Module instance_helpervm
source code
Functions for running helper virtual machines to perform tasks on
instances.
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HelperVM(lu,
instance,
vm_image,
startup_timeout,
vm_timeout,
log_prefix=None,
feedback_fn=None)
Runs a given helper VM for a given instance. |
source code
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RunWithHelperVM(lu,
instance,
vm_image,
startup_timeout,
vm_timeout,
log_prefix=None,
feedback_fn=None)
Runs a given helper VM for a given instance. |
source code
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Imports:
contextlib,
constants,
errors,
retry,
IsInstanceRunning,
DetermineImageSize,
StartInstanceDisks,
TemporaryDisk,
ImageDisks
HelperVM(lu,
instance,
vm_image,
startup_timeout,
vm_timeout,
log_prefix=None,
feedback_fn=None)
| source code
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Runs a given helper VM for a given instance.
- Parameters:
lu (LogicalUnit) - the lu on whose behalf we executeinstance (objects.Instance) - the instance definitionvm_image (string) - the name of the helper VM image to dump on a temporary diskstartup_timeout (int) - how long to wait for the helper VM to start upvm_timeout (int) - how long to wait for the helper VM to finish its worklog_prefix (string) - a prefix for all log messagesfeedback_fn (function) - Function used to log progress - Decorators:
@contextlib.contextmanager
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RunWithHelperVM(lu,
instance,
vm_image,
startup_timeout,
vm_timeout,
log_prefix=None,
feedback_fn=None)
| source code
|
Runs a given helper VM for a given instance.
- Parameters:
lu (LogicalUnit) - the lu on whose behalf we executeinstance (objects.Instance) - the instance definitionvm_image (string) - the name of the helper VM image to dump on a temporary diskstartup_timeout (int) - how long to wait for the helper VM to start upvm_timeout (int) - how long to wait for the helper VM to finish its worklog_prefix (string) - a prefix for all log messagesfeedback_fn (function) - Function used to log progress
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