blob: f5591c02665649634be14c81251144057661971c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
# python3
# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Abstract types."""
import threading
from typing import List
from benchmarks.harness import machine
class MachineProducer:
"""Abstract Machine producer."""
def get_machines(self, num_machines: int) -> List[machine.Machine]:
"""Returns the requested number of machines."""
raise NotImplementedError
def release_machines(self, machine_list: List[machine.Machine]):
"""Releases the given set of machines."""
raise NotImplementedError
class LocalMachineProducer(MachineProducer):
"""Produces Local Machines."""
def __init__(self, limit: int):
self.limit_sem = threading.Semaphore(value=limit)
def get_machines(self, num_machines: int) -> List[machine.Machine]:
"""Returns the request number of MockMachines."""
self.limit_sem.acquire()
return [machine.LocalMachine("local") for _ in range(num_machines)]
def release_machines(self, machine_list: List[machine.MockMachine]):
"""No-op."""
if not machine_list:
raise ValueError("Cannot release an empty list!")
self.limit_sem.release()
machine_list.clear()
|
