Fix tapi get-topology-details functional test 69/98969/1
authorerrea <errea@eurecom.fr>
Fri, 19 Nov 2021 16:12:29 +0000 (17:12 +0100)
committerGilles Thouenon <gilles.thouenon@orange.com>
Tue, 14 Dec 2021 08:05:14 +0000 (09:05 +0100)
- Replace databroker with networkTransactionService in
  R2RTapiLinkDiscovery
- Add specific LOG message to enable tapi tests to
  know when the device has been successfully connected
  and translated in the TAPI topology
- Add connect_xpdr_to_rdm_tapi_request and mount_tapi_device
  tests in test_utils which will be called from
  test12_tapi_full_multi_layer

JIRA: TRNSPRTPCE-553
Signed-off-by: errea <errea@eurecom.fr>
Change-Id: Iff6811d19861521733de1667c49ba4793fa35b2c

lighty/src/main/java/io/lighty/controllers/tpce/module/TransportPCEImpl.java
tapi/src/main/java/org/opendaylight/transportpce/tapi/R2RTapiLinkDiscovery.java
tapi/src/main/java/org/opendaylight/transportpce/tapi/topology/TapiNetworkModelServiceImpl.java
tapi/src/main/resources/OSGI-INF/blueprint/tapi-blueprint.xml
tests/transportpce_tests/2.2.1/test13_tapi_full_multi_layer.py
tests/transportpce_tests/common/test_utils.py

index aafa0753560827e8b4db7d7b6d715e81faeb8306..f9d6a02d9155e9d0f33895bd7ef8bcea178d4b59 100644 (file)
@@ -208,7 +208,7 @@ public class TransportPCEImpl extends AbstractLightyModule implements TransportP
                 networkModelListenerImpl, servicehandler);
 
         LOG.info("Creating tapi beans ...");
-        R2RTapiLinkDiscovery tapilinkDiscoveryImpl = new R2RTapiLinkDiscovery(lightyServices.getBindingDataBroker(),
+        R2RTapiLinkDiscovery tapilinkDiscoveryImpl = new R2RTapiLinkDiscovery(networkTransaction,
             deviceTransactionManager);
         TapiRendererListenerImpl tapiRendererListenerImpl = new TapiRendererListenerImpl(lightyServices
                 .getBindingDataBroker());
index 1f1d762ae681f320cec6b46ced08b02fd860b1e0..becd14a4c07d1b9363125e0d5ce41a8bbc3a8382 100644 (file)
@@ -19,12 +19,11 @@ import java.util.concurrent.ExecutionException;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import org.eclipse.jdt.annotation.Nullable;
-import org.opendaylight.mdsal.binding.api.DataBroker;
 import org.opendaylight.mdsal.binding.api.MountPoint;
-import org.opendaylight.mdsal.binding.api.ReadTransaction;
 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.transportpce.common.Timeouts;
 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
+import org.opendaylight.transportpce.common.network.NetworkTransactionService;
 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210426.Network;
 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210426.cp.to.degree.CpToDegree;
 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev210426.mapping.Mapping;
@@ -84,12 +83,13 @@ public class R2RTapiLinkDiscovery {
 
     private static final Logger LOG = LoggerFactory.getLogger(R2RTapiLinkDiscovery.class);
 
-    private final DataBroker dataBroker;
+    private final NetworkTransactionService networkTransactionService;
     private final DeviceTransactionManager deviceTransactionManager;
     private static final String PHTNC_MEDIA = "PHOTONIC_MEDIA";
 
-    public R2RTapiLinkDiscovery(final DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager) {
-        this.dataBroker = dataBroker;
+    public R2RTapiLinkDiscovery(NetworkTransactionService networkTransactionService,
+                                DeviceTransactionManager deviceTransactionManager) {
+        this.networkTransactionService = networkTransactionService;
         this.deviceTransactionManager = deviceTransactionManager;
     }
 
