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/*-
* ============LICENSE_START=======================================================
* OPENECOMP - MSO
* ================================================================================
* Copyright (C) 2017 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.openecomp.mso.bpmn.common.scripts
import static org.apache.commons.lang3.StringUtils.*
import org.apache.commons.lang3.*
import org.camunda.bpm.engine.delegate.BpmnError
import org.camunda.bpm.engine.runtime.Execution
import org.openecomp.mso.rest.APIResponse
import org.springframework.web.util.UriUtils
/**
* This class supports the GenericGetService Sub Flow.
* This Generic sub flow can be used by any flow for accomplishing
* the goal of getting a Service-Instance or Service-Subscription (from AAI).
* The calling flow must set the GENGS_type variable as "service-instance"
* or "service-subscription".
*
* When using to Get a Service-Instance:
* If the global-customer-id and service-type are not provided
* this flow executes a query to get the service- Url using the
* Service Id or Name (whichever is provided).
*
* When using to Get a Service-Subscription:
* The global-customer-id and service-type must be
* provided.
*
* Upon successful completion of this sub flow the
* GENGS_SuccessIndicator will be true and the query response payload
* will be set to GENGS_service. An MSOWorkflowException will
* be thrown upon unsuccessful completion or if an error occurs
* at any time during this sub flow. Please map variables
* to the corresponding variable names below.
*
* Note - If this sub flow receives a Not Found (404) response
* from AAI at any time this will be considered an acceptable
* successful response however the GENGS_FoundIndicator
* will be set to false. This variable will allow the calling flow
* to distinguish between the two Success scenarios,
* "Success where service- is found" and
* "Success where service- is NOT found".
*
*
* Variable Mapping Below:
*
* In Mapping Variables:
* For Allotted-Resource:
* @param - GENGS_allottedResourceId
* @param - GENGS_type
* @param (Optional) - GENGS_serviceInstanceId
* @param (Optional) - GENGS_serviceType
* @param (Optional) - GENGS_globalCustomerId
*
* For Service-Instance:
* @param - GENGS_serviceInstanceId or @param - GENGS_serviceInstanceName
* @param - GENGS_type
* @param (Optional) - GENGS_serviceType
* @param (Optional) - GENGS_globalCustomerId
*
* For Service-Subscription:
* @param - GENGS_type
* @param - GENGS_serviceType
* @param - GENGS_globalCustomerId
*
*
* Out Mapping Variables:
* @param - GENGS_service
* @param - GENGS_FoundIndicator
* @param - WorkflowException
*
*
* @author cb645j
*/
class GenericGetService extends AbstractServiceTaskProcessor{
String Prefix = "GENGS_"
ExceptionUtil exceptionUtil = new ExceptionUtil()
/**
* This method validates the incoming variables and
* determines the subsequent event based on which
* variables the calling flow provided.
*
* @param - execution
*
* @author cb645j
*/
public void preProcessRequest(Execution execution) {
def isDebugEnabled = execution.getVariable("isDebugLogEnabled")
execution.setVariable("prefix",Prefix)
utils.log("DEBUG", " *** STARTED GenericGetService PreProcessRequest Process*** ", isDebugEnabled)
execution.setVariable("GENGS_obtainObjectsUrl", false)
execution.setVariable("GENGS_obtainServiceInstanceUrlByName", false)
execution.setVariable("GENGS_SuccessIndicator", false)
execution.setVariable("GENGS_FoundIndicator", false)
execution.setVariable("GENGS_resourceLink", null)
execution.setVariable("GENGS_siResourceLink", null)
try{
// Get Variables
String allottedResourceId = execution.getVariable("GENGS_allottedResourceId")
String serviceInstanceId = execution.getVariable("GENGS_serviceInstanceId")
String serviceInstanceName = execution.getVariable("GENGS_serviceInstanceName")
String serviceType = execution.getVariable("GENGS_serviceType")
String globalCustomerId = execution.getVariable("GENGS_globalCustomerId")
String type = execution.getVariable("GENGS_type")
if(type != null){
utils.log("DEBUG", "Incoming GENGS_type is: " + type, isDebugEnabled)
if(type.equalsIgnoreCase("allotted-resource")){
if(isBlank(allottedResourceId)){
utils.log("DEBUG", "Incoming allottedResourceId is null. Allotted Resource Id is required to Get an allotted-resource.", isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Incoming allottedResourceId is null. Allotted Resource Id is required to Get an allotted-resource.")
