def connectToClusterServer(self, certificatePath, clusterServerIP,
clusterServerListenningPort,
statusDBUpdateInterval):
"""
Establishes a connection with the cluster server.
Args:
certificatePath: the server.crt and server.key directory path.
clusterServerIP: the cluster server's IPv4 address
clusterServerListenningPort: the cluster server's listenning port.
statusDBUpdateInterval: the status database update interval (in seconds)
Returns:
Nothing
"""
self.__manager = NetworkManager(certificatePath)
self.__manager.startNetworkService()
callback = _ClusterServerEndpointCallback(self)
# Connect to the main server
self.__clusterServerIP = clusterServerIP
self.__clusterServerPort = clusterServerListenningPort
self.__manager.connectTo(clusterServerIP, clusterServerListenningPort,
5, callback, True)
while (not self.__manager.isConnectionReady(
clusterServerIP, clusterServerListenningPort)):
sleep(0.1)
# Create the packet handler
self.__pHandler = ClusterServerPacketHandler(self.__manager)
# Create the update thread
self.__updateRequestThread = StatusDatabaseUpdateThread(
_ClusterServerEndpointUpdateHandler(self), statusDBUpdateInterval)
# Start it
self.__updateRequestThread.start()
def connectToClusterServer(self, useSSL, certificatePath, clusterServerIP,
clusterServerListenningPort,
statusDBUpdateInterval, commandTimeout,
commandTimeoutCheckInterval):
"""
Establishes a connection with the cluster server
Args:
certificatePath: the directory where the server.crt and server.key files are
clusterServerIP: the cluster server's IP address
clusterServerListenningPort: the cluster server commands connection's port
statusDBUpdateInterval: the database update interval (in seconds)
Returns:
Nothing
"""
self.__networkManager = NetworkManager(certificatePath)
self.__networkManager.startNetworkService()
self.__clusterServerIP = clusterServerIP
self.__clusterServerPort = clusterServerListenningPort
self.__packetHandler = ClusterServerPacketHandler(
self.__networkManager)
self.__commandsProcessor = CommandsProcessor(
self.__commandsHandler, self.__packetHandler,
self.__networkManager, self.__clusterServerIP,
self.__clusterServerPort, self.__commandsDBConnector,
self.__endpointDBConnector)
packetReactor = ClusterEndpointPacketReactor(
self.__codeTranslator, self.__commandsHandler,
self.__packetHandler, self.__commandsProcessor,
self.__endpointDBConnector, self.__commandsDBConnector)
try:
self.__networkManager.connectTo(clusterServerIP,
clusterServerListenningPort, 5,
packetReactor, useSSL)
while (not self.__networkManager.isConnectionReady(
clusterServerIP, clusterServerListenningPort)):
sleep(0.1)
self.__updateRequestThread = VMServerMonitoringThread(
self.__packetHandler, self.__networkManager,
self.__commandsProcessor, self.__clusterServerIP,
self.__clusterServerPort, statusDBUpdateInterval)
self.__updateRequestThread.start()
self.__commandExecutionThread = CommandsMonitoringThread(
self.__commandsDBConnector, commandTimeout,
self.__commandsHandler, commandTimeoutCheckInterval)
self.__commandExecutionThread.start()
except NetworkManagerException as e:
raise Exception(e.message)
def connectToClusterServer(self, certificatePath, clusterServerIP,
clusterServerListenningPort,
statusDBUpdateInterval, commandTimeout,
commandTimeoutCheckInterval):
"""
Establece la conexión con el servidor de cluster
Argumentos:
certificatePath: la ruta del directorio con los ficheros server.crt y server.key.
clusterServerIP: la IP del servidor de cluster
clusterServerListenningPort: el puerto en el que escucha el servidor de cluster
statusDBUpdateInterval: el periodo de actualización de la base de datos (en segundos)
Devuelve:
Nada
Lanza:
EnpointException: se lanza cuando no se puede establecer una conexión con el servidor web
"""
self.__manager = NetworkManager(certificatePath)
self.__manager.startNetworkService()
callback = _ClusterServerEndpointCallback(self)
# Establecer la conexión
self.__clusterServerIP = clusterServerIP
self.__clusterServerPort = clusterServerListenningPort
try:
self.__manager.connectTo(clusterServerIP,
clusterServerListenningPort, 5, callback,
True)
while (not self.__manager.isConnectionReady(
clusterServerIP, clusterServerListenningPort)):
sleep(0.1)
# TODO: si esto falla, terminar.
# Preparar la recepción de paquetes y la actualización automática de la base de datos de estado
self.__repositoryPacketHandler = ClusterServerPacketHandler(
self.__manager)
self.__updateRequestThread = VMServerMonitoringThread(
_ClusterServerEndpointUpdateHandler(self),
statusDBUpdateInterval)
self.__updateRequestThread.start()
self.__commandMonitoringThread = CommandMonitoringThread(
self.__commandsDBConnector, commandTimeout,
commandTimeoutCheckInterval)
self.__commandMonitoringThread.start()
except NetworkManagerException as e:
raise EndpointException(e.message)
def startListenning(self, certificatePath, port):
"""
Starts the network service and creates a server connection.
