diff options
Diffstat (limited to 'tests/docker/docker.py')
-rwxr-xr-x | tests/docker/docker.py | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/tests/docker/docker.py b/tests/docker/docker.py index 69e7130db7..d3006d4dae 100755 --- a/tests/docker/docker.py +++ b/tests/docker/docker.py @@ -112,6 +112,31 @@ def _copy_binary_with_libs(src, dest_dir): so_path = os.path.dirname(l) _copy_with_mkdir(l , dest_dir, so_path) + +def _check_binfmt_misc(executable): + """Check binfmt_misc has entry for executable in the right place. + + 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.""" + + 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 False + + with open(binfmt_entry) as x: entry = x.read() + + qpath = "/usr/bin/%s" % (binary) + if not re.search("interpreter %s\n" % (qpath), entry): + print ("binfmt_misc for %s does not point to %s" % (binary, qpath)) + return False + + return True + + def _read_qemu_dockerfile(img_name): # special case for Debian linux-user images if img_name.startswith("debian") and img_name.endswith("user"): @@ -315,6 +340,11 @@ class BuildCommand(SubCommand): # Create a docker context directory for the build docker_dir = tempfile.mkdtemp(prefix="docker_build") + # Validate binfmt_misc will work + if args.include_executable: + if not _check_binfmt_misc(args.include_executable): + return 1 + # Is there a .pre file to run in the build context? docker_pre = os.path.splitext(args.dockerfile)[0]+".pre" if os.path.exists(docker_pre): @@ -479,7 +509,12 @@ class CheckCommand(SubCommand): def run(self, args, argv): tag = args.tag - dkr = Docker() + try: + dkr = Docker() + except: + print("Docker not set up") + return 1 + info = dkr.inspect_tag(tag) if info is None: print("Image does not exist") |