@SuppressWarnings("unchecked")
private boolean noOtherEnabled(final ServiceConfiguration config) {
return Iterables.isEmpty(
ServiceConfigurations.filter(
CloudFormation.class,
Predicates.and(
ServiceConfigurations.filterHostLocal(),
ServiceConfigurations.filterEnabled(),
Predicates.not(Predicates.equalTo(config)))));
}
@Override
public ServiceStatusDetail apply(final CheckException input) {
final ServiceConfiguration config =
ServiceConfigurations.lookupByName(input.getServiceName());
return new ServiceStatusDetail() {
{
this.setSeverity(input.getSeverity().toString());
this.setUuid(input.getCorrelationId());
this.setTimestamp(input.getTimestamp().toString());
this.setMessage(
input.getMessage() != null
? input.getMessage()
: "No summary information available.");
this.setStackTrace(
input.getStackString() != null
? input.getStackString()
: Exceptions.string(
new RuntimeException(
"Error while mapping service event record: No stack information available")));
this.setServiceFullName(config.getFullName().toString());
this.setServiceHost(config.getHostName());
this.setServiceName(input.getServiceName());
}
};
}
public static ServiceConfiguration findService(final String name) {
checkParam(name, notNullValue());
Predicate<ServiceConfiguration> nameOrFullName =
new Predicate<ServiceConfiguration>() {
@Override
public boolean apply(ServiceConfiguration input) {
return name.equals(input.getName()) || name.equals(input.getFullName().toString());
}
};
for (final ComponentId compId : ComponentIds.list()) {
ServiceConfiguration a;
try {
return Iterables.find(Components.lookup(compId).services(), nameOrFullName);
} catch (NoSuchElementException ex) {
if (compId.isRegisterable()) {
try {
return ServiceConfigurations.lookupByName(compId.getClass(), name);
} catch (Exception ex1) {
}
}
}
}
throw new NoSuchElementException("Failed to lookup service named: " + name);
}
public static DescribeServicesResponseType describeService(final DescribeServicesType request) {
final DescribeServicesResponseType reply = request.getReply();
Topology.touch(request);
if (request.getServices().isEmpty()) {
final ComponentId compId =
(request.getByServiceType() != null)
? ComponentIds.lookup(request.getByServiceType().toLowerCase())
: Empyrean.INSTANCE;
final boolean showEventStacks = Boolean.TRUE.equals(request.getShowEventStacks());
final boolean showEvents = Boolean.TRUE.equals(request.getShowEvents()) || showEventStacks;
final Function<ServiceConfiguration, ServiceStatusType> transformToStatus =
ServiceConfigurations.asServiceStatus(showEvents, showEventStacks);
final List<Predicate<ServiceConfiguration>> filters =
new ArrayList<Predicate<ServiceConfiguration>>() {
{
if (request.getByPartition() != null) {
Partitions.exists(request.getByPartition());
this.add(Filters.partition(request.getByPartition()));
}
if (request.getByState() != null) {
final Component.State stateFilter =
Component.State.valueOf(request.getByState().toUpperCase());
this.add(Filters.state(stateFilter));
}
if (!request.getServiceNames().isEmpty()) {
this.add(Filters.name(request.getServiceNames()));
}
this.add(Filters.host(request.getByHost()));
this.add(
Filters.listAllOrInternal(
request.getListAll(),
request.getListUserServices(),
request.getListInternal()));
}
};
final Predicate<Component> componentFilter = Filters.componentType(compId);
final Predicate<ServiceConfiguration> configPredicate = Predicates.and(filters);
List<ServiceConfiguration> replyConfigs = Lists.newArrayList();
for (final Component comp : Components.list()) {
if (componentFilter.apply(comp)) {
Collection<ServiceConfiguration> acceptedConfigs =
Collections2.filter(comp.services(), configPredicate);
replyConfigs.addAll(acceptedConfigs);
}
}
ImmutableList<ServiceConfiguration> sortedReplyConfigs =
ServiceOrderings.defaultOrdering().immutableSortedCopy(replyConfigs);
final Collection<ServiceStatusType> transformedReplyConfigs =
Collections2.transform(sortedReplyConfigs, transformToStatus);
reply.getServiceStatuses().addAll(transformedReplyConfigs);
} else {
for (ServiceId s : request.getServices()) {
reply.getServiceStatuses().add(TypeMappers.transform(s, ServiceStatusType.class));
}
}
return reply;
}
public static <T extends ServiceConfiguration, C extends ComponentId> List<T> list(
final Class<C> type) throws PersistenceException {
if (!ComponentId.class.isAssignableFrom(type)) {
throw new PersistenceException(
"Unknown configuration type passed: " + type.getCanonicalName());
} else {
final T example = (T) ServiceBuilders.lookup(type).newInstance();
return ServiceConfigurations.list(example);
}
}
/**
* Update the {@link #partitionActiveNetworkTags} map by removing any {@code key} values which
* no longer have a corresponding service registration.
