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/*
* ============LICENSE_START=======================================================
* SDC-HELM-VALIDATOR
* ================================================================================
* Copyright (C) 2021 Nokia. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.sdc.helmvalidator.helm.validation;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;
import java.util.stream.Collectors;
import org.onap.sdc.helmvalidator.helm.validation.exception.BashExecutionException;
import org.onap.sdc.helmvalidator.helm.validation.model.BashOutput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
@Service
public class BashExecutor {
private static final Logger LOGGER = LoggerFactory.getLogger(
BashExecutor.class);
BashOutput execute(String helmCommand) {
try {
ProcessBuilder pb = new ProcessBuilder("bash", "-c", helmCommand);
pb.redirectErrorStream(true);
LOGGER.debug("Start process");
Process process = pb.start();
List<String> processOutput = readOutputAndCloseProcess(process);
return new BashOutput(process.exitValue(), processOutput);
} catch (IOException | InterruptedException e) {
throw new BashExecutionException("Error during bash execution: ", e);
}
}
private List<String> readOutputAndCloseProcess(Process process) throws IOException, InterruptedException {
final InputStream inputStream = process.getInputStream();
final List<String> lines = new BufferedReader(new InputStreamReader(inputStream))
.lines().collect(Collectors.toList());
// For compatibility with Helm2 and Helm3
process.waitFor();
inputStream.close();
process.destroy();
return lines;
}
}
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