http://git-wip-us.apache.org/repos/asf/hbase-site/blob/87832ef6/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.html index 7694e18..1a68846 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ReplicationPeerManager.html @@ -36,472 +36,501 @@ <span class="sourceLineNo">028</span>import java.util.Set;<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>import java.util.regex.Pattern;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.stream.Collectors;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.commons.lang3.StringUtils;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ServerName;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.TableName;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.replication.BaseReplicationEndpoint;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfigBuilder;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.replication.ReplicationPeerDescription;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.replication.ReplicationPeerStorage;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.replication.ReplicationQueueInfo;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.replication.ReplicationStorageFactory;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.replication.SyncReplicationState;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a> -<span class="sourceLineNo">053</span><a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span>/**<a name="line.57"></a> -<span class="sourceLineNo">058</span> * Manages and performs all replication admin operations.<a name="line.58"></a> -<span class="sourceLineNo">059</span> * <p><a name="line.59"></a> -<span class="sourceLineNo">060</span> * Used to add/remove a replication peer.<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span>@InterfaceAudience.Private<a name="line.62"></a> -<span class="sourceLineNo">063</span>public class ReplicationPeerManager {<a name="line.63"></a> -<span class="sourceLineNo">064</span><a name="line.64"></a> -<span class="sourceLineNo">065</span> private final ReplicationPeerStorage peerStorage;<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> private final ReplicationQueueStorage queueStorage;<a name="line.67"></a> -<span class="sourceLineNo">068</span><a name="line.68"></a> -<span class="sourceLineNo">069</span> private final ConcurrentMap<String, ReplicationPeerDescription> peers;<a name="line.69"></a> -<span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> private final ImmutableMap<SyncReplicationState, EnumSet<SyncReplicationState>><a name="line.71"></a> -<span class="sourceLineNo">072</span> allowedTransition = Maps.immutableEnumMap(ImmutableMap.of(SyncReplicationState.ACTIVE,<a name="line.72"></a> -<span class="sourceLineNo">073</span> EnumSet.of(SyncReplicationState.DOWNGRADE_ACTIVE, SyncReplicationState.STANDBY),<a name="line.73"></a> -<span class="sourceLineNo">074</span> SyncReplicationState.STANDBY, EnumSet.of(SyncReplicationState.DOWNGRADE_ACTIVE),<a name="line.74"></a> -<span class="sourceLineNo">075</span> SyncReplicationState.DOWNGRADE_ACTIVE,<a name="line.75"></a> -<span class="sourceLineNo">076</span> EnumSet.of(SyncReplicationState.STANDBY, SyncReplicationState.ACTIVE)));<a name="line.76"></a> -<span class="sourceLineNo">077</span><a name="line.77"></a> -<span class="sourceLineNo">078</span> ReplicationPeerManager(ReplicationPeerStorage peerStorage, ReplicationQueueStorage queueStorage,<a name="line.78"></a> -<span class="sourceLineNo">079</span> ConcurrentMap<String, ReplicationPeerDescription> peers) {<a name="line.79"></a> -<span class="sourceLineNo">080</span> this.peerStorage = peerStorage;<a name="line.80"></a> -<span class="sourceLineNo">081</span> this.queueStorage = queueStorage;<a name="line.81"></a> -<span class="sourceLineNo">082</span> this.peers = peers;<a name="line.82"></a> -<span class="sourceLineNo">083</span> }<a name="line.83"></a> -<span class="sourceLineNo">084</span><a name="line.84"></a> -<span class="sourceLineNo">085</span> private void checkQueuesDeleted(String peerId)<a name="line.85"></a> -<span class="sourceLineNo">086</span> throws ReplicationException, DoNotRetryIOException {<a name="line.86"></a> -<span class="sourceLineNo">087</span> for (ServerName replicator : queueStorage.getListOfReplicators()) {<a name="line.87"></a> -<span class="sourceLineNo">088</span> List<String> queueIds = queueStorage.getAllQueues(replicator);<a name="line.88"></a> -<span