[et-mgmt-tools] [PATCH 2 of 2] Added a --replace option to virt-image which allows it to replace an existing machine if it is current running or defined
"Bryan M. Kearney <bkearney at redhat.com>" at redhat.com
"Bryan M. Kearney <bkearney at redhat.com>" at redhat.com
Fri Jun 27 11:52:54 UTC 2008
# HG changeset patch
# User "Bryan M. Kearney <bkearney at redhat.com>"
# Date 1214497967 14400
# Node ID efba908eb79ad0bf2805c27f784de92578207f1b
# Parent 63aca2dbb3154a65505b1ccef080a8887742cef5
Added a --replace option to virt-image which allows it to replace an existing machine if it is current running or defined
diff -r 63aca2dbb315 -r efba908eb79a virt-image
--- a/virt-image Tue Jun 24 12:30:24 2008 -0400
+++ b/virt-image Thu Jun 26 12:32:47 2008 -0400
@@ -142,7 +142,10 @@ def parse_args():
help=_("The zero-based index of the boot record to use"))
parser.add_option("", "--force", action="store_true", dest="force",
help=_("Do not prompt for input. Answers yes where applicable, terminates for all other prompts"),
- default=False)
+ default=False)
+ parser.add_option("", "--replace",action="store_true", dest="replace",
+ help=_("Overwrite, or destroy, an existing image with the same name"),
+ default=False)
(options,args) = parser.parse_args()
if len(args) < 1:
@@ -211,7 +214,7 @@ def main():
try:
print _("\n\nCreating guest %s...") % guest.name
- dom = guest.start_install(None, progresscb)
+ dom = guest.start_install(None, progresscb, options.replace)
if dom is None:
print _("Guest creation failed")
sys.exit(1)
diff -r 63aca2dbb315 -r efba908eb79a virtinst/Guest.py
--- a/virtinst/Guest.py Tue Jun 24 12:30:24 2008 -0400
+++ b/virtinst/Guest.py Thu Jun 26 12:32:47 2008 -0400
@@ -914,7 +914,7 @@ class Guest(object):
"action": action }
- def start_install(self, consolecb = None, meter = None):
+ def start_install(self, consolecb = None, meter = None, removeOld = False):
"""Do the startup of the guest installation."""
self.validate_parms()
@@ -924,7 +924,7 @@ class Guest(object):
self._prepare_install(meter)
try:
- return self._do_install(consolecb, meter)
+ return self._do_install(consolecb, meter, removeOld)
finally:
self._installer.cleanup()
@@ -932,10 +932,20 @@ class Guest(object):
self._install_disks = self.disks[:]
self._install_nics = self.nics[:]
- def _do_install(self, consolecb, meter):
+ def _do_install(self, consolecb, meter, removeOld = False):
try:
- if self.conn.lookupByName(self.name) is not None:
- raise RuntimeError, _("Domain named %s already exists!") %(self.name,)
+ vm = self.conn.lookupByName(self.name)
+ if removeOld:
+ if vm is not None:
+ if vm.ID() == -1:
+ logging.info("Removing old definition for image %s" %(self.name))
+ vm.undefine()
+ else:
+ logging.info("Destroying image %s" %(self.name))
+ vm.destroy()
+ else:
+ if vm is not None:
+ raise RuntimeError, _("Domain named %s already exists!") %(self.name,)
except libvirt.libvirtError:
pass
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