#!/bin/bash
# Script to copy Ubuntu template from LINSTOR to local storage on each node
# This is necessary because LINSTOR doesn't support cloning operations properly

set -e

TEMPLATE_VMID=9000
TEMPLATE_NAME="ubuntu-2404-cloudinit"
SOURCE_STORAGE="linstor_storage"
TARGET_STORAGE="local"
NODES=("acemagician" "elitedesk" "thinkpad")

echo "=== Copying template $TEMPLATE_NAME (VMID: $TEMPLATE_VMID) to local storage on each node ==="

for node in "${NODES[@]}"; do
  echo ""
  echo "--- Processing node: $node ---"

  # Check if template already exists locally on this node
  if ssh root@$node "qm status $TEMPLATE_VMID &>/dev/null"; then
    echo "✓ Template already exists on $node"

    # Check if it's on local storage
    if ssh root@$node "qm config $TEMPLATE_VMID | grep -q 'local:'"; then
      echo "✓ Template is already on local storage"
      continue
    fi
  fi

  echo "→ Cloning template from LINSTOR to local storage on $node..."

  # Clone the template to local storage with a temporary VMID
  TEMP_VMID=$((TEMPLATE_VMID + 1000))

  ssh root@$node "qm clone $TEMPLATE_VMID $TEMP_VMID \
    --name ${TEMPLATE_NAME}-local \
    --full \
    --storage $TARGET_STORAGE \
    --target $node" || {
    echo "✗ Failed to clone template on $node"
    continue
  }

  echo "✓ Template copied successfully to $node (VMID: $TEMP_VMID)"
  echo "  Note: You can now use VMID $TEMP_VMID or rename to $TEMPLATE_VMID after removing the LINSTOR version"
done

echo ""
echo "=== Template copy complete ==="
echo ""
echo "Next steps:"
echo "1. Verify templates exist on each node: ssh root@<node> 'qm list'"
echo "2. Update Terraform to use local templates or new VMIDs"
echo "3. Optionally remove LINSTOR template after testing"