http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b618ac40/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.html index ce8c56c..1ebcb9e 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.html @@ -29,535 +29,532 @@ <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> <span class="sourceLineNo">023</span>import java.util.Collection;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.Set;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.util.TreeMap;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.concurrent.ConcurrentMap;<a name="line.30"></a> -<span class="sourceLineNo">031</span><a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Abortable;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.CompoundConfiguration;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.zookeeper.KeeperException;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.slf4j.Logger;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.slf4j.LoggerFactory;<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span>/**<a name="line.53"></a> -<span class="sourceLineNo">054</span> * This class provides an implementation of the ReplicationPeers interface using ZooKeeper. The<a name="line.54"></a> -<span class="sourceLineNo">055</span> * peers znode contains a list of all peer replication clusters and the current replication state of<a name="line.55"></a> -<span class="sourceLineNo">056</span> * those clusters. It has one child peer znode for each peer cluster. The peer znode is named with<a name="line.56"></a> -<span class="sourceLineNo">057</span> * the cluster id provided by the user in the HBase shell. The value of the peer znode contains the<a name="line.57"></a> -<span class="sourceLineNo">058</span> * peers cluster key provided by the user in the HBase Shell. The cluster key contains a list of<a name="line.58"></a> -<span class="sourceLineNo">059</span> * zookeeper quorum peers, the client port for the zookeeper quorum, and the base znode for HBase.<a name="line.59"></a> -<span class="sourceLineNo">060</span> * For example:<a name="line.60"></a> -<span class="sourceLineNo">061</span> *<a name="line.61"></a> -<span class="sourceLineNo">062</span> * /hbase/replication/peers/1 [Value: zk1.host.com,zk2.host.com,zk3.host.com:2181:/hbase]<a name="line.62"></a> -<span class="sourceLineNo">063</span> * /hbase/replication/peers/2 [Value: zk5.host.com,zk6.host.com,zk7.host.com:2181:/hbase]<a name="line.63"></a> -<span class="sourceLineNo">064</span> *<a name="line.64"></a> -<span class="sourceLineNo">065</span> * Each of these peer znodes has a child znode that indicates whether or not replication is enabled<a name="line.65"></a> -<span class="sourceLineNo">066</span> * on that peer cluster. These peer-state znodes do not have child znodes and simply contain a<a name="line.66"></a> -<span class="sourceLineNo">067</span> * boolean value (i.e. ENABLED or DISABLED). This value is read/maintained by the<a name="line.67"></a> -<span class="sourceLineNo">068</span> * ReplicationPeer.PeerStateTracker class. For example:<a name="line.68"></a> +<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.Set;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.TreeMap;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentMap;<a name="line.29"></a> +<span class="sourceLineNo">030</span><a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Abortable;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CompoundConfiguration;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.TableName;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.zookeeper.KeeperException;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.slf4j.Logger;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.slf4j.LoggerFactory;<a name="line.49"></a> +<span class="sourceLineNo">050</span><a name="line.50"></a> +<span class="sourceLineNo">051</span>/**<a name="line.51"></a> +<span class="sourceLineNo">052</span> * This class provides an implementation of the ReplicationPeers interface using ZooKeeper. The<a name="line.52"></a> +<span class="sourceLineNo">053</span> * peers znode contains a list of all peer replication clusters and the current replication state of<a name="line.53"></a> +<span class="sourceLineNo">054</span> * those clusters. It has one child peer znode for each peer cluster. The peer znode is named with<a name="line.54"></a> +<span class="sourceLineNo">055</span> * the cluster id provided by the user in the HBase shell. The value of the peer znode contains the<a name="line.55"></a> +<span class="sourceLineNo">056</span> * peers cluster key provided by the user in the HBase Shell. The cluster key contains a list of<a name="line.56"></a> +<span class="sourceLineNo">057</span> * zookeeper quorum peers, the client port for the zookeeper quorum, and the base znode for HBase.