Variable leakage example

var_leak.yml

---
- hosts: all
  gather_facts: no
  connection: local

  vars:
    varname: "from_vars"
    rolevar: "from_vars"

  pre_tasks:
  ## This prints out the value defined in the 'rrr' role vars/main.yml, not the value from vars above which is what should happen
    - debug: msg="In main rolevar {{rolevar}}"

  roles:
    - { role: rrr, varname: "from_params" }

  tasks:
## This evaluates to "from_params" from the role call
    - debug: msg="In main {{varname}}"
## This evaluates to a value only defined in rrr/defaults/main.yml; this should error.
    - debug: msg="In main default var {{default_role_var}}"

    - include: foo.yml
      vars:
        varname: from_params_to_include
## After ANY include, this then evaluates to "from_vars" (this is the expected behavior but should have happened in line 19 too)
    - debug: msg="In main {{varname}}"