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Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net> Co-authored-by: Gabriel Fukushima <gabrielfukushima@gmail.com>
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.../src/main/java/org/hyperledger/besu/cli/subcommands/storage/RevertMetadataSubCommand.java
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| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * Copyright Hyperledger Besu Contributors. | ||
| * | ||
| * 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. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.cli.subcommands.storage; | ||
|
|
||
| import org.hyperledger.besu.cli.util.VersionProvider; | ||
| import org.hyperledger.besu.plugin.services.storage.DataStorageFormat; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Path; | ||
| import java.util.OptionalInt; | ||
|
|
||
| import com.fasterxml.jackson.annotation.JsonInclude; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.SerializationFeature; | ||
| import com.fasterxml.jackson.databind.annotation.JsonSerialize; | ||
| import com.fasterxml.jackson.datatype.jdk8.Jdk8Module; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import picocli.CommandLine; | ||
| import picocli.CommandLine.Command; | ||
| import picocli.CommandLine.ParentCommand; | ||
|
|
||
| /** The revert metadata to v1 subcommand. */ | ||
| @Command( | ||
| name = "revert-metadata", | ||
| description = "Revert database metadata to previous format", | ||
| mixinStandardHelpOptions = true, | ||
| versionProvider = VersionProvider.class, | ||
| subcommands = RevertMetadataSubCommand.v2ToV1.class) | ||
| public class RevertMetadataSubCommand implements Runnable { | ||
| private static final Logger LOG = LoggerFactory.getLogger(RevertMetadataSubCommand.class); | ||
| private static final String METADATA_FILENAME = "DATABASE_METADATA.json"; | ||
| private static final ObjectMapper MAPPER = | ||
| new ObjectMapper() | ||
| .registerModule(new Jdk8Module()) | ||
| .setSerializationInclusion(JsonInclude.Include.NON_ABSENT) | ||
| .enable(SerializationFeature.INDENT_OUTPUT); | ||
|
|
||
| @SuppressWarnings("unused") | ||
| @ParentCommand | ||
| private StorageSubCommand parentCommand; | ||
|
|
||
| @SuppressWarnings("unused") | ||
| @CommandLine.Spec | ||
| private CommandLine.Model.CommandSpec spec; | ||
|
|
||
| @Override | ||
| public void run() { | ||
| spec.commandLine().usage(System.out); | ||
| } | ||
|
|
||
| @Command( | ||
| name = "v2-to-v1", | ||
| description = "Revert a database metadata v2 format to v1 format", | ||
| mixinStandardHelpOptions = true, | ||
| versionProvider = VersionProvider.class) | ||
| static class v2ToV1 implements Runnable { | ||
|
|
||
| @SuppressWarnings("unused") | ||
| @CommandLine.Spec | ||
| private CommandLine.Model.CommandSpec spec; | ||
|
|
||
| @SuppressWarnings("unused") | ||
| @ParentCommand | ||
| private RevertMetadataSubCommand parentCommand; | ||
|
|
||
| @Override | ||
| public void run() { | ||
|
|
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| final Path dataDir = parentCommand.parentCommand.besuCommand.dataDir(); | ||
|
|
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| final File dbMetadata = dataDir.resolve(METADATA_FILENAME).toFile(); | ||
| if (!dbMetadata.exists()) { | ||
| String errMsg = | ||
| String.format( | ||
| "Could not find database metadata file %s, check your data dir %s", | ||
| dbMetadata, dataDir); | ||
| LOG.error(errMsg); | ||
| throw new IllegalArgumentException(errMsg); | ||
| } | ||
| try { | ||
| final var root = MAPPER.readTree(dbMetadata); | ||
| if (!root.has("v2")) { | ||
| String errMsg = | ||
| String.format("Database metadata file %s is not in v2 format", dbMetadata); | ||
| LOG.error(errMsg); | ||
| throw new IllegalArgumentException(errMsg); | ||
| } | ||
|
|
||
| final var v2Obj = root.get("v2"); | ||
| if (!v2Obj.has("format")) { | ||
| String errMsg = | ||
| String.format( | ||
| "Database metadata file %s is malformed, \"format\" field not found", dbMetadata); | ||
| LOG.error(errMsg); | ||
| throw new IllegalArgumentException(errMsg); | ||
| } | ||
|
|
||
| final var formatField = v2Obj.get("format").asText(); | ||
| final OptionalInt maybePrivacyVersion = | ||
| v2Obj.has("privacyVersion") | ||
| ? OptionalInt.of(v2Obj.get("privacyVersion").asInt()) | ||
| : OptionalInt.empty(); | ||
|
|
||
| final DataStorageFormat dataStorageFormat = DataStorageFormat.valueOf(formatField); | ||
| final int v1Version = | ||
| switch (dataStorageFormat) { | ||
| case FOREST -> 1; | ||
| case BONSAI -> 2; | ||
| }; | ||
|
|
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| @JsonSerialize | ||
| record V1(int version, OptionalInt privacyVersion) {} | ||
|
|
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| MAPPER.writeValue(dbMetadata, new V1(v1Version, maybePrivacyVersion)); | ||
| LOG.info("Successfully reverted database metadata from v2 to v1 in {}", dbMetadata); | ||
| } catch (IOException ioe) { | ||
| throw new RuntimeException(ioe); | ||
| } | ||
| } | ||
| } | ||
| } |
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