class="sourceLineNo">089</span> for (String queueId : queueIds) {<a name="line.89"></a> -<span class="sourceLineNo">090</span> ReplicationQueueInfo queueInfo = new ReplicationQueueInfo(queueId);<a name="line.90"></a> -<span class="sourceLineNo">091</span> if (queueInfo.getPeerId().equals(peerId)) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> throw new DoNotRetryIOException("undeleted queue for peerId: " + peerId +<a name="line.92"></a> -<span class="sourceLineNo">093</span> ", replicator: " + replicator + ", queueId: " + queueId);<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<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> if (queueStorage.getAllPeersFromHFileRefsQueue().contains(peerId)) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> throw new DoNotRetryIOException("Undeleted queue for peer " + peerId + " in hfile-refs");<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span> }<a name="line.100"></a> -<span class="sourceLineNo">101</span><a name="line.101"></a> -<span class="sourceLineNo">102</span> void preAddPeer(String peerId, ReplicationPeerConfig peerConfig)<a name="line.102"></a> -<span class="sourceLineNo">103</span> throws DoNotRetryIOException, ReplicationException {<a name="line.103"></a> -<span class="sourceLineNo">104</span> if (peerId.contains("-")) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> throw new DoNotRetryIOException("Found invalid peer name: " + peerId);<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> checkPeerConfig(peerConfig);<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (peers.containsKey(peerId)) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> throw new DoNotRetryIOException("Replication peer " + peerId + " already exists");<a name="line.109"></a> +<span class="sourceLineNo">031</span>import java.util.concurrent.Semaphore;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.regex.Pattern;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.stream.Collectors;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.commons.lang3.StringUtils;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.Path;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ServerName;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.TableName;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.replication.BaseReplicationEndpoint;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfigBuilder;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.replication.ReplicationPeerDescription;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.replication.ReplicationPeerStorage;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.replication.ReplicationQueueInfo;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.replication.ReplicationStorageFactory;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.replication.SyncReplicationState;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span>/**<a name="line.58"></a> +<span class="sourceLineNo">059</span> * Manages and performs all replication admin operations.<a name="line.59"></a> +<span class="sourceLineNo">060</span> * <p><a name="line.60"></a> +<span class="sourceLineNo">061</span> * Used to add/remove a replication peer.<a name="line.61"></a> +<span class="sourceLineNo">062</span> */<a name="line.62"></a> +<span class="sourceLineNo">063</span>@InterfaceAudience.Private<a name="line.63"></a> +<span class="sourceLineNo">064</span>public class ReplicationPeerManager {<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> private final ReplicationPeerStorage peerStorage;<a name="line.66"></a> +<span class="sourceLineNo">067</span><a name="line.67"></a> +<span class="sourceLineNo">068</span> private final ReplicationQueueStorage queueStorage;<a name="line.68"></a> +<span class="sourceLineNo">069</span><a name="line.69"></a> +<span class="sourceLineNo">070</span> private final ConcurrentMap<String, ReplicationPeerDescription> peers;<a name="line.70"></a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span> private final ImmutableMap<SyncReplicationState, EnumSet<SyncReplicationState>><a name="line.72"></a> +<span class="sourceLineNo">073</span> allowedTransition = Maps.immutableEnumMap(ImmutableMap.of(SyncReplicationState.ACTIVE,<a name="line.73"></a> +<span class="sourceLineNo">074</span> EnumSet.of(SyncReplicationState.DOWNGRADE_ACTIVE, SyncReplicationState.STANDBY),<a name="line.74"></a> +<span class="sourceLineNo">075</span> SyncReplicationState.STANDBY, EnumSet.of(SyncReplicationState.DOWNGRADE_ACTIVE),<a