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Fix fabric8io#2066: Added our own ResourceHandler for UberJar which c…
…ontains both Openshift and Kubernetes resources
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94 changes: 94 additions & 0 deletions
94
openshift-client/src/main/java/io/fabric8/openshift/client/OpenShiftHandlers.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package io.fabric8.openshift.client; | ||
|
|
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| import io.fabric8.kubernetes.api.builder.VisitableBuilder; | ||
| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.client.Handlers; | ||
| import io.fabric8.kubernetes.client.ResourceHandler; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import java.util.ServiceLoader; | ||
| import java.util.Set; | ||
| import java.util.function.Predicate; | ||
|
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| public final class OpenShiftHandlers { | ||
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| private static final Set<ClassLoader> CLASS_LOADERS = new HashSet<>(); | ||
| private static final Map<ResourceHandler.Key, ResourceHandler> RESOURCE_HANDLER_MAP = new HashMap<>(); | ||
| static { | ||
| // Register Kubernetes Handlers | ||
| discoverHandlers(ResourceHandler.class.getClassLoader()); | ||
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| // Register OpenShift Handlers | ||
| discoverHandlers(OpenShiftResourceHandler.class.getClassLoader()); | ||
| } | ||
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> void register(ResourceHandler<T,V> handler) { | ||
| RESOURCE_HANDLER_MAP.put(new ResourceHandler.Key(handler.getKind().toLowerCase(Locale.ROOT), handler.getApiVersion()), handler); | ||
| } | ||
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> void unregister(ResourceHandler<T,V> handler) { | ||
| RESOURCE_HANDLER_MAP.remove(new ResourceHandler.Key(handler.getKind().toLowerCase(Locale.ROOT), handler.getApiVersion())); | ||
| } | ||
|
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> get(String kind, String apiVersion) { | ||
| return get(kind, apiVersion, Thread.currentThread().getContextClassLoader()); | ||
| } | ||
|
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> get(String kind, String apiVersion, ClassLoader classLoader) { | ||
| return get(new ResourceHandler.Key(kind.toLowerCase(Locale.ROOT), apiVersion), classLoader); | ||
| } | ||
|
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> get(ResourceHandler.Key key) { | ||
| return get(key, Thread.currentThread().getContextClassLoader()); | ||
| } | ||
|
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| public static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> get(ResourceHandler.Key key, ClassLoader classLoader) { | ||
| if (RESOURCE_HANDLER_MAP.containsKey(key)) { | ||
| return RESOURCE_HANDLER_MAP.get(key); | ||
| } else { | ||
| // Check for Kubernetes | ||
| ResourceHandler resourceHandler = getResourceHandlerForClass(key, ResourceHandler.class, classLoader); | ||
| if (resourceHandler != null) { | ||
| return resourceHandler; | ||
| } | ||
|
|
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| // Check for OpenShift | ||
| resourceHandler = getResourceHandlerForClass(key, OpenShiftResourceHandler.class, classLoader); | ||
| return resourceHandler; | ||
| } | ||
| } | ||
|
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| private static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> fetchResourceHandlerFromServiceLoader(Class<ResourceHandler> handlerClass, ClassLoader classLoader, Predicate<ResourceHandler<T, V>> condition) { | ||
| for (ResourceHandler handler : ServiceLoader.load(handlerClass, classLoader)) { | ||
| if (condition.test(handler)) { | ||
| return handler; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
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| private static <T extends HasMetadata, V extends VisitableBuilder<T, V>> ResourceHandler<T, V> getResourceHandlerForClass(ResourceHandler.Key key, Class className, ClassLoader classLoader) { | ||
| //1st pass: match kind and apiVersion | ||
| ResourceHandler handler = fetchResourceHandlerFromServiceLoader(className, classLoader, h -> h.getKind().toLowerCase(Locale.ROOT).equals(key.getKind()) && h.getApiVersion().equals(key.getApiVersion())); | ||
| if (handler != null) { | ||
| return handler; | ||
| } | ||
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|
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| //2nd pass: match kind. | ||
| handler = fetchResourceHandlerFromServiceLoader(className, classLoader, h -> h.getKind().toLowerCase(Locale.ROOT).equals(key.getKind())); | ||
| return handler; | ||
| } | ||
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| protected static void discoverHandlers(ClassLoader classLoader) { | ||
| if (classLoader != null && CLASS_LOADERS.add(classLoader)) { | ||
| for (ResourceHandler handler : ServiceLoader.load(ResourceHandler.class, classLoader)) { | ||
| register(handler); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
7 changes: 7 additions & 0 deletions
7
openshift-client/src/main/java/io/fabric8/openshift/client/OpenShiftResourceHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package io.fabric8.openshift.client; | ||
|
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| import io.fabric8.kubernetes.api.builder.VisitableBuilder; | ||
| import io.fabric8.kubernetes.client.ResourceHandler; | ||
|
