public class FlowControlNode implements SvcLogicJavaPlugin {
private static final EELFLogger log = EELFManager.getInstance().getLogger(FlowControlNode.class);
- private static final String SDNC_CONFIG_DIR_VAR = "SDNC_CONFIG_DIR";
- private final EnvVariables envVariables;
private final FlowControlDBService dbService;
+ private final FlowSequenceGenerator flowSequenceGenerator;
public FlowControlNode() {
- this.envVariables = new EnvVariables();
this.dbService = FlowControlDBService.initialise();
+ this.flowSequenceGenerator = new FlowSequenceGenerator();
}
- FlowControlNode(EnvVariables envVariables, FlowControlDBService dbService) {
- this.envVariables = envVariables;
+ FlowControlNode(FlowControlDBService dbService, FlowSequenceGenerator flowSequenceGenerator) {
this.dbService = dbService;
+ this.flowSequenceGenerator = flowSequenceGenerator;
}
public void processFlow(Map<String, String> inParams, SvcLogicContext ctx)
.getAttributeKeySet()
.forEach(key -> log.debug(key + "=" + ctx.getAttribute(key)));
- String flowSequence = getFlowSequence(inParams, ctx, localContext);
+ String flowSequence = flowSequenceGenerator.getFlowSequence(inParams, ctx, localContext);
log.debug("Received Flow Sequence : " + flowSequence);
HashMap<Integer, Transaction> transactionMap = createTransactionMap(flowSequence, localContext);
log.info("Executed all the transaction successfully");
}
- String getFlowSequence(Map<String, String> inParams, SvcLogicContext ctx, SvcLogicContext localContext) throws Exception {
- String flowSequence = null;
- if (localContext.getAttribute(SEQUENCE_TYPE) != null) {
- if (localContext.getAttribute(GENERATION_NODE) != null) {
- GraphExecutor transactionExecutor = new GraphExecutor();
- Boolean generatorExists = transactionExecutor.hasGraph(
- "APPC_COMMOM",
- localContext.getAttribute(GENERATION_NODE),
- null,
- "sync"
- );
-
- if (generatorExists) {
- flowSequence = transactionExecutor.executeGraph(
- "APPC_COMMOM",
- localContext.getAttribute(GENERATION_NODE),
- null, "sync", null)
- .getProperty(FLOW_SEQUENCE);
- } else {
- throw new Exception("Can not find Custom defined Flow Generator for "
- + localContext.getAttribute(GENERATION_NODE));
- }
-
- } else if ((localContext.getAttribute(SEQUENCE_TYPE)).equalsIgnoreCase(DESINGTIME)) {
-
- localContext.setAttribute(VNFC_TYPE, ctx.getAttribute(VNFC_TYPE));
- flowSequence = dbService.getDesignTimeFlowModel(localContext);
-
- if (flowSequence == null) {
- throw new Exception("Flow Sequence is not found User Designed VNF " + ctx.getAttribute(VNF_TYPE));
- }
-
- } else if ((localContext.getAttribute(SEQUENCE_TYPE)).equalsIgnoreCase(RUNTIME)) {
-
- Transaction transaction = new Transaction();
- String input = collectInputParams(ctx, transaction);
- log.info("CollectInputParamsData-Input: " + input);
-
- RestExecutor restExe = new RestExecutor();
- Map<String, String> flowSeq = restExe.execute(transaction, localContext);
-
- JSONObject sequence = new JSONObject(flowSeq.get("restResponse"));
- if (sequence.has("output")) {
- flowSequence = sequence.getJSONObject("output").toString();
- }
- log.info("MultistepSequenceGenerator-Output: " + flowSequence);
-
- if (flowSequence == null) {
- throw new Exception("Failed to get the Flow Sequece runtime for VNF type"
- + ctx.getAttribute(VNF_TYPE));
- }
-
- } else if ((localContext.getAttribute(SEQUENCE_TYPE)).equalsIgnoreCase(EXTERNAL)) {
- //String input = collectInputParams(localContext);
- // flowSequnce = ""; //get it from the External interface calling the Rest End point - TBD
- //if(flowSequnce == null)
-
- throw new Exception("Flow Sequence not found for " + ctx.getAttribute(VNF_TYPE));
-
- } else {
- //No other type of model supported...
