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# Date Author Comment
daa49d6f 12/18/2012 03:06 pm Michael Hanselmann

Fix error during cluster initialization due to hv_kvm

Commit 141d148 was a bit too enthusiastic. The three parameters added to
the list of parameters to be checked default to a value not evaluating
to false, leading to a failure on cluster initialization....

141d1489 12/17/2012 06:24 pm Michael Hanselmann

Add test for SPICE parameter list, add missing ones

“_SPICE_ADDITIONAL_PARAMS” is supposed to be the full list of
SPICE-related KVM hypervisor parameters with the exception of
“HV_KVM_SPICE_BIND”. The new test checks if all parameters starting with
“HV_KVM_SPICE_*” are included. Three previously missing parameters are...

07788a0b 12/17/2012 06:24 pm Michael Hanselmann

hv_kvm: List of SPICE parameters should be module-global

This list is static at runtime and doesn't need to be recreated every
time.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Guido Trotter <>

8df21834 11/20/2012 07:51 pm Dimitris Aragiorgis

Move _BuildNetworkEnv() at top-level

Signed-off-by: Dimitris Aragiorgis <>
Reviewed-by: Iustin Pop <>

3c286190 11/20/2012 07:51 pm Dimitris Aragiorgis

Fixes to pass pep8 (make lint)

Signed-off-by: Dimitris Aragiorgis <>
Reviewed-by: Iustin Pop <>

cbe4a0a5 11/20/2012 07:51 pm Dimitris Aragiorgis

Pass netinfo in rpcs

If a nic has a network field then encapsulate a network object in
netinfo slot for every rpc. This is needed to pass network info to
scripts managing nics (kvm-vif-bridge).

Introduce _BuildNetworkEnv().

Signed-off-by: Dimitris Aragiorgis <>...

a5ad5e58 11/20/2012 07:51 pm Apollon Oikonomopoulos

Peripheral changes for networks

Specifically: * export a new environment variable for the gnt-os-interface * export a new environment variable for KVM specific scripts * ovf support for networks

Signed-off-by: Apollon Oikonomopoulos <>...

551a29df 11/12/2012 06:17 pm Iustin Pop

Merge branch 'devel-2.6' into master

  • devel-2.6:
    Improve error message when migration status fail
    Fix type error in kvm/GetMigrationStatus
    Fix PID file writing in Haskell daemons

Conflicts (both trivial):
htools/Ganeti/Daemon.hs (_writePidFile rename)...

62457f51 11/12/2012 03:13 pm Iustin Pop

Fix type error in kvm/GetMigrationStatus

Commit 6a1434d7 (“Make migration RPC non-blocking”) changed from
raising HypervisorErrors to returning MigrationStatus
objects. However, these objects don't have an "info" attribute, so
they can't pass a reason back (which is in itself a bug); but the KVM...

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)....

0e1e0b6a 09/21/2012 07:07 am Michael Hanselmann

hv_kvm: Use pu.CONF_DIR variable

… instead of using SYSCONFDIR directly.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Bernardo Dal Seno <>

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”...

951accad 08/27/2012 05:18 pm Iustin Pop

Merge branch 'devel-2.6'

  • devel-2.6:
    Make stable-2.6 compatible with newer pep8
    Fix computation of disk sizes in _ComputeDiskSize
    Add verification of RPC results in _WipeDisks
    Add test for checking that all gnt-* subcommands run OK
    Fix double use of PRIORITY_OPT in gnt-node migrate...
5ae4945a 08/23/2012 02:41 pm Iustin Pop

Bump pep8 version to 1.2

Debian Wheezy will ship with this version, and it has many improved checks compared to 0.6, so let's:

- bump version in the docs
- silence some new checks that are wrong due to our indent=2 instead of 4
- fix lots of errors in the code where the indentation was wrong by 1...

