kayobe/ansible/kolla-ansible.yml

---
- name: Set interfaces for overcloud hosts
  hosts: overcloud
  tags:
    - config
    - config-validation
    - kolla-ansible
  gather_facts: False
  vars:
    require_provider_networks: >-
      {{ kolla_enable_neutron | bool and
         (inventory_hostname in groups['network'] or
          (kolla_enable_neutron_provider_networks | bool and inventory_hostname in groups['compute'])) }}      
  tasks:
    - name: Set API network interface
      set_fact:
        kolla_network_interface: "{{ internal_net_name | net_interface | replace('-', '_')  }}"
        kolla_api_interface: "{{ internal_net_name | net_interface | replace('-', '_')  }}"
      when: internal_net_name in network_interfaces

    - name: Set storage network interface
      set_fact:
        kolla_storage_interface: "{{ storage_net_name | net_interface | replace('-', '_')  }}"
      when: storage_net_name in network_interfaces

    - name: Set cluster network interface
      set_fact:
        kolla_cluster_interface: "{{ storage_mgmt_net_name | net_interface | replace('-', '_')  }}"
      when: storage_mgmt_net_name in network_interfaces

    - name: Set provision network interface
      set_fact:
        kolla_provision_interface: "{{ provision_wl_net_name | net_interface | replace('-', '_')  }}"
      when: provision_wl_net_name in network_interfaces

    - name: Set inspector dnsmasq network interface
      set_fact:
        kolla_inspector_dnsmasq_interface: "{{ inspection_net_name | net_interface | replace('-', '_')  }}"
      when: inspection_net_name in network_interfaces

    - name: Set DNS network interface
      set_fact:
        kolla_dns_interface: "{{ public_net_name | net_interface | replace('-', '_')  }}"
      when: public_net_name in network_interfaces

    - name: Set tunnel network interface
      set_fact:
        kolla_tunnel_interface: "{{ tunnel_net_name | net_interface | replace('-', '_') }}"
      when: tunnel_net_name in network_interfaces

    - name: Set external VIP interface
      set_fact:
        kolla_external_vip_interface: "{{ public_net_name | net_interface | replace('-', '_') }}"
      when: public_net_name in network_interfaces

    - name: Initialise facts containing the network host interfaces
      set_fact:
        # Initialise the following lists.
        kolla_neutron_bridge_interfaces: []
        kolla_neutron_bridge_names: []
        kolla_neutron_external_interfaces: []

    # When these networks are VLANs, we need to use the underlying tagged
    # bridge interface rather than the untagged interface. We therefore
    # strip the .<vlan> suffix of the interface name. We use a union here
    # as a single tagged interface may be shared between these networks.
    - name: Set a fact containing the bridges to be patched to the Neutron OVS bridges
      set_fact:
        kolla_neutron_bridge_interfaces: >
          {{ kolla_neutron_bridge_interfaces |
             union([item | net_interface | replace('.' ~ item | net_vlan | default('!nomatch!'), '')]) |
             list }}          
      with_items: "{{ [provision_wl_net_name, cleaning_net_name] + external_net_names | unique | list }}"
      when: item in network_interfaces

    - name: Set facts containing the Neutron bridge and interface names
      set_fact:
        kolla_neutron_bridge_names: >
          {{ kolla_neutron_bridge_names +
             [item ~ network_bridge_suffix_ovs] }}          
        kolla_neutron_external_interfaces: >
          {{ kolla_neutron_external_interfaces +
             [network_patch_prefix ~ item ~ network_patch_suffix_ovs] }}          
      with_items: "{{ kolla_neutron_bridge_interfaces }}"

    - name: Validate overcloud host Kolla Ansible network configuration
      fail:
        msg: >
          The Kolla Ansible variable {{ item.var_name }}
          ({{ item.description }}) is invalid. Value:
          "{{ hostvars[inventory_hostname][item.var_name] | default('<undefined>') }}".          
      when:
        - item.required | bool
        - hostvars[inventory_hostname][item.var_name] is not defined or not hostvars[inventory_hostname][item.var_name]
      with_items:
        - var_name: "kolla_api_interface"
          description: "API network interface name"
          required: True
        - var_name: "kolla_external_vip_interface"
          description: "External network interface name"
          required: "{{ inventory_hostname in groups['network'] }}"
        - var_name: "kolla_provision_interface"
          description: "Bare metal provisioning network interface name"
          required: "{{ kolla_enable_ironic | bool and inventory_hostname in groups['controllers'] }}"
        - var_name: "kolla_inspector_dnsmasq_interface"
          description: "Bare metal introspection network interface name"
          required: "{{ kolla_enable_ironic | bool and inventory_hostname in groups['controllers'] }}"
        - var_name: "kolla_neutron_bridge_names"
          description: "List of Neutron bridge names"
          required: "{{ require_provider_networks }}"
        - var_name: "kolla_neutron_external_interfaces"
          description: "List of Neutron interface names"
          required: "{{ require_provider_networks }}"

    - name: Validate Kolla Ansible Neutron bridge and interface configuration
      fail:
        msg: >
          The Kolla Ansible variable {{ item.0.var_name }}
          ({{ item.0.description }}) is invalid. Value:
          "{{ item.1 | default('<undefined>') }}".          
      when:
        - item.0.required | bool
        - item.1 is not defined or not item.1
      with_subelements:
        - - var_name: "kolla_neutron_bridge_names"
            value: "{{ kolla_neutron_bridge_names }}"
            description: "List of Neutron bridge names"
            required: "{{ require_provider_networks }}"
          - var_name: "kolla_neutron_external_interfaces"
            value: "{{ kolla_neutron_external_interfaces }}"
            description: "List of Neutron interface names"
            required: "{{ require_provider_networks }}"
        - value