}else{
utils.log("DEBUG", "Incoming Allotted Resource Id is: " + allottedResourceId, isDebugEnabled)
if(isBlank(globalCustomerId) || isBlank(serviceType) || isBlank(serviceInstanceId)){
execution.setVariable("GENGS_obtainObjectsUrl", true)
}else{
utils.log("DEBUG", "Incoming Service Instance Id is: " + serviceInstanceId, isDebugEnabled)
utils.log("DEBUG", "Incoming Service Type is: " + serviceType, isDebugEnabled)
utils.log("DEBUG", "Incoming Global Customer Id is: " + globalCustomerId, isDebugEnabled)
}
}
}else if(type.equalsIgnoreCase("service-instance")){
if(isBlank(serviceInstanceId) && isBlank(serviceInstanceName)){
utils.log("DEBUG", "Incoming serviceInstanceId and serviceInstanceName are null. ServiceInstanceId or ServiceInstanceName is required to Get a service-instance.", isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Incoming serviceInstanceId and serviceInstanceName are null. ServiceInstanceId or ServiceInstanceName is required to Get a service-instance.")
}else{
utils.log("DEBUG", "Incoming Service Instance Id is: " + serviceInstanceId, isDebugEnabled)
utils.log("DEBUG", "Incoming Service Instance Name is: " + serviceInstanceName, isDebugEnabled)
if(isBlank(globalCustomerId) || isBlank(serviceType)){
execution.setVariable("GENGS_obtainObjectsUrl", true)
if(isBlank(serviceInstanceId)){
execution.setVariable("GENGS_obtainServiceInstanceUrlByName", true)
}
}else{
utils.log("DEBUG", "Incoming Global Customer Id is: " + globalCustomerId, isDebugEnabled)
utils.log("DEBUG", "Incoming Service Type is: " + serviceType, isDebugEnabled)
}
}
}else if(type.equalsIgnoreCase("service-subscription")){
if(isBlank(serviceType) || isBlank(globalCustomerId)){
utils.log("DEBUG", "Incoming ServiceType or GlobalCustomerId is null. These variables are required to Get a service-subscription.", isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Incoming ServiceType or GlobalCustomerId is null. These variables are required to Get a service-subscription.")
}else{
utils.log("DEBUG", "Incoming Service Type is: " + serviceType, isDebugEnabled)
utils.log("DEBUG", "Incoming Global Customer Id is: " + globalCustomerId, isDebugEnabled)
}
}else{
exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Incoming Type is Invalid. Please Specify Type as service-instance or service-subscription")
}
}else{
exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Incoming GENGS_type is null. Variable is Required.")
}
}catch(BpmnError b){
utils.log("DEBUG", "Rethrowing MSOWorkflowException", isDebugEnabled)
throw b
}catch(Exception e){
utils.log("DEBUG", "Internal Error encountered within GenericGetService PreProcessRequest method!" + e, isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured in GenericGetService PreProcessRequest")
}
utils.log("DEBUG", "*** COMPLETED GenericGetService PreProcessRequest Process ***", isDebugEnabled)
}
/**
* This method obtains the Url to the provided service instance
* using the Service Instance Id.
*
* @param - execution
*/
public void obtainServiceInstanceUrlById(Execution execution){
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
execution.setVariable("prefix",Prefix)
utils.log("DEBUG", " *** STARTED GenericGetService ObtainServiceInstanceUrlById Process*** ", isDebugEnabled)
try {
AaiUtil aaiUriUtil = new AaiUtil(this)
String aai_uri = aaiUriUtil.getSearchNodesQueryEndpoint(execution)
String aai_endpoint = execution.getVariable("URN_aai_endpoint")
String type = execution.getVariable("GENGS_type")
String path = ""
if(type.equalsIgnoreCase("service-instance")){
String serviceInstanceId = execution.getVariable("GENGS_serviceInstanceId")
utils.log("DEBUG", " Querying Node for Service-Instance URL by using Service-Instance Id: " + serviceInstanceId, isDebugEnabled)
path = "${aai_uri}?search-node-type=service-instance&filter=service-instance-id:EQUALS:${serviceInstanceId}"
utils.logAudit("Service Instance Node Query Url is: " + path)
utils.log("DEBUG", "Service Instance Node Query Url is: " + path, isDebugEnabled)
}else if(type.equalsIgnoreCase("allotted-resource")){
String allottedResourceId = execution.getVariable("GENGS_allottedResourceId")