@@ -368,8 +368,10 @@ public class R2RTapiLinkDiscovery {
     private Integer getDegFromInterface(NodeId nodeId, String interfaceName) {
         InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
             .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
-        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
-            Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID).get();
+        try {
+
+            Optional<Nodes> nodesObject = this.networkTransactionService.read(LogicalDatastoreType.CONFIGURATION,
+                nodesIID).get();
             if (nodesObject.isEmpty() || (nodesObject.get().getCpToDegree() == null)) {
                 LOG.warn("Could not find mapping for Interface {} for nodeId {}", interfaceName,
                     nodeId.getValue());
@@ -399,8 +401,9 @@ public class R2RTapiLinkDiscovery {
     public Direction getDegreeDirection(Integer degreeCounter, NodeId nodeId) {
         InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
             .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
-        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
-            Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID).get();
+        try {
+            Optional<Nodes> nodesObject = this.networkTransactionService.read(LogicalDatastoreType.CONFIGURATION,
+                nodesIID).get();
             if (nodesObject.isPresent() && (nodesObject.get().getMapping() != null)) {
                 Collection<Mapping> mappingList = nodesObject.get().nonnullMapping().values();
                 mappingList = mappingList.stream().filter(mp -> mp.getLogicalConnectionPoint().contains("DEG"
@@ -423,12 +426,14 @@ public class R2RTapiLinkDiscovery {
                 .child(Topology.class, new TopologyKey(tapiTopoUuid)).child(Node.class, new NodeKey(nodeUuid))
                 .child(OwnedNodeEdgePoint.class, new OwnedNodeEdgePointKey(nepUuid))
                 .build();
-        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
-            Optional<OwnedNodeEdgePoint> optionalOnep = readTx.read(LogicalDatastoreType.OPERATIONAL, onepIID).get();
-            if (optionalOnep.isPresent()) {
-                return optionalOnep.get().getOperationalState();
+        try {
+            Optional<OwnedNodeEdgePoint> optionalOnep = this.networkTransactionService.read(
+                LogicalDatastoreType.OPERATIONAL, onepIID).get();
+            if (!optionalOnep.isPresent()) {
+                LOG.error("No NEP {} object present in datastore", nepUuid);
+                return null;
             }
-            return null;
+            return optionalOnep.get().getOperationalState();
         } catch (InterruptedException | ExecutionException e) {
             LOG.error("Failed getting Mapping data from portMapping",e);
             return null;
@@ -441,12 +446,14 @@ public class R2RTapiLinkDiscovery {
                 .child(Topology.class, new TopologyKey(tapiTopoUuid)).child(Node.class, new NodeKey(nodeUuid))
                 .child(OwnedNodeEdgePoint.class, new OwnedNodeEdgePointKey(nepUuid))
                 .build();
-        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
-            Optional<OwnedNodeEdgePoint> optionalOnep = readTx.read(LogicalDatastoreType.OPERATIONAL, onepIID).get();
-            if (optionalOnep.isPresent()) {
-                return optionalOnep.get().getAdministrativeState();
+        try {
+            Optional<OwnedNodeEdgePoint> optionalOnep = this.networkTransactionService.read(
+                LogicalDatastoreType.OPERATIONAL, onepIID).get();
+            if (!optionalOnep.isPresent()) {
+                LOG.error("No NEP {} object present in datastore", nepUuid);
+                return null;
             }
-            return null;
+            return optionalOnep.get().getAdministrativeState();
         } catch (InterruptedException | ExecutionException e) {
             LOG.error("Failed getting Mapping data from portMapping",e);
             return null;
index eee0ba1fbeb8ef921ca1a43f524a6ae21f743f92..767030a9d07e3673701001c97836c7d3cbb4825d 100644 (file)
@@ -219,7 +219,7 @@ public class TapiNetworkModelServiceImpl implements TapiNetworkModelService {
             if (!rdm2rdmLinks.isEmpty()) {
                 mergeLinkinTopology(rdm2rdmLinks);
             }
-
+            LOG.info("TAPI node for or node {} successfully merged", orNodeId);
         } else if (NodeTypes.Xpdr.getIntValue() ==  node.getNodeInfo().getNodeType().getIntValue()) {
             List<Mapping> networkMappings = node.nonnullMapping().values()
                     .stream().filter(k -> k.getLogicalConnectionPoint()
@@ -249,6 +249,7 @@ public class TapiNetworkModelServiceImpl implements TapiNetworkModelService {
                     mergeSipsinContext(this.sipMap);
                 }
             }
+            LOG.info("TAPI node for or node {} successfully merged", orNodeId);
         }
         // Device not managed yet
     }
index 10fe76ca8c06de68fe7b712c94bd52118b16e9bf..e92e99cfab76c0476be7bd653842ad82f1db9e87 100644 (file)
@@ -86,7 +86,7 @@ Author: Gilles Thouenon <gilles.thouenon@orange.com>
     </bean>
 
