import sys
import wc_daemonize
def propagate(vm_name, common, async, images):
if not images.lengthy_obtain():
c.log.warn("Propagation asked for but it is not required.")
return
args = [vm_name, common, async, images]
wc_daemonize.daemonize(common, propagate_under_daemonization, args)
# The following method is called in two (known) circumstances
# 1. Directly under the daemonization harness
# 2. As part of the create+propagate logic in the wc_core_creation module,
# another function drives the process under the daemonization harness and
# then calls this as needed. That expects the local_file_set return value.
def propagate_under_daemonization(vm_name, common, async, images):
local_file_set = None
try:
local_file_set = images.obtain()
except Exception,e:
common.log.error("Problem propagating.")
common.log.exception(e)
exception_type = sys.exc_type
try:
exceptname = exception_type.__name__
except AttributeError:
exceptname = exception_type
"""
c.log.debug("_propagate_then_create()")
if not images.lengthy_obtain():
c.log.info("Propagation asked for but it is not required.")
return
func = _propagate_then_create_under_daemonization
args = [
vm_name, p, c, async, editing, images, kernels, localnet, netbootstrap,
netlease, netsecurity, persistence, platform
]
wc_daemonize.daemonize(c, func, args)
# the following function runs directly under the daemonization harness
def _propagate_then_create_under_daemonization(vm_name, p, c, async, editing,
images, kernels, localnet,
netbootstrap, netlease,
netsecurity, persistence,
platform):
local_file_set = wc_core_propagation.propagate_under_daemonization(
vm_name, c, async, images)
if not local_file_set:
c.log.error("propagation failed, cannot propagate+create, exiting")
return
def _propagate_then_create(vm_name, p, c, async, editing, images, kernels, localnet, netbootstrap, netlease, netsecurity, persistence, platform):
"""This returns quickly, all work (for both create and propagate)
happens under daemonization.
"""
c.log.debug("_propagate_then_create()")
if not images.lengthy_obtain():
c.log.info("Propagation asked for but it is not required.")
return
func = _propagate_then_create_under_daemonization
args = [vm_name, p, c, async, editing, images, kernels, localnet, netbootstrap, netlease, netsecurity, persistence, platform]
wc_daemonize.daemonize(c, func, args)
# the following function runs directly under the daemonization harness
def _propagate_then_create_under_daemonization(vm_name, p, c, async, editing, images, kernels, localnet, netbootstrap, netlease, netsecurity, persistence, platform):
local_file_set = wc_core_propagation.propagate_under_daemonization(vm_name, c, async, images)
if not local_file_set:
c.log.error("propagation failed, cannot propagate+create, exiting")
return
try:
_common(local_file_set, vm_name, p, c, editing, kernels, localnet, netbootstrap, netlease, netsecurity, persistence, platform)
except Exception,e:
c.log.error("Problem with create during daemonized propagate+create")
c.log.exception(e)