services/provisioning-service/src/main/java/com/epam/datalab/backendapi/resources/DockerResource.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 * specific language governing permissions and limitations
 * under the License.
 */

package com.epam.datalab.backendapi.resources;

import com.epam.datalab.auth.UserInfo;
import com.epam.datalab.backendapi.ProvisioningServiceApplicationConfiguration;
import com.epam.datalab.backendapi.core.Directories;
import com.epam.datalab.backendapi.core.MetadataHolder;
import com.epam.datalab.backendapi.core.commands.CommandBuilder;
import com.epam.datalab.backendapi.core.commands.DockerCommands;
import com.epam.datalab.backendapi.core.commands.ICommandExecutor;
import com.epam.datalab.backendapi.core.commands.RunDockerCommand;
import com.epam.datalab.dto.imagemetadata.ImageMetadataDTO;
import com.epam.datalab.dto.imagemetadata.ImageType;
import com.google.inject.Inject;
import io.dropwizard.auth.Auth;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import java.util.Set;

@Path("/docker")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public class DockerResource implements DockerCommands {
    private static final Logger LOGGER = LoggerFactory.getLogger(DockerResource.class);

    @Inject
    private ProvisioningServiceApplicationConfiguration configuration;
    @Inject
    private MetadataHolder metadataHolder;
    @Inject
    private ICommandExecutor commandExecutor;
    @Inject
    private CommandBuilder commandBuilder;

    @GET
    @Path("{type}")
    public Set<ImageMetadataDTO> getDockerImages(@Auth UserInfo ui, @PathParam("type") String type) {
        LOGGER.debug("docker statuses asked for {}", type);
        LOGGER.info("meta {}", metadataHolder);
        return metadataHolder
                .getMetadata(ImageType.valueOf(type.toUpperCase()));
    }

    @Path("/run")
    @POST
    public String run(@Auth UserInfo ui, String image) {
        LOGGER.debug("run docker image {}", image);
        String uuid = DockerCommands.generateUUID();
        commandExecutor.executeAsync(
                ui.getName(),
                uuid,
                new RunDockerCommand()
                        .withName(nameContainer("image", "runner"))
                        .withVolumeForRootKeys(configuration.getKeyDirectory())
                        .withVolumeForResponse(configuration.getImagesDirectory())
                        .withRequestId(uuid)
                        .withDryRun()
                        .withActionRun(image)
                        .toCMD()
        );
        return uuid;
    }

    public String getResourceType() {
        return Directories.NOTEBOOK_LOG_DIRECTORY;
    }
}