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
|
import getpass, time, json, sys, signal, os
import archinstall
# Setup a global log file.
# Archinstall will honor storage['logfile'] in most of it's functions log handle.
log_root = os.path.join(os.path.expanduser('~/'), '.cache/archinstall')
if not os.path.isdir(log_root):
os.makedirs(log_root)
init_time = time.strftime('%Y-%m-%d_%H-%M-%S')
milliseconds = int(str(time.time()).split('.')[1])
archinstall.storage['logfile'] = f"{log_root}/install-session_{init_time}.{milliseconds}.log"
"""
This signal-handler chain (and global variable)
is used to trigger the "Are you sure you want to abort?" question.
"""
SIG_TRIGGER = False
def kill_handler(sig, frame):
print()
exit(0)
def sig_handler(sig, frame):
global SIG_TRIGGER
SIG_TRIGGER = True
signal.signal(signal.SIGINT, kill_handler)
original_sigint_handler = signal.getsignal(signal.SIGINT)
signal.signal(signal.SIGINT, sig_handler)
def perform_installation(device, boot_partition, language, mirrors):
"""
Performs the installation steps on a block device.
Only requirement is that the block devices are
formatted and setup prior to entering this function.
"""
with archinstall.Installer(device, boot_partition=boot_partition, hostname=archinstall.storage['_guided']['hostname']) as installation:
## if len(mirrors):
# Certain services might be running that affects the system during installation.
# Currently, only one such service is "reflector.service" which updates /etc/pacman.d/mirrorlist
# We need to wait for it before we continue since we opted in to use a custom mirror/region.
installation.log(f'Waiting for automatic mirror selection has completed before using custom mirrors.')
while 'dead' not in (status := archinstall.service_state('reflector')):
time.sleep(1)
archinstall.use_mirrors(mirrors) # Set the mirrors for the live medium
if installation.minimal_installation():
installation.set_mirrors(mirrors) # Set the mirrors in the installation medium
installation.set_keyboard_language(language)
installation.add_bootloader()
if len(packages) and packages[0] != '':
installation.add_additional_packages(packages)
if profile and len(profile.strip()):
installation.install_profile(profile)
for user, password in users.items():
sudo = False
if len(root_pw.strip()) == 0:
sudo = True
installation.user_create(user, password, sudo=sudo)
if root_pw:
installation.user_set_pw('root', root_pw)
# Unmount and close previous runs (in case the installer is restarted)
archinstall.sys_command(f'umount -R /mnt', suppress_errors=True)
archinstall.sys_command(f'cryptsetup close /dev/mapper/luksloop', suppress_errors=True)
"""
First, we'll ask the user for a bunch of user input.
Not until we're satisfied with what we want to install
will we continue with the actual installation steps.
"""
keyboard_language = archinstall.select_language(archinstall.list_keyboard_languages())
archinstall.set_keyboard_language(keyboard_language)
# Create a storage structure for all our information.
# We'll print this right before the user gets informed about the formatting timer.
archinstall.storage['_guided'] = {}
# Set which region to download packages from during the installation
mirror_regions = archinstall.select_mirror_regions(archinstall.list_mirrors())
archinstall.storage['_guided']['mirrors'] = mirror_regions
# Ask which harddrive/block-device we will install to
harddrive = archinstall.select_disk(archinstall.all_disks())
while (disk_password := getpass.getpass(prompt='Enter disk encryption password (leave blank for no encryption): ')):
disk_password_verification = getpass.getpass(prompt='And one more time for verification: ')
if disk_password != disk_password_verification:
archinstall.log(' * Passwords did not match * ', bg='black', fg='red')
continue
break
archinstall.storage['_guided']['harddrive'] = harddrive
# Ask for a hostname
hostname = input('Desired hostname for the installation: ')
if len(hostname) == 0:
hostname = 'ArchInstall'
archinstall.storage['_guided']['hostname'] = hostname
# Ask for a root password (optional, but triggers requirement for super-user if skipped)
while (root_pw := getpass.getpass(prompt='Enter root password (leave blank to leave root disabled): ')):
root_pw_verification = getpass.getpass(prompt='And one more time for verification: ')
if root_pw != root_pw_verification:
