Examples with LocalAllocateDangledIndices org.elasticsearch.gateway.LocalAllocateDangledIndices used on opensource projects

Example 1 with LocalAllocateDangledIndices

use of org.elasticsearch.gateway.LocalAllocateDangledIndices in project elasticsearch by elastic.

the class IndicesServiceTests method testDanglingIndicesWithAliasConflict.

public void testDanglingIndicesWithAliasConflict() throws Exception {
    final String indexName = "test-idx1";
    final String alias = "test-alias";
    final ClusterService clusterService = getInstanceFromNode(ClusterService.class);
    createIndex(indexName);
    // create the alias for the index
    client().admin().indices().prepareAliases().addAlias(indexName, alias).get();
    final ClusterState originalState = clusterService.state();
    // try to import a dangling index with the same name as the alias, it should fail
    final LocalAllocateDangledIndices dangling = getInstanceFromNode(LocalAllocateDangledIndices.class);
    final Settings idxSettings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).put(IndexMetaData.SETTING_INDEX_UUID, UUIDs.randomBase64UUID()).build();
    final IndexMetaData indexMetaData = new IndexMetaData.Builder(alias).settings(idxSettings).numberOfShards(1).numberOfReplicas(0).build();
    DanglingListener listener = new DanglingListener();
    dangling.allocateDangled(Arrays.asList(indexMetaData), listener);
    listener.latch.await();
    assertThat(clusterService.state(), equalTo(originalState));
    // remove the alias
    client().admin().indices().prepareAliases().removeAlias(indexName, alias).get();
    // now try importing a dangling index with the same name as the alias, it should succeed.
    listener = new DanglingListener();
    dangling.allocateDangled(Arrays.asList(indexMetaData), listener);
    listener.latch.await();
    assertThat(clusterService.state(), not(originalState));
    assertNotNull(clusterService.state().getMetaData().index(alias));
}