freebsd-ports/sysutils/heartbeat2/files/pkg-install.in

#! /bin/sh

base=%%PREFIX%%

ask() {
    local question default answer

    question=$1
    default=$2
    if [ -z "${PACKAGE_BUILDING}" ]; then
	read -p "${question} [${default}]? " answer
    fi
    if [ x${answer} = x ]; then
	answer=${default}
    fi
    echo ${answer}
}

yesno() {
    local dflt question answer

    question=$1
    dflt=$2
    while :; do
	answer=$(ask "${question}" "${dflt}")
	case "${answer}" in
	[Yy]*)		return 0;;
	[Nn]*)		return 1;;
	esac
	echo "Please answer yes or no."
    done
}

make_account() {
    local u g gcos homeopt home

    u=$1
    g=$2
    gcos=$3
    homeopt=${4:+"-d $4"}

    if pw group show "${g}" >/dev/null 2>&1; then
	echo "You already have a group \"${g}\", so I will use it."
    else
	echo "You need a group \"${g}\"."
	if which -s pw && yesno "Would you like me to create it" y; then
	    pw groupadd ${g} || exit
	    echo "Done."
	else
	    echo "Please create it, and try again."
	    if ! grep -q "^${u}:" /etc/passwd; then
		echo "While you're at it, please create a user \"${u}\" too,"
		echo "with a default group of \"${g}\"."
	    fi
	    exit 1
	fi
    fi
    
    if pw user show "${u}" >/dev/null 2>&1; then
	echo "You already have a user \"${u}\", so I will use it."
    else
	echo "You need a user \"${u}\"."
	if which -s pw && yesno "Would you like me to create it" y; then
	    pw useradd ${u} -g ${g} -h - ${homeopt} \
		-s /nonexistent -c "${gcos}" || exit
	    echo "Done."
	else
	    echo "Please create it, and try again."
	    exit 1
	fi
    fi

    if [ x"$homeopt" = x ]; then
	eval home=~${u}
	if [ ! -d "${home}" ]; then
	    if yesno \
		"Would you like me to create ${u}'s home directory (${home})" y
	    then
		mkdir -p ${home} || exit
		chown -R ${u}:${g} ${home} || exit
		chmod -R go= ${home} || exit
	    else
		echo "Please create it, and try again."
		exit 1
	    fi
	fi
    fi
}

delete_account() {
    local u g home

    u=$1
    g=$2
    if yesno "Do you want me to remove group \"${g}\"" y; then
        pw groupdel -n ${g}
        echo "Done."
    fi
    if yesno "Do you want me to remove user \"${u}\"" y; then
        eval home=~${u}
        pw userdel -n ${u}
        echo "Done."
        if [ -d "${home}" ]; then
            echo "Please remember to remove the home directory \"${home}\" as"
            echo "well as the mirrored files."
        fi
    fi
}

case $2 in

POST-INSTALL)
    if which -s pw && which -s lockf; then
	:
    else
	cat <<EOF

This system looks like a pre-2.2 version of FreeBSD.  I see that it
is missing the "lockf" and/or "pw" utilities.  I need these utilities.
Please get them and install them, and try again.  You can get the
sources from:

  ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/usr.bin/lockf.tar.gz
  ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/usr.sbin/pw.tar.gz

EOF
	exit 1
    fi

    echo ""
    user=hacluster
    group=haclient
    make_account ${user} ${group} "${user} ${group}" "/nonexistent"

    echo "Adding empty dirs and pid file."
    test -d /var/lib/heartbeat/ckpt || \
            install -d -m 755 /var/lib/heartbeat/ckpt
    test -d /var/lib/heartbeat/ccm || \
            install -d -m 755 /var/lib/heartbeat/ccm
    test -d /var/lock/subsys || \
            install -d -m 755 /var/lock/subsys
    test -d ${base}/etc/ha.d/conf || \
            install -d -m 755 ${base}/etc/ha.d/conf
    test -f /var/run/heartbeat.pid || \
            install -m 644 -o ${user} -g ${group} /dev/null \
                /var/run/heartbeat.pid
    ;;

DEINSTALL)
    if ps -axc | grep -q heartbeat; then
        if yesno "There are some heartbeat processes running.  Shall I kill them" y
        then
            killall heartbeat
            sleep 2
        else
            echo "OK ... I hope you know what you are doing."
        fi
    fi

    delete_account hacluster haclient

    echo "Removing runtime files"
    if [ -d /var/lib/heartbeat ]; then
        rm -r /var/lib/heartbeat
    fi
    if [ -f /var/lock/subsys/heartbeat ]; then
        rm /var/lock/subsys/heartbeat
    fi
    if [ -f /var/run/heartbeat.pid ]; then
        rm /var/run/heartbeat.pid
    fi
    ;;

esac