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package com.c2kernel.process;
import java.net.InetAddress;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Set;
import java.util.StringTokenizer;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLUnit;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.TraceableEntity;
import com.c2kernel.entity.proxy.ItemProxy;
import com.c2kernel.events.Event;
import com.c2kernel.events.History;
import com.c2kernel.lifecycle.CompositeActivityDef;
import com.c2kernel.lifecycle.instance.CompositeActivity;
import com.c2kernel.lifecycle.instance.Workflow;
import com.c2kernel.lifecycle.instance.predefined.PredefinedStepContainer;
import com.c2kernel.lifecycle.instance.predefined.ServerPredefinedStepContainer;
import com.c2kernel.lifecycle.instance.stateMachine.Transition;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.LDAPLookup;
import com.c2kernel.lookup.Path;
import com.c2kernel.lookup.RolePath;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.persistency.outcome.Viewpoint;
import com.c2kernel.process.resource.DefaultResourceImportHandler;
import com.c2kernel.process.resource.ResourceImportHandler;
import com.c2kernel.property.Property;
import com.c2kernel.property.PropertyArrayList;
import com.c2kernel.property.PropertyDescription;
import com.c2kernel.property.PropertyDescriptionList;
import com.c2kernel.utils.FileStringUtility;
import com.c2kernel.utils.LocalObjectLoader;
import com.c2kernel.utils.Logger;
/**
* @version $Revision: 1.25 $ $Date: 2006/01/10 09:48:32 $
* @author $Author: abranson $
*/
public class Bootstrap
{
static DomainPath thisServerPath;
static HashMap<String, ResourceImportHandler> resHandlerCache = new HashMap<String, ResourceImportHandler>();
/**
* Run everything without timing-out the service wrapper
*/
public static void run() throws Exception {
// check for system agents
checkAdminAgents();
// create the server's mother item
createServerItem();
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.currentThread().setName("Bootstrapper");
// make sure all of the boot items are up-to-date
Logger.msg("Bootstrap.run() - Verifying kernel boot data items");
verifyBootDataItems();
// verify the server item's wf
Logger.msg("Bootstrap.run() - Initialising Server Item Workflow");
initServerItemWf();
// register modules
Gateway.getModuleManager().registerModules();
Logger.msg("Bootstrap.run() - Bootstrapping complete");
} catch (Throwable e) {
Logger.error(e);
Logger.die("Exception performing bootstrap. Check that everything is OK.");
}
}
}).start();
}
/**************************************************************************
* Checks all kernel descriptions, stored in resources
**************************************************************************/
public static void verifyBootDataItems() throws Exception {
String bootItems;
Logger.msg(1, "Verifying kernel boot items");
bootItems = FileStringUtility.url2String(Gateway.getResource().getKernelResourceURL("boot/allbootitems.txt"));
verifyBootDataItems(bootItems, null, true);
Logger.msg(1, "Boot data items complete");
}
private static void verifyBootDataItems(String bootList, String ns, boolean reset) {
StringTokenizer str = new StringTokenizer(bootList, "\n\r");
while (str.hasMoreTokens()) {
String thisItem = str.nextToken();
int delim = thisItem.indexOf('/');
String itemType = thisItem.substring(0,delim);
String itemName = thisItem.substring(delim+1);
try {
String location = "boot/"+thisItem+(itemType.equals("OD")?".xsd":".xml");
verifyResource(ns, itemName, 0, itemType, location, reset);
} catch (Exception e) {
Logger.error(e);
Logger.die("Error importing bootstrap items. Unsafe to continue.");
}
}
}
public static DomainPath verifyResource(String ns, String itemName, Integer version, String itemType, String dataLocation, boolean reset) throws Exception {
if (version == null) version = 0;
ResourceImportHandler typeImpHandler = getHandler(itemType);
Logger.msg(1, "Bootstrap.verifyResource() - Verifying version "+version+" of "+typeImpHandler.getName()+" "+itemName);
// Find or create Item for Resource
DomainPath modDomPath = typeImpHandler.getPath(itemName, ns);
ItemProxy thisProxy;
Enumeration<Path> en = Gateway.getLDAPLookup().search(typeImpHandler.getTypeRoot(), itemName);
if (!en.hasMoreElements()) {
Logger.msg("Bootstrap.verifyResource() - "+typeImpHandler.getName()+" "+itemName+" not found. Creating new.");
thisProxy = createResourceItem(typeImpHandler, itemName, ns);
}
else {
DomainPath path = (DomainPath)en.nextElement();
thisProxy = (ItemProxy)Gateway.getProxyManager().getProxy(path);
// Verify module property and location
String moduleName = (ns==null?"kernel":ns);
String itemModule;
try{
itemModule = thisProxy.getProperty("Module");
