package de.micromata.borgbutler;
|
|
import de.micromata.borgbutler.config.BorgRepoConfig;
|
import de.micromata.borgbutler.config.Configuration;
|
import de.micromata.borgbutler.config.ConfigurationHandler;
|
import de.micromata.borgbutler.config.Definitions;
|
import de.micromata.borgbutler.data.Archive;
|
import de.micromata.borgbutler.data.Repository;
|
import de.micromata.borgbutler.json.JsonUtils;
|
import de.micromata.borgbutler.json.borg.*;
|
import de.micromata.borgbutler.utils.DateUtils;
|
import org.apache.commons.collections4.CollectionUtils;
|
import org.apache.commons.exec.CommandLine;
|
import org.apache.commons.exec.DefaultExecutor;
|
import org.apache.commons.exec.PumpStreamHandler;
|
import org.apache.commons.exec.environment.EnvironmentUtils;
|
import org.apache.commons.io.output.ByteArrayOutputStream;
|
import org.apache.commons.lang3.ObjectUtils;
|
import org.apache.commons.lang3.StringUtils;
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
|
import java.io.IOException;
|
import java.io.OutputStream;
|
import java.time.LocalDateTime;
|
import java.util.ArrayList;
|
import java.util.List;
|
import java.util.Map;
|
import java.util.Scanner;
|
|
public class BorgCommands {
|
private static Logger log = LoggerFactory.getLogger(BorgCommands.class);
|
|
/**
|
* Executes borg info repository.
|
*
|
* @param repoConfig
|
* @return Parsed repo config returned by Borg command (without archives).
|
*/
|
public static Repository info(BorgRepoConfig repoConfig) {
|
String json = execute(repoConfig, "info", repoConfig.getRepo(), "--json");
|
if (json == null) {
|
return null;
|
}
|
BorgRepoInfo repoInfo = JsonUtils.fromJson(BorgRepoInfo.class, json);
|
BorgRepository borgRepository = repoInfo.getRepository();
|
Repository repository = new Repository()
|
.setId(borgRepository.getId())
|
.setName(repoConfig.getRepo())
|
.setDisplayName(repoConfig.getDisplayName())
|
.setLastModified(DateUtils.format(borgRepository.getLastModified()))
|
.setLocation(borgRepository.getLocation())
|
.setCache(repoInfo.getCache())
|
.setEncryption(repoInfo.getEncryption())
|
.setSecurityDir(repoInfo.getSecurityDir())
|
.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
|
return repository;
|
}
|
|
/**
|
* Executes borg list repository.
|
* The given repository will be cloned and archives will be added.
|
* The field {@link Repository#getLastModified()} of masterRepository will be updated.
|
*
|
* @param repoConfig The repo config associated to the masterRepository. Needed for the borg call.
|
* @param masterRepository Repository without archives.
|
* @return Parsed repo config returned by Borg command including archives.
|
*/
|
public static Repository list(BorgRepoConfig repoConfig, Repository masterRepository) {
|
String json = execute(repoConfig, "list", masterRepository.getName(), "--json");
|
if (json == null) {
|
log.error("Can't load archives from repo '" + masterRepository.getName() + "'.");
|
return null;
|
}
|
BorgRepoList repoList = JsonUtils.fromJson(BorgRepoList.class, json);
|
if (repoList == null) {
|
log.error("Can't load archives from repo '" + masterRepository.getName() + "'.");
|
return null;
|
}
|
masterRepository.setLastModified(DateUtils.format(repoList.getRepository().getLastModified()))
|
.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
|
Repository repository = ObjectUtils.clone(masterRepository)
|
.addAll(repoList.getArchives());
|
if (repository.getArchives() != null) {
|
for (BorgArchive archive : repository.getArchives()) {
|
// Reformat Borg date strings.
|
archive.setStart(DateUtils.format(archive.getStart()));
|
archive.setTime(DateUtils.format(archive.getTime()));
|
}
|
}
|
return repository;
|
}
|
|
/**
|
* Executes borg info repository::archive.
|
* The given repository will be cloned and assigned to the returned archive.
|
* The field {@link Repository#getLastModified()} of masterRepository will be updated.
|
*
|
* @param repoConfig The repo config associated to the masterRepository. Needed for the borg call.
|
* @param archiveName The name of the archive returned by {@link BorgArchive#getArchive()}
|
* @param masterRepository Repository without archives.
|
* @return Parsed repo config returned by Borg command including archives.
