add worker pool example

Author: Md Anam Raihan

examples/worker_pool/main.tf

@@ -0,0 +1,21 @@
+########################################################################################################################
+# Resource Group
+########################################################################################################################
+
+module "resource_group" {
+  source  = "terraform-ibm-modules/resource-group/ibm"
+  version = "1.4.0"
+  # if an existing resource group is not set (null) create a new one using prefix
+  resource_group_name          = var.resource_group == null ? "${var.prefix}-resource-group" : null
+  existing_resource_group_name = var.resource_group
+}
+
+
+module "worker_pools" {
+  source            = "../../modules/worker-pool"
+  resource_group_id = module.resource_group.resource_group_id
+  cluster_id        = var.cluster_id
+  worker_pools      = var.worker_pools
+  vpc_subnets       = var.vpc_subnets
+  vpc_id            = var.vpc_id
+}

examples/worker_pool/outputs.tf

@@ -0,0 +1,11 @@
+##############################################################################
+# Outputs
+##############################################################################
+
+#output "myoutput" {
+#  description = "Description of my output"
+#  value       = "value"
+#  depends_on  = [<some resource>]
+#}
+
+##############################################################################

examples/worker_pool/provider.tf

@@ -0,0 +1,9 @@
+########################################################################################################################
+# Terraform providers
+########################################################################################################################
+
+provider "ibm" {
+  ibmcloud_api_key = var.ibmcloud_api_key
+  region           = var.region
+  visibility       = "public"
+}

examples/worker_pool/variables.tf

@@ -0,0 +1,77 @@
+########################################################################################################################
+# Input Variables
+########################################################################################################################
+
+variable "ibmcloud_api_key" {
+  type        = string
+  description = "The IBM Cloud api key"
+  sensitive   = true
+}
+
+variable "prefix" {
+  type        = string
+  description = "Prefix for name of all resource created by this example"
+  validation {
+    error_message = "Prefix must begin and end with a letter and contain only letters, numbers, and - characters."
+    condition     = can(regex("^([A-z]|[a-z][-a-z0-9]*[a-z0-9])$", var.prefix))
+  }
+}
+
+variable "region" {
+  type        = string
+  description = "Region where resources are created"
+}
+
+variable "resource_group" {
+  type        = string
+  description = "An existing resource group name to use for this example, if unset a new resource group will be created"
+  default     = null
+}
+
+variable "cluster_id" {
+  type        = string
+  description = "The ID of the cluster"
+}
+
+variable "worker_pools" {
+  type = list(object({
+    subnet_prefix = optional(string)
+    vpc_subnets = optional(list(object({
+      id         = string
+      zone       = string
+      cidr_block = string
+    })))
+    pool_name         = string
+    machine_type      = string
+    workers_per_zone  = number
+    resource_group_id = optional(string)
+    operating_system  = string
+    labels            = optional(map(string))
+    minSize           = optional(number)
+    secondary_storage = optional(string)
+    maxSize           = optional(number)
+    enableAutoscaling = optional(bool)
+    boot_volume_encryption_kms_config = optional(object({
+      crk             = string
+      kms_instance_id = string
+      kms_account_id  = optional(string)
+    }))
+    additional_security_group_ids = optional(list(string))
+  }))
+  description = "List of worker pools"
+}
+
+variable "vpc_subnets" {
+  type = map(list(object({
+    id         = string
+    zone       = string
+    cidr_block = string
+  })))
+  description = "Metadata that describes the VPC's subnets. Obtain this information from the VPC where this cluster is created."
+}
+
+variable "vpc_id" {
+  type        = string
+  description = "ID of the VPC instance where this cluster is provisioned."
+}
+

examples/worker_pool/version.tf

@@ -0,0 +1,12 @@
+terraform {
+  required_version = ">= 1.9.0"
+
+  # Ensure that there is always 1 example locked into the lowest provider version of the range defined in the main
+  # module's version.tf (basic and add_rules_to_sg), and 1 example that will always use the latest provider version (advanced, fscloud and multiple mzr).
+  required_providers {
+    ibm = {
+      source  = "ibm-cloud/ibm"
+      version = ">= 1.78.2"
+    }
+  }
+}