- //in Future can get flowModel from other generators which will be included here
- throw new Exception("No information found for sequence Owner Design-Time Vs Run-Time");
- }
-
- } else {
- FlowGenerator flowGenerator = new FlowGenerator();
- Transactions trans = flowGenerator.createSingleStepModel(inParams, ctx);
- ObjectMapper mapper = new ObjectMapper();
- flowSequence = mapper.writeValueAsString(trans);
- log.debug("Single step Flow Sequence : " + flowSequence);
- }
- return flowSequence;
- }
-
private void executeAllTransaction(HashMap<Integer, Transaction> transactionMap, SvcLogicContext ctx)
throws Exception {
//get a field in transction class as transactionhandle interface and register the Handler here for each trnactions
}
- private String collectInputParams(SvcLogicContext ctx, Transaction transaction) throws Exception {
-
- String fn = "FlowExecuteNode.collectInputParams";
- Properties prop = loadProperties();
- log.info("Loaded Properties " + prop.toString());
-
- String vnfId = ctx.getAttribute(VNF_ID);
- String inputData = null;
- log.debug(fn + "vnfId :" + vnfId);
-
- if (StringUtils.isBlank(vnfId)) {
- throw new Exception("VnfId is missing");
- }
-
- try {
- ActionIdentifier actionIdentifier = new ActionIdentifier();
- log.debug("Enter ActionIdentifier");
- if (StringUtils.isNotBlank(vnfId)) {
- actionIdentifier.setVnfId(vnfId);
- }
- if (StringUtils.isNotBlank(ctx.getAttribute(VSERVER_ID))) {
- actionIdentifier.setVserverId(ctx.getAttribute(VSERVER_ID));
- }
- if (StringUtils.isNotBlank(ctx.getAttribute(VNFC_NAME))) {
- actionIdentifier.setVnfcName(ctx.getAttribute(VNFC_NAME));
- }
- log.info("ActionIdentifierData" + actionIdentifier.toString());
-
- RequestInfo requestInfo = new RequestInfo();
- log.info("Enter RequestInfo");
- requestInfo.setAction(ctx.getAttribute(REQUEST_ACTION));
- requestInfo.setActionLevel(ctx.getAttribute(ACTION_LEVEL));
- requestInfo.setPayload(ctx.getAttribute(PAYLOAD));
- requestInfo.setActionIdentifier(actionIdentifier);
- log.debug("RequestInfo: " + requestInfo.toString());
-
- InventoryInfo inventoryInfo = new InventoryInfoExtractor().getInventoryInfo(ctx, vnfId);
- DependencyInfo dependencyInfo = getDependencyInfo(ctx);
- Capabilities capabilities = getCapabilitiesData(ctx);
-
- Input input = new Input();
- log.info("Enter InputData");
- input.setRequestInfo(requestInfo);
- input.setInventoryInfo(inventoryInfo);
- input.setDependencyInfo(dependencyInfo);
- input.setCapabilities(capabilities);
- log.info(fn + "Input parameters:" + input.toString());
-
- ObjectMapper mapper = new ObjectMapper();
- mapper.setSerializationInclusion(Include.NON_NULL);
- mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, true);
- inputData = mapper.writeValueAsString(input);
- log.info("InputDataJson:" + inputData);
-
- } catch (Exception e) {
- log.error("Error occurred in " + fn, e);
- }
-
- String resourceUri = prop.getProperty(SEQ_GENERATOR_URL);
- log.info(fn + "resourceUri= " + resourceUri);
-
- EncryptionTool et = EncryptionTool.getInstance();
- String pass = et.decrypt(prop.getProperty(SEQ_GENERATOR_PWD));
-
- transaction.setPayload(inputData);
- transaction.setExecutionRPC("POST");
- transaction.setuId(prop.getProperty(SEQ_GENERATOR_UID));
- transaction.setPswd(pass);
- transaction.setExecutionEndPoint(resourceUri);
-
- return inputData;
- }
-
- DependencyInfo getDependencyInfo(SvcLogicContext ctx) throws SvcLogicException, IOException {
-
- String fn = "FlowExecutorNode.getDependencyInfo";
- String dependencyData = dbService.getDependencyInfo(ctx);
- log.info(fn + "dependencyDataInput:" + dependencyData);
-
- DependencyInfo dependencyInfo = new DependencyInfo();
- if (dependencyData == null) {
- return dependencyInfo;
- }
-
- ObjectMapper mapper = new ObjectMapper();
- mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
- mapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
- //JsonNode dependencyInfoData = mapper.readTree(dependencyData).get("dependencyInfo");
- JsonNode vnfcData = mapper.readTree(dependencyData).get("vnfcs");
- dependencyInfo.getVnfcs().addAll(mapper.readValue(vnfcData.toString(), new TypeReference<List<Vnfcs>>(){}));
-
- log.info("Dependency Output:" + dependencyInfo.toString());
- return dependencyInfo;
- }
-
- Capabilities getCapabilitiesData(SvcLogicContext ctx) throws SvcLogicException, IOException {
-
- String fn = "FlowExecutorNode.getCapabilitiesData";
- String capabilitiesData = dbService.getCapabilitiesData(ctx);
- log.info(fn + "capabilitiesDataInput:" + capabilitiesData);
-
- Capabilities capabilities = new Capabilities();
- if (capabilitiesData == null) {
- return capabilities;
- }
-
- ObjectMapper mapper = new ObjectMapper();
- mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
- mapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
-
- JsonNode capabilitiesNode = mapper.readTree(capabilitiesData);
- log.info("capabilitiesNode:" + capabilitiesNode.toString());
-
- capabilities.getVfModule().addAll(extractParameterList(mapper, capabilitiesNode, VF_MODULE));
- capabilities.getVnfc().addAll(extractParameterList(mapper, capabilitiesNode, VNFC));
- capabilities.getVnf().addAll(extractParameterList(mapper, capabilitiesNode, VNF));
- capabilities.getVm().addAll(extractParameterList(mapper, capabilitiesNode, VM));
-
- log.info("Capabilities Output:" + capabilities.toString());
-
- return capabilities;
- }
-
- private <T> List<T> extractParameterList(ObjectMapper mapper, JsonNode root, String parameter) throws IOException {
- JsonNode parameterNode = root.get(parameter);
- if (parameterNode == null) {
- return new ArrayList<>();
- }
- return mapper.readValue(parameterNode.toString(), new TypeReference<List<T>>() {});
- }
-
- private Properties loadProperties() throws Exception {
- String directory = envVariables.getenv(SDNC_CONFIG_DIR_VAR);
- if (directory == null) {
- throw new Exception("Cannot find Property file -" + SDNC_CONFIG_DIR_VAR);
- }
- String path = directory + APPC_FLOW_CONTROLLER;
- return PropertiesLoader.load(path);
- }
}
Code Review / appc.git / blobdiff