115 lines
4.2 KiB
Java
115 lines
4.2 KiB
Java
/*
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* Copyright (C) 2018 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.copybara;
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import static com.google.common.base.Preconditions.checkNotNull;
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import com.beust.jcommander.Parameters;
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import com.google.copybara.config.Config;
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import com.google.copybara.config.ConfigValidator;
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import com.google.copybara.config.Migration;
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import com.google.copybara.config.ValidationResult;
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import com.google.copybara.config.ValidationResult.ValidationMessage;
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import com.google.copybara.exception.RepoException;
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import com.google.copybara.exception.ValidationException;
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import com.google.copybara.util.ExitCode;
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import com.google.copybara.util.console.Console;
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import java.io.IOException;
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import java.util.function.Consumer;
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/**
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* Validates that the configuration is correct.
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*/
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@Parameters(separators = "=", commandDescription = "Validates that the configuration is correct.")
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public class ValidateCmd implements CopybaraCmd {
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private final ConfigValidator configValidator;
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private final ConfigLoaderProvider configLoaderProvider;
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ValidateCmd(ConfigValidator configValidator, Consumer<Migration> migrationRanConsumer,
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ConfigLoaderProvider configLoaderProvider) {
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this.configValidator = checkNotNull(configValidator);
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this.configLoaderProvider = checkNotNull(configLoaderProvider);
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}
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@Override
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public ExitCode run(CommandEnv commandEnv)
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throws ValidationException, IOException, RepoException {
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ConfigFileArgs configFileArgs = commandEnv.parseConfigFileArgs(this, /*useSourceRef*/false);
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ConfigLoader configLoader =
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configLoaderProvider.newLoader(
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configFileArgs.getConfigPath(), configFileArgs.getSourceRef());
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ValidationResult result =
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validate(
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commandEnv.getOptions(),
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configLoader,
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configFileArgs.getWorkflowName());
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Console console = commandEnv.getOptions().get(GeneralOptions.class).console();
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for (ValidationMessage message : result.getAllMessages()) {
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switch (message.getLevel()) {
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case WARNING:
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console.warn(message.getMessage());
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break;
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case ERROR:
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console.error(message.getMessage());
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break;
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}
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}
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if (result.hasErrors()) {
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console.errorFmt("Configuration '%s' is invalid.", configLoader.location());
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return ExitCode.CONFIGURATION_ERROR;
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}
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console.infoFmt("Configuration '%s' is valid.", configLoader.location());
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return ExitCode.SUCCESS;
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}
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/**
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* Validates that the configuration is correct and that there is a valid migration specified by
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* {@code migrationName}.
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*
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* <p>Note that, besides validating the specific migration, all the configuration will be
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* validated syntactically.
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*
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* Returns true iff this configuration is valid.
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*/
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private ValidationResult validate(Options options, ConfigLoader configLoader,
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String migrationName)
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throws IOException {
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Console console = options.get(GeneralOptions.class).console();
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ValidationResult.Builder resultBuilder = new ValidationResult.Builder();
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try {
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Config config = configLoader.load(console);
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resultBuilder.append(configValidator.validate(config, migrationName));
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} catch (ValidationException e) {
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// The validate subcommand should not throw Validation exceptions but log a result
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StringBuilder error = new StringBuilder(e.getMessage()).append("\n");
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Throwable cause = e.getCause();
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while (cause != null) {
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error.append(" CAUSED BY: ").append(cause.getMessage()).append("\n");
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cause = cause.getCause();
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}
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resultBuilder.error(error.toString());
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}
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return resultBuilder.build();
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}
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@Override
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public String name() {
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return "validate";
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}
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}
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