Play to deploy nexus

deploy-nexus.yml

---
#Deploy Nexus

- name: Install java and net-tools
  hosts: nexus
  tasks:
    - name: Update yum repo and cache
      yum: update_cache=yes name=* state=latest lock_timeout=3600
    - name: Install Java 8
      yum: 
        name: java-1.8.0
        state: latest
- name: Download and unpack Nexus
  hosts: nexus
  tasks:
    - name: Check nexus folder stats
      stat:
        path: /opt/nexus
      register: stat_result
    - name: Download Nexus
      get_url:
        url: https://download.sonatype.com/nexus/3/latest-unix.tar.gz
        dest: /opt/
      register: download_result
    - name: Unarchive nexus installer
      unarchive:
        src: "{{ download_result.dest }}"
        dest: /opt/
        remote_src: yes
      when: not stat_result.stat.exists
    - name: Find nexus folder
      find: 
        paths: /opt
        pattern: "nexus-*"
        file_type: directory
      register: find_result
    - name: Rename nexus folder
      shell: mv {{ find_result.files[0].path}} /opt/nexus
      when: not stat_result.stat.exists
- name: Create nexus user to own nexus folders
  hosts: nexus
  tasks: 
    - name: Ensure group nexus exists
      group:
        name: nexus
        state: present
    - name: Create nexus user
      user:
        name: nexus
        group: nexus
    - name: Make nexus user owner of the nexus folder 
      file:
        path: /opt/nexus
        state: directory
        owner: nexus
        group: nexus 
        recurse: yes
    - name: Make nexus user owner of the sonatype-work folder 
      file:
        path: /opt/sonatype-work
        state: directory
        owner: nexus
        group: nexus 
        recurse: yes
- name: Start nexus with nexus user
  hosts: nexus
  become: True
  become_user: nexus
  tags: nexus 
  tasks:
    - name: Set run_as_user nexus 
      lineinfile:
        path: /opt/nexus/bin/nexus.rc
        regexp: '^#run_as_user=""'
        line: run_as_user="nexus"
    - name: Check with nexus with ps
      shell: ps aux | grep "nexus" | grep "java" | grep -v grep
      register: nexus_status
      ignore_errors: true
    - name: Start nexus service 
      command: /opt/nexus/bin/nexus start
      when: not nexus_status.stdout_lines

- name: Verify nexus is running
  hosts: nexus
  tasks:
    - name: Verify nexus with ps
      shell: ps aux | grep "nexus" | grep "java" | grep -v grep
      register: nexus_status
    - debug: msg={{nexus_status}}
    - name: Wait one minute 
      pause: 
        minutes: 1
    - name: Verify with netstat
      shell: netstat -plnt
      register: app_status
    - debug: msg={{app_status}}