2 * Copyright (c) 2014 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.sal.rest.doc.impl;
10 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.TOP;
11 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildDelete;
12 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildGet;
13 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildPatch;
14 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildPost;
15 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildPostOperation;
16 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.buildPut;
17 import static org.opendaylight.netconf.sal.rest.doc.model.builder.OperationBuilder.getTypeParentNode;
18 import static org.opendaylight.netconf.sal.rest.doc.util.JsonUtil.addFields;
19 import static org.opendaylight.netconf.sal.rest.doc.util.RestDocgenUtil.resolvePathArgumentsName;
21 import com.fasterxml.jackson.databind.JsonNode;
22 import com.fasterxml.jackson.databind.ObjectMapper;
23 import com.fasterxml.jackson.databind.SerializationFeature;
24 import com.fasterxml.jackson.databind.node.ArrayNode;
25 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
26 import com.fasterxml.jackson.databind.node.ObjectNode;
27 import com.google.common.base.Preconditions;
28 import com.google.common.collect.ImmutableList;
29 import com.google.common.collect.Range;
30 import java.io.IOException;
31 import java.time.format.DateTimeParseException;
32 import java.util.Collection;
33 import java.util.Collections;
34 import java.util.HashMap;
35 import java.util.Iterator;
36 import java.util.List;
38 import java.util.Map.Entry;
39 import java.util.Optional;
41 import java.util.SortedSet;
42 import java.util.TreeSet;
43 import javax.ws.rs.core.MediaType;
44 import javax.ws.rs.core.UriInfo;
45 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
46 import org.opendaylight.netconf.sal.rest.doc.swagger.CommonApiObject;
47 import org.opendaylight.netconf.sal.rest.doc.swagger.Components;
48 import org.opendaylight.netconf.sal.rest.doc.swagger.Info;
49 import org.opendaylight.netconf.sal.rest.doc.swagger.OpenApiObject;
50 import org.opendaylight.netconf.sal.rest.doc.swagger.SecurityDefinitions;
51 import org.opendaylight.netconf.sal.rest.doc.swagger.SecuritySchemes;
52 import org.opendaylight.netconf.sal.rest.doc.swagger.Server;
53 import org.opendaylight.netconf.sal.rest.doc.swagger.SwaggerObject;
54 import org.opendaylight.netconf.sal.rest.doc.util.JsonUtil;
55 import org.opendaylight.yangtools.yang.common.QName;
56 import org.opendaylight.yangtools.yang.common.Revision;
57 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
58 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
59 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
60 import org.opendaylight.yangtools.yang.model.api.ActionNodeContainer;
61 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
62 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
63 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
64 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
65 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
66 import org.opendaylight.yangtools.yang.model.api.Module;
67 import org.opendaylight.yangtools.yang.model.api.OperationDefinition;
68 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
69 import org.slf4j.Logger;
70 import org.slf4j.LoggerFactory;
72 public abstract class BaseYangSwaggerGenerator {
74 private static final Logger LOG = LoggerFactory.getLogger(BaseYangSwaggerGenerator.class);
76 private static final String API_VERSION = "1.0.0";
77 private static final String SWAGGER_VERSION = "2.0";
78 private static final String OPEN_API_VERSION = "3.0.3";
79 private static final ObjectMapper MAPPER = new ObjectMapper();
80 private static final List<String> PRODUCES = List.of(MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON);
82 private final DefinitionGenerator jsonConverter = new DefinitionGenerator();
83 private final DOMSchemaService schemaService;
85 public static final String BASE_PATH = "/";
86 public static final String MODULE_NAME_SUFFIX = "_module";
88 private static final ObjectNode SWAGGER_BASIC_AUTH = JsonNodeFactory.instance.objectNode()
89 .put("type", "basic");
90 private static final ObjectNode OPEN_API_BASIC_AUTH = JsonNodeFactory.instance.objectNode()
92 .put("scheme", "basic");
93 private static final ArrayNode SECURITY = JsonNodeFactory.instance.arrayNode()