2ed0e208 07/27/2012 12:16 pm Iustin Pop

Fix 'explicitely' common typo

It seems that 'explicitely' is wrong, and that the right form is
'explicitly'. This is just fixing the typo plus adjusting affected
paragraphs.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>

7d5ceafd 07/25/2012 12:42 pm Iustin Pop

Merge commit 'v2.5.2' into stable-2.6

  • commit 'v2.5.2':
    Fix RST formatting in NEWS file
    Update NEWS and bump version for release 2.5.2
    Fix boot=on flag for CDROMs
    KVM: only pass boot flag once

Conflicts:
NEWS (trivial, merged the entries)...

24be50e0 07/24/2012 06:10 pm Iustin Pop

Fix boot=on flag for CDROMs

This generalises commit 4304964a to cdroms too, since they have
somewhat the same logic. We just abstract the needs_boot_flag into a
separate variable, and then reuse it in the cdrom section.

Note that the logic of what 'if=' type to pass to KVM was very...

2b846304 07/24/2012 06:10 pm Iustin Pop

KVM: only pass boot flag once

This addresses issue 230: passing two methods of booting to KVM can,
depending on the KVM version, confuse it.

Note that commit 4304964a introduced a partial fix for this (but only
for disks, and keyed on KVM versions). However, it didn't fix cdrom...

7cb42171 07/20/2012 12:29 pm Nikita Staroverov

Add support for -cpu option in KVM

This adds supports for the (non-validated) cpu parameter to KVM.

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

3bc145d8 06/12/2012 04:52 pm Bernardo Dal Seno

Fixed typos, formatting, etc and added a comment

This patch only touches comments and man pages.

Signed-off-by: Bernardo Dal Seno <>
Reviewed-by: Iustin Pop <>

5c3d5dfd 06/12/2012 01:02 pm Iustin Pop

Fix epydoc raises L{...} usage

For epydoc raise statement, it already expects an exception which will
be hyperlinked; if passing an L{…} construct, it will instead break
the formatting (the @raise will not be recognised, but merged into the
previous paragraph)....

be0b29bd 06/11/2012 05:52 pm Iustin Pop

Merge branch 'stable-2.5' into stable-2.6

  • stable-2.5:
    Fix race condition in test for *FileID functions
    Move KVM keymap from GenerateRuntime to ExecuteRuntime
    Add the keymap directory to the list of runtime KVM dirs

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

839642c2 06/11/2012 04:29 pm Iustin Pop

Move KVM keymap from GenerateRuntime to ExecuteRuntime

Per issue 243, "side-effects" are GenerateRuntime are bad as they
execute only on the initial node of the instance. By moving the
write-out of the keymap file to ExecuteRuntime, it will be done both
at start and at migrate time....

2911f46c 06/11/2012 04:29 pm Iustin Pop

Add the keymap directory to the list of runtime KVM dirs

Commit 4f580fef added the keymap support, but missed that this
directory needs to be ensured/created at hypervisor init time.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>

5ad68a23 04/13/2012 04:19 pm Michael Hanselmann

Merge branch 'devel-2.5'

  • devel-2.5: (29 commits)
    gnt-* {add,list,remove}-tags: Unify options
    Bump version for 2.5.0 final release
    configure.ac: Fix “too many arguments” error
    Fix extra whitespace
    Further fixes concerning drbd port release
    Fix a bug concerning TCP port release...
744dd57c 03/23/2012 02:45 pm Guido Trotter

Merge branch 'stable-2.5' into devel-2.5

  • stable-2.5:
    LUNodeAdd: Verify version in Prereq
    Fix LV status parsing to accept newer LVM
    Bump version for 2.5.0~rc6 release
    Revert "Stop acquiring BGL for LUXI queries"
    LUClusterVerifyConfig: Share BGL, acquire all locks in shared mode...
596b2459 03/21/2012 05:56 pm Guido Trotter

KVM: don't add -nographic using spice

This fixes issue 222.

