hv_kvm: Add TODO regarding monitor commands
Monitor calls should be replaced with QMP once KVM >= 0.14 is required.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
Merge branch 'devel-2.7'
Fix Haskell log file naming after virtual cluster changes
Commit 3329f4de changed the Haskell log file from constants tofunctions, but introduced a bug: it uses now the daemon name insteadof the correct log file, which means "ganeti-confd.log" instead of...
Extract container converters
“objects.ConfigObject” contains two useful functions for working withcontainers of serialized objects, “_ContainerToDicts” and“_ContainerFromDicts”. This patch separates those functions and movesthem into “objectutils” as they'll be useful for converting parts of the...
hv_xen: Fix epydoc error
“utils.RunCmd” is re-exported from “utils.process.RunCmd”. Epydocdoesn't fully understand this, so we have to refer to the original.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
objects: Improve handling of TCP/UDP port pool
- Handle de-serialization correctly when pool is not defined- Serialize to empty list when the attribute is None (this should never happen in reality as the attribute is always set when de-serializing)- Add tests...
Switch KVM to multi-error verify results
This uses the new _FormatVerifyResults helper function to returnmultiple errors.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Make LXC fail verification if cgroup is not mounted
Since LXC now relies on cgroup memory limits to enforce memory, let'smake hypervisor verification (and thus cluster-verify) return errorswhen the cgroup filesystem is not mounted.
Signed-off-by: Iustin Pop <iustin@google.com>...
Add a helper function for hypervisor verification
This will allow easier multi-error results from hypervisors; rightnow, we only report the first error, which is not nice.
hv_lxc: fix whitespace errors
The latest lxc patches included a few whitespace style errors, that makelint fail. This patch fixes those.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Helga Velroyen <helgav@google.com>
LXC: add support for the memory controller
Add support for the memory resource controller, useful to actually placememory limits on instances.
Support is still optional, in case the kernel doesn't have it compiledin, or in the case of Debian has it dependent on a kernel command-line...
LXC: adapt hv for newer lxc userspace tools
Currently hv_lxc depends on the behavior and output of older LXC tools,which have since changed, making it unable to function in currentdistributions (e.g. Debian wheezy).
Adapt the tools and expectation for the output and make it into a...
Fix logging arguments formatting
This fixes: “ganeti/hypervisor/hv_kvm.py:93: [W1201, _GetTunFeatures]Specify string format arguments as logging function parameters”, andalso updates the copyright years.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michele Tartara <mtartara@google.com>
Disable live-RPC queries under split query
Currently, the node listing RPC is very slow due to missingparallelisation. For the 2.7 release, we reset these back to masterd,hoping to revert them by the time 2.8 is ready.
There are a number of queries that I've left pointing to confd, as...
Document that OpTestDelay/TestDelay take duration in seconds
Also, fix @rtype and @return elements of utils.TestDelay(), which nowreturns a tuple but this wasn't being indicated.
Signed-off-by: Dato Simó <dato@google.com>Reviewed-by: Helga Velroyen <helgav@google.com>
If _UnlockedLookupNetwork() fails raise error
Make _UnlockedLookupNetwork() raise OpPrereqError (instead of returningNone) in case it does not find the requested network. Remove useless andduplicate code such as:
if net_uuid is None: raise...
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>...
Force conflicts check in LUNetworkDisconnect
Until now if one disconnects a network with --no-conflicts-checkand then remove it, there is a possibility to leave instances with NICsreferencing non-existing networks. This causes network queries,instance removal and modification to fail....
hv_kvm: Refactor getting TAP features, add tests
Split retrieving supported features into a dedicated function which canbe mocked. Tests are added for both “_ProbeTapVnetHdr” and“_GetTunFeatures”.
Signed-off-by: Michael Hanselmann <hansmi@google.com>...
hv_kvm: Original error message, keyword parameter
- Include original error message when creating TAP interface failed- Pass keyword parameter as such
hv_xen: Fix issues with migration, add tests
Commit 3d942d8 broke instance migration (“self._cmd” was set to None).This patch fixes that issue, refactors “MigrateInstance” for testing andadds those tests.
kvm: fix bug while fetching -device list
_GetKVMOutput expects the command to succeed, but unfortunately on someversions of kvm "-device ?" will output a correct list of devices, whileexiting with an error code.
To fix this we accept failure in that case (note that this doesn't...
hv_xen: Split StopInstance
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Helga Velroyen <helgav@google.com>
hv_xen: Abstract running Xen commands
Instead of using the “XEN_CMD” constant in multiple places, that is nowall in a single place and can easily be changed for unit tests (througha parameter given to the constructor).
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>
List networks: call client explicitely
This way, it is easier to make it call the haskellimplementation of the network queries.
