feat: added support to the DA to wait till cluster is ready before deploying it using new inputs wait_till, wait_till_timeout and is_vpc_cluster (#168)

Author: dishankkalra23

solutions/agents/main.tf

@@ -3,7 +3,7 @@
 ##############################################################################
 
 data "ibm_container_cluster_config" "cluster_config" {
-  cluster_name_id   = var.cluster_id
+  cluster_name_id   = var.is_vpc_cluster ? data.ibm_container_vpc_cluster.cluster[0].name : data.ibm_container_cluster.cluster[0].name
   resource_group_id = var.cluster_resource_group_id
   config_dir        = "${path.module}/kubeconfig"
   endpoint_type     = var.cluster_config_endpoint_type != "default" ? var.cluster_config_endpoint_type : null

solutions/agents/provider.tf

@@ -13,3 +13,19 @@ provider "helm" {
     token = data.ibm_container_cluster_config.cluster_config.token
   }
 }
+
+# Retrieve information about an existing VPC cluster
+data "ibm_container_vpc_cluster" "cluster" {
+  count             = var.is_vpc_cluster ? 1 : 0
+  name              = var.cluster_id
+  wait_till         = var.wait_till
+  wait_till_timeout = var.wait_till_timeout
+}
+
+# Retrieve information about an existing Classic cluster
+data "ibm_container_cluster" "cluster" {
+  count             = var.is_vpc_cluster ? 0 : 1
+  name              = var.cluster_id
+  wait_till         = var.wait_till
+  wait_till_timeout = var.wait_till_timeout
+}

solutions/agents/variables.tf

@@ -35,6 +35,34 @@ variable "cluster_config_endpoint_type" {
   }
 }
 
+variable "is_vpc_cluster" {
+  type        = bool
+  description = "Specify true if the target cluster for the DA is a VPC cluster, false if it is classic cluster."
+  default     = true
+}
+
+variable "wait_till" {
+  description = "To avoid long wait times when you run your Terraform code, you can specify the stage when you want Terraform to mark the cluster resource creation as completed. Depending on what stage you choose, the cluster creation might not be fully completed and continues to run in the background. However, your Terraform code can continue to run without waiting for the cluster to be fully created. Supported args are `MasterNodeReady`, `OneWorkerNodeReady`, `IngressReady` and `Normal`"
+  type        = string
+  default     = "Normal"
+
+  validation {
+    error_message = "`wait_till` value must be one of `MasterNodeReady`, `OneWorkerNodeReady`, `IngressReady` or `Normal`."
+    condition = contains([
+      "MasterNodeReady",
+      "OneWorkerNodeReady",
+      "IngressReady",
+      "Normal"
+    ], var.wait_till)
+  }
+}
+
+variable "wait_till_timeout" {
+  description = "Timeout for wait_till in minutes."
+  type        = number
+  default     = 90
+}
+
 ##############################################################################
 # Log Analysis variables
 ##############################################################################