Synnefo » snf-ganeti

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

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...

Fix logging of some checks in LUClusterVerify

Currently, the results of ConfigWriter.VerifyConfig() are lost. Make
sure we log them too in cluster verify.

Reviewed-by: ultrotter

Replace disk template drbd8 with drbd where missing.

Reviewed-by: iustinp

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

This fixes issue #13.

Reviewed-by: schreiberal

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....

Changes related to logging

This patch modifes:
- mcpu.Processor.LogWarning to have its 'hint' parameter as optional
and only log it if not None
- cmdlib._WaitForSync to not log directly to stdout/stderr but via the
proc.Log(Info|Warning) methods...

Check whether init.d script is executable.

Reviewed-by: schreiberal

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

Convert os_get to use OS rather than InvalidOS

In order to do this for simplicity we leave the OSFromDisk function as-is and
we convert the eventual exception to an OS object in ganeti-noded. The
unmangling gets simplified and so does the code for checking whether the OS is...

Implement tag searching

This patch adds a search command for locating tags on all objects of the
cluster using a regex pattern.

Reviewed-by: aat

More sane handling of errors during failover

Currently we ignore errors on instance shutdown (on the source node)
during instance failover. We should do this only if the user gave a
command line options allowing this, as it's a dangerous thing to do.

This patch fixes this by using the same "--ignore-consistency" option...

Fix _UpdateEtcHosts to understand empty lines.

Reviewed-by: schreiberal

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...

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

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...

Make “gnt-cluster verify” exit 0 if there's no problem with instances.

Reviewed-by: schreiberal

Allow force removal of instances

This patch adds a new option to the instance removal command
"--ignore-failures" that forces the removal of the instance from the
configuration even if the removal process encounters errors.

In order to be able to do this when the remote node(s) is(are) down, we...

Some small improvements to the hooks environment

For the configuration update hook, it's useful to have a consistent name
for the target of the operation. As such, the LU code is modified to
include an GANETI_OP_TARGET that points either to the cluster (name),...

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)...

Add boot id to “gnt-node list”.

Reviewed-by: iustinp

Fix tags operations for instances

Reviewed-by: imsnah

Allow 'add instance' to not start the new instance

This patch allows 'gnt-instance add' to not start the newly-created
instance. It also allow 'gnt-instance add' and 'gnt-backup import' to
not check for IP conflicts (only when not starting the instance)....

Implement cluster rename operation

This patch adds a new OpCode (and corresponding LU) that implements the
cluster rename functionality.

This is done by shutting down the master role, making the needed sstore
modifications and distributing the changed files to all nodes, and then...

Change OpQueryNodes nodes attribute to names

Change this to have the exact same parameters as OpQueryInstances.

Also fix burnin which is broken since r146.

Reviewed-by: imsnah

Remove OpQueryNodeData and LUQueryNodeData

Now that LUQueryNodes supports all the functionality of LUQueryNodeData,
let's migrate gnt-node.ShowNodeConfig to use it and remove all traces of
OpQueryNodeData and LUQueryNodeData.

Reviewed-by: imsnah

Change _GetWanted* to return names instead of objects

On closer look, all except one of the current users of _GetWantedNodes are
using only the name of the nodes and throw away the other attributes. It makes
sense to make this function return only the name list (as in the future this...

Clone cmdlib._GetWantedNodes into _GetWantedInstances

This duplicates _GetWantedNodes to _GetWantedInstances, after doing some
changes to it:
- fix an indentation error that should result in only the last node
name passed being chosen
- change the function to have a single return statement...

Add one more check on cluster init.

This adds a check that the initial node's IP name doesn't resolve to a
loopback address (127.x.y.z).

Also remove an unused variable.

Reviewed-by: imsnah

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...

Fix one wrong usage of _GetWantedNodes

_GetWantedNodes is used wrongly by the LUClusterCopyFile. This fixes that.

Reviewed-by: imsnah

A CheckPrereq method had one unconverted "return 1" statement. Change it to the
appropriate raise.

Reviewed-by: imsnah

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...

Don't bail out if node isn't there on “gnt-node volumes”.

Reviewed-by: iustinp

Change logival volume names to not be based on the instance's name, but
instead use an UUID prefix and a suffix denoting the disk iv_name
(sda/sdb) and possibly it's type (data/meta).

Reviewed-by: imsnah

Unify environment variables for instance related hooks.

Reviewed-by: iustinp

- Implement “gnt-instance reinstall --os-type=…”
- Add the command to gnt-instance.sgml

Reviewed-by: iustinp

Move the cluster name from ConfigWriter to SimpleStore.

Reason: if left ConfigWriter, nodes don't know to which cluster they belong.
This will bite us later when we'll revisit node join operation.

Cons: we lose the cluster name from the config file, which means a...

Comment formatting updates.

Reviewed-by: iustinp

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

- 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

Fix a typo in an error message, and actually pass it its parameters.

Reviewed-By: imsnah

Fix calls to _GenerateMDDRBDBranch.

Reviewed-by: iustinp

Implement space requirement checking before creating/importing an instance.

Reviewed-By: iustinp