feat: install infra and webapp helm charts using tf

README.md

@@ -15,3 +15,7 @@ provider "helm" {
 Based on the `KUBECONFIG` value, the helm chart will be installed on that particular cluster.
 
 > Due to an on-going issue with Terraform Helm Provider [[reference](https://github.com/hashicorp/terraform-provider-helm/issues/932)] which prevents the Terraform resource to pull a chart from a private GitHub repository (even after providing a GitHub PAT), we are forced to install the Helm chart locally.
+
+## Configuring the chart values
+
+For specific `values.yaml`, refer their specific charts and create their respective `values.yaml` files based on the dummy `values.yaml` file.

modules/infra_helm/main.tf

@@ -1,12 +1,11 @@
 # https://github.com/hashicorp/terraform-provider-helm/issues/467#issuecomment-617856419
 resource "helm_release" "infra_dependencies" {
-  name             = var.release_name
-  namespace        = var.namespace
+  name             = "infra-helm-release"
+  namespace        = "deps"
   create_namespace = true
   repository       = "https://github.com/csye7125-fall2023-group05/infra-helm-chart.git"
-  chart            = "${var.chart_path}/infra-helm-chart-1.1.0.tar.gz"
+  chart            = "${var.chart_path}/${var.infra_chart}"
   wait             = false # prevents "pending-install" helm install state
-  version          = "1.1.0"
-  values           = ["${file(var.values_file)}"]
+  values           = ["${file(var.infra_values_file)}"]
   timeout          = var.timeout
 }

modules/infra_helm/variables.tf

@@ -1,5 +1,4 @@
-variable "namespace" {}
 variable "timeout" {}
-variable "values_file" {}
+variable "infra_values_file" {}
 variable "chart_path" {}
-variable "release_name" {}
+variable "infra_chart" {}

modules/webapp_helm/main.tf

@@ -0,0 +1,11 @@
+# https://github.com/hashicorp/terraform-provider-helm/issues/467#issuecomment-617856419
+resource "helm_release" "webapp_release" {
+  name             = "webapp-helm-release"
+  namespace        = "webapp"
+  create_namespace = true
+  repository       = "https://github.com/csye7125-fall2023-group05/webapp-helm-chart.git"
+  chart            = "${var.chart_path}/${var.webapp_chart}"
+  wait             = false # prevents "pending-install" helm install state
+  values           = ["${file(var.webapp_values_file)}"]
+  timeout          = var.timeout
+}

modules/webapp_helm/variables.tf

@@ -0,0 +1,4 @@
+variable "timeout" {}
+variable "webapp_values_file" {}
+variable "chart_path" {}
+variable "webapp_chart" {}

root/.gitignore

@@ -34,4 +34,4 @@ override.tf.json
 # variables
 dev.tfvars
 prod.tfvars
-values.yaml
+*values.yaml

root/main.tf

@@ -1,8 +1,16 @@
 module "infra_dependencies" {
-  source       = "../modules/infra_helm"
-  namespace    = var.namespace
-  timeout      = var.timeout
-  values_file  = var.values_file
-  chart_path   = var.chart_path
-  release_name = var.release_name
+  source            = "../modules/infra_helm"
+  timeout           = var.timeout
+  infra_values_file = var.infra_values_file
+  chart_path        = var.chart_path
+  infra_chart       = var.infra_chart
+}
+
+module "webapp_dependencies" {
+  depends_on         = [module.infra_dependencies]
+  source             = "../modules/webapp_helm"
+  timeout            = var.timeout
+  webapp_values_file = var.webapp_values_file
+  chart_path         = var.chart_path
+  webapp_chart       = var.webapp_chart
 }

root/variables.tf

@@ -1,29 +1,35 @@
-variable "namespace" {
-  default     = "default"
-  type        = string
-  description = "Namespace in which to deploy the chart"
-}
-
 variable "timeout" {
   type        = number
   description = "The max time to run the helm release"
   default     = 30
 }
 
-variable "values_file" {
+variable "infra_values_file" {
   type        = string
-  description = "The path to the values.yaml file for the helm chart"
-  default     = "./values.yaml"
+  description = "The path to the infra_values.yaml file for the helm chart"
+  default     = "./infra_values.yaml"
+}
+
+variable "webapp_values_file" {
+  type        = string
+  description = "The path to the webapp_values.yaml file for the helm chart"
+  default     = "./webapp_values.yaml"
 }
 
 variable "chart_path" {
   type        = string
   description = "The path to the charts/ directory to install local charts"
-  default     = "../modules/infra_helm/charts"
+  default     = "../modules/charts"
+}
+
+variable "webapp_chart" {
+  type        = string
+  description = "The exact name of the webapp-helm-chart"
+  default     = "webapp-helm-chart.tar.gz"
 }
 
-variable "release_name" {
+variable "infra_chart" {
   type        = string
-  description = "The name of the helm chart release"
-  default     = "infra-helm-release"
+  description = "The exact name of the infra-helm-chart"
+  default     = "infra-helm-chart.tar.gz"
 }