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#! /bin/false

# This script must be run with the command: java weblogic.WLST RenameDomain.py
# from the source domain directory.
#
# Author: Simon Vans-Colina
# Client: XXXXXX
# Date: 10 July 2006
# Purpose: This script runs in the domain home of a weblogic domain that needs to be
# standardized. It takes the essential config from the domain and builds a new domain
# according to an agreed standard. This new domain is put in the standard location,
# will have standard start and stop scripts etc.

try:
  import weblogic
except:
  print "Weblogic.jar needs to be on your CLASSPATH. Exiting"
  raise SystemExit(1)

import javax.xml
import java.io.FileInputStream as fis
import java.io.FileOutputStream as fos

try:
  import org.apache.tools.ant as ant
except:
  print "Ant.jar needs to be on your classpath"
  raise SystemExit(1)

try:
  import os
  import shutil
except:
  print "Python shutils could not be found, are you running java weblogic.WLST to execute this script?"
  raise SystemExit(1)

import java.io.BufferedReader as BR
import java.lang.System.in java.lang.System.in as Sin
import java.io.InputStreamReader as isr
import java.lang.System.out.print as jprint

import weblogic.security

es=weblogic.security.internal.SerializedSystemIni.getEncryptionService(".")
ces=weblogic.security.internal.encryption.ClearOrEncryptedService(es)

#Standards are defined here

class ConfigStore:
  def __init__(self, fileLocation):
    factory=javax.xml.parsers.DocumentBuilderFactory.newInstance()
    builder=factory.newDocumentBuilder()
    input=fis(fileLocation)
    self.document=builder.parse(input)
    self.DOM=self.document.getDocumentElement()
  def write(self, newFileLocation):
    xmlFrom=javax.xml.transform.dom.DOMSource(self.document)
    xmlTo=javax.xml.transform.stream.StreamResult(fos(newFileLocation))
    Transformer=javax.xml.transform.TransformerFactory.newInstance().newTransformer()
    Transformer.transform(xmlFrom, xmlTo)

def ask(Question, default=None):
  jprint(Question)
  if default:
    jprint("[%s]" % default)
  return BR(isr(Sin)).readLine() or default

def changeAttributes(node, oldvalue, newvalue):
  if node.getAttributes():
    for i in range(node.getAttributes().getLength()):
      attr=node.getAttributes().item(i)
      if attr.getValue()==oldvalue:
        attr.setValue(newvalue)

def nodeWalk(node, oldvalue, newvalue):
  for n in range(node.getChildNodes().getLength()):
    cn=node.getChildNodes().item(n)
    nodeWalk(cn, oldvalue, newvalue)
  changeAttributes(node, oldvalue, newvalue)

configxml=ConfigStore("./config.xml")

numServers=configxml.DOM.getElementsByTagName("Server").getLength()
domainName=configxml.DOM.getAttribute("Name")

print "The domain found: %s has %s servers." % (domainName, numServers)

## Rename the Domain.
oldName=configxml.DOM.getAttribute("Name")
newName=ask("What do you want to rename this domain to? ", "Domain")
nodeWalk(configxml.DOM, oldName, newName)

## Rename the servers if required.
for i in range(configxml.DOM.getElementsByTagName("Server").getLength()):
  serverNode=configxml.DOM.getElementsByTagName("Server").item(i)
  oldName=serverNode.getAttribute("Name")
  newName= ask("What do you want to rename the %s server to? " % oldName, oldName)
  nodeWalk(configxml.DOM, oldName, newName)

## Decrypt the JDBC passwords
for j in range(configxml.DOM.getElementsByTagName("JDBCConnectionPool").getLength()):
  poolNode=configxml.DOM.getElementsByTagName("JDBCConnectionPool").item(j)
  poolNode.setAttribute("Password",  ces.decrypt(poolNode.getAttribute("PasswordEncrypted")) )
  poolNode.removeAttribute("PasswordEncrypted")

## Decrypt the EmbeddedLDAP
for j in range(configxml.DOM.getElementsByTagName("EmbeddedLDAP").getLength()):
  poolNode=configxml.DOM.getElementsByTagName("EmbeddedLDAP").item(j)
  poolNode.setAttribute("Credential",  ces.decrypt(poolNode.getAttribute("CredentialEncrypted")) )
  poolNode.removeAttribute("CredentialEncrypted")

## Decrypt the Security Configuration
for j in range(configxml.DOM.getElementsByTagName("SecurityConfiguration").getLength()):
  poolNode=configxml.DOM.getElementsByTagName("SecurityConfiguration").item(j)
  poolNode.setAttribute("Credential",  ces.decrypt(poolNode.getAttribute("CredentialEncrypted")) )
  poolNode.removeAttribute("CredentialEncrypted")

## Decrypt the ServerStart
for j in range(configxml.DOM.getElementsByTagName("ServerStart").getLength()):
  poolNode=configxml.DOM.getElementsByTagName("ServerStart").item(j)
  poolNode.setAttribute("Password",  ces.decrypt(poolNode.getAttribute("PasswordEncrypted")) )
  poolNode.removeAttribute("PasswordEncrypted")

## Finally write out the config.xml
configxml.write(ask("What do you want to call the new config.xml? ", "new-config.xml"))

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