Looping examples in jinja2

jinja2_looping.j2

#jinja2: lstrip_blocks: True

{% set vlans_per_ifl = 10 %}

{% for ifd, int in host.uplinks.items() %}
{{ ifd }} {
    description "{{ int.description }}";
    apply-groups-except interface-properties;
    vlan-tagging;
    mtu 9432;
    encapsulation flexible-ethernet-services;
    {% for count in range(1,vlans_per_ifl + 1) %}
    unit {{ count + 100 }} {        
        encapsulation vlan-ccc;
         vlan-id {{ count + 100 }}
    }
    {% endfor %}
{% endfor %}

router.yml

host:
  management:
    ip: 10.10.10.1
    mask: 24
    description: "Management Interface" 
  loopback:
    ip: 5.5.5.1
    mask: 32
  uplinks:
    em1:
      ip: 172.16.0.0
      mask: 31
      description: "From router1 to router2"
    em2: 
      ip: 172.168.0.1
      mask: 31
      description: "From router2 to router3"
  iso_address: "47.0005.80bb.f800.0000.0001.0001.0000.0000.2509.00"
  router_id: 192.168.0.1