com.northernwall.hadrian.handlers.module.ModuleCreateHandler Maven / Gradle / Ivy

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/*
 * Copyright 2014 Richard Thurston.
 *
 * Licensed 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.northernwall.hadrian.handlers.module;

import com.google.gson.Gson;
import com.northernwall.hadrian.handlers.BasicHandler;
import com.northernwall.hadrian.config.ConfigHelper;
import com.northernwall.hadrian.config.Const;
import com.northernwall.hadrian.access.AccessHelper;
import com.northernwall.hadrian.db.DataAccess;
import com.northernwall.hadrian.db.SearchResult;
import com.northernwall.hadrian.config.Config;
import com.northernwall.hadrian.domain.Module;
import com.northernwall.hadrian.domain.ModuleType;
import com.northernwall.hadrian.domain.Operation;
import com.northernwall.hadrian.domain.Service;
import com.northernwall.hadrian.domain.Team;
import com.northernwall.hadrian.domain.Type;
import com.northernwall.hadrian.domain.User;
import com.northernwall.hadrian.domain.WorkItem;
import com.northernwall.hadrian.workItem.WorkItemProcessor;
import com.northernwall.hadrian.handlers.module.dao.PostModuleData;
import com.northernwall.hadrian.handlers.service.helper.FolderHelper;
import com.northernwall.hadrian.handlers.routing.Http400BadRequestException;
import com.northernwall.hadrian.handlers.routing.Http405NotAllowedException;
import com.northernwall.hadrian.schedule.ScheduleRunner;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.server.Request;

/**
 *
 * @author Richard Thurston
 */
public class ModuleCreateHandler extends BasicHandler {

    private final AccessHelper accessHelper;
    private final ConfigHelper configHelper;
    private final WorkItemProcessor workItemProcessor;
    private final FolderHelper folderHelper;

    public ModuleCreateHandler(DataAccess dataAccess, Gson gson, AccessHelper accessHelper, ConfigHelper configHelper, WorkItemProcessor workItemProcessor, FolderHelper folderHelper) {
        super(dataAccess, gson);
        this.accessHelper = accessHelper;
        this.configHelper = configHelper;
        this.workItemProcessor = workItemProcessor;
        this.folderHelper = folderHelper;
    }

    @Override
    public void handle(String target, Request request, HttpServletRequest httpRequest, HttpServletResponse response) throws IOException, ServletException {
        PostModuleData data = fromJson(request, PostModuleData.class);
        Service service = getService(data.serviceId, null);
        Team team = getTeam(service.getTeamId(), null);
        User user = accessHelper.checkIfUserCanModify(request, team, "add a module");

        Config config = configHelper.getConfig();
        if (!config.artifactTypes.contains(data.artifactType)) {
            throw new Http400BadRequestException("Unknown artifact");
        }

        if (service.getServiceType().equals(Const.SERVICE_TYPE_SHARED_LIBRARY)) {
            data.moduleType = ModuleType.Library;
        }

        switch (data.moduleType) {
            case Library:
                data.hostAbbr = "";
                data.versionUrl = "";
                data.availabilityUrl = "";
                data.runAs = "";
                data.deploymentFolder = "";
                data.dataFolder = "";
                data.logsFolder = "";
                data.startCmdLine = "";
                data.startTimeOut = 0;
                data.stopCmdLine = "";
                data.stopTimeOut = 0;
                break;
            case Simulator:
                data.outbound = "No";
                data.smokeTestUrl = "";
            case Deployable:
                ModuleModifyHandler.checkHostAbbr(data.hostAbbr);

                if (!config.platforms.contains(data.platform)) {
                    throw new Http400BadRequestException("Unknown operating platform");
                }

                checkRange(data.sizeCpu, config.minCpu, config.maxCpu, "CPU size");
                checkRange(data.sizeMemory, config.minMemory, config.maxMemory, "memory size");
                checkRange(data.sizeStorage, config.minStorage, config.maxStorage, "storage size");

                if (service.isDoDeploys()) {
                    data.deploymentFolder = folderHelper.scrubFolder(data.deploymentFolder, "Deployment", false);
                    data.logsFolder = folderHelper.scrubFolder(data.logsFolder, "Logs", false);
                    data.dataFolder = folderHelper.scrubFolder(data.dataFolder, "Data", true);

                    folderHelper.isWhiteListed(data.deploymentFolder, "Deployment", data.runAs);

                    folderHelper.isWhiteListed(data.logsFolder, "Logs", data.runAs);
                    folderHelper.isSubFolder(data.logsFolder, "Logs", data.deploymentFolder, "Deployment");

                    if (data.dataFolder != null
                            && !data.dataFolder.isEmpty()) {
                        folderHelper.isWhiteListed(data.dataFolder, "Data", data.runAs);
                        folderHelper.isSubFolder(data.dataFolder, "Data", data.deploymentFolder, "Deployment");
                    }
                } else {
                    data.deploymentFolder = null;
                    data.logsFolder = null;
                    data.dataFolder = null;
                }

