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From joshelser <...@git.apache.org>
Subject [GitHub] phoenix pull request #236: Loadbalancer
Date Tue, 04 Apr 2017 19:02:23 GMT
Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/phoenix/pull/236#discussion_r109749026
  
    --- Diff: phoenix-load-balancer/src/main/java/org/apache/phoenix/loadbalancer/service/LoadBalancerConfiguration.java
---
    @@ -0,0 +1,91 @@
    +/**
    + *
    + * 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.phoenix.loadbalancer.service;
    +
    +
    +
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.hbase.HBaseConfiguration;
    +import org.apache.zookeeper.ZooDefs;
    +import org.apache.zookeeper.data.ACL;
    +import org.apache.zookeeper.data.Id;
    +import java.util.Arrays;
    +import java.util.List;
    +
    +/**
    + * Basic Configuration specific to Load Balancer only.
    + * The instance of {@link LoadBalancerConfiguration} is
    + * used as singleton so that we do not instantiate the class
    + * many times.
    + */
    +public class LoadBalancerConfiguration {
    +
    +    public  final static String clusterName = "phoenix.queryserver.base.path";
    +    public  final static String serviceName = "phoenix.queryserver.service.name";
    +    public  final static String defaultClusterName = "phoenix";
    +    public  final static String defaultServiceName = "queryserver";
    +    public  static String zkQuorum = "hbase.zookeeper.quorum";
    +    public  static String zkPort = "hbase.zookeeper.property.clientPort";
    +    public  static String zkLbUserName = "phoenix.queryserver.zookeeper.acl.username";
    +    public  static String zkLbPassword = "phoenix.queryserver.zookeeper.acl.password";
    +    public  static String defaultZkLbUserName = "phoenixuser";
    +    public  static String defaultZkLbPassword = "Xsjdhxsd";
    +    private static final Configuration configuration = HBaseConfiguration.create();
    +
    +    public LoadBalancerConfiguration() {}
    +
    +    public String getQueryServerBasePath(){
    +        return "/"+configuration.get(clusterName, defaultClusterName);
    +    }
    +
    +    public String getServiceName(){
    +        return configuration.get(serviceName, defaultServiceName);
    +    }
    +
    +    public String getZkConnectString(){
    +        return String.format("%s:%s",configuration.get(zkQuorum,"localhost"),configuration.get(zkPort,"2183"));
    +    }
    +
    +    private String getZkLbUserName(){
    +        return configuration.get(zkLbUserName,defaultZkLbUserName);
    +    }
    +
    +    private String getZkLbPassword(){
    +        return configuration.get(zkLbPassword,defaultZkLbPassword);
    +    }
    +
    +    public List<ACL> getAcls() {
    +        ACL acl = new ACL();
    +        acl.setId(new Id("digest",getZkLbUserName()+":"+getZkLbPassword()));
    +        acl.setPerms(ZooDefs.Perms.READ);
    +        return Arrays.asList(acl);
    +    }
    +
    +    public String getParentPath() {
    +        String path = String.format("%s/%s",getQueryServerBasePath(),getServiceName());
    +        return path;
    +    }
    +
    +    public String getFullPathToNode(String host,String avaticaServerPort) {
    --- End diff --
    
    String args instead of PhoenixQueryServerNode?


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