name="line.75"></a> +<span class="sourceLineNo">076</span> SyncReplicationState.DOWNGRADE_ACTIVE,<a name="line.76"></a> +<span class="sourceLineNo">077</span> EnumSet.of(SyncReplicationState.STANDBY, SyncReplicationState.ACTIVE)));<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> // Only allow to add one sync replication peer concurrently<a name="line.79"></a> +<span class="sourceLineNo">080</span> private final Semaphore syncReplicationPeerLock = new Semaphore(1);<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> ReplicationPeerManager(ReplicationPeerStorage peerStorage, ReplicationQueueStorage queueStorage,<a name="line.82"></a> +<span class="sourceLineNo">083</span> ConcurrentMap<String, ReplicationPeerDescription> peers) {<a name="line.83"></a> +<span class="sourceLineNo">084</span> this.peerStorage = peerStorage;<a name="line.84"></a> +<span class="sourceLineNo">085</span> this.queueStorage = queueStorage;<a name="line.85"></a> +<span class="sourceLineNo">086</span> this.peers = peers;<a name="line.86"></a> +<span class="sourceLineNo">087</span> }<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> private void checkQueuesDeleted(String peerId)<a name="line.89"></a> +<span class="sourceLineNo">090</span> throws ReplicationException, DoNotRetryIOException {<a name="line.90"></a> +<span class="sourceLineNo">091</span> for (ServerName replicator : queueStorage.getListOfReplicators()) {<a name="line.91"></a> +<span class="sourceLineNo">092</span> List<String> queueIds = queueStorage.getAllQueues(replicator);<a name="line.92"></a> +<span class="sourceLineNo">093</span> for (String queueId : queueIds) {<a name="line.93"></a> +<span class="sourceLineNo">094</span> ReplicationQueueInfo queueInfo = new ReplicationQueueInfo(queueId);<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (queueInfo.getPeerId().equals(peerId)) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> throw new DoNotRetryIOException("undeleted queue for peerId: " + peerId +<a name="line.96"></a> +<span class="sourceLineNo">097</span> ", replicator: " + replicator + ", queueId: " + queueId);<a name="line.97"></a> +<span class="sourceLineNo">098</span> }<a name="line.98"></a> +<span class="sourceLineNo">099</span> }<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span> if (queueStorage.getAllPeersFromHFileRefsQueue().contains(peerId)) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> throw new DoNotRetryIOException("Undeleted queue for peer " + peerId + " in hfile-refs");<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span><a name="line.105"></a> +<span class="sourceLineNo">106</span> void preAddPeer(String peerId, ReplicationPeerConfig peerConfig)<a name="line.106"></a> +<span class="sourceLineNo">107</span> throws DoNotRetryIOException, ReplicationException {<a name="line.107"></a> +<span class="sourceLineNo">108</span> if (peerId.contains("-")) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> throw new DoNotRetryIOException("Found invalid peer name: " + peerId);<a name="line.109"></a> <span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span> // make sure that there is no queues with the same peer id. This may happen when we create a<a name="line.111"></a> -<span class="sourceLineNo">112</span> // peer with the same id with a old deleted peer. If the replication queues for the old peer<a name="line.112"></a> -<span class="sourceLineNo">113</span> // have not been cleaned up yet then we should not create the new peer, otherwise the old wal<a name="line.113"></a> -<span class="sourceLineNo">114</span> // file may also be replicated.<a name="line.114"></a> -<span class="sourceLineNo">115</span> checkQueuesDeleted(peerId);<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> private ReplicationPeerDescription checkPeerExists(String peerId) throws DoNotRetryIOException {<a name="line.118"></a> -<span class="sourceLineNo">119</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.119"></a> -<span class="sourceLineNo">120</span> if (desc == null) {<a name="line.120"></a> -<span class="sourceLineNo">121</span> throw new DoNotRetryIOException("Replication peer " + peerId + " does not exist");<a name="line.121"></a> -<span class="sourceLineNo">122</span> }<a name="line.122"></a> -<span class="sourceLineNo">123</span> return desc;<a name="line.123"></a> -<span class="sourceLineNo">124</span> }<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> private