#!/bin/bash

if [ ! -e /etc/centos-release ]; then
    echo Currenly we support only CentOS 6.8+ x64 - exiting...
    exit 1
fi

release=`rpm --query centos-release `
if [ "foo`echo $release | grep -e '^centos-release-6-.*x86_64\$'`" != "foo" ] && [ `echo $release | cut -d '.' -f 1 | cut -d '-' -f 4` -ge 8 ]; then
    echo We are at `cat /etc/centos-release` x64 - continue...
else
    echo Currenly we support only CentOS 6.8+ x64 - exiting...
    exit 1
fi

if [ -e /etc/asterisk/ ]; then 
    echo "Asterisk is already installed - cannot continue - exiting..."
    exit 1
fi

yum -y install yum-utils tar wget gzip nano
rpm -ivh http://mirror-us.thirdlane.com/channels/testing/centos/6/x86_64/thirdlane-release-0.0.1-3.el6.noarch.rpm

cat >> /etc/yum.repos.d/thirdlane.repo <<-EOF

[thirdlane-nightly]
name=thirdlane.com - Nightly
baseurl=http://mirror-us.thirdlane.com/thirdlane-nightly-6/
gpgcheck=0
enabled = 1
EOF

yum-config-manager --enable thirdlane-testing  >/dev/null 2>&1
yum-config-manager --disable thirdlane-nightly  >/dev/null 2>&1

HOME=/var/thirdlane_load/
LIB=http://lib.thirdlane.com/download/
FILE=pbxm-install.tar.gz

mkdir -p $HOME
cd $HOME

wget $LIB/getpbx/$FILE
tar zxf $FILE >/dev/null 2>&1

req=`expr 4 \* 1024 \* 1024` # 4Gb
mem=`free | grep Mem: | awk '{print $2}'`
swp=`free | grep Swap: | awk '{print $2}'`
tot=`expr ${mem} + ${swp}`
add=`expr ${req} - ${tot}`

echo MEM=${mem} SWAP=${swp} TOTAL=${tot} NEED=${add}

if [ ${add} -gt 0 ]; then
add=`expr ${add} + 20`  # add 20K
echo Create extra swap of ${add} Kbytes...
dd if=/dev/zero of=/swapfile bs=1024 count=${add}
mkswap /swapfile ${add} -f
swapon /swapfile
echo "/swapfile swap swap defaults 0 0" >>/etc/fstab
fi

yum -y install epel-release
echo Disable EPEL repo to avoid conflicts...
yum-config-manager --disable epel >/dev/null 2>&1

PBXTYPE=ast13st

echo Install Thirdlane PBX Manager software
bash install_parts.sh ${PBXTYPE} 2>&1 | tee /root/thirdlane_install.log