94 .add(JsonNodeFactory.instance.objectNode().set("basicAuth", JsonNodeFactory.instance.arrayNode()));
97 MAPPER.configure(SerializationFeature.INDENT_OUTPUT, true);
100 protected BaseYangSwaggerGenerator(final Optional<DOMSchemaService> schemaService) {
101 this.schemaService = schemaService.orElse(null);
104 public SwaggerObject getAllModulesDoc(final UriInfo uriInfo, final DefinitionNames definitionNames) {
105 final EffectiveModelContext schemaContext = schemaService.getGlobalContext();
106 Preconditions.checkState(schemaContext != null);
107 return getAllModulesDoc(uriInfo, Optional.empty(), schemaContext, Optional.empty(), "", definitionNames);
110 public SwaggerObject getAllModulesDoc(final UriInfo uriInfo, final Optional<Range<Integer>> range,
111 final EffectiveModelContext schemaContext, final Optional<String> deviceName, final String context,
112 final DefinitionNames definitionNames) {
113 final String schema = createSchemaFromUriInfo(uriInfo);
114 final String host = createHostFromUriInfo(uriInfo);
115 String name = "Controller";
116 if (deviceName.isPresent()) {
117 name = deviceName.orElseThrow();
120 final String title = name + " modules of RESTCONF";
121 final SwaggerObject doc = createSwaggerObject(schema, host, BASE_PATH, title);
122 doc.setDefinitions(JsonNodeFactory.instance.objectNode());
123 doc.setPaths(JsonNodeFactory.instance.objectNode());
125 fillDoc(doc, range, schemaContext, context, deviceName, definitionNames);
130 public void fillDoc(final SwaggerObject doc, final Optional<Range<Integer>> range,
131 final EffectiveModelContext schemaContext, final String context, final Optional<String> deviceName,
132 final DefinitionNames definitionNames) {
133 final SortedSet<Module> modules = getSortedModules(schemaContext);
134 final Set<Module> filteredModules;
135 if (range.isPresent()) {
136 filteredModules = filterByRange(modules, range.orElseThrow());
138 filteredModules = modules;
141 for (final Module module : filteredModules) {
142 final String revisionString = module.getQNameModule().getRevision().map(Revision::toString).orElse(null);
144 LOG.debug("Working on [{},{}]...", module.getName(), revisionString);
146 getSwaggerDocSpec(module, context, deviceName, schemaContext, definitionNames, doc, false);
150 private static Set<Module> filterByRange(final SortedSet<Module> modules, final Range<Integer> range) {
151 final int begin = range.lowerEndpoint();
152 final int end = range.upperEndpoint();
154 Module firstModule = null;
156 final Iterator<Module> iterator = modules.iterator();
158 while (iterator.hasNext() && counter < end) {
159 final Module module = iterator.next();
160 if (containsListOrContainer(module.getChildNodes()) || !module.getRpcs().isEmpty()) {
161 if (counter == begin) {
162 firstModule = module;
168 if (iterator.hasNext()) {
169 return modules.subSet(firstModule, iterator.next());
171 return modules.tailSet(firstModule);
175 public CommonApiObject getApiDeclaration(final String module, final String revision, final UriInfo uriInfo) {
176 final EffectiveModelContext schemaContext = schemaService.getGlobalContext();
177 Preconditions.checkState(schemaContext != null);
178 final SwaggerObject doc = getApiDeclaration(module, revision, uriInfo, schemaContext, "");
179 return convertToOpenApi(doc);
182 public SwaggerObject getApiDeclaration(final String moduleName, final String revision, final UriInfo uriInfo,
183 final EffectiveModelContext schemaContext, final String context) {
184 final Optional<Revision> rev;
187 rev = Revision.ofNullable(revision);
188 } catch (final DateTimeParseException e) {
189 throw new IllegalArgumentException(e);
192 final Module module = schemaContext.findModule(moduleName, rev).orElse(null);
193 Preconditions.checkArgument(module != null,
194 "Could not find module by name,revision: " + moduleName + "," + revision);
196 return getApiDeclaration(module, uriInfo, context, schemaContext);
199 public SwaggerObject getApiDeclaration(final Module module, final UriInfo uriInfo, final String context,
200 final EffectiveModelContext schemaContext) {
201 final String schema = createSchemaFromUriInfo(uriInfo);
202 final String host = createHostFromUriInfo(uriInfo);
204 return getSwaggerDocSpec(module, schema, host, BASE_PATH, context, schemaContext);
207 public String createHostFromUriInfo(final UriInfo uriInfo) {
208 String portPart = "";
