Add config example for rotating logs

Add examples for logging.conf and wf_trace_logging.conf to setup rotating logs
for mistral.log and mistral_wf_trace.log.

Change-Id: I85be48f2e98f5b7e9b8dbc339fa8de2dd7e78449
Implements: blueprint mistral-conf-rotating-log

etc/logging.conf.sample.rotating

@@ -0,0 +1,32 @@
+[loggers]
+keys=root
+
+[handlers]
+keys=consoleHandler, fileHandler
+
+[formatters]
+keys=verboseFormatter, simpleFormatter
+
+[logger_root]
+level=DEBUG
+handlers=consoleHandler, fileHandler
+
+[handler_consoleHandler]
+class=StreamHandler
+level=INFO
+formatter=simpleFormatter
+args=(sys.stdout,)
+
+[handler_fileHandler]
+class=logging.handlers.RotatingFileHandler
+level=INFO
+formatter=verboseFormatter
+args=("/var/log/mistral.log", "a", 10485760, 5)
+
+[formatter_verboseFormatter]
+format=%(asctime)s %(thread)s %(levelname)s %(module)s [-] %(message)s
+datefmt=
+
+[formatter_simpleFormatter]
+format=%(asctime)s %(levelname)s [-] %(message)s
+datefmt=

etc/wf_trace_logging.conf.sample.rotating

@@ -0,0 +1,47 @@
+[loggers]
+keys=workflow_trace,root
+
+[handlers]
+keys=consoleHandler, wfTraceFileHandler, fileHandler
+
+[formatters]
+keys=wfFormatter, simpleFormatter, verboseFormatter
+
+[logger_workflow_trace]
+level=INFO
+handlers=consoleHandler, wfTraceFileHandler
+qualname=workflow_trace
+
+[logger_root]
+level=INFO
+handlers=fileHandler
+
+[handler_fileHandler]
+class=logging.handlers.RotatingFileHandler
+level=INFO
+formatter=verboseFormatter
+args=("/var/log/mistral.log", "a", 10485760, 5)
+
+[handler_consoleHandler]
+class=StreamHandler
+level=INFO
+formatter=simpleFormatter
+args=(sys.stdout,)
+
+[handler_wfTraceFileHandler]
+class=logging.handlers.RotatingFileHandler
+level=INFO
+formatter=wfFormatter
+args=("/var/log/mistral_wf_trace.log", "a", 10485760, 5)
+
+[formatter_verboseFormatter]
+format=%(asctime)s %(thread)s %(levelname)s %(module)s [-] %(message)s
+datefmt=
+
+[formatter_simpleFormatter]
+format=%(asctime)s %(levelname)s [-] %(message)s
+datefmt=
+
+[formatter_wfFormatter]
+format=%(asctime)s WF [-] %(message)s
+datefmt=