Examples with UUIDs org.opensearch.common.UUIDs used on opensource projects

Example 1 with UUIDs

use of org.opensearch.common.UUIDs in project OpenSearch by opensearch-project.

the class PersistedClusterStateServiceTests method testFailsOnMismatchedCommittedClusterUUIDs.

public void testFailsOnMismatchedCommittedClusterUUIDs() throws IOException {
    final Path[] dataPaths1 = createDataPaths();
    final Path[] dataPaths2 = createDataPaths();
    final Path[] combinedPaths = Stream.concat(Arrays.stream(dataPaths1), Arrays.stream(dataPaths2)).toArray(Path[]::new);
    final String clusterUUID1 = UUIDs.randomBase64UUID(random());
    final String clusterUUID2 = UUIDs.randomBase64UUID(random());
    // first establish consistent node IDs and write initial metadata
    try (NodeEnvironment nodeEnvironment = newNodeEnvironment(combinedPaths)) {
        try (Writer writer = newPersistedClusterStateService(nodeEnvironment).createWriter()) {
            final ClusterState clusterState = loadPersistedClusterState(newPersistedClusterStateService(nodeEnvironment));
            assertFalse(clusterState.metadata().clusterUUIDCommitted());
            writer.writeFullStateAndCommit(0L, clusterState);
        }
    }
    try (NodeEnvironment nodeEnvironment = newNodeEnvironment(dataPaths1)) {
        try (Writer writer = newPersistedClusterStateService(nodeEnvironment).createWriter()) {
            final ClusterState clusterState = loadPersistedClusterState(newPersistedClusterStateService(nodeEnvironment));
            assertFalse(clusterState.metadata().clusterUUIDCommitted());
            writer.writeFullStateAndCommit(0L, ClusterState.builder(clusterState).metadata(Metadata.builder(clusterState.metadata()).clusterUUID(clusterUUID1).clusterUUIDCommitted(true).version(1)).incrementVersion().build());
        }
    }
    try (NodeEnvironment nodeEnvironment = newNodeEnvironment(dataPaths2)) {
        try (Writer writer = newPersistedClusterStateService(nodeEnvironment).createWriter()) {
            final ClusterState clusterState = loadPersistedClusterState(newPersistedClusterStateService(nodeEnvironment));
            assertFalse(clusterState.metadata().clusterUUIDCommitted());
            writer.writeFullStateAndCommit(0L, ClusterState.builder(clusterState).metadata(Metadata.builder(clusterState.metadata()).clusterUUID(clusterUUID2).clusterUUIDCommitted(true).version(1)).incrementVersion().build());
        }
    }
    try (NodeEnvironment nodeEnvironment = newNodeEnvironment(combinedPaths)) {
        final String message = expectThrows(IllegalStateException.class, () -> newPersistedClusterStateService(nodeEnvironment).loadBestOnDiskState()).getMessage();
        assertThat(message, allOf(containsString("mismatched cluster UUIDs in metadata"), containsString(clusterUUID1), containsString(clusterUUID2)));
        assertTrue("[" + message + "] should match " + Arrays.toString(dataPaths1), Arrays.stream(dataPaths1).anyMatch(p -> message.contains(p.toString())));
        assertTrue("[" + message + "] should match " + Arrays.toString(dataPaths2), Arrays.stream(dataPaths2).anyMatch(p -> message.contains(p.toString())));
    }
}