roles/juju-setup/tasks/main.yml

---
# roles/juju-setup/main/tasks.yml

- name: create Virtual Machines with uvt-kvm
  shell: uvt-kvm create {{ item.name }} --cpu={{ item.cpu }} --memory={{ item.memMB }} --disk={{ item.diskGB }}; \
    uvt-kvm wait --insecure {{ item.name }}
    creates=/var/lib/uvtool/libvirt/images/{{ item.name }}.qcow
  with_items: "{{ head_vm_list }}"

- name: discover VM IP addresses
  shell: "uvt-kvm ip {{ item.name }}"
  with_items: "{{ head_vm_list }}"
  register: vm_ip

- name: Create /etc/hosts with VM IP addresses
  become: yes
  template:
    src=hosts.j2
    dest=/etc/hosts

- name: Create /etc/ansible/hosts file
  become: yes
  template:
    src=ansible_hosts.j2
    dest=/etc/ansible/hosts

- name: Verify that we can log into every VM
  command: ansible services -m ping -u ubuntu

- name: Initialize Juju
  command: juju generate-config
    creates={{ ansible_user_dir }}/.juju/environments.yaml

- name: Create Juju config file from template
  template:
    src=environments.yaml.j2
    dest={{ ansible_user_dir }}/.juju/environments.yaml

- name: Bootstrap Juju
  command: juju bootstrap
    creates={{ ansible_user_dir }}/.juju/environments/manual.jenv

- name: Create openstack.cfg for Juju from template
  become: yes
  template:
    src=openstack.cfg.j2
    dest={{ openstack_cfg_path }}

# Code for this is in library/juju_facts.py
- name: Obtain Juju Facts
  juju_facts:

# For setwise operations on desired vs Juju state:
# list of VM names in head_vm_list dict: head_vm_list | map(attribute='name') | list
# list of active juju_machines names: juju_machines.keys()
# list of active juju_services names: juju_services.keys()

- name: Add machines to Juju
  command: "juju add-machine ssh:{{ item }}"
  with_items: "{{ head_vm_list | map(attribute='name') | list | difference( juju_machines.keys() ) }}"

- name: Deploy services that are hosted in their own VM
  command: "juju deploy {{ item }} --to {{ juju_machines[item]['machine_id'] }} --config={{ openstack_cfg_path }}"
  with_items: "{{ vm_service_list | difference( juju_services.keys() ) }}"

- name: Deploy mongodb to ceilometer VM
  command: "juju deploy mongodb --to {{ juju_machines['ceilometer']['machine_id'] }} --config={{ openstack_cfg_path }}"
  when: juju_services['mongodb'] is undefined

- name: Deploy services that don't have their own VM
  command: "juju deploy {{ item }} --config={{ openstack_cfg_path }}"
  with_items: "{{ standalone_service_list | difference( juju_services.keys() ) }}"

# FIXME: ignoring errors when creating relationships.
# Previous method wasn't idempotent either

- name: Create relations between services
  command: "juju add-relation '{{ item.0.name }}' '{{ item.1 }}'"
  ignore_errors: True
  with_subelements:
    - "{{ service_relations }}"
    - relations

# Need to wait for services to come up here