Args:
certificatePath: the server.crt and server.key files path
port: the listenning port
Returns:
Nothing
"""
self.__loadBalancer = SimpleLoadBalancer(self.__dbConnector)
self.__networkManager = NetworkManager(certificatePath)
self.__webPort = port
self.__networkManager.startNetworkService()
self.__webPacketHandler = ClusterServerPacketHandler(
self.__networkManager)
self.__vmServerPacketHandler = VMServerPacketHandler(
self.__networkManager)
self.__networkManager.listenIn(port, self.__webCallback, True)
self.__vmServerCallback = VMServerCallback(self)
# -*- coding: utf8 -*-
'''
A simple client test
@author: Luis Barrios Hernández
@version: 1.0
'''
from network.manager.networkManager import NetworkManager
from network.tests.dummyCallback import DummyCallback
from time import sleep
if __name__ == "__main__" :
networkManager = NetworkManager("/home/luis/Certificates")
networkManager.startNetworkService()
networkManager.connectTo('127.0.0.1', 8080, 20, DummyCallback(), True, True)
sleep(2)
p = networkManager.createPacket(0)
p.writeString("Greetings from a client")
networkManager.sendPacket('127.0.0.1', 8080, p)
sleep(60)
p = networkManager.createPacket(0)
p.writeString("Greetings from a client 1")
networkManager.sendPacket('127.0.0.1', 8080, p)
sleep(200)
networkManager.stopNetworkService()
def __startListenning(self):
"""
Creates the control connection
Args:
None
Returns:
Nothing
"""
networkInterface = self.__parser.getConfigurationParameter(
"vncNetworkInterface")
listenningPort = self.__parser.getConfigurationParameter(
"listenningPort")
try:
self.__vncServerIP = get_ip_address(networkInterface)
except Exception:
raise Exception(
"Error: the network interface '{0}' is not ready. Exiting now".
format(networkInterface))
self.__ftpTimeout = self.__parser.getConfigurationParameter(
"FTPTimeout")
self.__listenningPort = listenningPort
self.__networkManager = NetworkManager(
self.__parser.getConfigurationParameter("certificatePath"))
self.__networkManager.startNetworkService()
self.__useSSL = self.__parser.getConfigurationParameter("useSSL")
self.__packetManager = VMServerPacketHandler(self.__networkManager)
self.__connectToDatabases(
"VMServerDB",
self.__parser.getConfigurationParameter("databaseUserName"),
self.__parser.getConfigurationParameter("databasePassword"))
self.__domainHandler = DomainHandler(
self.__commandsDBConnector, self.__vncServerIP,
self.__networkManager, self.__packetManager, self.__listenningPort,
self.__parser.getConfigurationParameter("useQEMUWebsockets"),
self.__parser.getConfigurationParameter("websockifyPath"),
self.__parser.getConfigurationParameter("configFilePath"),
self.__parser.getConfigurationParameter("sourceImagePath"),
self.__parser.getConfigurationParameter("executionImagePath"),
self.__parser.getConfigurationParameter("passwordLength"))
self.__domainHandler.connectToLibvirt(
self.__parser.getConfigurationParameter("vncNetworkInterface"),
self.__parser.getConfigurationParameter("vnName"),
self.__parser.getConfigurationParameter("gatewayIP"),
self.__parser.getConfigurationParameter("netMask"),
self.__parser.getConfigurationParameter("dhcpStartIP"),
self.__parser.getConfigurationParameter("dhcpEndIP"),
self.__parser.getConfigurationParameter(
"createVirtualNetworkAsRoot"))
self.__domainHandler.doInitialCleanup()
self.__deleteTemporaryZipFiles()
self.__fileTransferThread = FileTransferThread(
self.__networkManager, self.__listenningPort, self.__packetManager,
self.__parser.getConfigurationParameter("TransferDirectory"),
self.__parser.getConfigurationParameter("FTPTimeout"),
self.__parser.getConfigurationParameter("MaxTransferAttempts"),
self.__commandsDBConnector, self.__useSSL)
self.__compressionThread = CompressionThread(
self.__parser.getConfigurationParameter("TransferDirectory"),
self.__parser.getConfigurationParameter("sourceImagePath"),
self.__parser.getConfigurationParameter("configFilePath"),
self.__commandsDBConnector, self.__domainHandler,
self.__networkManager, self.__listenningPort, self.__packetManager)
self.__fileTransferThread.start()
self.__compressionThread.start()
self.__networkManager.listenIn(self.__listenningPort, self,
self.__useSSL)
def startListenning(self, networkInterface, useSSL, certificatesDirectory,
commandsListenningPort, ftpListenningPort,
maxConnections, maxConnectionsPerIP,
uploadBandwidthRatio, downloadBandwidthRatio,
ftpUsername, ftpPasswordLength):
"""
Boots up the FTP server and creates the control connection.