void checkPeerInDAStateIfSyncReplication(String peerId) throws DoNotRetryIOException {<a name="line.126"></a> -<span class="sourceLineNo">127</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.127"></a> -<span class="sourceLineNo">128</span> if (desc != null && desc.getPeerConfig().isSyncReplication()<a name="line.128"></a> -<span class="sourceLineNo">129</span> && !SyncReplicationState.DOWNGRADE_ACTIVE.equals(desc.getSyncReplicationState())) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> throw new DoNotRetryIOException("Couldn't remove synchronous replication peer with state="<a name="line.130"></a> -<span class="sourceLineNo">131</span> + desc.getSyncReplicationState()<a name="line.131"></a> -<span class="sourceLineNo">132</span> + ", Transit the synchronous replication state to be DOWNGRADE_ACTIVE firstly.");<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span><a name="line.135"></a> -<span class="sourceLineNo">136</span> ReplicationPeerConfig preRemovePeer(String peerId) throws DoNotRetryIOException {<a name="line.136"></a> -<span class="sourceLineNo">137</span> ReplicationPeerDescription pd = checkPeerExists(peerId);<a name="line.137"></a> -<span class="sourceLineNo">138</span> checkPeerInDAStateIfSyncReplication(peerId);<a name="line.138"></a> -<span class="sourceLineNo">139</span> return pd.getPeerConfig();<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> void preEnablePeer(String peerId) throws DoNotRetryIOException {<a name="line.142"></a> -<span class="sourceLineNo">143</span> ReplicationPeerDescription desc = checkPeerExists(peerId);<a name="line.143"></a> -<span class="sourceLineNo">144</span> if (desc.isEnabled()) {<a name="line.144"></a> -<span class="sourceLineNo">145</span> throw new DoNotRetryIOException("Replication peer " + peerId + " has already been enabled");<a name="line.145"></a> -<span class="sourceLineNo">146</span> }<a name="line.146"></a> +<span class="sourceLineNo">111</span> checkPeerConfig(peerConfig);<a name="line.111"></a> +<span class="sourceLineNo">112</span> if (peerConfig.isSyncReplication()) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> checkSyncReplicationPeerConfigConflict(peerConfig);<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span> if (peers.containsKey(peerId)) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> throw new DoNotRetryIOException("Replication peer " + peerId + " already exists");<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span> // make sure that there is no queues with the same peer id. This may happen when we create a<a name="line.118"></a> +<span class="sourceLineNo">119</span> // peer with the same id with a old deleted peer. If the replication queues for the old peer<a name="line.119"></a> +<span class="sourceLineNo">120</span> // have not been cleaned up yet then we should not create the new peer, otherwise the old wal<a name="line.120"></a> +<span class="sourceLineNo">121</span> // file may also be replicated.<a name="line.121"></a> +<span class="sourceLineNo">122</span> checkQueuesDeleted(peerId);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span><a name="line.124"></a> +<span class="sourceLineNo">125</span> private ReplicationPeerDescription checkPeerExists(String peerId) throws DoNotRetryIOException {<a name="line.125"></a> +<span class="sourceLineNo">126</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.126"></a> +<span class="sourceLineNo">127</span> if (desc == null) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> throw new DoNotRetryIOException("Replication peer " + peerId + " does not exist");<a name="line.128"></a> +<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">130</span> return desc;<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> private void checkPeerInDAStateIfSyncReplication(String peerId) throws DoNotRetryIOException {<a name="line.133"></a> +<span class="sourceLineNo">134</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.134"></a> +<span class="sourceLineNo">135</span> if (desc != null && desc.getPeerConfig().isSyncReplication()<a name="line.135"></a> +<span class="sourceLineNo">136</span> && !SyncReplicationState.DOWNGRADE_ACTIVE.equals(desc.getSyncReplicationState())) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> throw new DoNotRetryIOException("Couldn't remove synchronous replication peer with state="<a name="line.137"></a> +<span