/**
* prompts the user with the given question.
*
* @param session the command session.
* @param messageKey the message key.
* @param messageArgs the message arguments.
* @return true if user hits 'y' OR 'yes' else returns false
* @throws IOException Indicates a failure while accessing the session's stdout.
*/
public static boolean promptUser(
final CommandSession session, final String messageKey, final Object... messageArgs)
throws IOException {
if ((Boolean) session.get(Constants.INTERACTIVE_MODE)) {
session.getConsole().print(Ansi.ansi().eraseLine(Erase.ALL));
final String confirmationQuestion = ShellUtils.getFormattedMessage(messageKey, messageArgs);
session.getConsole().print(confirmationQuestion + " ");
session.getConsole().flush();
char responseChar = '\0';
final StringBuilder responseBuffer = new StringBuilder();
while (true) {
responseChar = (char) session.getKeyboard().read();
if (responseChar == '\u007F') { // backspace
if (responseBuffer.length() > 0) {
responseBuffer.deleteCharAt(responseBuffer.length() - 1);
session.getConsole().print(Ansi.ansi().cursorLeft(1).eraseLine());
}
} else if (responseChar == WIN_RETURN_CHAR || responseChar == LINUX_RETURN_CHAR) {
session.getConsole().println();
break;
} else {
session.getConsole().print(responseChar);
responseBuffer.append(responseChar);
}
session.getConsole().flush();
}
final String responseStr = responseBuffer.toString().trim();
return "y".equalsIgnoreCase(responseStr) || "yes".equalsIgnoreCase(responseStr);
}
// Shell is running in nonInteractive mode. we skip the question.
return true;
}
/**
* Gets the latest events of this deployment id. Events are sorted by event index.
*
* @return A list of events. If this is the first time events are requested, all events are
* retrieved. Otherwise, only new events (that were not reported earlier) are retrieved.
* @throws RestClientException Indicates a failure to get events from the server.
*/
@Override
public boolean lifeCycleEnded() throws RestClientException, CLIException {
boolean serviceIsInstalled;
try {
ServiceDescription serviceDescription =
restClient.getServiceDescription(applicationName, serviceName);
logger.fine("Service description is : " + serviceDescription);
CloudifyConstants.DeploymentState serviceState = serviceDescription.getServiceState();
if (serviceState.equals(CloudifyConstants.DeploymentState.FAILED)) {
throw new CLIException(
ShellUtils.getFormattedMessage(
CloudifyErrorMessages.FAILED_TO_DEPLOY_SERVICE.getName(), serviceName));
}
serviceIsInstalled = serviceState.equals(CloudifyConstants.DeploymentState.STARTED);
} catch (final RestClientResponseException e) {
if (e.getStatusCode() == RESOURCE_NOT_FOUND_EXCEPTION_CODE) {
// the service is not available yet
serviceIsInstalled = false;
} else {
throw e;
}
}
return serviceIsInstalled;
}
/**
* Checks if the latest version is used.
*
* @param session the command session.
*/
public static void doVersionCheck(final CommandSession session) {
String currentBuildStr = PlatformVersion.getBuildNumber();
if (currentBuildStr.contains("-")) {
currentBuildStr = currentBuildStr.substring(0, currentBuildStr.indexOf("-"));
}
final int currentVersion = Integer.parseInt(currentBuildStr);
final int latestBuild = getLatestBuildNumber(currentVersion);
String message;
if (latestBuild == -1) {
message = ShellUtils.getFormattedMessage("could_not_get_version");
} else if (latestBuild > currentVersion) {
message = ShellUtils.getFormattedMessage("newer_version_exists");
} else {
message = ShellUtils.getFormattedMessage("version_up_to_date");
}
session.getConsole().println(message);
session.getConsole().println();
}