Add a configurable delay to the DMI stub

Added realistic default delay to application.yaml
Added realistic default delay to docker-compose.yml

Issue-ID: CPS-2053
Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>
Change-Id: I756774e9538926aa341f1338fcb6882951ce3e69

2 files changed, 26 insertions, 0 deletions

diff --git a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java
index a4f7111324..772eb050c6 100644
--- a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java
+++ b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java
@@ -69,6 +69,15 @@ public class DmiRestStubController {
     @Value("${app.ncmp.async-m2m.topic}")
     private String ncmpAsyncM2mTopic;
 
+    @Value("${delay.module-references-delay-ms}")
+    private long moduleReferencesDelayMs;
+
+    @Value("${delay.module-resources-delay-ms}")
+    private long moduleResourcesDelayMs;
+
+    @Value("${delay.data-for-cm-handle-delay-ms}")
+    private long dataForCmHandleDelayMs;
+
     private String dataOperationEventType = "org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent";
 
     /**
@@ -82,6 +91,7 @@ public class DmiRestStubController {
     @PostMapping("/v1/ch/{cmHandleId}/modules")
     public ResponseEntity<String> getModuleReferences(@PathVariable final String cmHandleId,
                                                       @RequestBody final Object moduleReferencesRequest) {
+        delay(moduleReferencesDelayMs);
         final String moduleResponseContent = getModuleResourceResponse(cmHandleId,
                 "ModuleResponse.json");
         log.info("cm handle: {} requested for modules", cmHandleId);
@@ -100,6 +110,7 @@ public class DmiRestStubController {
     public ResponseEntity<String> retrieveModuleResources(
             @PathVariable final String cmHandleId,
             @RequestBody final Object moduleResourcesReadRequest) {
+        delay(moduleResourcesDelayMs);
         final String moduleResourcesResponseContent = getModuleResourceResponse(cmHandleId,
                 "ModuleResourcesResponse.json");
         log.info("cm handle: {} requested for modules resources", cmHandleId);
@@ -121,6 +132,7 @@ public class DmiRestStubController {
                                                                         final String requestId,
                                                                         @RequestBody final DmiDataOperationRequest
                                                                                     dmiDataOperationRequest) {
+        delay(dataForCmHandleDelayMs);
         try {
             log.info("Request received from the NCMP to DMI Plugin: {}",
                     objectMapper.writeValueAsString(dmiDataOperationRequest));
@@ -199,4 +211,13 @@ public class DmiRestStubController {
         return ResourceFileReaderUtil.getResourceFileContent(applicationContext.getResource(
                 ResourceLoader.CLASSPATH_URL_PREFIX + "module/ietfYang" + moduleResponseType));
     }
+
+    private void delay(final long milliseconds) {
+        try {
+            Thread.sleep(milliseconds);
+        } catch (final InterruptedException e) {
+            log.error("Thread sleep interrupted: {}", e.getMessage());
+            Thread.currentThread().interrupt();
+        }
+    }
 }
diff --git a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
index 8e39a4e71c..de097a67b4 100644
--- a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
+++ b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/resources/application.yml
@@ -40,3 +40,8 @@ app:
     ncmp:
         async-m2m:
             topic: ${NCMP_ASYNC_M2M_TOPIC:ncmp-async-m2m}
+
+delay:
+    module-references-delay-ms: ${MODULE_REFERENCES_DELAY_MS:100}
+    module-resources-delay-ms: ${MODULE_RESOURCES_DELAY_MS:1000}
+    data-for-cm-handle-delay-ms: ${DATA_FOR_CM_HANDLE_DELAY_MS:2500}