backport some changesets to the stable branch stable
authorSylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 11 Aug 2009 17:07:48 +0200
branchstable
changeset 2772 33f71848f7a7
parent 2768 3111abdad3b2 (diff)
parent 2767 58c519e5a31f (current diff)
child 2776 2dd05edb2f33
backport some changesets to the stable branch
server/sources/extlite.py
--- a/__pkginfo__.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/__pkginfo__.py	Tue Aug 11 17:07:48 2009 +0200
@@ -7,7 +7,7 @@
 distname = "cubicweb"
 modname = "cubicweb"
 
-numversion = (3, 4, 2)
+numversion = (3, 4, 3)
 version = '.'.join(str(num) for num in numversion)
 
 license = 'LGPL v2'
--- a/server/migractions.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/migractions.py	Tue Aug 11 17:07:48 2009 +0200
@@ -19,7 +19,10 @@
 
 import sys
 import os
-from os.path import join, exists
+import tarfile
+import tempfile
+import shutil
+import os.path as osp
 from datetime import datetime
 
 from logilab.common.deprecation import deprecated
@@ -110,25 +113,77 @@
     def backup_database(self, backupfile=None, askconfirm=True):
         config = self.config
         repo = self.repo_connect()
+        # paths
         timestamp = datetime.now().strftime('%Y-%m-%d_%H:%M:%S')
+        instbkdir = osp.join(config.appdatahome, 'backup')
+        if not osp.exists(instbkdir):
+            os.makedirs(instbkdir)
+        backupfile = backupfile or osp.join(instbkdir, '%s-%s.tar.gz'
+                                            % (config.appid, timestamp))
+        # check backup has to be done
+        if osp.exists(backupfile) and not \
+                self.confirm('Backup file %s exists, overwrite it?' % backupfile):
+            print '-> no backup done.'
+            return
+        elif askconfirm and not self.confirm('Backup %s database?' % config.appid):
+            print '-> no backup done.'
+            return
+        open(backupfile,'w').close() # kinda lock
+        os.chmod(backupfile, 0600)
+        # backup
+        tmpdir = tempfile.mkdtemp(dir=instbkdir)
         for source in repo.sources:
-            source.backup(self.confirm, backupfile, timestamp,
-                          askconfirm=askconfirm)
+            try:
+                source.backup(osp.join(tmpdir,source.uri))
+            except Exception, exc:
+                print '-> error trying to backup [%s]' % exc
+                if not self.confirm('Continue anyway?', default='n'):
+                    raise SystemExit(1)
+        bkup = tarfile.open(backupfile, 'w|gz')
+        for filename in os.listdir(tmpdir):
+            bkup.add(osp.join(tmpdir,filename), filename)
+        bkup.close()
+        shutil.rmtree(tmpdir)
+        # call hooks
         repo.hm.call_hooks('server_backup', repo=repo, timestamp=timestamp)
+        # done
+        print '-> backup file',  backupfile
 
     def restore_database(self, backupfile, drop=True, systemonly=True,
                          askconfirm=True):
         config = self.config
         repo = self.repo_connect()
+        # check
+        if not osp.exists(backupfile):
+            raise Exception("Backup file %s doesn't exist" % backupfile)
+            return
+        if askconfirm and not self.confirm('Restore %s database from %s ?'
+                                           % (config.appid, backupfile)):
+            return
+        # unpack backup
+        bkup = tarfile.open(backupfile, 'r|gz')
+        for name in bkup.getnames():
+            if name[0] in '/.':
+                raise Exception('Security check failed, path starts with "/" or "."')
+        bkup.close() # XXX seek error if not close+open !?!
+        bkup = tarfile.open(backupfile, 'r|gz')
+        tmpdir = tempfile.mkdtemp()
+        bkup.extractall(path=tmpdir)
         if systemonly:
-            repo.system_source.restore(self.confirm, backupfile=backupfile,
-                                       drop=drop, askconfirm=askconfirm)
+            repo.system_source.restore(osp.join(tmpdir,'system'), drop=drop)
         else:
-            # in that case, backup file is expected to be a time stamp
             for source in repo.sources:
-                source.backup(self.confirm, timestamp=backupfile, drop=drop,
-                              askconfirm=askconfirm)
-            repo.hm.call_hooks('server_restore', repo=repo, timestamp=backupfile)
+                try:
+                    source.restore(osp.join(tmpdir, source.uri), drop=drop)
+                except Exception, exc:
+                    print '-> error trying to restore [%s]' % exc
+                    if not self.confirm('Continue anyway?', default='n'):
+                        raise SystemExit(1)
+        bkup.close()
+        shutil.rmtree(tmpdir)
+        # call hooks
+        repo.hm.call_hooks('server_restore', repo=repo, timestamp=backupfile)
+        print '-> database restored.'
 
