[CHECKER] add version guard

app/src/main/java/org/astraea/app/checker/VersionGuard.java

@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.astraea.app.checker;
+
+import java.util.Collection;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import org.apache.kafka.clients.admin.Admin;
+import org.apache.kafka.common.Node;
+import org.astraea.common.metrics.AppInfo;
+import org.astraea.common.metrics.MBeanClient;
+import org.astraea.common.metrics.broker.ServerMetrics;
+
+public class VersionGuard implements Guard {
+  private static final Set<String> UNSUPPORTED_VERSIONS =
+      Set.of(
+          "0.7.0",
+          "0.7.1",
+          "0.7.2",
+          "0.8.0",
+          "0.8.1",
+          "0.8.1.1",
+          "0.8.2-beta",
+          "0.8.2.1",
+          "0.8.2.2",
+          "0.9.0.0",
+          "0.9.0.1",
+          "0.10.0.0",
+          "0.10.0.1",
+          "0.10.1.0",
+          "0.10.1.1",
+          "0.10.2.0",
+          "0.10.2.1",
+          "0.10.2.2",
+          "0.11.0.0",
+          "0.11.0.1",
+          "0.11.0.2",
+          "0.11.0.3",
+          "1.0.0",
+          "1.0.1",
+          "1.0.2",
+          "1.1.0",
+          "1.1.1",
+          "2.0.0",
+          "2.0.1");
+
+  @Override
+  public Collection<Report> run(
+      Admin admin, Function<Node, MBeanClient> clients, Changelog changelog) throws Exception {
+    return admin.describeCluster().nodes().get().stream()
+        .map(
+            node -> {
+              var vs =
+                  ServerMetrics.appInfo(clients.apply(node)).stream()
+                      .map(AppInfo::version)
+                      .filter(UNSUPPORTED_VERSIONS::contains)
+                      .collect(Collectors.toSet());
+              if (vs.isEmpty()) return Report.empty();
+              return Report.of(
+                  node, "kafka versions: " + vs + " are unsupported due to new baseline is 2.1.0");
+            })
+        .flatMap(Report::stream)
+        .toList();
+  }
+}