private static String getRole(IValueConstraint constraint) {
return Iterables.getOnlyElement(constraint.getValues()).split("/")[0];
}
/**
* Check validity of and populates defaults in a task configuration. This will return a deep copy
* of the provided task configuration with default configuration values applied, and configuration
* map values sanitized and applied to their respective struct fields.
*
* @param config Task config to validate and populate.
* @return A reference to the modified {@code config} (for chaining).
* @throws TaskDescriptionException If the task is invalid.
*/
public ITaskConfig validateAndPopulate(ITaskConfig config) throws TaskDescriptionException {
TaskConfig builder = config.newBuilder();
if (!builder.isSetRequestedPorts()) {
builder.setRequestedPorts(ImmutableSet.of());
}
if (config.isSetTier() && !UserProvidedStrings.isGoodIdentifier(config.getTier())) {
throw new TaskDescriptionException("Tier contains illegal characters: " + config.getTier());
}
try {
tierManager.getTier(config);
} catch (IllegalArgumentException e) {
throw new TaskDescriptionException(e.getMessage(), e);
}
if (!JobKeys.isValid(config.getJob())) {
// Job key is set but invalid
throw new TaskDescriptionException("Job key " + config.getJob() + " is invalid.");
}
// A task must either have an executor configuration or specify a Docker container.
if (!builder.isSetExecutorConfig()
&& !(builder.isSetContainer() && builder.getContainer().isSetDocker())) {
throw new TaskDescriptionException(NO_EXECUTOR_OR_CONTAINER);
}
// Docker containers don't require executors, validate the rest
if (builder.isSetExecutorConfig()) {
if (!builder.getExecutorConfig().isSetName()) {
throw new TaskDescriptionException(INVALID_EXECUTOR_CONFIG);
}
executorSettings
.getExecutorConfig(builder.getExecutorConfig().getName())
.orElseThrow(
() ->
new TaskDescriptionException(
"Configuration for executor '"
+ builder.getExecutorConfig().getName()
+ "' doesn't exist."));
}
// Maximize the usefulness of any thrown error message by checking required fields first.
for (RequiredFieldValidator<?> validator : REQUIRED_FIELDS_VALIDATORS) {
validator.validate(builder);
}
IConstraint constraint = getDedicatedConstraint(config);
if (constraint != null) {
if (!isValueConstraint(constraint.getConstraint())) {
throw new TaskDescriptionException("A dedicated constraint must be of value type.");
}
IValueConstraint valueConstraint = constraint.getConstraint().getValue();
if (valueConstraint.getValues().size() != 1) {
throw new TaskDescriptionException("A dedicated constraint must have exactly one value");
}
String dedicatedRole = getRole(valueConstraint);
if (!("*".equals(dedicatedRole) || config.getJob().getRole().equals(dedicatedRole))) {
throw new TaskDescriptionException(
"Only " + dedicatedRole + " may use hosts dedicated for that role.");
}
}
Optional<Container._Fields> containerType;
if (config.isSetContainer()) {
IContainer containerConfig = config.getContainer();
containerType = Optional.of(containerConfig.getSetField());
if (containerConfig.isSetDocker()) {
if (!containerConfig.getDocker().isSetImage()) {
throw new TaskDescriptionException("A container must specify an image.");
}
if (containerConfig.getDocker().getParameters().isEmpty()) {
for (Map.Entry<String, String> e : settings.defaultDockerParameters.entries()) {
builder
.getContainer()
.getDocker()
.addToParameters(new DockerParameter(e.getKey(), e.getValue()));
}
} else {
if (!settings.allowDockerParameters) {
throw new TaskDescriptionException(NO_DOCKER_PARAMETERS);
}
}
if (settings.requireDockerUseExecutor && !config.isSetExecutorConfig()) {
throw new TaskDescriptionException(EXECUTOR_REQUIRED_WITH_DOCKER);
}
}
} else {
// Default to mesos container type if unset.
