#!/bin/bash
function read_variable() {
    readonly home_path="/usr/local/zabbix-7.0.1"
}

function build_variable() {
    read_variable
    readonly pid_file=${home_path}/zabbix_agentd.pid
    readonly log_file=${home_path}/zabbix_agentd.log
    readonly conf_path=${home_path}/etc/zabbix_agentd.conf
    readonly sbin_path=${home_path}/sbin/zabbix_agentd
    [ ! -d $home_path ] && echo "path not found" && exit
    [ ! -f $conf_path ] && echo "conf not found" && exit
    [ ! -f $sbin_path ] && echo "sbin not found" && exit
    cd $home_path
}

function edit_server() {
   build_variable
   vim $conf_path
}

function start_server() {
    build_variable
    echo "" >$log_file
    $sbin_path -c $conf_path
    tail -f $log_file
}

function stop_server() {
    build_variable
    echo $pid_file
    [ ! -f $pid_file ] && echo "pid not found" && exit
    cat $pid_file | xargs kill
}

function restart_server() {
    stop_server 
    start_server 2> /dev/null
}

case $1 in
"start")
    start_server
    ;;
"stop")
    stop_server
    ;;
"restart")
    restart_server
    ;;
"edit")
    edit_server
    ;;
*)
    echo "start|stop|restart"
    ;;
esac