cassandra.yml

---
- hosts: artemis:ares:maia
  gather_facts: no
  become: yes
  vars:
    weave_env:
        DOCKER_HOST: unix:///var/run/weave/weave.sock
  tasks:
    #- name: cassa_dirs
    #  file: path=/srv/cassandra/{{ item }} recurse=yes state=directory mode=0755
    #  with_items:
    #    - conf
    #    - commitlog
    #    - data  
    
    - name: stop cassandra
      environment: "{{weave_env}}"     
      docker:
         name: cassandra_{{ inventory_hostname }}
         registry: registry.o-labs.ru
         image: cassandra
         state: stopped
    - shell: docker rename cassandra_{{ inventory_hostname }} c_o
  
    - name: cassandra_docker
      environment: "{{weave_env}}"
      docker:
         name: cassandra_{{ inventory_hostname }}
         registry: registry.o-labs.ru
         image: cassandra
         state: present
         pull: always
         volumes_from:
            - c_o
#         volumes:
#            - "/srv/cassandra/commitlog:/var/lib/cassandra/commitlog"
#            - "/srv/cassandra/data:/var/lib/cassandra/data"
         ports:
           - "9042:9042"
         restart_policy: always
         restart_policy_retry: 5
         cpu_set: 1-21
         memory_limit: 61440MB      
    - copy: src=/etc/ansible/roles/selectel/cassandra/cassandra.yaml dest=/srv/cassandra/conf/cassandra.yaml owner=root group=root mode=0644
    - copy: src=/etc/ansible/roles/selectel/cassandra/cassandra-env.sh dest=/srv/cassandra/conf/cassandra-env.sh owner=root group=root mode=0644
    - shell: docker cp /srv/cassandra/conf/cassandra.yaml cassandra_{{ inventory_hostname }}:/etc/cassandra/
    - shell: docker cp /srv/cassandra/conf/cassandra-env.sh cassandra_{{ inventory_hostname }}:/etc/cassandra/
    - name: commit cassandra
      environment: "{{ weave_env }}"
      shell: docker commit cassandra_{{ inventory_hostname }}
    - name: start cassandra
      environment: "{{ weave_env }}"
      shell: docker start cassandra_{{ inventory_hostname }}
    - name: resolver
      shell: docker exec cassandra_{{ inventory_hostname }} bash -c "echo 'nameserver 8.8.8.8' >> /etc/resolv.conf"
    - name: remove c_o
      environment: "{{weave_env}}"
      docker:
        name: c_o
        registry: registry.o-labs.ru
        image: cassandra
        state: absent