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 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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package org.elasticsearch.indices.state;

import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.action.admin.indices.close.TransportCloseIndexAction;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ESIntegTestCase;
import org.junit.After;

import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;

public class CloseIndexDisableCloseAllIT extends ESIntegTestCase {

    @After
    public void afterTest() {
        Settings settings = Settings.builder().put(TransportCloseIndexAction.CLUSTER_INDICES_CLOSE_ENABLE_SETTING.getKey(), (String)null)
                .build();
        assertAcked(client().admin().cluster().prepareUpdateSettings().setTransientSettings(settings));
    }

    public void testCloseAllRequiresName() {
        createIndex("test1", "test2", "test3");

        assertAcked(client().admin().indices().prepareClose("test3", "test2"));
        assertIndexIsClosed("test2", "test3");

        // disable closing
        createIndex("test_no_close");
        Settings settings = Settings.builder().put(TransportCloseIndexAction.CLUSTER_INDICES_CLOSE_ENABLE_SETTING.getKey(), false).build();
        assertAcked(client().admin().cluster().prepareUpdateSettings().setTransientSettings(settings));

        IllegalStateException illegalStateException = expectThrows(IllegalStateException.class,
                () -> client().admin().indices().prepareClose("test_no_close").get());
        assertEquals(illegalStateException.getMessage(),
                "closing indices is disabled - set [cluster.indices.close.enable: true] to enable it. NOTE: closed indices still " +
                        "consume a significant amount of diskspace");
    }

    private void assertIndexIsClosed(String... indices) {
        ClusterStateResponse clusterStateResponse = client().admin().cluster().prepareState().execute().actionGet();
        for (String index : indices) {
            IndexMetaData indexMetaData = clusterStateResponse.getState().metaData().indices().get(index);
            assertNotNull(indexMetaData);
            assertEquals(IndexMetaData.State.CLOSE, indexMetaData.getState());
        }
    }
}