roles/compute-node/tasks/main.yml

---
- name: Verify Manditory Variables
  fail: msg="Variable '{{ item }}' is not defined"
  when: item not in hostvars[inventory_hostname]
  with_items:
    - fabric_ip
  tags:
    - interface_config

- name: Verify Network Bits on Network Specifications
  fail: msg="Network specification '{{ item }}' must include network bits"
  when: "item != 'dhcp' and item != 'manual' and item | match('^([0-9]{1,3}.){3}[0-9]{1,3}$')"
  with_items:
    - "{{ compute_node.addresses.fabric }}"
    - "{{ compute_node.addresses.management }}"
    - "{{ compute_node.addresses.external }}"

- name: Applications
  become: yes
  apt: name={{ item }} state=present force=yes
  with_items:
    - whois
    - build-essential=11.6*
    - git=1:1.9.*
    - python-pip=1.5.4*
    - ifenslave-2.6=2.4*
    - bridge-utils=1.5-*
    - ethtool=1:3.13*
    - minicom=2.7*
    - curl=7.35.*
    - jq=1.3*

- name: Validate Encyrpted Compute Node Password
  set_fact:
    already_encrypted: "{{compute_node.password.startswith('enc:')}}"

# If the compute_node.password begins with 'enc:' then it is an
# encyrpted password, which is what we need so we are done. Thus
# if it is not encrypted then we have to encrypt it

- name: Encyrpt Compute Node Password
  command: "mkpasswd --method=sha-512 {{compute_node.password}}"
  register: encrypted
  changed_when: false
  when: "not already_encrypted"

- name: Update Compute Node Password
  set_fact:
    compute_node_update:
      password: "enc:{{encrypted.stdout}}"
  when: "not already_encrypted"

- name: Merge Compute Node Properties
  set_fact:
    compute_node: "{{compute_node|combine(compute_node_update,recursive=True)}}"
  when: "not already_encrypted"

- name: Ensure Docker Insecure Repository
  become: yes
  lineinfile:
    dest: /etc/default/docker
    line: 'DOCKER_OPTS="$DOCKER_OPTS --insecure-registry docker-registry:5000"'
    insertafter: '^DOCKER_OPTS'
  register: docker_config

- name: Ensure Docker Registry Mirror
  become: yes
  lineinfile:
    dest: /etc/default/docker
    line: 'DOCKER_OPTS="$DOCKER_OPTS --registry-mirror=http://docker-registry:5001"'
    insertafter: '^DOCKER_OPTS'
  register: docker_config_mirror

- name: Docker Restart
  become: yes
  service:
    name=docker
    state=restarted
  when: docker_config.changed or docker_config_mirror.changed

- name: Ensure Docker Ansible Support
  become: yes
  pip:
    name=docker-py
    version=1.9

- name: Set Default Password
  become: yes
  user:
    name: "{{ansible_user}}"
    password: "{{compute_node.password.split(':',1)[1]}}"
  when: '"{{ ansible_user }}" == "ubuntu"'
  tags:
    - set_compute_node_password

- name: Authorize SSH Key
  become: yes
  authorized_key:
    key: "{{ pub_ssh_key }}"
    user: "{{ ansible_user }}"
    state: present

- name: Verify Private SSH Key
  become: yes
  stat:
    path=/home/{{ ansible_user }}/.ssh/id_rsa
  register: private_key

- name: Ensure SSH Key Pair
  become: yes
  copy:
    src: "/etc/maas/.ssh/{{item.src}}"
    dest: "{{ansible_env['PWD']}}/.ssh/{{item.dest}}"
    owner: "{{ansible_user}}"
    group: "docker"
    mode: "0600"
  with_items:
    - { "src": "cord_rsa", "dest": "id_rsa" }
    - { "src": "cord_rsa.pub", "dest": "id_rsa.pub" }

- name: Ensure SSH config
  become: no
  copy:
    src: "files/{{item}}"
    dest: "{{ansible_env['PWD']}}/.ssh/{{item}}"
    owner: "{{ansible_user}}"
    mode: "0600"
  with_items:
    - config

- name: Ensure CORD SUDO
  become: yes
  copy:
    src=files/99-cord-sudoers
    dest=/etc/sudoers.d/99-cord-sudoers
    owner=root
    group=root
    mode="0600"

- name: Ensure Utility Scripts
  become: yes
  copy:
    src=files/{{ item }}
    dest=/usr/local/bin/{{ item }}
    owner=root
    group=root
    mode="0755"
  with_items:
    - delete-fabric-config
    - delete-node-prov-state
    - docker-ip
    - fabric-pingall
    - get-fabric-config
    - get-node-prov-state
    - remove-xos-components
    - remove-maas-components
    - post-fabric-config
    - pull-latest-docker-images

- name: Verify Mellanox 40Gb NIC
  shell: /usr/bin/lspci | grep "Ethernet controller" | grep -c ConnectX-3 || true
  register: mlx_nic_present
  changed_when: False

- name: Verify Intel 40Gb NIC
  shell: /usr/bin/lspci | grep "Ethernet controller" | grep -c -E "XL710 for 40GbE QSFP+|X710 for 10GbE SFP+" || true
  register: intel_nic_present
  changed_when: False

- name: Verify i40e Driver
  command: modinfo --field=version i40e
  register: i40e_version
  when: intel_nic_present.stdout != "0"
  changed_when: False
  failed_when: False
  tags:
    - interface_config

- name: Verify mlx4 Driver
  command: modinfo --field=version mlx4_core
  register: mlx4_version
  when: mlx_nic_present.stdout != "0"
  changed_when: False
  failed_when: False
  tags:
    - interface_config

- name: Update mlx4 Driver
  include: mlx4_driver.yml
  when: mlx_nic_present.stdout != "0" and mlx4_version.stdout != '3.1-1.0.4'
  tags:
    - interface_config

- name: Update i40e Driver
  include: i40e_driver.yml
  when: intel_nic_present.stdout != "0" and i40e_version.stdout != '1.4.25'
  tags:
    - interface_config

- name: Load modules at boot
  become: yes
  lineinfile:
    dest: /etc/modules
    line: "{{ item }}"
  with_items:
   - lp
   - loop
   - rtc
   - bonding

- name: Ensure Network Configuration
  become: yes
  include: networking.yml
  tags:
    - interface_config