#!/bin/bash

function start_vm {
    [[ -f ./libs/shflags ]] && . ./libs/shflags || eval "$(curl --silent https://git.g3e.fr/H6N/tools/raw/branch/main/libs/shflags)"

    DEFINE_string  'interface'   'eno1' 'KVM Interface'         'i'
    DEFINE_string  'vxlan_id'    '-'    'VXLAN ID'              'v'
    DEFINE_string  'gateway_ip'  '-'    'Gatewat IP'            'g'
    DEFINE_string  'network'     '-'    'Network IP'            'n'
    DEFINE_string  'netmask'     '-'    'Network Mask'          'e'
    DEFINE_string  'vpc_name'    '-'    'VPC NAME'              'c'
    DEFINE_string  'subnet_name' '-'    'SUBNET NAME'           's'
    DEFINE_string  'vm_name'     '-'    'VM NAME'               'm'
    DEFINE_string  'vm_ip'       '-'    'VM CIDR'               'p'
    DEFINE_boolean 'dryrun'      false  'Enable dry-run mode'   'd'
  
    FLAGS "$@" || exit $?
    eval set -- "${FLAGS_ARGV}"

    #bash agent.sh StartVm -c vpc-00000 -s subnet-00000 -v 12 -g 240.0.0.1 -n 240.0.0.0 -e 16 -m i-00000 -p 240.0.1.1
    local local_ip=$(ip a show dev ${FLAGS_interface} | grep 'inet ' | sed -e 's/  */ /g' |cut -d\  -f 3|cut -d\/ -f1)
    local gateway_ip="${FLAGS_gateway_ip}/32"
    local subnet="${FLAGS_network}/${FLAGS_netmask}"
    local vm_ip="${FLAGS_vm_ip}/${FLAGS_netmask}"

    echo "Create vm"
    echo "kvm:"
    echo "  interface name: ${FLAGS_interface}"
    echo "  interface ip: ${local_ip}"
    echo "subnet:"
    echo "  vpc: ${FLAGS_vpc_name}"
    echo "  vxlan: ${FLAGS_vxlan_id}"
    echo "  name: ${FLAGS_subnet_name}"
    echo "  gateway: ${gateway_ip}"
    echo "  network: ${subnet}"
    echo "vm:"
    echo "  name: ${FLAGS_vm_name}"
    echo "  ip: ${vm_ip}"
    echo "  tap: to generate"
}

function main {
    fonction="${1}"
    shift 1

    case "${fonction}" in
    "StartVm")
        start_vm "$@"
        ;;
    *)
        echo "action : ${fonction} not known !"
        ;;
    esac
}

main "$@"