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norahmollo
2012-10-19 21:30:26 +00:00
parent 9e9f4be8e6
commit e21cbdbaa6
10 changed files with 4295 additions and 4276 deletions
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445
workflow/engine/classes/class.multipleFilesBackup.php
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@@ -1,227 +1,218 @@
<?php
G::LoadSystem('dbMaintenance');
G::LoadClass("cli");
/** Class MultipleFilesBackup
* create a backup of this workspace
*
* Exports the database and copies the files to an tar archive o several if the max filesize is reached.
*
*/
class multipleFilesBackup{
private $dir_to_compress = "";
private $filename = "backUpProcessMaker.tar";
private $fileSize = "1000"; // 1 GB by default.
private $sizeDescriptor = "m"; //megabytes
private $tempDirectories = array();
/* Constructor
* @filename contains the path and filename of the comppress file(s).
* @size got the Max size of the compressed files, by default if the $size less to zero will mantains 1000 Mb as Max size.
*/
function multipleFilesBackup($filename,$size)
{
if(!empty($filename)){
$this->filename = $filename;
}
if(!empty($size) && (int)$size > 0){
$this->fileSize = $size;
}
}
/* Gets workspace information enough to make its backup.
* @workspace contains the workspace to be add to the commpression process.
*/
public function addToBackup($workspace)
{
//verifing if workspace exists.
if (!$workspace->workspaceExists()) {
echo "Workspace {$workspace->name} not found\n";
return false;
}
//create destination path
if (!file_exists(PATH_DATA . "upgrade/")){
mkdir(PATH_DATA . "upgrade/");
}
$tempDirectory = PATH_DATA . "upgrade/" . basename(tempnam(__FILE__, ''));
mkdir($tempDirectory);
$metadata = $workspace->getMetadata();
CLI::logging("Temporing up database...\n");
$metadata["databases"] = $workspace->exportDatabase($tempDirectory);
$metadata["directories"] = array("{$workspace->name}.files");
$metadata["version"] = 1;
$metaFilename = "$tempDirectory/{$workspace->name}.meta";
if (!file_put_contents($metaFilename,
str_replace(array(",", "{", "}"), array(",\n ", "{\n ", "\n}\n"),
G::json_encode($metadata)))) {
CLI::logging("Could not create backup metadata");
}
CLI::logging("Adding database to backup...\n");
$this->addDirToBackup($tempDirectory);
CLI::logging("Adding files to backup...\n");
$this->addDirToBackup($workspace->path);
$this->tempDirectories[] = $tempDirectory;
}
/* Add a directory containing Db files or info files to be commpressed
* @directory the name and path of the directory to be add to the commpression process.
*/
private function addDirToBackup($directory)
{
if(!empty($directory)){
$this->dir_to_compress .= $directory . " ";
}
}
/* Commpress the DB and files into a single or several files with numerical series extentions
*/
public function letsBackup()
{
// creating command
$CommpressCommand = "tar czv ";
$CommpressCommand .= $this->dir_to_compress;
$CommpressCommand .= "| split -b ";
$CommpressCommand .= $this->fileSize;
$CommpressCommand .= "m -d - ";
$CommpressCommand .= $this->filename . ".";
//executing command to create the files
echo exec($CommpressCommand);
//Remove leftovers dirs.
foreach($this->tempDirectories as $tempDirectory)
{
CLI::logging("Deleting: ".$tempDirectory."\n");
G::rm_dir($tempDirectory);
}
}
/* Restore from file(s) commpressed by letsBackup function, into a temporary directory
* @ filename got the name and path of the compressed file(s), if there are many files with file extention as a numerical series, the extention should be discriminated.
* @ srcWorkspace contains the workspace to be restored.
* @ dstWorkspace contains the workspace to be overwriting.
* @ overwrite got the option true if the workspace will be overwrite.
*/
static public function letsRestore($filename, $srcWorkspace, $dstWorkspace = NULL, $overwrite = true)
{
// Needed info:
// TEMPDIR /shared/workflow_data/upgrade/
// BACKUPS /shared/workflow_data/backups/
// Creating command cat myfiles_split.tgz_* | tar xz
$DecommpressCommand = "cat " . $filename . ".* ";
$DecommpressCommand .= " | tar xzv";
$tempDirectory = PATH_DATA . "upgrade/" . basename(tempnam(__FILE__, ''));
$parentDirectory = PATH_DATA . "upgrade";
if (is_writable($parentDirectory)) {
mkdir($tempDirectory);
} else {
throw new Exception("Could not create directory:" . $parentDirectory);
}
//Extract all backup files, including database scripts and workspace files
CLI::logging("Restoring into ".$tempDirectory."\n");
chdir($tempDirectory);
echo exec($DecommpressCommand);
CLI::logging("\nUncompressed into: ".$tempDirectory."\n");
//Search for metafiles in the new standard (the old standard would contain meta files.
