/** A helper method for checking if all mandatory apps are present. */
private void checkMandatory() {
String[] mandatoryApps = settings.getAsArray("apps.mandatory", null);
if (mandatoryApps != null) {
Set<String> missingApps = Sets.newHashSet();
for (String mandatoryApp : mandatoryApps) {
boolean found = false;
// do not check versions
for (App app : apps.values()) {
String appName = app.groupId() + ":" + app.artifactId();
if (mandatoryApp.startsWith(appName)) {
found = true;
}
}
if (!found && !missingApps.contains(mandatoryApp)) {
missingApps.add(mandatoryApp);
}
}
if (!missingApps.isEmpty()) {
throw new ElasticSearchException(
"Missing mandatory apps ["
+ Strings.collectionToDelimitedString(missingApps, ", ")
+ "]");
}
}
}
/**
* Prepares the settings by gathering all elasticsearch system properties, optionally loading the
* configuration settings, and then replacing all property placeholders. If a {@link Terminal} is
* provided and configuration settings are loaded, settings with a value of <code>${prompt.text}
* </code> or <code>${prompt.secret}</code> will result in a prompt for the setting to the user.
*
* @param input The custom settings to use. These are not overwritten by settings in the
* configuration file.
* @param terminal the Terminal to use for input/output
* @return the {@link Settings} and {@link Environment} as a {@link Tuple}
*/
public static Environment prepareEnvironment(Settings input, Terminal terminal) {
// just create enough settings to build the environment, to get the config dir
Settings.Builder output = settingsBuilder();
initializeSettings(output, input, true);
Environment environment = new Environment(output.build());
boolean settingsFileFound = false;
Set<String> foundSuffixes = new HashSet<>();
for (String allowedSuffix : ALLOWED_SUFFIXES) {
Path path = environment.configFile().resolve("elasticsearch" + allowedSuffix);
if (Files.exists(path)) {
if (!settingsFileFound) {
output.loadFromPath(path);
}
settingsFileFound = true;
foundSuffixes.add(allowedSuffix);
}
}
if (foundSuffixes.size() > 1) {
throw new SettingsException(
"multiple settings files found with suffixes: "
+ Strings.collectionToDelimitedString(foundSuffixes, ","));
}
// re-initialize settings now that the config file has been loaded
// TODO: only re-initialize if a config file was actually loaded
initializeSettings(output, input, false);
finalizeSettings(output, terminal, environment.configFile());
environment = new Environment(output.build());
// we put back the path.logs so we can use it in the logging configuration file
output.put(
Environment.PATH_LOGS_SETTING.getKey(),
cleanPath(environment.logsFile().toAbsolutePath().toString()));
return new Environment(output.build());
}
