catalog-be/src/test/java/org/openecomp/sdc/be/components/csar/YamlTemplateParsingHandlerTest.java

   1 /*-
   2  * ============LICENSE_START===============================================
   3  * ONAP SDC
   4  * ========================================================================
   5  * Modifications Copyright (c) 2019 Samsung
   6  * ========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=================================================
  19  */
  20
  21 package org.openecomp.sdc.be.components.csar;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.junit.jupiter.api.Assertions.assertEquals;
  25 import static org.junit.jupiter.api.Assertions.assertNotNull;
  26 import static org.junit.jupiter.api.Assertions.assertTrue;
  27 import static org.mockito.ArgumentMatchers.any;
  28 import static org.mockito.ArgumentMatchers.eq;
  29 import static org.mockito.Mockito.when;
  30 import static org.openecomp.sdc.be.utils.TypeUtils.ToscaTagNamesEnum.ARTIFACTS;
  31
  32 import java.io.File;
  33 import java.net.URISyntaxException;
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 import java.util.HashMap;
  37 import java.util.List;
  38 import java.util.Map;
  39 import java.util.Optional;
  40 import java.util.stream.Collectors;
  41 import mockit.Deencapsulation;
  42 import org.apache.commons.collections.MapUtils;
  43 import org.assertj.core.util.Lists;
  44 import org.junit.jupiter.api.BeforeAll;
  45 import org.junit.jupiter.api.BeforeEach;
  46 import org.junit.jupiter.api.Test;
  47 import org.junit.jupiter.api.extension.ExtendWith;
  48 import org.mockito.InjectMocks;
  49 import org.mockito.Mock;
  50 import org.mockito.junit.jupiter.MockitoExtension;
  51 import org.openecomp.sdc.be.components.impl.AnnotationBusinessLogic;
  52 import org.openecomp.sdc.be.components.impl.GroupTypeBusinessLogic;
  53 import org.openecomp.sdc.be.components.impl.PolicyTypeBusinessLogic;
  54 import org.openecomp.sdc.be.components.validation.AnnotationValidator;
  55 import org.openecomp.sdc.be.dao.janusgraph.JanusGraphDao;
  56 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  57 import org.openecomp.sdc.be.model.CapabilityDefinition;
  58 import org.openecomp.sdc.be.model.ComponentInstanceProperty;
  59 import org.openecomp.sdc.be.model.GroupProperty;
  60 import org.openecomp.sdc.be.model.GroupTypeDefinition;
  61 import org.openecomp.sdc.be.model.ParsedToscaYamlInfo;
  62 import org.openecomp.sdc.be.model.PolicyDefinition;
  63 import org.openecomp.sdc.be.model.PolicyTypeDefinition;
  64 import org.openecomp.sdc.be.model.Resource;
  65 import org.openecomp.sdc.be.model.Service;
  66 import org.openecomp.sdc.be.model.UploadArtifactInfo;
  67 import org.openecomp.sdc.be.model.UploadComponentInstanceInfo;
  68 import org.openecomp.sdc.be.model.User;
  69 import org.openecomp.sdc.be.model.operations.impl.AnnotationTypeOperations;
  70 import org.openecomp.sdc.common.zip.ZipUtils;
  71 import org.openecomp.sdc.common.zip.exception.ZipException;
  72 import org.springframework.test.util.ReflectionTestUtils;
  73
  74 @ExtendWith(MockitoExtension.class)
  75 public class YamlTemplateParsingHandlerTest {
  76
  77     @Mock
  78     private GroupTypeBusinessLogic groupTypeBusinessLogic;
  79     @Mock
  80     private AnnotationTypeOperations annotationTypeOperations;
  81     @Mock
  82     private AnnotationValidator annotationValidator;
  83     @Mock
  84     private JanusGraphDao janusGraphDao;
  85     @Mock
  86     private User user;
  87     @Mock
  88     private PolicyTypeBusinessLogic policyTypeBusinessLogic;
  89
  90     private YamlTemplateParsingHandler handler;
  91
  92     private static Map<String, byte[]> csar;
  93     private static String resourceYml;
  94
  95     private final static String VFC_GROUP_TYPE = "org.openecomp.groups.VfcInstanceGroup";
  96     private final static String HEAT_GROUP_TYPE = "org.openecomp.groups.heat.HeatStack";
  97     private final static String ROOT_GROUP_TYPE = "tosca.groups.Root";