     <bean id="tapilinkDiscoveryImpl" class="org.opendaylight.transportpce.tapi.R2RTapiLinkDiscovery">
-        <argument ref="dataBroker" />
+        <argument ref="networkTransactionImpl" />
         <argument ref="deviceTransactionManager" />
     </bean>
 
index 348610107c11654d2b61f3e72aced49a78aa20d5..85323c94d2844b5eac6f064f1ad7c8c5ccbbf53f 100644 (file)
@@ -132,22 +132,27 @@ class TransportPCEtesting(unittest.TestCase):
         time.sleep(5)
 
     def test_01_connect_spdrA(self):
-        response = test_utils.mount_device("SPDR-SA1", ('spdra', self.NODE_VERSION))
+        print("Connecting SPDRA")
+        response = test_utils.mount_tapi_device("SPDR-SA1", ('spdra', self.NODE_VERSION))
         self.assertEqual(response.status_code,
                          requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_02_connect_spdrC(self):
-        response = test_utils.mount_device("SPDR-SC1", ('spdrc', self.NODE_VERSION))
+        print("Connecting SPDRC")
+        response = test_utils.mount_tapi_device("SPDR-SC1", ('spdrc', self.NODE_VERSION))
         self.assertEqual(response.status_code,
                          requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
     def test_03_connect_rdmA(self):
-        response = test_utils.mount_device("ROADM-A1", ('roadma', self.NODE_VERSION))
+        print("Connecting ROADMA")
+        response = test_utils.mount_tapi_device("ROADM-A1", ('roadma', self.NODE_VERSION))
         self.assertEqual(response.status_code,
                          requests.codes.created, test_utils.CODE_SHOULD_BE_201)
+        time.sleep(2)
 
     def test_04_connect_rdmC(self):
-        response = test_utils.mount_device("ROADM-C1", ('roadmc', self.NODE_VERSION))
+        print("Connecting ROADMC")
+        response = test_utils.mount_tapi_device("ROADM-C1", ('roadmc', self.NODE_VERSION))
         self.assertEqual(response.status_code,
                          requests.codes.created, test_utils.CODE_SHOULD_BE_201)
 
@@ -169,7 +174,16 @@ class TransportPCEtesting(unittest.TestCase):
                       res["output"]["result"])
         time.sleep(2)
 
-    def test_07_connect_sprdC_1_N1_to_roadmC_PP1(self):
+    def test_07_connect_roadmA_PP1_to_spdrA_1_N1_tapi(self):
+        response = test_utils.connect_xpdr_to_rdm_tapi_request("SPDR-SA1-XPDR1", "XPDR1-NETWORK1",
+                                                               "ROADM-A1", "SRG1-PP1-TXRX")
+        self.assertEqual(response.status_code, requests.codes.ok)
+        res = response.json()
+        self.assertIn('Link created in tapi topology',
+                      res["output"]["result"])
+        time.sleep(2)
+
+    def test_08_connect_sprdC_1_N1_to_roadmC_PP1(self):
         response = test_utils.connect_xpdr_to_rdm_request("SPDR-SC1", "1", "1",
                                                           "ROADM-C1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -178,7 +192,7 @@ class TransportPCEtesting(unittest.TestCase):
                       res["output"]["result"])
         time.sleep(2)
 
-    def test_08_connect_roadmC_PP1_to_spdrC_1_N1(self):
+    def test_09_connect_roadmC_PP1_to_spdrC_1_N1(self):
         response = test_utils.connect_rdm_to_xpdr_request("SPDR-SC1", "1", "1",
                                                           "ROADM-C1", "1", "SRG1-PP1-TXRX")
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -187,7 +201,16 @@ class TransportPCEtesting(unittest.TestCase):
                       res["output"]["result"])
         time.sleep(2)
 
