diff options
| -rwxr-xr-x | tests/docker/docker.py | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/tests/docker/docker.py b/tests/docker/docker.py index 768728785f..a74338cb61 100755 --- a/tests/docker/docker.py +++ b/tests/docker/docker.py @@ -96,13 +96,22 @@ def _get_so_libs(executable): return libs -def _copy_binary_with_libs(src, dest_dir): - """Copy a binary executable and all its dependent libraries. +def _copy_binary_with_libs(src, bin_dest, dest_dir): + """Maybe copy a binary and all its dependent libraries. + + If bin_dest isn't set we only copy the support libraries because + we don't need qemu in the docker path to run (due to persistent + mapping). Indeed users may get confused if we aren't running what + is in the image. This does rely on the host file-system being fairly multi-arch - aware so the file don't clash with the guests layout.""" + aware so the file don't clash with the guests layout. + """ - _copy_with_mkdir(src, dest_dir, "/usr/bin") + if bin_dest: + _copy_with_mkdir(src, dest_dir, os.path.dirname(bin_dest)) + else: + print("only copying support libraries for %s" % (src)) libs = _get_so_libs(src) if libs: @@ -116,21 +125,26 @@ def _check_binfmt_misc(executable): The details of setting up binfmt_misc are outside the scope of this script but we should at least fail early with a useful - message if it won't work.""" + message if it won't work. + + Returns the configured binfmt path and a valid flag. For + persistent configurations we will still want to copy and dependent + libraries. + """ binary = os.path.basename(executable) binfmt_entry = "/proc/sys/fs/binfmt_misc/%s" % (binary) if not os.path.exists(binfmt_entry): print ("No binfmt_misc entry for %s" % (binary)) - return None + return None, False with open(binfmt_entry) as x: entry = x.read() if re.search("flags:.*F.*\n", entry): print("binfmt_misc for %s uses persistent(F) mapping to host binary\n" % (binary)) - return None + return None, True m = re.search("interpreter (\S+)\n", entry) interp = m.group(1) @@ -138,7 +152,8 @@ def _check_binfmt_misc(executable): print("binfmt_misc for %s does not point to %s, using %s" % (binary, executable, interp)) - return interp + return interp, True + def _read_qemu_dockerfile(img_name): # special case for Debian linux-user images @@ -345,7 +360,8 @@ class BuildCommand(SubCommand): # Validate binfmt_misc will work if args.include_executable: - if not _check_binfmt_misc(args.include_executable): + qpath, enabled = _check_binfmt_misc(args.include_executable) + if not enabled: return 1 # Is there a .pre file to run in the build context? @@ -368,7 +384,9 @@ class BuildCommand(SubCommand): # FIXME: there is no checksum of this executable and the linked # libraries, once the image built any change of this executable # or any library won't trigger another build. - _copy_binary_with_libs(args.include_executable, docker_dir) + _copy_binary_with_libs(args.include_executable, + qpath, docker_dir) + for filename in args.extra_files or []: _copy_with_mkdir(filename, docker_dir) cksum += [(filename, _file_checksum(filename))] @@ -400,14 +418,16 @@ class UpdateCommand(SubCommand): tmp_tar = TarFile(fileobj=tmp, mode='w') # Add the executable to the tarball, using the current - # configured binfmt_misc path. - ff = _check_binfmt_misc(args.executable) - if not ff: - bn = os.path.basename(args.executable) - ff = "/usr/bin/%s" % bn - print ("No binfmt_misc configured: copied to %s" % (ff)) - - tmp_tar.add(args.executable, arcname=ff) + # configured binfmt_misc path. If we don't get a path then we + # only need the support libraries copied + ff, enabled = _check_binfmt_misc(args.executable) + + if not enabled: + print("binfmt_misc not enabled, update disabled") + return 1 + + if ff: + tmp_tar.add(args.executable, arcname=ff) # Add any associated libraries libs = _get_so_libs(args.executable) |