  98     private final static String OPENECOMP_ANTILOCATE_POLICY_TYPE = "org.openecomp.policies.placement.Antilocate";
  99     private final static String ROOT_POLICIES_TYPE = "tosca.policies.Root";
 100     private final static GroupTypeDefinition VfcInstanceGroupType = buildVfcInstanceGroupType();
 101     private final static GroupTypeDefinition heatGroupType = buildHeatStackGroupType();
 102     private final static GroupTypeDefinition rootGroupType = buildRootGroupType();
 103     private static final PolicyTypeDefinition OPENECOMP_POLICY_TYPE = buildOpenecompPolicyType();
 104     private final static String OPENECOMP_POLICY_NAME = "vepdg_server_group_policy";
 105     private final static String CAPABILITY_TYPE = "org.openecomp.capabilities.VLANAssignment";
 106     private final static String CAPABILITY_NAME = "vlan_assignment";
 107     private static final String CSAR_FILE_PATH = "csars/with_groups.csar";
 108     private static final String FILE_NAME = "MainServiceTemplate.yaml";
 109     private static final String CSAR_UUID = "csarUUID";
 110     private static final String RESOURCE_NAME = "resourceName";
 111     private static final String MAIN_TEMPLATE_NAME = "Definitions/MainServiceTemplate.yaml";
 112     private static final String NODE_NAME = "org.openecomp.resource.abstract.nodes.heat.mg";
 113     private static final String MAIN_GROUP_NAME = "x_group";
 114     private static final String NESTED_GROUP_NAME = "nested_mg_vepdg_group";
 115
 116     @InjectMocks
 117     private YamlTemplateParsingHandler testSubject;
 118
 119     @BeforeAll
 120     public static void prepareData() throws URISyntaxException, ZipException {
 121         final File csarFile = new File(
 122             YamlTemplateParsingHandlerTest.class.getClassLoader().getResource(CSAR_FILE_PATH).toURI());
 123         csar = ZipUtils.readZip(csarFile, false);
 124
 125         Optional<String> keyOp = csar.keySet().stream().filter(k -> k.endsWith(FILE_NAME)).findAny();
 126         byte[] mainTemplateService = keyOp.map(csar::get).orElse(null);
 127         assertNotNull(mainTemplateService);
 128
 129         resourceYml = new String(mainTemplateService);
 130     }
 131
 132     @BeforeEach
 133     public void setup() {
 134
 135         AnnotationBusinessLogic annotationBusinessLogic = new AnnotationBusinessLogic(annotationTypeOperations,
 136             annotationValidator);
 137         handler = new YamlTemplateParsingHandler(janusGraphDao, groupTypeBusinessLogic, annotationBusinessLogic, policyTypeBusinessLogic);
 138         ReflectionTestUtils.setField(handler, "policyTypeBusinessLogic", policyTypeBusinessLogic);
 139     }
 140
 141     @Test
 142     void parseResourceInfoFromOneNodeTest() {
 143         when(groupTypeBusinessLogic.getLatestGroupTypeByType(eq(HEAT_GROUP_TYPE), any())).thenReturn(heatGroupType);
 144
 145         String main_template_content = new String(csar.get(MAIN_TEMPLATE_NAME));
 146         CsarInfo csarInfo = new CsarInfo(user, CSAR_UUID, csar, RESOURCE_NAME,
 147             MAIN_TEMPLATE_NAME, main_template_content, true);
 148
 149         Resource resource = new Resource();
 150         ParsedToscaYamlInfo parsedYaml = handler.parseResourceInfoFromYAML(FILE_NAME, resourceYml, new HashMap<>(),
 151             csarInfo.extractTypesInfo(), NODE_NAME, resource, getInterfaceTemplateYaml(csarInfo).get());
 152
 153         validateParsedYaml(parsedYaml, NESTED_GROUP_NAME,
 154             Lists.newArrayList("heat_file", "description"));
 155     }
 156
 157     @Test
 158     void parseServicePropertiesInfoFromYamlTest() {
 159         when(groupTypeBusinessLogic.getLatestGroupTypeByType(eq(HEAT_GROUP_TYPE), any())).thenReturn(heatGroupType);
 160         String main_template_content = new String(csar.get(MAIN_TEMPLATE_NAME));
 161         CsarInfo csarInfo = new CsarInfo(user, CSAR_UUID, csar, RESOURCE_NAME,
 162             MAIN_TEMPLATE_NAME, main_template_content, true);
 163
 164         Service service = new Service();
