assemble_and_commit.p.yaml

# This task merges all the configuration fragments into one file
# In this example it merges the common.conf.part and main.conf.part
# into the junos.conf file.
# If merging the files results in a new file being created then a handler
# is triggered to push the config onto the device. See ./handler/main.yaml
# for more information
- name: Apply configuration
  hosts: all
  connection: local
  gather_facts: no
  tasks:
    - name: assembling configfurations
      assemble: src={{ build_dir }} dest={{ junos_conf }}
      # This notify triggers the handler. It looks for a handler with this name
      notify:
        - Pushing config ... please wait

# This handler (i.e. a task triggered by a notify) uses the 
# junos_install_config module to apply the configuration to the device
  handlers:
    - name: Pushing config ... please wait
      junos_template:
        host: "{{ inventory_hostname }}"
        port: "{{ netconf_port }}"
        username: jnpr
        password: pass123
        src: "{{ junos_conf }}"
        action: overwrite