Add k8sgpt support for the operator host

Author: robo-cap

module-operator.tf

@@ -64,6 +64,7 @@ module "operator" {
   install_helm_from_repo    = var.operator_install_helm_from_repo
   install_oci_cli_from_repo = var.operator_install_oci_cli_from_repo
   install_istioctl          = var.operator_install_istioctl
+  install_k8sgpt            = var.operator_install_k8sgpt
   install_k9s               = var.operator_install_k9s
   install_kubectx           = var.operator_install_kubectx
   install_kubectl_from_repo = var.operator_install_kubectl_from_repo

modules/operator/cloudinit.tf

@@ -137,6 +137,25 @@ data "cloudinit_config" "operator" {
     }
   }
 
+  # k8sgpt installation
+  dynamic "part" {
+    for_each = var.install_k8sgpt ? [1] : []
+    content {
+      content_type = "text/cloud-config"
+      content = jsonencode({
+        runcmd = [
+          "CLI_ARCH='${local.arch_amd}'",
+          "if [ \"$(uname -m)\" = ${local.arch_arm} ]; then CLI_ARCH='arm64'; fi",
+          "if [ -f /etc/os-release ]; then os_id=$(grep '^ID=' /etc/os-release | awk -F= '{print $2}' | tr -d '\"'); fi",
+          "if [ \"$os_id\" == \"ubuntu\" ]; then curl -LO https://github.com/k8sgpt-ai/k8sgpt/releases/latest/download/k8sgpt_$CLI_ARCH.deb; dpkg -i k8sgpt_$CLI_ARCH.deb; rm k8sgpt_$CLI_ARCH.deb; fi",
+          "if [ \"$os_id\" == \"ol\" ]; then while fuser /var/lib/rpm/.rpm.lock >/dev/null 2>&1; do sleep 5; done; rpm -ivh https://github.com/k8sgpt-ai/k8sgpt/releases/latest/download/k8sgpt_$CLI_ARCH.rpm; fi"
+        ]
+      })
+      filename   = "20-k8sgpt.yml"
+      merge_type = local.default_cloud_init_merge_type
+    }
+  }
+
   # kubectx/kubens installation
   dynamic "part" {
     for_each = var.install_kubectx ? [1] : []

modules/operator/variables.tf

@@ -20,6 +20,7 @@ variable "install_oci_cli_from_repo" { type = bool }
 variable "install_helm" { type = bool }
 variable "install_helm_from_repo" { type = bool }
 variable "install_istioctl" { type = bool }
+variable "install_k8sgpt" { type = bool }
 variable "install_k9s" { type = bool }
 variable "install_kubectl_from_repo" {
   type    = bool

variables-operator.tf

@@ -83,6 +83,12 @@ variable "operator_install_istioctl" {
   type        = bool
 }
 
+variable "operator_install_k8sgpt" {
+  default     = false
+  description = "Whether to install k8sgpt on the created operator host. NOTE: Provided only as a convenience and not supported by or sourced from Oracle - use at your own risk."
+  type        = bool
+}
+
 variable "operator_install_k9s" {
   default     = false
   description = "Whether to install k9s on the created operator host. NOTE: Provided only as a convenience and not supported by or sourced from Oracle - use at your own risk."