Install Java using its source :: Ansible

[luke.d...@gmail.com]

Hi 

I want to install java using its source (tar.gz) for number of redhat servers . Can you please give me a little guide ? How can I use ansible for this task and what are the command list ?

For example : I have 10 no.of redhat 7.2 servers and I want to install   jdk-9.0.1_linux-x64_bin.tar.gz for all those servers and same time i wanna setup the java class path too.

Thank you

Luke

[Dick Visser]

You could write up everything from scratch. But since this is a common requirement many people have already done that.

I would just use one of those roles, for instance https://github.com/frieder/ansible-role-oraclejdk/blob/master/README.md.

Dick

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[Soniya panwar]

Hello,

>> I have 10 no.of redhat 7.2 servers and I want to install   jdk-9.0.1_linux-x64_bin.tar.gz for all those servers and same time i wanna setup the java class path too.

you can achieve this task by following these options:

1) First of all you have to do the entry of your 10 redhat server in "/etc/ansible/hosts" file.

e.g;

[ RedhatServer ]

RedhatServer1

RedhatServer2

. . .

. . .

RedhatServer10

2) make above servers passwordless by using Openssh

eg;

step1: generate ssh key on your machine 

$ ssh-keygen

Step2: Copy your public key to the servers with ssh-copy-id:

$ ssh-copy-id -i ~/.ssh/id_rsa.pub "name@RedhatServer1"

3) use below playbook to deploy Java on all the given machines using source ( tar.gz):

• It will first download Java by using get_url module in /java folder (you can give your own folder name here).
  
• Then it will extract the java tar file by using unarchive module within the java folder.
  
• After extracting it will set the classpath to java.
  

---

- hosts: RedhatServer

  tasks:

  - name: Download Java

    get_url:

      url: http://download.oracle.com/otn-pub/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz

      dest: /java

      headers: Cookie: oraclelicense=accept-securebackup-cookie

     

 - name: Extract jdk-9.0.1_linux-x64_bin.tar.gz into /java

   unarchive:

    src: /java/jdk-9.0.1_linux-x64_bin.tar.gz

    dest: /java

  - name: setup the java class path

    command: export CLASSPATH="your classpath"

Thanks 

Soniya

[Soniya panwar]

Hello,

Above provided playbook will set the Classpath temporaily. 

If you wish to make the entry persistent, you will have to use below task  in place of  "setup the java class path" task:

  - name: setup the java Classpath permanently 

    lineinfile:

     path: ~/.bashrc

     line: 'export CLASSPATH="/java":"/java":"${CLASSPATH}"' 

Thanks 

Soniya

[luke.d...@gmail.com]

Thank you all , All your guides are helpful and I was able to achieve my requirement.

Regards

Luke.