opning ports for testing

python/installer/old_installer.py

@@ -1,4 +1,3 @@
-# ruff: noqa: LOG015, E501, D102, D103, D107 These need the be fixed
 """Install NixOS on a ZFS pool."""
 
 from __future__ import annotations
@@ -17,6 +16,9 @@ from typing import TYPE_CHECKING
 if TYPE_CHECKING:
     from collections.abc import Sequence
 
+logger = logging.getLogger(__name__)
+ESCAPE_KEY = 27
+
 
 def configure_logger(level: str = "INFO") -> None:
     """Configure the logger.
@@ -42,7 +44,7 @@ def bash_wrapper(command: str) -> str:
         Tuple[str, int]: A tuple containing the output of the command (stdout) as a string,
         the error output (stderr) as a string (optional), and the return code as an integer.
     """
-    logging.debug(f"running {command=}")
+    logger.debug(f"running {command=}")
     # This is a acceptable risk
     process = Popen(command.split(), stdout=PIPE, stderr=PIPE)
     output, _ = process.communicate()
@@ -63,7 +65,7 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
         reserve (int, optional): The size of the reserve partition in GB. Defaults to 0.
             minimum value is 0.
     """
-    logging.info(f"partitioning {disk=}")
+    logger.info(f"partitioning {disk=}")
     swap_size = max(swap_size, 1)
     reserve = max(reserve, 0)
 
@@ -71,16 +73,16 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
 
     if reserve > 0:
         msg = f"Creating swap partition on {disk=} with size {swap_size=}GiB and reserve {reserve=}GiB"
-        logging.info(msg)
+        logger.info(msg)
 
         swap_start = swap_size + reserve
         swap_partition = f"mkpart swap -{swap_start}GiB -{reserve}GiB "
     else:
-        logging.info(f"Creating swap partition on {disk=} with size {swap_size=}GiB")
+        logger.info(f"Creating swap partition on {disk=} with size {swap_size=}GiB")
         swap_start = swap_size
         swap_partition = f"mkpart swap -{swap_start}GiB 100% "
 
-    logging.debug(f"{swap_partition=}")
+    logger.debug(f"{swap_partition=}")
 
     create_partitions = (
         f"parted --script --align=optimal {disk} -- "
@@ -92,7 +94,7 @@ def partition_disk(disk: str, swap_size: int, reserve: int = 0) -> None:
     )
     bash_wrapper(create_partitions)
 
-    logging.info(f"{disk=} successfully partitioned")
+    logger.info(f"{disk=} successfully partitioned")
 
 
 def create_zfs_pool(pool_disks: Sequence[str], mnt_dir: str) -> None:
@@ -131,7 +133,7 @@ def create_zfs_pool(pool_disks: Sequence[str], mnt_dir: str) -> None:
     bash_wrapper(zpool_create)
     zpools = bash_wrapper("zpool list -o name")
     if "root_pool" not in zpools.splitlines():
-        logging.critical("Failed to create root_pool")
+        logger.critical("Failed to create root_pool")
         sys.exit(1)
 
 
@@ -151,7 +153,7 @@ def create_zfs_datasets() -> None:
     }
     missing_datasets = expected_datasets.difference(datasets.splitlines())
     if missing_datasets:
-        logging.critical(f"Failed to create pools {missing_datasets}")
+        logger.critical(f"Failed to create pools {missing_datasets}")
         sys.exit(1)
 
 
@@ -164,8 +166,7 @@ def get_cpu_manufacturer() -> str:
     for line in output.splitlines():
         if "vendor_id" in line:
             return id_vendor[line.split(": ")[1].strip()]
-
+    error = "Failed to get CPU manufacturer"
-    error = "CPU manufacturer not found"
     raise RuntimeError(error)
 
