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# Date Author Comment
f4d377e7 01/21/2008 12:13 am Iustin Pop

Make backend._GetVGInfo check the validity of 'vgs'

Currently, the function backend._GetVGInfo only checks for errors via
the exit code of the 'vgs' command. However, there are other ways of
failure so we need to also check for valid output before parsing....

1ed70996 01/21/2008 12:02 am Iustin Pop

Fix run directory for the fake hypervisor

Currently the fake hypervisor has hardcoded ‘/var/run’ as a base
directory for its store. This patch adds a constant RUN_DIR that is used
for both the fake hypervisor and for BDEV_CACHE_DIR.

Reviewed-by: ultrotter

25c5878d 01/11/2008 02:13 pm Alexander Schreiber

Support selecting the boot device order for HVM.

This patch adds support for specifying and changing the boot device order for
HVM instances. The boot device order specification is ignored for non HVM
instances.

Reviewed-by: iustinp

973d7867 01/08/2008 01:03 pm Iustin Pop

Add support for modifying the kernel/initrd path

This patch adds support in ‘gnt-instance modify’ to set the kernel and
initrd paths. The user can pass either 'default' or 'none' (none is not
valid for kernel).

Reviewed-by: imsnah

b63ed789 01/07/2008 03:30 pm Iustin Pop

Improve verify-disks: broken/missing LV detection

This patch improves the ‘gnt-cluster verify-disks’ command by adding
support for detecting broken volume groups and missing logical volume
names.

As such, we don't try anymore to activate disks for instances that are...

2a6469d5 12/20/2007 06:47 pm Alexander Schreiber

Proof-of-Concept HVM support for Ganeti.

This patch implements a first proof-of-concept for HVM support in Ganeti.
Due to the nature of this patch, it is intended for test environments
only.

Reviewed-by: iustinp

631eb662 12/20/2007 11:58 am Alexander Schreiber

Use a generic Xen hypervisor interface.

Abstract the parts of the Xen hypervisor interface shared by both PVM and
HVM into a generic interface, subclass the special case PVM from that.

Prepatch for adding HVM support.

Reviewed-by: iustinp

2584d4a4 12/18/2007 04:05 pm Alexander Schreiber

cleanup for hypervisor constants

Move constant definitions for hypervisor into constants.py

Reviewed-by: ultrotter

58acb49d 12/17/2007 04:53 pm Alexander Schreiber

Add instance port support.

Extends the instance object by adding a port item, also adds changes
to print this port via gnt-instance info.

Reviewed-by: iustinp

cb2037a2 12/11/2007 06:25 pm Iustin Pop

Return more data in rpc.call_volume_list

Currently, the volume_list call returns only the volume size. However,
it is useful to also have two other things: the 'inactive' state of the
volume (which might trigger a ‘vgchange -a y’ on the volume group) and...

3aecd2c7 11/29/2007 06:52 pm Iustin Pop

Replace hardcoded lock dir

This patch replaces the hardcoded ‘/var/lock/’ directory with one based on
LOCALSTATEDIR.

Reviewed-by: imsnah

c8a0948f 11/09/2007 04:54 pm Michael Hanselmann

Use new functions to modify /etc/hosts.

Reviewed-by: schreiberal

0834c866 11/07/2007 05:53 pm Iustin Pop

Enhance secondary node replace for drbd8

This (big) patch does two things:
- add "local disk status" to the block device checks
(BlockDevice.GetSyncStatus and the rpc calls that call this
function, and therefore cmdlib._CheckDiskConsistency)
- improve the drbd8 secondary replace operation using the above...

8ee53a06 11/05/2007 02:44 am Guido Trotter

Bump protocol version up

The OS cleanup patches change the wire protocol. Increment the protocol number
by one.

Reviewed-By: iustinp

37482e7b 11/05/2007 02:42 am Guido Trotter

Make the OS object able to represent broken OSes

Till now the OS object just represents a correct OS instance. Change it so it
can represent a broken one too, by adding a "status" field: if this field is
different from the OS_VALID_STATUS constant the object is considered to be an...

3f78eef2 11/02/2007 03:44 pm Iustin Pop

Implement device to instance mapping cache

Currently, troubleshooting DRBD problems involves a manual process of going
backwards from the DRBD device to the instance that owns it.

This patch adds a weak (i.e. not guaranteed to be correct or up-to-date)
cache of device to instance. The cache should be, in normal operation,...

a9e0c397 10/29/2007 05:49 pm Iustin Pop

Implement replace-disks for drbd8 devices

This patch adds three modes of disk replacement for drbd8:
- replace the disk on the primary node
- replace the disk on the secondary node
- replace the secondary node

It also adds some debugging code to backend.py and increments the...

a1f445d3 10/24/2007 05:43 pm Iustin Pop

Initial implementation of drbd8 template type

This is a partially working drbd8 template type. It does:
- add/remove
- startup/failover/shutdown

Not working is replace disks, which needs custom code for this template.

Reviewed-by: imsnah

aa4260ca 10/19/2007 02:49 pm Iustin Pop

Some tiny style fixes

Reviewed-by: imsnah

fe96220b 10/19/2007 02:48 pm Iustin Pop

Abstract more strings values into constants

Currently, the disk types are defined using constants in the code.
Convert those into constants so that we can easily find them and check
their usage.

Note that we don't rename the values of the constants as they are used...

007a2f3e 10/17/2007 06:00 pm Alexander Schreiber

Patch series for reboot feature, part 1

This patch series implements the reboot command for gnt-instance. It
supports three types of reboot: soft (hypervisor reboot), hard (instance
config rebuild and reboot) and full (full instance shutdown and startup
again)....

70d9e3d8 10/16/2007 11:28 am Iustin Pop

Replace more ssh paths with proper constants

The node's ssh keys filenames are now provided as constants; this should
allow easier customization.

Also, the user's ssh key computing has been abstracted into ssh.py

Reviewed-by: imsnah

7900ed01 10/12/2007 05:53 pm Iustin Pop

Remove some hardcoded names/paths from backend.py

This patch does the following:
- add constants.GANETI_RUNAS = "root", which is used to compute
the homedir (and thus the .ssh directory) instead of hardcoding
"/root/.ssh" in backend.AddNode and backend.LeaveCluster...

6a4aa7c1 10/11/2007 06:23 pm Iustin Pop

Implement post-configuration-update hook

This patch adds a special hook: the post-configuration update hook. This
hook has only a post phase that runs after a top-level LU that modified
the configuration.

Since the hook is a post-phase one, no error checking is done on the...

16abfbc2 10/10/2007 08:20 pm Alexander Schreiber

Remove fping as a dependency for Ganeti.

This patch completely gets rid of fping
- replace all fping invocations with TcpPing calls
- update documentation accordingly.
- associated cleanups (use constant for localhost IP, use more sensible
defaults for TcpPing and use those)...

a5bc662a 10/10/2007 02:10 pm Iustin Pop

Implement gnt-node evacuate

This patch adds a new 'evacuate' subcommand to gnt-node. The command
will do a replace disks for all instances having that node as secondary
with the new target being the new node given.

The syntax is:
gnt-node evacuate src_node target_node...

f00b46bc 10/10/2007 01:58 pm Michael Hanselmann

Make Xen DomU kernel and initrd configurable at build time.

Reviewed-by: iustinp

2f31098c 10/10/2007 01:00 pm Iustin Pop

Remove the shebang from modules

Since modules are not directly executables, remove the shebang from
them. This helps with lintian warnings.

Also make the autogenerated _autoconf.py contain two comment lines at
the beginning, like the other modules.

Reviewed-by: ultrotter

5a3103e9 10/10/2007 11:12 am Michael Hanselmann

Detect node restarts and reactivate disks.

- Change format of watcher state file to JSON.
- Move log path for watcher script to constants.py.

Reviewed-by: iustinp

305a7297 10/04/2007 02:51 pm Guido Trotter

Ship (and display) path for InvalidOS errors too.

- Document the expected change to errors.InvalidOS
- Always pass the additional argument
- Modify DiagnoseOS output to show the path

Reviewed-by: iustinp, imsnah

7c3d51d4 09/28/2007 12:39 pm Guido Trotter

Change constants.OS_DIR with constants.OS_SEARCH_PATH which includes all the
directories which can contain OS scripts.

The list defaults to the current one but can be changed at configure time.

Reviewed-by: imsnah

68dccc07 09/27/2007 07:02 pm Guido Trotter

Make the default export path configurable.

This is needed to improve FHS compliance for distribution integration.
The need was discussed on the alioth pkg-ganeti project.

Reviewed-by: imsnah

f491c3a8 09/25/2007 04:04 pm Michael Hanselmann

Rename constants for SSH init script by Iustin's request.

Reviewed-by: iustinp

619fdc8e 09/21/2007 04:36 pm Iustin Pop

Move a constant from ganeti-master to constants.py

The EXIT_NODESETUP_ERROR is a useful constant and ganeti-watcher could
use it too. This patch moves it to constants.py and modifed the
ganeti-master script to use it from there.

Reviewed-by: imsnah

386b57af 09/17/2007 01:52 pm Iustin Pop

Add support for rename operation in the OS API

This patch adds support for renaming at OS level. Because of this, we
need to bump up the version of the OS api from 4 to 5.

The patch also documents the new script interface in the
ganeti-os-interface(7) man page and adds a section on upgrading the OS...

2ec08468 09/04/2007 02:32 pm Michael Hanselmann

Use _autoconf.py instead of version.py, generated by Makefile with more
variables. The underline is there to mark it as a private module.

Reviewed-by: iustinp

7c18ef8e 09/03/2007 05:42 pm Michael Hanselmann

- Generic automake cleanup
- Bump version number to 1.2b2
- Add version.py file generated from version.py.in by autoconf

Reviewed-by: schreiberal

82122173 08/24/2007 12:20 pm Iustin Pop

Rework ssh known-hosts handling.

This changes:
- cluster setup, we no longer edit /etc/ssh/ssh_known_hosts but our
own file
- node add, we no longer remove root's known_hosts (twice)
- gnt-instance console, both the LU and the script: since now the ssh...

5c947f38 08/08/2007 12:37 pm Iustin Pop

Implement tag support for cluster, nodes and instances.

This is only the backend part, from the command line the tags can't be
read/modified yet.

Reviewed-by: imsnah

e31c43f7 08/03/2007 12:18 pm Michael Hanselmann

Put synchronization speed into constant.

Reviewed-by: iustinp

cf62a272 08/02/2007 06:54 pm Michael Hanselmann

Put default bridge into constant.

Reviewed-by: iustinp

0006af7d 08/02/2007 04:45 pm Michael Hanselmann

Add configuration upgrade utility.

Reviewed-by: iustinp

cb91d46e 07/25/2007 02:46 pm Iustin Pop

Since the watcher can run on all nodes, let's get rid of the cron file
handling, as it can be static and outside of ganeti.

This also means we can get rid of a lot of infrastructure too:
- the master/node config files checkers
- one rpc function

38242904 07/25/2007 11:05 am Iustin Pop

Make the ganeti-watcher exit gracefully if it's not run on the master.

Reviewed-by: imsnah

880478f8 07/23/2007 05:38 pm Iustin Pop

Big change/cleanup in relation to the master startup:
- move the master node name from the ConfigWriter to SimpleStore (all
nodes need this, and it was the only thing pulled in from the
ConfigWriter on nodes)
- fix mcpu.py and the testing w.r.t. this change; for testing, rename...

a8083063 07/16/2007 04:39 pm Iustin Pop

Initial commit.