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package com.c2kernel.process;
import java.net.InetAddress;
import java.util.Iterator;
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.States;
import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.Lookup;
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.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;
import com.c2kernel.utils.Resource;
/**
* @version $Revision: 1.25 $ $Date: 2006/01/10 09:48:32 $
* @author $Author: abranson $
*/
public class Bootstrap
{
static DomainPath thisServerPath;
/**
* 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 (Exception 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(Resource.getKernelResourceURL("boot/allbootitems.txt"));
verifyBootDataItems(bootItems, null);
Logger.msg(1, "Boot data items complete");
}
private static void verifyBootDataItems(String bootList, String ns) {
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 data = Resource.getTextResource(ns, "boot/"+thisItem+(itemType.equals("OD")?".xsd":".xml"));
if (data == null)
Logger.die("No data found for "+getDataType(itemType)+" "+itemName);
verifyResource(ns, itemName, itemType, data);
} catch (Exception e) {
Logger.error(e);
Logger.die("Error importing bootstrap items. Unsafe to continue.");
}
}
}
public static void verifyResource(String ns, String itemName, String itemType, String data) throws Exception {
Logger.msg(1, "Bootstrap.verifyResource() - Verifying data of "+getDataType(itemType)+" "+itemName);
Iterator<Path> en = Gateway.getLookup().search(getTypeRoot(itemType), itemName);
ItemProxy thisProxy;
Outcome newOutcome = new Outcome(0, data, getDataType(itemType), 0);
if (!en.hasNext()) {
Logger.msg("Bootstrap.verifyResource() - "+getDataType(itemType)+" "+itemName+" not found. Creating new.");
thisProxy = createResourceItem(itemType, itemName, ns);
}
else {
DomainPath path = (DomainPath)en.next();
thisProxy = (ItemProxy)Gateway.getProxyManager().getProxy(path);
try {
Viewpoint currentData = (Viewpoint)thisProxy.getObject(ClusterStorage.VIEWPOINT+"/"+getDataType(itemType)+"/last");
Outcome oldData = currentData.getOutcome();
XMLUnit.setIgnoreWhitespace(true);
XMLUnit.setIgnoreComments(true);
Diff xmlDiff = new Diff(oldData.getDOM(), newOutcome.getDOM());
if (xmlDiff.identical()) {
Logger.msg(5, "Bootstrap.verifyResource() - Data identical, no update required");
return;
}
else {
Logger.msg("Difference found in "+itemName+": "+xmlDiff.toString());
}
} catch (ObjectNotFoundException ex) {
Logger.error("Bootstrap.verifyResource() - Item exists but no data found! Attempting to insert new.");
}
}
// data was missing or doesn't match
Logger.msg("Bootstrap.verifyResource() - Writing new data to "+getDataType(itemType)+" "+itemName);
History hist = new History(thisProxy.getSystemKey(), thisProxy);
Event newEvent = hist.addEvent("system", "Admin", Transitions.DONE, "Bootstrap", "Bootstrap", "Bootstrap", null, States.FINISHED);
newOutcome.setID(newEvent.getID());
Viewpoint newLastView = new Viewpoint(thisProxy.getSystemKey(), getDataType(itemType), "last", 0, newEvent.getID());
Viewpoint newZeroView = new Viewpoint(thisProxy.getSystemKey(), getDataType(itemType), "0", 0, newEvent.getID());
Gateway.getStorage().put(thisProxy.getSystemKey(), newOutcome, thisProxy);
Gateway.getStorage().put(thisProxy.getSystemKey(), newLastView, thisProxy);
Gateway.getStorage().put(thisProxy.getSystemKey(), newZeroView, thisProxy);
Gateway.getStorage().commit(thisProxy);
}
/**
* @param itemType
* @param itemName
* @param data
*/
private static ItemProxy createResourceItem(String itemType, String itemName, String ns) throws Exception {
// create props
PropertyDescriptionList pdList = (PropertyDescriptionList)Gateway.getMarshaller().unmarshall(Resource.getTextResource(null, "boot/property/"+itemType+"Prop.xml"));
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));
