1 files changed, 106 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HelmValidator.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HelmValidator.java
new file mode 100644
index 0000000000..272d0a88b9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/main/java/org/openecomp/sdc/validation/impl/validators/HelmValidator.java
@@ -0,0 +1,106 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nokia
+ *  ================================================================================
+ *  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.openecomp.sdc.validation.impl.validators;
+
+import com.google.gson.Gson;
+import java.io.InputStream;
+import java.util.Optional;
+import java.util.Set;
+import org.onap.config.api.ConfigurationManager;
+import org.openecomp.core.validation.ErrorMessageCode;
+import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
+import org.openecomp.core.validation.types.GlobalValidationContext;
+import org.openecomp.sdc.common.http.client.api.HttpRequestHandler;
+import org.openecomp.sdc.datatypes.error.ErrorLevel;
+import org.openecomp.sdc.heat.datatypes.manifest.FileData.Type;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.validation.Validator;
+import org.openecomp.sdc.validation.impl.util.HelmValidatorConfigReader;
+import org.openecomp.sdc.validation.impl.util.HelmValidatorHttpClient;
+import org.openecomp.sdc.validation.type.helmvalidator.HelmValidatorConfig;
+import org.openecomp.sdc.validation.type.helmvalidator.HelmValidatorErrorResponse;
+import org.openecomp.sdc.validation.type.helmvalidator.HelmValidatorResponse;
+
+public class HelmValidator implements Validator {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(HelmValidator.class);
+    private static final ErrorMessageCode VALIDATOR_ERROR_CODE = new ErrorMessageCode("HELM VALIDATOR");
+    private static final String EXCEPTION_MESSAGE = "Could not execute file %s validation using Helm";
+
+    private final HelmValidatorHttpClient helmValidatorHttpClient;
+    private final HelmValidatorConfig helmValidatorConfig;
+
+    public HelmValidator() {
+        this(new HelmValidatorHttpClient(HttpRequestHandler.get()),
+            new HelmValidatorConfigReader(ConfigurationManager.lookup()).getHelmValidatorConfig());
+    }
+
+    HelmValidator(HelmValidatorHttpClient helmValidatorHttpClient, HelmValidatorConfig helmValidatorConfig) {
+        this.helmValidatorHttpClient = helmValidatorHttpClient;
+        this.helmValidatorConfig = helmValidatorConfig;
+    }
+
+    @Override
+    public void validate(GlobalValidationContext globalContext) {
+        if (helmValidatorConfig.isEnabled()) {
+            Set<String> manifestFiles = GlobalContextUtil.findFilesByType(globalContext, Type.HELM);
+            manifestFiles.forEach(file -> tryValidateSingleChart(globalContext, file));
+        }
+    }
+
+    private void tryValidateSingleChart(GlobalValidationContext globalContext, String fileName) {
+        Optional<InputStream> fileContent = globalContext.getFileContent(fileName);
+        if (fileContent.isPresent()) {
+            try {
+                validateSingleHelmChart(fileName, fileContent.get().readAllBytes(), globalContext);
+            } catch (Exception exception) {
+                String validationErrorMessage = String.format(EXCEPTION_MESSAGE, fileName);
+                LOGGER.error(validationErrorMessage + " exception: " + exception.getMessage());
+                addError(fileName, globalContext, validationErrorMessage, ErrorLevel.WARNING);
+            }
+        } else {
+            LOGGER.debug("File content is not present " + fileName);
+        }
+    }
+
+    private void validateSingleHelmChart(String fileName, byte[] file, GlobalValidationContext globalContext)
+        throws Exception {
+        var httpResponse = helmValidatorHttpClient.execute(fileName, file, helmValidatorConfig);
+        if (httpResponse.getStatusCode() == 200) {
+            var helmValidatorResponse = new Gson()
+                .fromJson(httpResponse.getResponse(), HelmValidatorResponse.class);
+            helmValidatorResponse.getRenderErrors().forEach(error ->
+                addError(fileName, globalContext, error, ErrorLevel.ERROR));
+            helmValidatorResponse.getLintError().forEach(lintError ->
+                addError(fileName, globalContext, lintError, ErrorLevel.WARNING));
+            helmValidatorResponse.getLintWarning().forEach(lintWarning ->
+                addError(fileName, globalContext, lintWarning, ErrorLevel.WARNING));
+        } else {
+            var errorResponse = new Gson().fromJson(httpResponse.getResponse(), HelmValidatorErrorResponse.class);
+            addError(fileName, globalContext, errorResponse.getMessage(), ErrorLevel.WARNING);
+        }
+    }
+
+    private void addError(String fileName, GlobalValidationContext globalContext, String error, ErrorLevel level) {
+        globalContext.addMessage(fileName, level, ErrorMessagesFormatBuilder
+            .getErrorWithParameters(VALIDATOR_ERROR_CODE, error, fileName));
+    }
+
+}