Synnefo » snf-ganeti

Improve disk consistency error message again

This new version includes all the possible failure options.

Reviewed-by: iustinp

Handle better failing over non-running instances

Right now if you try to failover an instance which is not marked as up the
operation will fail unless you pass the --ignore-consistency flag because the
disks won't be considered to be consistent. Allow them to be if we know the...

Forcibly convert export data to str object

ConfigParser.SafeConfigParser doesn't support unicode string objects.
Unicode string objects are returned by simplejson.

Reviewed-by: iustinp

Locking: fix one indentation error (codestyle)

Reviewed-by: imsnah

Check whether path is valid before accessing it

Reviewed-by: ultrotter

Fix gnt-instance failover help message

The message used to misleadingly say that failover just works with remote_raid1
instances, while of course it works for drbd as well. Since remote_raid1 has
been removed from the main development branch only drbd will be shown. Thanks...

Add submit function to lib/cli.py

This patch adds function that submit jobs or queries over the unix socket
interface to lib/cli.py. The will be used by the scripts instead of the
SubmitOpCode function.

Reviewed-by: ultrotter

Initial implementation of the client unix socket

This patch adds an initial implementation of the client-side of the unix
socket interface. The code is not yet used by other parts of ganeti.

Reviewed-by: imsnah

Change the gnt-backup export help text

Reviewed-by: ultrotter

gnt-cluster option to toggle lvm-storage

This patch does two things:
- Add gnt-cluster modify
- Add --no-lvm-storage option to gnt-cluster init

Reviewed-by: iustinp

Add OpSetClusterParams to opcodes

Reviewed-by: iustinp

Add LUSetClusterParams to cmdlib

Add LUSetClusterParams, which is the LU to modify cluster options.
This includes checks:
- not to disable lvm storage when it's already disabled
- not to enable lvm storage when it is already enabled
- not to disable lvm when lvm-based instances are present...

Add lvm-storage check when creating instances

This adds a check to fail instance creation if lvm-storage is disabled
(cluster-wide). If lvm-storage is disabled (by initializing the cluster
with --no-lvm-storage) only instances with disk template in frozenset...

Change the order of config updates in some LUs

In the start and stop instance LUs, the configuration update is done
right at the end. This means that if, for example, the instance shutdown
succeeds, but the drive deactivation fails, the next run of the watcher...

Reduce log noise for the new http-based rpc

This patch just removes an extraneous \n from the log message making it
nicer to view.

Reviewed-by: schreiberal

Add --print parameter to “gnt-instance console”

This enables us to run automated tests on “gnt-instance console”, at least
to some degree.

Reviewed-by: iustinp

Modify Disk.GetNodes() to support LD_FILE

Reviewed-by: iustinp

Remove the option to create md/drbd7 instances

This patch removes the options that allow to create local_raid1 or
remote_raid1 instances. It also modifies the documentation and removes
these disk templates from burnin and from qa.

Reviewed-by: imsnah

Modify cluster-init to create file-storage-dir

This patch adds three things:
- it normalizes the file storage directory path passed to gnt-cluster init
- if the file-storage-path doesn't exist on the master node, ganeti
tries to create it
- adds additional check if the passed file-storage-dir is not a directory...

Change the opcode hierarchy and implementation

This patch adds a new top-level class (BaseJO) that is used for both
opcodes and a new Job class.

This new class and the related changes to the OpCode abstract class are
used to implement simple to-dict/from-dict transformations, so that we...

Add support for file_storage_dir to LUInitCluster

Author: manuel.franceschini
Reviewed-by: iustinp

Add SS_FILE_STORAGE_DIR to ssconf

Author: manuel.franceschini
Reviewed-by: iustinp

Add FILE_STORAGE_DIR to be in lib/_autoconf.py

Author: manuel.franceschini
Reviewed-by: iustinp

Make ganeti-noded create BDEV_CACHE_DIR automatically

Currently in order to deal with tmpfs /var/run, we create the
BDEV_CACHE_DIR in the init script. However, that does not cover all the
cases, and it's not a proper place to deal with it: for example, dealing...

Use new ssh.WriteKnownHostsFile function

This replaces very old code.