Signed-off-by: Helga Velroyen <helgav@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
hv_xen: Remove config after shutdown was successful
If stopping an instance failed, the configuration would already be goneand other operations depending on it (e.g. migration) would no longerwork. With this patch the configuration file is only removed once the...
hv_xen: Simplify writing configuration
Instead of calling _WriteConfigFileStatic from both derived classes,those now only return the content (minus the “do not edit” header). Theconfiguration is then written by the base class, XenHypervisor.
hv_xen: Prepare for unit tests, remove {static,class}method
Unit tests will have to specify a custom Xen configuration directory (atemporary directory). To this end “hv_xen.XenHypervisor” and its twoderived classes are modified to have fewer static and class methods. A...
hv_xen: Factorize and test disk configuration
The “_GetConfigFileDiskData” function is moved to module level andcleaned up (module-level constants for letters and file I/O drivers).
Until now only 24 disks would be supported (e.g. “sda” to “sdx”), when...
hv_xen: Refactor getting node information, add tests
Refactor and add tests for getting node (Domain-0) information.
hv_xen: Refactor running & parsing "xm list", add tests
This patch refactors “_RunXmList” and adds some tests.
hv_*: Always return from Verify, style fixes
Change all “Verify” methods in hypervisor abstractions to explicitelyreturn None if no problem was detected. Remove punctuation from errormessages. Update docstrings with “@return” and some small mistakes.
Check minimum size of networks on creation
When creating a network, so far no size constraints were checked.We now limit the size of a network to a /30 or bigger, althoughtecnically, the ipaddr library supports even /32 networks.
Signed-off-by: Helga Velroyen <helgav@google.com>...
constants: Add list of known Xen commands
These will be used in unittests.
_VerifyErrors()._Error() and _ErrorIf() are now consistent
_Error() didn't contain the logic for demoting errors to warnings and formarking an operation as failed. Now _ErrorIf() is just a minimal wrapperfor _Error().
Unit tests included.
Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>...
Handle the result of QueryGroups() correctly
If no group is given for the “gnt-network connect“/“… disconnect”commands, the client uses the result of “QueryGroups()” which is a listof lists. Use “itertools.chain()” to handle the return value correctly....
hv_xen: Compose file name outside error handling
In _ReadConfigFile, the filename should be prepared outside thetry/except block. Fixes bad code formatting, too.
hv_base: Remove empty constructor
Add test for backend._GetBlockDevSymlinkPath
Add a unit test for the trivial “_GetBlockDevSymlinkPath” function inbackend (small changes in the function were required).
Fix format string of KVM output
This fixes a missing 's' in the format string andthe wrong quotes. Those bugs were introduced incommit 6e043e60.
Signed-off-by: Helga Velroyen <helgav@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
First part of confd timer changes
This patch changes the resolution of the timers: the watcher timergoes from 60s to 17s, and the polling-mode timer goes from 2 secondsto 250ms. The code changes a bit more due to the changes in the unitsof the various constants....
Fix type of 'node_whitelist' request parameter
If opportunistic_locking is used, then 'node_whitelist' parameter passedto the allocator is set to the LU's owned node locks. However, LU owned_lockshas type of 'set' while IReqInstanceAlloc expects type of...
hv_xen: Add test for CPU pinning configuration
Add a unittest for a function formatting CPU pinning information forXen's configuration.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
kvm: deduplicate 'get output' code
We had the same code twice, and were about to add a third time. Betterto collapse it into just one function.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
kvm: extract a regexp matching out of a for loop
kvm: remove last version-based feature detection
This was left behind because it required a different kvm invocation.Now that we can add new ones cheaply (two constants) it's easy to getrid of it. Differently than in other cases we support old version which...
Make Xen config path a build-time option
Stop hardcoding the path in “hv_xen.py”.
burnin: Don't keep hypervisor class around
Just determine whether it can migrate and keep that value instead of thefull hypervisor class.
Run pre-migrate hooks on primary node too
Signed-off-by: Constantinos Venetsanopoulos <cven@grnet.gr>Reviewed-by: Guido Trotter <ultrotter@google.com>
Check if KVM machine version is supported
If machine version is passed as an hv param, a check is madein target node whether this version is included in the supportedones derived from kvm -M ? command.
Verify that templates are compatible with exclusive storage
cluster-verify reports instances with disk templates not compatible withexclusive storage but that are running on nodes with the exclusive storageflag set.
cluster-verify checks uniformity of PV sizes
When exclusive_storage is set, cluster-verify complains if the size of PVsis not uniform across a node group.
Signed-off-by: Bernardo Dal Seno <bdalseno@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
New RPC call for node verify in dns-only RPC client
This will be used in node-add.
add-node checks PVs
add-node now performs a few checks on LVM before adding a node to thecluster.
Moved checks within LUClusterVerifyGroup
Almost all instance-specific checks have been moved from the Exec method tothe _VerifyInstance method. This cleans up Exec, which was becoming too bigeven for pylint…
bdev.GetPVInfo() returns list of LVs
This will be used for checks related to exclusive storage.
cluster-verify checks that PVs are not shared
When exclusive_storage is set, cluster-verify complains if PVs are sharedamong unrelated LVs.