utils.log("DEBUG", " Querying Node for Service-Instance URL by using Allotted Resource Id: " + allottedResourceId, isDebugEnabled)
path = "${aai_uri}?search-node-type=allotted-resource&filter=id:EQUALS:${allottedResourceId}"
utils.logAudit("Allotted Resource Node Query Url is: " + path)
utils.log("DEBUG", "Allotted Resource Node Query Url is: " + path, isDebugEnabled)
}
//String url = "${aai_endpoint}${path}" host name needs to be removed from property
String url = "${path}"
execution.setVariable("GENGS_genericQueryPath", url)
APIResponse response = aaiUriUtil.executeAAIGetCall(execution, url)
int responseCode = response.getStatusCode()
execution.setVariable("GENGS_genericQueryResponseCode", responseCode)
utils.log("DEBUG", " GET Service Instance response code is: " + responseCode, isDebugEnabled)
utils.logAudit("GenericGetService AAI GET Response Code: " + responseCode)
String aaiResponse = response.getResponseBodyAsString()
execution.setVariable("GENGS_obtainSIUrlResponseBeforeUnescaping", aaiResponse)
utils.log("DEBUG", "GenericGetService AAI Response before unescaping: " + aaiResponse, isDebugEnabled)
aaiResponse = StringEscapeUtils.unescapeXml(aaiResponse)
execution.setVariable("GENGS_genericQueryResponse", aaiResponse)
utils.logAudit("GenericGetService AAI Response: " + aaiResponse)
utils.log("DEBUG", "GenericGetService AAI Response: " + aaiResponse, isDebugEnabled)
//Process Response
if(responseCode == 200){
utils.log("DEBUG", "Generic Query Received a Good Response Code", isDebugEnabled)
execution.setVariable("GENGS_SuccessIndicator", true)
if(utils.nodeExists(aaiResponse, "result-data")){
utils.log("DEBUG", "Generic Query Response Does Contain Data" , isDebugEnabled)
execution.setVariable("GENGS_FoundIndicator", true)
String resourceLink = utils.getNodeText1(aaiResponse, "resource-link")
execution.setVariable("GENGS_resourceLink", resourceLink)
execution.setVariable("GENGS_siResourceLink", resourceLink)
}else{
utils.log("DEBUG", "Generic Query Response Does NOT Contains Data" , isDebugEnabled)
execution.setVariable("WorkflowResponse", " ") //for junits
}
}else if(responseCode == 404){
utils.log("DEBUG", "Generic Query Received a Not Found (404) Response", isDebugEnabled)
execution.setVariable("GENGS_SuccessIndicator", true)
execution.setVariable("WorkflowResponse", " ") //for junits
}else{
utils.log("DEBUG", "Generic Query Received a BAD REST Response: \n" + aaiResponse, isDebugEnabled)
exceptionUtil.MapAAIExceptionToWorkflowExceptionGeneric(execution, aaiResponse, responseCode)
throw new BpmnError("MSOWorkflowException")
}
}catch(BpmnError b){
utils.log("DEBUG", "Rethrowing MSOWorkflowException", isDebugEnabled)
throw b
}catch(Exception e){
utils.log("ERROR", " Error encountered within GenericGetService ObtainServiceInstanceUrlById method!" + e, isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured During ObtainServiceInstanceUrlById")
}
utils.log("DEBUG", " *** COMPLETED GenericGetService ObtainServiceInstanceUrlById Process*** ", isDebugEnabled)
}
/**
* This method obtains the Url to the provided service instance
* using the Service Instance Name.
*
* @param - execution
*/
public void obtainServiceInstanceUrlByName(Execution execution){
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
execution.setVariable("prefix",Prefix)
utils.log("DEBUG", " *** STARTED GenericGetService ObtainServiceInstanceUrlByName Process*** ", isDebugEnabled)
try {
String serviceInstanceName = execution.getVariable("GENGS_serviceInstanceName")
utils.log("DEBUG", " Querying Node for Service-Instance URL by using Service-Instance Name " + serviceInstanceName, isDebugEnabled)
AaiUtil aaiUriUtil = new AaiUtil(this)
String aai_uri = aaiUriUtil.getSearchNodesQueryEndpoint(execution)
String aai_endpoint = execution.getVariable("URN_aai_endpoint")
String path = "${aai_uri}?search-node-type=service-instance&filter=service-instance-name:EQUALS:${serviceInstanceName}"
//String url = "${aai_endpoint}${path}" host name needs to be removed from property
String url = "${path}"
execution.setVariable("GENGS_obtainSIUrlPath", url)
utils.logAudit("GenericGetService AAI Endpoint: " + aai_endpoint)
