Ansible playbook for rolling elasticsearch cluster upgrade

upgrade-elasticsearch.yml

- name: upgrade elasticsearch
  hosts: elastic
  serial: 1
  tasks:
  
  - name: stop elasticsearch
    service: name=elasticsearch state=stopped
    
  - name: remove elasticsearch plugins
    command: /usr/share/elasticsearch/bin/elasticsearch-plugin remove x-pack

  - name: upgrade elasticsearch
    apt: name=elasticsearch state=latest

  - name: install elasticsearch plugins
    command: /usr/share/elasticsearch/bin/elasticsearch-plugin install -b x-pack
    
  - name: restart elasticsearch
    service: name=elasticsearch state=restarted
    
  - name: wait for green cluster state
    shell: "while curl -s {{elasticsearch_url}}/_cat/health | grep -v green; do sleep 1; done"