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Create AgentNativeConnectionProvider and DistributedNativeConnectionP…
…rovider (#688) * Introduce datacenterAware Config for CQLSession * Introduce rackAware and hostAware * Fix ecc.yml Comments and Default Values for Datacenters and Racks * Initial Implementation of AgentNativeConnectionProvider and DatacenterNativeConnectionProvider * Introduce rackAware and hostAware * Rebase feature/provider With feature/config * Introduce Distributed and Agent Provider * Add AgentNative Task on CHANGES.MD
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.../java/com/ericsson/bss/cassandra/ecchronos/application/AgentNativeConnectionProvider.java
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| /* | ||
| * Copyright 2024 Telefonaktiebolaget LM Ericsson | ||
| * | ||
| * Licensed 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 com.ericsson.bss.cassandra.ecchronos.application; | ||
|
|
||
| import java.net.InetSocketAddress; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import java.util.function.Supplier; | ||
|
|
||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import com.datastax.oss.driver.api.core.AllNodesFailedException; | ||
| import com.datastax.oss.driver.api.core.auth.AuthProvider; | ||
| import com.datastax.oss.driver.api.core.ssl.SslEngineFactory; | ||
| import com.datastax.oss.driver.api.core.CqlSession; | ||
| import com.datastax.oss.driver.api.core.metadata.Node; | ||
|
|
||
| import io.micrometer.core.instrument.MeterRegistry; | ||
| import com.ericsson.bss.cassandra.ecchronos.application.config.Config; | ||
| import com.ericsson.bss.cassandra.ecchronos.application.config.security.Security; | ||
| import com.ericsson.bss.cassandra.ecchronos.connection.NativeConnectionProvider; | ||
| import com.ericsson.bss.cassandra.ecchronos.connection.impl.DistributedNativeConnectionProvider; | ||
| import com.ericsson.bss.cassandra.ecchronos.application.config.connection.AgentConnectionConfig; | ||
| import com.ericsson.bss.cassandra.ecchronos.application.config.connection.NativeConnection; | ||
| import com.ericsson.bss.cassandra.ecchronos.connection.CertificateHandler; | ||
| import com.ericsson.bss.cassandra.ecchronos.core.repair.DefaultRepairConfigurationProvider; | ||
|
|
||
| public class AgentNativeConnectionProvider implements NativeConnectionProvider | ||
| { | ||
| private static final Logger LOG = LoggerFactory.getLogger(AgentNativeConnectionProvider.class); | ||
|
|
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| private final DistributedNativeConnectionProvider myDistributedNativeConnectionProvider; | ||
|
|
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| public AgentNativeConnectionProvider( | ||
| final Config config, | ||
| final Supplier<Security.CqlSecurity> cqlSecuritySupplier, | ||
| final CertificateHandler certificateHandler, | ||
| final DefaultRepairConfigurationProvider defaultRepairConfigurationProvider, | ||
| final MeterRegistry meterRegistry) | ||
| { | ||
| NativeConnection nativeConfig = config.getConnectionConfig().getCqlConnection(); | ||
| AgentConnectionConfig agentConnectionConfig = config.getConnectionConfig().getCqlConnection() | ||
| .getAgentConnectionConfig(); | ||
| boolean remoteRouting = nativeConfig.getRemoteRouting(); | ||
| Security.CqlSecurity cqlSecurity = cqlSecuritySupplier.get(); | ||
| boolean authEnabled = cqlSecurity.getCqlCredentials().isEnabled(); | ||
| boolean tlsEnabled = cqlSecurity.getCqlTlsConfig().isEnabled(); | ||
|
|
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| AuthProvider authProvider = null; | ||
| if (authEnabled) | ||
| { | ||
| authProvider = new ReloadingAuthProvider(() -> cqlSecuritySupplier.get().getCqlCredentials()); | ||
| } | ||
|
|
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| SslEngineFactory sslEngineFactory = null; | ||
| if (tlsEnabled) | ||
| { | ||
| sslEngineFactory = certificateHandler; | ||
| } | ||
|
|
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| DistributedNativeConnectionProvider.Builder nativeConnectionBuilder = | ||
| DistributedNativeConnectionProvider.builder() | ||
| .withInitialContactPoints(resolveInitialContactPoints(agentConnectionConfig.getContactPoints())) | ||
| .withAgentType(agentConnectionConfig.getType().toString()) | ||
| .withLocalDatacenter(agentConnectionConfig.getLocalDatacenter()) | ||
| .withRemoteRouting(remoteRouting) | ||
| .withAuthProvider(authProvider) | ||
| .withSslEngineFactory(sslEngineFactory) | ||
| .withMetricsEnabled(config.getStatisticsConfig().isEnabled()) | ||
| .withMeterRegistry(meterRegistry) | ||
| .withSchemaChangeListener(defaultRepairConfigurationProvider) | ||
