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rCDQYyakH2tJNQgkXkeLodBKF4bHiBbuwj0E39S9wmGgg+q4OTnAO/yhQGknle7a7G5xHBwE i0HjnLoJP5jDcoMTabZTIazXmJz3pKM11HYJ5/ZsTIf3ZRJJKIvXJpbmcAPVwTZII6XxiJdh RSSX4Mvd5pL/+5WI6NTdW6DMfigTtdd85fe6PwBNVJL2ZvBfsBJZ5rxg1TOH3KLsYBqBTgW2 glQofxhkJhDEcvjLhe3Y2BlbCWKOmvM8XS9TRt0OwUs= Message-ID: Date: Wed, 4 Sep 2019 19:31:32 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190904203013.9028-4-alex.bennee@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 04 Sep 2019 23:31:44 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v1 03/42] tests/docker: fix "cc" command to work with podman X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, berrange@redhat.com, stefanb@linux.vnet.ibm.com, richard.henderson@linaro.org, f4bug@amsat.org, cota@braap.org, stefanha@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , aurelien@aurel32.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/4/19 4:29 PM, Alex Benn=C3=A9e wrote: > Podman requires a little bit of additional magic to the uid mapping > which was already done for the normal RunCommand. We simplify the > logic by pushing it directly into the Docker::run method to avoid > instantiating an extra Docker() object and ensure the CC command > always runs as the current user. >=20 > Signed-off-by: Alex Benn=C3=A9e > --- > tests/docker/docker.py | 30 +++++++++++++++--------------- > tests/tcg/Makefile.include | 2 +- > 2 files changed, 16 insertions(+), 16 deletions(-) >=20 > diff --git a/tests/docker/docker.py b/tests/docker/docker.py > index e23209f71ee..8f391eb278b 100755 > --- a/tests/docker/docker.py > +++ b/tests/docker/docker.py > @@ -318,10 +318,20 @@ class Docker(object): > return False > return checksum =3D=3D _text_checksum(_dockerfile_preprocess(d= ockerfile)) > =20 > - def run(self, cmd, keep, quiet): > + def run(self, cmd, keep, quiet, as_user=3DFalse): > label =3D uuid.uuid1().hex > if not keep: > self._instances.append(label) > + > + if as_user: > + uid =3D os.getuid() > + cmd =3D [ "-u", str(uid) ] + cmd > + # podman requires a bit more fiddling > + if self._command[0] =3D=3D "podman": > + cmd =3D [ "--uidmap", "%d:0:1" % uid, > + "--uidmap", "0:1:%d" % uid, > + "--uidmap", "%d:%d:64536" % (uid + 1, uid + 1)= ] + cmd > + I was having problems with constructs like these recently. I think we either need to use --userns=3Dkeep-id (vastly preferred) or adjust 64536 there to read as "65536 - uid" because not everyone will have a UID of 10= 00. (My UID is over 20,000 and for whatever reason, this causes podman to crash very badly when using this hackaround.) > ret =3D self._do_check(["run", "--label", > "com.qemu.instance.uuid=3D" + label] + cm= d, > quiet=3Dquiet) > @@ -364,15 +374,8 @@ class RunCommand(SubCommand): > help=3D"Run container using the current us= er's uid") > =20 > def run(self, args, argv): > - if args.run_as_current_user: > - uid =3D os.getuid() > - argv =3D [ "-u", str(uid) ] + argv > - docker =3D Docker() > - if docker._command[0] =3D=3D "podman": > - argv =3D [ "--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=3Dargs.quiet) > + return Docker().run(argv, args.keep, quiet=3Dargs.quiet, > + as_user=3Dargs.run_as_current_user) > =20 > =20 > class BuildCommand(SubCommand): > @@ -556,8 +559,6 @@ class CcCommand(SubCommand): > help=3D"The docker image in which to run c= c") > parser.add_argument("--cc", default=3D"cc", > help=3D"The compiler executable to call") > - parser.add_argument("--user", > - help=3D"The user-id to run under") > parser.add_argument("--source-path", "-s", nargs=3D"*", dest=3D= "paths", > help=3D"""Extra paths to (ro) mount into c= ontainer for > reading sources""") > @@ -571,11 +572,10 @@ class CcCommand(SubCommand): > if args.paths: > for p in args.paths: > cmd +=3D ["-v", "%s:%s:ro,z" % (p, p)] > - if args.user: > - cmd +=3D ["-u", args.user] > cmd +=3D [args.image, args.cc] > cmd +=3D argv > - return Docker().command("run", cmd, args.quiet) > + return Docker().run(cmd, False, quiet=3Dargs.quiet, > + as_user=3DTrue) > =20 > =20 > class CheckCommand(SubCommand): > diff --git a/tests/tcg/Makefile.include b/tests/tcg/Makefile.include > index 73b5626fc5f..210f8428237 100644 > --- a/tests/tcg/Makefile.include > +++ b/tests/tcg/Makefile.include > @@ -41,7 +41,7 @@ ifneq ($(DOCKER_IMAGE),) > # We also need the Docker make rules to depend on > include $(SRC_PATH)/tests/docker/Makefile.include > =20 > -DOCKER_COMPILE_CMD=3D"$(DOCKER_SCRIPT) cc --user $(shell id -u) \ > +DOCKER_COMPILE_CMD=3D"$(DOCKER_SCRIPT) cc \ > --cc $(DOCKER_CROSS_COMPILER) \ > -i qemu:$(DOCKER_IMAGE) \ > -s $(SRC_PATH) -- " >=20 --=20 =E2=80=94js