$metaFiles = glob($tempDirectory . "/*.meta");
if (empty($metaFiles)) {
$metaFiles = glob($tempDirectory . "/*.txt");
if (!empty($metaFiles)){
return workspaceTools::restoreLegacy($tempDirectory);
}
else{
throw new Exception("No metadata found in backup");
}
}
else {
CLI::logging("Found " . count($metaFiles) . " workspaces in backup:\n");
foreach ($metaFiles as $metafile){
CLI::logging("-> " . basename($metafile) . "\n");
}
}
if (count($metaFiles) > 1 && (!isset($srcWorkspace))){
throw new Exception("Multiple workspaces in backup but no workspace specified to restore");
}
if (isset($srcWorkspace) && !in_array("$srcWorkspace.meta", array_map(basename, $metaFiles))){
throw new Exception("Workspace $srcWorkspace not found in backup");
}
foreach ($metaFiles as $metaFile) {
$metadata = G::json_decode(file_get_contents($metaFile));
if ($metadata->version != 1){
throw new Exception("Backup version {$metadata->version} not supported");
}
$backupWorkspace = $metadata->WORKSPACE_NAME;
if (isset($dstWorkspace)) {
$workspaceName = $dstWorkspace;
$createWorkspace = true;
}
else {
$workspaceName = $metadata->WORKSPACE_NAME;
$createWorkspace = false;
}
if (isset($srcWorkspace) && strcmp($metadata->WORKSPACE_NAME, $srcWorkspace) != 0) {
CLI::logging(CLI::warning("> Workspace $backupWorkspace found, but not restoring.") . "\n");
continue;
}
else {
CLI::logging("> Restoring " . CLI::info($backupWorkspace) . " to " . CLI::info($workspaceName) . "\n");
}
$workspace = new workspaceTools($workspaceName);
if ($workspace->workspaceExists()){
if ($overwrite){
CLI::logging(CLI::warning("> Workspace $workspaceName already exist, overwriting!") . "\n");
}
else{
throw new Exception("Destination workspace already exist (use -o to overwrite)");
}
}
if (file_exists($workspace->path)) {
G::rm_dir($workspace->path);
}
foreach ($metadata->directories as $dir) {
CLI::logging("+> Restoring directory '$dir'\n");
if (!rename("$tempDirectory/$dir", $workspace->path)) {
throw new Exception("There was an error copying the backup files ($tempDirectory/$dir) to the workspace directory {$workspace->path}.");
}
}
CLI::logging("> Changing file permissions\n");
$shared_stat = stat(PATH_DATA);
if ($shared_stat !== false){
workspaceTools::dirPerms($workspace->path, $shared_stat['uid'], $shared_stat['gid'], $shared_stat['mode']);
}
else{
CLI::logging(CLI::error ("Could not get the shared folder permissions, not changing workspace permissions") . "\n");
}
list($dbHost, $dbUser, $dbPass) = @explode(SYSTEM_HASH, G::decrypt(HASH_INSTALLATION, SYSTEM_HASH));
CLI::logging("> Connecting to system database in '$dbHost'\n");
$link = mysql_connect($dbHost, $dbUser, $dbPass);
@mysql_query("SET NAMES 'utf8';");
if (!$link){
throw new Exception('Could not connect to system database: ' . mysql_error());
}
$newDBNames = $workspace->resetDBInfo($dbHost, $createWorkspace);
foreach ($metadata->databases as $db) {
$dbName = $newDBNames[$db->name];
CLI::logging("+> Restoring database {$db->name} to $dbName\n");
$workspace->executeSQLScript($dbName, "$tempDirectory/{$db->name}.sql");
$workspace->createDBUser($dbName, $db->pass, "localhost", $dbName);
$workspace->createDBUser($dbName, $db->pass, "%", $dbName);
}
$workspace->upgradeCacheView(false);
mysql_close($link);
}
CLI::logging("Removing temporary files\n");
G::rm_dir($tempDirectory);
CLI::logging(CLI::info("Done restoring") . "\n");
}
}
?>
<?php
G::LoadSystem( 'dbMaintenance' );
G::LoadClass( "cli" );
/**
* Class MultipleFilesBackup
* create a backup of this workspace
*
* Exports the database and copies the files to an tar archive o several if the max filesize is reached.