 
@@ -200,7 +201,15 @@ def create_nix_hardware_file(mnt_dir: str, disks: Sequence[str], *, encrypt: boo
         '  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];\n\n'
         "  boot = {\n"
         "    initrd = {\n"
-        '      availableKernelModules = [ \n        "ahci"\n        "ehci_pci"\n        "nvme"\n        "sd_mod"\n        "usb_storage"\n        "usbhid"\n        "xhci_pci"\n      ];\n'
+        "      availableKernelModules = [ \n"
+        '        "ahci"\n'
+        '        "ehci_pci"\n'
+        '        "nvme"\n'
+        '        "sd_mod"\n'
+        '        "usb_storage"\n'
+        '        "usbhid"\n'
+        '        "xhci_pci"\n'
+        "      ];\n"
         "      kernelModules = [ ];\n"
         f" {devices}"
         "    };\n"
@@ -214,11 +223,18 @@ def create_nix_hardware_file(mnt_dir: str, disks: Sequence[str], *, encrypt: boo
         '    "/nix" = {\n      device = "root_pool/nix";\n      fsType = "zfs";\n    };\n\n'
         '    "/boot" = {\n'
         f'      device = "/dev/disk/by-uuid/{get_boot_drive_id(disks[0])}";\n'
-        '      fsType = "vfat";\n      options = [\n        "fmask=0077"\n        "dmask=0077"\n      ];\n    };\n  };\n\n'
+        '      fsType = "vfat";\n'
+        "      options = [\n"
+        '        "fmask=0077"\n'
+        '        "dmask=0077"\n'
+        "      ];\n"
+        "    };\n"
+        "  };\n\n"
         "  swapDevices = [ ];\n\n"
         "  networking.useDHCP = lib.mkDefault true;\n\n"
         '  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";\n'
-        f"  hardware.cpu.{cpu_manufacturer}.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;\n"
+        f"  hardware.cpu.{cpu_manufacturer}.updateMicrocode = lib.mkDefault "
+        "config.hardware.enableRedistributableFirmware;\n"
         f'  networking.hostId = "{host_id}";\n'
         "}\n"
     )
@@ -256,18 +272,30 @@ def installer(
     encrypt_key: str | None,
 ) -> None:
     """Main."""
-    logging.info("Starting installation")
+    logger.info("Starting installation")
 
     for disk in disks:
         partition_disk(disk, swap_size, reserve)
 
         if encrypt_key:
             sleep(1)
-            for command in (
+            key_input = encrypt_key.encode()
-                f'printf "{encrypt_key}" | cryptsetup luksFormat --type luks2 {disk}-part2 -',
+            run(
-                f'printf "{encrypt_key}" | cryptsetup luksOpen {disk}-part2 luks-root-pool-{disk.split("/")[-1]}-part2 -',
+                ("cryptsetup", "luksFormat", "--type", "luks2", f"{disk}-part2", "-"),
-            ):
+                input=key_input,
-                run(command, shell=True, check=True)  # noqa: S602
+                check=True,
+            )
+            run(
+                (
+                    "cryptsetup",
+                    "luksOpen",
+                    f"{disk}-part2",
+                    f"luks-root-pool-{disk.split('/')[-1]}-part2",
+                    "-",
+                ),
+                input=key_input,
+                check=True,
+            )
 
     mnt_dir = "/tmp/nix_install"  # noqa: S108
 
@@ -282,59 +310,73 @@ def installer(
 
     create_zfs_datasets()
 
-    install_nixos(mnt_dir, disks, encrypt=encrypt_key)
+    install_nixos(mnt_dir, disks, encrypt=bool(encrypt_key))
 
-    logging.info("Installation complete")
+    logger.info("Installation complete")
 
 
 class Cursor:
-    """Cursor class to store the cursor position."""
+    """Track cursor position and constrain movement to screen bounds."""
 
     def __init__(self) -> None:
+        """Initialize cursor position and screen dimensions."""
         self.x_position = 0
         self.y_position = 0
         self.height = 0
         self.width = 0
 
     def set_height(self, height: int) -> None:
+        """Set the maximum screen height."""
         self.height = height
 
     def set_width(self, width: int) -> None:
+        """Set the maximum screen width."""
         self.width = width
 
     def x_bounce_check(self, cursor: int) -> int:
+        """Clamp an x position to the screen width."""
         cursor = max(0, cursor)
         return min(self.width - 1, cursor)
 
     def y_bounce_check(self, cursor: int) -> int:
+        """Clamp a y position to the screen height."""
         cursor = max(0, cursor)
         return min(self.height - 1, cursor)
 
     def set_x(self, x: int) -> None:
+        """Set the cursor x position."""
         self.x_position = self.x_bounce_check(x)
 
     def set_y(self, y: int) -> None:
+        """Set the cursor y position."""
         self.y_position = self.y_bounce_check(y)
 
     def get_x(self) -> int:
+        """Get the cursor x position."""
         return self.x_position
 
     def get_y(self) -> int:
+        """Get the cursor y position."""
         return self.y_position
 
     def move_up(self) -> None:
+        """Move the cursor up one row."""
         self.set_y(self.y_position - 1)
 
     def move_down(self) -> None:
+        """Move the cursor down one row."""
         self.set_y(self.y_position + 1)
 
     def move_left(self) -> None:
+        """Move the cursor left one column."""
         self.set_x(self.x_position - 1)
 
     def move_right(self) -> None:
+        """Move the cursor right one column."""
         self.set_x(self.x_position + 1)
 
     def navigation(self, key: int) -> None:
+        """Move the cursor for a curses navigation key."""
         action = {
             curses.KEY_DOWN: self.move_down,
             curses.KEY_UP: self.move_up,
@@ -349,6 +391,7 @@ class State:
     """State class to store the state of the program."""
 
     def __init__(self) -> None:
+        """Initialize installer menu state."""
         self.key = 0
         self.cursor = Cursor()
 
