Helm-generator - seedcode delivery for helm chart generation tool from component spec

Issue-ID: DCAEGEN2-2694
Change-Id: I3e317e312f90b061c0cdff155b8673967aea414b
Signed-off-by: Dhrumin Desai <dd303q@att.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/mod2/helm-generator/helmchartgenerator-core/src/main/java/org/onap/dcaegen2/platform/helmchartgenerator/chartbuilder/ChartBuilder.java b/mod2/helm-generator/helmchartgenerator-core/src/main/java/org/onap/dcaegen2/platform/helmchartgenerator/chartbuilder/ChartBuilder.java
new file mode 100644
index 0000000..ac73544
--- /dev/null
+++ b/mod2/helm-generator/helmchartgenerator-core/src/main/java/org/onap/dcaegen2/platform/helmchartgenerator/chartbuilder/ChartBuilder.java
@@ -0,0 +1,68 @@
+
+/*
+ * # ============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.chartbuilder;
+
+import lombok.extern.slf4j.Slf4j;
+import org.onap.dcaegen2.platform.helmchartgenerator.models.chartinfo.ChartInfo;
+import org.onap.dcaegen2.platform.helmchartgenerator.validation.ChartTemplateStructureValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+
+/**
+ * ChartBuilder is a main class responsible to generate a helm chart.
+ * @author Dhrumin Desai
+ */
+@Component
+@Slf4j
+public class ChartBuilder {
+
+   @Autowired
+   private ComponentSpecParser specParser;
+
+   @Autowired
+   private ChartGenerator chartGenerator;
+
+    /**
+     * constructor of ChartBuilder
+     * @param specParser implementation of ComponentSpecParser
+     * @param chartGenerator implementation of ChartGenerator
+     */
+    public ChartBuilder(ComponentSpecParser specParser, ChartGenerator chartGenerator) {
+        this.specParser = specParser;
+        this.chartGenerator = chartGenerator;
+    }
+
+    /**
+     * this method validates the inputs and generate a helm chart.
+     * @param specFileLocation location of the application specification json file
+     * @param chartTemplateLocation location of the base helm chart template
+     * @param outputLocation location to store the helm chart
+     * @param specSchemaLocation location of the specification json schema file to validate the application spec
+     * @return generated helm chart tgz file
+     * @throws Exception
+     */
+    public File build(String specFileLocation, String chartTemplateLocation, String outputLocation, String specSchemaLocation ) throws Exception {
+        ChartTemplateStructureValidator.validateChartTemplateStructure(chartTemplateLocation);
+        ChartInfo chartInfo = specParser.extractChartInfo(specFileLocation, chartTemplateLocation, specSchemaLocation);
+        return chartGenerator.generate(chartTemplateLocation, chartInfo, outputLocation);
+    }
+}