<a name="line.57"></a> +<span class="sourceLineNo">058</span> * For example:<a name="line.58"></a> +<span class="sourceLineNo">059</span> *<a name="line.59"></a> +<span class="sourceLineNo">060</span> * /hbase/replication/peers/1 [Value: zk1.host.com,zk2.host.com,zk3.host.com:2181:/hbase]<a name="line.60"></a> +<span class="sourceLineNo">061</span> * /hbase/replication/peers/2 [Value: zk5.host.com,zk6.host.com,zk7.host.com:2181:/hbase]<a name="line.61"></a> +<span class="sourceLineNo">062</span> *<a name="line.62"></a> +<span class="sourceLineNo">063</span> * Each of these peer znodes has a child znode that indicates whether or not replication is enabled<a name="line.63"></a> +<span class="sourceLineNo">064</span> * on that peer cluster. These peer-state znodes do not have child znodes and simply contain a<a name="line.64"></a> +<span class="sourceLineNo">065</span> * boolean value (i.e. ENABLED or DISABLED). This value is read/maintained by the<a name="line.65"></a> +<span class="sourceLineNo">066</span> * ReplicationPeer.PeerStateTracker class. For example:<a name="line.66"></a> +<span class="sourceLineNo">067</span> *<a name="line.67"></a> +<span class="sourceLineNo">068</span> * /hbase/replication/peers/1/peer-state [Value: ENABLED]<a name="line.68"></a> <span class="sourceLineNo">069</span> *<a name="line.69"></a> -<span class="sourceLineNo">070</span> * /hbase/replication/peers/1/peer-state [Value: ENABLED]<a name="line.70"></a> -<span class="sourceLineNo">071</span> *<a name="line.71"></a> -<span class="sourceLineNo">072</span> * Each of these peer znodes has a child znode that indicates which data will be replicated<a name="line.72"></a> -<span class="sourceLineNo">073</span> * to the peer cluster. These peer-tableCFs znodes do not have child znodes and only have a<a name="line.73"></a> -<span class="sourceLineNo">074</span> * table/cf list config. This value is read/maintained by the ReplicationPeer.TableCFsTracker<a name="line.74"></a> -<span class="sourceLineNo">075</span> * class. For example:<a name="line.75"></a> -<span class="sourceLineNo">076</span> *<a name="line.76"></a> -<span class="sourceLineNo">077</span> * /hbase/replication/peers/1/tableCFs [Value: "table1; table2:cf1,cf3; table3:cfx,cfy"]<a name="line.77"></a> -<span class="sourceLineNo">078</span> */<a name="line.78"></a> -<span class="sourceLineNo">079</span>@InterfaceAudience.Private<a name="line.79"></a> -<span class="sourceLineNo">080</span>public class ReplicationPeersZKImpl extends ReplicationStateZKBase implements ReplicationPeers {<a name="line.80"></a> -<span class="sourceLineNo">081</span><a name="line.81"></a> -<span class="sourceLineNo">082</span> // Map of peer clusters keyed by their id<a name="line.82"></a> -<span class="sourceLineNo">083</span> private Map<String, ReplicationPeerZKImpl> peerClusters;<a name="line.83"></a> -<span class="sourceLineNo">084</span> private final ReplicationQueuesClient queuesClient;<a name="line.84"></a> -<span class="sourceLineNo">085</span> private Abortable abortable;<a name="line.85"></a> +<span class="sourceLineNo">070</span> * Each of these peer znodes has a child znode that indicates which data will be replicated<a name="line.70"></a> +<span class="sourceLineNo">071</span> * to the peer cluster. These peer-tableCFs znodes do not have child znodes and only have a<a name="line.71"></a> +<span class="sourceLineNo">072</span> * table/cf list config. This value is read/maintained by the ReplicationPeer.TableCFsTracker<a name="line.72"></a> +<span class="sourceLineNo">073</span> * class. For example:<a name="line.73"></a> +<span class="sourceLineNo">074</span> *<a name="line.74"></a> +<span class="sourceLineNo">075</span> * /hbase/replication/peers/1/tableCFs [Value: "table1; table2:cf1,cf3; table3:cfx,cfy"]<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span>@InterfaceAudience.Private<a name="line.77"></a> +<span class="sourceLineNo">078</span>public class ReplicationPeersZKImpl extends ReplicationStateZKBase implements ReplicationPeers {<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> // Map of peer clusters keyed by their