@@ -366,6 +409,7 @@ class State:
 
 
 def get_device(raw_device: str) -> dict[str, str]:
+    """Parse an lsblk key-value device row."""
     raw_device_components = raw_device.split(" ")
     return {thing.split("=")[0].lower(): thing.split("=")[1].strip('"') for thing in raw_device_components}
 
@@ -395,6 +439,7 @@ def get_device_id_mapping() -> dict[str, set[str]]:
 
 
 def calculate_device_menu_padding(devices: list[dict[str, str]], column: str, padding: int = 0) -> int:
+    """Calculate the width needed for a device menu column."""
     return max(len(device[column]) for device in devices) + padding
 
 
@@ -406,6 +451,7 @@ def draw_device_ids(
     menu_width: list[int],
     device_ids: set[str],
 ) -> tuple[State, int]:
+    """Draw selectable device IDs for a device row."""
     for device_id in sorted(device_ids):
         row_number = row_number + 1
         if row_number == state.cursor.get_y() and state.cursor.get_x() in menu_width:
@@ -434,7 +480,7 @@ def draw_device_menu(
     state: State,
     menu_start_y: int = 0,
     menu_start_x: int = 0,
-) -> State:
+) -> tuple[State, int]:
     """Draw the device menu and handle user input.
 
     Args:
@@ -490,6 +536,7 @@ def draw_device_menu(
 
 
 def debug_menu(std_screen: curses.window, key: int) -> None:
+    """Draw debug information for the current curses screen."""
     height, width = std_screen.getmaxyx()
     width_height = f"Width: {width}, Height: {height}"
     std_screen.addstr(height - 4, 0, width_height, curses.color_pair(5))
@@ -509,6 +556,7 @@ def status_bar(
     width: int,
     height: int,
 ) -> None:
+    """Draw the footer status bar."""
     std_screen.attron(curses.A_REVERSE)
     std_screen.attron(curses.color_pair(3))
 
@@ -521,6 +569,7 @@ def status_bar(
 
 
 def set_color() -> None:
+    """Initialize curses color pairs."""
     curses.start_color()
     curses.use_default_colors()
     for i in range(curses.COLORS):
@@ -528,6 +577,7 @@ def set_color() -> None:
 
 
 def get_text_input(std_screen: curses.window, prompt: str, y: int, x: int) -> str:
+    """Read text input from a curses screen."""
     curses.echo()
     std_screen.addstr(y, x, prompt)
     input_str = ""
@@ -535,7 +585,7 @@ def get_text_input(std_screen: curses.window, prompt: str, y: int, x: int) -> st
         key = std_screen.getch()
         if key == ord("\n"):
             break
-        if key == 27:  # ESC key  # noqa: PLR2004
+        if key == ESCAPE_KEY:
             input_str = ""
             break
         if key in (curses.KEY_BACKSPACE, ord("\b"), 127):
@@ -553,6 +603,7 @@ def swap_size_input(
     state: State,
     swap_offset: int,
 ) -> State:
+    """Handle swap size input."""
     swap_size_text = "Swap size (GB): "
     std_screen.addstr(swap_offset, 0, f"{swap_size_text}{state.swap_size}")
     if state.key == ord("\n") and state.cursor.get_y() == swap_offset:
@@ -576,6 +627,7 @@ def reserve_size_input(
     state: State,
     reserve_offset: int,
 ) -> State:
+    """Handle reserve size input."""
     reserve_size_text = "reserve size (GB): "
     std_screen.addstr(reserve_offset, 0, f"{reserve_size_text}{state.reserve_size}")
     if state.key == ord("\n") and state.cursor.get_y() == reserve_offset:
@@ -599,6 +651,7 @@ def draw_menu(std_screen: curses.window) -> State:
 
     Args:
         std_screen (curses.window): the curses window to draw on
+
     Returns:
         State: the state object
     """
@@ -658,17 +711,18 @@ def draw_menu(std_screen: curses.window) -> State:
 
 
 def main() -> None:
+    """Run the installer menu and start installation."""
     configure_logger("DEBUG")
 
     state = curses.wrapper(draw_menu)
 
     encrypt_key = getenv("ENCRYPT_KEY")
 
-    logging.info("installing_nixos")
+    logger.info("installing_nixos")
-    logging.info(f"disks: {state.selected_device_ids}")
+    logger.info(f"disks: {state.selected_device_ids}")
-    logging.info(f"swap_size: {state.swap_size}")
+    logger.info(f"swap_size: {state.swap_size}")
-    logging.info(f"reserve: {state.reserve_size}")
+    logger.info(f"reserve: {state.reserve_size}")
-    logging.info(f"encrypted: {bool(encrypt_key)}")
+    logger.info(f"encrypted: {bool(encrypt_key)}")
 
     sleep(3)