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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
import os, json, hashlib, shlex, sys
import time, pty
from datetime import datetime, date
from subprocess import Popen, STDOUT, PIPE, check_output
from select import epoll, EPOLLIN, EPOLLHUP
from .exceptions import *
from .output import *
def gen_uid(entropy_length=256):
return hashlib.sha512(os.urandom(entropy_length)).hexdigest()
def multisplit(s, splitters):
s = [s,]
for key in splitters:
ns = []
for obj in s:
x = obj.split(key)
for index, part in enumerate(x):
if len(part):
ns.append(part)
if index < len(x)-1:
ns.append(key)
s = ns
return s
def locate_binary(name):
for PATH in os.environ['PATH'].split(':'):
for root, folders, files in os.walk(PATH):
for file in files:
if file == name:
return os.path.join(root, file)
break # Don't recurse
class JSON_Encoder:
def _encode(obj):
if isinstance(obj, dict):
## We'll need to iterate not just the value that default() usually gets passed
## But also iterate manually over each key: value pair in order to trap the keys.
for key, val in list(obj.items()):
if isinstance(val, dict):
val = json.loads(json.dumps(val, cls=JSON)) # This, is a EXTREMELY ugly hack..
# But it's the only quick way I can think of to
# trigger a encoding of sub-dictionaries.
else:
val = JSON_Encoder._encode(val)
del(obj[key])
obj[JSON_Encoder._encode(key)] = val
return obj
elif hasattr(obj, 'json'):
return obj.json()
elif hasattr(obj, '__dump__'):
return obj.__dump__()
elif isinstance(obj, (datetime, date)):
return obj.isoformat()
elif isinstance(obj, (list, set, tuple)):
r = []
for item in obj:
r.append(json.loads(json.dumps(item, cls=JSON)))
return r
else:
return obj
class JSON(json.JSONEncoder, json.JSONDecoder):
def _encode(self, obj):
return JSON_Encoder._encode(obj)
def encode(self, obj):
return super(JSON, self).encode(self._encode(obj))
class sys_command():#Thread):
"""
Stolen from archinstall_gui
"""
def __init__(self, cmd, callback=None, start_callback=None, *args, **kwargs):
if not 'worker_id' in kwargs: kwargs['worker_id'] = gen_uid()
if not 'emulate' in kwargs: kwargs['emulate'] = False
if not 'surpress_errors' in kwargs: kwargs['surpress_errors'] = False
if kwargs['emulate']:
log(f"Starting command '{cmd}' in emulation mode.")
self.raw_cmd = cmd
try:
self.cmd = shlex.split(cmd)
except Exception as e:
raise ValueError(f'Incorrect string to split: {cmd}\n{e}')
self.args = args
self.kwargs = kwargs
if not 'worker' in self.kwargs: self.kwargs['worker'] = None
self.callback = callback
self.pid = None
self.exit_code = None
self.started = time.time()
self.ended = None
self.worker_id = kwargs['worker_id']
self.trace_log = b''
self.status = 'starting'
user_catalogue = os.path.expanduser('~')
self.cwd = f"{user_catalogue}/.cache/archinstall/workers/{kwargs['worker_id']}/"
self.exec_dir = f'{self.cwd}/{os.path.basename(self.cmd[0])}_workingdir'
if not self.cmd[0][0] == '/':
