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adding Intercept Interface (apache#10)
* adding Intercept Interface * adding intercept classes * addressing comments * updating impl * adding * improving * adding implementation * fixes * improving impl * removing impl Refactor intercept interface (apache#12) * refactoring intercept interface * cleaning up * fix bug
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23 changes: 23 additions & 0 deletions
23
...r-common/src/main/java/org/apache/pulsar/broker/intercept/FunctionsInterceptProvider.java
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| package org.apache.pulsar.broker.intercept; | ||
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| import org.apache.pulsar.common.functions.FunctionConfig; | ||
| import org.apache.pulsar.common.io.SinkConfig; | ||
| import org.apache.pulsar.common.io.SourceConfig; | ||
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| public interface FunctionsInterceptProvider { | ||
| /** | ||
| * Intercept call for create function | ||
| * | ||
| * @param functionConfig function config of the function to be created | ||
| * @param clientRole the role used to create function | ||
| */ | ||
| default void createFunction(FunctionConfig functionConfig, String clientRole) throws InterceptException {} | ||
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| /** | ||
| * Intercept call for update function | ||
| * @param functionConfig function config of the function to be updated | ||
| * @param existingFunctionConfig | ||
| * @param clientRole the role used to update function | ||
| */ | ||
| default void updateFunction(FunctionConfig functionConfig, FunctionConfig existingFunctionConfig, String clientRole) throws InterceptException {} | ||
| } |
34 changes: 34 additions & 0 deletions
34
...er-common/src/main/java/org/apache/pulsar/broker/intercept/FunctionsInterceptService.java
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| package org.apache.pulsar.broker.intercept; | ||
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| import org.apache.pulsar.common.functions.FunctionConfig; | ||
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| public class FunctionsInterceptService { | ||
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| private final FunctionsInterceptProvider provider; | ||
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| public FunctionsInterceptService(FunctionsInterceptProvider functionsInterceptProvider) { | ||
| this.provider = functionsInterceptProvider; | ||
| } | ||
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| /** | ||
| * Intercept call for create function | ||
| * | ||
| * @param functionConfig function config of the function to be created | ||
| * @param clientRole the role used to create function | ||
| */ | ||
| public void createFunction(FunctionConfig functionConfig, String clientRole) throws InterceptException { | ||
| provider.createFunction(functionConfig, clientRole); | ||
| } | ||
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| /** | ||
| * Intercept call for update source | ||
| * | ||
| * @param updates updates to this function's function config | ||
| * @param existingFunctionConfig the existing function config | ||
| * @param clientRole the role used to update function | ||
| */ | ||
| public void updateFunction(FunctionConfig updates, FunctionConfig existingFunctionConfig, String clientRole) throws InterceptException { | ||
| provider.updateFunction(updates, existingFunctionConfig, clientRole); | ||
| } | ||
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| } |
36 changes: 36 additions & 0 deletions
36
...ar-broker-common/src/main/java/org/apache/pulsar/broker/intercept/InterceptException.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.intercept; | ||
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| import lombok.Getter; | ||
| import lombok.NoArgsConstructor; | ||
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| import java.util.Optional; | ||
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| @Getter | ||
| @NoArgsConstructor | ||
| public class InterceptException extends Exception { | ||
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| private Optional<Integer> errorCode = Optional.empty(); | ||
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| public InterceptException(Integer errorCode, String errorMessage) { | ||
| super(errorMessage); | ||
| this.errorCode = Optional.of(errorCode); | ||
| } | ||
| } |
59 changes: 59 additions & 0 deletions
59
pulsar-broker-common/src/main/java/org/apache/pulsar/broker/intercept/InterceptProvider.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.intercept; | ||
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| import org.apache.pulsar.broker.ServiceConfiguration; | ||
| import org.apache.pulsar.client.admin.PulsarAdmin; | ||
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| /** | ||
| * This class provides a mechanism to intercept various API calls | ||
| */ | ||
| public interface InterceptProvider { | ||
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| default TenantsInterceptProvider getTenantInterceptProvider() { | ||
