feat: added support to specify the worker node operating system using…

… new input variable `operating_system` (#436)

README.md

@@ -259,6 +259,7 @@ Optionally, you need the following permissions to attach Access Management tags
 | <a name="input_number_of_lbs"></a> [number\_of\_lbs](#input\_number\_of\_lbs) | The number of LBs to associated the additional\_lb\_security\_group\_names security group with. | `number` | `1` | no |
 | <a name="input_ocp_entitlement"></a> [ocp\_entitlement](#input\_ocp\_entitlement) | Value that is applied to the entitlements for OCP cluster provisioning | `string` | `"cloud_pak"` | no |
 | <a name="input_ocp_version"></a> [ocp\_version](#input\_ocp\_version) | The version of the OpenShift cluster that should be provisioned (format 4.x). If no value is specified, the current default version is used. You can also specify `default`. This input is used only during initial cluster provisioning and is ignored for updates. To prevent possible destructive changes, update the cluster version outside of Terraform. | `string` | `null` | no |
+| <a name="input_operating_system"></a> [operating\_system](#input\_operating\_system) | The operating system of the workers in the default worker pool. If no value is specified, the current default version OS will be used. See https://cloud.ibm.com/docs/openshift?topic=openshift-openshift_versions#openshift_versions_available . | `string` | `null` | no |
 | <a name="input_region"></a> [region](#input\_region) | The IBM Cloud region where the cluster will be provisioned. | `string` | n/a | yes |
 | <a name="input_resource_group_id"></a> [resource\_group\_id](#input\_resource\_group\_id) | The Id of an existing IBM Cloud resource group where the cluster will be grouped. | `string` | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | Metadata labels describing this cluster deployment, i.e. test | `list(string)` | `[]` | no |

main.tf

@@ -98,6 +98,7 @@ resource "ibm_container_vpc_cluster" "cluster" {
   resource_group_id                   = var.resource_group_id
   wait_till                           = var.cluster_ready_when
   force_delete_storage                = var.force_delete_storage
+  operating_system                    = var.operating_system
   disable_public_service_endpoint     = var.disable_public_endpoint
   worker_labels                       = local.default_pool.labels
   disable_outbound_traffic_protection = var.disable_outbound_traffic_protection
@@ -164,6 +165,7 @@ resource "ibm_container_vpc_cluster" "autoscaling_cluster" {
   resource_group_id                   = var.resource_group_id
   wait_till                           = var.cluster_ready_when
   force_delete_storage                = var.force_delete_storage
+  operating_system                    = var.operating_system
   disable_public_service_endpoint     = var.disable_public_endpoint
   worker_labels                       = local.default_pool.labels
   disable_outbound_traffic_protection = var.disable_outbound_traffic_protection

modules/fscloud/README.md

@@ -49,6 +49,7 @@ No resources.
 | <a name="input_number_of_lbs"></a> [number\_of\_lbs](#input\_number\_of\_lbs) | The number of LBs to associated the additional\_lb\_security\_group\_names security group with. | `number` | `1` | no |
 | <a name="input_ocp_entitlement"></a> [ocp\_entitlement](#input\_ocp\_entitlement) | Value that is applied to the entitlements for OCP cluster provisioning | `string` | `"cloud_pak"` | no |
 | <a name="input_ocp_version"></a> [ocp\_version](#input\_ocp\_version) | The version of the OpenShift cluster that should be provisioned (format 4.x). This is only used during initial cluster provisioning, but ignored for future updates. Supports passing the string 'default' (current IKS default recommended version). If no value is passed, it will default to 'default'. | `string` | `null` | no |
+| <a name="input_operating_system"></a> [operating\_system](#input\_operating\_system) | The operating system of the workers in the default worker pool. If no value is specified, the current default version OS will be used. See https://cloud.ibm.com/docs/openshift?topic=openshift-openshift_versions#openshift_versions_available . | `string` | `null` | no |
 | <a name="input_region"></a> [region](#input\_region) | The IBM Cloud region where the cluster will be provisioned. | `string` | n/a | yes |
 | <a name="input_resource_group_id"></a> [resource\_group\_id](#input\_resource\_group\_id) | The Id of an existing IBM Cloud resource group where the cluster will be grouped. | `string` | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | Metadata labels describing this cluster deployment | `list(string)` | `[]` | no |

modules/fscloud/main.tf

@@ -30,4 +30,5 @@ module "fscloud" {
   additional_lb_security_group_ids  = var.additional_lb_security_group_ids
   number_of_lbs                     = var.number_of_lbs
   additional_vpe_security_group_ids = var.additional_vpe_security_group_ids
+  operating_system                  = var.operating_system
 }

modules/fscloud/variables.tf

@@ -199,4 +199,10 @@ variable "additional_vpe_security_group_ids" {
   default = {}
 }
 
+variable "operating_system" {
+  type        = string
+  description = "The operating system of the workers in the default worker pool. If no value is specified, the current default version OS will be used. See https://cloud.ibm.com/docs/openshift?topic=openshift-openshift_versions#openshift_versions_available ."
+  default     = null
+}
+
 ##############################################################################

variables.tf

@@ -249,6 +249,12 @@ variable "disable_outbound_traffic_protection" {
   default     = false
 }
 
+variable "operating_system" {
+  type        = string
+  description = "The operating system of the workers in the default worker pool. If no value is specified, the current default version OS will be used. See https://cloud.ibm.com/docs/openshift?topic=openshift-openshift_versions#openshift_versions_available ."
+  default     = null
+}
+
 # VPC Variables
 variable "vpc_id" {
   type        = string