[IMP]: allow Log level to be changed in runtime.

Export an RPC method and let a simple client change the log level. This
helps when we want to debug the server without restarting it.

bzr revid: p_christ@hol.gr-20090814101822-pu2ed3249b6m30v8

bin/netsvc.py

@@ -193,6 +193,12 @@ class Logger(object):
 		# better ignore the exception and carry on..
 		pass
 
+    def set_loglevel(self, level):
+        log = logging.getLogger()
+        log.setLevel(logging.INFO) # make sure next msg is printed
+        log.info("Log level changed to %s" % logging.getLevelName(level))
+        log.setLevel(level)
+
     def shutdown(self):
         logging.shutdown()
 

bin/service/web_services.py

@@ -375,6 +375,7 @@ class common(netsvc.Service):
         self.exportMethod(self.get_migration_scripts)
         self.exportMethod(self.get_server_environment)
         self.exportMethod(self.login_message)
+        self.exportMethod(self.set_loglevel)
 
     def ir_set(self, db, uid, password, keys, args, name, value, replace=True, isobject=False):
         security.check(db, uid, password)
@@ -561,6 +562,12 @@ GNU Public Licence.
     def login_message(self):
         return tools.config.get('login_message', False)
 
+    def set_loglevel(self, password, loglevel):
+        security.check_super(password)
+        l = netsvc.Logger()
+        l.set_loglevel(int(loglevel))
+        return True
+
 common()
 
 class objects_proxy(netsvc.Service):

change-loglevel.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+ADMIN_PASSWD='admin'
+method_1() {
+	cat '-' << EOF
+<xml>
+<methodCall>
+	<methodName>set_loglevel</methodName>
+	<params>
+		<param><value><string>$ADMIN_PASSWD</string></value>
+		</param>
+		<param>
+		<value><string>$1</string></value>
+		</param>
+	</params>
+</methodCall>
+EOF
+}
+LEVEL=10
+
+if [ -n "$1" ] ; then LEVEL=$1 ; fi
+
+method_1 $LEVEL | POST -c 'text/xml' http://localhost:8069/xmlrpc/common
+#eof