added url lookup plugin

lib/ansible/runner/lookup_plugins/url.py

+# (c) 2015, Brian Coca <bcoca@ansible.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+from ansible import utils
+import urllib2
+
+class LookupModule(object):
+
+    def __init__(self, basedir=None, **kwargs):
+        self.basedir = basedir
+
+    def run(self, terms, inject=None, **kwargs):
+
+        terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject)
+
+        if isinstance(terms, basestring):
+            terms = [ terms ]
+
+        ret = []
+        for term in terms:
+            try:
+                r = urllib2.Request(term)
+                response = urllib2.urlopen(r)
+            except URLError, e:
+                utils.warnings("Failed lookup url for %s : %s" % (term, str(e)))
+                continue
+            except HTTPError, e:
+                utils.warnings("Recieved HTTP error for %s : %s" % (term, str(e)))
+                continue
+
+            for line in response.read().splitlines():
+                ret.append(line)
+
+        return ret