tst.yml

---
- hosts: Acme1ACI2
  vars:
    p: '{{ tst.ints[1:] | selectattr("device", "eq", dev) | first }}'
  tasks:
    - name: Set ip address
      command: ip addr add {{ p.address }}/{{ p.netmask }} dev {{ dev }}
    - name: Bring interface up
      command: ip l set {{ dev }} up
    - name: Set Jumbo MTU
      command: ip l set {{ dev }} mtu 9000
    - name: Small ping test
      command: ping -q -c 3 -A -M do -s 1472 -I {{ dev }} {{ item }}
      register: reg
      with_list: '{{ ips }}'
    - debug: # The very first ping is allowed to fail for ACI fabric.
        msg: 'Stats:\n{{ reg.results | map(attribute="stdout") | list | to_yaml }}'
    - name: Big async ping test (except legacy net that is not jumbo frame ready yet)
      command: ping -W 1 -q -c 1000 -A -M do -s {% if dev == "legacy0" or item == "192.168.0.1" %} 1472 {% else %} 8972 {% endif %} -I {{ dev }} {{ item }}
      async: 300 # wait max
      poll: 0 # poll period, 0 to not poll at all
      register: sleeper
      with_list: '{{ ips }}'
    - name: Async ping monitor and reporter
      async_status: jid={{ item.ansible_job_id }}
      loop: '{{ sleeper.results }}'
      register: reg
      until: reg.finished # module attribute
      retries: 30 # default 3
      delay: 10 # default 5
    - debug:
        msg: 'Stats:\n{{ reg.results | map(attribute="stdout") | list | to_yaml }}'
    #- set_stats:
    #    data: # BUG: does not aggregate properly bcs values remain string type despite convertion to "| int".
    #      packets_transmitted: '{{ packets.0.split() | first | int }}'
    #      packets_received: '{{ packets.1.split() | first | int }}'
    #      #min/avg/max/mdev from rtt does not aggregate. Parse by ... with filters (TBD).
    #  vars:
    #    packets: '{{ item.stdout_lines.3.split(", ") }}'
    #    rtt: '{{ item.stdout_lines.4.split(" = ").1 }}'
    #  with_list: '{{ reg.results }}'
    #- debug: var=item # BUG! See more in lookup_subelements.yml
    #  with_list: '{{ lookup("subelements", reg.results, "stdout", "skip_missing=True") }}'