Reviewed-by: ultrotter

Use new “tty” parameter on SshRunner.BuildCmd for “gnt-instance console”

Reviewed-by: ultrotter

Order SSH options alphabetically

Reviewed-by: ultrotter

Add function to write cluster SSH key to known_hosts file

The whole Ganeti cluster has a single SSH key. Its fingerprint is
written to Ganeti's known_hosts file, together with an alias. This
allows us to always use that alias instead of the real hostname,...

Increase SharedLock fairness

Previously if a shared thread was notified, together with the rest, and was not
fast enough in waking up and acquiring the lock, another one could release it,
decide there were no more sharers, and let an exclusive one in instead. With...

Disable cluster init with a reachable IP

Make the cluster init fail if the IP to which the cluster name resolved
is already reachable by the master node. This is not a foolproof
solution, but it allows a cheap method of detecting simple mistakes.

It will also disallow using the master node name as cluster name (which...

Fix gnt-instance replace-disks online help

The "quick" online help just reported the option to change secondary node. Add
the ones to just replace the disk locally on-primary or on-secondary. It is of
course impossible to espress in one line everything needed to use this command,...

Codestyle fixes: adding a few empty lines

Reviewed-by: ultrotter

LockSet: add missing check code

This check that no operation had been performed before release() was missing in
the test code. Adding it.

Reviewed-by: imsnah

SharedLock: remove wrong assertion in code

r644 contained some cleanup code for LockSet. Among other things it removed a
syntax error that allowed an assertion that previously wan't really checked to
trigger. It turns out that even though the spirit of that assertion was correct...

LockSet: make acquire() able to get the whole set

This new functionality makes it possible to acquire a whole set, by passing
"None" to the acquire() function as the list of elements. This will avoid new
additions to the set, and then acquire all the current elements. The list of...

Make LockSet.__names() return a list, not a set

Previously the private version of the __names function returned directly a set.
We'll keep this in the public interface but change the private version to a
list in order to be able to sort() its result and then loop on it, even though...

LockSet: make acquire() return the set of names

In a LockSet acquire() returned True on success. This code changes that to
return a set containing the names of the elements acquired. This is still a
true value if we acquired any lock but is slightly more useful (because if...

Initial GanetiLockManager implementation

Includes some locking-related constants and explanations on how the
LockManager should be used, the class itself and its test cases.

The class includes:
- a basic constructor
- functions to acquire and release lists of locks at the same level...

Implement QA tests for gnt-cluster rename

Reviewed-by: imsnah

LockSet: make acquire() fail faster on wrong locks

This patch makes acquire() first look up all the locks in the dict and then try
to acquire them later. The advantage is that if a lockname is already wrong
since the beginning we won't need to first queue and acquire other locks to...

Fix the gnt-cluster init man page

Some options were missing in the gnt-cluster init man page. This patch adds
them, removes an empty line, and clarifies a bit more some requirements.

Reviewed-by: schreiberal

Clarify online help for xc-instance reinstall.

Reviewed-by: imsnah

Distribute lib/locking.py

Reviewed-by: ultrotter

Update svn:ignore properties

Reviewed-by: iustin

This patch replaces some hardcoded strings with their corresponding constant in `_GenerateDiskTemplate()`.

Reviewed-by: iustinp

Small comment fix.

Break trunk by removing twisted

This patch switches from the twisted usage for inter-node protocol to
simple BaseHTTPServer/httplib. The patch has more deletions because we
use no authentication, no encryption at all.

As such, this is just for trunk, and only for testing. What it brings is...

SharedLock: fix a wrong unit-test helper code

The _doItDelete helper code was supposed to be used to dispatch threads that
deleted the SharedLock. It actually just acquired it exclusively. This remained
unnoticed as the helper thread is just used to test interaction, not the delete...

Add the delete() operation to SharedLock

This new operation lets a lock be cleanly deleted. The lock will be exclusively
held before deletion, and after it pending and future acquires will raise an
exception. Other SharedLock operations are modify to deal with delete() and to...

Update version numbers for the 1.2.3 release

Note: we don't update for now the install.sgml file with the new version
number, as there are no other changes. We'll update the web site to
indicate that the current install.html document is valid for 1.2.3 too....