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The following commit(s) were added to refs/heads/main by this push:
new ef824fdb00 Fix bug in InstanceOperationsImpl.getServer() (#5056)
ef824fdb00 is described below
commit ef824fdb004891432182017d0bf984b96b216729
Author: Dom G. <[email protected]>
AuthorDate: Wed Nov 13 16:09:22 2024 -0500
Fix bug in InstanceOperationsImpl.getServer() (#5056)
* Fix bug in InstanceOperationsImpl.getServer() where the code to gather
tservers was mistakenly collecting scan servers
* Added tests for each of the server types accepted by this method
---
.../core/clientImpl/InstanceOperationsImpl.java | 2 +-
.../apache/accumulo/test/InstanceOperationsIT.java | 88 ++++++++++++++++++----
2 files changed, 74 insertions(+), 16 deletions(-)
diff --git
a/core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java
b/core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java
index 60ccc9145d..e111c6921f 100644
---
a/core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java
+++
b/core/src/main/java/org/apache/accumulo/core/clientImpl/InstanceOperationsImpl.java
@@ -511,7 +511,7 @@ public class InstanceOperationsImpl implements
InstanceOperations {
throw new IllegalStateException("Multiple servers matching provided
address");
}
case TABLET_SERVER:
- Set<ServiceLockPath> tservers =
context.getServerPaths().getScanServer(rg, hp, true);
+ Set<ServiceLockPath> tservers =
context.getServerPaths().getTabletServer(rg, hp, true);
if (tservers.isEmpty()) {
return null;
} else if (tservers.size() == 1) {
diff --git
a/test/src/main/java/org/apache/accumulo/test/InstanceOperationsIT.java
b/test/src/main/java/org/apache/accumulo/test/InstanceOperationsIT.java
index 3fd18e353d..1aec21729f 100644
--- a/test/src/main/java/org/apache/accumulo/test/InstanceOperationsIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/InstanceOperationsIT.java
@@ -44,12 +44,70 @@ import org.junit.jupiter.api.Test;
public class InstanceOperationsIT extends AccumuloClusterHarness {
+ final int NUM_COMPACTORS = 3;
+ final int NUM_SCANSERVERS = 2;
+ final int NUM_TABLETSERVERS = 1;
+
@Override
public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration
hadoopCoreSite) {
cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "10s");
- cfg.getClusterServerConfiguration().setNumDefaultCompactors(3);
- cfg.getClusterServerConfiguration().setNumDefaultScanServers(2);
- cfg.getClusterServerConfiguration().setNumDefaultTabletServers(1);
+
cfg.getClusterServerConfiguration().setNumDefaultCompactors(NUM_COMPACTORS);
+
cfg.getClusterServerConfiguration().setNumDefaultScanServers(NUM_SCANSERVERS);
+
cfg.getClusterServerConfiguration().setNumDefaultTabletServers(NUM_TABLETSERVERS);
+ }
+
+ /**
+ * Verify that we get the same servers from getServers() and getServer()
+ */
+ @Test
+ public void testGetServer() {
+ try (AccumuloClient client =
Accumulo.newClient().from(getClientProps()).build()) {
+ final InstanceOperations iops = client.instanceOperations();
+
+ // Verify scan servers
+ final Set<ServerId> sservers =
iops.getServers(ServerId.Type.SCAN_SERVER);
+ assertEquals(NUM_SCANSERVERS, sservers.size());
+ sservers.forEach(expectedServerId -> {
+ ServerId actualServerId =
+ iops.getServer(expectedServerId.getType(),
expectedServerId.getResourceGroup(),
+ expectedServerId.getHost(), expectedServerId.getPort());
+ assertNotNull(actualServerId, "Expected to find scan server " +
expectedServerId);
+ assertEquals(expectedServerId, actualServerId);
+ });
+
+ // Verify tablet servers
+ final Set<ServerId> tservers =
iops.getServers(ServerId.Type.TABLET_SERVER);
+ assertEquals(NUM_TABLETSERVERS, tservers.size());
+ tservers.forEach(expectedServerId -> {
