1 files changed, 90 insertions, 0 deletions
diff --git a/osdf/adapters/aai/fetch_aai_data.py b/osdf/adapters/aai/fetch_aai_data.py
new file mode 100644
index 0000000..170d5e5
--- /dev/null
+++ b/osdf/adapters/aai/fetch_aai_data.py
@@ -0,0 +1,90 @@
+# -------------------------------------------------------------------------
+#   Copyright (C) 2020 Wipro Limited.
+#
+#   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
+import requests
+from requests.auth import HTTPBasicAuth
+from requests import RequestException
+
+from osdf.logging.osdf_logging import debug_log
+
+AAI_HEADERS = {
+    "X-TransactionId": "9999",
+    "X-FromAppId": "OOF",
+    "Accept": "application/json",
+    "Content-Type": "application/json",
+}
+
+AUTH = HTTPBasicAuth("AAI", "AAI")
+
+
+class AAIException(Exception):
+    pass
+
+
+def get_aai_data(request_json, osdf_config):
+
+    """Get the response from AAI
+
+       :param request_json: requestjson
+       :param osdf_config: configuration specific to OSDF app
+       :return:response body from AAI
+    """
+
+    nxi_id = request_json["NxIId"]
+    config = osdf_config.deployment
+    aai_url = config["aaiUrl"]
+    aai_req_url = aai_url + config["aaiServiceInstanceUrl"] + nxi_id + "?depth=2"
+
+    try:
+        debug_log.debug("aai request: {}".format(aai_req_url))
+        response = requests.get(aai_req_url, headers=AAI_HEADERS, auth=AUTH, verify=False)
+        debug_log.debug("aai response: {}".format(response.json()))
+    except RequestException as e:
+        raise AAIException("Request exception was encountered {}".format(e))
+
+    if response.status_code == 200:
+        return response.json()
+    else:
+        raise AAIException("Error response recieved from AAI for the request {}".format(aai_req_url))
+
+
+def execute_dsl_query(query, format, osdf_config):
+    """Get the response from AAI
+
+           :param query: dsl query to be executed
+           :param format format of the output
+           :param osdf_config: configuration specific to OSDF app
+           :return:response body from AAI
+    """
+    config = osdf_config.deployment
+    dsl_url = config["aaiUrl"] + config["dslQueryPath"] + format
+
+    data = json.dumps({'dsl': query})
+    debug_log.debug("aai dsl request: {}".format(data))
+    try:
+        response = requests.put(dsl_url, data=data, headers=AAI_HEADERS, auth=AUTH, verify=False)
+        debug_log.debug("aai dsl response: {}".format(response))
+    except RequestException as ex:
+        raise AAIException("Request exception was encountered {}".format(ex))
+
+    if response.status_code == 200:
+        return response.json()
+    else:
+        raise AAIException("Response code other than 200 from AAI: {} {}".format(response.status_code,
+                                                                                 response.content))