#!/bin/bash
# info: change hostname
# options: HOSTNAME
#
# The function for changing system hostname.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument definition
domain=$1

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '1' "$#" 'HOSTNAME'
is_format_valid 'domain'


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

hostname $domain

# RHEL/CentOS
if [ -e "/etc/redhat-release" ]; then
    touch /etc/sysconfig/network
    if [ -z "$(grep HOSTNAME /etc/sysconfig/network)" ]; then
        echo "HOSTNAME='$domain'" >> /etc/sysconfig/network
    else
        sed -i "s/HOSTNAME=.*/HOSTNAME='$domain'/" /etc/sysconfig/network
    fi
fi

# Debian/Ubuntu
if [ ! -e "/etc/redhat-release" ]; then
    echo "$domain" > /etc/hostname
fi


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Logging
log_event "$OK" "$ARGUMENTS"

exit