class="sourceLineNo">138</span> + desc.getSyncReplicationState()<a name="line.138"></a> +<span class="sourceLineNo">139</span> + ", Transit the synchronous replication state to be DOWNGRADE_ACTIVE firstly.");<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> ReplicationPeerConfig preRemovePeer(String peerId) throws DoNotRetryIOException {<a name="line.143"></a> +<span class="sourceLineNo">144</span> ReplicationPeerDescription pd = checkPeerExists(peerId);<a name="line.144"></a> +<span class="sourceLineNo">145</span> checkPeerInDAStateIfSyncReplication(peerId);<a name="line.145"></a> +<span class="sourceLineNo">146</span> return pd.getPeerConfig();<a name="line.146"></a> <span class="sourceLineNo">147</span> }<a name="line.147"></a> <span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> void preDisablePeer(String peerId) throws DoNotRetryIOException {<a name="line.149"></a> +<span class="sourceLineNo">149</span> void preEnablePeer(String peerId) throws DoNotRetryIOException {<a name="line.149"></a> <span class="sourceLineNo">150</span> ReplicationPeerDescription desc = checkPeerExists(peerId);<a name="line.150"></a> -<span class="sourceLineNo">151</span> if (!desc.isEnabled()) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> throw new DoNotRetryIOException("Replication peer " + peerId + " has already been disabled");<a name="line.152"></a> +<span class="sourceLineNo">151</span> if (desc.isEnabled()) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> throw new DoNotRetryIOException("Replication peer " + peerId + " has already been enabled");<a name="line.152"></a> <span class="sourceLineNo">153</span> }<a name="line.153"></a> <span class="sourceLineNo">154</span> }<a name="line.154"></a> <span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> /**<a name="line.156"></a> -<span class="sourceLineNo">157</span> * Return the old peer description. 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Existing class '" +<a name="line.174"></a> -<span class="sourceLineNo">175</span> oldPeerConfig.getReplicationEndpointImpl() + "' for peer " + peerId +<a name="line.175"></a> -<span class="sourceLineNo">176</span> " does not match new class '" + peerConfig.getReplicationEndpointImpl() + "'");<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span><a name="line.178"></a> -<span class="sourceLineNo">179</span> if (!isStringEquals(peerConfig.getRemoteWALDir(), oldPeerConfig.getRemoteWALDir())) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> throw new DoNotRetryIOException(<a name="line.180"></a> -<span class="sourceLineNo">181</span> "Changing the remote wal dir on an existing peer is not allowed. 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Can never be null.<a name="line.164"></a> +<span class="sourceLineNo">165</span> */<a name="line.165"></a> +<span class="sourceLineNo">166</span> ReplicationPeerDescription preUpdatePeerConfig(String peerId, ReplicationPeerConfig peerConfig)<a name="line.166"></a> +<span class="sourceLineNo">167</span> throws DoNotRetryIOException {<a name="line.167"></a> +<span class="sourceLineNo">168</span> checkPeerConfig(peerConfig);<a name="line.168"></a> +<span class="sourceLineNo">169</span> ReplicationPeerDescription desc = checkPeerExists(peerId);<a name="line.169"></a> +<span class="sourceLineNo">170</span> ReplicationPeerConfig oldPeerConfig = desc.getPeerConfig();<a name="line.170"></a> +<span class="sourceLineNo">171</span> if (!isStringEquals(peerConfig.getClusterKey(), oldPeerConfig.getClusterKey())) {<a name="line.171"></a> +<span class="sourceLineNo">172</span> throw new DoNotRetryIOException(<a name="line.172"></a> +<span class="sourceLineNo">173</span> "Changing the cluster key on an existing peer is not allowed. Existing key '" +<a name="line.173"></a> +<span class="sourceLineNo">174</span> oldPeerConfig.getClusterKey() + "' for peer " + peerId + " does not match new key '" +<a name="line.174"></a> +<span class="sourceLineNo">175</span> peerConfig.getClusterKey() + "'");<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span> if (!isStringEquals(peerConfig.getReplicationEndpointImpl(),<a name="line.178"></a> +<span class="sourceLineNo">179</span> oldPeerConfig.getReplicationEndpointImpl())) {<a name="line.179"></a> +<span class="sourceLineNo">180</span> throw new DoNotRetryIOException("Changing the replication endpoint implementation class " +<a name="line.180"></a> +<span class="sourceLineNo">181</span> "on an existing peer is not allowed. 