209 final int port = uriInfo.getBaseUri().getPort();
211 portPart = ":" + port;
213 return uriInfo.getBaseUri().getHost() + portPart;
216 public String createSchemaFromUriInfo(final UriInfo uriInfo) {
217 return uriInfo.getBaseUri().getScheme();
220 public SwaggerObject getSwaggerDocSpec(final Module module, final String schema, final String host,
221 final String basePath, final String context, final EffectiveModelContext schemaContext) {
222 final SwaggerObject doc = createSwaggerObject(schema, host, basePath, module.getName());
223 final DefinitionNames definitionNames = new DefinitionNames();
224 return getSwaggerDocSpec(module, context, Optional.empty(), schemaContext, definitionNames, doc, true);
227 public SwaggerObject getSwaggerDocSpec(final Module module, final String context, final Optional<String> deviceName,
228 final EffectiveModelContext schemaContext, final DefinitionNames definitionNames, final SwaggerObject doc,
229 final boolean isForSingleModule) {
230 final ObjectNode definitions;
233 if (isForSingleModule) {
234 definitions = jsonConverter.convertToJsonSchema(module, schemaContext, definitionNames, true);
235 doc.setDefinitions(definitions);
237 definitions = jsonConverter.convertToJsonSchema(module, schemaContext, definitionNames, false);
238 addFields(doc.getDefinitions(), definitions.fields());
240 if (LOG.isDebugEnabled()) {
241 LOG.debug("Document: {}", MAPPER.writeValueAsString(doc));
243 } catch (final IOException e) {
244 LOG.error("Exception occured in DefinitionGenerator", e);
247 final ObjectNode paths = JsonNodeFactory.instance.objectNode();
248 final String moduleName = module.getName();
250 boolean hasAddRootPostLink = false;
252 final Collection<? extends DataSchemaNode> dataSchemaNodes = module.getChildNodes();
253 LOG.debug("child nodes size [{}]", dataSchemaNodes.size());
254 for (final DataSchemaNode node : dataSchemaNodes) {
255 if (node instanceof ListSchemaNode || node instanceof ContainerSchemaNode) {
256 LOG.debug("Is Configuration node [{}] [{}]", node.isConfiguration(), node.getQName().getLocalName());
258 final String localName = module.getName() + ":" + node.getQName().getLocalName();
259 ArrayNode pathParams = JsonNodeFactory.instance.arrayNode();
262 if (node.isConfiguration()) { // This node's config statement is
264 resourcePath = getResourcePath("config", context);
267 * When there are two or more top container or list nodes
268 * whose config statement is true in module, make sure that
269 * only one root post link is added for this module.
271 if (isForSingleModule && !hasAddRootPostLink) {
272 LOG.debug("Has added root post link for module {}", module.getName());
273 addRootPostLink(module, deviceName, pathParams, resourcePath, paths);
275 hasAddRootPostLink = true;
278 final String resolvedPath = resourcePath + "/" + createPath(node, pathParams, localName);
279 addPaths(node, deviceName, moduleName, paths, pathParams, schemaContext, true, module.getName(),
280 definitionNames, resolvedPath);
282 pathParams = JsonNodeFactory.instance.arrayNode();
283 resourcePath = getResourcePath("operational", context);
285 if (!node.isConfiguration()) {
286 final String resolvedPath = resourcePath + "/" + createPath(node, pathParams, localName);
287 addPaths(node, deviceName, moduleName, paths, pathParams, schemaContext, false, moduleName,
288 definitionNames, resolvedPath);
293 for (final RpcDefinition rpcDefinition : module.getRpcs()) {
294 final String resolvedPath = getResourcePath("operations", context) + "/" + moduleName + ":"
295 + rpcDefinition.getQName().getLocalName();
296 addOperations(rpcDefinition, moduleName, deviceName, paths, module.getName(), definitionNames,
300 LOG.debug("Number of Paths found [{}]", paths.size());
302 if (isForSingleModule) {
305 addFields(doc.getPaths(), paths.fields());
311 private static void addRootPostLink(final Module module, final Optional<String> deviceName,
312 final ArrayNode pathParams, final String resourcePath, final ObjectNode paths) {
313 if (containsListOrContainer(module.getChildNodes())) {
314 final ObjectNode post = JsonNodeFactory.instance.objectNode();
315 final String moduleName = module.getName();
316 final String name = moduleName + MODULE_NAME_SUFFIX;
317 post.set("post", buildPost("", name, "", moduleName, deviceName,
318 module.getDescription().orElse(""), pathParams));
