Synnefo » snf-ganeti

Fix incomplete mac address export to hooks

This patch completes the change introduced in r566 (trunk) and r568
(branch-1.2).

Reviewed-by: imsnah

Make the mouse more usable in VNC for HVM.

Reviewed-by: imsnah

Improve the documentation of query output fields

The gnt-node and gnt-instance list commands have a customizable list of
output fields, but the list is not up to date (in the man page) and not
easily understandable from the ‘--help’ output.

This patch updates the man pages and adds the available fields and...

Fix "gnt-instance modify --initrd"

The new QA tests for instance modify uncovered a bug in the modify
initrd operation when setting the initrd to none.

Reviewed-by: imsnah

Add support for command aliases

Passing a new aliases dict to generic main we can easily support aliases for
compatibility reasons or simply useability.

Reviewed-by: iustinp

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....

Abstract node memory checking into a separate function

The checking of a node's free memory (via rpc.call_node_info) is done in
both start instance an failover. This patch abstracts this call,
together with the appropriate error handling, into a separate function...

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

Two small style fixes

This is a merge from the 1.2 branch

Reviewed-by: imsnah

Fix CreateInstance new optional parameters

Some new paramenters of the CreateInstance opcode are optional (namely
kernel_path, initrd_path and hvm_boot_order) but their absence makes the code
crash. Fix this by initializing them to a default value if they're not present....

Add boot_order entry to Instance object.

First step to support custom boot device order for HVM instances, add a
location to actually store that information for the instance.

Reviewed-by: iustinp

Change the Xen PVM to use the new kernel options

This patch changes the hypervisor to use the new kernel and initrd
instance attributes. They kernel is handled as expected (use the custom
or the default one), but the initrd is treated a little bit special, in...

Allow defining the kernel/initrd at creation time

This patch adds support for defining the kernel/initrd at instance
creation time, using the same interface as in instance modify.

Reviewed-by: imsnah

Add kernel/initrd paths to the instance object

This patch adds two new attributes to the instance object:
- kernel_path
- object_path

The code ignores them and the configuration handling is not broken by
this addition.

Reviewed-by: imsnah

Activate logical volumes at Assemble() time

This patch changes the Assemble() method for logical volumes from a noop
to do a `lvchange -ay` on the logical volume; this ensures that if the
logical volume is not active, we are able to activate and use it.
...

Add unittest for DRBD8 drdbsetup show parser

This patch changes the bdev.DRBD8._GetDevInfo to take a string instead
of a minor, separates the `drbdsetup show` invocation into a new
separate method (bdev.DRBD8._GetShowData) and modifies the rest of the
DRBD8 class to make the appropriate calls....

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

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

Internal API change for instance console access.

Change the internal hypervisor API for GetShellCommandForConsole, we
now call it with the instance instead of just the instance name.

This is a prep patch for HVM, since HVM needs more than just the instance...

Specify hint as a named argument

hint is declared as a named argument for the LogWarning function. Make its
caller pass it naming it.

Reviewed-by: iustinp

Handle ^C while trying to acquire the lock

When waiting for the lock and pressing ^C, the user will get a backtrace
as the KeyboardInterrupt exception is not handled. The patch adds a
simple method of handling it.

Note that this is not about ^C in any other place....

Add LUVerifyDisks

This patch adds a new LUVerifyDisks that implements the OpVerifyDisks.
The algorithm is that by determining not-used logical volumes for
instances that are supposed to be running, we presume from there that
the DRBD devices are not online and therefore one should...

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...

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

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

Reviewed-by: imsnah

Fix parsing of drbdsetup show output

This fixes the parsing of integers in the drbdsetup show output with
newer pyparsing versions.

Basically, the convert-to-int action that we use was taken from the
example documentation of an older pyparsing version that automatically...

Make utils.RunCmd log failures when using debug

This patch adds logging of command failures to the debug log in case the
user either started the command (gnt-*) or the node daemon with the
debug flag.

Reviewed-by: imsnah

Drop the Rename method of DRBD8 devices

Since we now do changes of remote peers in two steps (Attach with no
network information and then Attach with the new peer's data), we don't
need this operation anymore.

Reviewed-by: imsnah

Relax even more the identification of DRBD8 devices

This patch adds a new success condition for identifying DRBD8 devices:
if the local device is correct, but the network peer is not, we shutdown
the network and attach to the correct one (this also handles going to...

Sort list returned by ListVisibleFiles.

If we didn't sort this list, files would be in arbitrary order.

Reviewed-by: iustinp

Fix logging in drbd _ShutdownNet method

We didn't test for failure, just always logged the output.

Reviewed-by: imsnah

Add function to return list with unique elements.

Reviewed-by: ultrotter

Don't remove master's hostname from /etc/hosts on cluster destroy.

This fixes issue #13.

Reviewed-by: schreiberal

Give more details on errors when trying to run “lvdisplay”.

Reviewed-by: schreiberal

Fix another breakage in SetEtcHostsEntry

The code assumes all lines have at least two elements which are
whitespace separated - i.e. it does not deal with empty lines or comment
lines with no spaces. This patch fixes this.

Also, the patch replaces the blank between IP and the canonical name...

Fix functions for /etc/hosts.

- Combine hostname and aliases on one line
- Fix bug with wrongfully removed newline characters
- Use wrapper for SetEtcHostsEntry in cmdlib

Reviewed-by: iustin

Add functions for known_hosts files.

Reviewed-by: TODO

Relax replace_disks_all meaning for drbd8

In order to make the replace secondary action to be done via the same
opcode parameters for both remote_raid1 and drbd, we must allow the
LUReplaceDisks to change replace_disks_all for drbd with non-empty
remote_node into replace_disks_sec....

Use new functions to modify /etc/hosts.

Reviewed-by: schreiberal

Cleanup temporary file in RemoveAuthorizedKey.

Reviewed-by: schreiberal

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...

Remove --secondary-node option.

Replace --secondary-node option with an optional parameter for --node.

Implement degraded status for logical volumes

Logical volumes can be 'degraded' in a similar way to mirrored devices,
when their underlying storage has gone away (i.e. after a physical disk
failure and 'vgreduce --removemissing'). If we can detect this, we can...

Enhance mirror operations for DRBD8

Currently, the mirror operations (add and remove children) test against
the instance's attributes. This patch changes the check tests to work
against the actual status of the device (i.e. live data) which is more
realistic....

Make DRBD8 disks show 'degraded' status if diskless

This patch enables the bdev.DRBD8 class report a degraded status if the
local disk is missing. This allows `gnt-instance info` to report the
actual situation in this case.

Note that DRBD7 should also behave like this, however the diskless case...

Add a support function to objects.Disk

This patch adds a function returning the device path if it is computable
from the disk object (and we don't need to instantiate a bdev object on
the target node in order to compute this). Only LVs support this.

Reviewed-by: imsnah

Handle missing init script at cluster init

This patch adds a check in the prereq of LUInitCluster for the existence
of the init script. This allows a clean abort instead of a stack dump.

Based on a report by admin@steibei.net

Reviewed-by: ultrotter

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

Bump protocol version up

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

Reviewed-By: iustinp

Simplify diagnose mangling/unmangling functions

The functions in ganeti-noded and rpc.py still deal with the fact that an
InvalidOS error could be returned by DiagnoseOS. As this is not the case
anymore simplify their code for the current behavior.

Reviewed-By: iustinp