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-rw-r--r--helpers/__init__.py0
-rw-r--r--helpers/disk.py109
-rw-r--r--helpers/general.py206
-rw-r--r--helpers/user_interaction.py17
4 files changed, 332 insertions, 0 deletions
diff --git a/helpers/__init__.py b/helpers/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/helpers/__init__.py
diff --git a/helpers/disk.py b/helpers/disk.py
new file mode 100644
index 00000000..ad72565d
--- /dev/null
+++ b/helpers/disk.py
@@ -0,0 +1,109 @@
+import glob, re, os, json
+from collections import OrderedDict
+from helpers.general import sys_command
+
+ROOT_DIR_PATTERN = re.compile('^.*?/devices')
+GPT = 0b00000001
+
+class BlockDevice():
+ def __init__(self, path, info):
+ self.path = path
+ self.info = info
+ if not 'backplane' in self.info:
+ self.info['backplane'] = self.find_backplane(self.info)
+
+ def find_backplane(self, info):
+ if not 'type' in info: raise DiskError(f'Could not locate backplane info for "{self.path}"')
+
+ if info['type'] == 'loop':
+ for drive in json.loads(b''.join(sys_command(f'losetup --json', hide_from_log=True)).decode('UTF_8'))['loopdevices']:
+ if not drive['name'] == self.path: continue
+
+ return drive['back-file']
+ elif info['type'] == 'disk':
+ return self.path
+ elif info['type'] == 'crypt':
+ if not 'pkname' in info: raise DiskError(f'A crypt device ({self.path}) without a parent kernel device name.')
+ return f"/dev/{info['pkname']}"
+
+ def __repr__(self, *args, **kwargs):
+ return f'BlockDevice(path={self.path})'
+
+ def __getitem__(self, key, *args, **kwargs):
+ if not key in self.info:
+ raise KeyError(f'{self} does not contain information: "{key}"')
+ return self.info[key]
+
+# def __enter__(self, *args, **kwargs):
+# return self
+#
+# def __exit__(self, *args, **kwargs):
+# print('Exit:', args, kwargs)
+# b''.join(sys_command(f'sync', *args, **kwargs, hide_from_log=True))
+
+class Formatter():
+ def __init__(self, blockdevice, mode=GPT):
+ self.blockdevice = blockdevice
+ self.mode = mode
+
+ def __enter__(self, *args, **kwargs):
+ print(f'Formatting {self.blockdevice} as {self.mode}:', args, kwargs)
+ return self
+
+ def __exit__(self, *args, **kwargs):
+ print('Exit:', args, kwargs)
+ b''.join(sys_command(f'sync', *args, **kwargs, hide_from_log=True))
+
+ def format_disk(drive='drive', start='start', end='size', emulate=False, *positionals, **kwargs):
+ drive = args[drive]
+ start = args[start]
+ end = args[end]
+ if not drive:
+ raise ValueError('Need to supply a drive path, for instance: /dev/sdx')
+
+ if not SAFETY_LOCK:
+ # dd if=/dev/random of=args['drive'] bs=4096 status=progress
+ # https://github.com/dcantrell/pyparted would be nice, but isn't officially in the repo's #SadPanda
+ #if sys_command(f'/usr/bin/parted -s {drive} mklabel gpt', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ # return None
+ if sys_command(f'/usr/bin/parted -s {drive} mklabel gpt', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+ if sys_command(f'/usr/bin/parted -s {drive} mkpart primary FAT32 1MiB {start}', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+ if sys_command(f'/usr/bin/parted -s {drive} name 1 "EFI"', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+ if sys_command(f'/usr/bin/parted -s {drive} set 1 esp on', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+ if sys_command(f'/usr/bin/parted -s {drive} set 1 boot on', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+ if sys_command(f'/usr/bin/parted -s {drive} mkpart primary {start} {end}', emulate=emulate, *positionals, **kwargs).exit_code != 0:
+ return None
+
+
+def device_state(name, *args, **kwargs):
+ # Based out of: https://askubuntu.com/questions/528690/how-to-get-list-of-all-non-removable-disk-device-names-ssd-hdd-and-sata-ide-onl/528709#528709
+ if os.path.isfile('/sys/block/{}/device/block/{}/removable'.format(name, name)):
+ with open('/sys/block/{}/device/block/{}/removable'.format(name, name)) as f:
+ if f.read(1) == '1':
+ return
+
+ path = ROOT_DIR_PATTERN.sub('', os.readlink('/sys/block/{}'.format(name)))
+ hotplug_buses = ("usb", "ieee1394", "mmc", "pcmcia", "firewire")
+ for bus in hotplug_buses:
+ if os.path.exists('/sys/bus/{}'.format(bus)):
+ for device_bus in os.listdir('/sys/bus/{}/devices'.format(bus)):
+ device_link = ROOT_DIR_PATTERN.sub('', os.readlink('/sys/bus/{}/devices/{}'.format(bus, device_bus)))
+ if re.search(device_link, path):
+ return
+ return True
+
+# lsblk --json -l -n -o path
+def all_disks(*args, **kwargs):
+ if not 'partitions' in kwargs: kwargs['partitions'] = False
+ drives = OrderedDict()
+ #for drive in json.loads(sys_command(f'losetup --json', *args, **lkwargs, hide_from_log=True)).decode('UTF_8')['loopdevices']:
+ for drive in json.loads(b''.join(sys_command(f'lsblk --json -l -n -o path,size,type,mountpoint,label,pkname', *args, **kwargs, hide_from_log=True)).decode('UTF_8'))['blockdevices']:
+ if not kwargs['partitions'] and drive['type'] == 'part': continue
+
+ drives[drive['path']] = BlockDevice(drive['path'], drive)
+ return drives \ No newline at end of file
diff --git a/helpers/general.py b/helpers/general.py
new file mode 100644
index 00000000..2b730c60
--- /dev/null
+++ b/helpers/general.py
@@ -0,0 +1,206 @@
+import os, json, hashlib, shlex
+import time, pty
+from subprocess import Popen, STDOUT, PIPE, check_output
+from select import epoll, EPOLLIN, EPOLLHUP
+
+def log(*args, **kwargs):
+ print(' '.join([str(x) for x in args]))
+
+def gen_uid(entropy_length=256):
+ return hashlib.sha512(os.urandom(entropy_length)).hexdigest()
+
+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
+ #Thread.__init__(self)
+ if kwargs['emulate']:
+ log(f"Starting command '{cmd}' in emulation mode.")
