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Added automatic backup creation on profile load.

This commit is contained in:
Andrew Lalis 2024-02-04 21:33:49 -05:00
parent 81598fc57c
commit f4d8a4803b
2 changed files with 60 additions and 31 deletions
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32
src/main/java/com/andrewlalis/perfin/control/ProfilesViewController.java
View File

@ -21,16 +21,9 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import static com.andrewlalis.perfin.PerfinApp.router;
@ -129,31 +122,8 @@ public class ProfilesViewController {
}
private void makeBackup(String name) {
log.info("Making backup of profile \"{}\".", name);
final Path profileDir = Profile.getDir(name);
LocalDateTime now = LocalDateTime.now();
Path backupFile = profileDir.resolve(String.format(
"backup_%04d-%02d-%02d_%02d-%02d-%02d.zip",
now.getYear(), now.getMonthValue(), now.getDayOfMonth(),
now.getHour(), now.getMinute(), now.getSecond()
));
try {
ZipOutputStream out = new ZipOutputStream(Files.newOutputStream(backupFile));
Files.walkFileTree(profileDir, new SimpleFileVisitor<>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Path relativeFile = profileDir.relativize(file);
if (relativeFile.toString().startsWith("backup_") || relativeFile.toString().equalsIgnoreCase("database.trace.db")) {
return FileVisitResult.CONTINUE;
}
out.putNextEntry(new ZipEntry(relativeFile.toString()));
byte[] bytes = Files.readAllBytes(file);
out.write(bytes, 0, bytes.length);
out.closeEntry();
return FileVisitResult.CONTINUE;
}
});
out.close();
Path backupFile = ProfileLoader.makeBackup(name);
Popups.message(profilesVBox, "A new backup was created at " + backupFile.toAbsolutePath());
} catch (IOException e) {
Popups.error(profilesVBox, e);

59
src/main/java/com/andrewlalis/perfin/model/ProfileLoader.java
View File

@ -11,11 +11,18 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import static com.andrewlalis.perfin.data.util.FileUtil.copyResourceFile;
@ -69,6 +76,17 @@ public class ProfileLoader {
} catch (IOException e) {
throw new ProfileLoadException("Failed to get profile's schema status.", e);
}
// Check for a recent backup and make one if not present.
LocalDateTime lastBackup = getLastBackupTimestamp(name);
if (lastBackup == null || lastBackup.isBefore(LocalDateTime.now().minusDays(5))) {
try {
makeBackup(name);
} catch (IOException e) {
log.error("Failed to create backup for profile " + name + ".", e);
}
}
return new Profile(name, settings, dataSourceFactory.getDataSource(name));
}
@ -105,6 +123,47 @@ public class ProfileLoader {
}
}
public static LocalDateTime getLastBackupTimestamp(String name) {
try (var files = Files.list(Profile.getDir(name))) {
return files.filter(p -> p.getFileName().toString().startsWith("backup_"))
.map(p -> p.getFileName().toString().substring("backup_".length(), "backup_0000-00-00_00-00-00".length()))
.map(s -> LocalDateTime.parse(s, DateTimeFormatter.ofPattern("yyyy-MM-dd_HH-mm-ss")))
.max(LocalDateTime::compareTo)
.orElse(null);
} catch (IOException e) {
log.error("Failed to list files in profile " + name, e);
return null;
}
}
public static Path makeBackup(String name) throws IOException {
log.info("Making backup of profile \"{}\".", name);
final Path profileDir = Profile.getDir(name);
LocalDateTime now = LocalDateTime.now();
Path backupFile = profileDir.resolve(String.format(
"backup_%04d-%02d-%02d_%02d-%02d-%02d.zip",
now.getYear(), now.getMonthValue(), now.getDayOfMonth(),
now.getHour(), now.getMinute(), now.getSecond()
));
try (var out = new ZipOutputStream(Files.newOutputStream(backupFile))) {
Files.walkFileTree(profileDir, new SimpleFileVisitor<>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Path relativeFile = profileDir.relativize(file);
if (relativeFile.toString().startsWith("backup_") || relativeFile.toString().equalsIgnoreCase("database.trace.db")) {
return FileVisitResult.CONTINUE;
}
out.putNextEntry(new ZipEntry(relativeFile.toString()));
byte[] bytes = Files.readAllBytes(file);
out.write(bytes, 0, bytes.length);
out.closeEntry();
return FileVisitResult.CONTINUE;
}
});
}
return backupFile;
}
@Deprecated
private static void initProfileDir(String name) throws IOException {
Files.createDirectory(Profile.getDir(name));