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Refactoring, VMM added, uncloud-host mostly new, migration is better now

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ahmadbilalkhalid 2019-12-28 15:39:11 +05:00
commit ba515f0b48
12 changed files with 423 additions and 364 deletions
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35
ucloud/scheduler/main.py
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@ -56,35 +56,14 @@ def main():
continue
shared.etcd_client.client.delete(request_entry.key) # consume Request
# If the Request is about a VM which is labelled as "migration"
# and has a destination
if hasattr(request_entry, "migration") and request_entry.migration \
and hasattr(request_entry, "destination") and request_entry.destination:
try:
get_suitable_host(vm_specs=vm_entry.specs,
hosts=[shared.host_pool.get(request_entry.destination)])
except NoSuitableHostFound:
logger.info("Requested destination host doesn't have enough capacity"
"to hold %s" % vm_entry.uuid)
else:
r = RequestEntry.from_scratch(type=RequestType.InitVMMigration,
uuid=request_entry.uuid,
destination=request_entry.destination,
request_prefix=settings['etcd']['request_prefix'])
shared.request_pool.put(r)
try:
assign_host(vm_entry)
except NoSuitableHostFound:
vm_entry.add_log("Can't schedule VM. No Resource Left.")
shared.vm_pool.put(vm_entry)
# If the Request is about a VM that just want to get started/created
else:
# assign_host only returns None when we couldn't be able to assign
# a host to a VM because of resource constraints
try:
assign_host(vm_entry)
except NoSuitableHostFound:
vm_entry.add_log("Can't schedule VM. No Resource Left.")
shared.vm_pool.put(vm_entry)
pending_vms.append(vm_entry)
logger.info("No Resource Left. Emailing admin....")
pending_vms.append(vm_entry)
logger.info("No Resource Left. Emailing admin....")
if __name__ == "__main__":