auto-start-remove-vm-provisioning

#!/bin/bash

# ===============================================
# 🔧 OpenShift VM Manager (Provision / Start / Delete)
# ===============================================

NAMESPACE="uat-infra-tools"

# List of available templates
declare -A templates
templates=(
  ["1"]="centos-stream9-desktop"
  ["2"]="rhel8-desktop"
  ["3"]="windows2k22-vm-template"
  ["4"]="windows2k25"
)

# --- Function to create a VM ---
create_vm() {
  echo ""
  echo "Select a template to provision:"
  echo "1) CentOS Stream 9 Desktop"
  echo "2) RHEL 8 Desktop"
  echo "3) Windows Server 2022 (Template)"
  echo "4) Windows Server 2025"
  echo ""

  read -p "Enter your choice [1-4]: " choice
  if [[ -z "${templates[$choice]}" ]]; then
    echo "❌ Invalid choice. Exiting."
    exit 1
  fi

  TEMPLATE=${templates[$choice]}
  read -p "Enter VM name: " VM_NAME
  [[ -z "$VM_NAME" ]] && { echo "❌ VM name cannot be empty."; exit 1; }

  echo ""
  echo "==============================================="
  echo " You have selected:"
  echo " Template:  $TEMPLATE"
  echo " VM Name:   $VM_NAME"
  echo " Namespace: $NAMESPACE"
  echo "==============================================="
  echo ""

  read -p "Proceed with provisioning? (y/n): " confirm
  [[ "$confirm" != "y" && "$confirm" != "Y" ]] && { echo "❌ Operation cancelled."; exit 0; }

  echo "🚀 Provisioning VM from template..."
  oc process -n "$NAMESPACE" "$TEMPLATE" NAME="$VM_NAME" | oc apply -f - || {
    echo "❌ Failed to create VM. Exiting."
    exit 1
  }

  echo "⏳ Waiting for VM resource to appear..."
  for i in {1..20}; do
    STATUS=$(oc get vm "$VM_NAME" -n "$NAMESPACE" -o jsonpath='{.status.printableStatus}' 2>/dev/null)
    [[ -n "$STATUS" ]] && { echo "✅ VM detected: $STATUS"; break; }
    sleep 5
  done

  echo "⏳ Waiting for VM to reach 'Stopped'..."
  for i in {1..60}; do
    STATUS=$(oc get vm "$VM_NAME" -n "$NAMESPACE" -o jsonpath='{.status.printableStatus}' 2>/dev/null)
    [[ "$STATUS" == "Stopped" ]] && { echo "✅ VM is in 'Stopped' state."; break; }
    echo "   Current status: ${STATUS:-Pending} (waiting...)"
    sleep 5
  done

  echo ""
  echo "🚀 Starting the VM..."
  virtctl start vm "$VM_NAME" -n "$NAMESPACE"

  echo "⏳ Waiting for VM to be 'Running'..."
  for i in {1..60}; do
    STATUS=$(oc get vm "$VM_NAME" -n "$NAMESPACE" -o jsonpath='{.status.printableStatus}' 2>/dev/null)
    [[ "$STATUS" == "Running" ]] && { echo "✅ VM is Running!"; break; }
    echo "   Current status: ${STATUS:-Pending} (waiting...)"
    sleep 5
  done

  echo ""
  echo "==============================================="
  echo "📦 Final VM Status:"
  oc get vm "$VM_NAME" -n "$NAMESPACE"
  echo ""
  echo "🧩 VMI Status:"
  oc get vmi "$VM_NAME" -n "$NAMESPACE" || echo "⚠️  No VMI found yet."
}

# --- Function to delete a VM ---
delete_vm() {
  echo ""
  oc get vm -n "$NAMESPACE"
  echo ""
  read -p "Enter the VM name to delete: " VM_NAME
  [[ -z "$VM_NAME" ]] && { echo "❌ VM name cannot be empty."; exit 1; }

  read -p "Are you sure you want to delete VM '$VM_NAME'? (y/n): " confirm
  [[ "$confirm" != "y" && "$confirm" != "Y" ]] && { echo "❌ Operation cancelled."; exit 0; }

  echo "🗑️  Deleting VM '$VM_NAME'..."
  oc delete vm "$VM_NAME" -n "$NAMESPACE" --ignore-not-found
  oc delete vmi "$VM_NAME" -n "$NAMESPACE" --ignore-not-found

  echo "✅ VM '$VM_NAME' and its instance have been removed."
}

# --- Function to show VM status ---
show_status() {
  echo ""
  echo "==============================================="
  echo "📦 Virtual Machines:"
  oc get vm -n "$NAMESPACE"
  echo ""
  echo "🧩 Virtual Machine Instances:"
  oc get vmi -n "$NAMESPACE"
}

# --- Main menu ---
echo "==============================================="
echo "     ⚙️  OpenShift VM Management Menu"
echo "==============================================="
echo "1) Create & Auto-Start VM"
echo "2) Delete VM"
echo "3) Show VM Status"
echo "4) Exit"
echo "==============================================="

read -p "Enter your choice [1-4]: " action
case $action in
  1) create_vm ;;
  2) delete_vm ;;
  3) show_status ;;
  4) echo "👋 Exiting."; exit 0 ;;
  *) echo "❌ Invalid option." ;;
esac