/**
* finds the entity indicated by the given ID or name
*
* <p>prefers ID based lookup in which case appId is optional, and if supplied will be enforced.
* optionally the name can be supplied, for cases when paths should work across versions, in which
* case names will be searched recursively (and the application is required).
*
* @throws 404 or 412 (unless input is null in which case output is null)
*/
public EntityLocal getEntity(String application, String entity) {
if (entity == null) return null;
Application app = application != null ? getApplication(application) : null;
EntityLocal e = (EntityLocal) mgmt.getEntityManager().getEntity(entity);
if (e != null) {
if (!Entitlements.isEntitled(mgmt.getEntitlementManager(), Entitlements.SEE_ENTITY, e)) {
throw WebResourceUtils.notFound(
"Cannot find entity '%s': no known ID and application not supplied for searching",
entity);
}
if (app == null || app.equals(findTopLevelApplication(e))) return e;
throw WebResourceUtils.preconditionFailed(
"Application '%s' specified does not match application '%s' to which entity '%s' (%s) is associated",
application, e.getApplication().getId(), entity, e);
}
if (application == null)
throw WebResourceUtils.notFound(
"Cannot find entity '%s': no known ID and application not supplied for searching",
entity);
assert app != null : "null app should not be returned from getApplication";
e = searchForEntityNamed(app, entity);
if (e != null) return e;
throw WebResourceUtils.notFound(
"Cannot find entity '%s' in application '%s' (%s)", entity, application, app);
}
public Task<?> expunge(final Entity entity, final boolean release) {
if (mgmt.getEntitlementManager()
.isEntitled(
Entitlements.getEntitlementContext(),
Entitlements.INVOKE_EFFECTOR,
Entitlements.EntityAndItem.of(entity, "expunge"))) {
return mgmt.getExecutionManager()
.submit(
MutableMap.of(
"displayName",
"expunging " + entity,
"description",
"REST call to expunge entity " + entity.getDisplayName() + " (" + entity + ")"),
new Runnable() {
@Override
public void run() {
if (release) Entities.destroyCatching(entity);
else mgmt.getEntityManager().unmanage(entity);
}
});
}
throw WebResourceUtils.unauthorized(
"User '%s' is not authorized to expunge entity %s",
Entitlements.getEntitlementContext().user(), entity);
}
/**
* true if the URL points to content which must be resolved on the server-side (i.e. classpath)
* and which is safe to do so (currently just images, though in future perhaps also javascript and
* html plugins)
*
* <p>note we do not let caller access classpath through this mechanism, just those which are
* supplied by the platform administrator e.g. as an icon url
*/
public boolean isUrlServerSideAndSafe(String url) {
if (Strings.isEmpty(url)) return false;
String ext = Files.getFileExtension(url);
if (Strings.isEmpty(ext)) return false;
MediaType mime = WebResourceUtils.getImageMediaTypeFromExtension(ext);
if (mime == null) return false;
return !Urls.isUrlWithProtocol(url) || url.startsWith("classpath:");
}
/**
* finds the policy indicated by the given ID or name.
*
* @see {@link getPolicy(String,String,String)}.