+ self.cmd = shlex.split(cmd)
+ 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}/archinstall/cache/workers/{kwargs['worker_id']}/"
+ self.exec_dir = f'{self.cwd}/{os.path.basename(self.cmd[0])}_workingdir'
+
+ if not self.cmd[0][0] == '/':
+ log('Worker command is not executed with absolute path, trying to find: {}'.format(self.cmd[0]), origin='spawn', level=5)
+ o = check_output(['/usr/bin/which', self.cmd[0]])
+ log('This is the binary {} for {}'.format(o.decode('UTF-8'), self.cmd[0]), origin='spawn', level=5)
+ self.cmd[0] = o.decode('UTF-8').strip()
+
+ if not os.path.isdir(self.exec_dir):
+ os.makedirs(self.exec_dir)
+
+ if self.kwargs['emulate']:
+ commandlog.append(cmd + ' # (emulated)')
+ elif 'hide_from_log' in self.kwargs and self.kwargs['hide_from_log']:
+ pass
+ else:
+ commandlog.append(cmd)
+ if start_callback: start_callback(self, *args, **kwargs)
+ #self.start()
+ 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):
+ #main = None
+ #for t in tenum():
+ # if t.name == 'MainThread':
+ # main = t
+ # break
+
+ #if not main:
+ # log('Main thread not existing')
+ # return
+
+ 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[0], 'gave:', output.decode('UTF-8'))
+ log(self.cmd[0],'gave:', output.decode('UTF-8'), origin='spawn', level=4)
+
+ 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.", origin='spawn', level=4)
+ alive = False
+ break
+
+ self.status = 'done'
+
+ if 'debug' in self.kwargs and self.kwargs['debug']:
+ log(f"{self.cmd[0]} waiting for exit code.", origin='spawn', level=5)
+
+ 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 'ignore_errors' in self.kwargs:
+ self.exit_code = 0
+
+ if self.exit_code != 0:
+ log(f"{self.cmd} did not exit gracefully, exit code {self.exit_code}.", origin='spawn', level=3)
+ log(self.trace_log.decode('UTF-8'), origin='spawn', level=3)
+ else:
+ log(f"{self.cmd[0]} exit nicely.", origin='spawn', level=5)
+
+ self.ended = time.time()
+ with open(f'{self.cwd}/trace.log', 'wb') as fh:
+ fh.write(self.trace_log)
+
+def prerequisit_check():
+ if not os.path.isdir('/sys/firmware/efi'):
+ raise RequirementError('Archinstall only supports machines in UEFI mode.')
+
+ return True
+
diff --git a/helpers/user_interaction.py b/helpers/user_interaction.py
new file mode 100644
index 00000000..1b7e85cf
--- /dev/null
+++ b/helpers/user_interaction.py
@@ -0,0 +1,17 @@
+from exceptions import *
+
+def select_disk(dict_o_disks):
+ drives = sorted(list(dict_o_disks.keys()))
+ if len(drives) > 1:
+ for index, drive in enumerate(drives):
+ print(f"{index}: {drive} ({dict_o_disks[drive]['size'], dict_o_disks[drive]['backplane'], dict_o_disks[drive]['label']})")
+ drive = input('Select one of the above disks (by number or full path): ')
+ if drive.isdigit():
+ drive = dict_o_disks[drives[int(drive)]]
+ elif drive in dict_o_disks:
+ drive = dict_o_disks[drive]
+ else:
+ raise DiskError(f'Selected drive does not exist: "{drive}"')
+ return drive
+
+ raise DiskError('select_disk() requires a non-empty dictionary of disks to select from.') \ No newline at end of file