restore-nexus-backup.yml

---
- hosts: nexus
  connection: paramiko
  become: True
  
  vars:
    nexus_data_bucket: rasterfoundry-development-data-us-east-1
    service_definition:
      version: "3"
      services:
        nexus-nginx:
          image: nginx:1.14
          networks:
            - nexus
          ports:
            - 80:80
          volumes:
            - "{{ service_home }}/nginx/nexus.conf:/etc/nginx/conf.d/default.conf"
          restart: on-failure
          logging:
            driver: syslog
            options:
              tag: nexus-nginx
        nexus-server:
          image: sonatype/nexus3:3.13.0
          networks:
            - nexus
          volumes:
            - /var/cache/nexus:/nexus-data
          restart: on-failure
          logging:
            driver: syslog
            options:
              tag: nexus-server
      networks:
        nexus:

  pre_tasks:
    - name: Update APT cache
      apt: update_cache=yes cache_valid_time=3600
      
  tasks:
    - name: Install Ansible aws_s3 module dependencies
      pip:
        name: "{{ item }}"
        state: latest
      with_items:
        - boto
        - boto3
        - botocore

    - name: Download nexus-data backup from S3
      aws_s3: bucket="{{ nexus_data_bucket }}" object="nexus-data-backup.tar.gz"
              mode=get dest=/tmp/nexus-data-backup.tar.gz
              profile=default overwrite=different
      become_user: azavea
      register: nexus_data_updated

    - name: Stop Nexus
      docker_service: project_name=nexus 
                      definition="{{ service_definition }}" 
                      state=absent

    - name: Unpack nexus-data backup
      unarchive: src=/tmp/nexus-data-backup.tar.gz dest=/
                 remote_src=yes
      when: nexus_data_updated.changed
      notify:
        - Restart Nexus

    - name: Start Nexus
      docker_service: project_name=nexus 
                      definition="{{ service_definition }}" 
                      state=present

    - name: Remove Ansible aws_s3 module dependencies
      pip:
        name: "{{ item }}"
        state: absent
      with_items:
        - boto
        - boto3
        - botocore