org.elasticsearch.plugin.readonlyrest.utils.containers.MultiContainer.java Source code

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Here is the source code for org.elasticsearch.plugin.readonlyrest.utils.containers.MultiContainer.java

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/*
 *    This file is part of ReadonlyREST.
 *
 *    ReadonlyREST is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    ReadonlyREST is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with ReadonlyREST.  If not, see http://www.gnu.org/licenses/
 */
package org.elasticsearch.plugin.readonlyrest.utils.containers;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import org.testcontainers.containers.FailureDetectingExternalResource;
import org.testcontainers.containers.GenericContainer;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Supplier;
import java.util.stream.Collectors;

public class MultiContainer extends FailureDetectingExternalResource {

    private ImmutableMap<String, NamedContainer> containers;

    public MultiContainer(Map<String, Supplier<GenericContainer<?>>> containerCreators) {
        List<NamedContainer> namedContainers = containerCreators.entrySet().stream()
                .map(entry -> new NamedContainer(entry.getKey(), entry.getValue().get()))
                .collect(Collectors.toList());
        this.containers = Maps.uniqueIndex(namedContainers, NamedContainer::getName);
        namedContainers.forEach(c -> c.getContainer().start());
    }

    public <T extends GenericContainer<?>> T get(String name, Class<T> clazz) {
        return clazz.cast(containers.get(name).getContainer());
    }

    public ImmutableList<NamedContainer> containers() {
        return containers.values().asList();
    }

    public static class Builder {
        private final Map<String, Supplier<GenericContainer<?>>> containers = new HashMap<>();

        public Builder add(String name, Supplier<GenericContainer<?>> containerCreator) {
            containers.put(name, containerCreator);
            return this;
        }

        public MultiContainer build() {
            return new MultiContainer(containers);
        }
    }

    public static class NamedContainer {
        private final String name;
        private final GenericContainer<?> container;

        private NamedContainer(String name, GenericContainer<?> container) {
            this.name = name;
            this.container = container;
        }

        public String getName() {
            return name;
        }

        public GenericContainer<?> getContainer() {
            return container;
        }

        public Optional<String> getIpAddress() {
            return Optional.ofNullable(container.getContainerInfo())
                    .map(info -> info.getNetworkSettings().getNetworks().get("bridge").getIpAddress());
        }
    }
}