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SyncReplicationState.DOWNGRADE_ACTIVE<a name="line.219"></a> -<span class="sourceLineNo">220</span> : SyncReplicationState.NONE;<a name="line.220"></a> -<span class="sourceLineNo">221</span> peerStorage.addPeer(peerId, copiedPeerConfig, enabled, syncReplicationState);<a name="line.221"></a> -<span class="sourceLineNo">222</span> peers.put(peerId,<a name="line.222"></a> -<span class="sourceLineNo">223</span> new ReplicationPeerDescription(peerId, enabled, copiedPeerConfig, syncReplicationState));<a name="line.223"></a> -<span class="sourceLineNo">224</span> }<a name="line.224"></a> -<span class="sourceLineNo">225</span><a name="line.225"></a> -<span class="sourceLineNo">226</span> public void removePeer(String peerId) throws ReplicationException {<a name="line.226"></a> -<span class="sourceLineNo">227</span> if (!peers.containsKey(peerId)) {<a name="line.227"></a> -<span class="sourceLineNo">228</span> // this should be a retry, just return<a name="line.228"></a> -<span class="sourceLineNo">229</span> return;<a name="line.229"></a> -<span class="sourceLineNo">230</span> }<a name="line.230"></a> -<span class="sourceLineNo">231</span> peerStorage.removePeer(peerId);<a name="line.231"></a> -<span class="sourceLineNo">232</span> peers.remove(peerId);<a name="line.232"></a> -<span class="sourceLineNo">233</span> }<a name="line.233"></a> -<span class="sourceLineNo">234</span><a name="line.234"></a> -<span class="sourceLineNo">235</span> private void setPeerState(String peerId, boolean enabled) throws ReplicationException {<a name="line.235"></a> -<span class="sourceLineNo">236</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.236"></a> -<span class="sourceLineNo">237</span> if (desc.isEnabled() == enabled) {<a name="line.237"></a> -<span class="sourceLineNo">238</span> // this should be a retry, just return<a name="line.238"></a> -<span class="sourceLineNo">239</span> return;<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span> peerStorage.setPeerState(peerId, enabled);<a name="line.241"></a> -<span class="sourceLineNo">242</span> peers.put(peerId, new ReplicationPeerDescription(peerId, enabled, desc.getPeerConfig(),<a name="line.242"></a> -<span class="sourceLineNo">243</span> desc.getSyncReplicationState()));<a name="line.243"></a> -<span class="sourceLineNo">244</span> }<a name="line.244"></a> -<span class="sourceLineNo">245</span><a name="line.245"></a> -<span class="sourceLineNo">246</span> public void enablePeer(String peerId) throws ReplicationException {<a name="line.246"></a> -<span class="sourceLineNo">247</span> setPeerState(peerId, true);<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> public void disablePeer(String peerId) throws ReplicationException {<a name="line.250"></a> -<span class="sourceLineNo">251</span> setPeerState(peerId, false);<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> public void updatePeerConfig(String peerId, ReplicationPeerConfig peerConfig)<a name="line.254"></a> -<span class="sourceLineNo">255</span> throws ReplicationException {<a name="line.255"></a> -<span class="sourceLineNo">256</span> // the checking rules are too complicated here so we give up checking whether this is a retry.<a name="line.256"></a> -<span class="sourceLineNo">257</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.257"></a> -<span class="sourceLineNo">258</span> ReplicationPeerConfig oldPeerConfig = desc.getPeerConfig();<a name="line.258"></a> -<span class="sourceLineNo">259</span> ReplicationPeerConfigBuilder newPeerConfigBuilder =<a name="line.259"></a> -<span class="sourceLineNo">260</span> ReplicationPeerConfig.newBuilder(peerConfig);<a name="line.260"></a> -<span class="sourceLineNo">261</span> // we need to use the new conf to overwrite the old one.<a name="line.261"></a> -<span class="sourceLineNo">262</span> newPeerConfigBuilder.putAllConfiguration(oldPeerConfig.getConfiguration());<a name="line.262"></a> -<span class="sourceLineNo">263</span> newPeerConfigBuilder.putAllConfiguration(peerConfig.getConfiguration());<a name="line.263"></a> -<span class="sourceLineNo">264</span> newPeerConfigBuilder.putAllConfiguration(oldPeerConfig.getConfiguration());<a name="line.264"></a> -<span class="sourceLineNo">265</span> newPeerConfigBuilder.putAllConfiguration(peerConfig.getConfiguration());<a name="line.265"></a> -<span class="sourceLineNo">266</span> ReplicationPeerConfig newPeerConfig = newPeerConfigBuilder.build();<a name="line.266"></a> -<span class="sourceLineNo">267</span> peerStorage.updatePeerConfig(peerId, newPeerConfig);<a 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name="line.277"></a> -<span class="sourceLineNo">278</span> }<a name="line.278"></a> -<span class="sourceLineNo">279</span><a name="line.279"></a> -<span class="sourceLineNo">280</span> public Optional<ReplicationPeerConfig> getPeerConfig(String peerId) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.281"></a> -<span class="sourceLineNo">282</span> return desc != null ? 