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.json.JsonUtils;
|
import de.micromata.borgbutler.json.borg.*;
|
import org.apache.commons.exec.*;
|
import org.apache.commons.exec.environment.EnvironmentUtils;
|
import org.apache.commons.io.IOUtils;
|
import org.apache.commons.io.output.ByteArrayOutputStream;
|
import org.apache.commons.lang3.StringUtils;
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
|
import java.io.FileWriter;
|
import java.io.IOException;
|
import java.io.OutputStream;
|
import java.io.StringReader;
|
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.
|
*/
|
public static RepoInfo info(BorgRepoConfig repoConfig) {
|
String json = execute(repoConfig, "info", repoConfig.getRepo(), "--json");
|
if (json == null) {
|
return null;
|
}
|
RepoInfo repoInfo = JsonUtils.fromJson(RepoInfo.class, json);
|
repoInfo.setOriginalJson(json);
|
return repoInfo;
|
}
|
|
/**
|
* Executes borg info archive
|
*
|
* @param repoConfig
|
* @param archive
|
* @return
|
*/
|
public static ArchiveInfo info(BorgRepoConfig repoConfig, String archive) {
|
String json = execute(repoConfig, "info", repoConfig.getRepo() + "::" + archive, "--json");
|
if (json == null) {
|
return null;
|
}
|
ArchiveInfo archiveList = JsonUtils.fromJson(ArchiveInfo.class, json);
|
archiveList.setOriginalJson(json);
|
return archiveList;
|
}
|
|
public static RepoList list(BorgRepoConfig repoConfig) {
|
String json = execute(repoConfig, "list", repoConfig.getRepo(), "--json");
|
if (json == null) {
|
return null;
|
}
|
RepoList repoList = JsonUtils.fromJson(RepoList.class, json);
|
repoList.setOriginalJson(json);
|
return repoList;
|
}
|
|
public static List<FilesystemItem> list(BorgRepoConfig repoConfig, Archive archive) {
|
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
|
execute(outputStream, repoConfig, "list", repoConfig.getRepo() + "::" + archive.getArchive(),
|
"--json-lines");
|
String response = outputStream.toString(Definitions.STD_CHARSET);
|
try {
|
IOUtils.copy(new StringReader(response), new FileWriter("response.json"));
|
}catch (IOException ex) {
|
|
}
|
List<FilesystemItem> content = new ArrayList<>();
|
try (Scanner scanner = new Scanner(response)) {
|
while (scanner.hasNextLine()) {
|
String json = scanner.nextLine();
|
FilesystemItem item = JsonUtils.fromJson(FilesystemItem.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) {
|
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);
|
}
|
}
|
}
|