-    def test_09_add_omsAttributes_ROADMA_ROADMC(self):
+    def test_10_connect_roadmC_PP1_to_spdrC_1_N1_tapi(self):
+        response = test_utils.connect_xpdr_to_rdm_tapi_request("SPDR-SC1-XPDR1", "XPDR1-NETWORK1",
+                                                               "ROADM-C1", "SRG1-PP1-TXRX")
+        self.assertEqual(response.status_code, requests.codes.ok)
+        res = response.json()
+        self.assertIn('Link created in tapi topology',
+                      res["output"]["result"])
+        time.sleep(2)
+
+    def test_11_add_omsAttributes_ROADMA_ROADMC(self):
         # Config ROADMA-ROADMC oms-attributes
         data = {"span": {
             "auto-spanloss": "true",
@@ -204,7 +227,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(response.status_code, requests.codes.created)
         time.sleep(2)
 
-    def test_10_add_omsAttributes_ROADMC_ROADMA(self):
+    def test_12_add_omsAttributes_ROADMC_ROADMA(self):
         # Config ROADMC-ROADMA oms-attributes
         data = {"span": {
             "auto-spanloss": "true",
@@ -221,7 +244,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(response.status_code, requests.codes.created)
         time.sleep(2)
 
-    def test_11_check_otn_topology(self):
+    def test_13_check_otn_topology(self):
         response = test_utils.get_otn_topo_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
@@ -230,7 +253,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertNotIn('ietf-network-topology:link', res['network'][0])
         time.sleep(2)
 
-    def test_12_check_openroadm_topology(self):
+    def test_14_check_openroadm_topology(self):
         response = test_utils.get_ordm_topo_request("")
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
@@ -240,7 +263,7 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertEqual(nbLink, 22, 'There should be 22 openroadm links')
         time.sleep(2)
 
-    def test_13_get_tapi_topology_details(self):
+    def test_15_get_tapi_topology_details(self):
         response = test_utils.tapi_get_topology_details_request(
             "T0 - Full Multi-layer topology")
         time.sleep(2)
@@ -249,10 +272,10 @@ class TransportPCEtesting(unittest.TestCase):
         nbNode = len(res['output']['topology']['node'])
         nbLink = len(res['output']['topology']['link'])
         self.assertEqual(nbNode, 14, 'There should be 14 TAPI nodes')
-        self.assertEqual(nbLink, 13, 'There should be 13 TAPI links')
+        self.assertEqual(nbLink, 15, 'There should be 15 TAPI links')
         time.sleep(2)
 
-    def test_14_check_sip_details(self):
+    def test_16_check_sip_details(self):
         response = test_utils.tapi_get_sip_details_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
@@ -261,7 +284,7 @@ class TransportPCEtesting(unittest.TestCase):
         time.sleep(2)
 
 # test create connectivity service from spdrA to spdrC for Photonic_media
-    def test_15_create_connectivity_service_PhotonicMedia(self):
+    def test_17_create_connectivity_service_PhotonicMedia(self):
         response = test_utils.tapi_create_connectivity_request(self.cr_serv_sample_data)
         time.sleep(self.WAITING)
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -288,9 +311,10 @@ class TransportPCEtesting(unittest.TestCase):
                              res['output']['service']['end-point'][0]['name'][0])
         self.assertDictEqual(dict(input_dict_3, **res['output']['service']['end-point'][1]['name'][0]),
                              res['output']['service']['end-point'][1]['name'][0])
+        # If the gate fails is because of the waiting time not being enough
         time.sleep(self.WAITING)
 
-    def test_16_get_service_PhotonicMedia(self):
+    def test_18_get_service_PhotonicMedia(self):
         response = test_utils.get_service_list_request(
             "services/" + str(self.uuid_services.pm))
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -306,7 +330,7 @@ class TransportPCEtesting(unittest.TestCase):
         time.sleep(2)
 