                ModuleModifyHandler.checkEnvironmentNames(data.environmentNames);
                break;
        }

        List modules = getDataAccess().getModules(data.serviceId);
        if (modules != null && !modules.isEmpty()) {
            for (Module temp : modules) {
                if (temp.getGitFolder() == null || temp.getGitFolder().isEmpty()) {
                    throw new Http400BadRequestException("Can not create new module while module " + temp.getModuleName() + " is at the git folder root.");
                }
                if (data.moduleName.equalsIgnoreCase(temp.getModuleName())) {
                    throw new Http400BadRequestException("There already exists a module named " + data.moduleName);
                }
                String gitFolder = "/" + data.gitFolder.toUpperCase() + "/";
                String tempGitFolder = "/" + temp.getGitFolder().toUpperCase() + "/";
                if (gitFolder.equals(tempGitFolder)) {
                    throw new Http400BadRequestException("Error there already exists a module in folder " + data.gitFolder);
                }
                if (gitFolder.startsWith(tempGitFolder)) {
                    throw new Http400BadRequestException("A Module's git folder may not be a sub folder of another module");
                }
                if (tempGitFolder.startsWith(gitFolder)) {
                    throw new Http400BadRequestException("A Module's git folder may not be a sub folder of another module");
                }
            }
        }

        if (data.gitFolder == null) {
            data.gitFolder = "";
        }
        if (data.gitFolder.startsWith("/")) {
            data.gitFolder = data.gitFolder.substring(1);
        }
        if (data.gitFolder.endsWith(".")) {
            data.gitFolder = data.gitFolder.substring(0, data.gitFolder.length() - 1);
        }
        if (data.gitFolder.endsWith("/")) {
            data.gitFolder = data.gitFolder.substring(0, data.gitFolder.length() - 1);
        }
        if (data.gitFolder.isEmpty() && modules != null && !modules.isEmpty()) {
            throw new Http400BadRequestException("This module can not be at the git folder root, if there is another module");
        }

        if (service.getMavenGroupId() != null
                && !service.getMavenGroupId().isEmpty()
                && data.mavenArtifactId != null
                && !data.mavenArtifactId.isEmpty()) {
            SearchResult searchResult = getDataAccess().doSearch(
                    Const.SEARCH_SPACE_MAVEN_GROUP_ARTIFACT,
                    service.getMavenGroupId() + "." + data.mavenArtifactId);
            if (searchResult != null) {
                throw new Http405NotAllowedException("A service and module already exists with this maven group and artifact");
            }
        }

        try {
            if (data.smokeTestCron != null
                    && !data.smokeTestCron.isEmpty()) {
                ScheduleRunner.parseCron(data.smokeTestCron);
            }
        } catch (Exception e) {
            throw new Http400BadRequestException("Illegal cron, " + e.getMessage());
        }

        Module module = new Module(
                data.moduleName,
                data.serviceId,
                data.moduleType,
                data.gitFolder,
                data.mavenArtifactId,
                data.artifactType,
                data.artifactSuffix,
                data.outbound,
                data.hostAbbr.toLowerCase(),
                data.platform,
                data.sizeCpu,
                data.sizeMemory,
                data.sizeStorage,
                data.versionUrl,
                data.availabilityUrl,
                data.smokeTestUrl,
                data.smokeTestCron,
                data.runAs,
                data.deploymentFolder,
                data.dataFolder,
                data.logsFolder,
                data.logsRetention,
                data.logCollection,
                data.startCmdLine,
                data.startTimeOut,
                data.stopCmdLine,
                data.stopTimeOut,
                data.configName,
                data.environmentNames);
        module.cleanEnvironmentNames(null);

        getDataAccess().saveModule(module);
        if (service.getMavenGroupId() != null
                && !service.getMavenGroupId().isEmpty()
                && module.getMavenArtifactId() != null
                && !module.getMavenArtifactId().isEmpty()) {
            getDataAccess().insertSearch(
                    Const.SEARCH_SPACE_MAVEN_GROUP_ARTIFACT,
                    service.getMavenGroupId() + "." + module.getMavenArtifactId(),
                    service.getServiceId(),
                    module.getModuleId(),
                    null);
        }

        WorkItem workItem = new WorkItem(Type.module, Operation.create, user, team, service, module, null, null);
        for (Module temp : modules) {
            workItem.addModule(temp);
        }
        workItemProcessor.processWorkItem(workItem);

        response.setStatus(200);
        request.setHandled(true);
    }

    private void checkRange(int value, int min, int max, String text) throws Http400BadRequestException {
        if (value < min) {
            throw new Http400BadRequestException("Requested " + text + " is less than allowed");
        }
        if (value > max) {
            throw new Http400BadRequestException("Requested " + text + " is greater than allowed");
        }
    }

}