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

447af814 01/23/2012 03:39 pm Nikos Skalkotos

Open VDI Port when spice_use_vdagent is enabled

To use the features spice agent provides, a dedicated virtio-serial
channel must be created in qemu-kvm. The communication between the agent
and the other spice components takes place over this channel.

Signed-off-by: Guido Trotter <>...

61eb1a46 01/20/2012 11:44 am Guido Trotter

hypervisors: start instances with max available mem

If we have available more than MINMEM but less than MAXMEM, start a new
instance with that value, rather than MAXMEM.

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

945a7e67 01/20/2012 11:44 am Guido Trotter

kvm: always start in paused state

Currently kvm starts in a frozen state if cpu pinning is set.
This is useful for other purposes as well (eg. ballooning before the
instance uses the memory), so we move the functionality out of the cpu
pinning code.

Note that before the "continue" command was executed in a finally after...

3d836750 01/17/2012 03:01 pm Guido Trotter

Implement memory ballooning in kvm

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

c668ead9 01/06/2012 01:38 pm Guido Trotter

Merge branch 'devel-2.5'

  • devel-2.5:
    KVM: support version reported by 1.0
    doc/admin: Clarify archived jobs

Conflicts:
NEWS: trivial

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

c52d91e6 01/06/2012 01:24 pm Guido Trotter

Merge branch 'stable-2.5' into devel-2.5

  • stable-2.5:
    KVM: support version reported by 1.0

Signed-off-by: Guido Trotter <>
Reviewed-by: Andrea Spadaccini <>

585c8187 01/06/2012 12:27 pm Guido Trotter

KVM: support version reported by 1.0

This of course was working for all the rcs, but broke with 1.0 itself.

In addition:
- split between running kvm --version and parsing its output
- unittest parsing for various known --help outputs
- updated NEWS file...

527c0cf7 12/21/2011 06:01 pm Michael Hanselmann

hv_kvm: Make string containing regex a raw string

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

65107a2f 12/21/2011 05:25 pm Michael Hanselmann

hv_kvm: Style fixes

Change a few lines to match rest of code.

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

9b87c2cf 12/21/2011 05:25 pm Michael Hanselmann

hv_kvm.QmpMessage: Use dict.get

No need to look up the key twice.

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

a182a3ed 12/21/2011 04:55 pm Michael Hanselmann

serializer: Remove JSON indentation and dict key sorting

Serializing to JSON using “simplejson” is significantly slower when
indentation and/or sorting of dictionary keys is used. In simplejson 1.x
the difference isn't that big, but with simplejson 2.x the difference...

fcf5b670 12/08/2011 06:03 pm Guido Trotter

Add a balloon device to all kvm instances

This can be used to resize their memory (for now only manually, as
ganeti doesn't do the job yet)

Signed-off-by: Guido Trotter <>
Reviewed-by: Iustin Pop <>

89da2ff3 12/08/2011 06:03 pm Guido Trotter

kvm: get more accurate info from qmp, if possible

Signed-off-by: Guido Trotter <>
Reviewed-by: Iustin Pop <>

fc84cd5d 12/08/2011 06:03 pm Guido Trotter

kvm: make qmp connections more robust

Currently qmp fails at connect() time if there are socket errors. (eg.
if the instance was started without qmp). Add some better checking.

Also in the only place where we use it avoid hiding the error connecting
to the socket as a failure to read the password file....

f5a4b9ce 11/22/2011 04:53 pm Guido Trotter

hypervisors: use maximum memory for all operations

Signed-off-by: Guido Trotter <>
Reviewed-by: Iustin Pop <>

73ebb9ff 10/20/2011 04:30 pm Guido Trotter

Merge branch 'devel-2.5'

  • devel-2.5:
    Allow per-hypervisor optional files
    Add hypervisors ancillary files list
    xen: abstract a few hardcoded strings as constants

Conflicts:
lib/cmdlib.py
- trivial

Signed-off-by: Guido Trotter <>...

