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hypervisors: start instances with max available mem
If we have available more than MINMEM but less than MAXMEM, start a newinstance with that value, rather than MAXMEM.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Implement memory ballooning in the fake hv
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
hypervisors: use maximum memory for all operations
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Adapt non-KVM hypervisors to new migration RPCs
Signed-off-by: Andrea Spadaccini <spadaccio@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Most boring patch ever
s/'/"/ in (hopefully) the right places.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Add gnt-instance start --pause
Creates the instance, but pauses execution before booting. This combinedwith 'gnt-instance console' unpausing instances means that the entireboot process can be viewed and monitored.
Signed-off-by: Stephen Shirley <diamond@google.com>...
Use new console information in hypervisor abstraction
This makes use of the new way of returning console information from themaster daemon. Unittests are included.
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
Move fake hypervisor run dir under ganeti
This makes it uniform with the other hypervisors.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Balazs Lecz <leczb@google.com>
Hypervisors: use utils.EnsureDirs
Swap a few os.mkdir calls with utils.EnsureDirs
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Balazs Lecz <leczb@google.com>
Add a hypervisor constant for migration support
This variable can be used by other tools to determine in a generic waywhether a given hypervisor supports migration or not.
Extend the hypervisor API with name-only shutdown
Currently the ShutdownInstance method of the hypervisors takes a fullinstance object. However, when doing instance shutdowns from the nodeonly, we don't have a full object, just the name.
To handle this use case, we add a new ‘name’ argument to the method,...
Some epydoc fixes
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
hv_fake: remove hard-coded path constructs
This changes to hv_fake to PathJoin.
Implement all hv functions in hv_chroot/hv_fake
The chroot and fake hypervisors were missing:
- the powercycle node functionality- proper handling of migration requests
The powercycle was just used as in the other hypervisors (use thestandard linux powercycle). The migration for chroot was disabled...
Merge branch 'devel-2.0' into devel-2.1
Fix two bugs in seldom-used codepaths
New version of pylint, new bugs found!
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Olivier Tharan <olive@google.com>
Hypervisors: Add retry= to StopInstance
Currently some hypervisors need the stop operations to be retried morethan once, while other ones only do it in one pass. With this changewe'll handle retries outside the hypervisor code, but telling whetherthis is the first try or not....
A few style fixes
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Luca Bigliardi <shammash@google.com>
Merge branch 'next' into branch-2.1
Fix pylint warnings
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Add a node powercycle command
This (somewhat big) patch adds support for remotely rebooting the nodesvia whatever support the hypervisor has for such a concept.
For KVM/fake (and containers in the future) this just uses sysrq plus a‘reboot’ call if the sysrq method failed. For Xen, it first tries the...
Abstract Linux node information in hv_base
Currently both hv_fake and hv_kvm implement practically identical codeto get the node information. Since future container-like hypervisorswill also need this functionality, this patch moves it into the baseclass (as a separate function) which can then be called from classes...
Remove the extra_args parameter in instance start
This patch removes the extra_args parameter and instead switches theinstance to the HV_KERNEL_ARGS hypervisor option.
This is a big change, but it's a needed cleanup, this extra parameter onall RPC calls is not generic and we also need to have a persistent value...
Some small improvements to the fake hypervisor
This patch modifies the fake hypervisor to substract the memory “used”by “running” instances from the free memory, so the actual nodeinformation changes based on the running instances.
Also some style changes and fixes are added....
Export the cpu nodes and sockets from Xen
This is a hand-picked forward patch of commit 1755 on the 1.2 branch(hand-picked since the trees diverged too much since then):
The patch changed the xen hypervisor to compute the number of cpu sockets/nodes and enables the command line and the RAPI to show this...
GetShellCommand: get hvparams and beparams
Sometimes the hypervisor will use the instance hv and/or be parametersto determine the best shell command. This is not possible, though,currently, as the instance hv/beparams are not filled, so we have topass the filled versions separately....
KVM: implement GetShellCommandForConsole
This is a class method, because it calls _InstanceSerial, which isanother class method. The patch changes it to classmethod for all thehypervisor classes.
Reviewed-by: iustinp
Fix epydoc format warnings
This patch should fix all outstanding epydoc parsing errors; as such, weswitch epydoc into verbose mode so that any new errors will be visible.
Reviewed-by: imsnah
Change hypervisors to use the beparams
This patch changes the hypervisor functions to use the beparams dictinstead of the instance attributes.
Reviewed-by: ultrotter
FakeHypervisor: fix a function signature
StartInstance takes 'block_devices', not 'force' as its third argument.Even if this is not used in the fake hypervisor it's better to have thecorrect argument name to avoid confusion.
Fix some errors detected by pylint
Rename hypervisor code to lowercase filenames