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[SNOW-954150] Use map of clients with different configurations instea…
…d of one client for multiple connectors configurations (#744)
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134 changes: 134 additions & 0 deletions
134
...main/java/com/snowflake/kafka/connector/internal/streaming/StreamingClientProperties.java
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| /* | ||
| * Copyright (c) 2023 Snowflake Inc. All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.snowflake.kafka.connector.internal.streaming; | ||
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| import static com.snowflake.kafka.connector.SnowflakeSinkConnectorConfig.SNOWPIPE_STREAMING_FILE_VERSION; | ||
| import static net.snowflake.ingest.utils.ParameterProvider.BLOB_FORMAT_VERSION; | ||
|
|
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| import com.snowflake.kafka.connector.Utils; | ||
| import com.snowflake.kafka.connector.internal.KCLogger; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.Properties; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.Stream; | ||
| import net.snowflake.ingest.utils.Constants; | ||
|
|
||
| /** | ||
| * Object to convert and store properties for {@link | ||
| * net.snowflake.ingest.streaming.SnowflakeStreamingIngestClient}. This object is used to compare | ||
| * equality between clients in {@link StreamingClientProvider}. | ||
| */ | ||
| public class StreamingClientProperties { | ||
| public static final String STREAMING_CLIENT_PREFIX_NAME = "KC_CLIENT_"; | ||
| public static final String DEFAULT_CLIENT_NAME = "DEFAULT_CLIENT"; | ||
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| private static final KCLogger LOGGER = new KCLogger(StreamingClientProperties.class.getName()); | ||
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| // contains converted config properties that are loggable (not PII data) | ||
| public static final List<String> LOGGABLE_STREAMING_CONFIG_PROPERTIES = | ||
| Stream.of( | ||
| Constants.ACCOUNT_URL, | ||
| Constants.ROLE, | ||
| Constants.USER, | ||
| StreamingUtils.STREAMING_CONSTANT_AUTHORIZATION_TYPE) | ||
| .collect(Collectors.toList()); | ||
|
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| public final Properties clientProperties; | ||
| public final String clientName; | ||
| public final Map<String, Object> parameterOverrides; | ||
|
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| /** | ||
| * Creates non-null properties, client name and parameter overrides for the {@link | ||
| * net.snowflake.ingest.streaming.SnowflakeStreamingIngestClient} from the given connectorConfig | ||
| * Properties are created by {@link StreamingUtils#convertConfigForStreamingClient(Map)} and are a | ||
| * subset of the given connector configuration | ||
| * | ||
| * @param connectorConfig Given connector configuration. Null configs are treated as an empty map | ||
| */ | ||
| public StreamingClientProperties(Map<String, String> connectorConfig) { | ||
| // treat null config as empty config | ||
| if (connectorConfig == null) { | ||
| LOGGER.warn( | ||
| "Creating empty streaming client properties because given connector config was empty"); | ||
| connectorConfig = new HashMap<>(); | ||
| } | ||
|
|
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| this.clientProperties = StreamingUtils.convertConfigForStreamingClient(connectorConfig); | ||
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| this.clientName = | ||
| STREAMING_CLIENT_PREFIX_NAME | ||
| + connectorConfig.getOrDefault(Utils.NAME, DEFAULT_CLIENT_NAME); | ||
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| // Override only if bdec version is explicitly set in config, default to the version set | ||
| // inside Ingest SDK | ||
| this.parameterOverrides = new HashMap<>(); | ||
| Optional<String> snowpipeStreamingBdecVersion = | ||
| Optional.ofNullable(connectorConfig.get(SNOWPIPE_STREAMING_FILE_VERSION)); | ||
| snowpipeStreamingBdecVersion.ifPresent( | ||
| overriddenValue -> { | ||
| LOGGER.info("Config is overridden for {} ", SNOWPIPE_STREAMING_FILE_VERSION); | ||
| parameterOverrides.put(BLOB_FORMAT_VERSION, overriddenValue); | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Gets the loggable properties, see {@link | ||
| * StreamingClientProperties#LOGGABLE_STREAMING_CONFIG_PROPERTIES} | ||
| * | ||
| * @return A formatted string with the loggable properties | ||
| */ | ||
| public String getLoggableClientProperties() { | ||
| return this.clientProperties == null | this.clientProperties.isEmpty() | ||
| ? "" | ||
| : this.clientProperties.entrySet().stream() | ||
| .filter( | ||
| propKvp -> | ||
| LOGGABLE_STREAMING_CONFIG_PROPERTIES.stream() | ||
| .anyMatch(propKvp.getKey().toString()::equalsIgnoreCase)) | ||
| .collect(Collectors.toList()) | ||
| .toString(); | ||
| } | ||
|
|
||
| /** | ||
| * Determines equality between StreamingClientProperties by only looking at the parsed | ||
| * clientProperties. This is used in {@link StreamingClientProvider} to determine equality in | ||
| * registered clients | ||
| * | ||
| * @param other other object to determine equality | ||
| * @return if the given object's clientProperties exists and is equal | ||
| */ | ||
| @Override | ||
| public boolean equals(Object other) { | ||
| return other.getClass().equals(StreamingClientProperties.class) | ||
| & ((StreamingClientProperties) other).clientProperties.equals(this.clientProperties); | ||
| } | ||
|
|
||
| /** | ||
| * Creates the hashcode for this object from the clientProperties. This is used in {@link | ||
| * StreamingClientProvider} to determine equality in registered clients | ||
| * | ||
| * @return the clientProperties' hashcode | ||
| */ | ||
| @Override | ||
| public int hashCode() { | ||
| return this.clientProperties.hashCode(); | ||
| } | ||
| } |
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