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authoralex_sh <alexs@att.com>2017-08-23 17:30:56 -0400
committeralex_sh <alexs@att.com>2017-08-23 17:59:20 -0400
commit9d980ce62d1f12d1e3fba48efb50398b8b95272a (patch)
treebbd0651db6ecb86bbdbae8594f00c5d37e0b30cf /policyhandler/policy_handler.py
parent52b336b9a7c8b85460040bf56e4ad4d3e225ffd2 (diff)
policy-handler seed code
Change-Id: I35cd80b6e082f4b84740bab752774e8abc40ca35 Issue-Id: DCAEGEN2-46 Signed-off-by: Alex Shatov <alexs@att.com>
Diffstat (limited to 'policyhandler/policy_handler.py')
-rw-r--r--policyhandler/policy_handler.py87
1 files changed, 87 insertions, 0 deletions
diff --git a/policyhandler/policy_handler.py b/policyhandler/policy_handler.py
new file mode 100644
index 0000000..10633cd
--- /dev/null
+++ b/policyhandler/policy_handler.py
@@ -0,0 +1,87 @@
+"""run as server: python -m policyhandler/policy_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 sys
+import logging
+
+from policyhandler.config import Config
+from policyhandler.onap.audit import Audit
+from policyhandler.web_server import PolicyWeb
+from policyhandler.policy_engine import PolicyEngineClient
+
+class LogWriter(object):
+ """redirect the standard out + err to the logger"""
+ def __init__(self, logger_func):
+ self.logger_func = logger_func
+
+ def write(self, log_line):
+ """actual writer to be used in place of stdout or stderr"""
+ log_line = log_line.rstrip()
+ if log_line:
+ self.logger_func(log_line)
+
+ def flush(self):
+ """no real flushing of the buffer"""
+ pass
+
+def run_policy_handler():
+ """main run function for policy-handler"""
+ Config.load_from_file()
+ Config.discover()
+
+ logger = logging.getLogger("policy_handler")
+ sys.stdout = LogWriter(logger.info)
+ sys.stderr = LogWriter(logger.error)
+
+ logger.info("========== run_policy_handler ==========")
+ Audit.init(Config.get_system_name(), Config.LOGGER_CONFIG_FILE_PATH)
+
+ logger.info("starting policy_handler with config:")
+ logger.info(Audit.log_json_dumps(Config.config))
+
+ PolicyEngineClient.run()
+ PolicyWeb.run()
+
+def upload_config_to_discovery():
+ """read the config from file and upload it to discovery"""
+ logger = logging.getLogger("policy_handler")
+ sys.stdout = LogWriter(logger.info)
+ sys.stderr = LogWriter(logger.error)
+
+ Config.load_from_file()
+
+ if not Config.load_from_file(Config.UPLOAD_CONFIG_FILE_PATH):
+ logger.info("not found config %s", Config.UPLOAD_CONFIG_FILE_PATH)
+ return
+
+ logger.info("========== upload_config_to_discovery ==========")
+ Config.upload_to_discovery()
+
+ logger.info("========== upload_config_to_discovery - get it back ==========")
+ Config.config = None
+ Config.load_from_file()
+ Config.discover()
+ logger.info("========== upload_config_to_discovery - done ==========")
+ return True
+
+if __name__ == "__main__":
+ if not upload_config_to_discovery():
+ run_policy_handler()