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SyncReplicationState.DOWNGRADE_ACTIVE<a name="line.226"></a> +<span class="sourceLineNo">227</span> : SyncReplicationState.NONE;<a name="line.227"></a> +<span class="sourceLineNo">228</span> peerStorage.addPeer(peerId, copiedPeerConfig, enabled, syncReplicationState);<a name="line.228"></a> +<span class="sourceLineNo">229</span> peers.put(peerId,<a name="line.229"></a> +<span class="sourceLineNo">230</span> new ReplicationPeerDescription(peerId, enabled, copiedPeerConfig, syncReplicationState));<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<a name="line.231"></a> +<span class="sourceLineNo">232</span><a name="line.232"></a> +<span class="sourceLineNo">233</span> public void removePeer(String peerId) throws ReplicationException {<a name="line.233"></a> +<span class="sourceLineNo">234</span> if (!peers.containsKey(peerId)) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> // this should be a retry, just return<a name="line.235"></a> +<span 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class="sourceLineNo">247</span> }<a name="line.247"></a> +<span class="sourceLineNo">248</span> peerStorage.setPeerState(peerId, enabled);<a name="line.248"></a> +<span class="sourceLineNo">249</span> peers.put(peerId, new ReplicationPeerDescription(peerId, enabled, desc.getPeerConfig(),<a name="line.249"></a> +<span class="sourceLineNo">250</span> desc.getSyncReplicationState()));<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span><a name="line.252"></a> +<span class="sourceLineNo">253</span> public void enablePeer(String peerId) throws ReplicationException {<a name="line.253"></a> +<span class="sourceLineNo">254</span> setPeerState(peerId, true);<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span><a name="line.256"></a> +<span class="sourceLineNo">257</span> public void disablePeer(String peerId) throws ReplicationException {<a name="line.257"></a> +<span class="sourceLineNo">258</span> setPeerState(peerId, false);<a name="line.258"></a> +<span class="sourceLineNo">259</span> }<a name="line.259"></a> +<span class="sourceLineNo">260</span><a name="line.260"></a> +<span class="sourceLineNo">261</span> public void updatePeerConfig(String peerId, ReplicationPeerConfig peerConfig)<a name="line.261"></a> +<span class="sourceLineNo">262</span> throws ReplicationException {<a name="line.262"></a> +<span class="sourceLineNo">263</span> // the checking rules are too complicated here so we give up checking whether this is a retry.<a name="line.263"></a> +<span class="sourceLineNo">264</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.264"></a> +<span class="sourceLineNo">265</span> ReplicationPeerConfig oldPeerConfig = desc.getPeerConfig();<a name="line.265"></a> +<span class="sourceLineNo">266</span> ReplicationPeerConfigBuilder newPeerConfigBuilder =<a name="line.266"></a> +<span class="sourceLineNo">267</span> ReplicationPeerConfig.newBuilder(peerConfig);<a name="line.267"></a> +<span class="sourceLineNo">268</span> // we need to use the new conf to overwrite the old one.<a name="line.268"></a> +<span class="sourceLineNo">269</span> newPeerConfigBuilder.putAllConfiguration(oldPeerConfig.getConfiguration());<a name="line.269"></a> +<span class="sourceLineNo">270</span> newPeerConfigBuilder.putAllConfiguration(peerConfig.getConfiguration());<a name="line.270"></a> +<span class="sourceLineNo">271</span> newPeerConfigBuilder.putAllConfiguration(oldPeerConfig.getConfiguration());<a name="line.271"></a> +<span class="sourceLineNo">272</span> newPeerConfigBuilder.putAllConfiguration(peerConfig.getConfiguration());<a name="line.272"></a> +<span class="sourceLineNo">273</span> ReplicationPeerConfig newPeerConfig = newPeerConfigBuilder.build();<a name="line.273"></a> +<span class="sourceLineNo">274</span> peerStorage.updatePeerConfig(peerId, newPeerConfig);<a