add credstash lookup plugin

lib/ansible/plugins/lookup/credstash.py

@@ -0,0 +1,42 @@
+# (c) 2015, Ensighten <infra@ensighten.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 __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from ansible.errors import AnsibleError
+from ansible.plugins.lookup import LookupBase
+
+import credstash
+
+
+class LookupModule(LookupBase):
+    def run(self, terms, variables, **kwargs):
+
+        if isinstance(terms, basestring):
+            terms = [terms]
+
+        ret = []
+        for term in terms:
+            try:
+                val = credstash.getSecret(term, **kwargs)
+            except credstash.ItemNotFound:
+                raise AnsibleError('Key {} not found'.format(term))
+            except Exception as e:
+                raise AnsibleError('Encountered exception while fetching {}: {}'.format(term, e.message))
+            ret.append(val)
+
+        return ret