APIResponse response = aaiUriUtil.executeAAIGetCall(execution, url)
int responseCode = response.getStatusCode()
execution.setVariable("GENGS_obtainSIUrlResponseCode", responseCode)
utils.log("DEBUG", " GET Service Instance response code is: " + responseCode, isDebugEnabled)
utils.logAudit("GenericGetService AAI Response Code: " + responseCode)
String aaiResponse = response.getResponseBodyAsString()
aaiResponse = StringEscapeUtils.unescapeXml(aaiResponse)
execution.setVariable("GENGS_obtainSIUrlResponse", aaiResponse)
utils.logAudit("GenericGetService AAI Response: " + aaiResponse)
//Process Response
if(responseCode == 200){
utils.log("DEBUG", " Query for Service Instance Url Received a Good Response Code", isDebugEnabled)
execution.setVariable("GENGS_SuccessIndicator", true)
if(utils.nodeExists(aaiResponse, "result-data")){
utils.log("DEBUG", "Query for Service Instance Url Response Does Contain Data" , isDebugEnabled)
execution.setVariable("GENGS_FoundIndicator", true)
String resourceLink = utils.getNodeText1(aaiResponse, "resource-link")
execution.setVariable("GENGS_resourceLink", resourceLink)
execution.setVariable("GENGS_siResourceLink", resourceLink)
}else{
utils.log("DEBUG", "Query for Service Instance Url Response Does NOT Contains Data" , isDebugEnabled)
execution.setVariable("WorkflowResponse", " ") //for junits
}
}else if(responseCode == 404){
utils.log("DEBUG", " Query for Service Instance Received a Not Found (404) Response", isDebugEnabled)
execution.setVariable("GENGS_SuccessIndicator", true)
execution.setVariable("WorkflowResponse", " ") //for junits
}else{
utils.log("DEBUG", "Query for Service Instance Received a BAD REST Response: \n" + aaiResponse, isDebugEnabled)
exceptionUtil.MapAAIExceptionToWorkflowExceptionGeneric(execution, aaiResponse, responseCode)
throw new BpmnError("MSOWorkflowException")
}
}catch(BpmnError b){
utils.log("DEBUG", "Rethrowing MSOWorkflowException", isDebugEnabled)
throw b
}catch(Exception e){
utils.log("ERROR", " Error encountered within GenericGetService ObtainServiceInstanceUrlByName method!" + e, isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured During ObtainServiceInstanceUrlByName")
}
utils.log("DEBUG", " *** COMPLETED GenericGetService ObtainServiceInstanceUrlByName Process*** ", isDebugEnabled)
}
/**
* This method executes a GET call to AAI to obtain the
* service-instance or service-subscription
*
* @param - execution
*/
public void getServiceObject(Execution execution){
def isDebugEnabled=execution.getVariable("isDebugLogEnabled")
execution.setVariable("prefix",Prefix)
utils.log("DEBUG", " *** STARTED GenericGetService GetServiceObject Process*** ", isDebugEnabled)
try {
String type = execution.getVariable("GENGS_type")
AaiUtil aaiUriUtil = new AaiUtil(this)
String aai_endpoint = execution.getVariable("URN_aai_endpoint")
String serviceEndpoint = ""
utils.logAudit("GenericGetService getServiceObject AAI Endpoint: " + aai_endpoint)
if(type.equalsIgnoreCase("service-instance")){
String siResourceLink = execution.getVariable("GENGS_resourceLink")
if(isBlank(siResourceLink)){
String serviceInstanceId = execution.getVariable("GENGS_serviceInstanceId")
utils.log("DEBUG", " Incoming GENGS_serviceInstanceId is: " + serviceInstanceId, isDebugEnabled)
String serviceType = execution.getVariable("GENGS_serviceType")
utils.log("DEBUG", " Incoming GENGS_serviceType is: " + serviceType, isDebugEnabled)
String globalCustomerId = execution.getVariable("GENGS_globalCustomerId")
utils.log("DEBUG", "Incoming Global Customer Id is: " + globalCustomerId, isDebugEnabled)
String aai_uri = aaiUriUtil.getBusinessCustomerUri(execution)
logDebug('AAI URI is: ' + aai_uri, isDebugEnabled)
serviceEndpoint = "${aai_uri}/" + UriUtils.encode(globalCustomerId,"UTF-8") + "/service-subscriptions/service-subscription/" + UriUtils.encode(serviceType,"UTF-8") + "/service-instances/service-instance/" + UriUtils.encode(serviceInstanceId,"UTF-8")
}else{
utils.log("DEBUG", "Incoming Service Instance Url is: " + siResourceLink, isDebugEnabled)
String[] split = siResourceLink.split("/aai/")
serviceEndpoint = "/aai/" + split[1]
}