| .withNodeStateListener(defaultRepairConfigurationProvider); | ||
|
|
||
| LOG.info("Preparing Agent Connection Config"); | ||
| nativeConnectionBuilder = resolveAgentProviderBuilder(nativeConnectionBuilder, agentConnectionConfig); | ||
| LOG.info("Establishing Connection With Nodes"); | ||
| myDistributedNativeConnectionProvider = tryEstablishConnection(nativeConnectionBuilder); | ||
| } | ||
|
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| public final DistributedNativeConnectionProvider.Builder resolveAgentProviderBuilder( | ||
| final DistributedNativeConnectionProvider.Builder builder, | ||
| final AgentConnectionConfig agentConnectionConfig | ||
| ) | ||
| { | ||
| switch (agentConnectionConfig.getType()) | ||
| { | ||
| case datacenterAware: | ||
| LOG.info("Using DatacenterAware as Agent Config"); | ||
| return builder.withDatacenterAware(resolveDatacenterAware( | ||
| agentConnectionConfig.getDatacenterAware())); | ||
| case rackAware: | ||
| LOG.info("Using RackAware as Agent Config"); | ||
| return builder.withRackAware(resolveRackAware( | ||
| agentConnectionConfig.getRackAware())); | ||
| case hostAware: | ||
| LOG.info("Using HostAware as Agent Config"); | ||
| return builder.withHostAware(resolveHostAware( | ||
| agentConnectionConfig.getHostAware())); | ||
| default: | ||
| } | ||
| return builder; | ||
| } | ||
|
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||
| public final List<InetSocketAddress> resolveInitialContactPoints( | ||
| final Map<String, AgentConnectionConfig.Host> contactPoints | ||
| ) | ||
| { | ||
| List<InetSocketAddress> resolvedContactPoints = new ArrayList<>(); | ||
| for (AgentConnectionConfig.Host host : contactPoints.values()) | ||
| { | ||
| InetSocketAddress tmpAddress = new InetSocketAddress(host.getHost(), host.getPort()); | ||
| resolvedContactPoints.add(tmpAddress); | ||
| } | ||
| return resolvedContactPoints; | ||
| } | ||
|
|
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| public final List<String> resolveDatacenterAware(final AgentConnectionConfig.DatacenterAware datacenterAware) | ||
| { | ||
| List<String> datacenterNames = new ArrayList<>(); | ||
| for | ||
| ( | ||
| AgentConnectionConfig.DatacenterAware.Datacenter datacenter | ||
| : | ||
| datacenterAware.getDatacenters().values()) | ||
| { | ||
| datacenterNames.add(datacenter.getName()); | ||
| } | ||
| return datacenterNames; | ||
| } | ||
|
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| public final List<Map<String, String>> resolveRackAware(final AgentConnectionConfig.RackAware rackAware) | ||
| { | ||
| List<Map<String, String>> rackList = new ArrayList<>(); | ||
| for | ||
| ( | ||
| AgentConnectionConfig.RackAware.Rack rack | ||
| : | ||
| rackAware.getRacks().values() | ||
| ) | ||
| { | ||
| Map<String, String> rackInfo = new HashMap<>(); | ||
| rackInfo.put("datacenterName", rack.getDatacenterName()); | ||
| rackInfo.put("rackName", rack.getRackName()); | ||
| rackList.add(rackInfo); | ||
| } | ||
| return rackList; | ||
| } | ||
|
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| public final List<InetSocketAddress> resolveHostAware(final AgentConnectionConfig.HostAware hostAware) | ||
| { | ||
| List<InetSocketAddress> resolvedHosts = new ArrayList<>(); | ||
| for | ||
| ( | ||
| AgentConnectionConfig.Host host | ||
| : | ||
| hostAware.getHosts().values() | ||
| ) | ||
| { | ||
| InetSocketAddress tmpAddress = new InetSocketAddress(host.getHost(), host.getPort()); | ||
| resolvedHosts.add(tmpAddress); | ||
| } | ||
| return resolvedHosts; | ||
| } | ||
|
|
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| public final DistributedNativeConnectionProvider tryEstablishConnection( | ||
| final DistributedNativeConnectionProvider.Builder builder) | ||
| { | ||
| try | ||
| { | ||
| return builder.build(); | ||
| } | ||
| catch (AllNodesFailedException | IllegalStateException e) | ||
| { | ||
| LOG.error("Unexpected interrupt while trying to connect to Cassandra. Reason: ", e); | ||
| throw e; | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public final CqlSession getSession() | ||
| { | ||
| return myDistributedNativeConnectionProvider.getSession(); | ||
| } | ||
|
|
||
| @Override | ||
| public final Node getLocalNode() | ||
| { | ||
| return myDistributedNativeConnectionProvider.getLocalNode(); | ||
| } | ||
|
|
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| @Override | ||
| public final boolean getRemoteRouting() | ||
| { | ||
| return myDistributedNativeConnectionProvider.getRemoteRouting(); | ||
| } | ||
|
|
||
| @Override | ||
| public final void close() | ||
| { | ||
| myDistributedNativeConnectionProvider.close(); | ||
| } | ||
| } |
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