 # test create connectivity service from spdrA to spdrC for odu
-    def test_17_create_connectivity_service_ODU(self):
+    def test_19_create_connectivity_service_ODU(self):
         # pylint: disable=line-too-long
         self.cr_serv_sample_data["input"]["end-point"][0]["layer-protocol-name"] = "ODU"
         self.cr_serv_sample_data["input"]["end-point"][0]["service-interface-point"]["service-interface-point-uuid"] = "eecbfa6e-57ab-3651-9606-c22c8ce73f18"
@@ -340,9 +364,10 @@ class TransportPCEtesting(unittest.TestCase):
                              res['output']['service']['end-point'][0]['name'][0])
         self.assertDictEqual(dict(input_dict_3, **res['output']['service']['end-point'][1]['name'][0]),
                              res['output']['service']['end-point'][1]['name'][0])
+        # If the gate fails is because of the waiting time not being enough
         time.sleep(self.WAITING)
 
-    def test_18_get_service_ODU(self):
+    def test_20_get_service_ODU(self):
         response = test_utils.get_service_list_request(
             "services/" + str(self.uuid_services.odu))
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -358,7 +383,7 @@ class TransportPCEtesting(unittest.TestCase):
         time.sleep(2)
 
 # test create connectivity service from spdrA to spdrC for dsr
-    def test_19_create_connectivity_service_DSR(self):
+    def test_21_create_connectivity_service_DSR(self):
         # pylint: disable=line-too-long
         self.cr_serv_sample_data["input"]["end-point"][0]["layer-protocol-name"] = "DSR"
         self.cr_serv_sample_data["input"]["end-point"][0]["service-interface-point"]["service-interface-point-uuid"] = "c14797a0-adcc-3875-a1fe-df8949d1a2d7"
@@ -396,9 +421,10 @@ class TransportPCEtesting(unittest.TestCase):
         self.assertDictEqual(dict(input_dict_3,
                                   **res['output']['service']['end-point'][1]['name'][0]),
                              res['output']['service']['end-point'][1]['name'][0])
+        # The sleep here is okey as the DSR service creation is very fast
         time.sleep(self.WAITING)
 
-    def test_20_get_service_DSR(self):
+    def test_22_get_service_DSR(self):
         response = test_utils.get_service_list_request(
             "services/" + str(self.uuid_services.dsr))
         self.assertEqual(response.status_code, requests.codes.ok)
@@ -413,7 +439,7 @@ class TransportPCEtesting(unittest.TestCase):
             res['services'][0]['lifecycle-state'], 'planned')
         time.sleep(2)
 
-    def test_21_get_connectivity_service_list(self):
+    def test_23_get_connectivity_service_list(self):
         response = test_utils.tapi_get_service_list_request()
         self.assertEqual(response.status_code, requests.codes.ok)
         res = response.json()
@@ -438,22 +464,22 @@ class TransportPCEtesting(unittest.TestCase):
                 self.fail("get connectivity service failed")
         time.sleep(2)
 
-    def test_22_delete_connectivity_service_DSR(self):
+    def test_24_delete_connectivity_service_DSR(self):
         response = test_utils.tapi_delete_connectivity_request(self.uuid_services.dsr)
         self.assertEqual(response.status_code, requests.codes.no_content)
         time.sleep(self.WAITING)
 
-    def test_23_delete_connectivity_service_ODU(self):
+    def test_25_delete_connectivity_service_ODU(self):
         response = test_utils.tapi_delete_connectivity_request(self.uuid_services.odu)
         self.assertEqual(response.status_code, requests.codes.no_content)
         time.sleep(self.WAITING)
 
-    def test_24_delete_connectivity_service_PhotonicMedia(self):
+    def test_26_delete_connectivity_service_PhotonicMedia(self):
         response = test_utils.tapi_delete_connectivity_request(self.uuid_services.pm)
         self.assertEqual(response.status_code, requests.codes.no_content)
         time.sleep(self.WAITING)
 