319 paths.set(resourcePath, post);
323 public SwaggerObject createSwaggerObject(final String schema, final String host, final String basePath,
324 final String title) {
325 final SwaggerObject doc = new SwaggerObject();
326 doc.setSwagger(SWAGGER_VERSION);
327 final Info info = new Info();
328 info.setTitle(title);
329 info.setVersion(API_VERSION);
331 doc.setSchemes(ImmutableList.of(schema));
333 doc.setBasePath(basePath);
334 doc.setProduces(PRODUCES);
335 doc.setSecurityDefinitions(new SecurityDefinitions(SWAGGER_BASIC_AUTH));
336 doc.setSecurity(SECURITY);
340 public static OpenApiObject convertToOpenApi(final SwaggerObject swaggerObject) {
341 final OpenApiObject doc = new OpenApiObject();
342 doc.setOpenapi(OPEN_API_VERSION);
343 doc.setInfo(swaggerObject.getInfo());
344 doc.setServers(convertToServers(swaggerObject.getSchemes(), swaggerObject.getHost(),
345 swaggerObject.getBasePath()));
346 doc.setPaths(swaggerObject.getPaths());
347 doc.setComponents(new Components(swaggerObject.getDefinitions(), new SecuritySchemes(OPEN_API_BASIC_AUTH)));
348 doc.setSecurity(swaggerObject.getSecurity());
352 private static List<Server> convertToServers(final List<String> schemes, final String host, final String basePath) {
353 return ImmutableList.of(new Server(schemes.get(0) + "://" + host + basePath));
356 public abstract String getResourcePath(String resourceType, String context);
358 public abstract String getResourcePathPart(String resourceType);
360 private void addPaths(final DataSchemaNode node, final Optional<String> deviceName, final String moduleName,
361 final ObjectNode paths, final ArrayNode parentPathParams, final EffectiveModelContext schemaContext,
362 final boolean isConfig, final String parentName, final DefinitionNames definitionNames,
363 final String resourcePath) {
364 LOG.debug("Adding path: [{}]", resourcePath);
366 final ArrayNode pathParams = JsonUtil.copy(parentPathParams);
367 Iterable<? extends DataSchemaNode> childSchemaNodes = Collections.emptySet();
368 if (node instanceof ListSchemaNode || node instanceof ContainerSchemaNode) {
369 final DataNodeContainer dataNodeContainer = (DataNodeContainer) node;
370 childSchemaNodes = dataNodeContainer.getChildNodes();
373 final ObjectNode path = JsonNodeFactory.instance.objectNode();
374 path.setAll(operations(node, moduleName, deviceName, pathParams, isConfig, parentName, definitionNames));
375 paths.set(resourcePath, path);
377 if (node instanceof ActionNodeContainer) {
378 ((ActionNodeContainer) node).getActions().forEach(actionDef -> {
379 final String resolvedPath = "rests/operations" + resourcePath.substring(11)
380 + "/" + resolvePathArgumentsName(actionDef.getQName(), node.getQName(), schemaContext);
381 addOperations(actionDef, moduleName, deviceName, paths, parentName, definitionNames, resolvedPath);
385 for (final DataSchemaNode childNode : childSchemaNodes) {
386 if (childNode instanceof ListSchemaNode || childNode instanceof ContainerSchemaNode) {
387 final String newParent = parentName + "_" + node.getQName().getLocalName();
388 final String localName = resolvePathArgumentsName(childNode.getQName(), node.getQName(), schemaContext);
389 final String newResourcePath = resourcePath + "/" + createPath(childNode, pathParams, localName);
390 final boolean newIsConfig = isConfig && childNode.isConfiguration();
391 addPaths(childNode, deviceName, moduleName, paths, pathParams, schemaContext,
392 newIsConfig, newParent, definitionNames, newResourcePath);
397 private static boolean containsListOrContainer(final Iterable<? extends DataSchemaNode> nodes) {
398 for (final DataSchemaNode child : nodes) {
399 if (child instanceof ListSchemaNode || child instanceof ContainerSchemaNode) {
406 private static Map<String, ObjectNode> operations(final DataSchemaNode node, final String moduleName,
407 final Optional<String> deviceName, final ArrayNode pathParams, final boolean isConfig,
408 final String parentName, final DefinitionNames definitionNames) {
409 final Map<String, ObjectNode> operations = new HashMap<>();
410 final String discriminator = definitionNames.getDiscriminator(node);
412 final String nodeName = node.getQName().getLocalName();
414 final String defName = parentName + "_" + nodeName + TOP + discriminator;
415 final ObjectNode get = buildGet(node, moduleName, deviceName, pathParams, defName, isConfig);
416 operations.put("get", get);
