---
# Play: set up head node
- hosts: head
  sudo: yes
  tasks:

  - apt: name={{ item }} update_cache=yes
    with_items:
    - python-pycurl
    - software-properties-common

  - name: Add Juju repository
    apt_repository: repo="ppa:juju/stable"

  - name: Add Ansible repository
    apt_repository: repo="ppa:ansible/ansible"

  - name: Update apt cache
    apt: update_cache=yes

  - name: Install packages
    apt: name={{ item }} state=latest
    with_items:
    - ansible
    - uvtool
    - git
    - bzr
    - juju-core
    - juju-quickstart
    - python-novaclient
    - python-neutronclient
    - python-keystoneclient
    - python-glanceclient

  # On some systems ansible complains that the "/usr/share/ansible/source_control/git directory
  # does not exist when there is an attempt to get juju-ansible. To work around this issue
  # we precreate the directory
  - name: Work Around - source_control directory creation
    file: path="/usr/share/ansible/source_control/git" state=directory

  - name: Get juju-ansible git repo
    git: repo=https://github.com/cmars/juju-ansible.git
      dest=/usr/local/src/juju-ansible

  - name: Set up juju-ansible symlink
    file: dest=/usr/local/bin/juju-ansible
      src=/usr/local/src/juju-ansible/juju-ansible
      state=link

  - name: Set up juju-ansible-playbook symlink
    file: dest=/usr/local/bin/juju-ansible-playbook
      src=/usr/local/src/juju-ansible/juju-ansible
      state=link

  - name: Generate key to use in VMs
    user: name={{ ansible_env['SUDO_USER'] }} generate_ssh_key=yes

  - name: Get public key
    shell: cat {{ ansible_env['PWD'] }}/.ssh/id_rsa.pub
    register: sshkey

  - name: Add key
    authorized_key: user="{{ ansible_env['SUDO_USER'] }}"
      key="{{ sshkey.stdout }}"

  - name: Copy keypair to /tmp
    shell: cp -f {{ ansible_env['PWD'] }}/.ssh/{{ item }} /tmp; chmod +r /tmp/{{ item }}
    with_items:
    - id_rsa
    - id_rsa.pub

  - name: Stat mkextrafs
    stat: path="/usr/testbed/bin/mkextrafs"
    register: is_mkextrafs

  - name: Check whether we're on Cloudlab
    set_fact:
      is_cloudlab : "{{ is_mkextrafs.stat.exists }}"

  - name: (CloudLab) Set up extra disk space
    shell: /usr/testbed/bin/mkextrafs -f /var/lib/uvtool/libvirt/images
      creates=/var/lib/uvtool/libvirt/images/lost+found
    when: is_cloudlab

  - name: Add myself to libvirtd group
    user: name={{ ansible_env['SUDO_USER'] }}
      groups=libvirtd
      append=yes

  - name: Get trusty image for uvtool
    shell: uvt-simplestreams-libvirt sync --source http://cloud-images.ubuntu.com/daily release=trusty arch=amd64

# Play: create VMs to host OpenStack services
- hosts: head
  sudo: yes
  tasks:

  # Yes I know
  - name: Add local resolver to /etc/resolv.conf
    lineinfile: dest=/etc/resolv.conf
      insertafter=".*DO NOT EDIT THIS FILE.*"
      line="nameserver 192.168.122.1"
    when: test_setup is defined

  - name: Touch .ssh/config
    sudo: no
    file: path={{ ansible_env['PWD'] }}/.ssh/config
      state=touch

  - name: Disable host key checking in SSH
    sudo: no
    lineinfile: dest={{ ansible_env['PWD'] }}/.ssh/config
      line="StrictHostKeyChecking no"

  - name: Create VMs to host OpenCloud services on mgmtbr
    sudo: no
    script: scripts/create-vms-cord.sh
    when: test_setup is not defined

  - name: Create VMs to host OpenCloud services on virbr0
    sudo: no
    script: scripts/create-vms-cord.sh --testing
    when: test_setup is defined