 165         ParsedToscaYamlInfo parsedYaml = handler.parseResourceInfoFromYAML(FILE_NAME, resourceYml, new HashMap<>(),
 166             csarInfo.extractTypesInfo(), NODE_NAME, service, getInterfaceTemplateYaml(csarInfo).get());
 167
 168         assertThat(parsedYaml.getProperties()).isNotNull();
 169         assertEquals(5, parsedYaml.getProperties().size());
 170         assertTrue(parsedYaml.getProperties().containsKey("skip_post_instantiation_configuration"));
 171         assertTrue(parsedYaml.getProperties().containsKey("controller_actor"));
 172         assertTrue(parsedYaml.getProperties().containsKey("cds_model_version"));
 173         assertTrue(parsedYaml.getProperties().containsKey("cds_model_name"));
 174         assertTrue(parsedYaml.getProperties().containsKey("default_software_version"));
 175     }
 176
 177     @Test
 178     void parseResourceInfoFromYAMLTest() {
 179         stubGetGroupType();
 180         stubGetPolicyType();
 181
 182         Resource resource = new Resource();
 183         ParsedToscaYamlInfo parsedYaml = handler.parseResourceInfoFromYAML(FILE_NAME, resourceYml, new HashMap<>(),
 184             new HashMap<>(), "", resource, null);
 185         validateParsedYamlWithCapability(parsedYaml);
 186     }
 187
 188     @Test
 189     void testSetArtifacts() {
 190         UploadComponentInstanceInfo nodeTemplateInfo = new UploadComponentInstanceInfo();
 191         Map<String, Object> nodeTemplateJsonMap = new HashMap<>();
 192         Map<String, String> nodeMap = new HashMap<>();
 193         nodeMap.put("name", "test_name");
 194         nodeMap.put("type", "test_type");
 195         nodeTemplateJsonMap.put(ARTIFACTS.getElementName(), nodeMap);
 196         Deencapsulation.invoke(testSubject, "setArtifacts", nodeTemplateInfo, nodeTemplateJsonMap);
 197         assertNotNull(nodeTemplateInfo.getArtifacts());
 198     }
 199
 200     @Test
 201     void testCreateArtifactsModuleFromYaml() {
 202         Map<String, Map<String, Map<String, String>>> nodeTemplateJsonMap = new HashMap<>();
 203         Map<String, Map<String, String>> map0 = new HashMap<>();
 204         Map<String, String> map1 = new HashMap<>();
 205         map1.put("file", "test_file");
 206         map1.put("type", "test_type");
 207         map0.put("test_art", map1);
 208         nodeTemplateJsonMap.put(ARTIFACTS.getElementName(), map0);
 209         Map<String, Map<String, UploadArtifactInfo>> result;
 210         result = Deencapsulation.invoke(testSubject, "createArtifactsModuleFromYaml", nodeTemplateJsonMap);
 211         assertTrue(MapUtils.isNotEmpty(result));
 212         assertTrue(MapUtils.isNotEmpty(result.get(ARTIFACTS.getElementName())));
 213         assertEquals("test_file", result.get(ARTIFACTS.getElementName()).get("test_art").getFile());
 214         assertEquals("test_type", result.get(ARTIFACTS.getElementName()).get("test_art").getType());
 215     }
 216
 217     @Test
 218     void testAddModuleNodeTemplateArtifacts() {
 219         Map<String, Map<String, UploadArtifactInfo>> result = new HashMap<>();
 220         Map<String, String> map1 = new HashMap<>();
 221         map1.put("file", "test_file");
 222         map1.put("type", "test_type");
 223         Deencapsulation.invoke(testSubject, "addModuleNodeTemplateArtifacts", result, map1, "test_art");
 224         assertTrue(MapUtils.isNotEmpty(result));
 225         assertTrue(MapUtils.isNotEmpty(result.get(ARTIFACTS.getElementName())));
 226         assertEquals("test_file", result.get(ARTIFACTS.getElementName()).get("test_art").getFile());
 227         assertEquals("test_type", result.get(ARTIFACTS.getElementName()).get("test_art").getType());
 228     }
 229
 230     @Test
 231     void testBuildModuleNodeTemplateArtifact() {
 232         Map<String, String> map1 = new HashMap<>();
 233         map1.put("file", "test_file");
 234         map1.put("type", "test_type");
 235         UploadArtifactInfo result;
