OOF design framework seed code

Issue-ID: OPTFRA-18
Change-Id: Ib44b06f7184cb49f90d5936edd82cba44068b1c8
Signed-off-by: Sastry Isukapalli <sastry@research.att.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/config/credentials.py b/config/credentials.py
new file mode 100644
index 0000000..e5a6399
--- /dev/null
+++ b/config/credentials.py
@@ -0,0 +1,60 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import json
+
+from osdf import auth_groups, userid_suffix, passwd_suffix
+
+
+def dmaap_creds(dmaap_file="/etc/dcae/dmaap.conf"):
+    """Get DMaaP credentials from DCAE for publish and subscribe"""
+    try:
+        dmaap_creds = _get_dmaap_creds(dmaap_file)
+    except:
+        dmaap_creds = {}
+    return dmaap_creds
+
+
+def _get_dmaap_creds(dmaap_file):
+    """Get DMaaP credentials from DCAE for publish and subscribe"""
+    streams = json.load(open(dmaap_file, 'r'))
+    pubs = [x for x in streams
+            if x['dmaapStreamId'] == 'requests' and x['dmaapAction'] == 'publish']
+    subs = [x for x in streams
+            if x['dmaapStreamId'] == 'responses' and x['dmaapAction'] == 'subscribe']
+
+    def get_dmaap_info(x):
+        """Get DMaaP credentials from dmaap_object 'x'"""
+        return dict(url=x.get('dmaapUrl'), userid=x.get('dmaapUserName'), passwd=x.get('dmaapPassword'))
+
+    return {'pub': get_dmaap_info(pubs[0]), 'sub': get_dmaap_info(subs[0])}
+
+
+def load_credentials(osdf_config):
+    """Get credentials as dictionaries grouped by auth_group (e.g. creds["Placement"]["user1"] = "pass1")"""
+    creds = dict((x, dict()) for x in auth_groups)  # each auth group has userid, passwd dict
+    suffix_start = len(userid_suffix)
+
+    config = osdf_config.deployment
+
+    for element, username in config.items():
+        for x in auth_groups:
+            if element.startswith("osdf" + x) and element.endswith(userid_suffix):
+                passwd = config[element[:-suffix_start] + passwd_suffix]
+                creds[x][username] = passwd
+    return creds