-    def test_25_get_no_tapi_services(self):
+    def test_27_get_no_tapi_services(self):
         response = test_utils.tapi_get_service_list_request()
         res = response.json()
         self.assertIn(
@@ -463,7 +489,7 @@ class TransportPCEtesting(unittest.TestCase):
             res['errors']['error'])
         time.sleep(2)
 
-    def test_26_get_no_openroadm_services(self):
+    def test_28_get_no_openroadm_services(self):
         response = test_utils.get_service_list_request("")
         self.assertEqual(response.status_code, requests.codes.conflict)
         res = response.json()
@@ -473,22 +499,22 @@ class TransportPCEtesting(unittest.TestCase):
             res['errors']['error'])
         time.sleep(2)
 
-    def test_27_disconnect_spdrA(self):
+    def test_29_disconnect_spdrA(self):
         response = test_utils.unmount_device("SPDR-SA1")
         self.assertEqual(response.status_code, requests.codes.ok,
                          test_utils.CODE_SHOULD_BE_200)
 
-    def test_28_disconnect_spdrC(self):
+    def test_30_disconnect_spdrC(self):
         response = test_utils.unmount_device("SPDR-SC1")
         self.assertEqual(response.status_code, requests.codes.ok,
                          test_utils.CODE_SHOULD_BE_200)
 
-    def test_29_disconnect_roadmA(self):
+    def test_31_disconnect_roadmA(self):
         response = test_utils.unmount_device("ROADM-A1")
         self.assertEqual(response.status_code, requests.codes.ok,
                          test_utils.CODE_SHOULD_BE_200)
 
-    def test_30_disconnect_roadmC(self):
+    def test_32_disconnect_roadmC(self):
         response = test_utils.unmount_device("ROADM-C1")
         self.assertEqual(response.status_code, requests.codes.ok,
                          test_utils.CODE_SHOULD_BE_200)
index cfb5f92e0f52538a26e713c35084a732373c9bb5..ca3ef103f96ab7fa461f37657e08374792f5dfc2 100644 (file)
@@ -261,6 +261,27 @@ def mount_device(node_id, sim):
     return response
 
 
+def mount_tapi_device(node_id, sim):
+    url = URL_CONFIG_NETCONF_TOPO + "node/" + node_id
+    body = {"node": [{
+        "node-id": node_id,
+        "netconf-node-topology:username": NODES_LOGIN,
+        "netconf-node-topology:password": NODES_PWD,
+        "netconf-node-topology:host": "127.0.0.1",
+        "netconf-node-topology:port": SIMS[sim]['port'],
+        "netconf-node-topology:tcp-only": "false",
+        "netconf-node-topology:pass-through": {}}]}
+    response = put_request(url, body)
+    if wait_until_log_contains(TPCE_LOG, re.escape(f"TAPI node for or node {node_id} successfully merged"), 200):
+        print("Node " + node_id + " correctly added to tpce topology", end='... ', flush=True)
+    else:
+        print("Node " + node_id + " still not added to tpce topology", end='... ', flush=True)
+        if response.status_code == requests.codes.ok:
+            print("It was probably loaded at start-up", end='... ', flush=True)
+        # TODO an else-clause to abort test would probably be nice here
+    return response
+
+
 def unmount_device(node_id):
     url = URL_CONFIG_NETCONF_TOPO + "node/" + node_id
     response = delete_request(url)
@@ -307,6 +328,19 @@ def connect_rdm_to_xpdr_request(xpdr_node: str, xpdr_num: str, network_num: str,
     return post_request(url, data)
 
 
+def connect_xpdr_to_rdm_tapi_request(xpdr_node: str, xpdr_num: str, rdm_node: str, srg_num: str):
+    url = "{}/operations/transportpce-tapinetworkutils:init-xpdr-rdm-tapi-link"
+    data = {
+        "input": {
+            "xpdr-node": xpdr_node,
+            "network-tp": xpdr_num,
+            "rdm-node": rdm_node,
+            "add-drop-tp": srg_num
+        }
+    }
+    return post_request(url, data)
+
+
 def check_netconf_node_request(node: str, suffix: str):
     url = URL_CONFIG_NETCONF_TOPO + (
         "node/" + node + "/yang-ext:mount/org-openroadm-device:org-openroadm-device/" + suffix