 236         result = Deencapsulation.invoke(testSubject, "buildModuleNodeTemplateArtifact", map1);
 237         assertNotNull(result);
 238         assertEquals("test_file", result.getFile());
 239         assertEquals("test_type", result.getType());
 240     }
 241
 242     @Test
 243     void testFillArtifact() {
 244         Map<String, String> map1 = new HashMap<>();
 245         map1.put("file", "test_file");
 246         map1.put("type", "test_type");
 247         UploadArtifactInfo result = new UploadArtifactInfo();
 248         Deencapsulation.invoke(testSubject, "fillArtifact", result, map1);
 249         assertNotNull(result);
 250         assertEquals("test_file", result.getFile());
 251         assertEquals("test_type", result.getType());
 252     }
 253
 254     @Test
 255     void parseResourceWithPoliciesDefined() {
 256         stubGetGroupType();
 257         stubGetPolicyType();
 258         Resource resource = new Resource();
 259         ParsedToscaYamlInfo parsedYaml = handler.parseResourceInfoFromYAML(FILE_NAME, resourceYml, new HashMap<>(),
 260             new HashMap<>(), "", resource, "");
 261         validateParsedYamlWithPolicies(parsedYaml);
 262     }
 263
 264     @Test
 265     void parseResourceInstanceWithAttributesTest() {
 266         stubGetGroupType();
 267         stubGetPolicyType();
 268         Resource resource = new Resource();
 269         ParsedToscaYamlInfo parsedYaml = handler.parseResourceInfoFromYAML(FILE_NAME, resourceYml, new HashMap<>(),
 270                 new HashMap<>(), "", resource, null);
 271         validateParsedYamlWithAttributes(parsedYaml);
 272     }
 273
 274     private void validateParsedYamlWithAttributes(ParsedToscaYamlInfo parsedYaml) {
 275         ArrayList<String> expectedSubnetsShowList = new ArrayList<>();
 276         expectedSubnetsShowList.add("val1");
 277         expectedSubnetsShowList.add("val2");
 278
 279         HashMap<String, String> expectedSubnetsNameMap = new HashMap<>();
 280         expectedSubnetsNameMap.put("name1", "name_val1");
 281         expectedSubnetsNameMap.put("name2", "name_val2");
 282
 283
 284         assertThat(parsedYaml.getInstances().get("resource_instance_with_attributes")).isNotNull();
 285         UploadComponentInstanceInfo resourceInstanceWithAttributes = parsedYaml.getInstances().get("resource_instance_with_attributes");
 286         assertEquals(5, resourceInstanceWithAttributes.getAttributes().size());
 287
 288         assertTrue(resourceInstanceWithAttributes.getAttributes().containsKey("fq_name"));
 289         assertEquals(resourceInstanceWithAttributes.getAttributes().get("fq_name").getValue(), "fq_name_value");
 290         assertTrue(resourceInstanceWithAttributes.getAttributes().containsKey("tosca_name"));
 291         assertEquals(resourceInstanceWithAttributes.getAttributes().get("tosca_name").getValue(), "tosca_name_value");
 292         assertTrue(resourceInstanceWithAttributes.getAttributes().containsKey("subnets_show"));
 293         assertEquals(resourceInstanceWithAttributes.getAttributes().get("subnets_show").getValue(), expectedSubnetsShowList);
 294         assertTrue(resourceInstanceWithAttributes.getAttributes().containsKey("subnets_name"));
 295         assertEquals(resourceInstanceWithAttributes.getAttributes().get("subnets_name").getValue(), expectedSubnetsNameMap);
 296         assertTrue(resourceInstanceWithAttributes.getAttributes().containsKey("new_attribute"));
 297         assertEquals(resourceInstanceWithAttributes.getAttributes().get("new_attribute").getValue(), "new_attribute_value");
 298     }
 299
 300     private void validateParsedYaml(ParsedToscaYamlInfo parsedYaml, String group, List<String> expectedProp) {
 301         assertThat(parsedYaml).isNotNull();
 302         assertThat(parsedYaml.getGroups()).isNotNull().containsKey(group);
 303         assertThat(parsedYaml.getGroups().get(group)).isNotNull();
 304
 305         assertThat(parsedYaml.getGroups().get(group).getProperties()).isNotNull();
