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This patch only changes some indentation in constants.py.

Reviewed-by: imsnah

Reviewed-by: iustinp

Before we used to copy the file if xen-hvm was enabled on the cluster,
no we'll do that if any enabled hypervisor is in the new HTS_USE_VNC
group.

Reviewed-by: iustinp

HT_KVM doesn't technically require a port, but if it has one it can give
vnc displays to instances.

Reviewed-by: iustinp

Up until now a KVM instance was forced to have a serial port.
With this change this is no longer mandatory, by default we'll use one,
but if the HV_SERIAL_CONSOLE parameter is set to False we'll do without.

Reviewed-by: iustinp

This parameter allows a different path to be passed to the instance
kernel. The new parameter is mandatory, and by default has the value of
the old hardcoded value for both kvm and xen.

Beta1 clusters will need to have this parameter added for their
instances to be able to boot.

Reviewed-by: iustinp

The tcp port used for migrating KVM instances is selectable at
./configure time. We use a single port as nodes are locked anyway during
a migration, so no two migrations can happen at the same time to the
same node.

Reviewed-by: iustinp

This patch adds support for verification of drbd minors space in cluster
verify: minors which belong to running instances and should be online
but are not, and minors which do not belong to any instace but are in
use.

The patch requires exposing some methods from bdev.DRBD8 and
config.ConfigWriter which were until now private methods.

Reviewed-by: ultrotter

Instead of having the default live in the gnt-cluster script, we move it
to the constants file. The patch also fixes a typo on constants.py.

Reviewed-by: ultrotter

This is a forward-port of commit 2219 on the 1.2 branch.

Reviewed-by: ultrotter

The patch adds a new ssconf file containing the ganeti version.

Reviewed-by: imsnah

This patch updates burnin to the latest replace disks constant, and
changes the constants' values to be more accurate.

Reviewed-by: imsnah

In 1.2, due to the md+drbd7 legacy, we had a complex choice of replace
modes, and the new drbd8 modes where forced into this syntax, with some
complicated rules of transition from one mode to another (if REPLACE_ALL
but not new node passed, switch to REPLACE_SEC, etc.).

This patch cleans this situation by making a clear separation between
the two main modes:
  - replace on current nodes (with the two sub-cases on primary and on
    secondary)
  - change to a new node (either via manually specified node or via
    iallocator)

Reviewed-by: imsnah

Reviewed-by: amishchenko

Passwords are stored in "$localstatedir/lib/ganeti/rapi_users". User
options specify the access permissions of a user (see docstring for
ganeti.http.ReadPasswordFile), for which only "write" is supported
to grant write access. Every other user has read-only access.

Reviewed-by: amishchenko

A job queue with too many jobs can increase memory usage and/or make
the master daemon slow. The current limit is just an arbitrary number.
A "soft" limit for automatic job archival is prepared.

Reviewed-by: iustinp

Call socat with a full path specified at configure time, rather than
just by its name, and check for the binary to exist at hypervisor
verify.

Reviewed-by: iustinp

It makes sense for the default kvm kernel not to be called "xenU".

Reviewed-by: iustinp

Adding compression to larger amounts of data is more efficient than
transferring it (len(nodes) - 1) times over the network without
compression. We were able to compress a 800KB config file to about
30 KB, which is about 40 KB with Base64 encoding (required due to
the way SimpleJson handles strings).

Reviewed-by: ultrotter

The patch also changes the various node list generation to be more
consistent.

Reviewed-by: imsnah

This constant will be used at cluster init time.

Reviewed-by: imsnah

This partially reorganizes the cluster verify LU:
  - introduce constants for the node verify rpc call
  - move from additional rpc calls to a single rpc call, the
    call_node_info, which gaters all data needed

Also fix a small error (self.LogWarning instead of self.Warning).

Reviewed-by: imsnah

These two operations were missing from burnin. The reboot is done with
all valid modes (a new constant is added), and the reinstall is done
both with and without specifying the OS (to account for the two code
paths in the LU).

Reviewed-by: imsnah

Reviewed-by: imsnah

Reviewed-by: imsnah

This partially reverts the "Get rid of ssconf" patch.

It adds back a simpler version of the SimpleStore class, and drops the
WritableSimpleStore class. The new version of the class also has
node_list as a new key, and increases the size of the keys so that big
clusters will fit the node list. Also, the SS_* constants are moved to
constants.py, since the ConfigWriter class will need them too in order
to generate the values dictionary.

It also changes the GetMasterAndMyself function to use the SimpleStore
by default, and the backend._GetConfig to use it too (it has all the
needed keys).

Reviewed-by: imsnah

- Add new "canceling" status
- Notify clients when job is canceled
- Give a return value from CancelJob
- Handle it in the client library

Reviewed-by: iustinp

ganeti-noded used to create all directories under /var/run with an
hard-coded mode. convert it to a constant.

Reviewed-by: imsnah

Before it was in the abstract linux namespace, where unfortunately we
couldn't easily check from python the credentials of the connecting
clients. Now we also have to remove the file on exit and when starting.

Reviewed-by: imsnah

We want the socket dir to have a restricted permission.

Reviewed-by: imsnah

This new directory under /var/run will be used for file based unix
sockets.

Reviewed-by: imsnah

This big patch adds support for:
  - changing NIC/disks in the multi-device model
  - adding/removing NICs
  - adding/removing disks

The patch is big and not very nice; the error checking paths are not
very clear.

The biggest problem is that from a simple instance.ATTR=VAL change
(which didn't throw errors before) now we are creating and removing
disks in this LU.

Reviewed-by: imsnah

With the new SSL client certificate stuff it's no longer needed.

Reviewed-by: iustinp

This function will be used to write ssconf files from the node daemon.
By creating a lock file, we synchronize different child processes of
ganeti-noded to not overwrite each other's changes. Also, external
processes could use this lock to make sure they don't read ssconf
files while changes are going on.

The socket module is not used (anymore) in ganeti.ssconf, removing it.

Reviewed-by: iustinp

This patch adds support for mult-disk/multi-nic in:
  - instance add
  - burnin

The start/stop/failover/cluster verify work as expected. Replace disk
and grow disk are TODO.

There's also a change gnt-job to allow dictionaries to be listed in
gnt-job info.

Reviewed-by: imsnah

Please configure your editors to strip it, or enable your git hooks...

Reviewed-by: ultrotter

'auto' is used in multiple place in the code with a meaning similar to
'default', 'generate' will be used to force generation of mac addresses
when the default would be to reuse an old one.

Forward-port-of: r1884, Reviewed-by: iustinp

Reviewed-by: imsnah

Reviewed-by: iustinp

Reviewed-by: iustinp

Reviewed-by: iustinp