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/*
* # ============LICENSE_START=======================================================
* # Copyright (c) 2021 AT&T Intellectual Property. 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.dcaegen2.platform.helmchartgenerator.validation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.everit.json.schema.Schema;
import org.everit.json.schema.loader.SchemaLoader;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.onap.dcaegen2.platform.helmchartgenerator.Utils;
import org.onap.dcaegen2.platform.helmchartgenerator.models.componentspec.base.ComponentSpec;
import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Service;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
/**
* A class for Component specification validation.
* @author Dhrumin Desai
*/
@Service
@Slf4j
public class ComponentSpecValidatorImpl implements ComponentSpecValidator {
/**
* Validates the spec json file against schema and prints errors if found
* @param specFileLocation specification json file location
* @param specSchemaLocation json schema file location
* @throws IOException
*/
@Override
public void validateSpecFile(String specFileLocation, String specSchemaLocation) throws IOException {
File schemaFile = getSchemaFile(specSchemaLocation);
ComponentSpec cs = Utils.deserializeJsonFileToModel(specFileLocation, ComponentSpec.class);
validateSpecSchema(new File(specFileLocation), schemaFile);
validateHelmRequirements(cs);
}
private File getSchemaFile(String specSchemaLocation) throws IOException {
if(specSchemaLocation.isEmpty()){
return defaultSchemaFile();
}
else{
return new File(specSchemaLocation);
}
}
private File defaultSchemaFile() throws IOException {
File schemaFile = File.createTempFile("schema", ".json");
InputStream inputStream = new ClassPathResource("component-spec-schema.json").getInputStream();
FileUtils.copyInputStreamToFile(inputStream, schemaFile);
return schemaFile;
}
private void validateSpecSchema(File specFile, File schemaFile) {
try {
JSONTokener schemaData = new JSONTokener(new FileInputStream(schemaFile));
JSONObject jsonSchema = new JSONObject(schemaData);
JSONTokener jsonDataFile = new JSONTokener(new FileInputStream(specFile));
JSONObject jsonObject = new JSONObject(jsonDataFile);
Schema schemaValidator = SchemaLoader.load(jsonSchema);
schemaValidator.validate(jsonObject);
} catch (FileNotFoundException e) {
log.error(e.getMessage());
throw new RuntimeException("Specfile or Schemafile not found.");
}
}
private void validateHelmRequirements(ComponentSpec cs) {
checkHealthCheckSection(cs);
checkHelmSection(cs);
}
private void checkHealthCheckSection(ComponentSpec cs) {
if(cs.getAuxilary().getHealthcheck().getPort() == null) {
throw new RuntimeException("port in healthcheck section is a required field but was not found");
}
}
private void checkHelmSection(ComponentSpec cs) {
if(cs.getAuxilary().getHelm() == null){
throw new RuntimeException("helm section in component spec is required but was not found");
}
}
}
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