pb.check.underlay.yaml

- name: Checking Underlay health
  hosts: [spine,leaf]
  connection: local
  gather_facts: no
  pre_tasks:
    - include_vars: "{{ topology_file }}"
  vars:
    credential:
      host: "{{ ansible_ssh_host }}"
      port: "{{ netconf_port }}"
      username: "{{ ansible_ssh_user }}"
      password: "{{ ansible_ssh_pass }}"
  roles:
    - Juniper.junos
  tasks:

##################################################################
## Check Connectivity between Underlay peers
##    Ping are crafted with source and dest IP and TTL one to make
##    sure they don't get routed on the fabric
##################################################################
    - name: "Check Connectivity using Ping (galaxy/junos_ping)"
      junos_ping:
        host: "{{ ansible_ssh_host }}"
        port: "{{ netconf_port }}"
        user: "{{ ansible_ssh_user }}"
        passwd: "{{ ansible_ssh_pass }}"
        dest_ip: "{{ item.peer_ip }}"
        source_ip: "{{ item.local_ip }}"
        interface: "{{ item.interface }}"
        ttl: 1
      with_items: "{{ underlay.neighbors }}"

##################################################################
## Check if all Underlay BGP peers are in Established status
##################################################################
    - name: "Check BGP Peer Status (core/junos_command)"
      junos_command:
        commands:
          - "show bgp neighbor {{ item.peer_ip }}"
        provider: "{{ credential }}"
        waitfor:
          - "result[0]['bgp-information']['bgp-peer']['peer-state'] eq Established"
      with_items: "{{ underlay.neighbors }}"

###########################################################################
######## LEAF ONLY
###########################################################################
###########################################################################
## Check Connectivity between Underlay Leafs (any to any)
##    For each other leaf, pings are sent across all spines with TTL 2
##
###########################################################################
- name: Checking Underlay health cont - Leaf Only
  hosts: [leaf]
  connection: local
  gather_facts: no
  pre_tasks:
    - include_vars: "{{ topology_file }}"
  roles:
    - Juniper.junos
  tasks:
    - name: "Check connectivity ANY2ANY between Leaf (galaxy/junos_ping)"
      junos_ping:
        host: "{{ ansible_ssh_host }}"
        port: "{{ netconf_port }}"
        user: "{{ ansible_ssh_user }}"
        passwd: "{{ ansible_ssh_pass }}"
        interface: "{{ item[0].interface }}"
        dest_ip: "{{ hostvars[item[1]].loopback_ip }}"
        source_ip: "{{ loopback_ip }}"
        ttl: 2
      with_nested:
        - "{{ underlay.neighbors }}"
        - "{{ groups['leaf'] }}"