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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
# Copyright (c) Meta Platforms, Inc. and affiliates.
# SPDX-License-Identifier: GPL-3.0-or-later
import argparse
import asyncio
from collections import defaultdict
import logging
import operator
import os
from pathlib import Path
import re
import shutil
import sys
from typing import Any, Awaitable, Callable, Dict, Iterable, List, Tuple, TypeVar
import aiohttp
from util import KernelVersion
from vmtest.download import VMTEST_GITHUB_RELEASE
from vmtest.githubapi import AioGitHubApi
logger = logging.getLogger(__name__)
def _prompt_yes_no(prompt: str, default: bool = True) -> bool:
prompt += " [Y/n] " if default else " [y/N] "
sys.stdout.flush()
sys.stderr.write(prompt)
sys.stderr.flush()
answer = input().strip().lower()
if answer.startswith("y"):
return True
elif answer.startswith("n"):
return False
else:
return default
def _kernel_asset_sort_key(x: Tuple[str, str, Any]) -> Tuple[KernelVersion, str]:
release, arch, _ = x
return KernelVersion(release), arch
_AssetT = TypeVar("_AssetT")
async def _prune(
*,
kernels: Iterable[Tuple[str, str, _AssetT]],
kmods: Iterable[Tuple[str, str, _AssetT]] = (),
keep: int,
asset_name: Callable[[_AssetT], str],
delete_asset: Callable[[_AssetT], Awaitable[None]],
) -> int:
def print_asset_list(assets: List[Tuple[str, str, _AssetT]]) -> None:
for _, _, asset in assets:
print(f" {asset_name(asset)}")
grouped_kernels: Dict[Tuple[str, str, str], List[Tuple[str, _AssetT]]] = (
defaultdict(list)
)
unrecognized_kernels: List[Tuple[str, str, _AssetT]] = []
for release, arch, asset in kernels:
match = re.fullmatch(
r"(?P<major_minor>[0-9]+\.[0-9]+)\.(?P<patch_rc>[0-9]+(?:-rc[0-9]+)?)-vmtest(?P<vmtest>[0-9]+(?:\.[0-9]+)*)(?P<flavor>[^.]+)",
release,
)
if match:
grouped_kernels[
(match.group("major_minor"), match.group("flavor"), arch)
].append((release, asset))
else:
unrecognized_kernels.append((release, arch, asset))
kernels_to_keep = {(release, arch) for release, arch, _ in unrecognized_kernels}
kernels_to_delete: List[Tuple[str, str, _AssetT]] = []
for (_, _, arch), kernel_group in grouped_kernels.items():
kernel_group.sort(key=lambda x: KernelVersion(x[0]), reverse=True)
for release, _ in kernel_group[:keep]:
kernels_to_keep.add((release, arch))
kernels_to_delete.extend(
(release, arch, asset) for release, asset in kernel_group[keep:]
)
kernels_to_delete.sort(key=_kernel_asset_sort_key)
kmods_to_delete = [
(release, arch, asset)
for release, arch, asset in kmods
if (release, arch) not in kernels_to_keep
]
kmods_to_delete.sort(key=_kernel_asset_sort_key)
if kernels_to_delete:
print("Deleting kernels:")
print_asset_list(kernels_to_delete)
if kmods_to_delete:
print("Deleting kernel modules:")
print_asset_list(kmods_to_delete)
if unrecognized_kernels:
unrecognized_kernels.sort(key=_kernel_asset_sort_key)
print("Ignoring unrecognized kernels:")
print_asset_list(unrecognized_kernels)
if not kernels_to_delete and not kmods_to_delete:
return 0
if not _prompt_yes_no("Continue?", default=False):
return 1
to_delete = kernels_to_delete + kmods_to_delete
for _, _, asset in to_delete:
await delete_asset(asset)
return 0
async def _delete_local_asset(asset: Path) -> None:
try:
asset.unlink()
except IsADirectoryError:
shutil.rmtree(asset)
async def main() -> None:
parser = argparse.ArgumentParser(
description="delete old vmtest kernels",
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
parser.add_argument(
"--directory",
metavar="DIR",
type=Path,
default="build/vmtest",
help="directory for vmtest artifacts",
)
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument(
"-l",
"--local",
action="store_true",
default=argparse.SUPPRESS,
help="delete locally downloaded vmtest kernels and their kernel modules",
)
group.add_argument(
"-r",
"--remote",
dest="local",
action="store_false",
default=argparse.SUPPRESS,
help="delete uploaded vmtest kernel assets",
)
parser.add_argument(
"-k", "--keep", type=int, default=1, help="number of latest kernels to keep"
)
args = parser.parse_args()
if args.keep <= 0:
sys.exit("keep must be >= 1")
if args.local:
status = await _prune(
kernels=(
(kernel.name[len("kernel-") :], kernel.parent.name, kernel)
for kernel in args.directory.glob("*/kernel-*")
),
kmods=(
(kmod.name[len("drgn_test-") : -len(".ko")], kmod.parent.name, kmod)
for kmod in args.directory.glob("*/drgn_test-*.ko")
),
keep=args.keep,
asset_name=str,
delete_asset=_delete_local_asset,
)
else:
GITHUB_TOKEN = os.getenv("GITHUB_TOKEN")
if GITHUB_TOKEN is None:
sys.exit("GITHUB_TOKEN environment variable is not set")
async with aiohttp.ClientSession(trust_env=True) as session:
gh = AioGitHubApi(session, GITHUB_TOKEN)
github_release = await gh.get_release_by_tag(
*VMTEST_GITHUB_RELEASE, cache=args.directory / "github_release.json"
)
kernels = []
for asset in github_release["assets"]:
match = re.fullmatch(
r"kernel-(?P<release>.*)\.(?P<arch>[^.]+)\.tar\.zst", asset["name"]
)
if match:
kernels.append((match.group("release"), match.group("arch"), asset))
elif asset["name"].startswith("kernel-"):
logger.warning("ignoring unrecognized kernel: %s", asset["name"])
async def _delete_remote_asset(asset: Dict[str, Any]) -> None:
await gh.delete(asset["url"])
status = await _prune(
kernels=kernels,
keep=args.keep,
asset_name=operator.itemgetter("name"),
delete_asset=_delete_remote_asset,
)
sys.exit(status)
if __name__ == "__main__":
asyncio.run(main())
|