Args:
networkInterface: the network interface that will be used by the FTP server
useSSL: indicates if SSL encryption must be used in the control connection or not
certificatesDirectory: the directory where the files server.crt and server.key are
commandsListenningPort: the control connection's port
ftpListenningPort: the FTP server listenning port
maxConnections: maximum FTP connections
maxConnectionsPerIP: maximum FTP connections per IP address
uploadBandwidthRatio: maximum download bandwidth fraction
downloadBandwidthRatio: maximum upload bandwidth fraction
ftpUsername: the FTP user that the virtual machine servers will use
ftpPasswordLength: the random FTP password length
Returns:
Nothing
@attention: The FTP password will be randomly generated at every boot.
"""
try:
self.__maxConnections = maxConnections
self.__commandsListenningPort = commandsListenningPort
self.__FTPListenningPort = ftpListenningPort
self.__networkManager = NetworkManager(certificatesDirectory)
self.__repositoryPacketHandler = ImageRepositoryPacketHandler(
self.__networkManager)
self.__commandsCallback = CommandsCallback(
self.__networkManager, self.__repositoryPacketHandler,
commandsListenningPort, self.__dbConnector,
self.__retrieveQueue, self.__storeQueue,
self.__diskImagesDirectory)
self.__networkManager.startNetworkService()
self.__networkManager.listenIn(commandsListenningPort,
self.__commandsCallback, useSSL)
dataCallback = FTPServerCallback(self.__slotCounter,
self.__dbConnector)
self.__ftpUsername = ftpUsername
self.__ftpPassword = ChildProcessManager.runCommandInForeground(
"openssl rand -base64 {0}".format(ftpPasswordLength),
Exception)
self.__ftpServer = ConfigurableFTPServer(
"Image repository FTP Server")
self.__ftpServer.startListenning(networkInterface,
ftpListenningPort, maxConnections,
maxConnectionsPerIP, dataCallback,
downloadBandwidthRatio,
uploadBandwidthRatio)
self.__ftpServer.addUser(self.__ftpUsername, self.__ftpPassword,
self.__diskImagesDirectory, "eramw")
except Exception as e:
print "Error: " + e.message
self.__finish = True
1. ejecutar el serverWridge y esperar a que se informe de que la conexión
está disponible
2. Ejecutar el clientReceptor.
3. Inmediatamente después ejecutar clientEmisor.
Módulos necesarios:
-serverWridge,clientEmisor,clientReceptor
'''
from network.manager.networkManager import NetworkManager
from network.tests.ConvCallback import ConvCallback
from time import sleep
if __name__ == "__main__":
listP = []
listP1 = []
networkManager = NetworkManager()
networkManager.startNetworkService()
networkManager.listenIn(8080, ConvCallback(listP))
networkManager.listenIn(8081, ConvCallback(listP1))
print("The server is now ready")
#esperamos una respuesta
while (len(listP) == 0):
sleep(0.1)
# Extraemos la contestacion
ans = listP[0]
#Se la enviamos al otro cliente
p = networkManager.createPacket(0)
p.writeString(ans)
networkManager.sendPacket('', 8081, p)
#Esperamos al de regreso
while (len(listP1) == 0):
Test que comprueba si el servidor es capaz de recibir los paquetes enviados
desde varios clientes.
