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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, print_function, unicode_literals
import os
import shutil
import stat
import tarfile
import tempfile
import unittest
from ..util import docker
from mozunit import MockedOpen
MODE_STANDARD = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
class TestDocker(unittest.TestCase):
def test_generate_context_hash(self):
tmpdir = tempfile.mkdtemp()
old_GECKO = docker.GECKO
docker.GECKO = tmpdir
try:
os.makedirs(os.path.join(tmpdir, 'docker', 'my-image'))
p = os.path.join(tmpdir, 'docker', 'my-image', 'Dockerfile')
with open(p, 'w') as f:
f.write("FROM node\nADD a-file\n")
os.chmod(p, MODE_STANDARD)
p = os.path.join(tmpdir, 'docker', 'my-image', 'a-file')
with open(p, 'w') as f:
f.write("data\n")
os.chmod(p, MODE_STANDARD)
self.assertEqual(
docker.generate_context_hash(docker.GECKO,
os.path.join(docker.GECKO, 'docker/my-image'),
'my-image'),
'e61e675ce05e8c11424437db3f1004079374c1a5fe6ad6800346cebe137b0797'
)
finally:
docker.GECKO = old_GECKO
shutil.rmtree(tmpdir)
def test_docker_image_explicit_registry(self):
files = {}
files["{}/myimage/REGISTRY".format(docker.DOCKER_ROOT)] = "cool-images"
files["{}/myimage/VERSION".format(docker.DOCKER_ROOT)] = "1.2.3"
with MockedOpen(files):
self.assertEqual(docker.docker_image('myimage'), "cool-images/myimage:1.2.3")
def test_docker_image_default_registry(self):
files = {}
files["{}/REGISTRY".format(docker.DOCKER_ROOT)] = "mozilla"
files["{}/myimage/VERSION".format(docker.DOCKER_ROOT)] = "1.2.3"
with MockedOpen(files):
self.assertEqual(docker.docker_image('myimage'), "mozilla/myimage:1.2.3")
def test_create_context_tar_basic(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test_image')
os.mkdir(d)
with open(os.path.join(d, 'Dockerfile'), 'a'):
pass
os.chmod(os.path.join(d, 'Dockerfile'), MODE_STANDARD)
with open(os.path.join(d, 'extra'), 'a'):
pass
os.chmod(os.path.join(d, 'extra'), MODE_STANDARD)
tp = os.path.join(tmp, 'tar')
h = docker.create_context_tar(tmp, d, tp, 'my_image')
self.assertEqual(h, '2a6d7f1627eba60daf85402418e041d728827d309143c6bc1c6bb3035bde6717')
# File prefix should be "my_image"
with tarfile.open(tp, 'r:gz') as tf:
self.assertEqual(tf.getnames(), [
'my_image/Dockerfile',
'my_image/extra',
])
finally:
shutil.rmtree(tmp)
def test_create_context_topsrcdir_files(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test-image')
os.mkdir(d)
with open(os.path.join(d, 'Dockerfile'), 'wb') as fh:
fh.write(b'# %include extra/file0\n')
os.chmod(os.path.join(d, 'Dockerfile'), MODE_STANDARD)
extra = os.path.join(tmp, 'extra')
os.mkdir(extra)
with open(os.path.join(extra, 'file0'), 'a'):
pass
os.chmod(os.path.join(extra, 'file0'), MODE_STANDARD)
tp = os.path.join(tmp, 'tar')
h = docker.create_context_tar(tmp, d, tp, 'test_image')
self.assertEqual(h, '20faeb7c134f21187b142b5fadba94ae58865dc929c6c293d8cbc0a087269338')
with tarfile.open(tp, 'r:gz') as tf:
self.assertEqual(tf.getnames(), [
'test_image/Dockerfile',
'test_image/topsrcdir/extra/file0',
])
finally:
shutil.rmtree(tmp)
def test_create_context_absolute_path(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test-image')
os.mkdir(d)
# Absolute paths in %include syntax are not allowed.
with open(os.path.join(d, 'Dockerfile'), 'wb') as fh:
fh.write(b'# %include /etc/shadow\n')
with self.assertRaisesRegexp(Exception, 'cannot be absolute'):
docker.create_context_tar(tmp, d, os.path.join(tmp, 'tar'), 'test')
finally:
shutil.rmtree(tmp)
def test_create_context_outside_topsrcdir(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test-image')
os.mkdir(d)
with open(os.path.join(d, 'Dockerfile'), 'wb') as fh:
fh.write(b'# %include foo/../../../etc/shadow\n')
with self.assertRaisesRegexp(Exception, 'path outside topsrcdir'):
docker.create_context_tar(tmp, d, os.path.join(tmp, 'tar'), 'test')
finally:
shutil.rmtree(tmp)
def test_create_context_missing_extra(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test-image')
os.mkdir(d)
with open(os.path.join(d, 'Dockerfile'), 'wb') as fh:
fh.write(b'# %include does/not/exist\n')
with self.assertRaisesRegexp(Exception, 'path does not exist'):
docker.create_context_tar(tmp, d, os.path.join(tmp, 'tar'), 'test')
finally:
shutil.rmtree(tmp)
def test_create_context_extra_directory(self):
tmp = tempfile.mkdtemp()
try:
d = os.path.join(tmp, 'test-image')
os.mkdir(d)
with open(os.path.join(d, 'Dockerfile'), 'wb') as fh:
fh.write(b'# %include extra\n')
fh.write(b'# %include file0\n')
os.chmod(os.path.join(d, 'Dockerfile'), MODE_STANDARD)
extra = os.path.join(tmp, 'extra')
os.mkdir(extra)
for i in range(3):
p = os.path.join(extra, 'file%d' % i)
with open(p, 'wb') as fh:
fh.write(b'file%d' % i)
os.chmod(p, MODE_STANDARD)
with open(os.path.join(tmp, 'file0'), 'a'):
pass
os.chmod(os.path.join(tmp, 'file0'), MODE_STANDARD)
tp = os.path.join(tmp, 'tar')
h = docker.create_context_tar(tmp, d, tp, 'my_image')
self.assertEqual(h, 'e5440513ab46ae4c1d056269e1c6715d5da7d4bd673719d360411e35e5b87205')
with tarfile.open(tp, 'r:gz') as tf:
self.assertEqual(tf.getnames(), [
'my_image/Dockerfile',
'my_image/topsrcdir/extra/file0',
'my_image/topsrcdir/extra/file1',
'my_image/topsrcdir/extra/file2',
'my_image/topsrcdir/file0',
])
finally:
shutil.rmtree(tmp)
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