error when calling highstate, trying to access a mine from a pillar.

gistfile1.txt

2015-05-10 05:07:23,503 [salt.pillar      ][CRITICAL] Rendering SLS 'dev-pillars' failed, render error:
Jinja error: 'master_uri'
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/salt/utils/templates.py", line 280, in render_jinja_tmpl
    output = template.render(**decoded_context)
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 969, in render
    return self.environment.handle_exception(exc_info, True)
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 742, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "<template>", line 2, in top-level template code
  File "/usr/lib/python2.7/dist-packages/salt/modules/mine.py", line 222, in get
    load['tok'] = _auth().gen_token('salt')
  File "/usr/lib/python2.7/dist-packages/salt/modules/mine.py", line 27, in _auth
    __context__['auth'] = salt.crypt.SAuth(__opts__)
  File "/usr/lib/python2.7/dist-packages/salt/crypt.py", line 811, in __init__
    self.crypticle = self.__authenticate()
  File "/usr/lib/python2.7/dist-packages/salt/crypt.py", line 832, in __authenticate
    self.opts.get('auth_tries', 1)
  File "/usr/lib/python2.7/dist-packages/salt/crypt.py", line 636, in sign_in
    self.opts['master_uri'],
KeyError: 'master_uri'

; line 2

---
database_conn:
    {% for server, addrs in salt['mine.get']('nodetype:infrastructure', 'network.ip_addrs', expr_form='grain') %}    <======================
    host: {{ addrs[0] }}
    {% endfor %}
    port: 3306
    username: test
    password: test
[...]
---
2015-05-10 05:07:23,505 [salt.pillar      ][CRITICAL] Pillar render error: Rendering SLS 'dev-pillars' failed. Please see master log for details.