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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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
* ============LICENSE_END=========================================================
*/
package org.onap.so.cnfm.lcm.bpmn.flows.service;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.Arrays;
import org.onap.so.cnfm.lcm.bpmn.flows.exceptions.KubeConfigFileNotFoundException;
import org.onap.so.cnfm.lcm.bpmn.flows.exceptions.KubeConfigFileUploadException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
/**
*
* @author Waqas Ikram (waqas.ikram@est.tech)
*
*/
@Service
public class KubConfigProviderImpl implements KubConfigProvider {
private static final Logger logger = LoggerFactory.getLogger(KubConfigProviderImpl.class);
private final Path kubeConfigsDirPath;
@Autowired
public KubConfigProviderImpl(@Value("${cnfm.kube-configs-dir:/app/kube-configs}") final String kubeConfigsDir) {
this.kubeConfigsDirPath = Paths.get(kubeConfigsDir).toAbsolutePath().normalize();
}
@Override
public Path getKubeConfigFile(final String cloudOwner, final String cloudRegion, final String tenantId)
throws KubeConfigFileNotFoundException {
final String filename = getFilename(cloudOwner, cloudRegion, tenantId);
final Path targetLocation = this.kubeConfigsDirPath.resolve(filename);
logger.debug("Looking for kube-config file at location {}", targetLocation);
if (Files.exists(targetLocation)) {
logger.debug("Found kube-config file at location {}", targetLocation);
if (Files.isReadable(targetLocation)) {
return targetLocation;
}
throw new KubeConfigFileNotFoundException("kube-config file at " + targetLocation + " is not readable");
}
throw new KubeConfigFileNotFoundException("Unable to find kube-config file at " + targetLocation);
}
@Override
public void addKubeConfigFile(final MultipartFile file, final String cloudOwner, final String cloudRegion,
final String tenantId) {
final String filename = getFilename(cloudOwner, cloudRegion, tenantId);
final Path targetLocation = this.kubeConfigsDirPath.resolve(filename);
try (final InputStream inputStream = file.getInputStream()) {
logger.debug("Storing kube-config to location {} ", targetLocation);
Files.copy(inputStream, targetLocation, StandardCopyOption.REPLACE_EXISTING);
} catch (final IOException ex) {
throw new KubeConfigFileUploadException(
"Could not store kube-config file " + filename + " to location " + targetLocation, ex);
}
}
private String getFilename(final String cloudOwner, final String cloudRegion, final String tenantId) {
return String.join("-", Arrays.asList(cloudOwner, cloudRegion, tenantId));
}
}
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