*/
class multipleFilesBackup
{
private $dir_to_compress = "";
private $filename = "backUpProcessMaker.tar";
private $fileSize = "1000";
// 1 GB by default.
private $sizeDescriptor = "m";
//megabytes
private $tempDirectories = array ();
/* Constructor
* @filename contains the path and filename of the comppress file(s).
* @size got the Max size of the compressed files, by default if the $size less to zero will mantains 1000 Mb as Max size.
*/
public function multipleFilesBackup ($filename, $size)
{
if (! empty( $filename )) {
$this->filename = $filename;
}
if (! empty( $size ) && (int) $size > 0) {
$this->fileSize = $size;
}
}
/* Gets workspace information enough to make its backup.
* @workspace contains the workspace to be add to the commpression process.
*/
public function addToBackup ($workspace)
{
//verifing if workspace exists.
if (! $workspace->workspaceExists()) {
echo "Workspace {$workspace->name} not found\n";
return false;
}
//create destination path
if (! file_exists( PATH_DATA . "upgrade/" )) {
mkdir( PATH_DATA . "upgrade/" );
}
$tempDirectory = PATH_DATA . "upgrade/" . basename( tempnam( __FILE__, '' ) );
mkdir( $tempDirectory );
$metadata = $workspace->getMetadata();
CLI::logging( "Temporing up database...\n" );
$metadata["databases"] = $workspace->exportDatabase( $tempDirectory );
$metadata["directories"] = array ("{$workspace->name}.files");
$metadata["version"] = 1;
$metaFilename = "$tempDirectory/{$workspace->name}.meta";
if (! file_put_contents( $metaFilename, str_replace( array (",","{","}"), array (",\n ","{\n ","\n}\n"), G::json_encode( $metadata ) ) )) {
CLI::logging( "Could not create backup metadata" );
}
CLI::logging( "Adding database to backup...\n" );
$this->addDirToBackup( $tempDirectory );
CLI::logging( "Adding files to backup...\n" );
$this->addDirToBackup( $workspace->path );
$this->tempDirectories[] = $tempDirectory;
}
/* Add a directory containing Db files or info files to be commpressed
* @directory the name and path of the directory to be add to the commpression process.
*/
private function addDirToBackup ($directory)
{
if (! empty( $directory )) {
$this->dir_to_compress .= $directory . " ";
}
}
// Commpress the DB and files into a single or several files with numerical series extentions
public function letsBackup ()
{
// creating command
$CommpressCommand = "tar czv ";
$CommpressCommand .= $this->dir_to_compress;
$CommpressCommand .= "| split -b ";
$CommpressCommand .= $this->fileSize;
$CommpressCommand .= "m -d - ";
$CommpressCommand .= $this->filename . ".";
//executing command to create the files
echo exec( $CommpressCommand );
//Remove leftovers dirs.
foreach ($this->tempDirectories as $tempDirectory) {
CLI::logging( "Deleting: " . $tempDirectory . "\n" );
G::rm_dir( $tempDirectory );
}
}
/* Restore from file(s) commpressed by letsBackup function, into a temporary directory
* @ filename got the name and path of the compressed file(s), if there are many files with file extention as a numerical series, the extention should be discriminated.
* @ srcWorkspace contains the workspace to be restored.
* @ dstWorkspace contains the workspace to be overwriting.
* @ overwrite got the option true if the workspace will be overwrite.
*/
static public function letsRestore ($filename, $srcWorkspace, $dstWorkspace = null, $overwrite = true)
{
// Needed info:
// TEMPDIR /shared/workflow_data/upgrade/
// BACKUPS /shared/workflow_data/backups/
// Creating command cat myfiles_split.tgz_* | tar xz
$DecommpressCommand = "cat " . $filename . ".* ";
$DecommpressCommand .= " | tar xzv";
$tempDirectory = PATH_DATA . "upgrade/" . basename( tempnam( __FILE__, '' ) );
$parentDirectory = PATH_DATA . "upgrade";
if (is_writable( $parentDirectory )) {
mkdir( $tempDirectory );
} else {
throw new Exception( "Could not create directory:" . $parentDirectory );
}
//Extract all backup files, including database scripts and workspace files
CLI::logging( "Restoring into " . $tempDirectory . "\n" );
chdir( $tempDirectory );
echo exec( $DecommpressCommand );
CLI::logging( "\nUncompressed into: " . $tempDirectory . "\n" );
//Search for metafiles in the new standard (the old standard would contain meta files.
