@Override
public Future<Slave> install(Jenkins j) {
ManagedCredentials credential = new ManagedCredentials(j);
try {
credential.open();
if (credential.getElement(
By.xpath(
String.format(
"//input[@name='_.username'][@value='%s']"
+ "/../../..//input[@name='_.description'][@value='%s']",
machine.getUser(), fingerprint)))
== null) {
SshPrivateKeyCredential sc = credential.add(SshPrivateKeyCredential.class);
sc.username.set(machine.getUser());
sc.description.set(fingerprint);
sc.selectEnterDirectly().privateKey.set(keyPair.readPrivateKey());
credential.save();
}
} catch (IOException e) {
throw new AssertionError(e);
}
final Slave s = create(machine.getPublicIpAddress(), j);
// Slave is configured, now wait till its online
return new Future<Slave>() {
@Override
public boolean cancel(boolean mayInterruptIfRunning) {
return false;
}
@Override
public boolean isCancelled() {
return slaveWaitComplete.get();
}
@Override
public boolean isDone() {
return slaveWaitComplete.get() || s.isOnline();
}
@Override
public Slave get() throws InterruptedException, ExecutionException {
waitForOnLineSlave(s, slaveReadyTimeOutInSec);
return s;
}
@Override
public Slave get(long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
if (unit != TimeUnit.SECONDS) {
timeout = unit.toSeconds(timeout);
}
waitForOnLineSlave(s, (int) timeout);
return s;
}
};
}
private Slave create(String host, Jenkins j) {
// Just to make sure the dumb slave is set up properly, we should seed it
// with a FS root and executors
final DumbSlave s = j.slaves.create(DumbSlave.class);
s.find(by.input("_.host")).sendKeys(host);
sleep(25);
final Select cId = new Select(s.find(by.input("_.credentialsId")));
final String credentialName = String.format("%s (%s)", machine.getUser(), fingerprint);
s.waitForCond(
new Callable<Object>() {
@Override
public Object call() throws Exception {
List<WebElement> options = cId.getOptions();
for (WebElement e : options) {
if (credentialName.equals(e.getText())) return true;
}
return false;
}
});
cId.selectByVisibleText(credentialName);
s.setExecutors(1);
s.save();
return s;
}
@Override
public void close() throws IOException {
// exit from wait if any
if (!slaveWaitComplete.get()) {
slaveWaitComplete.set(true);
sleep(1000);
}
stop();
machine.close();
}
private void waitForOnLineSlave(final Slave s, int timeout) {
logger.info(
String.format(
"Wait for the new slave %s to come online in %s seconds", machine.getId(), timeout));
try {
long endTime = System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(timeout);
while (System.currentTimeMillis() < endTime) {
if (s.isOnline()) {
slaveWaitComplete.set(true);
return;
}
sleep(1000);
}
throw new org.openqa.selenium.TimeoutException(
String.format("Slave could not be online in %s seconds", timeout));
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new Error(
String.format(
"An exception occurred while waiting for slave to be online in %s seconds", timeout),
e);
}
}
