Examples with RepositoriesMetadata org.opensearch.cluster.metadata.RepositoriesMetadata used on opensource projects

Example 16 with RepositoriesMetadata

use of org.opensearch.cluster.metadata.RepositoriesMetadata in project OpenSearch by opensearch-project.

the class TransportGetRepositoriesAction method masterOperation.

@Override
protected void masterOperation(final GetRepositoriesRequest request, ClusterState state, final ActionListener<GetRepositoriesResponse> listener) {
    Metadata metadata = state.metadata();
    RepositoriesMetadata repositories = metadata.custom(RepositoriesMetadata.TYPE);
    if (request.repositories().length == 0 || (request.repositories().length == 1 && "_all".equals(request.repositories()[0]))) {
        if (repositories != null) {
            listener.onResponse(new GetRepositoriesResponse(repositories));
        } else {
            listener.onResponse(new GetRepositoriesResponse(new RepositoriesMetadata(Collections.emptyList())));
        }
    } else {
        if (repositories != null) {
            // to keep insertion order
            Set<String> repositoriesToGet = new LinkedHashSet<>();
            for (String repositoryOrPattern : request.repositories()) {
                if (Regex.isSimpleMatchPattern(repositoryOrPattern) == false) {
                    repositoriesToGet.add(repositoryOrPattern);
                } else {
                    for (RepositoryMetadata repository : repositories.repositories()) {
                        if (Regex.simpleMatch(repositoryOrPattern, repository.name())) {
                            repositoriesToGet.add(repository.name());
                        }
                    }
                }
            }
            List<RepositoryMetadata> repositoryListBuilder = new ArrayList<>();
            for (String repository : repositoriesToGet) {
                RepositoryMetadata repositoryMetadata = repositories.repository(repository);
                if (repositoryMetadata == null) {
                    listener.onFailure(new RepositoryMissingException(repository));
                    return;
                }
                repositoryListBuilder.add(repositoryMetadata);
            }
            listener.onResponse(new GetRepositoriesResponse(new RepositoriesMetadata(repositoryListBuilder)));
        } else {
            listener.onFailure(new RepositoryMissingException(request.repositories()[0]));
        }
    }
}