org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource Maven / Gradle / Ivy
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* 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,
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package org.apache.kafka.connect.runtime.rest.resources;
import org.apache.kafka.connect.connector.Connector;
import org.apache.kafka.connect.runtime.ConnectorConfig;
import org.apache.kafka.connect.runtime.Herder;
import org.apache.kafka.connect.runtime.isolation.PluginDesc;
import org.apache.kafka.connect.runtime.rest.entities.ConfigInfos;
import org.apache.kafka.connect.runtime.rest.entities.ConnectorPluginInfo;
import org.apache.kafka.connect.tools.MockConnector;
import org.apache.kafka.connect.tools.MockSinkConnector;
import org.apache.kafka.connect.tools.MockSourceConnector;
import org.apache.kafka.connect.tools.SchemaSourceConnector;
import org.apache.kafka.connect.tools.VerifiableSinkConnector;
import org.apache.kafka.connect.tools.VerifiableSourceConnector;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@Path("/connector-plugins")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class ConnectorPluginsResource {
private static final String ALIAS_SUFFIX = "Connector";
private final Herder herder;
private final List connectorPlugins;
private static final List> CONNECTOR_EXCLUDES = Arrays.asList(
VerifiableSourceConnector.class, VerifiableSinkConnector.class,
MockConnector.class, MockSourceConnector.class, MockSinkConnector.class,
SchemaSourceConnector.class
);
public ConnectorPluginsResource(Herder herder) {
this.herder = herder;
this.connectorPlugins = new ArrayList<>();
}
@PUT
@Path("/{connectorType}/config/validate")
public ConfigInfos validateConfigs(
final @PathParam("connectorType") String connType,
final Map connectorConfig
) throws Throwable {
String includedConnType = connectorConfig.get(ConnectorConfig.CONNECTOR_CLASS_CONFIG);
if (includedConnType != null
&& !normalizedPluginName(includedConnType).endsWith(normalizedPluginName(connType))) {
throw new BadRequestException(
"Included connector type " + includedConnType + " does not match request type "
+ connType
);
}
return herder.validateConnectorConfig(connectorConfig);
}
@GET
@Path("/")
public List listConnectorPlugins() {
return getConnectorPlugins();
}
// TODO: improve once plugins are allowed to be added/removed during runtime.
private synchronized List getConnectorPlugins() {
if (connectorPlugins.isEmpty()) {
for (PluginDesc plugin : herder.plugins().connectors()) {
if (!CONNECTOR_EXCLUDES.contains(plugin.pluginClass())) {
connectorPlugins.add(new ConnectorPluginInfo(plugin));
}
}
}
return Collections.unmodifiableList(connectorPlugins);
}
private String normalizedPluginName(String pluginName) {
// Works for both full and simple class names. In the latter case, it generates the alias.
return pluginName.endsWith(ALIAS_SUFFIX) && pluginName.length() > ALIAS_SUFFIX.length()
? pluginName.substring(0, pluginName.length() - ALIAS_SUFFIX.length())
: pluginName;
}
}