  - name: Set up /etc/ansible/hosts
    template: src=templates/etc/ansible/cord-hosts.j2
      dest=/etc/ansible/hosts

  - name: Copy ansible.cfg to disable host key checking
    sudo: no
    copy: src=files/ansible.cfg
      dest={{ ansible_env['PWD'] }}/.ansible.cfg

  - name: Touch ~/.ssh/config
    sudo: no
    file: path={{ ansible_env['PWD'] }}/.ssh/config state=touch

  - name: Test that we can log into every VM using Ansible
    sudo: no
    shell: ansible services -m ping -u ubuntu

# Play: prepare compute nodes for installation
- hosts: compute
  sudo: yes
  tasks:
  - name: Install package needed by Juju
    apt: name=python-yaml state=present

  - name: Add key for standard user
    authorized_key: user="{{ ansible_env['SUDO_USER'] }}"
      key="{{ hostvars['head']['sshkey']['stdout'] }}"

  - name: Add key for root
    authorized_key: user="root"
      key="{{ hostvars['head']['sshkey']['stdout'] }}"

  - name: Stat mkextrafs
    stat: path="/usr/testbed/bin/mkextrafs"
    register: is_mkextrafs

  - name: Check whether we're on Cloudlab
    set_fact:
      is_cloudlab : "{{ is_mkextrafs.stat.exists }}"

  - name: Make sure that /var/lib/nova exists
    file: path=/var/lib/nova state=directory
    when: is_cloudlab

  - name: (CloudLab) Set up extra disk space
    shell: /usr/testbed/bin/mkextrafs -f /var/lib/nova
      creates=/var/lib/nova/lost+found
    when: is_cloudlab

# Play: Install services using Juju
- hosts: head
  vars:
    charm_src: /usr/local/src/charms/trusty
  tasks:
  - name: Initialize Juju
    sudo: no
    shell: juju generate-config
      creates={{ ansible_env['PWD'] }}/.juju/environments.yaml

  - name: Juju config file
    sudo: no
    template: src=templates/environments.yaml.j2
      dest={{ ansible_env['PWD'] }}/.juju/environments.yaml

  - name: Bootstrap Juju
    sudo: no
    shell: juju bootstrap
      creates={{ ansible_env['PWD'] }}/.juju/environments/manual.jenv

  - name: Check that 'juju status' works
    sudo: no
    shell: juju status

  - name: Pause for 15 seconds (problem with mysql VM not being added to Juju)
    pause: seconds=15

  - name: Add virtual machines to Juju's control
    shell: juju add-machine ssh:{{ item }}
    with_items: "{{ groups['openstack'] }}"

  - name: Add compute nodes to Juju's control
    shell: juju add-machine ssh:{{ item }}
    with_items: "{{ groups['compute'] }}"

  - name: Copy cord.yaml bundle
    template: src=templates/cord.yaml dest={{ ansible_env['PWD'] }}/cord.yaml

  - name: Update root certificate database
    sudo: yes
    command: update-ca-certificates

  - name: Deploy OpenStack services with Juju
    shell: juju quickstart --no-browser cord.yaml

- hosts: head
  sudo: no
  tasks:

  - name: Create credentials
    template: src=templates/admin-openrc-cord.sh.j2
     dest={{ ansible_env['PWD'] }}/admin-openrc.sh

  - name: Copy credentials to /tmp
    shell: cp -f {{ ansible_env['PWD'] }}/admin-openrc.sh /tmp

  - name: Copy credentials to nova-cloud-controller
    shell: "scp admin-openrc.sh ubuntu@nova-cloud-controller:"

- hosts: head
  sudo: no
  tasks:

  - name: Copy over VM setup files
    copy: src=files/tmp/{{ item }}
      dest=/tmp
    with_items:
    - set-up-xos.yml
    - set-up-onos.yml

  - name: Copy over ONOS docker-compose.yml
    copy: src=files/onos/docker-compose.yml
      dest=/tmp

  - name: Set up xos VM
    shell: ansible-playbook /tmp/set-up-xos.yml

  - name: Set up onos-cord VM
    shell: ansible-playbook /tmp/set-up-onos.yml