---
# Switch configuration depends on the type of switch, so groups hosts by their
# switch type and apply tasks/roles to the relevant groups.

- name: Group hosts by their switch type and apply configuration filters
  hosts: switches
  gather_facts: no
  vars:
    # Set this variable to True to configure the network for hardware
    # discovery.
    physical_network_enable_discovery: False
    # Set this variable to True to deconfigure the network for hardware
    # discovery.
    physical_network_disable_discovery: False
    # Set this variable to a comma-separated list of names of interfaces to
    # configure in order to restrict configuration to a subset of interfaces.
    physical_network_interface_limit: ''
    # Set this variable to a comma-separated list of descriptions of interfaces
    # to configure in order to restrict configuration to a subset of
    # interfaces.
    physical_network_interface_description_limit: ''
    # Set this variable to True in order to display the candidate switch
    # configuration and exit without applying it.
    physical_network_display: False
    # List of supported values for the 'switch_type' variable.
    supported_switch_types:
      - arista
      - dellos6
      - dellos9
      - dellos10
      - dell-powerconnect
      - junos
      - mellanox
      - nclu
      - openvswitch
  tasks:
    - name: Fail if both interface name and description limits are specified
      fail:
        msg: >
          The interface name and interface description limits are mutually
          exclusive.
      when:
        - physical_network_interface_limit != ''
        - physical_network_interface_description_limit != ''

    - name: Fail if the switch type is not defined
      fail:
        msg: >
          The switch type is not defined or is unrecognised. Configure the type
          of each host in the 'switches' group via the 'switch_type' variable.
      when: switch_type is not defined or
            switch_type not in supported_switch_types

    - name: Group hosts by their switch type
      group_by:
        key: "switches_of_type_{{ switch_type }}"
      changed_when: false

    - name: Group hosts by whether display mode is set
      group_by:
        key: "switches_in_display_mode_{{ physical_network_display | bool }}"
      changed_when: false

    - name: Add discovery interface configuration when enabling discovery
      set_fact:
        switch_interface_config: >
          {{ switch_interface_config | combine(switch_interface_config_enable_discovery) }}
      when: physical_network_enable_discovery | bool

    - name: Add discovery interface configuration when disabling discovery
      set_fact:
        switch_interface_config: >
          {{ switch_interface_config | combine(switch_interface_config_disable_discovery) }}
      when: physical_network_disable_discovery | bool

    - name: Restrict switch interfaces to requested subset by name
      set_fact:
        switch_interface_config: >
          {{ switch_interface_config |
             switch_interface_config_select_name(physical_network_interface_limit.split(",")) }}
      when: physical_network_interface_limit != ''

    - name: Restrict switch interfaces to requested subset by description
      set_fact:
        switch_interface_config: >
          {{ switch_interface_config |
             switch_interface_config_select_description(physical_network_interface_description_limit.split(",")) }}
      when: physical_network_interface_description_limit != ''

- name: Display switch configuration
  hosts: switches_in_display_mode_True
  gather_facts: no
  tasks:
    - name: Display the candidate global switch configuration
      debug:
        var: switch_config

    - name: Display the candidate switch interface configuration
      debug:
        var: switch_interface_config

- name: Ensure Arista physical switches are configured
  hosts: switches_of_type_arista:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: arista-switch
      arista_switch_type: "{{ switch_type }}"
      arista_switch_provider: "{{ switch_arista_provider }}"
      arista_switch_config: "{{ switch_config }}"
      arista_switch_interface_config: "{{ switch_interface_config }}"

- name: Ensure DellOS physical switches are configured
  hosts: switches_of_type_dellos6:switches_of_type_dellos9:switches_of_type_dellos10:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: dell-switch
      dell_switch_type: "{{ switch_type }}"
      dell_switch_provider: "{{ switch_dellos_provider }}"
      dell_switch_config: "{{ switch_config }}"
      dell_switch_interface_config: "{{ switch_interface_config }}"

- name: Ensure Dell PowerConnect physical switches are configured
  hosts: switches_of_type_dell-powerconnect:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: stackhpc.dell-powerconnect-switch
      dell_powerconnect_switch_type: "{{ switch_type }}"
      dell_powerconnect_switch_provider: "{{ switch_dell_powerconnect_provider }}"
      dell_powerconnect_switch_config: "{{ switch_config }}"
      dell_powerconnect_switch_interface_config: "{{ switch_interface_config }}"

- name: Ensure Juniper physical switches are configured
  hosts: switches_of_type_junos:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: junos-switch
      junos_switch_type: "{{ switch_type }}"
      junos_switch_provider: "{{ switch_junos_provider }}"
      junos_switch_config_format: "{{ switch_junos_config_format }}"
      junos_switch_config: "{{ switch_config }}"
      junos_switch_interface_config: "{{ switch_interface_config }}"

- name: Ensure Mellanox physical switches are configured
  hosts: switches_of_type_mellanox:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: stackhpc.mellanox-switch
      mellanox_switch_type: "{{ switch_type }}"
      mellanox_switch_provider: "{{ switch_mellanox_provider }}"
      mellanox_switch_config: "{{ switch_config }}"
      mellanox_switch_interface_config: "{{ switch_interface_config }}"

- name: Ensure Cumulus physical switches are configured with NCLU
  hosts: switches_of_type_nclu:&switches_in_display_mode_False
  gather_facts: no
  roles:
    - role: ssh-known-host

    - role: nclu-switch
      nclu_switch_config: "{{ switch_config }}"
      nclu_switch_interface_config: "{{ switch_interface_config }}"