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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...