+ ServerId actualServerId =
+ iops.getServer(expectedServerId.getType(),
expectedServerId.getResourceGroup(),
+ expectedServerId.getHost(), expectedServerId.getPort());
+ assertNotNull(actualServerId, "Expected to find tablet server " +
expectedServerId);
+ assertEquals(expectedServerId, actualServerId);
+ });
+
+ // Verify compactors
+ final Set<ServerId> compactors =
iops.getServers(ServerId.Type.COMPACTOR);
+ assertEquals(NUM_COMPACTORS, compactors.size());
+ compactors.forEach(expectedServerId -> {
+ ServerId actualServerId =
+ iops.getServer(expectedServerId.getType(),
expectedServerId.getResourceGroup(),
+ expectedServerId.getHost(), expectedServerId.getPort());
+ assertNotNull(actualServerId, "Expected to find compactor " +
expectedServerId);
+ assertEquals(expectedServerId, actualServerId);
+ });
+
+ // Verify managers
+ final Set<ServerId> managers = iops.getServers(ServerId.Type.MANAGER);
+ assertEquals(1, managers.size()); // Assuming there is only one manager
+ managers.forEach(expectedServerId -> {
+ ServerId actualServerId =
+ iops.getServer(expectedServerId.getType(),
expectedServerId.getResourceGroup(),
+ expectedServerId.getHost(), expectedServerId.getPort());
+ assertNotNull(actualServerId, "Expected to find manager " +
expectedServerId);
+ assertEquals(expectedServerId, actualServerId);
+ });
+ }
}
@SuppressWarnings("deprecation")
@@ -58,16 +116,16 @@ public class InstanceOperationsIT extends
AccumuloClusterHarness {
try (AccumuloClient client =
Accumulo.newClient().from(getClientProps()).build()) {
InstanceOperations iops = client.instanceOperations();
- assertEquals(3, iops.getServers(ServerId.Type.COMPACTOR).size());
- assertEquals(3, iops.getCompactors().size());
+ assertEquals(NUM_COMPACTORS,
iops.getServers(ServerId.Type.COMPACTOR).size());
+ assertEquals(NUM_COMPACTORS, iops.getCompactors().size());
validateAddresses(iops.getCompactors(),
iops.getServers(ServerId.Type.COMPACTOR));
- assertEquals(2, iops.getServers(ServerId.Type.SCAN_SERVER).size());
- assertEquals(2, iops.getScanServers().size());
+ assertEquals(NUM_SCANSERVERS,
iops.getServers(ServerId.Type.SCAN_SERVER).size());
+ assertEquals(NUM_SCANSERVERS, iops.getScanServers().size());
validateAddresses(iops.getScanServers(),
iops.getServers(ServerId.Type.SCAN_SERVER));
- assertEquals(1, iops.getServers(ServerId.Type.TABLET_SERVER).size());
- assertEquals(1, iops.getTabletServers().size());
+ assertEquals(NUM_TABLETSERVERS,
iops.getServers(ServerId.Type.TABLET_SERVER).size());
+ assertEquals(NUM_TABLETSERVERS, iops.getTabletServers().size());
validateAddresses(iops.getTabletServers(),
iops.getServers(ServerId.Type.TABLET_SERVER));
assertEquals(1, iops.getServers(ServerId.Type.MANAGER).size());
@@ -96,12 +154,12 @@ public class InstanceOperationsIT extends
AccumuloClusterHarness {
public void testPing() throws Exception {
try (AccumuloClient client =
Accumulo.newClient().from(getClientProps()).build()) {
- Wait.waitFor(
- () ->
client.instanceOperations().getServers(ServerId.Type.COMPACTOR).size() == 3);
- Wait.waitFor(
- () ->
client.instanceOperations().getServers(ServerId.Type.SCAN_SERVER).size() == 2);
- Wait.waitFor(
- () ->
client.instanceOperations().getServers(ServerId.Type.TABLET_SERVER).size() ==
1);
+ Wait.waitFor(() ->
client.instanceOperations().getServers(ServerId.Type.COMPACTOR).size()
+ == NUM_COMPACTORS);
+ Wait.waitFor(() ->
client.instanceOperations().getServers(ServerId.Type.SCAN_SERVER).size()
+ == NUM_SCANSERVERS);
+ Wait.waitFor(() ->
client.instanceOperations().getServers(ServerId.Type.TABLET_SERVER).size()
+ == NUM_TABLETSERVERS);
final InstanceOperations io = client.instanceOperations();
Set<ServerId> servers = io.getServers(ServerId.Type.COMPACTOR);