 306         assertThat(parsedYaml.getGroups().get(group).getProperties()
 307             .stream()
 308             .map(PropertyDataDefinition::getName)
 309             .collect(Collectors.toList()))
 310             .containsAll(expectedProp);
 311
 312         assertThat(parsedYaml.getGroups().get(group).getMembers()).isNotNull();
 313     }
 314
 315     private void validateParsedYamlWithCapability(ParsedToscaYamlInfo parsedYaml) {
 316
 317         final List<String> expectedProp = Lists.newArrayList("vfc_parent_port_role",
 318             "network_collection_function", "vfc_instance_group_function", "subinterface_role");
 319
 320         validateParsedYaml(parsedYaml, MAIN_GROUP_NAME, expectedProp);
 321
 322         assertThat(parsedYaml.getGroups().get(MAIN_GROUP_NAME).getCapabilities()
 323             .get(CAPABILITY_TYPE)
 324             .get(0).getProperties().get(0).getValue()).isEqualTo("success");
 325         assertThat(parsedYaml.getGroups().get(MAIN_GROUP_NAME).getCapabilities()).isNotNull();
 326         assertThat(parsedYaml.getSubstitutionMappingNodeType()).isEqualTo("org.openecomp.resource.abstract.nodes.VF");
 327     }
 328
 329     private void stubGetGroupType() {
 330         when(groupTypeBusinessLogic.getLatestGroupTypeByType(eq(VFC_GROUP_TYPE), any())).thenReturn(VfcInstanceGroupType);
 331         when(groupTypeBusinessLogic.getLatestGroupTypeByType(eq(HEAT_GROUP_TYPE), any())).thenReturn(heatGroupType);
 332         when(groupTypeBusinessLogic.getLatestGroupTypeByType(eq(ROOT_GROUP_TYPE), any())).thenReturn(rootGroupType);
 333     }
 334
 335     private static GroupTypeDefinition buildRootGroupType() {
 336         return createGroupTypeDefinition(ROOT_GROUP_TYPE, null,
 337             "The TOSCA Group Type all other TOSCA Group Types derive from");
 338     }
 339
 340     private static GroupTypeDefinition buildHeatStackGroupType() {
 341         GroupTypeDefinition groupType = createGroupTypeDefinition(HEAT_GROUP_TYPE, "tosca.groups.Root",
 342             "Grouped all heat resources which are in the same heat stack");
 343
 344         GroupProperty property1 = createGroupProperty("heat_file",
 345             "Heat file which associate to this group/heat stack", "SUPPORTED");
 346
 347         GroupProperty property2 = createGroupProperty("description",
 348             "Group description", "SUPPORTED");
 349
 350         groupType.setProperties(Lists.newArrayList(property1, property2));
 351         return groupType;
 352     }
 353
 354     private static GroupTypeDefinition buildVfcInstanceGroupType() {
 355         GroupTypeDefinition groupType = createGroupTypeDefinition(VFC_GROUP_TYPE, "tosca.groups.Root",
 356             "Groups of VFCs with same parent port role");
 357
 358         GroupProperty property1 = createGroupProperty("vfc_instance_group_function",
 359             "Function of this VFC group", null);
 360
 361         GroupProperty property2 = createGroupProperty("vfc_parent_port_role",
 362             "Common role of parent ports of VFCs in this group", null);
 363
 364         GroupProperty property3 = createGroupProperty("network_collection_function",
 365             "Network collection function assigned to this group", null);
 366
 367         GroupProperty property4 = createGroupProperty("subinterface_role",
 368             "Common role of subinterfaces of VFCs in this group, criteria the group is created", null);
 369
 370         groupType.setProperties(Lists.newArrayList(property1, property2, property3, property4));
 371
 372         CapabilityDefinition capability = new CapabilityDefinition();
 373         capability.setType(CAPABILITY_TYPE);
 374         capability.setName(CAPABILITY_NAME);
 375         ComponentInstanceProperty capabilityProperty = new ComponentInstanceProperty();
 376         capabilityProperty.setName("vfc_instance_group_reference");
 377         capabilityProperty.setType("string");
 378         capability.setProperties(Collections.singletonList(capabilityProperty));
 379
