How to Edit Jenkins URL on Build Engine Using Java API
I want to write a script to clone a build engine except the new build engine will point to a different Jenkins instance. When I open the Build Engine in Eclipse I have a Hudson.Jenkins tab next to the Overview tab. In the Hudson/Jenkins tab there is a text field labeled Hudson/Jenkins URL:. I have used the API to retrieve the build engine using code like this:
IBuildEngineQueryModel queryModel = IBuildEngineQueryModel.ROOT;
IItemQuery query = IItemQuery.FACTORY.newInstance(queryModel);
IPredicate supportsDef = queryModel.supportedBuildDefinitions().itemId()._eq(query.newUUIDArg());
query.filter(supportsDef);
IItemQueryPage queryPage = null;
try {
queryPage = buildClient.queryItems(query, new Object[] { buildDefinition.getItemId() }, 10, myMonitor);
} catch (Exception e) {
e.printStackTrace();
}
I'm using Eclipse Client 4.0.6. I would like to have some code that would work like this:
IBuildEngine buildEngine = getBuildEngine();
Object[] extensions = buildEngine.getExtensions();
for (int i = 0; i < extensions.length; i++) {
if (extensions[i] instanceof JenkinsExtension) {
((JenkinsExtension)extensions[i]).setJenkinsURL("http://127.0.0.1");
}
}
I've been searching the Java API but have had no luck determining how to gain access to that text field. Is this possible? Can you provide any hint?
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Accepted answer
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That is probably the answer I was looking for but I have not yet been able to test it. I had an IllegalStateException which went away when I put the operation into an Eclipse Job. Then I had an Immutable exception thing. I think I was able to work around that using getWorkingCopy or copyEngine. But now the IllegalStateException is back and I can't make sense of it. Some posts say it needs to run in another thread. That hasn't helped me. Also, the IBuildEngine reports no configurationElements exist.
Here is the code I ran to get these results:
org.eclipse.core.runtime.jobs.Job job = new org.eclipse.core.runtime.jobs.Job("my job") {
protected org.eclipse.core.runtime.IStatus run(IProgressMonitor monitor) {
try {
IBuildEngine newEngine = (IBuildEngine)result.getWorkingCopy();//copyEngine produces the same result
System.out.println("running job " + newEngine.getConfigurationElement(HudsonConfigurationElement.ELEMENT_ID));
System.out.println("running job " + newEngine.getConfigurationElement(HudsonConfigurationElement.PROPERTY_HUDSON_URL));
System.out.println("running job " + newEngine.getConfigurationPropertyValue(HudsonConfigurationElement.ELEMENT_ID, HudsonConfigurationElement.PROPERTY_HUDSON_URL, "beeo"));
// your longop call here
newEngine.setConfigurationProperty(
HudsonConfigurationElement.ENGINE_ELEMENT_ID,
HudsonConfigurationElement.PROPERTY_HUDSON_URL, "http://hcntpnv02.paychex.com:8080/");
System.out.println("done setting");
buildClient.save(newEngine, null);
} catch (Exception e) {
System.out.println("awww " + e);
e.printStackTrace();
}
System.out.println("done saving");
return null;
}
};
job.schedule(); // start the job
try {
job.join();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("done joining");
try {
Thread.sleep(30000);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("after sleep");
System.out.println("result config = " + result.getConfigurationElements());
After executing I get:
running job null (ConfigurationElement HudsonConfigurationElement.ELEMENT_ID does not exist)
running job null (ConfigurationElement HudsonConfigurationElement.PROPERTY_HUDSON_URL does not exist)
running job beeo (getConfigurationPropertyValue did not return the value)
awww java.lang.IllegalStateException (setConfigurationProperty fails for unknown reason)
java.lang.IllegalStateException
at com.ibm.team.build.internal.common.model.impl.BuildEngineImpl.setConf
igurationProperty(BuildEngineImpl.java:1300)
at CreateReminder$1.run(CreateReminder.java:287)
done saving (this only prints because it is after the catch)
done joining
after sleep (sleep was added to guarentee the other thread didnt just need more time)
result config = [] (IBuildEngine reports no results from getConfigurationElements)
not shown here but getProperties also reports an empty list.
In Eclipse UI I can see the BuildEngine and its Jenkins configuration, URL included. Any ideas?
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IBuildEngine result = getBuildEngines(definition, buildClient, myMonitor, teamRepository);
IItemManager itemManager = teamRepository.itemManager();
final IBuildEngine completeBuildEngine = (IBuildEngine) itemManager.fetchCompleteItem(result, IItemManager.REFRESH, null);
org.eclipse.core.runtime.jobs.Job job = new org.eclipse.core.runtime.jobs.Job("my job") {
protected org.eclipse.core.runtime.IStatus run(IProgressMonitor monitor) {
try {
IBuildEngine newEngine = (IBuildEngine)completeBuildEngine.getWorkingCopy();
newEngine.setConfigurationProperty(
HudsonConfigurationElement.ENGINE_ELEMENT_ID,
HudsonConfigurationElement.PROPERTY_HUDSON_URL, "http://127.0.0.1/");
System.out.println("done setting");
buildClient.save(newEngine, null);
} catch (Exception e) {
System.out.println("awww " + e);
e.printStackTrace();
}
System.out.println("done saving");
return null;
}
};
job.schedule(); // start the job
try {
job.join();
} catch (Exception e) {
e.printStackTrace();
}
private IBuildEngine getBuildEngines(IBuildDefinition buildDefinition, ITeamBuildClient buildClient, MyMonitor myMonitor, ITeamRepository teamRepository) {
IBuildEngine firstResult = null;
IBuildEngineQueryModel queryModel = IBuildEngineQueryModel.ROOT;
IItemQuery query = IItemQuery.FACTORY.newInstance(queryModel);
IPredicate supportsDef = queryModel.supportedBuildDefinitions().itemId()._eq(query.newUUIDArg());
query.filter(supportsDef);
IItemQueryPage queryPage = null;
try {
queryPage = buildClient.queryItems(query, new Object[] { buildDefinition.getItemId() }, 10, myMonitor);
} catch (Exception e) {
e.printStackTrace();
}
if (queryPage.getResultSize() == 0) {
System.out.println("Zero build engines found for build definition '" + buildDefinition.getItemId() + "'");
} else {
System.out.println("Found " + queryPage.getResultSize() + " build engine(s) for build definition '" + buildDefinition.getItemId() + "':");
int pageNum = 1;
while (queryPage != null) {
System.out.println("Page:" + pageNum++);
// print out a page of IDs of the retrieved build engines
String[] properties = new String[] { IBuildEngine.PROPERTY_ID };
IFetchResult fetchResult = null;
try {
fetchResult = teamRepository.itemManager().fetchPartialItemsPermissionAware(queryPage.getItemHandles(), IItemManager.DEFAULT, Arrays.asList(properties), myMonitor);
} catch (Exception e) {
e.printStackTrace();
}
List<IBuildEngine> buildEngines = fetchResult.getRetrievedItems();
for (IBuildEngine buildEngine : buildEngines) {
System.out.println(buildEngine.getId());
if (firstResult == null) {
firstResult = buildEngine;
}
}
if (queryPage.hasNext()) {
try {
queryPage = (IItemQueryPage) buildClient.fetchPage(queryPage.getToken(), queryPage.getNextStartPosition(), queryPage.getSize(), myMonitor);
} catch (Exception e) {
e.printStackTrace();
}
} else {
queryPage = null;
}
}
}
return firstResult;
}
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