420 final ObjectNode put = buildPut(parentName, nodeName, discriminator, moduleName, deviceName,
421 node.getDescription().orElse(""), pathParams);
422 operations.put("put", put);
424 final ObjectNode patch = buildPatch(parentName, nodeName, moduleName, deviceName,
425 node.getDescription().orElse(""), pathParams);
426 operations.put("patch", patch);
428 final ObjectNode delete = buildDelete(node, moduleName, deviceName, pathParams);
429 operations.put("delete", delete);
431 operations.put("post", buildPost(parentName, nodeName, discriminator, moduleName, deviceName,
432 node.getDescription().orElse(""), pathParams));
437 protected abstract ListPathBuilder newListPathBuilder();
439 private String createPath(final DataSchemaNode schemaNode, final ArrayNode pathParams, final String localName) {
440 final StringBuilder path = new StringBuilder();
441 path.append(localName);
443 if (schemaNode instanceof ListSchemaNode) {
444 final ListPathBuilder keyBuilder = newListPathBuilder();
445 for (final QName listKey : ((ListSchemaNode) schemaNode).getKeyDefinition()) {
446 final String paramName = createUniquePathParamName(listKey.getLocalName(), pathParams);
447 final String pathParamIdentifier = keyBuilder.nextParamIdentifier(paramName);
449 path.append(pathParamIdentifier);
451 final ObjectNode pathParam = JsonNodeFactory.instance.objectNode();
452 pathParam.put("name", paramName);
454 ((DataNodeContainer) schemaNode).findDataChildByName(listKey).flatMap(DataSchemaNode::getDescription)
455 .ifPresent(desc -> pathParam.put("description", desc));
457 final ObjectNode typeParent = getTypeParentNode(pathParam);
459 typeParent.put("type", "string");
460 pathParam.put("in", "path");
461 pathParam.put("required", true);
463 pathParams.add(pathParam);
466 return path.toString();
469 private String createUniquePathParamName(final String clearName, final ArrayNode pathParams) {
470 for (final JsonNode pathParam : pathParams) {
471 if (isNamePicked(clearName, pathParam)) {
472 return createUniquePathParamName(clearName, pathParams, 1);
478 private String createUniquePathParamName(final String clearName, final ArrayNode pathParams,
479 final int discriminator) {
480 final String newName = clearName + discriminator;
481 for (final JsonNode pathParam : pathParams) {
482 if (isNamePicked(newName, pathParam)) {
483 return createUniquePathParamName(clearName, pathParams, discriminator + 1);
489 private static boolean isNamePicked(final String name, final JsonNode pathParam) {
490 return name.equals(pathParam.get("name").asText());
493 public SortedSet<Module> getSortedModules(final EffectiveModelContext schemaContext) {
494 if (schemaContext == null) {
495 return Collections.emptySortedSet();
498 final SortedSet<Module> sortedModules = new TreeSet<>((module1, module2) -> {
499 int result = module1.getName().compareTo(module2.getName());
501 result = Revision.compare(module1.getRevision(), module2.getRevision());
504 result = module1.getNamespace().compareTo(module2.getNamespace());
508 for (final Module m : schemaContext.getModules()) {
510 sortedModules.add(m);
513 return sortedModules;
516 private static void addOperations(final OperationDefinition operDef, final String moduleName,
517 final Optional<String> deviceName, final ObjectNode paths, final String parentName,
518 final DefinitionNames definitionNames, final String resourcePath) {
519 final ObjectNode operations = JsonNodeFactory.instance.objectNode();
520 operations.set("post", buildPostOperation(operDef, moduleName, deviceName, parentName, definitionNames));
521 paths.set(resourcePath, operations);
524 protected abstract void appendPathKeyValue(StringBuilder builder, Object value);
526 public String generateUrlPrefixFromInstanceID(final YangInstanceIdentifier key, final String moduleName) {
527 final StringBuilder builder = new StringBuilder();
529 if (moduleName != null) {
530 builder.append(moduleName).append(':');
532 for (final PathArgument arg : key.getPathArguments()) {
533 final String name = arg.getNodeType().getLocalName();
534 if (arg instanceof NodeIdentifierWithPredicates nodeId) {
535 for (final Entry<QName, Object> entry : nodeId.entrySet()) {
536 appendPathKeyValue(builder, entry.getValue());
539 builder.append(name).append('/');
542 return builder.toString();
545 protected interface ListPathBuilder {
546 String nextParamIdentifier(String key);