diff options
Diffstat (limited to 'zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java')
-rw-r--r-- | zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java b/zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java index ae7bf8d84f5..27aa18c64c7 100644 --- a/zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java +++ b/zookeeper-server/zookeeper-server-3.7.0/src/main/java/com/yahoo/vespa/zookeeper/VespaZooKeeperAdminImpl.java @@ -2,15 +2,11 @@ package com.yahoo.vespa.zookeeper; import com.yahoo.vespa.zookeeper.client.ZkClientConfigBuilder; -import org.apache.zookeeper.CreateMode; import org.apache.zookeeper.KeeperException; -import org.apache.zookeeper.ZooDefs; import org.apache.zookeeper.admin.ZooKeeperAdmin; -import org.apache.zookeeper.data.ACL; import java.io.IOException; import java.nio.charset.StandardCharsets; -import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; @@ -23,28 +19,27 @@ public class VespaZooKeeperAdminImpl implements VespaZooKeeperAdmin { private static final Logger log = java.util.logging.Logger.getLogger(VespaZooKeeperAdminImpl.class.getName()); @Override - public void reconfigure(String connectionSpec, String servers) throws ReconfigException { - try (ZooKeeperAdmin zooKeeperAdmin = createAdmin(connectionSpec)) { + public void reconfigure(String connectionSpec, String joiningServers, String leavingServers) throws ReconfigException { + ZooKeeperAdmin zooKeeperAdmin = null; + try { + zooKeeperAdmin = createAdmin(connectionSpec); long fromConfig = -1; - // Using string parameters because the List variant of reconfigure fails to join empty lists (observed on 3.5.6, fixed in 3.7.0). - log.log(Level.INFO, "Applying ZooKeeper config: " + servers); - byte[] appliedConfig = zooKeeperAdmin.reconfigure(null, null, servers, fromConfig, null); + // Using string parameters because the List variant of reconfigure fails to join empty lists (observed on 3.5.6, fixed in 3.7.0) + byte[] appliedConfig = zooKeeperAdmin.reconfigure(joiningServers, leavingServers, null, fromConfig, null); log.log(Level.INFO, "Applied ZooKeeper config: " + new String(appliedConfig, StandardCharsets.UTF_8)); - - // Verify by issuing a write operation; this is only accepted once new quorum is obtained. - List<ACL> acl = ZooDefs.Ids.OPEN_ACL_UNSAFE; - String node = zooKeeperAdmin.create("/reconfigure-dummy-node", new byte[0], acl, CreateMode.EPHEMERAL_SEQUENTIAL); - zooKeeperAdmin.delete(node, -1); - - log.log(Level.INFO, "Verified ZooKeeper config: " + new String(appliedConfig, StandardCharsets.UTF_8)); - } - catch ( KeeperException.ReconfigInProgress - | KeeperException.ConnectionLossException - | KeeperException.NewConfigNoQuorum e) { - throw new ReconfigException(e); - } - catch (KeeperException | IOException | InterruptedException e) { + } catch (KeeperException e) { + if (retryOn(e)) + throw new ReconfigException(e); + else + throw new RuntimeException(e); + } catch (IOException | InterruptedException e) { throw new RuntimeException(e); + } finally { + if (zooKeeperAdmin != null) { + try { + zooKeeperAdmin.close(); + } catch (InterruptedException e) { /* ignore */} + } } } @@ -53,5 +48,11 @@ public class VespaZooKeeperAdminImpl implements VespaZooKeeperAdmin { (event) -> log.log(Level.INFO, event.toString()), new ZkClientConfigBuilder().toConfig()); } + private static boolean retryOn(KeeperException e) { + return e instanceof KeeperException.ReconfigInProgress || + e instanceof KeeperException.ConnectionLossException || + e instanceof KeeperException.NewConfigNoQuorum; + } + } |