Double loop Ansible

I have an object like that

objs:
    - { key1: value1, key2: [value2, value3] }
    - { key1: value4, key2: [value5, value6] }

And I'd like to create the following files

value1/value2
value1/value3
value4/value5
value4/value6

but I have no idea how to do a double loop using with_items

Take a look at with_subelements in Ansible's docs for loops.

1. You need to create directories:
2. Iterate though objs and create files:

Here is an example:

---

- hosts: localhost
  gather_facts: no
  vars:
    objs:
      - { key1: value1, key2: [ value2, value3] }
      - { key1: value4, key2: [ value5, value6] }
  tasks:
    - name: create directories
      file: path="{{ item.key1 }}"  state=directory
      with_items:
        objs

    - name: create files
      file: path="{{ item.0.key1 }}/{{ item.1 }}"  state=touch
      with_subelements:
        - objs
        - key2

An output is pretty self explanatory, the second loop iterates through the values the way you need it:

PLAY [localhost] ************************************************************** 

TASK: [create files] ********************************************************** 
changed: [localhost] => (item={'key2': ['value2', 'value3'], 'key1': 'value1'})
changed: [localhost] => (item={'key2': ['value5', 'value6'], 'key1': 'value4'})

TASK: [create files] ********************************************************** 
changed: [localhost] => (item=({'key1': 'value1'}, 'value2'))
changed: [localhost] => (item=({'key1': 'value1'}, 'value3'))
changed: [localhost] => (item=({'key1': 'value4'}, 'value5'))
changed: [localhost] => (item=({'key1': 'value4'}, 'value6'))

PLAY RECAP ******************************************************************** 
localhost                  : ok=2    changed=2    unreachable=0    failed=0