Release version 0.1.0

[forks/vmdebootstrap.git] / vmdebootstrap

diff --git a/vmdebootstrap b/vmdebootstrap
index f857baca51ea989a09f4a0cd17114173e5d624f1..a5537b7abd6f6191ddc2cf8704470db9082184f5 100755 (executable)
--- a/vmdebootstrap
+++ b/vmdebootstrap
@@ -25,6 +25,9 @@ import subprocess
 import tempfile
 
 
+__version__ = '0.1.0'
+
+
 class VmDebootstrap(cliapp.Application):
 
     def add_settings(self):
@@ -107,6 +110,7 @@ class VmDebootstrap(cliapp.Application):
             self.set_hostname(rootdir)
             self.create_fstab(rootdir)
             self.install_debs(rootdir)
+            self.cleanup_apt_cache(rootdir)
             self.set_root_password(rootdir)
             self.create_users(rootdir)
             self.remove_udev_persistent_rules(rootdir)
@@ -114,6 +118,7 @@ class VmDebootstrap(cliapp.Application):
             self.customize(rootdir)
             if self.settings['image']:
                 self.install_extlinux(rootdev, rootdir)
+                self.optimize_image(rootdir)
             if self.settings['tarball']:
                 self.create_tarball(rootdir)
         except BaseException, e:
@@ -251,6 +256,10 @@ class VmDebootstrap(cliapp.Application):
         logging.debug('stdout:\n%s' % out)
         shutil.rmtree(tmp)
 
+    def cleanup_apt_cache(self, rootdir):
+        out = self.runcmd(['chroot', rootdir, 'apt-get', 'clean'])
+        logging.debug('stdout:\n%s' % out)
+
     def set_root_password(self, rootdir):
         if self.settings['root-password']:
             self.message('Setting root password')
@@ -304,7 +313,7 @@ class VmDebootstrap(cliapp.Application):
         
         if self.settings['enable-dhcp']:
             f.write('\n')
-            f.write('allow-hotplug eth0\n')
+            f.write('auto eth0\n')
             f.write('iface eth0 inet dhcp\n')
             
         f.close()
@@ -359,7 +368,16 @@ append initrd=%(initrd)s root=UUID=%(uuid)s ro %(kserial)s
         self.runcmd(['extlinux', '--install', rootdir])
         self.runcmd(['sync'])
         import time; time.sleep(2)
-        
+
+    def optimize_image(self, rootdir):
+        """
+        Filing up the image with zeros will increase its compression rate
+        """
+        zeros = os.path.join(rootdir, 'ZEROS')
+        self.runcmd_unchecked(['dd', 'if=/dev/zero', 'of=' + zeros, 'bs=1M'])
+        self.runcmd(['rm', '-f', zeros])
+
+
     def cleanup_system(self):
         # Clean up after any errors.
 
@@ -389,5 +407,5 @@ append initrd=%(initrd)s root=UUID=%(uuid)s ro %(kserial)s
 
 
 if __name__ == '__main__':
-    VmDebootstrap().run()
+    VmDebootstrap(version=__version__).run()