Added ArgoCD installation to TF

terraform/argocd.tf

@@ -0,0 +1,55 @@
+locals {
+  argocd_values = {
+    # Configure repository connection
+    configs = {
+    #   credentialTemplates = {
+    #     github-ssh = {
+    #       url           = var.argocd_repository_url
+    #       sshPrivateKey = var.argocd_private_key
+    #     }
+    #   }
+    #   repositories = {
+    #     github = {
+    #       url = var.argocd_repository_url
+    #     }
+    #   }
+    }
+
+    # Configure initial applications list
+    # server = {
+    #   additionalApplications = yamldecode(var.argocd_applications_definition)
+    # }
+
+    # Configure rbac to enable application CRD sync
+    repoServer = {
+      rbac = [{
+        apiGroups = ["argoproj.io"]
+        resources = ["applications"]
+        verbs     = ["get", "list", "watch"]
+      }]
+    }
+
+    # Disable not used ArgoCD components
+    notifications = {
+      enabled = "false"
+    }
+    dex = {
+      enabled = "false"
+    }
+    applicationSet = {
+      enabled = "false"
+    }
+  }
+}
+
+resource "helm_release" "argocd" {
+  name             = "argocd"
+  namespace        = "argocd"
+  create_namespace = true
+
+  repository = "https://argoproj.github.io/argo-helm"
+  chart      = "argo-cd"
+  version    = var.argocd_version
+
+  values = [yamlencode(local.argocd_values)]
+}

terraform/providers.tf

@@ -1,23 +1,36 @@
 terraform {
+  backend "gcs" {
+    bucket = "p2p-org-task-terraform-state"
+    prefix = "terraform/state"
+  }
   required_providers {
     google = {
-      source = "hashicorp/google"
+      source  = "hashicorp/google"
       version = "5.18.0"
     }
     kubernetes = {
       source = "hashicorp/kubernetes"
     }
+    helm = {
+      source  = "hashicorp/helm"
+      version = "2.12.1"
+    }
   }
 }
 
 provider "google" {
-  project     = var.project_id
-  region      = var.region
+  project = var.project_id
+  region  = var.region
 }
 
-terraform {
-  backend "gcs" {
-    bucket  = "p2p-org-task-terraform-state"
-    prefix  = "terraform/state"
+data "google_client_config" "default" {
+  depends_on = [module.gke]
+}
+
+provider "helm" {
+  kubernetes {
+    host  = "https://${module.gke.endpoint}"
+    token = data.google_client_config.default.access_token
+    cluster_ca_certificate = base64decode(module.gke.ca_certificate)
   }
-}
+}

terraform/variables.tf

@@ -36,4 +36,8 @@ variable "ip_range_services" {
 
 variable "ip_range_nodes" {
   description = "The subnetwork ip range to use for nodes"
+}
+
+variable "argocd_version" {
+    description = "Version of Argo CD to install"
 }

terraform/vars.auto.tfvars

@@ -10,4 +10,6 @@ subnetwork_name = "gke-cluster"
 
 ip_range_pods = "192.168.0.0/16"
 ip_range_services = "10.96.0.0/12"
-ip_range_nodes = "10.32.0.0/20"
+ip_range_nodes = "10.32.0.0/20"
+
+argocd_version = "6.6.0"