self.size = 0
self.g = guestfs.GuestFS()
+ self.guestfs_enabled = False
+
+ def enable(self):
+ """Enable a newly created Image instance"""
+
+ self.enable_guestfs()
+
+ self.out.output('Inspecting Operating System ...', False)
+ roots = self.g.inspect_os()
+ if len(roots) == 0:
+ raise FatalError("No operating system found")
+ if len(roots) > 1:
+ raise FatalError("Multiple operating systems found."
+ "We only support images with one OS.")
+ self.root = roots[0]
+ self.guestfs_device = self.g.part_to_dev(self.root)
+ self.size = self.g.blockdev_getsize64(self.guestfs_device)
+ self.meta['PARTITION_TABLE'] = \
+ self.g.part_get_parttype(self.guestfs_device)
+
+ self.ostype = self.g.inspect_get_type(self.root)
+ self.distro = self.g.inspect_get_distro(self.root)
+ self.out.success(
+ 'found a(n) %s system' %
+ self.ostype if self.distro == "unknown" else self.distro)
+
+ def enable_guestfs(self):
+ """Enable the guestfs handler"""
+
+ if self.guestfs_enabled:
+ self.out.warn("Guestfs is already enabled")
+ return
+
self.g.add_drive_opts(self.device, readonly=0, format="raw")
# Before version 1.17.14 the recovery process, which is a fork of the
#self.g.set_trace(1)
#self.g.set_verbose(1)
- self.guestfs_enabled = False
-
- def enable(self):
- """Enable a newly created Image instance"""
-
self.out.output('Launching helper VM (may take a while) ...', False)
# self.progressbar = self.out.Progress(100, "Launching helper VM",
# "percent")
# self.progressbar = None
self.out.success('done')
- self.out.output('Inspecting Operating System ...', False)
- roots = self.g.inspect_os()
- if len(roots) == 0:
- raise FatalError("No operating system found")
- if len(roots) > 1:
- raise FatalError("Multiple operating systems found."
- "We only support images with one OS.")
- self.root = roots[0]
- self.guestfs_device = self.g.part_to_dev(self.root)
- self.size = self.g.blockdev_getsize64(self.guestfs_device)
- self.meta['PARTITION_TABLE'] = \
- self.g.part_get_parttype(self.guestfs_device)
+ def disable_guestfs(self):
+ """Disable the guestfs handler"""
- self.ostype = self.g.inspect_get_type(self.root)
- self.distro = self.g.inspect_get_distro(self.root)
- self.out.success(
- 'found a(n) %s system' %
- self.ostype if self.distro == "unknown" else self.distro)
+ if not self.guestfs_enabled:
+ self.out.warn("Guestfs is already disabled")
+ return
+
+ self.out.output("Shutting down helper VM ...", False)
+ self.g.sync()
+ # guestfs_shutdown which is the prefered way to shutdown the backend
+ # process was introduced in version 1.19.16
+ if check_guestfs_version(self.g, 1, 19, 16) >= 0:
+ self.g.shutdown()
+ else:
+ self.g.kill_subprocess()
+
+ self.guestfs_enabled = False
+ self.out.success('done')
def _get_os(self):
"""Return an OS class instance for this image"""