archinstall.log(' * Passwords did not match * ', bg='black', fg='red')
continue
break
# Ask for additional users (super-user if root pw was not set)
users = {}
new_user_text = 'Any additional users to install (leave blank for no users): '
if len(root_pw.strip()) == 0:
new_user_text = 'Create a super-user with sudo privileges: '
while 1:
new_user = input(new_user_text)
if len(new_user.strip()) == 0:
if len(root_pw.strip()) == 0:
archinstall.log(' * Since root is disabled, you need to create a least one (super) user!', bg='black', fg='red')
continue
break
if 'users' not in archinstall.storage['_guided']:
archinstall.storage['_guided']['users'] = []
archinstall.storage['_guided']['users'].append(new_user)
new_user_passwd = getpass.getpass(prompt=f'Password for user {new_user}: ')
new_user_passwd_verify = getpass.getpass(prompt=f'Enter password again for verification: ')
if new_user_passwd != new_user_passwd_verify:
archinstall.log(' * Passwords did not match * ', bg='black', fg='red')
continue
users[new_user] = new_user_passwd
break
# Ask for archinstall-specific profiles (such as desktop environments etc)
while 1:
profile = archinstall.select_profile(archinstall.list_profiles())
if profile:
archinstall.storage['_guided']['profile'] = profile
if type(profile) != str: # Got a imported profile
archinstall.storage['_guided']['profile'] = profile[0] # The second return is a module, and not a handle/object.
if not profile[1]._prep_function():
# TODO: See how we can incorporate this into
# the general log flow. As this is pre-installation
# session setup. Which creates the installation.log file.
archinstall.log(
' * Profile\'s preparation requirements was not fulfilled.',
bg='black',
fg='red'
)
continue
profile = profile[0]._path # Once the prep is done, replace the selected profile with the profile name ("path") given from select_profile()
break
else:
break
# Additional packages (with some light weight error handling for invalid package names)
while 1:
packages = [package for package in input('Additional packages aside from base (space separated): ').split(' ') if len(package)]
if not packages:
break
try:
if archinstall.validate_package_list(packages):
archinstall.storage['_guided']['packages'] = packages
break
except archinstall.RequirementError as e:
print(e)
print()
print('This is your chosen configuration:')
archinstall.log("-- Guided template chosen (with below config) --", level=archinstall.LOG_LEVELS.Debug)
archinstall.log(json.dumps(archinstall.storage['_guided'], indent=4, sort_keys=True, cls=archinstall.JSON), level=archinstall.LOG_LEVELS.Info)
print()
"""
Issue a final warning before we continue with something un-revertable.
We mention the drive one last time, and count from 5 to 0.
"""
print(f' ! Formatting {harddrive} in ', end='')
for i in range(5, 0, -1):
print(f"{i}", end='')
for x in range(4):
sys.stdout.flush()
time.sleep(0.25)
print(".", end='')
if SIG_TRIGGER:
abort = input('\nDo you really want to abort (y/n)? ')
if abort.strip() != 'n':
exit(0)
if SIG_TRIGGER is False:
sys.stdin.read()
SIG_TRIGGER = False
signal.signal(signal.SIGINT, sig_handler)
print()
signal.signal(signal.SIGINT, original_sigint_handler)
"""
Setup the blockdevice, filesystem (and optionally encryption).
Once that's done, we'll hand over to perform_installation()
"""
with archinstall.Filesystem(harddrive, archinstall.GPT) as fs:
# Use partitioning helper to set up the disk partitions.
if disk_password:
fs.use_entire_disk('luks2')
else:
fs.use_entire_disk('ext4')
if harddrive.partition[1].size == '512M':
raise OSError('Trying to encrypt the boot partition for petes sake..')
harddrive.partition[0].format('fat32')
if disk_password:
# First encrypt and unlock, then format the desired partition inside the encrypted part.
# archinstall.luks2() encrypts the partition when entering the with context manager, and
# unlocks the drive so that it can be used as a normal block-device within archinstall.
with archinstall.luks2(harddrive.partition[1], 'luksloop', disk_password) as unlocked_device:
unlocked_device.format('btrfs')
perform_installation(unlocked_device, harddrive.partition[0], keyboard_language, mirror_regions)
else:
harddrive.partition[1].format('ext4')
perform_installation(harddrive.partition[1], harddrive.partition[0], keyboard_language, mirror_regions)
|