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# Date Author Comment
9f395c32 12/17/2013 12:46 pm Dimitris Aragiorgis

(2.10) Make hotplug related method raise HotplugError

Hotplug is not supported by default and thus we raise
HotplugError() for hotplug related methods.
If a hypervisor wants to support it, we must override VerifyHotplugSupport()
and implement the Hot* method....

860bf930 12/17/2013 12:46 pm Dimitris Aragiorgis

(2.10) Hotplug: rpc support

Introduce new RPC that eventually invoke hypervisor specific
hotplug functions. In order to be generic it has the following
arguments: device type, action, device, extra info, seq.
Device type can be NIC or DISK, action can be ADD, REMOVE,...

0628a50a 02/04/2013 03:06 pm Iustin Pop

Make LXC fail verification if cgroup is not mounted

Since LXC now relies on cgroup memory limits to enforce memory, let's
make hypervisor verification (and thus cluster-verify) return errors
when the cgroup filesystem is not mounted.

Signed-off-by: Iustin Pop <>...

e4157912 02/04/2013 09:48 am Guido Trotter

hv_lxc: fix whitespace errors

The latest lxc patches included a few whitespace style errors, that make
lint fail. This patch fixes those.

Signed-off-by: Guido Trotter <>
Reviewed-by: Helga Velroyen <>

f078c799 02/02/2013 12:52 pm Faidon Liambotis

LXC: add support for the memory controller

Add support for the memory resource controller, useful to actually place
memory limits on instances.

Support is still optional, in case the kernel doesn't have it compiled
in, or in the case of Debian has it dependent on a kernel command-line...

2e5a6203 02/01/2013 05:53 pm Faidon Liambotis

LXC: adapt hv for newer lxc userspace tools

Currently hv_lxc depends on the behavior and output of older LXC tools,
which have since changed, making it unable to function in current
distributions (e.g. Debian wheezy).

Adapt the tools and expectation for the output and make it into a...

cd04dfd2 01/24/2013 12:46 pm Michael Hanselmann

hv_*: Always return from Verify, style fixes

Change all “Verify” methods in hypervisor abstractions to explicitely
return None if no problem was detected. Remove punctuation from error
messages. Update docstrings with “@return” and some small mistakes.

Signed-off-by: Michael Hanselmann <>...

052783ff 09/28/2012 03:14 pm Michael Hanselmann

Stop hardcoding root user

Some parts of the code still use a hardcoded user name: root. This patch
replaces all with a constant specified at build time. The end goal is to
make it possible to run a Ganeti cluster without any special privileges
(of course this will prevent some functionality from working)....

9d9bded1 09/18/2012 06:09 pm Michael Hanselmann

Migrate lib/hypervisor/*.py from constants to pathutils

File system paths moved from constants to pathutils.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>

3329f4de 09/18/2012 05:58 pm Michael Hanselmann

constants: Move most paths to separate module

This is inpreparation for the implementation of virtual clusters. Many
paths will change based on an environment variable and are no longer
constant and should no longer be in “constants.py”. Since “constants.py”...

2e2fb795 01/17/2012 03:01 pm Guido Trotter

No-op memory ballooning in chroot and lxc

Currently they have no memory limits set.

Signed-off-by: Guido Trotter <>
Reviewed-by: René Nussbaumer <>

60af751d 09/29/2011 12:41 pm Andrea Spadaccini

Adapt non-KVM hypervisors to new migration RPCs

Signed-off-by: Andrea Spadaccini <>
Reviewed-by: Michael Hanselmann <>

b459a848 08/30/2011 11:24 am Andrea Spadaccini

DeprecationWarning fixes for pylint

In version 0.21, pylint unified all the disable-* (and enable-*)
directives to disable (resp. enable). This leads to a lot of
DeprecationWarning being emitted even if one uses the recommended
version of pylint (0.21.1, as stated in devnotes.rst)....

323f9095 07/08/2011 03:15 pm Stephen Shirley

Add gnt-instance start --pause

Creates the instance, but pauses execution before booting. This combined
with 'gnt-instance console' unpausing instances means that the entire
boot process can be viewed and monitored.

Signed-off-by: Stephen Shirley <>...

55cc0a44 01/07/2011 05:34 pm Michael Hanselmann

Use new console information in hypervisor abstraction

This makes use of the new way of returning console information from the
master daemon. Unittests are included.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: René Nussbaumer <>

e3ed5316 07/16/2010 12:48 pm Balazs Lecz

LXC: Add cpu_mask hypervisor parameter

Also implement syntax checking.

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

13c564e7 07/09/2010 06:17 pm Balazs Lecz

LXC: Create per-instance log files

This replaces the single global log file with per-instance logs.
The instance log file is not truncated when the instance is started.

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

c83864fe 07/09/2010 06:17 pm Balazs Lecz

LXC: Fix wording of error messages

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

b8aa46ed 07/09/2010 06:17 pm Balazs Lecz

LXC: Fix GetInstanceInfo()

Don't try to get cgroups info if instance is not running.

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

63cef6c3 07/08/2010 06:57 pm Balazs Lecz

LXC: Fix GetAllInstancesInfo()

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

c4d3e57f 07/07/2010 09:07 pm Balazs Lecz

LXC: Report actual number of CPUs

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

637c8ab8 07/07/2010 04:36 pm Balazs Lecz

LXC: add lxc.console to the generated lxc.conf file

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

d01baf53 07/07/2010 04:36 pm Balazs Lecz

LXC: Use lxc-info to get instance info

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

a188f1ef 07/06/2010 05:10 pm Balazs Lecz

LXC: use utils.GetMounts()

Signed-off-by: Balazs Lecz <>
Reviewed-by: Iustin Pop <>

4b5e40a5 06/30/2010 04:46 pm Iustin Pop

Barebones LXC hypervisor

This needs lots of work, but it can successfully launch an LXC-based
instance. See the docstring for the limitations/work to be done.

Signed-off-by: Iustin Pop <>
Reviewed-by: Balazs Lecz <>