---
- name: GET
  hosts: fw
  roles:
  - Juniper.junos
  connection: local
  gather_facts: no

  # Execute tasks (plays) this way "ansible-playbook <path>/GET.yml --tags <tag-name>"
  tasks:
  # Check if a device is NETCONF-aware
  - name: CHECK-NETCONF
    tags: check-netconf
    wait_for: host="{{ inventory_hostname }}" port="{{ juniper_port }}"

### WEB ### junos-ansible-modules.readthedocs.org/en/1.3.1/
### JUNOS_GET_FACTS SECTION
  # Get information about a device (model, active software version, serial number) and show as ansible output
  - name: GET-MODEL
    tags: get-model
    junos_get_facts: host="{{ inventory_hostname }}" user="{{ juniper_user }}" port="{{ juniper_port }}"
     savedir="/opt/juniper/"
    register: junos
  - name: SHOW VARS
    tags: get-model
    debug: msg="MODEL {{ junos.facts.model }} | SOFTWARE {{ junos.facts.version }} | S/N {{ junos.facts.serialnumber }}"

### JUNOS_GET_CONFIG SECTION
  # Execute "show configuration system" and save output to a file
  - name: GET-CONFIG-SYSTEM
    tags: get-config-system
    junos_get_config: host="{{ inventory_hostname }}" user="{{ juniper_user }}" port="{{ juniper_port }}"
     format=text
     dest="/opt/juniper/{{ inventory_hostname }}_get-config-system.output"
     filter=system

### JUNOS_CLI SECTION
  # Get list of interfaces and save output to a file
  - name: GET-INTERFACES
    tags: get-interfaces
    junos_cli: host="{{ inventory_hostname }}" user="{{ juniper_user }}" port="{{ juniper_port }}"
     dest="/opt/juniper/{{ inventory_hostname }}_get-interfaces.output"
     cli="show interfaces terse"

### EOF ###



I get following error:

funabashi@vps:/etc/ansible/roles/Juniper.junos/library$ sudo ansible-playbook GET.yml -l fw -u ansible -k -t get-config-system
SSH password:

PLAY [GET] ******************************************************************************************************************************************************************************************

TASK [GET-CONFIG-SYSTEM] ****************************************************************************************************************************************************************************
fatal: [212.37.x.x]: FAILED! => {"failed": true, "msg": "the field 'args' has an invalid value, which appears to include a variable that is undefined. The error was: 'juniper_user' is undefined\n\nThe error appears to have been in '/etc/ansible/roles/Juniper.junos/library/GET.yml': line 30, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n  # Execute \"show configuration system\" and save output to a file\n  - name: GET-CONFIG-SYSTEM\n    ^ here\n"}
        to retry, use: --limit @/etc/ansible/roles/Juniper.junos/library/GET.retry

PLAY RECAP ******************************************************************************************************************************************************************************************
212.37.x.x             : ok=0    changed=0    unreachable=0    failed=1

funabashin@vps:/etc/ansible/roles/Juniper.junos/library$