}
CompositeActivity ca = new CompositeActivity();
if (ns!=null && Gateway.getProperty("Module.debug", "false").equals("true")) {
String wf;
if (itemType.equals("CA")) wf = "ManageCompositeActDef";
else if (itemType.equals("EA")) wf = "ManageElementaryActDef";
else if (itemType.equals("OD")) wf = "ManageSchema";
else if (itemType.equals("SC")) wf = "ManageScript";
else throw new Exception("Unknown bootstrap item type: "+itemType);
ca = (CompositeActivity) ((CompositeActivityDef)LocalObjectLoader.getActDef(wf, "last")).instantiate();
}
EntityPath entityPath = Gateway.getLookup().getNextKeyManager().generateNextEntityKey();
TraceableEntity newItem = (TraceableEntity)Gateway.getCorbaServer().createEntity(entityPath);
Gateway.getLookup().add(entityPath);
newItem.initialise(
1,
Gateway.getMarshaller().marshall(props),
Gateway.getMarshaller().marshall(ca));
DomainPath newDomPath = new DomainPath(getTypeRoot(itemType).toString()+"/system/"+(ns==null?"kernel":ns)+"/"+itemName);
newDomPath.setEntity(entityPath);
Gateway.getLookup().add(newDomPath);
return (ItemProxy)Gateway.getProxyManager().getProxy(entityPath);
}
public static DomainPath getTypeRoot(String type) throws Exception {
if (type.equals("CA") || type.equals("EA"))
return new DomainPath("/desc/ActivityDesc/");
if (type.equals("SC"))
return new DomainPath("/desc/Script/");
if (type.equals("OD"))
return new DomainPath("/desc/OutcomeDesc/");
throw new Exception("Unknown bootstrap item type: "+type);
}
private static String getDataType(String type) throws Exception {
if (type.equals("CA"))
return "CompositeActivityDef";
if (type.equals("EA"))
return "ElementaryActivityDef";
if (type.equals("OD"))
return "Schema";
if (type.equals("SC"))
return "Script";
throw new Exception("Unknown bootstrap item type: "+type);
}
/**************************************************************************
* 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.");
Lookup lookup = Gateway.getLookup();
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.getLookup().add(agentPath);
// assign admin role
Logger.msg("Bootstrap.checkAgent() - Assigning role '"+role+"'");
rolePath.addAgent(agentPath);
Gateway.getStorage().put(agentPath.getSysKey(), new Property("Name", name), null);
Gateway.getStorage().put(agentPath.getSysKey(), new Property("Type", "Agent"), 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.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.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.getLookup().getNextKeyManager().generateNextEntityKey();
Gateway.getCorbaServer().createEntity(serverEntity);
Gateway.getLookup().add(serverEntity);
thisServerPath.setEntity(serverEntity);
Gateway.getLookup().add(thisServerPath);
}
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Name", serverName), null);
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("Type", "Server"), null);
Gateway.getStorage().put(serverEntity.getSysKey(), new Property("KernelVersion", Resource.getKernelVersion()), null);
if (Gateway.getProperty("ItemServer.Proxy.port") != null)
Gateway.getStorage().put(serverEntity.getSysKey(),
new Property("ProxyPort", Gateway.getProperty("ItemServer.Proxy.port")), null);
Gateway.getStorage().put(serverEntity.getSysKey(),
new Property("ConsolePort", String.valueOf(Logger.getConsolePort())), null);
Gateway.getProxyManager().connectToProxyServer(Gateway.getProperty("ItemServer.name"), Integer.parseInt(Gateway.getProperty("ItemServer.Proxy.port")));
}
public static void initServerItemWf() throws Exception {
CompositeActivityDef serverWfCa = (CompositeActivityDef)LocalObjectLoader.getActDef("ServerItemWorkflow", "last");
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.getLookup().getRoleManager().getAgentPath("system"));
Gateway.getStorage().put(thisServerPath.getSysKey(), wf, null);
}
}
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