roles/juju-setup/tasks/main.yml

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

- 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: Copy over juju-config.yml for configuring Juju services
  become: yes
  template:
    src={{ juju_config_name }}_juju_config.yml.j2
    dest={{ juju_config_path }}

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

- name: Pause to let Juju settle before adding machines
  pause:
    prompt="Waiting for Juju..."
    seconds=20

# For setwise operations on desired vs Juju state:
# list of active juju_machines names: juju_machines.keys()
# list of active juju_services names: juju_services.keys()

- name: Add machines to Juju
  when: "{{ head_lxd_list | map(attribute='service') | list | reject('undefined') | map('format_string', '%s.'~site_suffix ) | difference( juju_machines.keys() ) | length }}"
  command: "juju add-machine ssh:{{ item }}"
  with_items: "{{ head_lxd_list | map(attribute='service') | list | reject('undefined') | map('format_string', '%s.'~site_suffix ) | difference( juju_machines.keys() ) }}"

# run this again, so machines will be in the juju_machines list
- name: Obtain Juju Facts after machine creation
  juju_facts:

- name: Deploy services that are hosted in their own VM
  when: "{{ lxd_service_list | difference( juju_services.keys() ) | length }}"
  command: "juju deploy {{ charm_versions[item] | default(item) }} --to {{ juju_machines[item~'.'~site_suffix]['machine_id'] }} --config={{ juju_config_path }}"
  with_items: "{{ lxd_service_list | difference( juju_services.keys() ) }}"

- name: Deploy services that don't have their own VM
  when: "{{ standalone_service_list | difference( juju_services.keys() ) | length }}"
  command: "juju deploy {{ charm_versions[item] | default(item) }} --config={{ juju_config_path }}"
  with_items: "{{ standalone_service_list | difference( juju_services.keys() ) }}"

- name: Create relations between services
  command: "juju add-relation '{{ item.0.name }}' '{{ item.1 }}'"
  register: juju_relation
  failed_when: "juju_relation|failed and 'relation already exists' not in juju_relation.stderr"
  with_subelements:
    - "{{ service_relations }}"
    - relations
  tags:
   - skip_ansible_lint # benign to do this more than once, hard to check for

# run another time, so services will be in juju_services list
- name: Obtain Juju Facts after service creation
  juju_facts:

# 1800s = 30m. Usually takes 10-12m on cloudlab for relations to come up
# Only checks for first port in list
- name: Wait for juju services to have open ports
  wait_for:
    host={{ item.name }}
    port={{ item.forwarded_ports[0].int }}
    timeout=1800
  with_items: "{{ head_lxd_list | selectattr('forwarded_ports', 'defined') | list }}"

# secondary wait, as waiting on ports isn't enough. Probably only need one of these...
# 160*15s = 2400s = 40m max wait
- name: Wait for juju services to start
  command: juju status --format=summary
  register: juju_summary
  until: juju_summary.stdout.find("pending:") == -1
  retries: 160
  delay: 15
  tags:
   - skip_ansible_lint # checking/waiting on a system to be up

- name: Create admin-openrc.sh credentials file
  template:
   src=admin-openrc.sh.j2
   dest={{ ansible_user_dir }}/admin-openrc.sh

- name: Copy nova-cloud-controller CA certificate to head
  command: juju scp {{ juju_services['nova-cloud-controller']['units'].keys()[0] }}:/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt {{ ansible_user_dir }}
  register: result
  until: result | success
  retries: 40
  delay: 15
  tags:
   - skip_ansible_lint # checking/waiting on file availibilty

- name: Copy cert to system location
  become: yes
  copy:
    src: "{{ ansible_user_dir }}/keystone_juju_ca_cert.crt"
    dest: "/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt"
    remote_src: true
  notify:
    - update-ca-certificates
    - Move cert to all service VMs
    - update-ca-certificates in service VMs