Add code for sanity coverage

Change-Id: I112e92f982882e8f2a8b5f1cbd262f21270424c1

sysinv/sysinv/sysinv/sysinv/cmd/agent.py

@@ -30,11 +30,14 @@ from sysinv.openstack.common import service
 
 from sysinv.common import service as sysinv_service
 from sysinv.agent import manager
+from sysinv import sanity_coverage
 
 CONF = cfg.CONF
 
 
 def main():
+    if sanity_coverage.flag_file_exists():
+        sanity_coverage.start()
     # Parse config file and command line options, then start logging
     sysinv_service.prepare_service(sys.argv)
 

sysinv/sysinv/sysinv/sysinv/cmd/api.py

@@ -26,6 +26,7 @@ from oslo_config import cfg
 from oslo_log import log
 from sysinv.common import service as sysinv_service
 from sysinv.common import wsgi_service
+from sysinv import sanity_coverage
 
 LOG = log.getLogger(__name__)
 CONF = cfg.CONF
@@ -62,6 +63,8 @@ def sysinv_pxe():
 
 
 def main():
+    if sanity_coverage.flag_file_exists():
+        sanity_coverage.start()
     # Parse config file and command line options
     sysinv_service.prepare_service(sys.argv)
 

sysinv/sysinv/sysinv/sysinv/cmd/conductor.py

@@ -30,11 +30,14 @@ from sysinv.openstack.common import service
 
 from sysinv.common import service as sysinv_service
 from sysinv.conductor import manager
+from sysinv import sanity_coverage
 
 CONF = cfg.CONF
 
 
 def main():
+    if sanity_coverage.flag_file_exists():
+        sanity_coverage.start()
     # Pase config file and command line options, then start logging
     sysinv_service.prepare_service(sys.argv)
 

sysinv/sysinv/sysinv/sysinv/sanity_coverage.py

@@ -0,0 +1,47 @@
+# 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.
+#
+# Copyright (c) 2018 Wind River Systems, Inc.
+#
+# The right to copy, distribute, modify, or otherwise make use
+# of this software may be licensed only pursuant to the terms
+# of an applicable Wind River license agreement.
+#
+
+from coverage import Coverage
+import os
+import signal
+
+flag_file = "/etc/coverage/sysinv/flag"
+cov = None
+
+
+def signal_handler(signum, frame):
+    cov.stop()
+    cov.save()
+
+
+def register_handler(signum=signal.SIGUSR1):
+    signal.signal(signum, signal_handler)
+
+
+def flag_file_exists():
+    return os.path.isfile(flag_file)
+
+
+def start():
+    global cov
+    cov = Coverage(config_file=flag_file)
+    register_handler()
+    cov.erase()
+    cov.start()