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#!/bin/bash
#
# Script to manage the various Gluster systemd services
#
#
# ** DO NOT INCLUDE /etc/rc.d/init.d/functions  **
# ** This will break all automation because of systemctl redirect **
#

. /etc/rc.d/init.d/glusterd.functions

PATH="$PATH:/usr/local/bin:/usr/bin:/bin:/usr/sbin"

# BEGIN functions copied out of /etc/rc.d/init.d/functions
if [ -z "${BOOTUP:-}" ]; then
    if [ -f /etc/sysconfig/init ]; then
        . /etc/sysconfig/init
    else
        # This all seem confusing? Look in /etc/sysconfig/init,
        # or in /usr/share/doc/initscripts-*/sysconfig.txt
        BOOTUP=color
        RES_COL=60
        MOVE_TO_COL="echo -en \\033[${RES_COL}G"
        SETCOLOR_SUCCESS="echo -en \\033[1;32m"
        SETCOLOR_FAILURE="echo -en \\033[1;31m"
        SETCOLOR_WARNING="echo -en \\033[1;33m"
        SETCOLOR_NORMAL="echo -en \\033[0;39m"
        LOGLEVEL=1
    fi
    if [ "$CONSOLETYPE" = "serial" ]; then
        BOOTUP=serial
        MOVE_TO_COL=
        SETCOLOR_SUCCESS=
        SETCOLOR_FAILURE=
        SETCOLOR_WARNING=
        SETCOLOR_NORMAL=
    fi
fi

success() {
    [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_success
    return 0
}

# Log that something failed
failure() {
    local rc=$?
    [ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_failure
    [ -x /bin/plymouth ] && /bin/plymouth --details
    return $rc
}


# Run some action. Log its output.
action() {
    local STRING rc

    STRING=$1
    echo -n "$STRING "
    shift
    "$@" && success $"$STRING" || failure $"$STRING"
    rc=$?
    echo
    return $rc
}

echo_success() {
    [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
    echo -n "["
    [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
    echo -n $"  OK  "
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
    echo -n "]"
    echo -ne "\r"
    return 0
}

echo_failure() {
    [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
    echo -n "["
    [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
    echo -n $"FAILED"
    [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
    echo -n "]"
    echo -ne "\r"
    return 1
}
# END copy from /etc/rc.d/init.d/functions

_start_service()
{
    _service=$1
    _desc=$2
    [ -z "$_desc" ] && _desc=$_service
    action "Starting $_desc..." /bin/systemctl start "$_service"
}

_stop_service()
{
    _service=$1
    _desc=$2
    [ -z "$_desc" ] && _desc=$_service
    action "Stopping $_desc..." /bin/systemctl stop "$_service"
}

# SHD Management Functions
start_shd()
{
    _start_service glusterd-shd "self-heal daemon"
}

stop_shd()
{
    _stop_service glusterd-shd "self-heal daemon"
}

restart_shd()
{
    stop_shd
    start_shd
}

# NFSd Management Functions
start_nfsd()
{
    _start_service glusterd-nfsd "nfs daemon"
}

stop_nfsd()
{
    _stop_service glusterd-nfsd "nfs daemon"
}

restart_nfsd()
{
    stop_nfsd
    start_nfsd
}

# GFProxyd Management Functions
start_gfproxyd()
{
    _start_service glusterd-gfproxyd "gfproxy daemon"
}

stop_gfproxyd()
{
    _stop_service glusterd-gfproxyd "gfproxy daemon"
}

restart_gfproxyd()
{
    stop_gfproxyd
    start_gfproxyd
}

# mgmt daemon Management Functions
start_mgmt()
{
  _start_service glusterd-mgmt "mgmt daemon"
}

stop_mgmt()
{
  _stop_service glusterd-mgmt "mgmt daemon"
  pkill -f '^/usr/sbin/glusterd.*'
}

restart_mgmt()
{
  stop_mgmt
  start_mgmt
}

start()
{
    start_mgmt
    start_nfsd
    start_shd
    #start_gfproxyd
}

stop()
{
    stop_mgmt
    stop_nfsd
    stop_shd
    #stop_gfproxyd
    # Stop the bricks, since they are not managed by systemd
    pkill -f '^/usr/sbin/glusterfsd.*'
}

restart()
{
    stop
    start
}

case $1 in 
  start) start ;;
  start_nfsd) start_nfsd ;;
  start_shd) start_shd ;;
  stop) stop ;;
  stop_nfsd)  stop_nfsd ;;
  stop_shd) stop_shd ;; 
  #stop_gfproxyd) stop_gfproxyd ;;
  restart) restart;;
  restart_nfsd) restart_nfsd ;;
  restart_shd) restart_shd ;;
  #restart_gfproxyd) restart_gfproxyd ;;
  checkquorum) check_quorum ;;
esac

exit 0