     @property
     def cnx(self):
@@ -213,10 +268,10 @@
     def exec_event_script(self, event, cubepath=None, funcname=None,
                           *args, **kwargs):
         if cubepath:
-            apc = join(cubepath, 'migration', '%s.py' % event)
+            apc = osp.join(cubepath, 'migration', '%s.py' % event)
         else:
-            apc = join(self.config.migration_scripts_dir(), '%s.py' % event)
-        if exists(apc):
+            apc = osp.join(self.config.migration_scripts_dir(), '%s.py' % event)
+        if osp.exists(apc):
             if self.config.free_wheel:
                 from cubicweb.server.hooks import setowner_after_add_entity
                 self.repo.hm.unregister_hook(setowner_after_add_entity,
--- a/server/sources/__init__.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/sources/__init__.py	Tue Aug 11 17:07:48 2009 +0200
@@ -95,30 +95,11 @@
         """method called by the repository once ready to handle request"""
         pass
 
-    def backup_file(self, backupfile=None, timestamp=None):
-        """return a unique file name for a source's dump
-
-        either backupfile or timestamp (used to generated a backup file name if
-        needed) should be specified.
-        """
-        if backupfile is None:
-            config = self.repo.config
-            return join(config.appdatahome, 'backup',
-                        '%s-%s-%s.dump' % (config.appid, timestamp, self.uri))
-        # backup file is the system database backup file, add uri to it if not
-        # already there
-        base, ext = splitext(backupfile)
-        if not base.endswith('-%s' % self.uri):
-            return '%s-%s%s' % (base, self.uri, ext)
-        return backupfile
-
-    def backup(self, confirm, backupfile=None, timestamp=None,
-               askconfirm=False):
+    def backup(self, backupfile):
         """method called to create a backup of source's data"""
         pass
 
-    def restore(self, confirm, backupfile=None, timestamp=None, drop=True,
-               askconfirm=False):
+    def restore(self, backupfile):
         """method called to restore a backup of source's data"""
         pass
 
--- a/server/sources/extlite.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/sources/extlite.py	Tue Aug 11 17:07:48 2009 +0200
@@ -11,8 +11,7 @@
 from os.path import join, exists
 
 from cubicweb import server
-from cubicweb.server.sqlutils import (SQL_PREFIX, SQLAdapterMixIn, sqlexec,
-                                      sql_source_backup, sql_source_restore)
+from cubicweb.server.sqlutils import SQL_PREFIX, SQLAdapterMixIn, sqlexec
 from cubicweb.server.sources import native, rql2sql
 from cubicweb.server.sources import AbstractSource, dbg_st_search, dbg_results
 
@@ -94,18 +93,21 @@
         AbstractSource.__init__(self, repo, appschema, source_config,
                                 *args, **kwargs)
 
-    def backup(self, confirm, backupfile=None, timestamp=None, askconfirm=False):
-        """method called to create a backup of source's data"""
-        backupfile = self.backup_file(backupfile, timestamp)
-        sql_source_backup(self, self.sqladapter, confirm, backupfile,
-                          askconfirm)
+    def backup(self, backupfile):
+        """method called to create a backup of the source's data"""
+        self.close_pool_connections()
+        try:
+            self.sqladapter.backup_to_file(backupfile)
+        finally:
+            self.open_pool_connections()
 
-    def restore(self, confirm, backupfile=None, timestamp=None, drop=True,
-               askconfirm=False):
+    def restore(self, backupfile, drop):
         """method called to restore a backup of source's data"""
-        backupfile = self.backup_file(backupfile, timestamp)
-        sql_source_restore(self, self.sqladapter, confirm, backupfile, drop,
-                           askconfirm)
+        self.close_pool_connections()
+        try:
+            self.sqladapter.restore_from_file(backupfile, drop)
+        finally:
+            self.open_pool_connections()
 
     @property
     def _sqlcnx(self):
--- a/server/sources/native.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/sources/native.py	Tue Aug 11 17:07:48 2009 +0200
@@ -25,8 +25,7 @@
 
 from cubicweb import UnknownEid, AuthenticationError, Binary, server
 from cubicweb.server.utils import crypt_password
-from cubicweb.server.sqlutils import (SQL_PREFIX, SQLAdapterMixIn,
-                                      sql_source_backup, sql_source_restore)
+from cubicweb.server.sqlutils import SQL_PREFIX, SQLAdapterMixIn
 from cubicweb.server.rqlannotation import set_qdata
 from cubicweb.server.sources import AbstractSource, dbg_st_search, dbg_results
 from cubicweb.server.sources.rql2sql import SQLGenerator
@@ -207,17 +206,21 @@
         pool.pool_reset()
         self.repo._free_pool(pool)
 