| return new TenantsInterceptProvider() {}; | ||
| } | ||
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| default NamespacesInterceptProvider getNamespaceInterceptProvider() { | ||
| return new NamespacesInterceptProvider() {}; | ||
| } | ||
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| default TopicsInterceptProvider getTopicInterceptProvider() { | ||
| return new TopicsInterceptProvider() {}; | ||
| } | ||
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| default FunctionsInterceptProvider getFunctionsInterceptProvider() { | ||
| return new FunctionsInterceptProvider() {}; | ||
| } | ||
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| default SourcesInterceptProvider getSourcesInterceptProvider() { | ||
| return new SourcesInterceptProvider() {}; | ||
| } | ||
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| default SinksInterceptProvider getSinksInterceptProvider() { | ||
| return new SinksInterceptProvider() {}; | ||
| } | ||
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| /** | ||
| * Perform initialization for the intercept provider | ||
| * | ||
| * @param conf broker config object | ||
| */ | ||
| default void initialize(ServiceConfiguration conf, PulsarAdmin pulsarAdmin) throws InterceptException {} | ||
| } |
95 changes: 95 additions & 0 deletions
95
pulsar-broker-common/src/main/java/org/apache/pulsar/broker/intercept/InterceptService.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.intercept; | ||
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| import com.google.common.annotations.Beta; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.pulsar.broker.PulsarServerException; | ||
| import org.apache.pulsar.broker.ServiceConfiguration; | ||
| import org.apache.pulsar.client.admin.PulsarAdmin; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| /** | ||
| * Service that manages intercepting API calls to a pulsar cluster | ||
| */ | ||
| @Beta | ||
| public class InterceptService { | ||
| private static final Logger log = LoggerFactory.getLogger(InterceptService.class); | ||
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| private InterceptProvider provider; | ||
| private final ServiceConfiguration conf; | ||
| private final TenantsInterceptService tenantInterceptService; | ||
| private final NamespacesInterceptService namespaceInterceptService; | ||
| private final TopicInterceptService topicInterceptService; | ||
| private final FunctionsInterceptService functionInterceptService; | ||
| private final SinksInterceptService sinkInterceptService; | ||
| private final SourcesInterceptService sourceInterceptService; | ||
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| public InterceptService(ServiceConfiguration conf, PulsarAdmin pulsarAdmin) | ||
| throws PulsarServerException { | ||
| this.conf = conf; | ||
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| try { | ||
| final String providerClassname = conf.getInterceptProvider(); | ||
| if (StringUtils.isNotBlank(providerClassname)) { | ||
| provider = (InterceptProvider) Class.forName(providerClassname).newInstance(); | ||
| provider.initialize(conf, pulsarAdmin); | ||
| log.info("Interceptor {} has been loaded.", providerClassname); | ||
| } else { | ||
| provider = new InterceptProvider() {}; | ||
| } | ||
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| tenantInterceptService = new TenantsInterceptService(provider.getTenantInterceptProvider()); | ||
| namespaceInterceptService = new NamespacesInterceptService(provider.getNamespaceInterceptProvider()); | ||
| topicInterceptService = new TopicInterceptService(provider.getTopicInterceptProvider()); | ||
| functionInterceptService = new FunctionsInterceptService(provider.getFunctionsInterceptProvider()); | ||
| sourceInterceptService = new SourcesInterceptService(provider.getSourcesInterceptProvider()); | ||
| sinkInterceptService = new SinksInterceptService(provider.getSinksInterceptProvider()); | ||
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| } catch (Throwable e) { | ||
| throw new PulsarServerException("Failed to load an intercept provider.", e); | ||
| } | ||
| } | ||
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| public TenantsInterceptService tenants() { | ||
| return tenantInterceptService; | ||
| } | ||
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| public NamespacesInterceptService namespaces() { | ||
| return namespaceInterceptService; | ||
| } | ||
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| public TopicInterceptService topics() { | ||
| return topicInterceptService; | ||
| } | ||
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| public FunctionsInterceptService functions() { | ||
| return functionInterceptService; | ||
| } | ||
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| public SourcesInterceptService sources() { | ||
| return sourceInterceptService; | ||
| } | ||
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| public SinksInterceptService sinks() { | ||
| return sinkInterceptService; | ||
| } | ||
| } |
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