69ab2e12 10/20/2011 03:04 pm Guido Trotter

Add hypervisors ancillary files list

These lists will be used to declare some of the files not necessarily
needed on all nodes. The files selected are files without which the
various hypervisors can still work, but that when they are present
should be synchronized across the cluster (or node group)....

0aee8ee9 10/18/2011 05:21 pm Guido Trotter

Revert "Implementation of TLS-protected SPICE connections"

This reverts commit b6267745ede04b3c943bc02e004bdb9347e0f564.
This commit will be readded on master.

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

9849cec7 10/18/2011 05:21 pm Guido Trotter

Revert "Added SPICE TLS option and related cert paths"

This reverts commit bfe86c763a9ff1b481d799537ff0f0cf6740dfd1.
This commit will be readded on master.

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

53328375 10/18/2011 05:21 pm Guido Trotter

Revert "Add tls_ciphers and use_vdagent options"

This reverts commit 3e40b5879fa0070d6dd0e689dcfc31f20198a5a8.
This commit will be readded on master.

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

3398bff1 09/30/2011 06:23 pm Andrea Spadaccini

Merge branch 'devel-2.5'

  • devel-2.5:
    Use --yes to deactivate master ip in cluster merge
    Use deactivate-master-ip in cluster-merge
    Add gnt-cluster commands to toggle the master IP
    Split starting and stopping master IP and daemons
    listrunner: Don't pass arguments if there are none...
61643226 09/29/2011 12:41 pm Andrea Spadaccini

Add memory transfer progress info to migration

  • hypervisor/hv_kvm.py
    - parse the memory transfer status
  • cmdlib.py
    - represent memory transfer info, if available

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

6a1434d7 09/29/2011 12:41 pm Andrea Spadaccini

Make migration RPC non-blocking

To add status reporting for the KVM migration, the instance_migrate RPC
must be non-blocking. Moreover, there must be a way to represent the
migration status and a way to fetch it.

  • constants.py:
    - add constants representing the migration statuses...
34fbc862 09/28/2011 02:34 pm Andrea Spadaccini

Migration: warn the user about hv version mismatch

  • hv_kvm.py, hv_xen.py
    - return the hypervisor version (if available) from GetNodeInfo
  • cmdlib.py
    - if hypervisor version is available during the migration, and the
    versions differ, warn the user...
1d8a7812 09/23/2011 11:57 am Andrea Spadaccini

Fix interaction between CPU pinning and KVM migration

CPU pinning requires the KVM hypervisor to start in the paused state, in
order to retrieve information, and immediately unpauses it.

This does not play well with live migration, as the unpausing was done...

5916e61a 09/20/2011 06:50 pm Andrea Spadaccini

Merge branch 'devel-2.5'

  • devel-2.5:
    Add tls_ciphers and use_vdagent options
    Updated man pages with new SPICE TLS options
    Implementation of TLS-protected SPICE connections
    Added SPICE TLS option and related cert paths
    Fix OS creation's error handling when pausing sync...
3e40b587 09/20/2011 06:03 pm Andrea Spadaccini

Add tls_ciphers and use_vdagent options

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

bfe86c76 09/20/2011 05:04 pm Andrea Spadaccini

Added SPICE TLS option and related cert paths

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

b6267745 09/20/2011 05:04 pm Andrea Spadaccini

Implementation of TLS-protected SPICE connections

Added support for TLS-protected SPICE connections:

client/gnt_cluster.py, cli.py:
  • added three new parameters to renew-crypto (--new-spice-certificate,
    --spice-certificate, --spice-ca-certificate) and their validation....
471a31b6 09/20/2011 03:23 pm Andrea Spadaccini

Fix two pylint errors

- hv_kvm.py: silence F0401, that is raised if pylint does not find the
affinity module
- rlib2.py: change disable-msg to disable

