#!/bin/bash

# Read configuration files
NEXUS_REPO=$(cat /opt/config/nexus_repo.txt)
ARTIFACTS_VERSION=$(cat /opt/config/artifacts_version.txt)
DNS_IP_ADDR=$(cat /opt/config/dns_ip_addr.txt)
CLOUD_ENV=$(cat /opt/config/cloud_env.txt)
GERRIT_BRANCH=$(cat /opt/config/gerrit_branch.txt)

# Add host name to /etc/host to avoid warnings in openstack images
if [[ $CLOUD_ENV != "rackspace" ]]
then
	echo 127.0.0.1 $(hostname) >> /etc/hosts
fi

# Set private IP in /etc/network/interfaces manually in the presence of public interface
# Some VM images don't add the private interface automatically, we have to do it during the component installation
if [[ $CLOUD_ENV == "openstack_nofloat" ]]
then
	LOCAL_IP=$(cat /opt/config/local_ip_addr.txt)
	CIDR=$(cat /opt/config/oam_network_cidr.txt)
	BITMASK=$(echo $CIDR | cut -d"/" -f2)

	# Compute the netmask based on the network cidr
	if [[ $BITMASK == "8" ]]
	then
		NETMASK=255.0.0.0
	elif [[ $BITMASK == "16" ]]
	then
		NETMASK=255.255.0.0
	elif [[ $BITMASK == "24" ]]
	then
		NETMASK=255.255.255.0
	fi

	echo "auto eth1" >> /etc/network/interfaces
	echo "iface eth1 inet static" >> /etc/network/interfaces
	echo "    address $LOCAL_IP" >> /etc/network/interfaces
	echo "    netmask $NETMASK" >> /etc/network/interfaces
	ifup eth1
fi

# Download dependencies
add-apt-repository -y ppa:openjdk-r/ppa
apt-get update
apt-get install -y apt-transport-https ca-certificates wget openjdk-8-jdk git ntp ntpdate

# Download scripts from Nexus
curl -k $NEXUS_REPO/org.openecomp.demo/boot/$ARTIFACTS_VERSION/policy_vm_init.sh -o /opt/policy_vm_init.sh
curl -k $NEXUS_REPO/org.openecomp.demo/boot/$ARTIFACTS_VERSION/policy_serv.sh -o /opt/policy_serv.sh
chmod +x /opt/policy_vm_init.sh
chmod +x /opt/policy_serv.sh
mv /opt/policy_serv.sh /etc/init.d
update-rc.d policy_serv.sh defaults

# Download and install docker-engine and docker-compose
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" | sudo tee /etc/apt/sources.list.d/docker.list
apt-get update
apt-get install -y linux-image-extra-$(uname -r) linux-image-extra-virtual
apt-get install -y --allow-unauthenticated docker-engine

mkdir /opt/docker
curl -L https://github.com/docker/compose/releases/download/1.9.0/docker-compose-`uname -s`-`uname -m` > /opt/docker/docker-compose
chmod +x /opt/docker/docker-compose

# DNS IP address configuration
echo "nameserver "$DNS_IP_ADDR >> /etc/resolvconf/resolv.conf.d/head
resolvconf -u

# Clone Gerrit repository and run docker containers
cd /opt
git clone -b $GERRIT_BRANCH --single-branch http://gerrit.onap.org/r/policy/docker.git policy
./policy_vm_init.sh