id<a name="line.80"></a> +<span class="sourceLineNo">081</span> private Map<String, ReplicationPeerZKImpl> peerClusters;<a name="line.81"></a> +<span class="sourceLineNo">082</span> private final ReplicationQueuesClient queuesClient;<a name="line.82"></a> +<span class="sourceLineNo">083</span> private Abortable abortable;<a name="line.83"></a> +<span class="sourceLineNo">084</span><a name="line.84"></a> +<span class="sourceLineNo">085</span> private static final Logger LOG = LoggerFactory.getLogger(ReplicationPeersZKImpl.class);<a name="line.85"></a> <span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> private static final Logger LOG = LoggerFactory.getLogger(ReplicationPeersZKImpl.class);<a name="line.87"></a> -<span class="sourceLineNo">088</span><a name="line.88"></a> -<span class="sourceLineNo">089</span> public ReplicationPeersZKImpl(final ZKWatcher zk, final Configuration conf,<a name="line.89"></a> -<span class="sourceLineNo">090</span> final ReplicationQueuesClient queuesClient, Abortable abortable) {<a name="line.90"></a> -<span class="sourceLineNo">091</span> super(zk, conf, abortable);<a name="line.91"></a> -<span class="sourceLineNo">092</span> this.abortable = abortable;<a name="line.92"></a> -<span class="sourceLineNo">093</span> this.peerClusters = new ConcurrentHashMap<>();<a name="line.93"></a> -<span class="sourceLineNo">094</span> this.queuesClient = queuesClient;<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> @Override<a name="line.97"></a> -<span class="sourceLineNo">098</span> public void init() throws ReplicationException {<a name="line.98"></a> -<span class="sourceLineNo">099</span> try {<a name="line.99"></a> -<span class="sourceLineNo">100</span> if (ZKUtil.checkExists(this.zookeeper, this.peersZNode) < 0) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> ZKUtil.createWithParents(this.zookeeper, this.peersZNode);<a name="line.101"></a> -<span class="sourceLineNo">102</span> }<a name="line.102"></a> -<span class="sourceLineNo">103</span> } catch (KeeperException e) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> throw new ReplicationException("Could not initialize replication peers", e);<a name="line.104"></a> -<span class="sourceLineNo">105</span> }<a name="line.105"></a> -<span class="sourceLineNo">106</span> addExistingPeers();<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span><a name="line.108"></a> -<span class="sourceLineNo">109</span> @Override<a name="line.109"></a> -<span class="sourceLineNo">110</span> public void registerPeer(String id, ReplicationPeerConfig peerConfig, boolean enabled)<a name="line.110"></a> -<span class="sourceLineNo">111</span> throws ReplicationException {<a name="line.111"></a> -<span class="sourceLineNo">112</span> try {<a name="line.112"></a> -<span class="sourceLineNo">113</span> if (peerExists(id)) {<a name="line.113"></a> -<span class="sourceLineNo">114</span> throw new IllegalArgumentException("Cannot add a peer with id=" + id<a name="line.114"></a> -<span class="sourceLineNo">115</span> + " because that id already exists.");<a name="line.115"></a> -<span class="sourceLineNo">116</span> }<a name="line.116"></a> -<span class="sourceLineNo">117</span><a name="line.117"></a> -<span class="sourceLineNo">118</span> if(id.contains("-")){<a name="line.118"></a> -<span class="sourceLineNo">119</span> throw new IllegalArgumentException("Found invalid peer name:" + id);<a name="line.119"></a> -<span class="sourceLineNo">120</span> }<a name="line.120"></a> -<span class="sourceLineNo">121</span><a name="line.121"></a> -<span class="sourceLineNo">122</span> if (peerConfig.getClusterKey() != null) {<a name="line.122"></a> -<span class="sourceLineNo">123</span> try {<a name="line.123"></a> -<span class="sourceLineNo">124</span> ZKConfig.validateClusterKey(peerConfig.getClusterKey());<a name="line.124"></a> -<span class="sourceLineNo">125</span> } catch (IOException ioe) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> throw new IllegalArgumentException(ioe.getMessage());<a name="line.126"></a> -<span class="sourceLineNo">127</span> }<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">087</span> public ReplicationPeersZKImpl(final ZKWatcher zk, final Configuration conf,<a name="line.87"></a> +<span class="sourceLineNo">088</span> final ReplicationQueuesClient queuesClient, Abortable abortable) {<a name="line.88"></a> +<span class="sourceLineNo">089</span> super(zk, conf, abortable);<a name="line.89"></a> +<span