#!/bin/bash

VPP_SOURCE_REPO_URL=$(cat /opt/config/vpp_source_repo_url.txt)
VPP_SOURCE_REPO_RELEASE_TAG=$(cat /opt/config/vpp_source_repo_release_tag.txt)
VPP_PATCH_URL=$(cat /opt/config/vpp_patch_url.txt)
HC2VPP_SOURCE_REPO_URL=$(cat /opt/config/hc2vpp_source_repo_url.txt)
HC2VPP_SOURCE_REPO_RELEASE_TAG=$(cat /opt/config/hc2vpp_source_repo_release_tag.txt)
CLOUD_ENV=$(cat /opt/config/cloud_env.txt)
ERROR_MESSAGE='Execution of vBRG build script failed.'

# Convert Network CIDR to Netmask
cdr2mask () {
        # Number of args to shift, 255..255, first non-255 byte, zeroes
        set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
        [ $1 -gt 1 ] && shift $1 || shift
        echo ${1-0}.${2-0}.${3-0}.${4-0}
}

# Download required dependencies
    echo "deb http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
    echo "deb-src http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
    apt-get update
    apt-get install --allow-unauthenticated -y wget openjdk-8-jdk apt-transport-https ca-certificates g++ libcurl4-gnutls-dev
    sleep 1

# Install the tools required for download codes
    apt-get install -y expect git patch make linux-image-extra-`uname -r`
# Download and build the VPP codes
    cd /opt
    git clone ${VPP_SOURCE_REPO_URL} -b ${VPP_SOURCE_REPO_RELEASE_TAG} vpp
    wget -O VPP-Add-Option82-Nat-Filter-For-vBRG.patch ${VPP_PATCH_URL}

    cd vpp
    patch -p1 < ../VPP-Add-Option82-Nat-Filter-For-vBRG.patch
    yes y | make install-dep

# Check vpp build status
    if [[ $? -ne 0 ]]
    then
        echo $ERROR_MESSAGE 'Reason: VPP build failed' > /opt/script_status.txt
        exit
    fi

    cd build-root
    ./bootstrap.sh
    make V=0 PLATFORM=vpp TAG=vpp install-deb

# Check vpp/build-root build status
    if [[ $? -ne 0 ]]
    then
        echo $ERROR_MESSAGE 'Reason: vpp/build-root build failed' > /opt/script_status.txt
        exit
    fi

# Install the VPP package
    dpkg -i *.deb

# Check vpp package installation status
    if [[ $? -ne 0 ]]
    then
        echo $ERROR_MESSAGE 'Reason: VPP package installation failed' > /opt/script_status.txt
        exit
    fi

    systemctl stop vpp

# Download and install HC2VPP from source
    cd /opt
    git clone ${HC2VPP_SOURCE_REPO_URL} -b ${HC2VPP_SOURCE_REPO_RELEASE_TAG} hc2vpp

    apt-get -f -y install
    apt-get install -y maven
    mkdir -p /root/.m2
    cat > ~/.m2/settings.xml << EOF
<?xml version="1.0" encoding="UTF-8"?>
<!-- vi: set et smarttab sw=2 tabstop=2: -->
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">

  <profiles>
    <profile>
   <id>fd.io-release</id>
      <repositories>
        <repository>
          <id>fd.io-mirror</id>
          <name>fd.io-mirror</name>
          <url>https://nexus.fd.io/content/groups/public/</url>
          <releases>
            <enabled>true</enabled>
            <updatePolicy>never</updatePolicy>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>fd.io-mirror</id>
          <name>fd.io-mirror</name>
          <url>https://nexus.fd.io/content/repositories/public/</url>
          <releases>
            <enabled>true</enabled>
            <updatePolicy>never</updatePolicy>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>

    <profile>
      <id>fd.io-snapshots</id>
      <repositories>
        <repository>
          <id>fd.io-snapshot</id>
          <name>fd.io-snapshot</name>
          <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
            <id>fd.io-snapshot</id>
          <name>fd.io-snapshot</name>
          <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>
    <profile>
      <id>opendaylight-snapshots</id>
      <repositories>
        <repository>
          <id>opendaylight-snapshot</id>
          <name>opendaylight-snapshot</name>
          <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>opendaylight-shapshot</id>
          <name>opendaylight-snapshot</name>
          <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>

  <activeProfiles>
    <activeProfile>fd.io-release</activeProfile>
    <activeProfile>fd.io-snapshots</activeProfile>
    <activeProfile>opendaylight-snapshots</activeProfile>
  </activeProfiles>
</settings>
EOF

    cd hc2vpp
    mvn clean install

# Check hc2vpp build status
    if [[ $? -ne 0 ]]
    then
        echo $ERROR_MESSAGE 'Reason: hc2vpp build failed' > /opt/script_status.txt
        exit
    fi

    l_version=$(cat pom.xml | grep "<version>" | head -1)
    l_version=$(echo "${l_version%<*}")
    l_version=$(echo "${l_version#*>}")
    mv vpp-integration/minimal-distribution/target/vpp-integration-distribution-${l_version}-hc/vpp-integration-distribution-${l_version} /opt/honeycomb
    sed -i 's/127.0.0.1/0.0.0.0/g' /opt/honeycomb/config/honeycomb.json

# Disable automatic upgrades
    if [[ $CLOUD_ENV != "rackspace" ]]
    then
        echo "APT::Periodic::Unattended-Upgrade \"0\";" >> /etc/apt/apt.conf.d/10periodic
        sed -i 's/\(APT::Periodic::Unattended-Upgrade\) "1"/\1 "0"/' /etc/apt/apt.conf.d/20auto-upgrades
    fi

# Indicate script has finished executing
    echo 'Execution of vBRG build script completed' > /opt/script_status.txt