/** Gets the encrypted usage stat data to be sent to the Hudson server. */
public String getStatData() throws IOException {
Jenkins j = Jenkins.getInstance();
JSONObject o = new JSONObject();
o.put("stat", 1);
o.put("install", j.getLegacyInstanceId());
o.put("servletContainer", j.servletContext.getServerInfo());
o.put("version", Jenkins.VERSION);
List<JSONObject> nodes = new ArrayList<JSONObject>();
for (Computer c : j.getComputers()) {
JSONObject n = new JSONObject();
if (c.getNode() == j) {
n.put("master", true);
n.put("jvm-vendor", System.getProperty("java.vm.vendor"));
n.put("jvm-name", System.getProperty("java.vm.name"));
n.put("jvm-version", System.getProperty("java.version"));
}
n.put("executors", c.getNumExecutors());
DescriptorImpl descriptor = j.getDescriptorByType(DescriptorImpl.class);
n.put("os", descriptor.get(c));
nodes.add(n);
}
o.put("nodes", nodes);
List<JSONObject> plugins = new ArrayList<JSONObject>();
for (PluginWrapper pw : j.getPluginManager().getPlugins()) {
if (!pw.isActive()) continue; // treat disabled plugins as if they are uninstalled
JSONObject p = new JSONObject();
p.put("name", pw.getShortName());
p.put("version", pw.getVersion());
plugins.add(p);
}
o.put("plugins", plugins);
JSONObject jobs = new JSONObject();
List<TopLevelItem> items = j.getAllItems(TopLevelItem.class);
for (TopLevelItemDescriptor d : Items.all()) {
int cnt = 0;
for (TopLevelItem item : items) {
if (item.getDescriptor() == d) cnt++;
}
jobs.put(d.getJsonSafeClassName(), cnt);
}
o.put("jobs", jobs);
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// json -> UTF-8 encode -> gzip -> encrypt -> base64 -> string
OutputStreamWriter w =
new OutputStreamWriter(
new GZIPOutputStream(new CombinedCipherOutputStream(baos, getKey(), "AES")), "UTF-8");
try {
o.write(w);
} finally {
IOUtils.closeQuietly(w);
}
return new String(Base64.encode(baos.toByteArray()));
} catch (GeneralSecurityException e) {
throw new Error(e); // impossible
}
}
/**
* Gets the descriptor of {@link com.cloudbees.hudson.plugins.folder.Folder}
*
* @return the descriptor or null if Jenkins can't be accessed
*/
private static TopLevelItemDescriptor getFolderDescriptor() {
Jenkins jenkins = getJenkinsInstance();
return jenkins != null ? jenkins.getDescriptorByType(Folder.DescriptorImpl.class) : null;
}