functions

#!/usr/bin/env bash

log() {
    echo "$(date +"[%Y-%m-%d %T,%3N]") <docker-entrypoint> $*"
}

set_java_home() {
    JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:/jre/bin/java::")
    if [ ! -d "${JAVA_HOME}" ]; then
        # For some reason readlink failed so lets just make some assumptions instead
        # We're assuming openjdk 8 since thats what we install in Dockerfile
        arch=`dpkg --print-architecture 2>/dev/null`
        JAVA_HOME=/usr/lib/jvm/java-8-openjdk-${arch}
    fi
}

instPkg() {
    for pkg in $*; do
        if [ $(dpkg-query -W -f='${Status}' "${pkg}" 2>/dev/null | grep -c "ok installed") -eq 0 ];
        then
            apt-get -qy install "${pkg}";
        fi
    done
}