#!/bin/bash
set -e

if ! which jq >> /dev/null; then
  echo "jq not found"
  exit 1
fi

if [ "$#" -ne 2 ]; then
  pvesh get /nodes
  echo "usage: $0 <node_from> <node_to>"
  exit 1
fi

from="$1"
target="$2"

migratable_ids="$(pvesh get "/nodes/${from}/qemu" --output-format json |\
	jq -r 'map(select( .status == "running" and (.tags | split(";") | all(.!="nomigrate")) ) | .vmid) | @csv')"

if [[ "$migratable_ids" != ""  ]]; then
	echo "$from $target $migratable_ids"
	pvesh create "/nodes/${from}/migrateall" -vms "$migratable_ids" -target "$target"
fi