@Test
public void testAliasInvalidFilterValidJson() throws Exception {
// invalid filter but valid json: put index template works fine, fails during index creation
client()
.admin()
.indices()
.preparePutTemplate("template_1")
.setTemplate("te*")
.addAlias(new Alias("invalid_alias").filter("{ \"invalid\": {} }"))
.get();
GetIndexTemplatesResponse response =
client().admin().indices().prepareGetTemplates("template_1").get();
assertThat(response.getIndexTemplates().size(), equalTo(1));
assertThat(response.getIndexTemplates().get(0).getAliases().size(), equalTo(1));
assertThat(
response.getIndexTemplates().get(0).getAliases().get("invalid_alias").filter().string(),
equalTo("{\"invalid\":{}}"));
try {
createIndex("test");
fail(
"index creation should have failed due to invalid alias filter in matching index template");
} catch (ElasticsearchIllegalArgumentException e) {
assertThat(e.getMessage(), equalTo("failed to parse filter for alias [invalid_alias]"));
assertThat(e.getCause(), instanceOf(QueryParsingException.class));
assertThat(e.getCause().getMessage(), equalTo("[test] No filter registered for [invalid]"));
}
}
@Test
public void testAliasEmptyName() throws Exception {
PutIndexTemplateRequestBuilder putIndexTemplateRequestBuilder =
client()
.admin()
.indices()
.preparePutTemplate("template_1")
.setTemplate("te*")
.addAlias(new Alias(" ").indexRouting("1,2,3"));
try {
putIndexTemplateRequestBuilder.get();
fail("put template should have failed due to alias with empty name");
} catch (ElasticsearchIllegalArgumentException e) {
assertThat(e.getMessage(), equalTo("alias name is required"));
}
}
@Test
public void testAliasWithMultipleIndexRoutings() throws Exception {
PutIndexTemplateRequestBuilder putIndexTemplateRequestBuilder =
client()
.admin()
.indices()
.preparePutTemplate("template_1")
.setTemplate("te*")
.addAlias(new Alias("alias").indexRouting("1,2,3"));
try {
putIndexTemplateRequestBuilder.get();
fail("put template should have failed due to alias with multiple index routings");
} catch (ElasticsearchIllegalArgumentException e) {
assertThat(
e.getMessage(),
equalTo("alias [alias] has several index routing values associated with it"));
}
}
@Test
public void testAliasInvalidFilterInvalidJson() throws Exception {
// invalid json: put index template fails
PutIndexTemplateRequestBuilder putIndexTemplateRequestBuilder =
client()
.admin()
.indices()
.preparePutTemplate("template_1")
.setTemplate("te*")
.addAlias(new Alias("invalid_alias").filter("abcde"));
try {
putIndexTemplateRequestBuilder.get();
} catch (ElasticsearchIllegalArgumentException e) {
assertThat(e.getMessage(), equalTo("failed to parse filter for alias [invalid_alias]"));
}
GetIndexTemplatesResponse response =
client().admin().indices().prepareGetTemplates("template_1").get();
assertThat(response.getIndexTemplates().size(), equalTo(0));
}
@Test
public void testShardRelocationsTakenIntoAccount() {
Settings diskSettings =
settingsBuilder()
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED, true)
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS, true)
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK, 0.7)
.put(DiskThresholdDecider.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK, 0.8)
.build();
Map<String, DiskUsage> usages = new HashMap<>();
usages.put("node1", new DiskUsage("node1", 100, 40)); // 60% used
usages.put("node2", new DiskUsage("node2", 100, 40)); // 60% used
usages.put("node2", new DiskUsage("node3", 100, 40)); // 60% used
Map<String, Long> shardSizes = new HashMap<>();
shardSizes.put("[test][0][p]", 14L); // 14 bytes
shardSizes.put("[test][0][r]", 14L);
shardSizes.put("[test2][0][p]", 1L); // 1 bytes
shardSizes.put("[test2][0][r]", 1L);
final ClusterInfo clusterInfo =
new ClusterInfo(ImmutableMap.copyOf(usages), ImmutableMap.copyOf(shardSizes));
AllocationDeciders deciders =
new AllocationDeciders(
ImmutableSettings.EMPTY,
new HashSet<>(
Arrays.asList(
new SameShardAllocationDecider(ImmutableSettings.EMPTY),
new DiskThresholdDecider(diskSettings))));
ClusterInfoService cis =
new ClusterInfoService() {
@Override
public ClusterInfo getClusterInfo() {
logger.info("--> calling fake getClusterInfo");
return clusterInfo;
}
};
AllocationService strategy =
new AllocationService(
settingsBuilder()
.put("cluster.routing.allocation.concurrent_recoveries", 10)
.put(
ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE,
"always")
.put("cluster.routing.allocation.cluster_concurrent_rebalance", -1)
.build(),
deciders,
new ShardsAllocators(),
cis);
MetaData metaData =
MetaData.builder()
.put(IndexMetaData.builder("test").numberOfShards(1).numberOfReplicas(1))
.put(IndexMetaData.builder("test2").numberOfShards(1).numberOfReplicas(1))
.build();
RoutingTable routingTable =
RoutingTable.builder()
.addAsNew(metaData.index("test"))
.addAsNew(metaData.index("test2"))
.build();
ClusterState clusterState =
ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT)
.metaData(metaData)
.routingTable(routingTable)
.build();
logger.info("--> adding two nodes");
clusterState =
ClusterState.builder(clusterState)
.nodes(DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2")))
.build();
routingTable = strategy.reroute(clusterState).routingTable();
clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
logShardStates(clusterState);
// shards should be initializing
assertThat(clusterState.routingNodes().shardsWithState(INITIALIZING).size(), equalTo(4));
logger.info("--> start the shards");
routingTable =
strategy
.applyStartedShards(
clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING))
.routingTable();
clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
logShardStates(clusterState);
// Assert that we're able to start the primary and replicas
assertThat(
clusterState.routingNodes().shardsWithState(ShardRoutingState.STARTED).size(), equalTo(4));
logger.info("--> adding node3");
clusterState =
ClusterState.builder(clusterState)
.nodes(DiscoveryNodes.builder(clusterState.nodes()).put(newNode("node3")))
.build();
AllocationCommand relocate1 =
new MoveAllocationCommand(new ShardId("test", 0), "node2", "node3");
AllocationCommands cmds = new AllocationCommands(relocate1);
routingTable = strategy.reroute(clusterState, cmds).routingTable();
clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
logShardStates(clusterState);
AllocationCommand relocate2 =
new MoveAllocationCommand(new ShardId("test2", 0), "node2", "node3");
cmds = new AllocationCommands(relocate2);
try {
// The shard for the "test" index is already being relocated to
// node3, which will put it over the low watermark when it
// completes, with shard relocations taken into account this should
// throw an exception about not being able to complete
strategy.reroute(clusterState, cmds).routingTable();
fail("should not have been able to reroute the shard");
} catch (ElasticsearchIllegalArgumentException e) {
assertThat(
"can't allocated because there isn't enough room: " + e.getMessage(),
e.getMessage().contains("less than required [30.0%] free disk on node, free: [26.0%]"),
equalTo(true));
}
}