}else if(type.equalsIgnoreCase("allotted-resource")){
String siResourceLink = execution.getVariable("GENGS_resourceLink")
if(isBlank(siResourceLink)){
String allottedResourceId = execution.getVariable("GENGS_allottedResourceId")
utils.log("DEBUG", " Incoming GENGS_allottedResourceId is: " + allottedResourceId, isDebugEnabled)
String serviceInstanceId = execution.getVariable("GENGS_serviceInstanceId")
utils.log("DEBUG", " Incoming GENGS_serviceInstanceId is: " + serviceInstanceId, isDebugEnabled)
String serviceType = execution.getVariable("GENGS_serviceType")
utils.log("DEBUG", " Incoming GENGS_serviceType is: " + serviceType, isDebugEnabled)
String globalCustomerId = execution.getVariable("GENGS_globalCustomerId")
utils.log("DEBUG", "Incoming Global Customer Id is: " + globalCustomerId, isDebugEnabled)
String aai_uri = aaiUriUtil.getBusinessCustomerUri(execution)
logDebug('AAI URI is: ' + aai_uri, isDebugEnabled)
serviceEndpoint = "${aai_uri}/" + UriUtils.encode(globalCustomerId,"UTF-8") + "/service-subscriptions/service-subscription/" + UriUtils.encode(serviceType,"UTF-8") + "/service-instances/service-instance/" + UriUtils.encode(serviceInstanceId,"UTF-8") + "/allotted-resources/allotted-resource/" + UriUtils.encode(allottedResourceId,"UTF-8")
}else{
utils.log("DEBUG", "Incoming Allotted-Resource Url is: " + siResourceLink, isDebugEnabled)
String[] split = siResourceLink.split("/aai/")
serviceEndpoint = "/aai/" + split[1]
}
}else if(type.equalsIgnoreCase("service-subscription")){
String aai_uri = aaiUriUtil.getBusinessCustomerUri(execution)
String globalCustomerId = execution.getVariable("GENGS_globalCustomerId")
String serviceType = execution.getVariable("GENGS_serviceType")
serviceEndpoint = "${aai_uri}/" + UriUtils.encode(globalCustomerId,"UTF-8") + "/service-subscriptions/service-subscription/" + UriUtils.encode(serviceType,"UTF-8")
}
String serviceUrl = "${aai_endpoint}" + serviceEndpoint
execution.setVariable("GENGS_getServiceUrl", serviceUrl)
utils.log("DEBUG", "GET Service AAI Path is: \n" + serviceUrl, isDebugEnabled)
APIResponse response = aaiUriUtil.executeAAIGetCall(execution, serviceUrl)
int responseCode = response.getStatusCode()
execution.setVariable("GENGS_getServiceResponseCode", responseCode)
utils.log("DEBUG", " GET Service response code is: " + responseCode, isDebugEnabled)
utils.logAudit("GenericGetService AAI Response Code: " + responseCode)
String aaiResponse = response.getResponseBodyAsString()
aaiResponse = StringEscapeUtils.unescapeXml(aaiResponse)
execution.setVariable("GENGS_getServiceResponse", aaiResponse)
utils.logAudit("GenericGetService AAI Response: " + aaiResponse)
//Process Response
if(responseCode == 200 || responseCode == 202){
utils.log("DEBUG", "GET Service Received a Good Response Code", isDebugEnabled)
if(utils.nodeExists(aaiResponse, "service-instance") || utils.nodeExists(aaiResponse, "service-subscription")){
utils.log("DEBUG", "GET Service Response Contains a service-instance" , isDebugEnabled)
execution.setVariable("GENGS_FoundIndicator", true)
execution.setVariable("GENGS_service", aaiResponse)
execution.setVariable("WorkflowResponse", aaiResponse)
}else{
utils.log("DEBUG", "GET Service Response Does NOT Contain Data" , isDebugEnabled)
}
}else if(responseCode == 404){
utils.log("DEBUG", "GET Service Received a Not Found (404) Response", isDebugEnabled)
execution.setVariable("WorkflowResponse", " ") //for junits
}
else{
utils.log("DEBUG", " GET Service Received a Bad Response: \n" + aaiResponse, isDebugEnabled)
exceptionUtil.MapAAIExceptionToWorkflowExceptionGeneric(execution, aaiResponse, responseCode)
throw new BpmnError("MSOWorkflowException")
}
}catch(BpmnError b){
utils.log("DEBUG", "Rethrowing MSOWorkflowException", isDebugEnabled)
throw b
}catch(Exception e){
utils.log("DEBUG", " Error encountered within GenericGetService GetServiceObject method!" + e, isDebugEnabled)
exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Internal Error - Occured During GenericGetService")
}
utils.log("DEBUG", " *** COMPLETED GenericGetService GetServiceObject Process*** ", isDebugEnabled)
}
}
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