fake_nodepool.yml

---

- name: Fetch a CentOS image to use for fake nodepool nodes
  include_role:
    name: fetch-images

- name: Resize undercloud image (create target image)
  command: >
    qemu-img create -f qcow2 -o preallocation=off
    '{{ working_dir }}/undercloud-resized.qcow2'
    '80G'
- name: Resize undercloud image (call virt-resize)
  command: >
    virt-resize --expand /dev/sda1
    '{{ working_dir }}/undercloud.qcow2'
    '{{ working_dir }}/undercloud-resized.qcow2'
  environment:
    LIBGUESTFS_BACKEND: direct

- name: Rename resized image to original name
  command: >
    mv -f '{{ working_dir }}/undercloud-resized.qcow2'
          '{{ working_dir }}/undercloud.qcow2'

- name: Calculate password hash
  no_log: true
  shell: >
    import crypt;
    print crypt.crypt("{{ vm_pass }}", "$1$SecretSalt$")
  args:
    executable: /usr/bin/python
  register: hash

- name: Copy generated password to file
  local_action: copy content={{ hash.stdout }} dest="{{ working_dir }}/pwtemp" mode=0600

- name: Inject password into the image
  command: >
    virt-customize -a {{ working_dir }}/undercloud.qcow2
    --root-password file:"{{ working_dir }}/pwtemp"
  environment:
    LIBGUESTFS_BACKEND: direct
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"
  register: root_password

- name: Remove root password file
  file:
    path: "{{ working_dir }}/pwtemp"
    state: absent

- name: Resize the filesystem
  command: >
    virt-customize -a {{ working_dir }}/undercloud.qcow2
    --run-command 'xfs_growfs /'
  environment:
    LIBGUESTFS_BACKEND: direct
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"

- name: Disable cloud-init
  command: >
    virt-customize -a {{ working_dir }}/undercloud.qcow2
    --run-command "grubby --update-kernel=ALL --args=\"cloud-init=disabled\""
  environment:
    LIBGUESTFS_BACKEND: direct
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"

- name: Inject ssh public key into the image
  command: >
    virt-customize -a {{ working_dir }}/undercloud.qcow2
    --mkdir /root/.ssh/
    --upload '{{ pub_key }}:/root/.ssh/authorized_keys'
    --run-command 'chown -R root:root /root/.ssh'
    --run-command 'chmod 0700 /root/.ssh'
    --run-command 'chmod 0600 /root/.ssh/authorized_keys'
    --selinux-relabel
  environment:
    LIBGUESTFS_BACKEND: direct
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"

- name: Add zuul user to the image
  command: >
    virt-customize -a {{ working_dir }}/undercloud.qcow2
    --run-command 'useradd zuul'
    --mkdir /home/zuul/.ssh
    --run-command 'cp /root/.ssh/authorized_keys /home/zuul/.ssh/'
    --run-command 'chown -R zuul:zuul /home/zuul/.ssh'
    --run-command 'chmod 0700 /home/zuul/.ssh'
    --run-command 'chmod 0600 /home/zuul/.ssh/authorized_keys'
    --run-command 'echo "zuul ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/zuul'
    --run-command 'chmod 0440 /etc/sudoers.d/zuul'
    --selinux-relabel
  environment:
    LIBGUESTFS_BACKEND: direct
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"

- debug:
    msg: "Add basic packages we need to the image"

- environment:
    LIBVIRT_DEFAULT_URI: "{{ libvirt_uri }}"
  block:
  # Create libvirt volumes and upload them to libvirt.
  - name: Create fake nodepool volumes
    command: >
      virsh vol-create-as {{ libvirt_volume_pool}}
      {{ item.name }}.qcow2
      {{ flavors[item.flavor].disk }}G --format qcow2
    with_items: "{{ overcloud_nodes }}"

  - name: Upload the volume to storage pool
    command: >
      virsh -k 0 vol-upload --pool '{{ libvirt_volume_pool }}'
      '{{ item.name }}.qcow2'
      '{{ local_working_dir }}/undercloud.qcow2'
    async: 600
    poll: 10
    with_items: "{{ overcloud_nodes }}"

- name: Start fake nodepool nodes
  virt:
    name: "{{ item.name }}"
    command: start
    autostart: true
    state: running
    uri: "{{ libvirt_uri }}"
  with_items: "{{ overcloud_nodes }}"

## need to find a way to make these next tasks generic

- name: Get fake nodepool IP addresses
  script: "get-undercloud-ip.sh subnode-0"
  register: "subnode_0_ip_result"
  until: "subnode_0_ip_result|success"
  retries: 20
  delay: 10

- name: Set_fact for undercloud ip
  set_fact:
    subnode_0_ip: "{{ subnode_0_ip_result.stdout_lines[0] }}"
    cacheable: true

- name: Wait until ssh is available
  wait_for:
    host: "{{ subnode_0_ip }}"
    state: started
    port: 22
    timeout: 600

- name: Add subnode-0 to inventory
  add_host:
    name: subnode-0
    groups: subnodes
    ansible_host: "{{ subnode_0_ip }}"
    ansible_fqdn: "{{ subnode_0_ip }}"
    ansible_user: zuul
    ansible_private_key_file: "~/.ssh/id_rsa"
    subnode_private_ip: "{{ subnode_0_ip }}"
    subnode_public_ip: "{{ subnode_0_ip }}"

- name: Set hostname correctly for subnode-0
  delegate_to: subnode-0
  shell: >
    echo "127.0.0.1  subnode-0 localhost" > /etc/hosts;
    echo "HOSTNAME=subnode-0" >> /etc/sysconfig/network;
    echo "subnode-0" > /etc/hostname;
    hostnamectl set-hostname subnode-0;
    echo "nameserver {{ custom_nameserver|default('8.8.8.8') }} " >> /etc/resolv.conf;
    echo "supersede domain-name-servers {{ custom_nameserver|default('8.8.8.8') }};" >> /etc/dhcp/dhclient.conf
  become: true

- name: Get fake nodepool IP addresses
  script: "get-undercloud-ip.sh subnode-1"
  register: "subnode_1_ip_result"
  until: "subnode_1_ip_result|success"
  retries: 20
  delay: 10

- name: Set_fact for undercloud ip
  set_fact:
    subnode_1_ip: "{{ subnode_1_ip_result.stdout_lines[0] }}"
    cacheable: true

- name: Wait until ssh is available
  wait_for:
    host: "{{ subnode_1_ip }}"
    state: started
    port: 22
    timeout: 600

- name: Add subnode-1 to inventory
  add_host:
    name: subnode-1
    groups: subnodes
    ansible_host: "{{ subnode_1_ip }}"
    ansible_fqdn: "{{ subnode_1_ip }}"
    ansible_user: zuul
    ansible_private_key_file: "~/.ssh/id_rsa"
    subnode_private_ip: "{{ subnode_1_ip }}"
    subnode_public_ip: "{{ subnode_1_ip }}"

- name: Set hostname correctly for subnode-1
  delegate_to: subnode-1
  shell: >
    echo "127.0.0.1  subnode-1 localhost" > /etc/hosts;
    echo "HOSTNAME=subnode-1" >> /etc/sysconfig/network;
    echo "subnode-1" > /etc/hostname;
    hostnamectl set-hostname subnode-1;
    echo "nameserver {{ custom_nameserver|default('8.8.8.8') }} " >> /etc/resolv.conf;
    echo "supersede domain-name-servers {{ custom_nameserver|default('8.8.8.8') }};" >> /etc/dhcp/dhclient.conf
  become: true