policy-handler seed code
Change-Id: I35cd80b6e082f4b84740bab752774e8abc40ca35
Issue-Id: DCAEGEN2-46
Signed-off-by: Alex Shatov <alexs@att.com>
diff --git a/policyhandler/deploy_handler.py b/policyhandler/deploy_handler.py
new file mode 100644
index 0000000..02807f8
--- /dev/null
+++ b/policyhandler/deploy_handler.py
@@ -0,0 +1,88 @@
+""" send notification to deploy-handler"""
+
+# 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 logging
+import json
+import requests
+
+from .config import Config
+from .discovery import DiscoveryClient
+from .onap.audit import REQUEST_X_ECOMP_REQUESTID, Audit, AuditHttpCode
+
+class DeployHandler(object):
+ """ deploy-handler """
+ _logger = logging.getLogger("policy_handler.deploy_handler")
+ _policy_update = '/policy_update'
+ _lazy_inited = False
+ _config = None
+ _url = None
+ _path = None
+ _target_entity = None
+
+ @staticmethod
+ def _lazy_init():
+ """ set static properties """
+ if DeployHandler._lazy_inited:
+ return
+ DeployHandler._lazy_inited = True
+ DeployHandler._target_entity = Config.config["deploy_handler"]
+ DeployHandler._url = DiscoveryClient.get_service_url(DeployHandler._target_entity)
+ DeployHandler._path = DeployHandler._url + DeployHandler._policy_update
+ DeployHandler._logger.info("DeployHandler url(%s)", DeployHandler._url)
+
+ @staticmethod
+ def policy_update(audit, latest_policies):
+ """ post policy_updated message to deploy-handler """
+ DeployHandler._lazy_init()
+ msg = {"latest_policies":latest_policies}
+ sub_aud = Audit(aud_parent=audit, targetEntity=DeployHandler._target_entity, \
+ targetServiceName=DeployHandler._path)
+ headers = {REQUEST_X_ECOMP_REQUESTID : sub_aud.request_id}
+
+ msg_str = json.dumps(msg)
+ headers_str = json.dumps(headers)
+
+ log_line = "post to deployment-handler {0} msg={1} headers={2}".format(\
+ DeployHandler._path, msg_str, headers_str)
+ sub_aud.metrics_start(log_line)
+ DeployHandler._logger.info(log_line)
+
+ res = None
+ try:
+ res = requests.post(DeployHandler._path, json=msg, headers=headers)
+ except requests.exceptions.RequestException as ex:
+ error_msg = "failed to post to deployment-handler {0} {1} msg={2} headers={3}" \
+ .format(DeployHandler._path, str(ex), msg_str, headers_str)
+ DeployHandler._logger.exception(error_msg)
+ sub_aud.set_http_status_code(AuditHttpCode.SERVICE_UNAVAILABLE_ERROR.value)
+ audit.set_http_status_code(AuditHttpCode.SERVICE_UNAVAILABLE_ERROR.value)
+ sub_aud.metrics(error_msg)
+ return
+
+ sub_aud.set_http_status_code(res.status_code)
+ audit.set_http_status_code(res.status_code)
+
+ sub_aud.metrics( \
+ "response from deployment-handler to post {0}: {1} msg={2} text={3} headers={4}" \
+ .format(DeployHandler._path, res.status_code, msg_str, res.text, res.request.headers))
+
+ if res.status_code == requests.codes.ok:
+ return res.json()