*
* @throws PersistenceException
*/
private void removeStalePartitions() throws PersistenceException {
Set<String> partitions = Sets.newHashSet();
for (ServiceConfiguration cc : ServiceConfigurations.list(ClusterController.class)) {
partitions.add(cc.getPartition());
}
for (String stalePartition :
Sets.difference(this.activeTagsByPartition.keySet(), partitions)) {
this.activeTagsByPartition.removeAll(stalePartition);
}
}
/*
* Ensures that the proposed value is valid based on the set of valid values for OSGs
* Additional DB lookup required for remote OSGs where the CLC doesn't have the OSG bits
* installed and therefore doesn't have the same view of the set of valid values.
* (non-Javadoc)
* @see com.eucalyptus.configurable.PropertyChangeListener#fireChange(com.eucalyptus.configurable.ConfigurableProperty, java.lang.Object)
*/
@Override
public void fireChange(ConfigurableProperty t, String newValue)
throws ConfigurablePropertyException {
String existingValue = (String) t.getValue();
List<ServiceConfiguration> objConfigs = null;
try {
objConfigs = ServiceConfigurations.list(ObjectStorage.class);
} catch (NoSuchElementException e) {
throw new ConfigurablePropertyException("No ObjectStorage configurations found");
}
final String proposedValue = newValue;
final Set<String> validEntries = Sets.newHashSet();
EntityTransaction tx = Entities.get(ObjectStorageConfiguration.class);
try {
if (!Iterables.any(
Components.lookup(ObjectStorage.class).services(),
new Predicate<ServiceConfiguration>() {
@Override
public boolean apply(ServiceConfiguration config) {
if (config.isVmLocal()) {
// Service is local, so add entries to the valid list (in case of HA configs)
// and then check the local memory state
validEntries.addAll(ObjectStorageProviders.list());
return ObjectStorageProviders.contains(proposedValue);
} else {
try {
// Remote SC, so check the db for the list of valid entries.
ObjectStorageConfiguration objConfig =
Entities.uniqueResult((ObjectStorageConfiguration) config);
for (String entry : Splitter.on(",").split(objConfig.getAvailableClients())) {
validEntries.add(entry);
}
return validEntries.contains(proposedValue);
} catch (Exception e) {
return false;
}
}
}
})) {
// Nothing matched.
throw new ConfigurablePropertyException(
"Cannot modify "
+ t.getQualifiedName()
+ "."
+ t.getFieldName()
+ " new value is not a valid value. "
+ "Legal values are: "
+ Joiner.on(",").join(validEntries));
}
} finally {
tx.rollback();
}
}
@PrePersist
private void updateRedundantConfig() {
// Checks to see if other SCs exist in the same partition and uses the same backend config if it
// exists.
if (this.blockStorageManager == null && this.getPartition() != null) {
for (ServiceConfiguration s :
ServiceConfigurations.listPartition(Storage.class, this.getPartition())) {
StorageControllerConfiguration otherSc = (StorageControllerConfiguration) s;
this.blockStorageManager =
otherSc.getBlockStorageManager() != null ? otherSc.getBlockStorageManager() : null;
}
}
}
public DescribeServicesResponseType user(final DescribeServicesType request) {
final DescribeServicesResponseType reply = request.getReply();
/**
* Only show public services to normal users. Allow for filtering by component and state w/in
* that set.