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

c607b1f7 09/16/2011 05:54 pm Tsachy Shacham

hv_kvm: bugfix

Signed-off-by: Tsachy Shacham <>
Signed-off-by: René Nussbaumer <>
Reviewed-by: René Nussbaumer <>

b693125f 09/15/2011 06:58 pm Tsachy Shacham

hv_kvm: support for CPU pinning

Signed-off-by: Tsachy Shacham <>
Signed-off-by: Iustin Pop <>
[: fixed some small code and style issues]
Reviewed-by: Iustin Pop <>

714e7fbb 09/15/2011 06:58 pm Tsachy Shacham

hv_kvm: fix hardcoded KVM command string

Signed-off-by: Tsachy Shacham <>
Signed-off-by: Iustin Pop <>
Reviewed-by: Iustin Pop <>

e4f4896b 09/15/2011 04:40 pm Guido Trotter

Merge branch 'devel-2.5'

  • devel-2.5: (33 commits)
    htools: remove dead code
    hail: don't select the primary as new secondary
    hail: add an extra safety check in relocate
    Fix RAPI documentation for gnt-instance console
    Add SPICE compression and streaming options...
ea064d24 09/13/2011 03:35 pm Andrea Spadaccini

Add SPICE compression and streaming options

Add the following SPICE audio/image compression and video streaming
detection hypervisor options:

  • spice_image_compression
  • spice_jpeg_wan_compression
  • spice_zlib_glz_wan_compression
  • spice_streaming_video...
4d2cdb5a 09/13/2011 03:29 pm Andrea Spadaccini

Add SPICE support to gnt-instance console

Also update related unit tests.

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

2ebdfbb5 09/07/2011 04:14 pm Andrea Spadaccini

Make KVM use the QXL vga driver with SPICE

Enable by default the QXL paravirtualized graphic card if SPICE is
enabled. The QXL driver is VESA compatible, so it degrades gracefully if
the guest OS does not have QXL drivers.

Signed-off-by: Andrea Spadaccini <>...

0e1b03b9 09/07/2011 12:41 pm Andrea Spadaccini

Use a loop to check SPICE parameters dependency

Use a loop to check if the user specified any SPICE option and SPICE
support is disabled.

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

b451c4c7 09/03/2011 01:03 pm Andrea Spadaccini

Added password for SPICE sessions

Added an optional parameter called spice_password_file that allows
the user to protect the SPICE login with the password contained in
the specified file.

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

91c10532 09/03/2011 01:03 pm Andrea Spadaccini

Draft implementation of QMP connection

Basic implementation of the QMP connection and related tests.

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

8913ab40 08/25/2011 02:13 pm Michael Hanselmann

Merge branch 'devel-2.5'

  • devel-2.5: (32 commits)
    PEP8 style fixes
    Wrap a few long lines
    listrunner: Avoid exception if machine is rebooted
    Remove wrong type declaration from option
    Fix wrong method name in cluster-merge
    Fix --skip-stop-instances help message...
e687ec01 08/25/2011 01:53 pm Michael Hanselmann

PEP8 style fixes

Identified using the “pep8” utility.

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

a7f884d3 08/25/2011 01:50 pm Tsachy Shacham

hv_kvm: initial support for CPU pinning

Signed-off-by: Tsachy Shacham <>
Reviewed-by: Michael Hanselmann <>

b845c8a1 08/15/2011 06:46 pm Andrea Spadaccini

Handle network interfaces without IPs

If the user specified a network interface with no IPs, he would receive
an unhelpful "list index out of range" error. Fixed that.

Signed-off-by: Andrea Spadaccini <>
Signed-off-by: Guido Trotter <>...

11ae7a0a 08/15/2011 06:46 pm Andrea Spadaccini

Fixed potential unreferenced variable usage

I noticed a path in the code that would use spice_ip_version even if
it was not initialized. This patch fixes it.

