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root / lib / hypervisor @ 1a4648d6

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__init__.py 2 kB
hv_base.py 19 kB
hv_chroot.py 10.6 kB
hv_fake.py 10.4 kB
hv_kvm.py 97.2 kB
hv_lxc.py 15.6 kB
hv_xen.py 37.8 kB

Latest revisions

# Date Author Comment
1a4648d6 03/20/2014 12:50 pm Dimitris Aragiorgis

(2.10) hotplug: Verify if a command succeeded or not

Just after issuing _CallHoplugCommands() we invoke
_VerifyHotplugCommand() which parses `info pci` result
and searches for given PCI slot and device id.

If we previously had removed a device but it is still there...
65d9b8cf 03/20/2014 12:50 pm Dimitris Aragiorgis

(2.10) hotplug: Each hotplug qemu commmand with a separate socat

Previously we issued one socat command with two "\n" separated
actions (e.g. netdev_add ...\ndevice_add...)

After having observed a strange monitor behavior [1] splitting
those commands and introducing a sleep time in between, may reduce...
5f70f1e3 03/20/2014 12:50 pm Dimitris Aragiorgis

(2.9) Remove deprecated _ERROR_DATA_KEY in QMP

Commit de253f14 of QEMU repo "BREAKS QMP's compatibility for
the error response" as it removes "data" key from qmp error
response messages. To this end we only log "class" and "desc"
values of the message.
...
55a105e8 03/20/2014 12:50 pm Dimitris Aragiorgis

(ext) Override disk_cache hvp with disk param in ext

This is a hack that brings disk_cache hypervisor param
at disk level. This is supported only for disks of ext
template that allow arbitrary params. The corresponding
param that should be used is 'cache'....
298cfd62 03/20/2014 12:50 pm Dimitris Aragiorgis

(ext) Pass disk geometry in kvm command

Currently we allow this feature only for ext templates that
allow arbitrary params per disk. If both 'heads' and 'secs'
params are given then 'cyls' is calculated from the disk size.

TODO: export these params in IDISK_PARAMS since the can be...
955b3b9e 03/20/2014 12:49 pm Dimitris Aragiorgis

(grnet) Enable -device option for old disks upon migration

Change _GenerateDeviceKVMId() to take device index as an
extra argument. In case device has uuid and pci info
we return proper device id. In case idx is given we return
a dummy id (e.g. hotdisk-0). Otherwise we raise an Exception....
21b6252d 03/20/2014 12:49 pm Dimitris Aragiorgis

(grnet) Move disk options before nic ones in kvm command

Older versions of Ganeti did ensure that during startup
disk devices will be inserted before nic devices in PCI
configuration space. KVM inserts devices to PCI slots
depending on the order of command line options....
86a61eac 03/20/2014 12:49 pm Dimitris Aragiorgis

(2.10) Introduce _UpgradeSerializedRuntime() method

This method is invoked during _AnalizeSerializedRuntime() and is
meant to modify runtime files in the way cfgupgrade does for
config.data. This could remove deprecated fields, change the
format of the file, add/remove sections, etc....
9e26eb92 03/20/2014 12:49 pm Dimitris Aragiorgis

(2.10) Export NIC's UUID and name to network scripts

In case of kvm None values are not allowed in env dict
so we have to add name only if not None.

In case of Xen since we are writing on a file that
is going to be sourced we should not add INTERFACE_NAME=None....
efefc35e 03/20/2014 12:49 pm Dimitris Aragiorgis

(2.10) Use HooksDict() to export network options in Xen

Remove duplicate code that exports network options to environment
variables.

Signed-off-by: Dimitris Aragiorgis <>
Signed-off-by: Thomas Thrainer <>
Reviewed-by: Thomas Thrainer <>...

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