|
*/
|
public static Archive info(BorgRepoConfig repoConfig, String archiveName, Repository masterRepository) {
|
String archiveFullname = repoConfig.getRepo() + "::" + archiveName;
|
String json = execute(repoConfig, "info", archiveFullname, "--json");
|
if (json == null) {
|
return null;
|
}
|
BorgArchiveInfo archiveInfo = JsonUtils.fromJson(BorgArchiveInfo.class, json);
|
if (archiveInfo == null) {
|
log.error("Archive '" + archiveFullname + "' not found.");
|
return null;
|
}
|
masterRepository.setLastModified(DateUtils.format(archiveInfo.getRepository().getLastModified()))
|
.setLastCacheRefresh(DateUtils.format(LocalDateTime.now()));
|
Repository repository = ObjectUtils.clone(masterRepository);
|
Archive archive = new Archive()
|
.setCache(archiveInfo.getCache())
|
.setEncryption(archiveInfo.getEncryption())
|
.setRepository(repository);
|
if (CollectionUtils.isEmpty(archiveInfo.getArchives())) {
|
log.error("The returned borg archive contains no archive infos: " + json);
|
return null;
|
}
|
if (archiveInfo.getArchives().size() > 1 ) {
|
log.warn("Archive '" + archiveFullname + "' contains more than one archives!? (Using only first.)");
|
}
|
BorgArchive2 borgArchive2 = archiveInfo.getArchives().get(0);
|
archive.setStart(DateUtils.format(borgArchive2.getStart()))
|
.setChunkerParams(borgArchive2.getChunkerParams())
|
.setCommandLine(borgArchive2.getCommandLine())
|
.setComment(borgArchive2.getComment())
|
.setStats(borgArchive2.getStats());
|
return archive;
|
}
|
|
public static List<BorgFilesystemItem> listArchiveContent(BorgRepoConfig repoConfig, String archiveId) {
|
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
|
execute(outputStream, repoConfig, "list", repoConfig.getRepo() + "::" + archiveId,
|
"--json-lines");
|
String response = outputStream.toString(Definitions.STD_CHARSET);
|
List<BorgFilesystemItem> content = new ArrayList<>();
|
try (Scanner scanner = new Scanner(response)) {
|
while (scanner.hasNextLine()) {
|
String json = scanner.nextLine();
|
BorgFilesystemItem item = JsonUtils.fromJson(BorgFilesystemItem.class, json);
|
content.add(item);
|
}
|
}
|
return content;
|
}
|
|
private static String execute(BorgRepoConfig repoConfig, String command, String repoOrArchive, String... args) {
|
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
|
execute(outputStream, repoConfig, command, repoOrArchive, args);
|
String json = outputStream.toString(Definitions.STD_CHARSET);
|
return json;
|
}
|
|
private static void execute(OutputStream outputStream, BorgRepoConfig repoConfig, String command, String repoOrArchive, String... args) {
|
CommandLine cmdLine = new CommandLine(ConfigurationHandler.getConfiguration().getBorgCommand());
|
cmdLine.addArgument(command);
|
for (String arg : args) {
|
if (arg != null)
|
cmdLine.addArgument(arg);
|
}
|
cmdLine.addArgument(repoOrArchive);
|
DefaultExecutor executor = new DefaultExecutor();
|
//executor.setExitValue(2);
|
//ExecuteWatchdog watchdog = new ExecuteWatchdog(60000);
|
//executor.setWatchdog(watchdog);
|
// ExecuteResultHandler handler = new DefaultExecuteResultHandler();
|
PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
|
executor.setStreamHandler(streamHandler);
|
String borgCall = cmdLine.getExecutable() + " " + StringUtils.join(cmdLine.getArguments(), " ");
|
log.info("Executing '" + borgCall + "'...");
|
try {
|
executor.execute(cmdLine, getEnvironment(repoConfig));
|
} catch (Exception ex) {
|
log.error("Error while creating environment for borg call '" + borgCall + "': " + ex.getMessage(), ex);
|
log.error("Response: " + StringUtils.abbreviate(outputStream.toString(), 10000));
|
return;
|
}
|
}
|
|
|
private static Map<String, String> getEnvironment(BorgRepoConfig repoConfig) throws IOException {
|
Configuration config = ConfigurationHandler.getConfiguration();
|
Map<String, String> env = EnvironmentUtils.getProcEnvironment();
|
addEnvironmentVariable(env, "BORG_REPO", repoConfig.getRepo());
|
addEnvironmentVariable(env, "BORG_RSH", repoConfig.getRsh());
|
addEnvironmentVariable(env, "BORG_PASSPHRASE", repoConfig.getPassphrase());
|
String passcommand = repoConfig.getPasswordCommand();
|
if (StringUtils.isNotBlank(passcommand)) {
|
// For MacOS BORG_PASSCOMMAND="security find-generic-password -a $USER -s borg-passphrase -w"
|
passcommand = passcommand.replace("$USER", System.getProperty("user.name"));
|
addEnvironmentVariable(env, "BORG_PASSCOMMAND", passcommand);
|
}
|
return env;
|
}
|
|
private static void addEnvironmentVariable(Map<String, String> env, String name, String value) {
|
if (StringUtils.isNotBlank(value)) {
|
EnvironmentUtils.addVariableToEnvironment(env, name + "=" + value);
|
}
|
}
|
}
|
