---
- debug: msg="START iosxr cli/iosxr_bgp.yaml on connection={{ ansible_connection }}"

- name: Check IOS-XR version
  iosxr_facts:
    gather_subset: default
  register: facts

- block:
    - name: Clear existing BGP config
      iosxr_bgp:
        operation: delete
      ignore_errors: yes

    - name: Configure BGP with AS 64496 and a router-id
      iosxr_bgp: &config
        operation: merge
        config:
          bgp_as: 64496
          router_id: 192.0.2.2
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'router bgp 64496' in result.commands"
          - "'bgp router-id 192.0.2.2' in result.commands"

    - name: Configure BGP with AS 64496 and a router-id (idempotent)
      iosxr_bgp: *config
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: Configure BGP neighbors
      iosxr_bgp: &nbr
        operation: merge
        config:
          bgp_as: 64496
          neighbors:
            - neighbor: 192.0.2.10
              remote_as: 64496
              description: IBGP_NBR_1
              advertisement_interval: 120
              timers:
                keepalive: 300
                holdtime: 360

            - neighbor: 192.0.2.15
              remote_as: 64496
              description: IBGP_NBR_2
              tcp_mss: 1500
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'router bgp 64496' in result.commands"
          - "'neighbor 192.0.2.10' in result.commands"
          - "'remote-as 64496' in result.commands"
          - "'description IBGP_NBR_1' in result.commands"
          - "'timers 300 360' in result.commands"
          - "'advertisement-interval 120' in result.commands"
          - "'neighbor 192.0.2.15' in result.commands"
          - "'remote-as 64496' in result.commands"
          - "'description IBGP_NBR_2' in result.commands"
          - "'tcp mss 1500' in result.commands"

    - name: Configure BGP neighbors (idempotent)
      iosxr_bgp: *nbr
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: Configure BGP neighbors with operation replace
      iosxr_bgp: &nbr_rplc
        operation: replace
        config:
          bgp_as: 64496
          neighbors:
            - neighbor: 192.0.2.15
              remote_as: 64496
              description: IBGP_NBR_2
              tcp_mss: 1500

            - neighbor: 203.0.113.10
              remote_as: 64511
              description: EBGP_NBR_1
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'neighbor 203.0.113.10' in result.commands"
          - "'remote-as 64511' in result.commands"
          - "'description EBGP_NBR_1' in result.commands"
          - "'no neighbor 192.0.2.10' in result.commands"

    - name: Configure BGP neighbors with operation replace (idempotent)
      iosxr_bgp: *nbr_rplc
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: create route-policy as prerequisite for BGP configuration
      iosxr_config:
        lines:
        - no route-policy RMAP_1
        - route-policy RMAP_1
        - exit
      register: result

    - name: Configure networks under address family
      iosxr_bgp: &af_net
        operation: merge
        config:
          bgp_as: 64496
          address_family:
            - afi: ipv4
              networks:
                - prefix: 198.51.100.48
                  masklen: 28
                  route_map: RMAP_1

                - prefix: 192.0.2.64
                  masklen: 27

                - prefix: 203.0.113.160
                  masklen: 27

            - afi: ipv4
              safi: multicast
              networks:
                - prefix: 198.51.100.64
                  masklen: 28
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'router bgp 64496' in result.commands"
          - "'address-family ipv4 unicast' in result.commands"
          - "'network 198.51.100.48/28 route-policy RMAP_1' in result.commands"
          - "'network 192.0.2.64/27' in result.commands"
          - "'network 203.0.113.160/27' in result.commands"
          - "'address-family ipv4 multicast' in result.commands"
          - "'network 198.51.100.64/28' in result.commands"

    - name: Configure networks under address family (idempotent)
      iosxr_bgp: *af_net
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: Configure networks under address family with operation replace
      iosxr_bgp: &af_net_rplc
        operation: replace
        config:
          bgp_as: 64496
          address_family:
            - afi: ipv4
              safi: unicast
              networks:
                - prefix: 198.51.100.80
                  masklen: 28

                - prefix: 192.0.2.64
                  masklen: 27

                - prefix: 203.0.113.192
                  masklen: 27

            - afi: ipv4
              safi: multicast
              networks:
                - prefix: 198.51.100.64
                  masklen: 28
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - '"router bgp 64496" in result.commands'
          - '"address-family ipv4 unicast" in result.commands'
          - '"network 198.51.100.80/28" in result.commands'
          - '"network 203.0.113.192/27" in result.commands'
          - '"no network 198.51.100.48/28" in result.commands'
          - '"no network 203.0.113.160/27" in result.commands'

    - name: Configure networks under address family with operation replace (idempotent)
      iosxr_bgp: *af_net_rplc
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: Override all the exisiting BGP config
      iosxr_bgp:
        operation: override
        config:
          bgp_as: 64497
          router_id: 192.0.2.10
          log_neighbor_changes: True
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'router bgp 64497' in result.commands"
          - "'bgp router-id 192.0.2.10' in result.commands"
          - "'bgp log neighbor changes detail' in result.commands"

    - name: Teardown
      iosxr_bgp: &rm
        operation: delete
      register: result

    - assert:
        that:
          - 'result.changed == true'
          - "'no router bgp 64497' in result.commands"

    - name: Teardown again (idempotent)
      iosxr_bgp: *rm
      register: result

    - assert:
        that:
          - 'result.changed == false'

    - name: delete route-policy configures as prerequisite for BGP configuration (teardown)
      iosxr_config:
        lines: no route-policy RMAP_1

  when: facts['ansible_facts']['ansible_net_version'].split('[')[0] == '6.1.3'

- debug: msg="END iosxr cli/iosxr_bgp.yaml on connection={{ ansible_connection }}"