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binfmt: improve logging

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InsanePrawn 2023-05-01 05:28:34 +02:00 • committed by Prawn
parent 933b7c42ef
commit fd4495dd58
1 changed files with 7 additions and 0 deletions
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7
binfmt/binfmt.py
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@ -97,6 +97,10 @@ def binfmt_register(arch: Arch, chroot: Optional[Chroot] = None):
info = lines[qemu_arch] info = lines[qemu_arch]
code = info['line'] code = info['line']
if arch == os.uname().machine:
logging.fatal("Attempted to register qemu binfmt for host architecture, skipping!")
return
# Register in binfmt_misc # Register in binfmt_misc
logging.info(f"Registering qemu binfmt ({arch})") logging.info(f"Registering qemu binfmt ({arch})")
_runcmd(f'echo "{code}" > "{register_path}" 2>/dev/null') # use path without chroot path prefix _runcmd(f'echo "{code}" > "{register_path}" 2>/dev/null') # use path without chroot path prefix
@ -113,6 +117,9 @@ def binfmt_unregister(arch, chroot: Optional[Chroot] = None):
if chroot: if chroot:
binfmt_file = chroot.get_path(binfmt_file) binfmt_file = chroot.get_path(binfmt_file)
if not os.path.exists(binfmt_file): if not os.path.exists(binfmt_file):
logging.debug(f"qemu binfmt for {arch} not registered")
return return
logging.info(f"Unregistering qemu binfmt ({arch})") logging.info(f"Unregistering qemu binfmt ({arch})")
run_root_cmd(f"echo -1 > {binfmt_file}") run_root_cmd(f"echo -1 > {binfmt_file}")
if binfmt_is_registered(arch, chroot=chroot):
raise Exception(f'Failed to UNregister qemu-user for {arch} with binfmt_misc, {chroot=}')