# "which" doesn't work as it's a builtin to bash.
# It used to work, but for whatever reason it doesn't anymore. So back to square one..
#log('Worker command is not executed with absolute path, trying to find: {}'.format(self.cmd[0]), origin='spawn', level=5)
#log('This is the binary {} for {}'.format(o.decode('UTF-8'), self.cmd[0]), origin='spawn', level=5)
self.cmd[0] = locate_binary(self.cmd[0])
if not os.path.isdir(self.exec_dir):
os.makedirs(self.exec_dir)
if start_callback: start_callback(self, *args, **kwargs)
self.run()
def __iter__(self, *args, **kwargs):
for line in self.trace_log.split(b'\n'):
yield line
def __repr__(self, *args, **kwargs):
return f"{self.cmd, self.trace_log}"
def decode(self, fmt='UTF-8'):
return self.trace_log.decode(fmt)
def dump(self):
return {
'status' : self.status,
'worker_id' : self.worker_id,
'worker_result' : self.trace_log.decode('UTF-8'),
'started' : self.started,
'ended' : self.ended,
'started_pprint' : '{}-{}-{} {}:{}:{}'.format(*time.localtime(self.started)),
'ended_pprint' : '{}-{}-{} {}:{}:{}'.format(*time.localtime(self.ended)) if self.ended else None,
'exit_code' : self.exit_code
}
def run(self):
self.status = 'running'
old_dir = os.getcwd()
os.chdir(self.exec_dir)
self.pid, child_fd = pty.fork()
if not self.pid: # Child process
# Replace child process with our main process
if not self.kwargs['emulate']:
try:
os.execv(self.cmd[0], self.cmd)
except FileNotFoundError:
self.status = 'done'
log(f"{self.cmd[0]} does not exist.", origin='spawn', level=2)
self.exit_code = 1
return False
os.chdir(old_dir)
poller = epoll()
poller.register(child_fd, EPOLLIN | EPOLLHUP)
if 'events' in self.kwargs and 'debug' in self.kwargs:
log(f'[D] Using triggers for command: {self.cmd}')
log(json.dumps(self.kwargs['events']))
alive = True
last_trigger_pos = 0
while alive and not self.kwargs['emulate']:
for fileno, event in poller.poll(0.1):
try:
output = os.read(child_fd, 8192).strip()
self.trace_log += output
except OSError:
alive = False
break
if 'debug' in self.kwargs and self.kwargs['debug'] and len(output):
log(self.cmd, 'gave:', output.decode('UTF-8'))
if 'on_output' in self.kwargs:
self.kwargs['on_output'](self.kwargs['worker'], output)
lower = output.lower()
broke = False
if 'events' in self.kwargs:
for trigger in list(self.kwargs['events']):
if type(trigger) != bytes:
original = trigger
trigger = bytes(original, 'UTF-8')
self.kwargs['events'][trigger] = self.kwargs['events'][original]
del(self.kwargs['events'][original])
if type(self.kwargs['events'][trigger]) != bytes:
self.kwargs['events'][trigger] = bytes(self.kwargs['events'][trigger], 'UTF-8')
if trigger.lower() in self.trace_log[last_trigger_pos:].lower():
trigger_pos = self.trace_log[last_trigger_pos:].lower().find(trigger.lower())
if 'debug' in self.kwargs and self.kwargs['debug']:
log(f"Writing to subprocess {self.cmd[0]}: {self.kwargs['events'][trigger].decode('UTF-8')}")
log(f"Writing to subprocess {self.cmd[0]}: {self.kwargs['events'][trigger].decode('UTF-8')}", origin='spawn', level=5)
last_trigger_pos = trigger_pos
os.write(child_fd, self.kwargs['events'][trigger])
del(self.kwargs['events'][trigger])
broke = True
break
if broke:
continue
## Adding a exit trigger:
if len(self.kwargs['events']) == 0:
if 'debug' in self.kwargs and self.kwargs['debug']:
log(f"Waiting for last command {self.cmd[0]} to finish.", origin='spawn', level=4)
if bytes(f']$'.lower(), 'UTF-8') in self.trace_log[0-len(f']$')-5:].lower():
if 'debug' in self.kwargs and self.kwargs['debug']:
log(f"{self.cmd[0]} has finished.")
alive = False
break
self.status = 'done'
if 'debug' in self.kwargs and self.kwargs['debug']:
log(f"{self.cmd[0]} waiting for exit code.")
if not self.kwargs['emulate']:
try:
self.exit_code = os.waitpid(self.pid, 0)[1]
except ChildProcessError:
try:
self.exit_code = os.waitpid(child_fd, 0)[1]
except ChildProcessError:
self.exit_code = 1
else:
self.exit_code = 0
if 'debug' in self.kwargs and self.kwargs['debug']:
log(f"{self.cmd[0]} got exit code: {self.exit_code}")
if 'ignore_errors' in self.kwargs:
self.exit_code = 0
if self.exit_code != 0 and not self.kwargs['surpress_errors']:
log(f"'{self.raw_cmd}' did not exit gracefully, exit code {self.exit_code}.")
log(self.trace_log.decode('UTF-8'))
raise SysCallError(f"'{self.raw_cmd}' did not exit gracefully, exit code {self.exit_code}.\n{self.trace_log.decode('UTF-8')}")
self.ended = time.time()
with open(f'{self.cwd}/trace.log', 'wb') as fh:
fh.write(self.trace_log)
def prerequisite_check():
if not os.path.isdir("/sys/firmware/efi"):
raise RequirementError("Archinstall only supports machines in UEFI mode.")
return True
def reboot():
o = b''.join(sys_command(("/usr/bin/reboot")))
|