class="sourceLineNo">090</span> this.abortable = abortable;<a name="line.90"></a> +<span class="sourceLineNo">091</span> this.peerClusters = new ConcurrentHashMap<>();<a name="line.91"></a> +<span class="sourceLineNo">092</span> this.queuesClient = queuesClient;<a name="line.92"></a> +<span class="sourceLineNo">093</span> }<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> @Override<a name="line.95"></a> +<span class="sourceLineNo">096</span> public void init() throws ReplicationException {<a name="line.96"></a> +<span class="sourceLineNo">097</span> try {<a name="line.97"></a> +<span class="sourceLineNo">098</span> if (ZKUtil.checkExists(this.zookeeper, this.peersZNode) < 0) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> ZKUtil.createWithParents(this.zookeeper, this.peersZNode);<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span> } catch (KeeperException e) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> throw new ReplicationException("Could not initialize replication peers", e);<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> addExistingPeers();<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> @Override<a name="line.107"></a> +<span class="sourceLineNo">108</span> public void registerPeer(String id, ReplicationPeerConfig peerConfig, boolean enabled)<a name="line.108"></a> +<span class="sourceLineNo">109</span> throws ReplicationException {<a name="line.109"></a> +<span class="sourceLineNo">110</span> try {<a name="line.110"></a> +<span class="sourceLineNo">111</span> if (peerExists(id)) {<a name="line.111"></a> +<span class="sourceLineNo">112</span> throw new IllegalArgumentException("Cannot add a peer with id=" + id<a name="line.112"></a> +<span class="sourceLineNo">113</span> + " because that id already exists.");<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> if(id.contains("-")){<a name="line.116"></a> +<span class="sourceLineNo">117</span> throw new IllegalArgumentException("Found invalid peer name:" + id);<a name="line.117"></a> +<span class="sourceLineNo">118</span> }<a name="line.118"></a> +<span class="sourceLineNo">119</span><a name="line.119"></a> +<span class="sourceLineNo">120</span> if (peerConfig.getClusterKey() != null) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> try {<a name="line.121"></a> +<span class="sourceLineNo">122</span> ZKConfig.validateClusterKey(peerConfig.getClusterKey());<a name="line.122"></a> +<span class="sourceLineNo">123</span> } catch (IOException ioe) {<a name="line.123"></a> +<span class="sourceLineNo">124</span> throw new IllegalArgumentException(ioe.getMessage());<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> checkQueuesDeleted(id);<a name="line.128"></a> <span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> checkQueuesDeleted(id);<a name="line.130"></a> +<span class="sourceLineNo">130</span> ZKUtil.createWithParents(this.zookeeper, this.peersZNode);<a name="line.130"></a> <span class="sourceLineNo">131</span><a name="line.131"></a> -<span class="sourceLineNo">132</span> ZKUtil.createWithParents(this.zookeeper, this.peersZNode);<a name="line.132"></a> -<span class="sourceLineNo">133</span><a name="line.133"></a> -<span class="sourceLineNo">134</span> List<ZKUtilOp> listOfOps = new ArrayList<>(2);<a name="line.134"></a> -<span class="sourceLineNo">135</span> ZKUtilOp op1 =<a name="line.135"></a> -<span class="sourceLineNo">136</span> ZKUtilOp.createAndFailSilent(getPeerNode(id),<a name="line.136"></a> -<span class="sourceLineNo">137</span> ReplicationPeerConfigUtil.toByteArray(peerConfig));<a name="line.137"></a> -<span class="sourceLineNo">138</span> ZKUtilOp op2 =<a name="line.138"></a> -<span 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class="sourceLineNo">265</span> this.abortable.abort("Cannot get the list of peers ", e);<a name="line.265"></a> -<span class="sourceLineNo">266</span> } catch (ReplicationException e) {<a name="line.266"></a> -<span class="sourceLineNo">267</span> this.abortable.abort("Cannot get the list of peers ", e);<a name="line.267"></a> -<span class="sourceLineNo">268</span> }<a name="line.268"></a> -<span class="sourceLineNo">269</span> return peers;<a name="line.269"></a> -<span class="sourceLineNo">270</span> }<a name="line.270"></a> -<span class="sourceLineNo">271</span><a name="line.271"></a> -<span class="sourceLineNo">272</span> @Override<a name="line.272"></a> -<span class="sourceLineNo">273</span> public ReplicationPeer getConnectedPeer(String