How to check different JAVA installed in target machine using Ansible Playbook?

Question

I am trying to write a ansible playbook and these are the overview.

1. Java - Open JDK Installed java -version
2. Java - Oracle JDK Installed java --fullversion
3. Java - Not installed.

I need to determine what target machine has what Java installed or NOT installed.

That's Pretty much everything.

This is what i wrote but this once only gives me java version. Thank you for your help.

- hosts: localhost
  gather_facts: False

  tasks:
   - name: Fetch Java version
     shell: java -version 2>&1 | grep version | awk '{print $3}' | sed 's/"//g'                                                                                                                                   
     changed_when: False
     register: java_result

   - debug:
       msg: "{{ java_result.stdout }}"```

Answer 1

When you have no Java, your shell will fail. You can check this.

- hosts: localhost
  gather_facts: False

  tasks:
   - name: Fetch Java version
     shell: java -version 2>&1 | grep version | awk '{print $3}' | sed 's/"//g'                                                                                                                                   
     changed_when: False
     register: java_result
     failed_when: false

   - debug: msg=No Java or something failed.
     when: java_result.rc!=0

   - debug:
       msg: "{{ java_result.stdout }}"```
     when: java_result.rc==0