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… by detecting duplicates.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This is the first step for migrating them from cmdlib. A metaclass is
used to define “__slots__” upon class creation time (not instantiation).
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This can be set at group creation time and via OpSetGroupParams. The default
is "preferred", and existing node groups from previous Ganeti version will
get the attribute set to this value.
Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

With this commit, only modification of the "ndparams" attribute is
supported.
Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Although this might be a dangerous operation, it's still better to allow
it rather than requiring a hand-edit of the config file, should it be
necessary.
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Adeodato Simo <dato@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Register OpCode and Logical Unit in mcpu.py
Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Adeodato Simo <dato@google.com>
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This adds opcodes.OpQueryGroups and cmdlib.LUQueryGroups.
Signed-off-by: Adeodato Simo <dato@google.com>
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

The source cluster has to shut down an instance before it can be
exported. Doing so can take a while, but the default connection timeout
is only 60 seconds. Adding the shutdown timeout on the receiving cluster
should help.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

We can now change a nodes' secondary ip.
Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

And also do some cleanup: we only run the role changed actions if the
node has actually changed roles.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

In the context of a node, its group has (at least today) only one
meaning, that is the node's node group. As such, we rename
node.nodegroup to just node.group.

Note: if we want to keep node in there, it should be at least
node_group, for consistency with the other node attributes.

Similarly, we rename the OpAddNode nodegroup attribute to group.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This allows OS installation scripts to make use of special parameters,
e.g. to retain some data on reinstallation.

The RAPI resource is not updated as it takes all parameters via the
query string and encoding arbitrary data in a query string is tricky.
The resource will need to be changed to use the POST body instead.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

In some cases it can be useful to mark as an instance as started
or stopped while its primary node is offline. With this patch,
a new option, “--ignore-offline”, is introduced to “gnt-instance
start” and “… stop”.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Per the mailing list discussion, rename _oss to _os, both in cluster parameters
and in the rest of the code.

This is just an s/_oss/_os, with the exception of a small bit of cleanup
around the helper_os function in cmdlib.py.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

In order to support priorities, the processing of jobs needs to be
changed. Instead of processing jobs as a whole, the code is changed to
process one opcode at a time and then return to the queue. See the
Ganeti 2.3 design document for details.

This patch does not yet use priorities for acquiring locks.

The enclosed unittests increase the test coverage of jqueue.py from
about 34% to 58%. Please note that they also test some parts not added
by this patch, but testing them became only possible with some
infrastructure added by this patch. For the first time, many
implications and assumptions for the job queue are codified in these
unittests.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Currently, opcodes like NODE_EVAC_STRATEGY look bad:

  89684 error   NODE_EVAC_STRATEGY([u'node3'])

With this patch, we try to render list arguments a little bit better:

  89684 error   NODE_EVAC_STRATEGY(node3)
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This allows clients to submit opcodes with a priority. Except for being
tracked by the job queue, it is not yet used by any code.

Unittests for jqueue._QueuedOpCode and jqueue._QueuedJob are provided for
the first time.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

I'ts declared twice, once in opcodes.OpCode and here, and this one
is redundant.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This patch reintroduces the live parameter, for backwards compatibility
at the Luxi level. This way, clients can work transparently with both
2.1 and 2.2, even though sub-optimally.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This patch fixes a bug when gnt-instance rename was invoked with
--no-name-check. It renames the internal variables to be consistent with
the ones in equivalent instance add code. Furthermore it checks whether
and instance rename is invoked with --no-name-check but without
--no-ip-check and throws an exception if so.
Signed-off-by: Manuel Franceschini <livewire@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This doesn't allow addition/removal of individual volumes, only
wholesale replace of the entire list. It can be improved later, if we
ever get generic container parameters.

The man page changes replaces some tabs with spaces (hence the
whitespace changes).
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

This is needed as now the parameter is no longer boolean, but tri-state.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

This new opcode and gnt-debug sub-command test some aspects of the
job queue, including the status of a job. The bug fixed in commit
2034c70d

 was identified using this test. A future patch will
run this test automatically from the QA scripts.
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Add a cluster parameter to hold the iallocator that will be used by default
when required and no alternative (manually-specified iallocator or
manually-specified node(s)) is given.
Signed-off-by: Apollon Oikonomopoulos <apollon@noc.grnet.gr>
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

Signed-off-by: Luca Bigliardi <shammash@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This will allow instance rename without dns check as it does for instance
add.
Signed-off-by: René Nussbaumer <rn@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>