ext_scripts: Fix bug in attach

[archipelago] / xseg / tools / vlmc_shared.py

diff --git a/xseg/tools/vlmc_shared.py b/xseg/tools/vlmc_shared.py
index f986220..c762211 100644 (file)
--- a/xseg/tools/vlmc_shared.py
+++ b/xseg/tools/vlmc_shared.py
@@ -1,3 +1,36 @@
+# Copyright 2013 GRNET S.A. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+#   1. Redistributions of source code must retain the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer in the documentation and/or other materials
+#      provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and
+# documentation are those of the authors and should not be
+# interpreted as representing official policies, either expressed
+# or implied, of GRNET S.A.
+
 # shared funcs for both blockd and filed
 
 import os, sys, shutil, glob, argparse
@@ -97,6 +130,39 @@ def xsegbd_loaded():
         print >> sys.stderr, reason
         sys.exit(-1)
 
+def vlmc_resize(args):
+    name = args.name[0]
+    size = args.size[0]
+
+    try:
+        old_dir = os.getcwd()
+        os.chdir(IMAGES)
+
+        size *= 1024*1024
+
+        f = os.open(name, os.O_WRONLY, 0755)
+        if size >= os.stat(name).st_size:
+            os.lseek(f, size - 1, os.SEEK_SET)
+            os.write(f, "1")
+        else:
+            os.ftruncate(f, size)
+
+        os.close(f)
+        os.chdir(old_dir)
+
+        for f in os.listdir(XSEGBD_SYSFS + "devices/"):
+            d_id = open(XSEGBD_SYSFS + "devices/" + f + "/id").read().strip()
+            d_name = open(XSEGBD_SYSFS + "devices/"+ f + "/name").read().strip()
+            if name == d_name:
+                fd = os.open(XSEGBD_SYSFS + "devices/" +  d_id +"/refresh", os.O_WRONLY)
+                os.write(fd, "1")
+                os.close(fd)
+
+        sys.exit(0)
+    except Exception, reason:
+        print >> sys.stderr, reason
+        sys.exit(-1)
+
 def loadrc(rc):
     #FIXME
     try: