1 files changed, 35 insertions, 0 deletions
diff --git a/dcae-policy/dcaepolicyplugin/discovery.py b/dcae-policy/dcaepolicyplugin/discovery.py
new file mode 100644
index 0000000..8cdbde1
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+++ b/dcae-policy/dcaepolicyplugin/discovery.py
@@ -0,0 +1,35 @@
+"""client to talk to consul on standard port 8500"""
+
+# ============LICENSE_START=======================================================
+# org.onap.dcae
+# ================================================================================
+# Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# 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.
+# ============LICENSE_END=========================================================
+#
+# ECOMP is a trademark and service mark of AT&T Intellectual Property.
+
+import requests
+
+# it is safe to assume that consul agent is at localhost:8500 along with cloudify manager
+CONSUL_SERVICE_URL = "http://localhost:8500/v1/catalog/service/{0}"
+
+def discover_service_url(service_name):
+    """find the service record in consul"""
+    response = requests.get(CONSUL_SERVICE_URL.format(service_name))
+    response.raise_for_status()
+    resp_json = response.json()
+    if resp_json:
+        service = resp_json[0]
+        return "http://{0}:{1}".format(service["ServiceAddress"], service["ServicePort"])