EC2 Hadoop Build Environment Login Greeting

.bash_profile

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

#export JAVA_HOME=/etc/alternatives/java_sdk_1.7.0_openjdk
export JAVA_HOME=/etc/alternatives/java_sdk_1.8.0_openjdk
export MAVEN_HOME=~/apache-maven-3.3.9
PATH=$PATH:$HOME/.local/bin:$HOME/bin:$JAVA_HOME/bin:$MAVEN_HOME/bin

export PATH
echo "
EC2 Hadoop Build Environment

== HOST ===================================================================
   - Hostname........: $HOSTNAME
   - User............: $USER
== EC2 ====================================================================
   - Instance ID.....: $(curl http://169.254.169.254/latest/meta-data/instance-id 2>/dev/null)
   - Instance Type...: $(curl http://169.254.169.254/latest/meta-data/instance-type 2>/dev/null)
   - Public Hostname.: $(curl http://169.254.169.254/latest/meta-data/public-hostname 2>/dev/null)
   - Public IP.......: $(curl http://169.254.169.254/latest/meta-data/public-ipv4 2>/dev/null)
   - Local Hostname..: $(curl http://169.254.169.254/latest/meta-data/local-hostname 2>/dev/null)
   - Local IP........: $(curl http://169.254.169.254/latest/meta-data/local-ipv4 2>/dev/null)
== SOFTWARE ===============================================================
   - OS..............: $(cat /etc/redhat-release)
   - Java............: $(java -version 2>&1 | head -1)
   - Maven...........: $(mvn -version | head -1 | cut -d' ' -f1-3)
   - Protoc..........: $(protoc --version)
   - CMake...........: $(cmake -version)
   - GCC.............: $(gcc --version | head -1)
===========================================================================
"