if (!itemModule.equals("") && !itemModule.equals("null") && !moduleName.equals(itemModule)) {
Logger.error("Bootstrap.verifyResource() - Module clash! Resource '"+itemName+"' included in module "+moduleName+" but is assigned to '"+itemModule+"'. Not overwriting.");
return path;
}
} catch (ObjectNotFoundException ex) {
itemModule = "";
}
if (!moduleName.equals(itemModule)) { // write module property
Gateway.getStorage().put(thisProxy.getSystemKey(), new Property("Module", moduleName, false), thisProxy);
}
if (!modDomPath.equals(path)) { // move item to module subtree
Logger.msg("Module item "+itemName+" found with path "+path.toString()+". Moving to "+modDomPath.toString());
modDomPath.setEntity(new EntityPath(thisProxy.getSystemKey()));
if (!modDomPath.exists())
Gateway.getLDAPLookup().add(modDomPath);
Gateway.getLDAPLookup().delete(path);
}
}
// Verify/Import Outcomes, creating events and views as necessary
Set<Outcome> impList = typeImpHandler.getResourceOutcomes(itemName, ns, dataLocation, version);
for (Outcome newOutcome : impList) {
try {
Viewpoint currentData = (Viewpoint)thisProxy.getObject(ClusterStorage.VIEWPOINT+"/"+newOutcome.getSchemaType()+"/"+version);
Outcome oldData = currentData.getOutcome();
XMLUnit.setIgnoreWhitespace(true);
XMLUnit.setIgnoreComments(true);
Diff xmlDiff = new Diff(newOutcome.getDOM(), oldData.getDOM());
if (xmlDiff.identical()) {
Logger.msg(5, "Bootstrap.verifyResource() - Data identical, no update required");
continue;
}
else {
Logger.msg("Difference found in "+itemName+": "+xmlDiff.toString());
if (!reset && !currentData.getEvent().getStepPath().equals("Bootstrap")) {
Logger.msg("Version "+version+" was not set by Bootstrap, and reset not requested. Not overwriting.");
continue;
}
}
} catch (ObjectNotFoundException ex) {
Logger.msg("Bootstrap.verifyResource() - Item "+itemName+" exists but version "+version+" not found! Attempting to insert new.");
}
// data was missing or doesn't match
Logger.msg("Bootstrap.verifyResource() - Writing new "+newOutcome.getSchemaType()+" v"+version+" to "+typeImpHandler.getName()+" "+itemName);
History hist = new History(thisProxy.getSystemKey(), thisProxy);
Transition predefDone = new Transition(0, "Done", 0, 0);
Event newEvent = hist.addEvent("system", "Admin", "Bootstrap", "Bootstrap", "Bootstrap", newOutcome.getSchemaType(), 0, "PredefinedStep", 0, predefDone, String.valueOf(version));
newOutcome.setID(newEvent.getID());
Viewpoint newLastView = new Viewpoint(thisProxy.getSystemKey(), newOutcome.getSchemaType(), "last", 0, newEvent.getID());
Viewpoint newNumberView = new Viewpoint(thisProxy.getSystemKey(), newOutcome.getSchemaType(), String.valueOf(version), 0, newEvent.getID());
Gateway.getStorage().put(thisProxy.getSystemKey(), newOutcome, thisProxy);
Gateway.getStorage().put(thisProxy.getSystemKey(), newLastView, thisProxy);
Gateway.getStorage().put(thisProxy.getSystemKey(), newNumberView, thisProxy);
}
Gateway.getStorage().commit(thisProxy);
return modDomPath;
}
private static ResourceImportHandler getHandler(String resType) throws Exception {
if (resHandlerCache.containsKey(resType))
return resHandlerCache.get(resType);
ResourceImportHandler handler;
Object handlerProp = Gateway.getProperties().get("ResourceImportHandler."+resType);
if (handlerProp instanceof ResourceImportHandler)
handler = (ResourceImportHandler)handlerProp;
else if (handlerProp instanceof String) { //class name
try {
Class<?> handlerClass = Class.forName((String)handlerProp);
handler = (ResourceImportHandler) handlerClass.newInstance();
} catch (ClassNotFoundException e) {
throw new Exception("Handler class "+handlerProp+" for importing "+resType+" resources not found");
} catch (ClassCastException e) {
throw new Exception(handlerProp+" for importing "+resType+" was not a ResourceImportHandler");
}
}
else
handler = new DefaultResourceImportHandler(resType);
resHandlerCache.put(resType, handler);
return handler;
}
/**
* @param itemType
* @param itemName
* @param data
*/
private static ItemProxy createResourceItem(ResourceImportHandler impHandler, String itemName, String ns) throws Exception {
// create props
PropertyDescriptionList pdList = impHandler.getPropDesc();
PropertyArrayList props = new PropertyArrayList();
for (int i = 0; i < pdList.list.size(); i++) {
PropertyDescription pd = pdList.list.get(i);
String propName = pd.getName();
String propVal = propName.equals("Name")?itemName:pd.getDefaultValue();
props.list.add(new Property(propName, propVal, pd.getIsMutable()));
}
CompositeActivity ca = new CompositeActivity();
if (ns!=null && Gateway.getProperties().getBoolean("Module.debug", false))
try {
ca = (CompositeActivity) ((CompositeActivityDef)LocalObjectLoader.getActDef(impHandler.getWorkflowName(), 0)).instantiate();
} catch (ObjectNotFoundException ex) {
