ai ajouté un mécanisme (peu blindé mais qui fonctionne) qui permet d'ajouter ou d'enlever des machines du controle de ClusterController via un serveur http (pour la première fois, on peut interagir avec le daemon ClusterController)

ClusterController/ClusterController.py

@@ -11,6 +11,7 @@ from Log import *
 from ClusterNodeStatusUpdater import *
 from SunGridEngine import SunGridEngine
 import Util
+from WebServer import WebServerThread
 
 from HTMLParser import HTMLParser
 
@@ -77,9 +78,10 @@ class ClusterController:
 		self.m_lastEnergyStatusLogTime = None
 		self.DELAY_BETWEEN_ENERGY_STATUS_LOGS = 60 # in seconds
 		self.m_iSessionId = None # session (run) identifier in database
+		self.m_webServer = WebServerThread(self)
 		
 	def getClusterStatus( self ):
-		return m_clusterStatus
+		return self.m_clusterStatus
 		
 	def log( self, message ):
 		print message
@@ -220,7 +222,12 @@ class ClusterController:
 		conn.query(sqlCommand)	
 		
 		conn.close()
-		
+	
+	def setControlOnMachine(self, machineName, bControl):
+		"""
+			adds or removes the control of ClusterController on the given machine 
+		"""	
+		self.m_clusterStatus.setControlOnMachine(machineName, bControl)
 	
 	def run( self ):
 		"""
@@ -229,6 +236,7 @@ class ClusterController:
 		log("storeSessionInDatabase completed")
 		DELAY_BETWEEN_MEASURES = 10 # in seconds
 		self.m_clusterStatus.startReadingThreads()
+		self.m_webServer.start()
 		while not self.m_clusterStatus.isReady():
 			log('waiting for system to be ready')
 			time.sleep(1)

ClusterController/ClusterStatus.py

@@ -17,8 +17,8 @@ class ClusterStatus:
 		self.m_lock = threading.Lock() # to prevent concurrent access to this instance
 		self.m_jobsStateUpdater = JobsStateUpdater( self )
 		self.m_jobsState = None
-		self.m_controlledMachineNames = [ 'simpatix30' ]
-		#self.m_controlledMachineNames = [] # [ 'simpatix30' ]
+		#self.m_controlledMachineNames = [ 'simpatix30' ]
+		self.m_controlledMachineNames = [] # [ 'simpatix30' ]
 		if False:
 			for iMachine in range(11, 40):
 				if (iMachine == 31) or (iMachine == 32):
@@ -36,6 +36,27 @@ class ClusterStatus:
 				self.m_clusterNodes[ nodeName ] = clusterNode
 		return
 	
+	
+	def setControlOnMachine(self, machineName, bControl):
+		if bControl:
+			# add machineName under control of ClusterController
+			for k, v in self.m_clusterNodes.iteritems():
+				if v.getName() == machineName :
+					return # nothing to do : machineName is already under the control of ClusterController
+
+			clusterNode = ClusterNode( machineName, self, self.m_gridEngine )
+			if machineName == 'simpatix10':
+				clusterNode.setShouldAlwaysBeOn()
+			self.m_clusterNodes[ machineName ] = clusterNode
+			clusterNode.m_machineStatusUpdater.start()			
+		else:
+			# remove machineName from control of ClusterController
+			clusterNode = self.m_clusterNodes.get(machineName)
+			if clusterNode:
+				clusterNode.m_machineStatusUpdater.m_bStop = True
+				clusterNode.m_machineStatusUpdater.join()
+				self.m_clusterNodes.pop(machineName)
+								
 	def getGridEngine( self ):
 		return self.m_gridEngine
 	

ClusterController/WebServer.py

@@ -0,0 +1,97 @@
+#Copyright Jon Berg , turtlemeat.com
+
+import string,cgi,time
+from os import curdir, sep
+from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
+import threading
+import Util
+#import pri
+from urlparse import urlparse, parse_qs
+#>>> url = 'http://example.com/?foo=bar&one=1'
+#>>> parse_qs(urlparse(url).query)
+#{'foo': ['bar'], 'one': ['1']}
+
+
+class MyHandler(BaseHTTPRequestHandler):
+
+    def do_GET(self):
+        try:
+            paramsDict=parse_qs(urlparse(self.path).query)
+            if self.path.endswith(".html"):
+                f = open(curdir + sep + self.path) #self.path has /test.html
+#note that this potentially makes every file on your computer readable by the internet
+
+                self.send_response(200)
+                self.send_header('Content-type',	'text/html')
+                self.end_headers()
+                self.wfile.write(f.read())
+                f.close()
+                return
+            if self.path.endswith(".esp"):   #our dynamic content
+                self.send_response(200)
+                self.send_header('Content-type',	'text/html')
+                self.end_headers()
+                self.wfile.write("hey, today is the" + str(time.localtime()[7]))
+                self.wfile.write(" day in the year " + str(time.localtime()[0]))
+                return
+            if self.path.endswith("ShowControlledMachines"):   #http://simpatix10.univ-rennes1.fr:8080/ShowControlledMachines
+                self.send_response(200)
+                self.send_header('Content-type',    'text/html')
+                self.end_headers()
+                self.wfile.write("hey, today is the" + str(time.localtime()[7]))
+                self.wfile.write(" day in the year " + str(time.localtime()[0]))
+                for machine in self.server.m_clusterController.m_clusterStatus.m_clusterNodes.itervalues():
+                    self.wfile.write("%s is controlled by ClusterController" % machine.getName())
+                return
+            if urlparse(self.path).path == '/SetControlOnMachine': #http://simpatix10.univ-rennes1.fr:8080/SetControlOnMachine?machineName=simpatix30&control=1
+                machineName = paramsDict['machineName'][0]
+                bControl = (paramsDict['control'][0] == '1')
+                self.server.m_clusterController.setControlOnMachine(machineName, bControl)
+                self.send_response(200)
+                self.send_header('Content-type',    'text/html')
+                self.end_headers()
+                if bControl == True:
+                    self.wfile.write("%s is now controlled by ClusterController" % machineName) 
+                else:
+                    self.wfile.write("%s is no longer controlled by ClusterController" % machineName) 
+                return
+                
+            return
+                
+        except IOError:
+            self.send_error(404,'File Not Found: %s' % self.path)
+     
+
+    def do_POST(self):
+        global rootnode
+        try:
+            ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
+            if ctype == 'multipart/form-data':
+                query=cgi.parse_multipart(self.rfile, pdict)
+            self.send_response(301)
+            
+            self.end_headers()
+            upfilecontent = query.get('upfile')
+            print "filecontent", upfilecontent[0]
+            self.wfile.write("<HTML>POST OK.<BR><BR>");
+            self.wfile.write(upfilecontent[0]);
+            
+        except :
+            pass
+
+class WebServerThread( threading.Thread ):    
+    def __init__( self, clusterController ):
+        threading.Thread.__init__(self)
+        #self.m_clusterController = clusterController
+        self.m_bStop = False
+        self.m_httpServer = HTTPServer(('', 8080), MyHandler)
+        self.m_httpServer.m_clusterController = clusterController
+    def run( self ):
+        try:
+            while not self.m_bStop:
+                self.m_httpServer.handle_request()
+            #self.m_httpServer.serve_forever()            
+        except BaseException, exception: # catches all exceptions, including the ctrl+C (KeyboardInterrupt)
+            self.m_httpServer.socket.close()
+            Util.onException(exception)
+