-    def backup(self, confirm, backupfile=None, timestamp=None,
-               askconfirm=False):
-        """method called to create a backup of source's data"""
-        backupfile = self.backup_file(backupfile, timestamp)
-        sql_source_backup(self, self, confirm, backupfile, askconfirm)
+    def backup(self, backupfile):
+        """method called to create a backup of the source's data"""
+        self.close_pool_connections()
+        try:
+            self.backup_to_file(backupfile)
+        finally:
+            self.open_pool_connections()
 
-    def restore(self, confirm, backupfile=None, timestamp=None, drop=True,
-               askconfirm=False):
+    def restore(self, backupfile, drop):
         """method called to restore a backup of source's data"""
-        backupfile = self.backup_file(backupfile, timestamp)
-        sql_source_restore(self, self, confirm, backupfile, drop, askconfirm)
+        self.close_pool_connections()
+        try:
+            self.restore_from_file(backupfile, drop)
+        finally:
+            self.open_pool_connections()
 
     def init(self):
         self.init_creating()
--- a/server/sqlutils.py	Tue Aug 11 17:04:59 2009 +0200
+++ b/server/sqlutils.py	Tue Aug 11 17:07:48 2009 +0200
@@ -120,39 +120,6 @@
                      skip_relations=skip_relations))
     return '\n'.join(output)
 
-
-def sql_source_backup(source, sqladapter, confirm, backupfile,
-                      askconfirm=False):
-    if exists(backupfile):
-        if not confirm('Backup file %s exists, overwrite it?' % backupfile):
-            return
-    elif askconfirm and not confirm('Backup %s database?'
-                                    % source.repo.config.appid):
-        print '-> no backup done.'
-        return
-    # should close opened connection before backuping
-    source.close_pool_connections()
-    try:
-        sqladapter.backup_to_file(backupfile, confirm)
-    finally:
-        source.open_pool_connections()
-
-def sql_source_restore(source, sqladapter, confirm, backupfile, drop=True,
-                       askconfirm=False):
-    if not exists(backupfile):
-        raise Exception("backup file %s doesn't exist" % backupfile)
-    app = source.repo.config.appid
-    if askconfirm and not confirm('Restore %s %s database from %s ?'
-                                  % (app, source.uri, backupfile)):
-        return
-    # should close opened connection before restoring
-    source.close_pool_connections()
-    try:
-        sqladapter.restore_from_file(backupfile, confirm, drop=drop)
-    finally:
-        source.open_pool_connections()
-
-
 try:
     from mx.DateTime import DateTimeType, DateTimeDeltaType
 except ImportError:
@@ -196,25 +163,12 @@
         #self.dbapi_module.type_code_test(cnx.cursor())
         return cnx
 
-    def backup_to_file(self, backupfile, confirm):
+    def backup_to_file(self, backupfile):
         cmd = self.dbhelper.backup_command(self.dbname, self.dbhost,
                                            self.dbuser, backupfile,
                                            keepownership=False)
-        backupdir = os.path.dirname(backupfile)
-        if not os.path.exists(backupdir):
-            if confirm('%s does not exist. Create it?' % backupdir,
-                       abort=False, shell=False):
-                os.makedirs(backupdir)
-            else:
-                print '-> failed to backup instance'
-                return
         if os.system(cmd):
-            print '-> error trying to backup with command', cmd
-            if not confirm('Continue anyway?', default='n'):
-                raise SystemExit(1)
-        else:
-            print '-> backup file',  backupfile
-            restrict_perms_to_user(backupfile, self.info)
+            raise Exception('Failed command: %s' % cmd)
 
     def restore_from_file(self, backupfile, confirm, drop=True):
         for cmd in self.dbhelper.restore_commands(self.dbname, self.dbhost,
@@ -222,19 +176,8 @@
                                                   self.encoding,
                                                   keepownership=False,
                                                   drop=drop):
-            while True:
-                print cmd
-                if os.system(cmd):
-                    print '-> error while restoring the base'
-                    answer = confirm('Continue anyway?',
-                                     shell=False, abort=False, retry=True)
-                    if not answer:
-                        raise SystemExit(1)
-                    if answer == 1: # 1: continue, 2: retry
-                        break
-                else:
-                    break
-        print '-> database restored.'
+            if os.system(cmd):
+                raise Exception('Failed command: %s' % cmd)
 
     def merge_args(self, args, query_args):
         if args is not None: