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# Date Author Comment
1cafd236 01/30/2008 01:14 pm Guido Trotter

Export bridge information too

gnt-backup export used to export the ip and mac of each nic, but not which
bridge it was connected to. Adding this information.

Reviewed-by: iustinp

d87ae7d2 01/21/2008 04:33 pm Iustin Pop

Fix VG listing broken by r510

LVM code sometimes adds an extra separator at the end of the field list.
Make the code strip it if exists.

Reviewed-by: imsnah

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....

97628462 01/21/2008 12:09 am Iustin Pop

Change a hardcoded path into its proper constant

The function backend.UploadFile still uses "/etc/hosts" directly instead
of the existing constant; this patch fixes this.

Reviewed-by: ultrotter

147af04d 01/16/2008 06:01 pm Iustin Pop

Two small style fixes

This is a merge from the 1.2 branch

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...

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...

ff73280e 12/04/2007 01:21 pm Michael Hanselmann

On OS creation errors, write logfile path to ganeti-noded's logfile.

Reviewed-by: schreiberal

f675d4aa 12/04/2007 01:18 pm Alexander Schreiber

Output reading fix for backend.NodeVolumes()

Use result.stdout instead of result.output to avoid potential confusion
by merged in error messages from stderr.

Reviewed-by: iustinp

f49a5e02 12/04/2007 12:37 pm Alexander Schreiber

Modify GetVolumeList so output on stderr from lvs doesn't break it.

Reviewed-by: imsnah

f4bc1f2c 12/03/2007 04:03 pm Michael Hanselmann

Various code style fixes for strings.

- When line wrapping is needed, move spaces to the next line.
- Remove embedded line breaks from error messages.

Reviewed-by: schreiberal

20a0c9ef 11/14/2007 11:52 pm Guido Trotter

When an assembly error occurs log it too

Right now an assembly error produces an exception but not a log message. This
is bad because the exception suggests looking at the log, but the log itself
has a lot of errors which are not really a problem and only some which really...

7803d4d3 11/13/2007 01:11 am Iustin Pop

Fix a wrong comparison in _RecursiveAssembleBD

We want to prevent sending too many 'None' children to a device.
However, the test as it is today is wrong, as we want to test the
situation after adding a new child, and not before. This patch fixes
this by testing greater-or-equal instead of just greater....

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...

fc1dc9d7 11/06/2007 07:00 pm Iustin Pop

Allow DRBD8 operation without backing storage

This patch adds the following functionality:
- DRBD8 devices can assemble without local storage (done by allowing
None in the list of children, and making DRBD8 to ignore all
children if any is None)...

e739bd57 11/06/2007 07:00 pm Iustin Pop

Change the way remove children is called in bdev

For some cases, we don't have to have access to the children of a device
in order to remove them (e.g. md over lvs, or drbd over lvs). In order
to ease the removal process, skip over finding the child if it provides...

cf5a8306 11/05/2007 05:08 pm Iustin Pop

Fix a unhandled error case in device creation

The block device creation process is the following:
- device create
- device assembly (on primary or depending on dev_type, on secondary
too)
- set sync speed
- return

The problem is that device assembly after creation was not checked for...

65fe4693 11/05/2007 05:06 pm Iustin Pop

Miscellaneous style fixes

This patch fixes some minor pylint warnings (unused variables, wrong
indentation, etc.) and a real bug in the recovery for drbd8 rename
procedure.

Reviewed-by: imsnah

8fa42c7c 11/05/2007 02:43 am Guido Trotter

Make DiagnoseOS use the modified OS objects

Modify backend.py so that DiagnoseOS only returns OS objects rather than
InvalidOS errors, and make sure gnt-os understands the new objects. Also delete
the deprecated helper functions from gnt-os.

Reviewed-By: iustinp

74b4217d 11/04/2007 05:37 am Guido Trotter

Fix two typos in a doc string

Remove a wrong "i" and add a missing ")" to the DiagnoseOS function doc string.

Reviewed-By: iustinp

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,...

5d0fe286 11/01/2007 07:22 pm Iustin Pop

Whitespace fixes

Reviewed-by: ultrotter

233d06c5 10/29/2007 06:02 pm Iustin Pop

Fix a non-clear error message

Reviewed-by: imsnah

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...

f3e513ad 10/29/2007 05:44 pm Iustin Pop

Implement block device renaming

This patch add code for renaming a device; more precisely, for changing
the unique_id of the device. This means:
- logical volumes, rename the volume
- drbd8, change the remote peer

This is needed for the being able to replace disks for drbd8....

153d9724 10/25/2007 02:22 pm Iustin Pop

Modify two mirror-device related rpc calls

The two calls mirror_addchild and mirror_removechild take only one child
for addition/removal. While this is enough for our md usage, for local
disk replacement in drbd8, we need to be able to specify both the data...

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

2f8598a5 10/15/2007 04:06 pm Alexander Schreiber

Trivial typing fixups.

Reviewed-by: iustinp

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...

71eca7c3 10/12/2007 03:30 pm Iustin Pop

Do not walk the whole DATA_DIR on node leave

Since we remove only files from DATA_DIR and not from subdirectories,
let's not walk the entire tree, a simple listdir suffices. Also switch
to utils.RemoveFile from simple os.unlink.

Reviewed-by: imsnah

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

3ef10550 10/08/2007 06:18 pm Michael Hanselmann

Add boot id to “gnt-node list”.

Reviewed-by: iustinp

eedbda4b 10/08/2007 11:59 am Michael Hanselmann

Add function to list files in a directory, excluding those beginning with a
dot.

Reviewed-by: iustinp

0ee60a28 10/04/2007 06:49 pm Guido Trotter

Remove redundant check.

This isdir() check leads to a broken error message. Even fixing it creates some
cases in which the error message is nebulous and unclear while removing it
makes this situation be dealt with a lot better by the _OSOndiskVersion checks....

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

56bcd3f4 10/03/2007 05:11 pm Guido Trotter

Second part of the OS search path cleanup

Abstract the _OSSearch function, to look for an OS in the search path
Make OSFromDisk accept an optional base_dir, rather than the os_dir itself

Reviewed-by: iustinp

c26dabd7 10/03/2007 02:21 pm Guido Trotter

Make parameter os_dir mandatory for _OSOndiskversion.

First part of the OS search path cleanup. _OSOndiskversion is only ever called
once, and with that argument set, so let's make it mandatory.

Reviewed-by: iustinp

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

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

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

Reviewed-by: iustinp

c6b8baba 09/25/2007 02:41 pm Michael Hanselmann

Add configure option for init.d/ssh script. This is useful for distributions
with the script named differently than Debian.

Reviewed-by: ultrotter

9716fdce 09/17/2007 02:53 pm Iustin Pop

A few minor fixes in backend.py

This uses the recently-added Instance.FindDisk() method instead of
hard coded find-disk code.

It also renames one parameter to AddNode from ssh to sshkey in order not
to shadow the ganeti.ssh module.

Reviewed-by: imsnah

decd5f45 09/17/2007 02:52 pm Iustin Pop

Implement instance rename operation

This patch adds support for instance rename operation at all remaining
layers: RPC, OpCode/LU and CLI.

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...

72f0f7fd 09/13/2007 02:31 pm Iustin Pop

Fix the ssh change which breaks remote ssh commands

Explanation: since we use lists and not a string, every argument we give
is passed unchanged to the remote shell. So, for example, passing
'/etc/init.d/ganeti restart' to the remote shell, it will try to run the...

00003458 09/07/2007 02:30 pm Guido Trotter

Make import/export use the auxiliary ssh library to build the remote commands.

This avoids forgetting some parameters, as it's happening right now
(the correct known host file is not being passed)

In order to do so we split SSHCall into an auxiliary BuildSSHCmd which builds...

c20494cd 08/30/2007 05:32 pm Iustin Pop

Add a safety check to the backend.AddOSToInstance

This changes a ';' to '&&' to make sure we run the create script from
the correct directory.

Reviewed-by: imsnah

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...

3ecf6786 08/14/2007 06:17 pm Iustin Pop

Style changes for pep-8 and python-3000 compliance.

This changes the raising of exceptions from:
raise Exception, value
to
raise Exception(value)

as the first form will be removed in python-3000 and the second form is
preferred now.

The changes also involve a few cases of changing from raising standard...

a0c3fea1 08/03/2007 03:35 pm Michael Hanselmann

Add instance name to LVM volume as a tag.

Reviewed-by: iustinp

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

Put synchronization speed into constant.

Reviewed-by: iustinp

098c0958 07/26/2007 02:40 pm Michael Hanselmann

Comment formatting updates.

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

dcb93971 07/24/2007 02:45 pm Michael Hanselmann

- Implement “gnt-node volumes”
- Create all --output options using a constant
- Put node checking code from opcodes into a single function
- Do the same for output fields

Reviewed-by: iustinp

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.