Logger.error("Module resource workflow "+impHandler.getWorkflowName()+" not found. Using empty.");
}
EntityPath entityPath = Gateway.getLDAPLookup().getNextKeyManager().generateNextEntityKey();
TraceableEntity newItem = (TraceableEntity)Gateway.getCorbaServer().createEntity(entityPath);
Gateway.getLDAPLookup().add(entityPath);
newItem.initialise(
1,
Gateway.getMarshaller().marshall(props),
Gateway.getMarshaller().marshall(ca));
DomainPath newDomPath = impHandler.getPath(itemName, ns);
newDomPath.setEntity(entityPath);
Gateway.getLDAPLookup().add(newDomPath);
return (ItemProxy)Gateway.getProxyManager().getProxy(entityPath);
}
/**************************************************************************
* Checks for the existence of the admin users so you can use Cristal
**************************************************************************/
private static void checkAgent(String name, String pass, String role, boolean joblist) throws Exception {
Logger.msg(1, "Bootstrap.checkAgent() - Checking for existence of '"+name+"' user.");
LDAPLookup lookup = Gateway.getLDAPLookup();
try {
lookup.getRoleManager().getAgentPath(name);
Logger.msg(3, "Bootstrap.checkAgent() - User '"+name+"' found.");
return;
} catch (ObjectNotFoundException ex) { }
Logger.msg("Bootstrap.checkAgent() - User '"+name+"' not found. Creating.");
RolePath rolePath;
try {
rolePath = lookup.getRoleManager().getRolePath(role);
} catch (ObjectNotFoundException ex) {
rolePath = lookup.getRoleManager().createRole(role, joblist);
}
try {
EntityPath entityPath = lookup.getNextKeyManager().generateNextEntityKey();
AgentPath agentPath = new AgentPath(entityPath.getSysKey(), name);
agentPath.setPassword(pass);
Gateway.getCorbaServer().createEntity(agentPath);
Gateway.getLDAPLookup().add(agentPath);
// assign admin role
Logger.msg("Bootstrap.checkAgent() - Assigning role '"+role+"'");
rolePath.addAgent(agentPath);
Gateway.getStorage().put(agentPath.getSysKey(), new Property("Name", name, true), null);
Gateway.getStorage().put(agentPath.getSysKey(), new Property("Type", "Agent", false), null);
Logger.msg("Bootstrap.checkAgent() - Done");
} catch (Exception ex) {
Logger.error("Unable to create "+name+" user.");
throw ex;
}
}
/**
*
*/
public static void checkAdminAgents() throws Exception {
// check for administrative user
String adminPassword = Gateway.getProperties().getProperty("AdminPassword", "admin12345");
checkAgent("admin", adminPassword, "Admin", false);
// check for import user
checkAgent("system", adminPassword, "Admin", false);
// check for local usercode user
checkAgent(InetAddress.getLocalHost().getHostName(), "uc", "UserCode", true);
}
public static void createServerItem() throws Exception {
String serverName = Gateway.getProperties().getProperty("ItemServer.name");
thisServerPath = new DomainPath("/servers/"+serverName);
EntityPath serverEntity;
try {
serverEntity = thisServerPath.getEntity();
} catch (ObjectNotFoundException ex) {
Logger.msg("Creating server item "+thisServerPath);
serverEntity = Gateway.getLDAPLookup().getNextKeyManager().generateNextEntityKey();
Gateway.getCorbaServer().createEntity(serverEntity);
Gateway.getLDAPLookup().add(serverEntity);
thisServerPath.setEntity(serverEntity);
Gateway.getLDAPLookup().add(thisServerPath);
}
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Name", serverName, false), null);
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Type", "Server", false), null);
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("KernelVersion", Gateway.getKernelVersion(), true), null);
if (Gateway.getProperties().getProperty("ItemServer.Proxy.port") != null)
Gateway.getStorage().put(serverEntity.getSysKey(),
new Property("ProxyPort", Gateway.getProperties().getProperty("ItemServer.Proxy.port"), false), null);
Gateway.getStorage().put(serverEntity.getSysKey(),
new Property("ConsolePort", String.valueOf(Logger.getConsolePort()), true), null);
Gateway.getProxyManager().connectToProxyServer(Gateway.getProperties().getProperty("ItemServer.name"), Gateway.getProperties().getInt("ItemServer.Proxy.port"));
}
public static void initServerItemWf() throws Exception {
CompositeActivityDef serverWfCa = (CompositeActivityDef)LocalObjectLoader.getActDef("ServerItemWorkflow", 0);
Workflow wf = new Workflow((CompositeActivity)serverWfCa.instantiate());
PredefinedStepContainer predef = (PredefinedStepContainer)wf.search("workflow/predefined");
wf.getChildGraphModel().removeVertex(predef);
wf.addChild(new ServerPredefinedStepContainer(), predef.getCentrePoint());
wf.initialise(thisServerPath.getSysKey(), Gateway.getLDAPLookup().getRoleManager().getAgentPath("system"));
Gateway.getStorage().put(thisServerPath.getSysKey(), wf, null);
}
}
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