jerrypeng commented on a change in pull request #5400: [functions] Allow 
functions to pass runtime specific options
URL: https://github.com/apache/pulsar/pull/5400#discussion_r344415812
 
 

 ##########
 File path: 
pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/BasicKubernetesManifestCustomizer.java
 ##########
 @@ -0,0 +1,107 @@
+/**
+ * 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.apache.pulsar.functions.runtime;
+
+import io.kubernetes.client.models.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import com.google.gson.Gson;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.pulsar.functions.proto.Function;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * An implementation of the {@link KubernetesManifestCustomizer} that allows
+ * for some basic customization of namespace, labels, annotations, node 
selectors,
+ * and tolerations.
+ *
+ * With the right RBAC permissions for the functions worker, these should be 
safe to
+ * modify (for example, a service account must have permissions in the 
specified jobNamespace)
+ *
+ */
+public class BasicKubernetesManifestCustomizer implements 
KubernetesManifestCustomizer {
+
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    static private class RuntimeOpts {
+        private String jobNamespace;
+        private Map<String, String> extraLabels;
+        private Map<String, String> extraAnnotations;
+        private Map<String, String> nodeSelectorLabels;
+        private List<V1Toleration> tolerations;
+    }
+
+    private RuntimeOpts opts;
+
+    @Override
+    public void init(Function.FunctionDetails funcDetails, String 
staticConfig) {
 
 Review comment:
   staticConfig is not used?

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