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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186
|
from __future__ import annotations
import asyncio
from pathlib import Path
import fsspec
import msgpack
import pytest
import yaml
import distributed
from distributed.cluster_dump import DumpArtefact, _tuple_to_list, write_state
from distributed.utils_test import assert_story, gen_cluster, gen_test, inc
@pytest.mark.parametrize(
"input, expected",
[
([1, 2, 3], [1, 2, 3]),
((1, 2, 3), [1, 2, 3]),
({"x": (1, (2,))}, {"x": [1, [2]]}),
("foo", "foo"),
],
)
def test_tuple_to_list(input, expected):
assert _tuple_to_list(input) == expected
async def get_state():
return {"foo": "bar", "list": ["a"], "tuple": (1, "two", 3)}
@gen_test()
async def test_write_state_msgpack(tmp_path):
path = str(tmp_path / "bar")
await write_state(get_state, path, "msgpack")
with fsspec.open(f"{path}.msgpack.gz", "rb", compression="gzip") as f:
readback = msgpack.load(f)
assert readback == _tuple_to_list(await get_state())
@gen_test()
async def test_write_state_yaml(tmp_path):
path = str(tmp_path / "bar")
await write_state(get_state, path, "yaml")
with open(f"{path}.yaml") as f:
readback = yaml.safe_load(f)
assert readback == _tuple_to_list(await get_state())
f.seek(0)
assert "!!python/tuple" not in f.read()
def blocked_inc(x, event):
event.wait()
return x + 1
@gen_cluster(client=True)
async def test_cluster_dump_state(c, s, a, b, tmp_path):
filename = tmp_path / "dump"
futs = c.map(inc, range(2))
fut_keys = {f.key for f in futs}
await c.gather(futs)
event = distributed.Event()
blocked_fut = c.submit(blocked_inc, 1, event)
await asyncio.sleep(0.05)
await c.dump_cluster_state(filename, format="msgpack")
scheduler_tasks = list(s.tasks.values())
worker_tasks = [t for w in (a, b) for t in w.state.tasks.values()]
smem_tasks = [t for t in scheduler_tasks if t.state == "memory"]
wmem_tasks = [t for t in worker_tasks if t.state == "memory"]
assert len(smem_tasks) == 2
assert len(wmem_tasks) == 2
sproc_tasks = [t for t in scheduler_tasks if t.state == "processing"]
wproc_tasks = [t for t in worker_tasks if t.state == "executing"]
assert len(sproc_tasks) == 1
assert len(wproc_tasks) == 1
await c.gather(event.set(), blocked_fut)
dump = DumpArtefact.from_url(f"{filename}.msgpack.gz")
smem_keys = {t["key"] for t in dump.scheduler_tasks_in_state("memory")}
wmem_keys = {t["key"] for t in dump.worker_tasks_in_state("memory")}
assert smem_keys == fut_keys
assert smem_keys == {t.key for t in smem_tasks}
assert wmem_keys == fut_keys
assert wmem_keys == {t.key for t in wmem_tasks}
sproc_keys = {t["key"] for t in dump.scheduler_tasks_in_state("processing")}
wproc_keys = {t["key"] for t in dump.worker_tasks_in_state("executing")}
assert sproc_keys == {t.key for t in sproc_tasks}
assert wproc_keys == {t.key for t in wproc_tasks}
sall_keys = {t["key"] for t in dump.scheduler_tasks_in_state()}
wall_keys = {t["key"] for t in dump.worker_tasks_in_state()}
assert fut_keys | {blocked_fut.key} == sall_keys
assert fut_keys | {blocked_fut.key} == wall_keys
# Mapping API works
assert "transition_log" in dump["scheduler"]
assert "log" in dump["workers"][a.address]
assert len(dump) == 3
@gen_cluster(client=True)
async def test_cluster_dump_story(c, s, a, b, tmp_path):
filename = tmp_path / "dump"
f1 = c.submit(inc, 0, key="f1")
f2 = c.submit(inc, 1, key="f2")
await c.gather([f1, f2])
await c.dump_cluster_state(filename, format="msgpack")
dump = DumpArtefact.from_url(f"{filename}.msgpack.gz")
story = dump.scheduler_story("f1", "f2")
assert story.keys() == {"f1", "f2"}
for k, task_story in story.items():
assert_story(task_story, s.story(k))
story = dump.worker_story("f1", "f2")
assert story.keys() == {"f1", "f2"}
for k, task_story in story.items():
assert_story(task_story, a.state.story(k) + b.state.story(k))
@gen_cluster(client=True)
async def test_cluster_dump_to_yamls(c, s, a, b, tmp_path):
futs = c.map(inc, range(2))
await c.gather(futs)
event = distributed.Event()
blocked_fut = c.submit(blocked_inc, 1, event)
filename = tmp_path / "dump"
await asyncio.sleep(0.05)
await c.dump_cluster_state(filename, format="msgpack")
await event.set()
await blocked_fut
dump = DumpArtefact.from_url(f"{filename}.msgpack.gz")
yaml_path = Path(tmp_path / "dump")
dump.to_yamls(yaml_path)
scheduler_files = {
"events.yaml",
"extensions.yaml",
"general.yaml",
"task_groups.yaml",
"tasks.yaml",
"transition_log.yaml",
"workers.yaml",
}
scheduler_yaml_path = yaml_path / "scheduler"
expected = {scheduler_yaml_path / f for f in scheduler_files}
assert expected == set(scheduler_yaml_path.iterdir())
worker_files = {
"config.yaml",
"general.yaml",
"log.yaml",
"logs.yaml",
"tasks.yaml",
}
for worker in (a, b):
worker_yaml_path = yaml_path / worker.id
expected = {worker_yaml_path / f for f in worker_files}
assert expected == set(worker_yaml_path.iterdir())
# Internal dictionary state compaction
# has not been destructive of the original dictionary
assert "id" in dump["scheduler"]
assert "address" in dump["scheduler"]
|