peerId) {<a name="line.273"></a> -<span class="sourceLineNo">274</span> return peerClusters.get(peerId);<a name="line.274"></a> -<span class="sourceLineNo">275</span> }<a name="line.275"></a> -<span class="sourceLineNo">276</span><a 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getPeerNode(peerId);<a name="line.286"></a> +<span class="sourceLineNo">287</span> byte[] data = null;<a name="line.287"></a> +<span class="sourceLineNo">288</span> try {<a name="line.288"></a> +<span class="sourceLineNo">289</span> data = ZKUtil.getData(this.zookeeper, znode);<a name="line.289"></a> +<span class="sourceLineNo">290</span> } catch (InterruptedException e) {<a name="line.290"></a> +<span class="sourceLineNo">291</span> LOG.warn("Could not get configuration for peer because the thread " +<a name="line.291"></a> +<span class="sourceLineNo">292</span> "was interrupted. peerId=" + peerId);<a name="line.292"></a> +<span class="sourceLineNo">293</span> Thread.currentThread().interrupt();<a name="line.293"></a> +<span class="sourceLineNo">294</span> return null;<a name="line.294"></a> +<span class="sourceLineNo">295</span> } catch (KeeperException e) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> throw new ReplicationException("Error getting configuration for peer with id="<a name="line.296"></a> +<span class="sourceLineNo">297</span> + peerId, e);<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span> if (data == null) {<a name="line.299"></a> +<span class="sourceLineNo">300</span> LOG.error("Could not get configuration for peer because it doesn't exist. peerId=" + peerId);<a name="line.300"></a> +<span class="sourceLineNo">301</span> return null;<a name="line.301"></a> +<span class="sourceLineNo">302</span> }<a name="line.302"></a> +<span class="sourceLineNo">303</span><a name="line.303"></a> +<span class="sourceLineNo">304</span> try {<a name="line.304"></a> +<span class="sourceLineNo">305</span> return ReplicationPeerConfigUtil.parsePeerFrom(data);<a name="line.305"></a> +<span class="sourceLineNo">306</span> } catch (DeserializationException e) {<a name="line.306"></a> +<span class="sourceLineNo">307</span> LOG.warn("Failed to parse cluster key from peerId=" + 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updatePeerConfig(String id, ReplicationPeerConfig newConfig)<a name="line.341"></a> +<span class="sourceLineNo">342</span> throws ReplicationException {<a name="line.342"></a> +<span class="sourceLineNo">343</span> ReplicationPeer peer = getConnectedPeer(id);<a name="line.343"></a> +<span class="sourceLineNo">344</span> if (peer == null){<a name="line.344"></a> +<span class="sourceLineNo">345</span> throw new ReplicationException("Could not find peer Id " + id + " in connected peers");<a name="line.345"></a> +<span class="sourceLineNo">346</span> }<a name="line.346"></a> +<span class="sourceLineNo">347</span> ReplicationPeerConfig existingConfig = peer.getPeerConfig();<a name="line.347"></a> +<span class="sourceLineNo">348</span> if (newConfig.getClusterKey() != null && !newConfig.getClusterKey().isEmpty() &&<a name="line.348"></a> +<span class="sourceLineNo">349</span> !newConfig.getClusterKey().equals(existingConfig.getClusterKey())){<a name="line.349"></a> +<span class="sourceLineNo">350</span> throw new ReplicationException("Changing the cluster key on an existing peer is not allowed."<a name="line.350"></a> +<span class="sourceLineNo">351</span> + " Existing key '" + existingConfig.getClusterKey() + "' does not match new key '"<a name="line.351"></a> +<span class="sourceLineNo">352</span> + newConfig.getClusterKey() +<a name="line.352"></a> +<span class="sourceLineNo">353</span> "'");<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span> String existingEndpointImpl = existingConfig.getReplicationEndpointImpl();<a name="line.355"></a> +<span class="sourceLineNo">356</span> if (newConfig.getReplicationEndpointImpl() != null &&<a name="line.356"></a> +<span class="sourceLineNo">357</span> !newConfig.getReplicationEndpointImpl().isEmpty() &&<a name="line.357"></a> +<span class="sourceLineNo">358</span> !newConfig.getReplicationEndpointImpl().equals(existingEndpointImpl)){<a name="line.358"></a> +<span class="sourceLineNo">359</span> throw new ReplicationException("Changing the replication endpoint implementation class " +<a name="line.359"></a> +<span class="sourceLineNo">360</span> "on an existing peer is not allowed. 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<TRUNCATED>
