org.elasticsearch.xpack.core.ilm.ReadOnlyStep Maven / Gradle / Ivy

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */
package org.elasticsearch.xpack.core.ilm;

import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.readonly.AddIndexBlockAction;
import org.elasticsearch.action.admin.indices.readonly.AddIndexBlockRequest;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.ClusterStateObserver;
import org.elasticsearch.cluster.metadata.IndexMetadata;

import static org.elasticsearch.cluster.metadata.IndexMetadata.APIBlock.WRITE;

/**
 * Marks an index as read-only, by setting a {@link org.elasticsearch.cluster.metadata.IndexMetadata.APIBlock#WRITE } block on the index.
 */
public class ReadOnlyStep extends AsyncActionStep {
    public static final String NAME = "readonly";

    public ReadOnlyStep(StepKey key, StepKey nextStepKey, Client client) {
        super(key, nextStepKey, client);
    }

    @Override
    public void performAction(IndexMetadata indexMetadata, ClusterState currentState, ClusterStateObserver observer, Listener listener) {
        getClient().admin().indices().execute(AddIndexBlockAction.INSTANCE,
            new AddIndexBlockRequest(WRITE, indexMetadata.getIndex().getName()).masterNodeTimeout(getMasterTimeout(currentState)),
            ActionListener.wrap(response -> {
                if (response.isAcknowledged() == false) {
                    throw new ElasticsearchException("read only add block index request failed to be acknowledged");
                }
                listener.onResponse(true);
            }, listener::onFailure));
    }

    @Override
    public boolean isRetryable() {
        return true;
    }
}