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/*
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2022 Nordix Foundation. 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=========================================================
*/
import {ServiceCsar, ToscaMetaEntry} from "../models";
import {load} from 'js-yaml';
import {ComponentType} from "./constants";
export class ServiceCsarReader {
private serviceCsar = new ServiceCsar();
public read(serviceCsarBlob: Blob): Promise<ServiceCsar> {
const jsZip = require("jszip");
return new Promise<ServiceCsar>((resolve, reject) => {
jsZip.loadAsync(serviceCsarBlob).then(async zip => {
try {
const toscaMetaFileContent = await zip.file("TOSCA-Metadata/TOSCA.meta").async("string");
this.readToscaMeta(toscaMetaFileContent);
const entryDefinitionFileContent = await zip.file(this.serviceCsar.entryDefinitionFileName).async("string");
this.readServiceMetadata(entryDefinitionFileContent);
if (zip.file(this.serviceCsar.interfaceDefinitionFileName) != null) {
const interfaceDefinitionFileContent = await zip.file(this.serviceCsar.interfaceDefinitionFileName).async("string");
this.readSubstitutionNodeFromInterfaceDefinitionFile(interfaceDefinitionFileContent);
} else {
this.readSubstitutionNodeFromMainTemplateFile(entryDefinitionFileContent);
}
resolve(this.serviceCsar);
} catch (error) {
reject(error);
}
});
});
}
private readToscaMeta(toscaMetaFileContent:string) {
let fileEntities:Array<string> = toscaMetaFileContent.replace("\r", "").split("\n");
for(let entity of fileEntities.filter(e => e)) {
let mapEntry:Array<string> = entity.split(":");
let key:string = mapEntry[0].trim();
let value:string = mapEntry[1].trim();
this.serviceCsar.toscaMeta.dataMap.set(key, value);
}
this.readEntryDefinitionFileName();
this.readInterfaceDefinitionFileName();
}
private readEntryDefinitionFileName() {
this.serviceCsar.entryDefinitionFileName = this.serviceCsar.toscaMeta.getEntry(ToscaMetaEntry.ENTRY_DEFINITIONS);
}
private readInterfaceDefinitionFileName() {
let fileNameArray:Array<string> = this.serviceCsar.entryDefinitionFileName.split(".");
fileNameArray.splice(fileNameArray.length - 1, 0, "-interface.");
this.serviceCsar.interfaceDefinitionFileName = fileNameArray.join("");
}
private readServiceMetadata(entryDefinitionFileContent) {
const metadata = load(entryDefinitionFileContent).metadata;
this.setMetadata(metadata);
}
private readSubstitutionNodeFromInterfaceDefinitionFile(interfaceDefinitionFileContent) {
const nodeTypes = load(interfaceDefinitionFileContent).node_types;
let nodeType = Object.keys(nodeTypes).values().next().value;
this.serviceCsar.substitutionNodeType = nodeTypes[nodeType]["derived_from"];
}
private readSubstitutionNodeFromMainTemplateFile(entryDefinitionFileContent) {
this.serviceCsar.substitutionNodeType = load(entryDefinitionFileContent).topology_template.substitution_mappings.node_type;
}
private setMetadata = (metadata:object) : void => {
let extraServiceMetadata: Map<string, string> = new Map<string, string>();
this.serviceCsar.serviceMetadata.componentType = ComponentType.SERVICE;
this.serviceCsar.serviceMetadata.serviceType = "Service";
Object.keys(metadata).forEach(variable => {
switch(variable) {
case "description": {
this.serviceCsar.serviceMetadata.description = metadata[variable];
break;
}
case "name": {
this.serviceCsar.serviceMetadata.name = metadata[variable];
break;
}
case "model": {
this.serviceCsar.serviceMetadata.model = metadata[variable];
break;
}
case "category": {
this.serviceCsar.serviceMetadata.selectedCategory = metadata[variable];
break;
}
case "serviceRole": {
this.serviceCsar.serviceMetadata.serviceRole = metadata[variable];
break;
}
case "serviceFunction": {
this.serviceCsar.serviceMetadata.serviceFunction = metadata[variable];
break;
}
case "environmentContext": {
if (metadata[variable] != null) {
this.serviceCsar.serviceMetadata.environmentContext = metadata[variable];
}
break;
}
case "instantiationType": {
if (metadata[variable] != null) {
this.serviceCsar.serviceMetadata.instantiationType = metadata[variable];
}
break;
}
case "ecompGeneratedNaming": {
if (metadata[variable] != null) {
this.serviceCsar.serviceMetadata.ecompGeneratedNaming = metadata[variable] == "false" ? false : true;
}
break;
}
case "namingPolicy": {
if (metadata["ecompGeneratedNaming"] != "false") {
this.serviceCsar.serviceMetadata.namingPolicy = metadata[variable];
}
break;
}
default: {
extraServiceMetadata.set(variable, metadata[variable])
break;
}
}
});
this.serviceCsar.extraServiceMetadata = extraServiceMetadata;
}
}
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