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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>
hv_chroot: use utils.GetMounts()
Signed-off-by: Balazs Lecz <leczb@google.com>Reviewed-by: Iustin Pop <iustin@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>
Fix broken commit 9e302a8
Commit 9e302a8 split the StopInstance function in two without properlyduplicating the local variables.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: René Nussbaumer <rn@google.com>
hv_chroot: move unmount to CleanupInstance()
This allows cleanup to be done properly if the "instance" wasn't runningat all (based on the CleanupInstance framework, instead of the retry inhypervisor).
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
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
hv_chroot: remove hard-coded path constructs
This patch abstract the computation of an instance's root directory intoa separate function (that uses PathJoin instead of "%s/%s").
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Switch from os.path.join to utils.PathJoin
This passes a full burnin with lots of instances, and should be safe aswe mostly to join a known root (various constants) to a run-timevariable.
Fix unused imports or add silences where needed
In some cases pylint doesn't parse the import correctly, so we addsilences; but there are also many cases of unused imports, which wesimply remove.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Olivier Tharan <olive@google.com>
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...
Remove many 'Unused variable' warnings
Note there are some cases left which need extra cleanup.
ChrootManager: clean StopInstance
Currently it has lots for duplicated code, and internal retries.Clean it up with the following assumptions:
We'll probably be called more than once.It is ok to fail to stop, unless we're called with force=True.If we're called only once, and with force=True it's ok not to run the...
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>
hv_chroot: update PARAMETERS value
In the new branch-2.1 PARAMETERS must be a dict rather than a list. Inthe hv_chroot case though we can just check that the path is absoluteand normal, and not its existence, because it's inside the targetchroot.
Signed-off-by: Guido Trotter <ultrotter@google.com>...
New hypervisor implementation: chroot manager
This patch adds a new hypervisor implementation: a chroot manager. Thishypervisor type can be used to manage (in combination with special OSdefinitions) the start and stop of chroot areas, and if used with drbd...