public void execute(TaskListener arg0) throws IOException, InterruptedException {
for (Computer computer : Hudson.getInstance().getComputers()) {
if (computer instanceof AzureComputer) {
AzureComputer azureComputer = (AzureComputer) computer;
AzureSlave slaveNode = azureComputer.getNode();
try {
if (azureComputer.isOffline()) {
if (!slaveNode.isDeleteSlave()) {
// Find out if node exists in azure , if not continue with delete else do not delete
// node
// although it is offline. May be JNLP or SSH launch is in progress
if (AzureManagementServiceDelegate.isVirtualMachineExists(slaveNode)) {
LOGGER.info(
"AzureSlaveCleanUpTask: execute: VM "
+ slaveNode.getDisplayName()
+ " exists in cloud");
continue;
}
}
int retryCount = 0;
boolean successful = false;
// Retrying for 30 times with 30 seconds wait time between each retry
while (retryCount < 30 && !successful) {
try {
slaveNode.idleTimeout();
successful = true;
} catch (Exception e) {
retryCount++;
LOGGER.info(
"AzureSlaveCleanUpTask: execute: Exception occured while calling timeout on node , \n"
+ "Will retry again after 30 seconds. Current retry count "
+ retryCount
+ "\n"
+ "Error code "
+ e.getMessage());
// We won't get exception for RNF , so for other exception types we can retry
try {
Thread.sleep(30 * 1000);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
Hudson.getInstance().removeNode(slaveNode);
}
} catch (Exception e) {
LOGGER.severe("AzureSlaveCleanUpTask: execute: failed to remove node " + e);
}
}
}
}
/** Checks if node configuration matches with template definition. */
private static boolean isNodeEligibleForReuse(
AzureSlave slaveNode, AzureSlaveTemplate slaveTemplate) {
// Do not reuse slave if it is marked for deletion.
if (slaveNode.isDeleteSlave()) {
return false;
}
// Check for null label and mode.
if (AzureUtil.isNull(slaveNode.getLabelString()) && (slaveNode.getMode() == Node.Mode.NORMAL)) {
return true;
}
if (AzureUtil.isNotNull(slaveNode.getLabelString())
&& slaveNode.getLabelString().equalsIgnoreCase(slaveTemplate.getLabels())) {
return true;
}
return false;
}
