#!/bin/bash

install_package "lxc" "lxc-templates" "lxc-devel" "debootstrap"

(
    $starting_group "Download centos system used by containers"
    [[ "${vm_name}" != "base" ]] || {
        release_ver=$(run_cmd "rpm -q --queryformat '%{VERSION}' centos-release")
        run_cmd "[ -d /var/cache/lxc/centos/x86_64/${release_ver}/rootfs ]"
    }
    $skip_group_if_unnecessary
    (
            $starting_step "Create a centos container"
            run_cmd "lxc-info -n init" &> /dev/null
            [[ $? == 0 ]]
            $skip_step_if_already_done; set -xe
            run_cmd "lxc-create -n init -t centos"
    ) ; prev_cmd_failed

    (
        $starting_step "Delete test container"
        run_cmd "lxc-info -n init" &> /dev/null
        [[ $? == 1 ]]
        $skip_step_if_already_done; set -xe
        run_cmd "lxc-destroy -n init"
    ) ; prev_cmd_failed
) ; prev_cmd_failed

[[ -z ${#containers[@]} ]] || {
    for c in ${containers[@]} ; do
        (
            $starting_step "Create container: $c"
            run_cmd "lxc-info -n $c" &> /dev/null
            [[ $? == 0 ]]
            $skip_step_if_already_done; set -ex
            run_cmd "lxc-create -n $c -t centos"
            create_config ${c}
            install_ssh ${c}
        ) ; prev_cmd_failed

        for package in nc net-tools tcpdump bind-utils ; do
            (
                $starting_step "Install ${package}"
                false
                $skip_step_if_already_done; set -ex
                run_cmd "chroot /var/lib/lxc/${c}/rootfs/ /bin/bash -c \"yum install -y ${package}\""
            ) ; prev_cmd_failed
        done
    done
}