* <p>
* @throws 404 or 412 (unless input is null in which case output is null)
*/
public Policy getPolicy(Entity entity, String policy) {
if (policy == null) return null;
for (Policy p : entity.getPolicies()) {
if (policy.equals(p.getId())) return p;
}
for (Policy p : entity.getPolicies()) {
if (policy.equals(p.getName())) return p;
}
throw WebResourceUtils.notFound("Cannot find policy '%s' in entity '%s'", policy, entity);
}
@SuppressWarnings({"rawtypes"})
public Response createCatalogEntryFromGroovyCode(String groovyCode) {
ClassLoader parent = getCatalog().getRootClassLoader();
GroovyClassLoader loader = new GroovyClassLoader(parent);
Class clazz = loader.parseClass(groovyCode);
if (AbstractEntity.class.isAssignableFrom(clazz)) {
CatalogItem<?> item = getCatalog().addItem(clazz);
log.info("REST created " + item);
return Response.created(URI.create("entities/" + clazz.getName())).build();
} else if (AbstractPolicy.class.isAssignableFrom(clazz)) {
CatalogItem<?> item = getCatalog().addItem(clazz);
log.info("REST created " + item);
return Response.created(URI.create("policies/" + clazz.getName())).build();
}
throw WebResourceUtils.preconditionFailed(
"Unsupported type superclass " + clazz.getSuperclass() + "; expects Entity or Policy");
}
@SuppressWarnings("unchecked")
public Application create(ApplicationSpec spec) {
log.debug("REST creating application instance for {}", spec);
if (!Entitlements.isEntitled(
mgmt.getEntitlementManager(), Entitlements.DEPLOY_APPLICATION, spec)) {
throw WebResourceUtils.unauthorized(
"User '%s' is not authorized to deploy application %s",
Entitlements.getEntitlementContext().user(), spec);
}
final String type = spec.getType();
final String name = spec.getName();
final Map<String, String> configO = spec.getConfig();
final Set<EntitySpec> entities =
(spec.getEntities() == null) ? ImmutableSet.<EntitySpec>of() : spec.getEntities();
final Application instance;
// Load the class; first try to use the appropriate catalog item; but then allow anything that
// is on the classpath
final Class<? extends Entity> clazz;
if (Strings.isEmpty(type)) {
clazz = BasicApplication.class;
} else {
Class<? extends Entity> tempclazz;
try {
tempclazz = getCatalog().loadClassByType(type, Entity.class);
} catch (NoSuchElementException e) {
try {
tempclazz = (Class<? extends Entity>) getCatalog().getRootClassLoader().loadClass(type);
log.info(
"Catalog does not contain item for type {}; loaded class directly instead", type);
} catch (ClassNotFoundException e2) {
log.warn(
"No catalog item for type {}, and could not load class directly; rethrowing", type);
throw e;
}
}
clazz = tempclazz;
}
if (Entitlements.isEntitled(mgmt.getEntitlementManager(), Entitlements.INVOKE_EFFECTOR, null)) {
try {
if (ApplicationBuilder.class.isAssignableFrom(clazz)) {
Constructor<?> constructor = clazz.getConstructor();
ApplicationBuilder appBuilder = (ApplicationBuilder) constructor.newInstance();
if (!Strings.isEmpty(name)) appBuilder.appDisplayName(name);
if (entities.size() > 0)
log.warn(
"Cannot supply additional entities when using an ApplicationBuilder; ignoring in spec {}",
spec);
log.info("REST placing '{}' under management", spec.getName());
appBuilder.configure(convertFlagsToKeys(appBuilder.getType(), configO));
configureRenderingMetadata(spec, appBuilder);
instance = appBuilder.manage(mgmt);
} else if (Application.class.isAssignableFrom(clazz)) {
brooklyn.entity.proxying.EntitySpec<?> coreSpec = toCoreEntitySpec(clazz, name, configO);
configureRenderingMetadata(spec, coreSpec);
instance = (Application) mgmt.getEntityManager().createEntity(coreSpec);
for (EntitySpec entitySpec : entities) {
log.info("REST creating instance for entity {}", entitySpec.getType());
instance.addChild(mgmt.getEntityManager().createEntity(toCoreEntitySpec(entitySpec)));
}
log.info(
"REST placing '{}' under management", spec.getName() != null ? spec.getName() : spec);
Entities.startManagement(instance, mgmt);
} else if (Entity.class.isAssignableFrom(clazz)) {
if (entities.size() > 0)
log.warn(
"Cannot supply additional entities when using a non-application entity; ignoring in spec {}",
spec);
brooklyn.entity.proxying.EntitySpec<?> coreSpec =
toCoreEntitySpec(BasicApplication.class, name, configO);
configureRenderingMetadata(spec, coreSpec);
instance = (Application) mgmt.getEntityManager().createEntity(coreSpec);
final Class<? extends Entity> eclazz =
getCatalog().loadClassByType(spec.getType(), Entity.class);
Entity soleChild =
mgmt.getEntityManager().createEntity(toCoreEntitySpec(eclazz, name, configO));
instance.addChild(soleChild);
instance.addEnricher(Enrichers.builder().propagatingAll().from(soleChild).build());
log.info("REST placing '{}' under management", spec.getName());
Entities.startManagement(instance, mgmt);
} else {
throw new IllegalArgumentException(
"Class " + clazz + " must extend one of ApplicationBuilder, Application or Entity");
}
return instance;
} catch (Exception e) {
log.error("REST failed to create application: " + e, e);
throw Exceptions.propagate(e);
}
}
throw WebResourceUtils.unauthorized(
"User '%s' is not authorized to create application from applicationSpec %s",
Entitlements.getEntitlementContext().user(), spec);
}