*/
final List<Predicate<ServiceConfiguration>> filters =
new ArrayList<Predicate<ServiceConfiguration>>() {
{
this.add(Filters.publicService());
if (request.getByPartition() != null) {
this.add(Filters.partition(request.getByPartition()));
}
if (request.getByState() != null) {
this.add(
Filters.state(Component.State.valueOf(request.getByState().toUpperCase())));
}
}
};
final Predicate<Component> componentFilter =
(Predicate<Component>)
(request.getByServiceType() != null
? Filters.componentType(
ComponentIds.lookup(request.getByServiceType().toLowerCase()))
: Predicates.alwaysTrue());
final Predicate<ServiceConfiguration> configPredicate = Predicates.and(filters);
final Collection<ServiceConfiguration> replyConfigs = Lists.newArrayList();
for (final Component comp : Iterables.filter(Components.list(), componentFilter)) {
replyConfigs.addAll(Collections2.filter(comp.services(), configPredicate));
}
final ImmutableList<ServiceConfiguration> sortedReplyConfigs =
ServiceOrderings.defaultOrdering().immutableSortedCopy(replyConfigs);
final Collection<ServiceStatusType> replyStatuses =
Collections2.transform(
sortedReplyConfigs, ServiceConfigurations.asServiceStatus(false, false));
reply.getServiceStatuses().addAll(replyStatuses);
return reply;
}
@Override
public ServiceConfiguration newInstance() {
ComponentId compId = this.getComponentId();
return ServiceConfigurations.createEphemeral(compId);
}
@Override
public ServiceConfiguration newInstance(
String partition, String name, String host, Integer port) {
ComponentId compId = this.getComponentId();
return ServiceConfigurations.createEphemeral(compId);
}
public static <T extends ServiceConfiguration, C extends ComponentId> Iterable<T> filter(
final Class<C> type, final Predicate<T> pred) throws PersistenceException {
List<T> list = ServiceConfigurations.list(type);
return Iterables.filter(list, pred);
}
@Override
public void fireChange(ConfigurableProperty t, String newValue)
throws ConfigurablePropertyException {
String existingValue = (String) t.getValue();
if (existingValue != null && !"<unset>".equals(existingValue)) {
throw new ConfigurablePropertyException(
"Cannot change extant storage backend configuration. You must deregister all SCs in the partition before you can change the configuration value");
} else {
// Try to figure out the partition name for the request
String probablePartitionName = ((MultiDatabasePropertyEntry) t).getEntrySetName();
if (probablePartitionName == null) {
throw new ConfigurablePropertyException(
"Could not determing partition name from property to check validity");
}
String[] parts = probablePartitionName.split("\\.");
if (parts == null || parts.length == 0) {
throw new ConfigurablePropertyException(
"Could not determing partition name from property to check validity: "
+ probablePartitionName);
}
probablePartitionName = parts[0];
/*Look through the service configurations for each SC in the partition and see if the value is valid.
* This step must work if we don't allow the user to change it once set.
* The difficulty here is if 2 SCs are in an HA pair but have different backends installed (i.e. packages)
* The implemented semantic is that if the proposed value is valid in either SC, then allow the change.
*/
List<ServiceConfiguration> scConfigs = null;
try {
scConfigs = ServiceConfigurations.listPartition(Storage.class, probablePartitionName);
} catch (NoSuchElementException e) {
throw new ConfigurablePropertyException(
"No Storage Controller configurations found for partition: " + probablePartitionName);
}
final String proposedValue = newValue;
final Set<String> validEntries = Sets.newHashSet();
EntityTransaction tx = Entities.get(StorageControllerConfiguration.class);
try {
if (!Iterables.any(
scConfigs,
new Predicate<ServiceConfiguration>() {
@Override
public boolean apply(ServiceConfiguration config) {
if (config.isVmLocal()) {
// Service is local, so add entries to the valid list (in case of HA configs)
// and then check the local memory state
validEntries.addAll(StorageManagers.list());
return StorageManagers.contains(proposedValue);
} else {
try {
// Remote SC, so check the db for the list of valid entries.
StorageControllerConfiguration scConfig =
Entities.uniqueResult((StorageControllerConfiguration) config);
for (String entry : Splitter.on(",").split(scConfig.getAvailableBackends())) {
validEntries.add(entry);
}
return validEntries.contains(proposedValue);
} catch (Exception e) {
return false;
}
}
}
})) {
// Nothing matched.
throw new ConfigurablePropertyException(
"Cannot modify "
+ t.getQualifiedName()
+ "."
+ t.getFieldName()
+ " new value is not a valid value. "
+ "Legal values are: "
+ Joiner.on(",").join(validEntries));
}
} finally {
tx.rollback();
}
}
}