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| public interface OpenShiftResourceHandler<T, V extends VisitableBuilder<T, V>> extends ResourceHandler<T, V> { | ||
| } |
34 changes: 34 additions & 0 deletions
34
...l/internal/OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package io.fabric8.openshift.client.dsl.internal; | ||
|
|
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| import io.fabric8.kubernetes.api.builder.Visitor; | ||
| import io.fabric8.kubernetes.api.model.DeletionPropagation; | ||
| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.api.model.KubernetesList; | ||
| import io.fabric8.kubernetes.client.Config; | ||
| import io.fabric8.kubernetes.client.HasMetadataVisitiableBuilder; | ||
| import io.fabric8.kubernetes.client.ResourceHandler; | ||
| import io.fabric8.kubernetes.client.dsl.internal.NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableImpl; | ||
| import io.fabric8.kubernetes.client.handlers.KubernetesListHandler; | ||
| import io.fabric8.openshift.client.OpenShiftHandlers; | ||
| import okhttp3.OkHttpClient; | ||
|
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| import java.util.List; | ||
|
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| public class OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableImpl extends NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableImpl { | ||
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| public OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableImpl(OkHttpClient client, Config config, String namespace, String explicitNamespace, Boolean fromServer, Boolean deletingExisting, List<Visitor> visitors, Object item, long gracePeriodSeconds, DeletionPropagation propagationPolicy, Boolean cascading) { | ||
| super(client, config, namespace, explicitNamespace, fromServer, deletingExisting, visitors, item, gracePeriodSeconds, propagationPolicy, cascading); | ||
| } | ||
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| @Override | ||
| public <T> ResourceHandler handlerOf(T item) { | ||
| if (item instanceof HasMetadata) { | ||
| return OpenShiftHandlers.<HasMetadata, HasMetadataVisitiableBuilder>get(((HasMetadata) item).getKind(), ((HasMetadata) item).getApiVersion()); | ||
| } else if (item instanceof KubernetesList) { | ||
| return new KubernetesListHandler(); | ||
| } else { | ||
| throw new IllegalArgumentException("Could not find a registered handler for item: [" + item + "]."); | ||
| } | ||
| } | ||
|
|
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| } |
38 changes: 38 additions & 0 deletions
38
...ternal/OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package io.fabric8.openshift.client.dsl.internal; | ||
|
|
||
| import io.fabric8.kubernetes.api.builder.Visitor; | ||
| import io.fabric8.kubernetes.api.model.DeletionPropagation; | ||
| import io.fabric8.kubernetes.api.model.HasMetadata; | ||
| import io.fabric8.kubernetes.api.model.KubernetesList; | ||
| import io.fabric8.kubernetes.client.Config; | ||
| import io.fabric8.kubernetes.client.HasMetadataVisitiableBuilder; | ||
| import io.fabric8.kubernetes.client.ResourceHandler; | ||
| import io.fabric8.kubernetes.client.dsl.internal.NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl; | ||
| import io.fabric8.kubernetes.client.handlers.KubernetesListHandler; | ||
| import io.fabric8.openshift.client.OpenShiftHandlers; | ||
| import okhttp3.OkHttpClient; | ||
|
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| import java.io.InputStream; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
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| public class OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl extends NamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl { | ||
| public OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl(OkHttpClient client, Config config, String namespace, String explicitNamespace, Boolean fromServer, Boolean deletingExisting, List<Visitor> visitors, InputStream is, Map<String, String> parameters, Boolean cascading, DeletionPropagation propagationPolicy) { | ||
| super(client, config, namespace, explicitNamespace, fromServer, deletingExisting, visitors, is, parameters, cascading, propagationPolicy); | ||
| } | ||
|
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| public OpenShiftNamespaceVisitFromServerGetWatchDeleteRecreateWaitApplicableListImpl(OkHttpClient client, Config config, String namespace, String explicitNamespace, Boolean fromServer, Boolean deletingExisting, List<Visitor> visitors, Object item, InputStream inputStream, Map<String, String> parameters, long gracePeriodSeconds, DeletionPropagation propagationPolicy, Boolean cascading) { | ||
| super(client, config, namespace, explicitNamespace, fromServer, deletingExisting, visitors, item, inputStream, parameters, gracePeriodSeconds, propagationPolicy, cascading); | ||
| } | ||
|
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| @Override | ||
| public <T> ResourceHandler handlerOf(T item) { | ||
| if (item instanceof HasMetadata) { | ||
| return OpenShiftHandlers.<HasMetadata, HasMetadataVisitiableBuilder>get(((HasMetadata) item).getKind(), ((HasMetadata) item).getApiVersion()); | ||
| } else if (item instanceof KubernetesList) { | ||
| return new KubernetesListHandler(); | ||
| } else { | ||
| throw new IllegalArgumentException("Could not find a registered handler for item: [" + item + "]."); | ||
| } | ||
| } | ||
| } |
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