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Ignore already existing required z-nodes in global zk #202

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Feb 13, 2017
Merged

Ignore already existing required z-nodes in global zk #202

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34 changes: 25 additions & 9 deletions pulsar-broker/src/main/java/com/yahoo/pulsar/PulsarClusterMetadataSetup.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import org.apache.bookkeeper.meta.HierarchicalLedgerManagerFactory;
import org.apache.bookkeeper.util.ZkUtils;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException.NodeExistsException;
import org.apache.zookeeper.ZooDefs;
import org.apache.zookeeper.ZooKeeper;
import org.slf4j.Logger;
Expand All @@ -44,14 +45,16 @@ private static class Arguments {
@Parameter(names = { "-c", "--cluster" }, description = "Cluster name", required = true)
private String cluster;

@Parameter(names = { "-uw", "--web-service-url" }, description = "Web-service URL for new cluster", required = true)
@Parameter(names = { "-uw",
"--web-service-url" }, description = "Web-service URL for new cluster", required = true)
private String clusterWebServiceUrl;

@Parameter(names = { "-tw",
"--web-service-url-tls" }, description = "Web-service URL for new cluster with TLS encryption", required = false)
private String clusterWebServiceUrlTls;

@Parameter(names = { "-ub", "--broker-service-url" }, description = "Broker-service URL for new cluster", required = false)

@Parameter(names = { "-ub",
"--broker-service-url" }, description = "Broker-service URL for new cluster", required = false)
private String clusterBrokerServiceUrl;

@Parameter(names = { "-tb",
Expand Down Expand Up @@ -103,10 +106,19 @@ public static void main(String[] args) throws Exception {
localZk.create("/managed-ledgers", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
localZk.create("/namespace", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);

ZkUtils.createFullPathOptimistic(globalZk, "/admin/policies", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
ZkUtils.createFullPathOptimistic(globalZk, "/admin/clusters", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
try {
ZkUtils.createFullPathOptimistic(globalZk, "/admin/policies", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} catch (NodeExistsException e) {
// Ignore
}

try {
ZkUtils.createFullPathOptimistic(globalZk, "/admin/clusters", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} catch (NodeExistsException e) {
// Ignore
}

ClusterData clusterData = new ClusterData(arguments.clusterWebServiceUrl, arguments.clusterWebServiceUrlTls,
arguments.clusterBrokerServiceUrl, arguments.clusterBrokerServiceUrlTls);
Expand All @@ -119,8 +131,12 @@ public static void main(String[] args) throws Exception {
ClusterData globalClusterData = new ClusterData(null, null);
byte[] globalClusterDataJson = ObjectMapperFactory.getThreadLocal().writeValueAsBytes(globalClusterData);

globalZk.create("/admin/clusters/global", globalClusterDataJson, ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
try {
globalZk.create("/admin/clusters/global", globalClusterDataJson, ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} catch (NodeExistsException e) {
// Ignore
}

log.info("Cluster metadata for '{}' setup correctly", arguments.cluster);
}
Expand Down