containerType = Optional.of(Container._Fields.MESOS);
}
if (!containerType.isPresent()) {
throw new TaskDescriptionException("A job must have a container type.");
}
if (!settings.allowedContainerTypes.contains(containerType.get())) {
throw new TaskDescriptionException(
"This scheduler is not configured to allow the container type "
+ containerType.get().toString());
}
thriftBackfill.backfillTask(builder);
String types =
config
.getResources()
.stream()
.collect(Collectors.groupingBy(e -> ResourceType.fromResource(e)))
.entrySet()
.stream()
.filter(e -> !e.getKey().isMultipleAllowed() && e.getValue().size() > 1)
.map(r -> r.getKey().getAuroraName())
.sorted()
.collect(Collectors.joining(", "));
if (!Strings.isNullOrEmpty(types)) {
throw new TaskDescriptionException("Multiple resource values are not supported for " + types);
}
if (!settings.allowGpuResource
&& config
.getResources()
.stream()
.filter(r -> ResourceType.fromResource(r).equals(GPUS))
.findAny()
.isPresent()) {
throw new TaskDescriptionException("GPU resource support is disabled in this cluster.");
}
if (!settings.enableMesosFetcher && !config.getMesosFetcherUris().isEmpty()) {
throw new TaskDescriptionException(MESOS_FETCHER_DISABLED);
}
if (config.getContainer().isSetMesos()) {
IMesosContainer container = config.getContainer().getMesos();
if (!settings.allowContainerVolumes && !container.getVolumes().isEmpty()) {
throw new TaskDescriptionException(NO_CONTAINER_VOLUMES);
}
}
maybeFillLinks(builder);
return ITaskConfig.build(builder);
}
/**
* Check validity of and populates defaults in a task configuration. This will return a deep copy
* of the provided task configuration with default configuration values applied, and configuration
* map values sanitized and applied to their respective struct fields.
*
* @param config Task config to validate and populate.
* @return A reference to the modified {@code config} (for chaining).
* @throws TaskDescriptionException If the task is invalid.
*/
public static ITaskConfig validateAndPopulate(ITaskConfig config)
throws TaskDescriptionException {
TaskConfig builder = config.newBuilder();
if (!builder.isSetRequestedPorts()) {
builder.setRequestedPorts(ImmutableSet.of());
}
maybeFillLinks(builder);
if (!isGoodIdentifier(config.getJobName())) {
throw new TaskDescriptionException(
"Job name contains illegal characters: " + config.getJobName());
}
if (!isGoodIdentifier(config.getEnvironment())) {
throw new TaskDescriptionException(
"Environment contains illegal characters: " + config.getEnvironment());
}
if (config.isSetTier() && !isGoodIdentifier(config.getTier())) {
throw new TaskDescriptionException("Tier contains illegal characters: " + config.getTier());
}
if (config.isSetJob()) {
if (!JobKeys.isValid(config.getJob())) {
// Job key is set but invalid
throw new TaskDescriptionException("Job key " + config.getJob() + " is invalid.");
}
if (!config.getJob().getRole().equals(config.getOwner().getRole())) {
// Both owner and job key are set but don't match
throw new TaskDescriptionException("Role must match job owner.");
}
} else {
// TODO(maxim): Make sure both key and owner are populated to support older clients.
// Remove in 0.7.0. (AURORA-749).
// Job key is not set -> populate from owner, environment and name
assertOwnerValidity(config.getOwner());
builder.setJob(
JobKeys.from(config.getOwner().getRole(), config.getEnvironment(), config.getJobName())
.newBuilder());
}
if (!builder.isSetExecutorConfig()) {
throw new TaskDescriptionException("Configuration may not be null");
}
// Maximize the usefulness of any thrown error message by checking required fields first.
for (RequiredFieldValidator<?> validator : REQUIRED_FIELDS_VALIDATORS) {
validator.validate(builder);
}
IConstraint constraint = getDedicatedConstraint(config);
if (constraint != null) {
if (!isValueConstraint(constraint.getConstraint())) {
throw new TaskDescriptionException("A dedicated constraint must be of value type.");
}
IValueConstraint valueConstraint = constraint.getConstraint().getValue();
if (valueConstraint.getValues().size() != 1) {
throw new TaskDescriptionException("A dedicated constraint must have exactly one value");
}
String dedicatedRole = getRole(valueConstraint);
if (!config.getOwner().getRole().equals(dedicatedRole)) {
throw new TaskDescriptionException(
"Only " + dedicatedRole + " may use hosts dedicated for that role.");
}
}
Optional<Container._Fields> containerType;
if (config.isSetContainer()) {
IContainer containerConfig = config.getContainer();
containerType = Optional.of(containerConfig.getSetField());
if (containerConfig.isSetDocker()) {
if (!containerConfig.getDocker().isSetImage()) {
throw new TaskDescriptionException("A container must specify an image");
}
if (containerConfig.getDocker().isSetParameters()
&& !containerConfig.getDocker().getParameters().isEmpty()
&& !ENABLE_DOCKER_PARAMETERS.get()) {
throw new TaskDescriptionException("Docker parameters not allowed.");
}
}
} else {
// Default to mesos container type if unset.
containerType = Optional.of(Container._Fields.MESOS);
}
if (!containerType.isPresent()) {
throw new TaskDescriptionException("A job must have a container type.");
}
if (!ALLOWED_CONTAINER_TYPES.get().contains(containerType.get())) {
throw new TaskDescriptionException(
"The container type " + containerType.get().toString() + " is not allowed");
}
return ITaskConfig.build(builder);
}