Small cleanup in constants.py
- compat.UniqueFrozenset used in one more place, for consistency.- The order of NV_XXX constants is fixed so that all values are now sortedby name.
cluster-verify checks uniformity of exclusive_storage flag
The value of the flag should be the same for nodes within the same group.
utils.LvmExclusiveCheckNodePvs() returns more info
utils.LvmExclusiveCheckNodePvs() now returns the size of the smallest andbiggest PVs of a node. They will be used for cross-node consistency checks.
Add reporting infrastructure for data collectors
This commit adds the part of the JSON report generation code that will becommon to all the data collectors, according to the format specified in thedesign document.
Signed-off-by: Michele Tartara <mtartara@google.com>...
kvm: make kvm path configurable as an hv parameter
This fixes Issue 225.
make _{Generate,Execute}KVMRuntime accept kvm help
Currently kvm --help is called twice at instance startup, this makessure it's called only once.
kvm: make auxiliary functions accept a kvm path
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.
Add KVM machine version as hv param
This is needed in case an instance must be booted with an exact type ofmachine version (due to e.g. outdated drivers). If this hv paramexplicitly defined (during instance creation/modification) then the kvmprocess will be started having this version for the -M option. Otherwise...
Move burnin to ganeti.tools.burnin
Similar to other scripts, “tools/burnin” just becomes a wrapper script.
Link man pages in documentation
This patch depends on “Option to include man pages in documentation”. Inthe documentation build including man pages, all “:manpage:`…`”references are converted to links. For man pages not provided by Ganeti,Sphinx' standard formatting is used....
Add initial constants and Haskell ADTs for auto repair
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>
kvm: simplify _GetMachineVersion
Use a multiline regexp rather than a single line one, and then splitlines in the code.
Allow -soundhw option to kvm
For all of us that love to listen to music on our kvm virtual machines,the -soundhw option is paramount.
kvm: support usb devices
All in one go, comma separated usb devices of all types.
kvm: Add kvm_extra parameter
As requested in Issue 261 and many other times.
kvm: Add -vga option
As requested in Issue 69.
kvm: use help based feature detection
As discussed on the list some people backport features to different kvmversions, making the version based detection system unreliable. Wechange wherever we can to detection on the help output.
This also fixes Issue 250...
Add a non negative int hypervisor parameter check
...and use it for a few parameters for which it makes sense.
kvm: always pass -usb
This will be the default anyway and it was a mistake to pass it only ifthe mouse was specified.
kvm: abstract getting --help output
This will be used later, for now nothing changes.
kvm: allow setting smp cores, threads, sockets
This was requested in Issue 322.Note that maxcpus is not implemented yet, as it should be considered ina cpu-hotplug global context.
kvm: add serial console speed
The serial port speed changed between versions of qemu (what didn't?), sothe old hardcoded default doesn't do anymore. Upgrade it to a parameter.
Add locking to _NetworkQuery
Make use of _GetNames() to get the final network UUIDs.Get networks info after having aquired the locks. Refactorthe code to use new local variables:
- "network_uuids" returned from _GetNames() - "all_networks" that are the latest network info...
Add machine version in kvm runtime file
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() invokedonly in StartInstance()) append this info in kvm_cmd. During...
Remove fixed FIXME
This was fixed in stable-2.6, commit 053c356
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Unit tests for bdev and utils.lvm
Also amended a comment of a tested method.The tests are for methods introduced in commit 63c73073 (LVM disk creationuses dedicated PVs).
Add "use_locking" parameter to network query opcode
This was extracted from a patch by Dimitris Aragiorgis with the subject“Add locking to _NetworkQuery”. The rest of the patch did no longerapply and will require more work.
Return master ip script output in case of failure
Currently only the exit code is returned, which is somewhat pointless:for failures, we already know it's ≠ 0, so we don't have enoughinformation (reported on the mailing list). By logging the output aswell (if any), the user will have more information available for...
Fix LUInstanceRecreateDisks with iallocator
Recent iallocator changes (commit fb60bc6a, “iallocator: Add nodewhitelist”) broke the parameter validation for LUInstanceRecreateDisks(the other LUs were manually fixed already):
$ gnt-instance recreate-disks -I hail --dry-run instance3...
Add the gnt-storage client
Add a new client called 'gnt-storage'.The client interacts with the ExtStorage interface, similarly tothe 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,...
Merge branch 'devel-2.6'
Fix build breakage after exclusive storage commits
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'...
Merge branch 'stable-2.6' into devel-2.6
No conflicts, really trivial.
LUs raise an error if they cannot handle exclusive_storage
This happens when the exclusive_storage flag is set, and the requestedoperation 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>
Refactor checks for a new template in LUInstanceSetParams
All the checks have been moved to a private method, so as to makeCheckPrereq() smaller and more readable (pylint was complaining about it).
Free disk space reporting follows exclusive storage rules
When exclusive_storage is set, nodes report only the space that could beused to create new disk according to the rules set in thedesign-partitioned doc (i.e., non-empty disks are ignored and the space...
Call node_info RPCs with the exclusive_storage flag
The flag is read from the configuration and passed to the RPC.
Add exclusive_storage parameter to node_info RPC
The flag is passed to the low-level functions that need it, but it's notyet used. Also, RPCs get just a default value for now.