Some parameters can be common to all the RAPI calls: this commit
adds the possibility of specifying them just once, instead of
manually adding them to the classes describing each call.

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

The reason trail will contain an item indicating the job_id and the
index number of the current opcode inside the job queue.

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

The reason trail is available for all the opcodes, and as such it is
initialized as a generic option.

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

The reason trail will be available for all the OpCodes, so the field that
is to contain it has to be added to the OpCode base class.

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

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

Noded functions will have to extend the reason trail specifying what
operation is being executed.

This commit adds a function for doing that (will be used by future commits).

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

Add a function to convert an opcode class name to a source string for the
reason trail, factoring out the code in common with the existing _NameToId
function.

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

We are interested in storing the reason trail for operations that changed
the state of instances. This commit adds a function to do this.

Also, the GetInstReasonFilename() function name is prepended with an
underscore because it is only used in this file.

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

The timestamp is returned as an integer number of nanoseconds since the Unix
epoch.

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

This will be used as the type for the reason trail parameter.

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

A few constants are required, describing the source reason of the opcode.

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

Remove the useless parts of the old, partial, implementation of the support for
tracking the reason of instances state change, before implementing the new
reason trail support, as per the design document.

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

Since disks and NICs have UUIDs, they must be considered
to _AllUUIDObjects.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Modify gnt-instance client to display the UUID and name
fields of instances disks and NICs.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Extend instance queries to list 'uuid' and 'name' fields of instance's
Disks and NICs.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Extend the CheckArguments phase of LUInstanceCreate and CheckPrereq
phase of LUInstanceSetParams to also check if the name parameters of
disks and NICs are unique and valid.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Implement renaming Disks and NICs in LUInstanceSetParams. Remove code
that checked that changing disk mode was the only disk modification
supported. Also, handle case of 'None' value for 'name' parameter.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Modify _ApplyContainerMods function to lookup NICs/Disks not only by their
index inside the container, but also by their UUID or name. Abstract the
lookup code in new GetItemFromContainer function.

Make type of identifier in "opcode._TestInstSetParamsModList" to be
TInt or TString.

Modify gnt-instance client to not check if identifier is an integer.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Handle UUID and name fields when creating/managing NICs and Disks. Also,
export NICs and Disks names to instance hooks environment.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Declare IDISK_NAME and INIC_NAME constants and add them to the
IDISK_PARAMS_TYPE and INIC_PARAMS_TYPE.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

This patch adds "uuid" and "name" slots to Disk and NIC ConfigObjects.

Signed-off-by: Christos Stavrakakis <cstavr@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Helga Velroyen <helgav@google.com>

Since storage type are supposed to represent the underlying technology
of disk templates, the storage type 'sharedfile' is superfluous, because
technically both disk templates 'file' and 'sharedfile' use the file system.
This will be of use when implementing the storage space reporting for
all disk templates.

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

This patch adds consistency checks for the configuration regarding
disk templates. In particular, it checks that the list of enabled
disk templates is not empty, does not contain any bogus templates,
and that all instances use actually enabled disk templates.
Additionally, it fixes a small formatting issue regarding the list
of enabled hypervisors.

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>

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>

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>

Trasforming the disk of an instance from DRBD to plain did not properly
update the iv_name of disks, leaving it to None.

This commit modifies _ConvertDrbdToPlain to properly set the iv_name
variables.

An analogous fix is not required in the opposite function,
_ConvertPlainToDrbd, because it uses _GenerateDiskTemplate, that already
takes care of doing that.

Fixes Issue 403.

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

This patch introduces an upper limit to the size of the networks that can
be created.

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

When creating a network, so far no size constraints were checked.
We now limit the size of a network to a /30 or bigger, although
tecnically, the ipaddr library supports even /32 networks.

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

If split users are used, the queue directory could only be accessed
by masterd, but also confd needs to be able to read it, e.g. when it
is queried as part of "gnt-job list"

This commit fixes the permissions in such a way to allow proper access rights.

Fixes Issue 406.

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

For diskless instances it is still reasonable to sum up the disk usage
of all the (zero) disks, resulting in the empty sum. This uniformity
also has the advantage that iallocators (like hail) do not have to do
any special considerations for diskless instances.

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

Signed-off-by: Michele Tartara <mtartara@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>