This patch makes sure that instance creation is only possible
for instances that use enabled disk templates.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This extends the QA for 'gnt-cluster modify'. It ensures
that disabling of a disk template is only possible if the
cluster does not have any instances using the template.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

This patch makes sure that no instances can be created which use
disk templates which are not enabled on the cluster.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

This patch is a preparation for later patches in QA in this series
it refactors the instance QA to make it more flexible regarding
creation of instances with different disk templates. Right now we
only support creation of instances with disk templates 'drbd', 'plain',
and 'diskless'. With our current plans to improve storage handling,
we should make QA more flexible to also create instances of other
templates. This patch restructures the code in a way that instances
can be created more easily to be used in other QA scripts.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Since managing of different storage units is now done using
disk templates and not storage types, we remove the obsolete
enabled storage types.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Fixes the QA of 'gnt-cluster init' and 'gnt-cluster modify' with respect
to enabling disk templates.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

This patch enhances 'gnt-cluster init' to accept a list of disk templates
to be enabled. It removes the list of enabled storage types.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Adds a verification step to 'gnt-cluster modify' to make sure that no
disk template is disabled that is currently in use by at least one instance.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Adds setting of the list of enabled disk templates to 'gnt-cluster modify'.
Note that this does not yet include any verification regarding disk templates
currently used by instances.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Add reporting of the currently enabled disk templates to
'gnt-cluster info'.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

This patch adds constants for enabling disk templates to the constants,
and the cluster configuration in haskell and python. It removes the
obsolete preference list for enabled storage types.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Michele Tartara <mtarara@google.com>

Less is not part of the base debian system, so it has to be added
explicitly.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

The test tries to scp the instance disks from the primary node to the
new destination, but connects to the master node instead. Thus it works
only when the primary node is the master node. Fixing by correcting to
the right node.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

Allows the chroot builder to set the default editor to be used in the
chroot.

Vim is used as the default choice.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

This allows to have newer software than what is available in Debian Squeeze
(the default version of the distribution used by the script), particularly
vim and git.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

More lvm commands "sprinkled" in qa :/ We really have to factor them out
in the storage layer, once we have a good one.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

This actually hides a real issue that was discovered by enabling
file-based qa, so bug was filed for it. On the other hand it's better
than keeping the qa broken, since this functionality was broken anyway.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

- The cleanup should only happen for non externally mirrored disk
  templates
- It should behave differently for file and lvm based instances
- It should definitely *not* be explicit in the qa file :/ (but it's
  more important to fix qa, as of now)

Also fix a typo in the same function's docstring.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

Note that this fixes the "current issue" but doesn't fix the underlying
problem. :/

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

scp by itself won't work on a cluster: a few extra options are needed to
tell it where to find the "right" ssh global known hosts file managed by
Ganeti.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>

This test uses a non-existing config value "file-storage-dir" and fails.
Fixing it by using the default value, which is currently what qa does.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>

The rename instance test performs an lvm-specific check for tags on the
instance volume. This should be in the future abstracted *inside* the
template class, and not explicitly called from qa.

This would allow other disks to perform the checks that make sense for
them. In the meantime though, we just make the same check only when the
backend storage for the instance is lvm-based.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>

Setting up a proper environment for building a Ganeti can be quite difficult.

This patch adds a script for building a compressed chroot with all the
required libraries and tools.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This patch rewrites and extends the design doc about storage reporting
with respect to disk templates and storage types. In constrast to the
previous version, we now consider disk templates as the user-facing
entity, that the user can dis/enable for the cluster. Storage types
on the other hand describe the underlying technology used by the various
disk templates. Storage reporting will use a mapping from disk templates
to storage types to pick the correct method to report the storage for
the respective disk templates.

Note that the design doc in this state still contains some questions and
FIXMEs. Feel free to comment on those. I will complete them directly or
in future patches.

Signed-off-by: Helga Velroyen <helgav@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

After changing the way gnt-xxx info print their output,
cli.FormatParameterDict() is not used anymore.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

The code is more modular, and the output is YAML-compliant. QA has been
updated to reflect the new format.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

The code is more modular, the output is more similar to "gnt-cluster info"
and is YAML-compliant.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

The new function can be used for group-level instance policies. Support for
roman numeral formatting has been dropped to make the code simpler. For
other info items it's already unsupported, and it's not exactly documented
anyway.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

This is based on the --donwgrade option of cfgupgrade, first introduced in
1709435e.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

The watcher should be disabled while upgrading.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

The version numbers of two programs had been swapped.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

This is required because of 0e79564a; otherwise, the pylint-qa target will
fail.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Add a simple walk through the intended use case of
gnt-instance modify --new-primary for the disk template
file. The tested scenario is shutting down an instance,
manually moving the disk to the new node, setting the
new primary, and starting up the instance on the new
node. It is also verified that the operation is rejected
while the instance is still running on the old node.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Also perform QA tests for the file disk template. The main reason
is that testing gnt-instance modify --new-primary requires a
manual move of disks, which is most easily simulated for files.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Extend gnt-instance modify by a new parameter --new-primary
that sets the pnode paramter of the opcode.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

If pnode is set LUInstanceSetParams now sets the primary node
accordingly. Unless force is set, it is verified that the instance
is no longer running on the old node.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This parameter will be used to set the new primary node
of an instance, assuming that the disks have been moved
by other means (outside ganeti's control).

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>