$metaFiles = glob( $tempDirectory . "/*.meta" );
if (empty( $metaFiles )) {
$metaFiles = glob( $tempDirectory . "/*.txt" );
if (! empty( $metaFiles )) {
return workspaceTools::restoreLegacy( $tempDirectory );
} else {
throw new Exception( "No metadata found in backup" );
}
} else {
CLI::logging( "Found " . count( $metaFiles ) . " workspaces in backup:\n" );
foreach ($metaFiles as $metafile) {
CLI::logging( "-> " . basename( $metafile ) . "\n" );
}
}
if (count( $metaFiles ) > 1 && (! isset( $srcWorkspace ))) {
throw new Exception( "Multiple workspaces in backup but no workspace specified to restore" );
}
if (isset( $srcWorkspace ) && ! in_array( "$srcWorkspace.meta", array_map( basename, $metaFiles ) )) {
throw new Exception( "Workspace $srcWorkspace not found in backup" );
}
foreach ($metaFiles as $metaFile) {
$metadata = G::json_decode( file_get_contents( $metaFile ) );
if ($metadata->version != 1) {
throw new Exception( "Backup version {$metadata->version} not supported" );
}
$backupWorkspace = $metadata->WORKSPACE_NAME;
if (isset( $dstWorkspace )) {
$workspaceName = $dstWorkspace;
$createWorkspace = true;
} else {
$workspaceName = $metadata->WORKSPACE_NAME;
$createWorkspace = false;
}
if (isset( $srcWorkspace ) && strcmp( $metadata->WORKSPACE_NAME, $srcWorkspace ) != 0) {
CLI::logging( CLI::warning( "> Workspace $backupWorkspace found, but not restoring." ) . "\n" );
continue;
} else {
CLI::logging( "> Restoring " . CLI::info( $backupWorkspace ) . " to " . CLI::info( $workspaceName ) . "\n" );
}
$workspace = new workspaceTools( $workspaceName );
if ($workspace->workspaceExists()) {
if ($overwrite) {
CLI::logging( CLI::warning( "> Workspace $workspaceName already exist, overwriting!" ) . "\n" );
} else {
throw new Exception( "Destination workspace already exist (use -o to overwrite)" );
}
}
if (file_exists( $workspace->path )) {
G::rm_dir( $workspace->path );
}
foreach ($metadata->directories as $dir) {
CLI::logging( "+> Restoring directory '$dir'\n" );
if (! rename( "$tempDirectory/$dir", $workspace->path )) {
throw new Exception( "There was an error copying the backup files ($tempDirectory/$dir) to the workspace directory {$workspace->path}." );
}
}
CLI::logging( "> Changing file permissions\n" );
$shared_stat = stat( PATH_DATA );
if ($shared_stat !== false) {
workspaceTools::dirPerms( $workspace->path, $shared_stat['uid'], $shared_stat['gid'], $shared_stat['mode'] );
} else {
CLI::logging( CLI::error( "Could not get the shared folder permissions, not changing workspace permissions" ) . "\n" );
}
list ($dbHost, $dbUser, $dbPass) = @explode( SYSTEM_HASH, G::decrypt( HASH_INSTALLATION, SYSTEM_HASH ) );
CLI::logging( "> Connecting to system database in '$dbHost'\n" );
$link = mysql_connect( $dbHost, $dbUser, $dbPass );
@mysql_query( "SET NAMES 'utf8';" );
if (! $link) {
throw new Exception( 'Could not connect to system database: ' . mysql_error() );
}
$newDBNames = $workspace->resetDBInfo( $dbHost, $createWorkspace );
foreach ($metadata->databases as $db) {
$dbName = $newDBNames[$db->name];
CLI::logging( "+> Restoring database {$db->name} to $dbName\n" );
$workspace->executeSQLScript( $dbName, "$tempDirectory/{$db->name}.sql" );
$workspace->createDBUser( $dbName, $db->pass, "localhost", $dbName );
$workspace->createDBUser( $dbName, $db->pass, "%", $dbName );
}
$workspace->upgradeCacheView( false );
mysql_close( $link );
}
CLI::logging( "Removing temporary files\n" );
G::rm_dir( $tempDirectory );
CLI::logging( CLI::info( "Done restoring" ) . "\n" );
}
}