Para realizarse la prueba debe ejecutarse este módulo el número de clientes
que se desee
Testeado con server 03
'''
import time
from network.manager.networkManager import NetworkManager
from network.tests.dummyCallback import DummyCallback
from time import sleep
if __name__ == "__main__":
# Fase 1 :Creamos y conectamos a los clientes
#Cliente 1
client1 = NetworkManager()
client1.startNetworkService()
client1.connectTo('127.0.0.1', 8080, 20, DummyCallback())
while (not client1.isConnectionReady('127.0.0.1', 8080)):
sleep(0.1)
#Fase 2: Cada cliente envia su paquete
#Cliente 1
p1 = client1.createPacket(0)
p1.writeString("I am Client " + str(time.localtime()[3]) + ":" +
str(time.localtime()[4]) + ":" + str(time.localtime()[5]))
client1.sendPacket('127.0.0.1', 8080, p1)
#Fase 3: Esperamos y cerramos las conexiones
sleep(200)
#Cliente 1
def startListenning(self, useSSL, certificatePath, listenningPort,
repositoryIP, repositoryPort,
vmServerStatusUpdateInterval):
"""
Creates the control connection
Args:
useSSL: indicates if SSL encryption must be used in the control connection or not
certificatePath: the directory where the server.crt and server.key files are
listenningPort: the control connection's port
repositoryIP: the image repository IP address
repositoryPort: the image repository's port
vmServerStatusUpdateInterval: the virtual machine server status database interval
Returns:
Nothing
"""
self.__networkManager = NetworkManager(certificatePath)
self.__networkManager.startNetworkService()
self.__listenningPort = listenningPort
self.__packetHandler = ClusterServerPacketHandler(
self.__networkManager)
self.__useSSL = useSSL
imageRepositoryPacketHandler = ImageRepositoryPacketHandler(
self.__networkManager)
vmServerPacketHandler = VMServerPacketHandler(self.__networkManager)
networkEventsReactor = NetworkEventsReactor(self.__dbConnector,
repositoryIP,
repositoryPort)
imageRepositoryPacketReactor = ImageRepositoryPacketReactor(
self.__dbConnector, self.__networkManager, listenningPort,
repositoryIP, repositoryPort, self.__packetHandler,
vmServerPacketHandler, imageRepositoryPacketHandler)
try:
imageRepositoryCallback = ImageRepositoryCallback(
imageRepositoryPacketReactor, networkEventsReactor)
self.__networkManager.connectTo(repositoryIP, repositoryPort, 10,
imageRepositoryCallback,
self.__useSSL, True)
self.__dbConnector.addImageRepository(repositoryIP, repositoryPort,
SERVER_STATE_T.READY)
except Exception as e:
print "Can't connect to the image repository: " + e.message
self.__exit = True
return
vmServerPacketReactor = VMServerPacketReactor(self.__dbConnector,
self.__networkManager,
listenningPort,
vmServerPacketHandler,
self.__packetHandler)
self.__endpointPacketReactor = EndpointPacketReactor(
self.__dbConnector, self.__networkManager, vmServerPacketHandler,
self.__packetHandler, imageRepositoryPacketHandler,
VMServerCallback(vmServerPacketReactor,
networkEventsReactor), listenningPort,
repositoryIP, repositoryPort, self.__loadBalancerSettings,
self.__averageCompressionRatio, self.__useSSL)
clusterEndpointCallback = ClusterEndpointCallback(
self.__endpointPacketReactor)
self.__networkManager.listenIn(listenningPort, clusterEndpointCallback,
self.__useSSL)
self.__statusMonitoringThread = ClusterStatusMonitoringThread(
vmServerStatusUpdateInterval, self.__dbConnector,
self.__networkManager, repositoryIP, repositoryPort,
vmServerPacketHandler, imageRepositoryPacketHandler)
self.__statusMonitoringThread.start()
"\tautoDeployImage <imageID> <instances>: performs an auto-deployment operation"
)
print("\tquit: closes this application")
print("\thelp: prints this help message")
if __name__ == "__main__":
print('*' * 80)
print('*' * 80)
printLogo()
print('Cluster Server tester')
print('Version 7.0')
print('*' * 80)
print('*' * 80)
print()
networkManager = NetworkManager(".")
networkManager.startNetworkService()
pHandler = ClusterServerPacketHandler(networkManager)
ip_address = raw_input("Cluster server IP address: ")
port = raw_input("Cluster server control connection port: ")
try:
port = int(port)
networkManager.connectTo(ip_address, port, 10,
TesterCallback(pHandler), True)
while not networkManager.isConnectionReady(ip_address, port):
sleep(0.1)
end = False
while not end:
command = raw_input('> ')
tokens = command.split()
end = process_command(tokens, networkManager, pHandler, ip_address,