name="line.274"></a> +<span class="sourceLineNo">275</span> peers.put(peerId, new ReplicationPeerDescription(peerId, desc.isEnabled(), newPeerConfig,<a name="line.275"></a> +<span class="sourceLineNo">276</span> desc.getSyncReplicationState()));<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span><a name="line.278"></a> +<span class="sourceLineNo">279</span> public List<ReplicationPeerDescription> listPeers(Pattern pattern) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> if (pattern == null) {<a name="line.280"></a> +<span class="sourceLineNo">281</span> return new ArrayList<>(peers.values());<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span> return peers.values().stream().filter(r -> pattern.matcher(r.getPeerId()).matches())<a name="line.283"></a> +<span class="sourceLineNo">284</span> .collect(Collectors.toList());<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span><a name="line.286"></a> +<span class="sourceLineNo">287</span> public Optional<ReplicationPeerConfig> getPeerConfig(String peerId) {<a name="line.287"></a> +<span class="sourceLineNo">288</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.288"></a> +<span class="sourceLineNo">289</span> return desc != null ? Optional.of(desc.getPeerConfig()) : Optional.empty();<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> void removeAllLastPushedSeqIds(String peerId) throws ReplicationException {<a name="line.292"></a> +<span class="sourceLineNo">293</span> queueStorage.removeLastSequenceIds(peerId);<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> public void setPeerNewSyncReplicationState(String peerId, SyncReplicationState state)<a name="line.296"></a> +<span class="sourceLineNo">297</span> throws ReplicationException {<a name="line.297"></a> +<span class="sourceLineNo">298</span> peerStorage.setPeerNewSyncReplicationState(peerId, state);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> public void transitPeerSyncReplicationState(String peerId, SyncReplicationState newState)<a name="line.301"></a> +<span class="sourceLineNo">302</span> throws ReplicationException {<a name="line.302"></a> +<span class="sourceLineNo">303</span> if (peerStorage.getPeerNewSyncReplicationState(peerId) != SyncReplicationState.NONE) {<a name="line.303"></a> +<span class="sourceLineNo">304</span> // Only transit if this is not a retry<a name="line.304"></a> +<span class="sourceLineNo">305</span> peerStorage.transitPeerSyncReplicationState(peerId);<a name="line.305"></a> +<span class="sourceLineNo">306</span> }<a name="line.306"></a> +<span class="sourceLineNo">307</span> ReplicationPeerDescription desc = peers.get(peerId);<a name="line.307"></a> +<span class="sourceLineNo">308</span> if (desc.getSyncReplicationState() != newState) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> // Only recreate the desc if this is not a retry<a name="line.309"></a> +<span class="sourceLineNo">310</span> peers.put(peerId,<a name="line.310"></a> +<span class="sourceLineNo">311</span> new ReplicationPeerDescription(peerId, desc.isEnabled(), desc.getPeerConfig(), newState));<a name="line.311"></a> +<span class="sourceLineNo">312</span> }<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"></a> +<span class="sourceLineNo">315</span> public void removeAllQueues(String peerId) throws ReplicationException {<a name="line.315"></a> +<span class="sourceLineNo">316</span> // Here we need two passes to address the problem of claimQueue. 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class="sourceLineNo">380</span> throw new DoNotRetryIOException("Need config replicated tables for sync replication peer");<a name="line.380"></a> +<span class="sourceLineNo">366</span> if (peerConfig.isSyncReplication()) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> checkPeerConfigForSyncReplication(peerConfig);<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span><a name="line.369"></a> +<span class="sourceLineNo">370</span> checkConfiguredWALEntryFilters(peerConfig);<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span><a name="line.372"></a> +<span class="sourceLineNo">373</span> private void checkPeerConfigForSyncReplication(ReplicationPeerConfig peerConfig)<a name="line.373"></a> +<span class="sourceLineNo">374</span> throws DoNotRetryIOException {<a name="line.374"></a> +<span class="sourceLineNo">375</span> // This is 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<TRUNCATED>