Signed-off-by: Andrea Spadaccini <>
Signed-off-by: Guido Trotter <>...

b1cb62bd 08/12/2011 06:08 pm Andrea Spadaccini

Added basic support for SPICE

Implemented the following parameters:
- spice_bind
- spice_ip_version

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

d7e4a2b1 08/09/2011 03:32 pm Andrea Spadaccini

Fixed an error in the documentation of _GetKVMVersion

Fixed an epydoc compilation error that I introduced with last commit.

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

440351f8 08/09/2011 02:29 pm Andrea Spadaccini

Removed code duplication for calls to _GetKVMVersion

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

e2d14329 08/08/2011 06:50 pm Andrea Spadaccini

Changed NET_PORT_CHECK to REQ_NET_PORT_CHECK, to improve consistency

I originally made this change because I needed the OPT_NET_PORT_CHECK,
and I am committing it even if I don't need anymore OPT_NET_PORT_CHECK
because IMO it improves the consistency of the name of the wrappers....

990ade2d 07/29/2011 01:59 pm Stephen Shirley

Add "reboot_behavior" hypervisor flag

During instance installations, you do not want the instance to reboot
and start again with the same parameters, as that will most likely
re-start the install process. Therefore, when the instance requests a
reboot it should instead shutdown. This flag allows this to be...

d0c8c01d 07/25/2011 04:55 pm Iustin Pop

Most boring patch ever

s/'/"/ in (hopefully) the right places.

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

4f580fef 07/21/2011 08:38 am Sébastien Bocahu

Add support for KVM keymaps

Signed-off-by: Sébastien Bocahu <>
Signed-off-by: Michael Hanselmann <>
Reviewed-by: Michael Hanselmann <>

2f4c951e 07/15/2011 12:27 pm Stephen Shirley

Adding a wrapper around connecting to kvm console

The wrapper will connect to the console, and check in the background if
the instance is paused, unpausing it as necessary.

Signed-off-by: Stephen Shirley <>
Reviewed-by: Michael Hanselmann <>

b795a775 07/11/2011 05:53 pm Michael Hanselmann

Merge branch 'devel-2.4'

  • devel-2.4:
    ht: Add new check for numbers
    Fix off-by-one bug in job serial generation
    Shorten some unbreakable lines in man pages
    Correct some spelling mistakes
    Fix bug in recreate-disks for DRBD instances
    Fix a lint warning...
7238edb5 07/11/2011 05:16 pm Iustin Pop

Reverts the patch series about console wrappers

This reverts commits 030a9cb8022b83bf43ec14dfbafd943299bc01c4 and
ae082df0000a785b693b2f4aa434650a81a94bdf.

There are two problems:

- Makefile.am breakage, which is trivial to revert
- unittest breakage, which honestly I'm not sure how to fix and how...

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 <>...

ae082df0 07/08/2011 03:15 pm Stephen Shirley

Adding a wrapper around connecting to kvm console

The wrapper will connect to the console, and check in the background if
the instance is paused, unpausing it as necessary.

Signed-off-by: Stephen Shirley <>
Reviewed-by: Michael Hanselmann <>

cc8a8ed7 06/28/2011 12:56 am Apollon Oikonomopoulos

KVM: configure bridged NICs at migration start

Commit 5d9bfd870 moved tap interface handling from KVM to Ganeti, partly
to also solve the problem of routed interfaces getting configured too
early during live migrations, causing network anomalies. In that...

de2b0d1d 06/23/2011 05:47 pm Guido Trotter

Merge branch 'devel-2.4'

  • devel-2.4:
    LUInstanceCreate: use opcodes.RequireFileStorage
    Don't add ",boot=on" to disks on kvm >= 0.14
    KVM: fix per-instance stored UID value

Conflicts:
lib/cmdlib.py
- use RequireSharedFileStorage there

Signed-off-by: Guido Trotter <>...

4304964a 06/23/2011 04:51 pm Guido Trotter

Don't add ",boot=on" to disks on kvm >= 0.14

Under newer kvm this prevents the vm from starting.
Ah, change!

