Create main.tf

Author: prashantnitt07

manifests/main.tf

@@ -0,0 +1,53 @@
+terraform {
+  required_providers {
+    kubectl = {
+      source  = "gavinbunney/kubectl"
+      version = "~> 1.14"
+    }
+  }
+}
+
+provider "kubectl" {
+  config_path = "~/.kube/config"
+}
+
+#1. Create monitoring namespace
+resource "kubectl_manifest" "monitoring_namespace" {
+  yaml_body = <<YAML
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: monitoring
+YAML
+}
+
+
+
+# Deploy Node Exporter DaemonSet + Service
+resource "kubectl_manifest" "node_exporter" {
+  yaml_body = file("${path.module}/manifests/node-exporter.yaml")
+  depends_on = [kubectl_manifest.monitoring_namespace]
+}
+
+# Deploy Node Exporter DaemonSet - Service
+
+
+resource "kubectl_manifest" "node-exporter-service" {
+  yaml_body = file("${path.module}/manifests/node-exporter-service.yaml")
+  depends_on = [kubectl_manifest.monitoring_namespace]
+}
+
+# (Optional) Use SHA hash to force reapply if manifest changes
+locals {
+  node_exporter_hash = filesha256("${path.module}/manifests/node-exporter.yaml")
+}
+
+resource "null_resource" "trigger_node_exporter_restart" {
+  triggers = {
+    config_hash = local.node_exporter_hash
+  }
+
+  provisioner "local-exec" {
+    command = "kubectl rollout restart daemonset/node-exporter -n monitoring || true"
+  }
+#}