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-rwxr-xr-xtests/docker/docker.py76
1 files changed, 41 insertions, 35 deletions
diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index ac5baab4ca..29613afd48 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # Docker controlling module
 #
@@ -11,7 +11,6 @@
 # or (at your option) any later version. See the COPYING file in
 # the top-level directory.
 
-from __future__ import print_function
 import os
 import sys
 import subprocess
@@ -25,10 +24,7 @@ import tempfile
 import re
 import signal
 from tarfile import TarFile, TarInfo
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
+from io import StringIO
 from shutil import copy, rmtree
 from pwd import getpwuid
 from datetime import datetime, timedelta
@@ -62,11 +58,13 @@ USE_ENGINE = EngineEnum.AUTO
 
 def _text_checksum(text):
     """Calculate a digest string unique to the text content"""
-    return hashlib.sha1(text).hexdigest()
+    return hashlib.sha1(text.encode('utf-8')).hexdigest()
 
+def _read_dockerfile(path):
+    return open(path, 'rt', encoding='utf-8').read()
 
 def _file_checksum(filename):
-    return _text_checksum(open(filename, 'rb').read())
+    return _text_checksum(_read_dockerfile(filename))
 
 
 def _guess_engine_command():
@@ -113,7 +111,7 @@ def _get_so_libs(executable):
     libs = []
     ldd_re = re.compile(r"(/.*/)(\S*)")
     try:
-        ldd_output = subprocess.check_output(["ldd", executable])
+        ldd_output = subprocess.check_output(["ldd", executable]).decode('utf-8')
         for line in ldd_output.split("\n"):
             search = ldd_re.search(line)
             if search and len(search.groups()) == 2:
@@ -192,7 +190,7 @@ def _read_qemu_dockerfile(img_name):
 
     df = os.path.join(os.path.dirname(__file__), "dockerfiles",
                       img_name + ".docker")
-    return open(df, "r").read()
+    return _read_dockerfile(df)
 
 
 def _dockerfile_preprocess(df):
@@ -260,9 +258,16 @@ class Docker(object):
         return self._do_kill_instances(True)
 
     def _output(self, cmd, **kwargs):
-        return subprocess.check_output(self._command + cmd,
-                                       stderr=subprocess.STDOUT,
-                                       **kwargs)
+        if sys.version_info[1] >= 6:
+            return subprocess.check_output(self._command + cmd,
+                                           stderr=subprocess.STDOUT,
+                                           encoding='utf-8',
+                                           **kwargs)
+        else:
+            return subprocess.check_output(self._command + cmd,
+                                           stderr=subprocess.STDOUT,
+                                           **kwargs).decode('utf-8')
+
 
     def inspect_tag(self, tag):
         try:
@@ -283,7 +288,9 @@ class Docker(object):
         if argv is None:
             argv = []
 
-        tmp_df = tempfile.NamedTemporaryFile(dir=docker_dir, suffix=".docker")
+        tmp_df = tempfile.NamedTemporaryFile(mode="w+t",
+                                             encoding='utf-8',
+                                             dir=docker_dir, suffix=".docker")
         tmp_df.write(dockerfile)
 
         if user:
@@ -317,10 +324,18 @@ class Docker(object):
             return False
         return checksum == _text_checksum(_dockerfile_preprocess(dockerfile))
 
-    def run(self, cmd, keep, quiet):
+    def run(self, cmd, keep, quiet, as_user=False):
         label = uuid.uuid1().hex
         if not keep:
             self._instances.append(label)
+
+        if as_user:
+            uid = os.getuid()
+            cmd = [ "-u", str(uid) ] + cmd
+            # podman requires a bit more fiddling
+            if self._command[0] == "podman":
+                argv.insert(0, '--userns=keep-id')
+
         ret = self._do_check(["run", "--label",
                              "com.qemu.instance.uuid=" + label] + cmd,
                              quiet=quiet)
@@ -363,15 +378,8 @@ class RunCommand(SubCommand):
                             help="Run container using the current user's uid")
 
     def run(self, args, argv):
-        if args.run_as_current_user:
-            uid = os.getuid()
-            argv = [ "-u", str(uid) ] + argv
-            docker = Docker()
-            if docker._command[0] == "podman":
-                argv = [ "--uidmap", "%d:0:1" % uid,
-                         "--uidmap", "0:1:%d" % uid,
-                         "--uidmap", "%d:%d:64536" % (uid + 1, uid + 1)] + argv
-        return Docker().run(argv, args.keep, quiet=args.quiet)
+        return Docker().run(argv, args.keep, quiet=args.quiet,
+                            as_user=args.run_as_current_user)
 
 
 class BuildCommand(SubCommand):
@@ -396,7 +404,7 @@ class BuildCommand(SubCommand):
                             help="Dockerfile name")
 
     def run(self, args, argv):
-        dockerfile = open(args.dockerfile, "rb").read()
+        dockerfile = _read_dockerfile(args.dockerfile)
         tag = args.tag
 
         dkr = Docker()
@@ -442,7 +450,7 @@ class BuildCommand(SubCommand):
                 cksum += [(filename, _file_checksum(filename))]
 
             argv += ["--build-arg=" + k.lower() + "=" + v
-                     for k, v in os.environ.iteritems()
+                     for k, v in os.environ.items()
                      if k.lower() in FILTERED_ENV_NAMES]
             dkr.build_image(tag, docker_dir, dockerfile,
                             quiet=args.quiet, user=args.user, argv=argv,
@@ -535,9 +543,9 @@ class ProbeCommand(SubCommand):
         try:
             docker = Docker()
             if docker._command[0] == "docker":
-                print("yes")
+                print("docker")
             elif docker._command[0] == "sudo":
-                print("sudo")
+                print("sudo docker")
             elif docker._command[0] == "podman":
                 print("podman")
         except Exception:
@@ -555,8 +563,6 @@ class CcCommand(SubCommand):
                             help="The docker image in which to run cc")
         parser.add_argument("--cc", default="cc",
                             help="The compiler executable to call")
-        parser.add_argument("--user",
-                            help="The user-id to run under")
         parser.add_argument("--source-path", "-s", nargs="*", dest="paths",
                             help="""Extra paths to (ro) mount into container for
                             reading sources""")
@@ -570,11 +576,10 @@ class CcCommand(SubCommand):
         if args.paths:
             for p in args.paths:
                 cmd += ["-v", "%s:%s:ro,z" % (p, p)]
-        if args.user:
-            cmd += ["-u", args.user]
         cmd += [args.image, args.cc]
         cmd += argv
-        return Docker().command("run", cmd, args.quiet)
+        return Docker().run(cmd, False, quiet=args.quiet,
+                            as_user=True)
 
 
 class CheckCommand(SubCommand):
@@ -611,7 +616,7 @@ class CheckCommand(SubCommand):
                 print("Need a dockerfile for tag:%s" % (tag))
                 return 1
 
-            dockerfile = open(args.dockerfile, "rb").read()
+            dockerfile = _read_dockerfile(args.dockerfile)
 
             if dkr.image_matches_dockerfile(tag, dockerfile):
                 if not args.quiet:
@@ -650,7 +655,8 @@ def main():
         cmd.args(subp)
         subp.set_defaults(cmdobj=cmd)
     args, argv = parser.parse_known_args()
-    USE_ENGINE = args.engine
+    if args.engine:
+        USE_ENGINE = args.engine
     return args.cmdobj.run(args, argv)