro"` | no |
 | <a name="input_kms_alias_name"></a> [kms\_alias\_name](#input\_kms\_alias\_name) | Alias added to the kms\_key (if created and not provided by kms\_key\_id) | `string` | `""` | no |

modules/cache/README.md

@@ -29,7 +29,7 @@ module "runner" {
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.15 |
 
 ## Providers
 

modules/cache/versions.tf

@@ -1,4 +1,4 @@
 
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 0.15"
 }

modules/terminate-instances/versions.tf

@@ -0,0 +1,4 @@
+
+terraform {
+  required_version = ">= 0.15"
+}

variables.tf

@@ -86,9 +86,9 @@ variable "docker_machine_spot_price_bid" {
 }
 
 variable "docker_machine_download_url" {
-  description = "Full url pointing to a linux x64 distribution of docker machine. Once set `docker_machine_version` will be ingored. For example the GitLab version, https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.2/docker-machine."
+  description = "Full url pointing to a linux x64 distribution of docker machine. Once set `docker_machine_version` will be ingored. See also https://docs.gitlab.com/runner/executors/docker_machine.html#install"
   type        = string
-  default     = "https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.2/docker-machine"
+  default     = "https://gitlab-docker-machine-downloads.s3.amazonaws.com/v0.16.2-gitlab.12/docker-machine"
 }
 
 variable "docker_machine_version" {
@@ -359,9 +359,9 @@ variable "cache_shared" {
 }
 
 variable "gitlab_runner_version" {
-  description = "Version of the GitLab runner."
+  description = "Version of the [GitLab runner](https://gitlab.com/gitlab-org/gitlab-runner/-/releases)."
   type        = string
-  default     = "14.0.1"
+  default     = "14.8.0"
 }
 
 variable "enable_ping" {

versions.tf

@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 0.13.0"
+  required_version = ">= 0.15.0"
 
   required_providers {
     aws = {