package de.micromata.borgbutler.server.rest;
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import de.micromata.borgbutler.BorgJob;
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import de.micromata.borgbutler.BorgQueueExecutor;
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import de.micromata.borgbutler.config.BorgRepoConfig;
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import de.micromata.borgbutler.config.ConfigurationHandler;
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import de.micromata.borgbutler.jobs.AbstractJob;
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import de.micromata.borgbutler.json.JsonUtils;
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import de.micromata.borgbutler.json.borg.ProgressInfo;
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import de.micromata.borgbutler.server.rest.queue.JsonJob;
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import de.micromata.borgbutler.server.rest.queue.JsonJobQueue;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import java.util.ArrayList;
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import java.util.List;
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@Path("/jobs")
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public class JobsRest {
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private static Logger log = LoggerFactory.getLogger(JobsRest.class);
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private static List<JsonJobQueue> testList;
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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/**
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* @param testMode If true, then a test job list is created.
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* @param prettyPrinter If true then the json output will be in pretty format.
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* @return Job queues as json string.
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* @see JsonUtils#toJson(Object, boolean)
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*/
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public String getJobs(@QueryParam("testMode") boolean testMode, @QueryParam("prettyPrinter") boolean prettyPrinter) {
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if (testMode) {
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// Return dynamic test queue:
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return returnTestList(prettyPrinter);
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}
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BorgQueueExecutor borgQueueExecutor = BorgQueueExecutor.getInstance();
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List<JsonJobQueue> queueList = new ArrayList<>();
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for (String repo : borgQueueExecutor.getRepos()) {
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BorgRepoConfig repoConfig = ConfigurationHandler.getConfiguration().getRepoConfig(repo);
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String title = repoConfig != null ? repoConfig.getDisplayName() : repo;
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List<BorgJob<?>> borgJobList = borgQueueExecutor.getJobListCopy(repo);
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if (CollectionUtils.isEmpty(borgJobList))
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continue;
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JsonJobQueue queue = new JsonJobQueue()
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.setRepo(title);
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queueList.add(queue);
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queue.setJobs(new ArrayList<>(borgJobList.size()));
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for (BorgJob<?> borgJob : borgJobList) {
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JsonJob job = new JsonJob(borgJob);
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queue.getJobs().add(job);
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}
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}
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return JsonUtils.toJson(queueList, prettyPrinter);
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}
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@Path("/cancel")
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@GET
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/**
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* @param uniqueJobNumberString The id of the job to cancel.
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*/
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public void cancelJob(@QueryParam("uniqueJobNumber") String uniqueJobNumberString) {
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Long uniqueJobNumber = null;
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try {
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uniqueJobNumber = Long.parseLong(uniqueJobNumberString);
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} catch (NumberFormatException ex) {
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log.error("Can't cancel job, because unique job number couln't be parsed (long value expected): " + uniqueJobNumberString);
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return;
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}
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BorgQueueExecutor.getInstance().cancelJob(uniqueJobNumber);
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}
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/**
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* Only for test purposes and development.
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*
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* @param prettyPrinter
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* @return
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*/
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private String returnTestList(boolean prettyPrinter) {
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if (testList == null) {
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testList = new ArrayList<>();
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long uniqueJobNumber = 100000;
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JsonJobQueue queue = new JsonJobQueue().setRepo("My Computer");
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addTestJob(queue, "info", "my-macbook", 0, 2342)
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.setUniqueJobNumber(uniqueJobNumber++);
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addTestJob(queue, "list", "my-macbook", -1, -1)
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.setUniqueJobNumber(uniqueJobNumber++);
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testList.add(queue);
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queue = new JsonJobQueue().setRepo("My Server");
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addTestJob(queue, "list", "my-server", 0, 1135821)
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.setUniqueJobNumber(uniqueJobNumber++);
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addTestJob(queue, "info", "my-server", -1, -1)
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.setUniqueJobNumber(uniqueJobNumber++);
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testList.add(queue);
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} else {
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for (JsonJobQueue jobQueue : testList) {
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for (JsonJob job : jobQueue.getJobs()) {
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if (job.getStatus() != AbstractJob.Status.RUNNING) continue;
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long current = job.getProgressInfo().getCurrent();
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long total = job.getProgressInfo().getTotal();
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if (StringUtils.startsWith(job.getProgressInfo().getMessage(), "Calculating")) {
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// Info is a faster operation:
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current += Math.random() * total / 5;
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} else {
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// than get the complete archive file list:
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current += Math.random() * total / 30;
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}
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if (current > total) {
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current = 0; // Reset to beginning.
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}
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job.getProgressInfo().setCurrent(current);
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if (job.getProgressText().startsWith("Calculating")) {
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job.getProgressInfo().setMessage("Calculating statistics... " + Math.round(100 * current / total) + "%");
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}
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job.buildProgressText();
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}
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}
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}
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return JsonUtils.toJson(testList, prettyPrinter);
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}
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/**
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* Only for test purposes and development.
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*
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* @param queue
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* @param operation
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* @param host
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* @param current
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* @param total
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* @return
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*/
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private JsonJob addTestJob(JsonJobQueue queue, String operation, String host, long current, long total) {
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ProgressInfo progressInfo = new ProgressInfo()
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.setCurrent(current)
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.setTotal(total);
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JsonJob job = new JsonJob()
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.setProgressInfo(progressInfo)
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.setStatus(AbstractJob.Status.QUEUED);
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if ("info".equals(operation)) {
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progressInfo.setMessage("Calculating statistics... ");
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job.setDescription("Loading info of archive '" + host + "-2018-12-05T23:10:33' of repo '" + queue.getRepo() + "'.")
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.setCommandLineAsString("borg info --json --log-json --progress ssh://...:23/./backups/" + host + "::" + host + "-2018-12-05T23:10:33");
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} else {
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progressInfo.setMessage("Getting file list... ");
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job.setDescription("Loading list of files of archive '" + host + "-2018-12-05T17:30:38' of repo '" + queue.getRepo() + "'.")
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.setCommandLineAsString("borg list --json-lines ssh://...:23/./backups/" + host + "::" + host + "-2018-12-05T17:30:38");
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}
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job.buildProgressText();
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if (current >= 0) {
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job.setStatus(AbstractJob.Status.RUNNING);
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} else {
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job.setStatus(AbstractJob.Status.QUEUED);
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}
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if (queue.getJobs() == null) {
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queue.setJobs(new ArrayList<>());
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}
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queue.getJobs().add(job);
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return job;
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}
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}
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