creating yaml dictionary, converting to json and using in uri module causes UnboundLocalError

[j...@rybarski.com]

So I'm able to create the dictionary, and I can convert it to JSON in a debug statement, but when I try to convert it to JSON in the URI module it throws an unhandled exception. What's going on here?

---

- name: testguy

  gather_facts: no

  sudo: no

  hosts: local

  tasks:

  - set_fact:

      stash_json: { text: "some thing" }

  - debug:

      msg: '{{ stash_json | to_json }}'

  - uri: >

      url=http://www.example.com

      method=POST

      body='{{ stash_json | to_json }}'

      return_content=yes

      HEADER_Content-Type="application/json"

$ ansible-playbook -i hosts test.yml

PLAY [test] **************************************************************** 

TASK: [set_fact ] ************************************************************* 

ok: [localhost]

TASK: [debug ] **************************************************************** 

ok: [localhost] => {

    "msg": {

        "text": "some thing"

    }

}

Traceback (most recent call last):

  File "/tmp/jim/env/bin/ansible-playbook", line 269, in <module>

    sys.exit(main(sys.argv[1:]))

  File "/tmp/jim/env/bin/ansible-playbook", line 209, in main

    pb.run()

  File "/tmp/jim/env/local/lib/python2.7/site-packages/ansible/playbook/__init__.py", line 263, in run

    if not self._run_play(play):

  File "/tmp/jim/env/local/lib/python2.7/site-packages/ansible/playbook/__init__.py", line 592, in _run_play

    if not self._run_task(play, task, False):

  File "/tmp/jim/env/local/lib/python2.7/site-packages/ansible/playbook/__init__.py", line 357, in _run_task

    self.callbacks.on_task_start(template(play.basedir, name, task.module_vars, lookup_fatal=False, filter_fatal=False), is_handler)

  File "/tmp/jim/env/local/lib/python2.7/site-packages/ansible/utils/template.py", line 319, in template

    varname = template_from_string(basedir, varname, vars, fail_on_undefined)

  File "/tmp/jim/env/local/lib/python2.7/site-packages/ansible/utils/template.py", line 543, in template_from_string

    return res

UnboundLocalError: local variable 'res' referenced before assignment

[Michael DeHaan]

ansible --version ?

Also not that this means it shouldn't raise an error but, this is easier:

debug: var=stash_json

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[j...@rybarski.com]

ansible 1.4.4

My confusion is that:

 msg: '{{ stash_json | to_json }}'

works just fine, so it's not the to_json filter in and of itself that's causing the bug. It's using it in the uri module (or maybe just the body parameter).

[Michael DeHaan]

Actually, no, the above traceback does not have anything to do with the URI module.

Please make sure there's a github filed on it though as I'd like to understand the cause of it.

Thanks!

[Kahlil Hodgson]

This is a similar stack trace triggered by the same Python syntax
error noted in:

https://github.com/ansible/ansible/issues/5566

Unfortunately the syntax error masks the real issue.

Does it work if you '>' escape the jason string as follows?

- set_fact:
stash_json: >
{ text: "some thing" }

K

Kahlil (Kal) Hodgson GPG: C9A02289
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[Michael DeHaan]

To avoid confusion, this is not escaping.  This is a "folded block", which is a way of inputting data over multiple lines.

http://yaml.org/spec/1.2/spec.html#style/block/folded

--Michael