Examples with LinearRetryForAllExceptions com.microsoft.azure.vmagent.retry.LinearRetryForAllExceptions used on opensource projects

Example 1 with LinearRetryForAllExceptions

use of com.microsoft.azure.vmagent.retry.LinearRetryForAllExceptions in project azure-vm-agents-plugin by jenkinsci.

the class AzureVMCloudRetensionStrategy method check.

protected long check(final AzureVMComputer agentNode, ExecutionEngine executionEngine) {
    // Determine whether we can recycle this machine.
    // The CRS is the way that nodes that are currently operating "correctly"
    // can be retained/reclaimed.  Any failure modes need to be dealt with through
    // the clean up task.
    boolean canRecycle = true;
    // Node must be idle
    canRecycle &= agentNode.isIdle();
    // The node must also be online.  This also implies not temporarily disconnected
    // (like by a user).
    canRecycle &= agentNode.isOnline();
    // The configured idle time must be > 0 (which means leave forever)
    canRecycle &= idleTerminationMillis > 0;
    // The number of ms it's been idle must be greater than the current idle time.
    canRecycle &= idleTerminationMillis < (System.currentTimeMillis() - agentNode.getIdleStartMilliseconds());
    if (agentNode.getNode() == null) {
        return 1;
    }
    final AzureVMAgent agent = agentNode.getNode();
    if (canRecycle) {
        LOGGER.log(Level.INFO, "Idle timeout reached for agent: {0}, action: {1}", new Object[] { agentNode.getName(), agent.isShutdownOnIdle() ? "shutdown" : "delete" });
        Callable<Void> task = () -> {
            // Block cleanup while we execute so the cleanup task doesn't try to take it
            // away (node will go offline).  Also blocks cleanup in case of shutdown.
            agent.blockCleanUpAction();
            if (agent.isShutdownOnIdle()) {
                LOGGER.log(Level.INFO, "Going to idleTimeout agent: {0}", agentNode.getName());
                agent.shutdown(Messages._Idle_Timeout_Shutdown());
            } else {
                agent.deprovision(Messages._Idle_Timeout_Delete());
            }
            return null;
        };
        try {
            final int maxRetries = 3;
            final int waitInterval = 30;
            final int defaultTimeoutInSeconds = 30 * 60;
            executionEngine.executeAsync(task, new LinearRetryForAllExceptions(maxRetries, waitInterval, defaultTimeoutInSeconds));
        } catch (AzureCloudException ae) {
            LOGGER.log(Level.WARNING, String.format("Could not terminate or shutdown %s", agentNode.getName()), ae);
            // If we have an exception, set the agent for deletion.
            // It's unlikely we'll be able to shut it down properly ever.
            AzureVMAgent node = agentNode.getNode();
            if (node != null) {
                node.setCleanUpAction(CleanUpAction.DELETE, Messages._Failed_Initial_Shutdown_Or_Delete());
            }
        } catch (Exception e) {
            LOGGER.log(Level.WARNING, String.format("Exception occurred while calling timeout on node %s", agentNode.getName()), e);
            // If we have an exception, set the agent for deletion.
            // It's unlikely we'll be able to shut it down properly ever.
            AzureVMAgent node = agentNode.getNode();
            if (node != null) {
                node.setCleanUpAction(CleanUpAction.DELETE, Messages._Failed_Initial_Shutdown_Or_Delete());
            }
        }
    }
    return 1;
}