def _best_flavor(self, properties):
log.info(_('Choosing the best flavor for given attributes.'))
# Check whether user exported all required environment variables.
flavors = nova_flavors.get_flavors()
# start with all flavors
match_all = flavors.keys()
# TODO(anyone): Handle the case where the value contains something like
# get_input instead of a value.
# flavors that fit the CPU count
cpu = properties.get(self.NUM_CPUS)
if cpu is None:
self._log_compute_msg(self.NUM_CPUS, 'flavor')
match_cpu = self._match_flavors(match_all, flavors, self.NUM_CPUS, cpu)
# flavors that fit the mem size
mem = properties.get(self.MEM_SIZE)
if mem:
mem = translator.common.utils.MemoryUnit.convert_unit_size_to_num(
mem, 'MB')
else:
self._log_compute_msg(self.MEM_SIZE, 'flavor')
match_cpu_mem = self._match_flavors(match_cpu, flavors,
self.MEM_SIZE, mem)
# flavors that fit the disk size
disk = properties.get(self.DISK_SIZE)
if disk:
disk = translator.common.utils.MemoryUnit.\
convert_unit_size_to_num(disk, 'GB')
else:
self._log_compute_msg(self.DISK_SIZE, 'flavor')
match_cpu_mem_disk = self._match_flavors(match_cpu_mem, flavors,
self.DISK_SIZE, disk)
# if multiple match, pick the flavor with the least memory
# the selection can be based on other heuristic, e.g. pick one with the
# least total resource
if len(match_cpu_mem_disk) > 1:
return self._least_flavor(match_cpu_mem_disk, flavors, 'mem_size')
elif len(match_cpu_mem_disk) == 1:
return match_cpu_mem_disk[0]
else:
return None
def _best_flavor(self, properties):
log.info(_('Choosing the best flavor for given attributes.'))
# Check whether user exported all required environment variables.
flavors = nova_flavors.get_flavors()
# start with all flavors
match_all = flavors.keys()
# TODO(anyone): Handle the case where the value contains something like
# get_input instead of a value.
# flavors that fit the CPU count
cpu = properties.get(self.NUM_CPUS)
if cpu is None:
self._log_compute_msg(self.NUM_CPUS, 'flavor')
match_cpu = self._match_flavors(match_all, flavors, self.NUM_CPUS, cpu)
# flavors that fit the mem size
mem = properties.get(self.MEM_SIZE)
if mem:
mem = translator.common.utils.MemoryUnit.convert_unit_size_to_num(
mem, 'MB')
else:
self._log_compute_msg(self.MEM_SIZE, 'flavor')
match_cpu_mem = self._match_flavors(match_cpu, flavors,
self.MEM_SIZE, mem)
# flavors that fit the disk size
disk = properties.get(self.DISK_SIZE)
if disk:
disk = translator.common.utils.MemoryUnit.\
convert_unit_size_to_num(disk, 'GB')
else:
self._log_compute_msg(self.DISK_SIZE, 'flavor')
match_cpu_mem_disk = self._match_flavors(match_cpu_mem, flavors,
self.DISK_SIZE, disk)
# if multiple match, pick the flavor with the least memory
# the selection can be based on other heuristic, e.g. pick one with the
# least total resource
if len(match_cpu_mem_disk) > 1:
return self._least_flavor(match_cpu_mem_disk, flavors, 'mem_size')
elif len(match_cpu_mem_disk) == 1:
return match_cpu_mem_disk[0]
else:
return None