""" Ockle PDU and servers manager
A server node is a server with outlets,
or a service with the list of outlets to its servers that run it
Created on Mar 14, 2012
@author: Guy Sheffer <guy.sheffer at mail.huji.ac.il>
"""
import time
from common.common import OpState
from common.common import loadConfig
from outlets.OutletTemplate import OutletOpState
from testers.TemplateTester import TesterOpState
from controllers.ControllerTemplate import ControllerOpState
config,ETC_DIR = loadConfig()
MAX_STARTUP_TIME = 60
MAX_ATTEMPTS = 3
try:
MAX_STARTUP_TIME = config.get('servers', 'MAX_STARTUP_TIME')
MAX_ATTEMPTS = int(config.get('servers', 'MAX_ATTEMPTS'))
except:
pass
class ServerNodeOpState(OpState):
INIT="Did not initiate yet"# Did not start yet
class ServerNode():
''' This class represents a PC in the network
'''
def buildNetwork(self,config_path):
config,ETC_DIR = loadConfig()
self.servers=ServerNetwork()
#build servers
SERVER_DIR = config.get('main', 'SERVER_DIR')
serverConfigPath = os.path.join(ETC_DIR,SERVER_DIR)
self.mainDaemon.debug("Loading:"+str(serverConfigPath))
serverConfigFileList = os.listdir(serverConfigPath)
for serverConfigFile in serverConfigFileList:
serverConfigFile = os.path.join(serverConfigPath,serverConfigFile)
serverConfig = SafeConfigParser()
serverConfig.read(serverConfigFile)
#server = serverConfig.get('server', 'name')
server = self._getNameFromFilePath(serverConfigFile)
def buildServerObj(objNames,builderCallback):
''' Parse the serverObj field
:param objNames: the name of the field we are parsing
:param builderCallback: The function that takes the server config and name, building the object
:return: A list of the server objects
'''
#Handle a list or single string outlet
try:
outlets = serverConfig.get('server', objNames)
except NoOptionError:
outlets = "[]"
if outlets.startswith("["):
outlets = json.loads(outlets)
else:
outlets=[outlets]
outletList=[]
for outlet in outlets:
outletList.append(builderCallback(serverConfig,outlet,serverConfigPath))
return outletList
outletList = buildServerObj('outlets',self.__makeOutlet)
testerList = buildServerObj('tests',self.__makeTester)
controlList = buildServerObj('controls',self.__makeControl)
#Make the server with the outlets and testers
self.servers.addServer(ServerNode(server,outletList,testerList,controlList))
#add dependencies to our server forest
for serverConfigFile in serverConfigFileList:
serverConfigFile = os.path.join(serverConfigPath,serverConfigFile)
serverConfig = SafeConfigParser()
serverConfig.read(serverConfigFile)
#server = serverConfig.get('server', 'name')
server = self._getNameFromFilePath(serverConfigFile)
#sanitize input
if serverConfig.get("server","dependencies") != "":
dependencies = json.loads(serverConfig.get("server","dependencies"))
else:
dependencies=[]
for dependency in dependencies:
try:
self.servers.addDependency(server, dependency)
except DependencyException as e:
if DependencyException:
self.mainDaemon.debug(e.msg +":" + str(e.list))
raise e
return self.servers