 380         Map<String, CapabilityDefinition> capabilityMap = new HashMap<>();
 381         capabilityMap.put(CAPABILITY_NAME, capability);
 382         groupType.setCapabilities(capabilityMap);
 383         return groupType;
 384     }
 385
 386     private static GroupTypeDefinition createGroupTypeDefinition(String type, String derivedFrom, String description) {
 387         GroupTypeDefinition property = new GroupTypeDefinition();
 388
 389         if (type != null) {
 390             property.setType(type);
 391         }
 392
 393         if (derivedFrom != null) {
 394             property.setDerivedFrom(derivedFrom);
 395         }
 396
 397         if (description != null) {
 398             property.setDescription(description);
 399         }
 400
 401         return property;
 402     }
 403
 404     private static GroupProperty createGroupProperty(String name, String description,
 405                                                      String status) {
 406         GroupProperty property = new GroupProperty();
 407         if (name != null) {
 408             property.setName(name);
 409         }
 410
 411         if (description != null) {
 412             property.setDescription(description);
 413         }
 414
 415         if (status != null) {
 416             property.setStatus(status);
 417         }
 418
 419         property.setType("string");
 420         property.setRequired(true);
 421
 422         return property;
 423     }
 424
 425     private void validateParsedYamlWithPolicies(ParsedToscaYamlInfo parsedYaml) {
 426         // validate  policies
 427         assertThat(parsedYaml.getPolicies()).isNotNull();
 428         assertThat(parsedYaml.getPolicies()).containsKey(OPENECOMP_POLICY_NAME);
 429         assertThat(parsedYaml.getPolicies().get(OPENECOMP_POLICY_NAME)).isInstanceOf(PolicyDefinition.class);
 430     }
 431
 432     private void stubGetPolicyType() {
 433         when(policyTypeBusinessLogic.getLatestPolicyTypeByType(eq(OPENECOMP_ANTILOCATE_POLICY_TYPE), any()))
 434             .thenReturn(OPENECOMP_POLICY_TYPE);
 435     }
 436
 437     private static PolicyTypeDefinition buildOpenecompPolicyType() {
 438         return createPolicyTypeDefinition(OPENECOMP_POLICY_NAME, OPENECOMP_ANTILOCATE_POLICY_TYPE, ROOT_POLICIES_TYPE,
 439             "The Openecomp Antilocate policy");
 440     }
 441
 442     private static PolicyTypeDefinition createPolicyTypeDefinition(String policyName, String policyType, String derivedFrom, String description) {
 443         PolicyTypeDefinition policyTypeDefinition = new PolicyTypeDefinition();
 444         if (policyName != null && !policyName.isEmpty()) {
 445             policyTypeDefinition.setName(policyName);
 446         }
 447         if (policyType != null) {
 448             policyTypeDefinition.setType(policyType);
 449         }
 450         if (derivedFrom != null) {
 451             policyTypeDefinition.setDerivedFrom(derivedFrom);
 452         }
 453         if (description != null) {
 454             policyTypeDefinition.setDescription(description);
 455         }
 456         return policyTypeDefinition;
 457     }
 458
 459     private Optional<String> getInterfaceTemplateYaml(CsarInfo csarInfo) {
 460         String[] yamlFile;
 461         String interfaceTemplateYaml = "";
 462         if (csarInfo.getMainTemplateName().contains(".yml")) {
 463             yamlFile = csarInfo.getMainTemplateName().split(".yml");
 464             interfaceTemplateYaml = yamlFile[0] + "-interface.yml";
 465         } else if (csarInfo.getMainTemplateName().contains(".yaml")) {
 466             yamlFile = csarInfo.getMainTemplateName().split(".yaml");
 467             interfaceTemplateYaml = yamlFile[0] + "-interface.yaml";
 468         }
 469         if (csarInfo.getCsar().containsKey(interfaceTemplateYaml)) {
 470             return Optional.of(new String(csarInfo.getCsar().get(interfaceTemplateYaml)));
 471         }
 472         return Optional.empty();
 473     }
 474 }