optimize(api): disable GraphSpaceAPI and ManagerAPI in standalone mode

hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java

@@ -241,6 +241,13 @@ public static boolean checkAndParseAction(String action) {
         }
     }
 
+    public static void checkPdModeEnabled(GraphManager manager) {
+        if (!manager.usePD()) {
+            throw new HugeException(
+                    "GraphSpace management is not supported in standalone mode");
+        }
+    }
+
     public static boolean hasAdminPerm(GraphManager manager, String user) {
         return manager.authManager().isAdminManager(user);
     }

hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/ManagerAPI.java

@@ -65,6 +65,7 @@ public String createManager(@Context GraphManager manager,
                                 @PathParam("graphspace") String graphSpace,
                                 JsonManager jsonManager) {
         LOG.debug("Create manager: {}", jsonManager);
+        checkPdModeEnabled(manager);
         String user = jsonManager.user;
         HugePermission type = jsonManager.type;
         // graphSpace now comes from @PathParam instead of JsonManager
@@ -117,6 +118,7 @@ public void delete(@Context GraphManager manager,
                        @QueryParam("user") String user,
                        @QueryParam("type") HugePermission type) {
         LOG.debug("Delete graph manager: {} {} {}", user, type, graphSpace);
+        checkPdModeEnabled(manager);
         E.checkArgument(!"admin".equals(user) ||
                         type != HugePermission.ADMIN,
                         "User 'admin' can't be removed from ADMIN");
@@ -160,7 +162,7 @@ public String list(@Context GraphManager manager,
                        @PathParam("graphspace") String graphSpace,
                        @QueryParam("type") HugePermission type) {
         LOG.debug("list graph manager: {} {}", type, graphSpace);
-
+        checkPdModeEnabled(manager);
         AuthManager authManager = manager.authManager();
         validType(type);
         List<String> adminManagers;
@@ -190,7 +192,7 @@ public String checkRole(@Context GraphManager manager,
                             @PathParam("graphspace") String graphSpace,
                             @QueryParam("type") HugePermission type) {
         LOG.debug("check if current user is graph manager: {} {}", type, graphSpace);
-
+        checkPdModeEnabled(manager);
         validType(type);
         AuthManager authManager = manager.authManager();
         String user = HugeGraphAuthProxy.username();
@@ -222,6 +224,7 @@ public String getRolesInGs(@Context GraphManager manager,
                                @PathParam("graphspace") String graphSpace,
                                @QueryParam("user") String user) {
         LOG.debug("get user [{}]'s role in graph space [{}]", user, graphSpace);
+        checkPdModeEnabled(manager);
         AuthManager authManager = manager.authManager();
         List<HugePermission> result = new ArrayList<>();
         validGraphSpace(manager, graphSpace);

hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/api/space/GraphSpaceAPI.java

@@ -76,6 +76,7 @@ public class GraphSpaceAPI extends API {
     @Produces(APPLICATION_JSON_WITH_CHARSET)
     public Object list(@Context GraphManager manager,
                        @Context SecurityContext sc) {
+        checkPdModeEnabled(manager);
         Set<String> spaces = manager.graphSpaces();
         return ImmutableMap.of("graphSpaces", spaces);
     }
@@ -86,6 +87,7 @@ public Object list(@Context GraphManager manager,
     @Produces(APPLICATION_JSON_WITH_CHARSET)
     public Object get(@Context GraphManager manager,
                       @PathParam("graphspace") String graphSpace) {
+        checkPdModeEnabled(manager);
         manager.getSpaceStorage(graphSpace);
         GraphSpace gs = space(manager, graphSpace);
 
@@ -106,6 +108,7 @@ public Object get(@Context GraphManager manager,
     public Object listProfile(@Context GraphManager manager,
                               @QueryParam("prefix") String prefix,
                               @Context SecurityContext sc) {
+        checkPdModeEnabled(manager);
         Set<String> spaces = manager.graphSpaces();
         List<Map<String, Object>> spaceList = new ArrayList<>();
         List<Map<String, Object>> result = new ArrayList<>();
@@ -155,7 +158,7 @@ public Object listProfile(@Context GraphManager manager,
     @RolesAllowed({"admin"})
     public String create(@Context GraphManager manager,
                          JsonGraphSpace jsonGraphSpace) {
-
+        checkPdModeEnabled(manager);
         jsonGraphSpace.checkCreate(false);
 
         String creator = HugeGraphAuthProxy.username();
@@ -186,7 +189,7 @@ public boolean isPrefix(Map<String, Object> profile, String prefix) {
     public Map<String, Object> manage(@Context GraphManager manager,
                                       @PathParam("name") String name,
                                       Map<String, Object> actionMap) {
-
+        checkPdModeEnabled(manager);
         E.checkArgument(actionMap != null && actionMap.size() == 2 &&
                         actionMap.containsKey(GRAPH_SPACE_ACTION),
                         "Invalid request body '%s'", actionMap);
@@ -315,6 +318,7 @@ public Map<String, Object> manage(@Context GraphManager manager,
     @RolesAllowed({"admin"})
     public void delete(@Context GraphManager manager,
                        @PathParam("name") String name) {
+        checkPdModeEnabled(manager);
         manager.dropGraphSpace(name);
     }
 

hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/core/GraphManager.java

@@ -276,7 +276,7 @@ private static String serviceId(String graphSpace, Service.ServiceType type,
                      .replace("_", "-").toLowerCase();
     }
 
-    private boolean usePD() {
+    public boolean usePD() {
         return this.PDExist;
     }
 

hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/api/ApiTestSuite.java

@@ -42,6 +42,8 @@
         CypherApiTest.class,
         ArthasApiTest.class,
         GraphSpaceApiTest.class,
+        GraphSpaceApiStandaloneTest.class,
+        ManagerApiStandaloneTest.class,
 })
 public class ApiTestSuite {