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Fix UEFI boot by mounting efivarfs and forcing systemd-boot install

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N0VA
2026-02-05 15:17:48 +01:00
parent 3a226108ec
commit f7fc354f3f
3 changed files with 69 additions and 5 deletions
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25
iridium_installer/backend/os_install.py
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@@ -76,7 +76,7 @@ def run_command(cmd, check=True):
@contextmanager
def mount_pseudo_fs(mount_root):
"""
Context manager to bind mount /dev, /proc, and /sys into mount_root.
Context manager to bind mount /dev, /proc, /sys, and efivarfs into mount_root.
"""
logger.info(f"Mounting pseudo-filesystems to {mount_root}...")
mounts = ["dev", "proc", "sys"]
@@ -88,6 +88,18 @@ def mount_pseudo_fs(mount_root):
os.makedirs(target, exist_ok=True)
run_command(["mount", "--bind", f"/{fs}", target])
mounted_paths.append(target)
# Mount efivarfs if it exists on the host
efivars_path = "/sys/firmware/efi/efivars"
if os.path.exists(efivars_path):
target = os.path.join(mount_root, "sys/firmware/efi/efivars")
os.makedirs(target, exist_ok=True)
try:
run_command(["mount", "-t", "efivarfs", "efivarfs", target])
mounted_paths.append(target)
except Exception as e:
logger.warning(f"Failed to mount efivarfs: {e}")
yield
finally:
logger.info(f"Unmounting pseudo-filesystems from {mount_root}...")
@@ -111,6 +123,7 @@ def install_minimal_os(mount_root, releasever="43"):
"coreutils",
"kernel",
"systemd",
"systemd-boot-unsigned",
"dnf",
"efibootmgr",
"passwd",
@@ -211,10 +224,13 @@ UUID={efi_uuid} /boot vfat defaults 0 2
os.makedirs(os.path.join(mount_root, "etc/kernel"), exist_ok=True)
with open(os.path.join(mount_root, "etc/kernel/cmdline"), "w") as f:
f.write(f"root=UUID={root_uuid} rw quiet\n")
# Set kernel layout to BLS for systemd-boot
with open(os.path.join(mount_root, "etc/kernel/layout"), "w") as f:
f.write("bls\n")
# Install systemd-boot to the ESP (mounted at /boot)
# Use --path=/boot to be explicit, though standard behavior usually finds it.
run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot"])
run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot", "--force"])
# Add kernel entries
modules_dir = os.path.join(mount_root, "lib/modules")
@@ -240,6 +256,9 @@ UUID={efi_uuid} /boot vfat defaults 0 2
cmd.append(initrd_arg)
run_command(cmd)
# Ensure all data is synced to disk
run_command(["sync"])
logger.info("System configuration complete.")
log_os_install("CONFIGURE", "complete", "systemd-boot and user configured successfully")