    # Kolla ansible expects these variables to be comma-separated lists.
    - name: Update facts containing the Neutron bridge and interface names
      set_fact:
        kolla_neutron_bridge_names: "{{ kolla_neutron_bridge_names | join(',') }}"
        kolla_neutron_external_interfaces: "{{ kolla_neutron_external_interfaces | join(',') }}"

- name: Set interfaces for the seed host
  hosts: seed
  tags:
    - config
    - config-validation
    - kolla-ansible
  gather_facts: False
  tasks:
    - name: Set bifrost network interface
      set_fact:
        kolla_bifrost_network_interface: "{{ provision_oc_net_name | net_interface | replace('-', '_') }}"
      when: provision_oc_net_name in network_interfaces

    - name: Validate seed Kolla Ansible network configuration
      fail:
        msg: >
          The Kolla Ansible variable {{ item.var_name }}
          ({{ item.description }}) is invalid. Value:
          "{{ hostvars[inventory_hostname][item.var_name] | default('<undefined>') }}".          
      when:
        - item.required | bool
        - hostvars[inventory_hostname][item.var_name] is not defined or not hostvars[inventory_hostname][item.var_name]
      with_items:
        - var_name: "kolla_bifrost_network_interface"
          description: "Bifrost network interface name"
          required: True

    # Strictly api_interface is not required but kolla-ansible currently
    # references it in prechecks.
    - name: Set API network interface
      set_fact:
        kolla_api_interface: "{{ kolla_bifrost_network_interface }}"

- name: Ensure Kolla Ansible is configured
  hosts: localhost
  tags:
    - kolla-ansible
  vars:
    # We need to reference configuration for the network node.
    # We pick the first host from the group for this. It is possible that at
    # this point these groups have no hosts in, and we should handle that case
    # gracefully.
    network_host: "{{ groups['network'][0] }}"
  pre_tasks:
    # Configuration of extra user-provided Kolla globals.
    - block:
        - name: Check whether a Kolla extra globals configuration file exists
          stat:
            path: "{{ kayobe_config_path ~ '/kolla/globals.yml' }}"
            get_checksum: False
            get_md5: False
            mime: False
          register: globals_stat

        - name: Read the Kolla extra globals configuration file
          set_fact:
            kolla_extra_globals: "{{ lookup('template', kayobe_config_path ~ '/kolla/globals.yml') | from_yaml }}"
          when: globals_stat.stat.exists
      tags:
        - config

    # Configuration and validation of network host networking.
    - block:
        - name: Set facts containing the VIP addresses and FQDNs
          set_fact:
            kolla_internal_vip_address: "{{ internal_net_name | net_vip_address }}"
            kolla_internal_fqdn: "{{ internal_net_name | net_fqdn or internal_net_name | net_vip_address }}"
            kolla_external_vip_address: "{{ public_net_name | net_vip_address }}"
            kolla_external_fqdn: "{{ public_net_name | net_fqdn or public_net_name | net_vip_address }}"
          when: kolla_enable_haproxy | bool

        - name: Set facts containing the VIP addresses and FQDNs
          set_fact:
            kolla_internal_vip_address: "{{ internal_net_name | net_ip(network_host) }}"
            kolla_internal_fqdn: "{{ internal_net_name | net_ip(network_host) }}"
            kolla_external_vip_address: "{{ public_net_name | net_ip(network_host) }}"
            kolla_external_fqdn: "{{ public_net_name | net_ip(network_host) }}"
          when: not kolla_enable_haproxy | bool

        - name: Validate Kolla Ansible API address configuration
          fail:
            msg: >
              The Kolla Ansible variable {{ item.var_name }}
              ({{ item.description }}) is invalid. Value:
              "{{ hostvars[inventory_hostname][item.var_name] | default('<undefined>') }}".              
          when:
            - item.required | bool
            - hostvars[inventory_hostname][item.var_name] is not defined or not hostvars[inventory_hostname][item.var_name]
          with_items:
            - var_name: "kolla_internal_vip_address"
              description: "Internal API VIP address"
              required: True
            - var_name: "kolla_internal_fqdn"
              description: "Internal API Fully Qualified Domain Name (FQDN)"
              required: True
            - var_name: "kolla_external_vip_address"
              description: "external API VIP address"
              required: True
            - var_name: "kolla_external_fqdn"
              description: "External API Fully Qualified Domain Name (FQDN)"
              required: True
      when: groups['network'] | length > 0
      tags:
        - config
        - config-validation

  roles:
    - role: kolla-ansible
      kolla_ansible_install_epel: "{{ yum_install_epel }}"
      kolla_external_fqdn_cert: "{{ kolla_config_path }}/certificates/haproxy.pem"
      kolla_ansible_passwords_path: "{{ kayobe_config_path }}/kolla/passwords.yml"
      # NOTE: This differs from the default SELinux mode in kolla ansible,
      # which is permissive. The justification for using this mode is twofold:
      # 1. it avoids filling up the audit log
      # 2. it avoids an issue seen when using diskimage-builder in the bifrost
      # container.
      # We could look at making the SELinux mode configurable in future.
      kolla_selinux_state: disabled