When exclusive_storage is set, cluster-verify complains if the size of PVs
is not uniform across a node group.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

utils.LvmExclusiveCheckNodePvs() now returns the size of the smallest and
biggest PVs of a node. They will be used for cross-node consistency checks.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

The value of the flag should be the same for nodes within the same group.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

- compat.UniqueFrozenset used in one more place, for consistency.
- The order of NV_XXX constants is fixed so that all values are now sorted
by name.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This commit adds the part of the JSON report generation code that will be
common to all the data collectors, according to the format specified in the
design document.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

This fixes Issue 225.

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

Currently kvm --help is called twice at instance startup, this makes
sure it's called only once.

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

This will be used to be able to customize the path in an hv parameter.

Also fix two comments that still mentioned version-based checking.

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

This is needed in case an instance must be booted with an exact type of
machine version (due to e.g. outdated drivers). If this hv param
explicitly defined (during instance creation/modification) then the kvm
process will be started having this version for the -M option. Otherwise
the default (derived from _GetDefaultMachineVersion() will be used.

Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Guido Trotter <ultrotter@google.com>

Similar to other scripts, “tools/burnin” just becomes a wrapper script.

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

This patch depends on “Option to include man pages in documentation”. In
the documentation build including man pages, all “:manpage:`…`”
references are converted to links. For man pages not provided by Ganeti,
Sphinx' standard formatting is used.

A small dance is necessary to hook into Sphinx' processing of man page
roles and to generate automatically resolved links. The code converts
“:manpage:`…`” for known man pages to the data structure equivalent of
“:doc:`$name($section) <man-$name>`”. Additionally it checks the section
numbers and formatting of references (in all builds).

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

In this commit, the AutoRepairType and AutoRepairResult types are defined,
with the possible values specified in doc/design-autorepair.rst.

Signed-off-by: Dato Simó <dato@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

As requested in Issue 69.

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

As requested in Issue 261 and many other times.

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

All in one go, comma separated usb devices of all types.

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

For all of us that love to listen to music on our kvm virtual machines,
the -soundhw option is paramount.

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

Use a multiline regexp rather than a single line one, and then split
lines in the code.

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

As discussed on the list some people backport features to different kvm
versions, making the version based detection system unreliable. We
change wherever we can to detection on the help output.

This also fixes Issue 250

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

This will be used later, for now nothing changes.

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

This will be the default anyway and it was a mistake to pass it only if
the mouse was specified.

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

...and use it for a few parameters for which it makes sense.

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

This was requested in Issue 322.
Note that maxcpus is not implemented yet, as it should be considered in
a cpu-hotplug global context.

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

The serial port speed changed between versions of qemu (what didn't?), so
the old hardcoded default doesn't do anymore. Upgrade it to a parameter.

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

Make use of _GetNames() to get the final network UUIDs.
Get networks info after having aquired the locks. Refactor
the code to use new local variables:

 - "network_uuids" returned from _GetNames()
 - "all_networks" that are the latest network info
 - "name_to_uuid" used for getting network UUID out of NIC's network

Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

kvm -M ? returns the supported machines (e.g. pc-1.1).
Add _GetDefaultMachineVersion() function to get the default value.

Upon kvm runtime file creation (this is in _GenerateKVMRuntime() invoked
only in StartInstance()) append this info in kvm_cmd. During
live migration the -incoming kvm process is started based on this file.

In case of different KVM versions between source and target nodes
there is a possibility (e.g. due to a kvm bug) for migration to fail silently.

This patch forces the target node to emulate the same machine version
used by running process. If KVM on target node does not support it
the -incoming kvm process will crash and migration will be aborted.

Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Reviewed-by: Guido Trotter <ultrotter@google.com>

This will be used in QA to format network interface parameters.

This is a cherry-pick of master commit eac9b7b8

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

This was fixed in stable-2.6, commit 053c356a

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

This was fixed in stable-2.6, commit 053c356a

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

Also amended a comment of a tested method.
The tests are for methods introduced in commit 63c73073 (LVM disk creation
uses dedicated PVs).

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

This was extracted from a patch by Dimitris Aragiorgis with the subject
“Add locking to _NetworkQuery”. The rest of the patch did no longer
apply and will require more work.

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

Currently only the exit code is returned, which is somewhat pointless:
for failures, we already know it's ≠ 0, so we don't have enough
information (reported on the mailing list). By logging the output as
well (if any), the user will have more information available for
debugging.

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

Recent iallocator changes (commit fb60bc6a, “iallocator: Add node
whitelist”) broke the parameter validation for LUInstanceRecreateDisks
(the other LUs were manually fixed already):

  $ gnt-instance recreate-disks -I hail --dry-run instance3
  Failure: prerequisites not met for this operation:
  error type: wrong_input, error details:
  Request is missing 'node_whitelist' parameter

By just defining the new parameter, the LU works normally (“INFO:
Selected nodes for instance instance3 via iallocator hail: node2”).

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

Add a new client called 'gnt-storage'.
The client interacts with the ExtStorage interface, similarly to
the way gnt-os interacts with the OS interface.

For now, only two commands are supported: 'info' and 'diagnose'.

'diagnose' calculates the node status of each provider on each node,
similarly to gnt-os diagnose. Furthermore, for every provider, it
calculates it's nodegroup validity for each nodegroup. This is done
inside the LU and not the client (marked as 'TODO' for the  global
validity of gnt-os diagnose).

In the future, gnt-storage can be used to manage storage pools,
or even be extended to diagnose other storage types supported by
Ganeti, such as lvm, drbd (INT_MIRROR) or rbd (EXT_MIRROR).

Signed-off-by: Constantinos Venetsanopoulos <cven@grnet.gr>
Signed-off-by: Iustin Pop <iustin@google.com>
[iustin@google.com: fixed Haskell compatibility and style fixes]
Reviewed-by: Iustin Pop <iustin@google.com>

This fixes:

htest/Test/Ganeti/Rpc.hs:50:14:
    Couldn't match expected type `Rpc.RpcCallNodeInfo'
           against inferred type `Data.Map.Map String Bool
                                  -> Rpc.RpcCallNodeInfo'
    In the first argument of `(<$>)', namely `Rpc.RpcCallNodeInfo'
    In the first argument of `(<*>)', namely
        `Rpc.RpcCallNodeInfo <$> arbitrary'

by adding the new parameter (empty map for now), and also:

ganeti/constants.py:432:5: E123 closing bracket does not match
   indentation of opening bracket's line

By switching to 2-char indentation and (for consistency) also replaces
frozenset(…) with our unique checker (UniqueFrozenset).

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>

This happens when the exclusive_storage flag is set, and the requested
operation is incompatible with the flag or not yet supported.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

All the checks have been moved to a private method, so as to make
CheckPrereq() smaller and more readable (pylint was complaining about it).

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

When exclusive_storage is set, nodes report only the space that could be
used to create new disk according to the rules set in the
design-partitioned doc (i.e., non-empty disks are ignored and the space
reserved for rounding/overhead is not reported).

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

The flag is read from the configuration and passed to the RPC.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

The flag is passed to the low-level functions that need it, but it's not
yet used. Also, RPCs get just a default value for now.

Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

For people writing query filters (documented in ganeti(7)) knowing a field's
type can be useful.

$ gnt-instance list-fields name be/memory
Name      Type         Title        Description
name      Text         Instance     Instance name
be/memory Storage size ConfigMaxMem The "maxmem" backend parameter

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