### my state file:
{%- set testString1 ='test string to append' -%}

  {%- if 'dmz' in pillar['tags']   -%}
      {%- set testString2 ='dmzX' -%}
  {%- endif -%}



salt-managed-file-append:
  file.append:
    - name: /root/test_tags
    - template: jinja
    - text:
      - {{ testString1 }}
      {% if testString2 is defined %}
      - {{ testString2 }}
      {% endif %}



### ERROR:   ============================


Data failed to compile:
----------
    Rendering SLS app.admin_tests.touch_salt failed, render error: Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/salt/utils/templates.py", line 79, in render_tmpl
    output = render_str(tmplstr, context, tmplpath)
  File "/usr/lib/python2.6/site-packages/salt/utils/templates.py", line 157, in render_jinja_tmpl
    output = jinja_env.from_string(tmplstr).render(**unicode_context)
  File "/usr/lib64/python2.6/site-packages/jinja2/environment.py", line 669, in render
    return self.environment.handle_exception(exc_info, True)
  File "<template>", line 51, in top-level template code
UnboundLocalError: local variable 'l_testString2' referenced before assignment

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/salt/state.py", line 1944, in render_state
    rendered_sls=mods
  File "/usr/lib/python2.6/site-packages/salt/template.py", line 69, in compile_template
    ret = render(input_data, env, sls, **render_kwargs)
  File "/usr/lib/python2.6/site-packages/salt/renderers/jinja.py", line 42, in render
    tmp_data.get('data', 'Unknown render error in jinja renderer')
SaltRenderError: Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/salt/utils/templates.py", line 79, in render_tmpl
    output = render_str(tmplstr, context, tmplpath)
  File "/usr/lib/python2.6/site-packages/salt/utils/templates.py", line 157, in render_jinja_tmpl
    output = jinja_env.from_string(tmplstr).render(**unicode_context)
  File "/usr/lib64/python2.6/site-packages/jinja2/environment.py", line 669, in render
    return self.environment.handle_exception(exc_info, True)
  File "<template>", line 51, in top-level template code
UnboundLocalError: local variable 'l_testString2' referenced before assignment