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Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1474429768-25027-9-git-send-email-famz@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
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When trying to run docker tests on a host without the docker
command, we get the following Python backtrace:
$ make docker-test-quick@centos6 V=1
.../qemu/tests/docker/docker.py build qemu:centos6 .../qemu/tests/docker/dockerfiles/centos6.docker
Traceback (most recent call last):
File ".../qemu/tests/docker/docker.py", line 339, in <module>
sys.exit(main())
File ".../qemu/tests/docker/docker.py", line 336, in main
return args.cmdobj.run(args, argv)
File ".../qemu/tests/docker/docker.py", line 231, in run
dkr = Docker()
File ".../qemu/tests/docker/docker.py", line 98, in __init__
self._command = _guess_docker_command()
File ".../qemu/tests/docker/docker.py", line 41, in _guess_docker_command
stdout=DEVNULL, stderr=DEVNULL) == 0:
File "/usr/lib64/python2.7/subprocess.py", line 523, in call
return Popen(*popenargs, **kwargs).wait()
File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__
errread, errwrite)
File "/usr/lib64/python2.7/subprocess.py", line 1343, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory
.../qemu/tests/docker/Makefile.include:47: recipe for target 'docker-image-centos6' failed
make: *** [docker-image-centos6] Error 1
Change _guess_docker_command() to handle OSError exceptions
raised by subprocess.call(), so we will keep looking for other
commands and print a better error message.
New output will be:
$ make docker-test-quick@centos6 V=1
.../qemu/tests/docker/docker.py build qemu:centos6 .../qemu/tests/docker/dockerfiles/centos6.docker
Traceback (most recent call last):
File ".../qemu/tests/docker/docker.py", line 343, in <module>
sys.exit(main())
File ".../qemu/tests/docker/docker.py", line 340, in main
return args.cmdobj.run(args, argv)
File ".../qemu/tests/docker/docker.py", line 235, in run
dkr = Docker()
File ".../qemu/tests/docker/docker.py", line 102, in __init__
self._command = _guess_docker_command()
File ".../qemu/tests/docker/docker.py", line 49, in _guess_docker_command
commands_txt)
Exception: Cannot find working docker command. Tried:
docker
sudo -n docker
.../qemu/tests/docker/Makefile.include:47: recipe for target 'docker-image-centos6' failed
make: *** [docker-image-centos6] Error 1
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1474369559-16903-1-git-send-email-ehabkost@redhat.com>
[exceptions.OSError -> OSError and drop the import. - Fam]
Signed-off-by: Fam Zheng <famz@redhat.com>
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If we silence docker when --quiet is given, we should also silence the
.pre script (i.e. debootstrap).
Only discards stdout, so some diagnostics (e.g. from git clone) are
still printed. Most of the verbose output is gone however and this way
we still have a chance to see error messages.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-Id: <1473192351-601-9-git-send-email-silbe@linux.vnet.ibm.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
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Unlike Popen.communicate(), subprocess.call() doesn't read from the
stdout file descriptor. If the child process produces more output than
fits into the pipe buffer, it will block indefinitely.
If we don't intend to consume the output, just send it straight to
/dev/null to avoid this issue.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Message-Id: <1473192351-601-2-git-send-email-silbe@linux.vnet.ibm.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
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This is a wrapper for the 'docker images' command.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1468934445-32183-9-git-send-email-famz@redhat.com
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This adds a new operation to the docker script to allow updating of
binaries in an existing container. This is because it would be
inefficient to re-build the whole container just for an update to the
QEMU binary.
To update the executable run:
./tests/docker/docker.py update \
debian:armhf ./arm-linux-user/qemu-arm
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1468934445-32183-6-git-send-email-famz@redhat.com
Signed-off-by: Fam Zheng <famz@redhat.com>
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The docker script will now search for an associated $dockerfile.pre
script which gets run in the same build context as the dockerfile will
be. This is to support pre-seeding the build context before running the
docker build.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1468934445-32183-4-git-send-email-famz@redhat.com
Signed-off-by: Fam Zheng <famz@redhat.com>
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When passed the path to a binary we copy it and any linked libraries (if
it is dynamically linked) into the docker build context. These can then
be included by a dockerfile with the line:
# Copy all of context into container
ADD . /
This is mainly intended for setting up foreign architecture docker
images which use qemu-$arch to do cross-architecture linux-user
execution. It also relies on the host and guest file-system following
reasonable multi-arch layouts so the copied libraries don't clash with
the guest ones.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1468934445-32183-3-git-send-email-famz@redhat.com
Signed-off-by: Fam Zheng <famz@redhat.com>
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Instead of letting the build_image create the temporary working dir we
move the creation to the build command. This is preparation for the
later patches where additional files can be added to the build context
before the build step is run.
We also ensure we remove the build context after we are done (mkdtemp
doesn't do this automatically for you).
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1468934445-32183-2-git-send-email-famz@redhat.com
Signed-off-by: Fam Zheng <famz@redhat.com>
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docker.py is added with a number of useful subcommands to manager docker
images and instances for QEMU docker testing. Subcommands are:
run: A wrapper of "docker run" (or "sudo -n docker run" if necessary),
which takes care of killing and removing the running container at
SIGINT.
clean: Tear down all the containers including inactive ones that are
started by docker_run.
build: Compare an image from given dockerfile and rebuild it if they're
different.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1464755128-32490-2-git-send-email-famz@redhat.com
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