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

3af16328 06/22/2011 07:16 pm Apollon Oikonomopoulos

KVM: fix per-instance stored UID value

When using the pool security model, ExecuteKVMRuntime was storing the
instance's UID using str(uid), which would result in storing the
LockedUid.
_repr__() result:

$ cat /var/run/ganeti/kvm-hypervisor/uid/xxxxxxxxxxxxx...
fba7f911 05/10/2011 07:40 pm Marco Casavecchia

Use floppy disk and a second CDROM on KVM

Hi all,
this patch will add 3 new KVM parameters and a new option.

New Parameters:
- floppy_image_path = "" -> Specify the floppy image to load as
floppy disk.
- cdrom2_image_path = "" -> Specify a second cdrom image to load on...

cc130cc7 05/02/2011 12:16 pm Marco Casavecchia

Use floppy disk and a second CDROM on KVM

Hi all,
this patch will add 3 new KVM parameters and a new option.

New Parameters:
- floppy_image_path = "" -> Specify the floppy image to load as
floppy disk.
- cdrom2_image_path = "" -> Specify a second cdrom image to load on...

41e794f6 03/08/2011 02:01 pm Apollon Oikonomopoulos

KVM: use cache=none for shared disk templates

Disable host cache for externally mirrored disks to avoid cache incoherency.
Without this, migrations between the same two nodes may end up in disk
corruption.

This is a runtime override of cluster defaults, mostly a workaround....

199b2053 01/18/2011 02:55 pm Apollon Oikonomopoulos

KVM: Add auxiliary functions to handle tap devices

Add two new functions, _OpenTap and _ProbeTapVnetHdr, to
hypervisors.hv_kvm.

_ProbeTapVnetHdr checks if the host kernel supports the virtio net header
(IFF_VNET_HDR) feature. This feature allows KVM to ask the the host kernel to...

5d9bfd87 01/18/2011 02:55 pm Apollon Oikonomopoulos

KVM: Perform network configuration in Ganeti

This patch introduces network configuration for KVM in Ganeti.

There are three problems with having KVM perform network configuration via ifup
scripts:
a) Ganeti never gets to know the tap interface that is associated with an...

7be85163 01/18/2011 02:55 pm Guido Trotter

KVM: don't fail removing non-existing nic path

This shouldn't normally happen, but if it does no need to fail.

Signed-off-by: Guido Trotter <>
Reviewed-by: Michael Hanselmann <>

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 <>

049383d9 12/06/2010 08:48 pm Adeodato Simo

hv_kvm.py: fix some lint issues introduced in 4b784cf

In particular:

- break as couple lines that were longer than 80 characters
- fix a couple "comma not followed by a space"
- fix an unused variable warning

Signed-off-by: Adeodato Simo <>...

3f2eba25 12/03/2010 05:48 pm Miguel Di Ciurcio Filho

kvm: Make _GetKVMVersion() return integers

The current code returns the major, minor and rev portions of the version of
KVM as strings. Returning them as integers makes it easier to compare.

Signed-off-by: Miguel Di Ciurcio Filho <>...

4b784cf8 12/03/2010 05:48 pm Miguel Di Ciurcio Filho

kvm: Improve network syntax and tests

The current syntax when defining a NIC uses a pair of arguments, like this:

-net tap,vlan=0 -net nic,vlan=0,model=virtio

When using this pair, internally KVM will create a VLANState structure to send
ethernet frames between the guest NIC and the host tap device. This is...

72884fef 10/05/2010 06:08 pm Michael Hanselmann

Merge branch 'devel-2.2'

  • devel-2.2:
    Add simple unittest for utils.CommaJoin
    LUDelTags: Improve formatting of error message
    LUGetTags: Acquire locks in shared mode
    gnt-cluster: Replace hardcoded “xenvg” with value retrieved from master
    Export VG name via LUQueryConfigValues...