#!/bin/bash
# info: update system ip
# options: [USER] [IP_STATUS]
#
# The function scans configured ip in the system and register them with vesta
# internal database. This call is intended for use on vps servers, where ip is
# set by hypervizor.


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

# Argument definition
user=${1-admin}
ip_status=${2-shared}

# Includes
source /etc/profile.d/vesta.sh
source $VESTA/func/main.sh
source $VESTA/func/ip.sh
source $VESTA/conf/vesta.conf


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

check_args '0' "$#" '[USER] [IP_STATUS]'
is_format_valid 'user' 'ip_status'
is_object_valid 'user' 'USER' "$user" "$user"


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

# Get list of ip addresses
ip_list=$(/sbin/ip addr|grep 'inet '|grep global|awk '{print $2}')
ip_list=$(echo "$ip_list"|cut -f 1 -d /)
ip_num=$(echo "$ip_list" | wc -l)

# WorkAround for DHCP IP address
vst_ip_list=$(ls $VESTA/data/ips/)
vst_ip_num=$(echo "$vst_ip_list" | wc -l)

if [ ! -z "$vst_ip_list" ] && [ "$vst_ip_num" -eq '1' ]; then
    if [ $ip_num -eq 1 ] && [ "$ip_list" != "$vst_ip_list" ]; then
        new=$ip_list
        old=$vst_ip_list
        mv $VESTA/data/ips/$old $VESTA/data/ips/$new
        if [ ! -z "$PROXY_SYSTEM" ]; then
            mv /etc/$PROXY_SYSTEM/conf.d/$old.conf \
                /etc/$PROXY_SYSTEM/conf.d/$new.conf
            sed -i "s/$old/$new/g" /etc/$PROXY_SYSTEM/conf.d/$new.conf
        fi
        if [ ! -z "$WEB_SYSTEM" ]; then
            mv /etc/$WEB_SYSTEM/conf.d/$old.conf \
                /etc/$WEB_SYSTEM/conf.d/$new.conf
            sed -i "s/$old/$new/g" /etc/$WEB_SYSTEM/conf.d/$new.conf
            sed -i "s/$old/$new/g" $VESTA/data/users/*/web.conf

            # Rebuild web domains
            for user in $(ls $VESTA/data/users/); do
                $BIN/v-rebuild-web-domains $user no
            done
        fi

        # Restarting web server
        $BIN/v-restart-web

        # Restarting proxy server
        if [ ! -z "$PROXY_SYSTEM" ]; then
            $BIN/v-restart-proxy
        fi

        # Restarting firewall
        if [ ! -z "$FIREWALL_SYSTEM" ]; then
            $BIN/v-update-firewall
        fi

        if [ ! -z "$DNS_SYSTEM" ]; then
            # Rebuild dns domains
            for user in $(ls $VESTA/data/users/); do
                sed -i "s/$old/$new/g" $VESTA/data/users/$user/dns.conf
                sed -i "s/$old/$new/g" $VESTA/data/users/$user/dns/*.conf
                $BIN/v-rebuild-dns-domains $user no
            done
            $BIN/v-restart-dns
            check_result $? "dns restart failed" >/dev/null
        fi

        # No further comparation is needed
        exit
    fi
fi

# Compare ips
for ip in $ip_list; do
    check_ifconfig=$(/sbin/ifconfig |grep "$ip")
    if [ ! -e "$VESTA/data/ips/$ip" ] && [ ! -z "$check_ifconfig" ]; then
        interface=$(/sbin/ip addr |grep $ip |awk '{print $NF}')
        interface=$(echo "$interface" |cut -f 1 -d : |head -n 1)
        netmask=$(/sbin/ip addr |grep $ip |cut -f 2 -d / |cut -f 1 -d \ )
        netmask=$(convert_cidr $netmask)
        $BIN/v-add-sys-ip $ip $netmask $interface
    fi
done


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

exit