def test_encode_to_ostree_ref(self):
"""
Verify that 1: image after encoded to ostree ref will be no longer hex
2: image contains no tag will have tag latest appended
3: qualified image(image with registry included) and non-qualified image will behave in the same way
when calling _encode_to_ostree_ref
"""
def ensure_ref_is_not_hex(ref):
ref_is_hex = SystemContainers._is_hex(ref)
self.assertFalse(ref_is_hex)
qual_img_without_tag = "registry.fedoraproject.org/f27/kubernetes-apiserver"
qual_img_with_tag = qual_img_without_tag + ":tag"
non_qual_img_without_tag = "cafe"
non_qual_img_with_tag = non_qual_img_without_tag + ":tag"
qual_img_without_tag_ref = SystemContainers._encode_to_ostree_ref(
qual_img_without_tag)
self.assertTrue(qual_img_without_tag_ref.endswith("latest"))
ensure_ref_is_not_hex(qual_img_without_tag_ref)
# The encoded ref will have ":" translated to _3A (unicode)
qual_img_with_tag_ref = SystemContainers._encode_to_ostree_ref(
qual_img_with_tag)
self.assertTrue(qual_img_with_tag_ref.endswith("_3Atag"))
ensure_ref_is_not_hex(qual_img_with_tag_ref)
non_qual_img_without_tag_ref = SystemContainers._encode_to_ostree_ref(
non_qual_img_without_tag)
ensure_ref_is_not_hex(non_qual_img_without_tag_ref)
non_qual_img_with_tag_ref = SystemContainers._encode_to_ostree_ref(
non_qual_img_with_tag)
self.assertTrue(non_qual_img_with_tag_ref.endswith("_3Atag"))
ensure_ref_is_not_hex(non_qual_img_with_tag_ref)
def test_get_remote_location(self):
"""
This function checks for 4 different cases of _get_remote_location function
1: when the remote is given as /xx and /xx/rootfs exist
2: when the remote is given as /xx/rootfs and /xx/rootfs/usr exist
3: when the remote input does not contain a rootfs
4: when the remote input path does not exist
"""
try:
tmpdir = tempfile.mkdtemp()
rootfs_location = os.path.sep.join([tmpdir, "rootfs"])
not_valid_location = os.path.sep.join([tmpdir, "not-valid-test"])
non_existant_location = os.path.sep.join([tmpdir, "non-existant-path"])
os.makedirs(os.path.sep.join([rootfs_location, "usr"]))
os.mkdir(not_valid_location)
# Here: we check for 4 different cases _get_remote_location verifies
self.assertRaises(ValueError, SystemContainers._get_remote_location, non_existant_location)
remote_path_one = SystemContainers._get_remote_location(tmpdir)
# we default to real path here because on AH, / sometimes actually refer to /sysroot
self.assertEqual(remote_path_one, os.path.realpath(tmpdir))
remote_path_two = SystemContainers._get_remote_location(rootfs_location)
self.assertEqual(remote_path_two, os.path.realpath(tmpdir))
self.assertRaises(ValueError, SystemContainers._get_remote_location, not_valid_location)
finally:
# We then remove the directories to keep the user's fs clean
shutil.rmtree(tmpdir)
def test_update_rename_file_value(self):
"""
This function checks 2 different cases for function '_update_rename_file_value'
1: checks if the values will be successfully swapped given correct value combinations
2: checks when one of the values in "rename_files" is not replaced, error will come out
"""
# Prepare for the values
sc = SystemContainers()
manifest = {
"renameFiles": {
"testKey": "$testVal",
"testKeySec": "$testTwo"
}
}
values = {"testVal": "testSubOne", "testTwo": "testSubTwo"}
secondValues = {"testVal": "secondTestSubOne"}
# Test for the cases mentioned above
sc._update_rename_file_value(manifest, values)
self.assertEqual(manifest["renameFiles"]["testKey"], "testSubOne")
self.assertEqual(manifest["renameFiles"]["testKeySec"], "testSubTwo")
# Reset the value for next test case
manifest["renameFiles"]["testKey"] = "$testMisMatch"
self.assertRaises(ValueError, sc._update_rename_file_value, manifest,
secondValues)
def test_container_exec_in_usermode(self):
"""
A ValueError should be raised as usermode is not supported.
"""
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', False, {})
def test_container_exec_in_usermode(self):
"""
A ValueError should be raised as usermode is not supported.
"""
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', False, {})
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
def test_container_exec_not_running_no_checkout(self, _gb, _um, _sa):
"""
A ValueError should be raised when the container is not running and there is no checkout.
"""
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
_gb.return_value = None # The checkout is None
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', False, {})
def test_container_exec_not_running_with_detach(self, _cl, _um, _sa):
"""
A ValueError should be raised when the container is not running and detach is requested.
"""
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
_cl.return_value = "/var/lib/containers/atomic/test.0" # Fake a checkout
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', True, {}) # Run with detach as True
def test_container_exec_not_running_no_checkout(self, _gb, _um, _sa):
"""
A ValueError should be raised when the container is not running and there is no checkout.
"""
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
_gb.return_value = None # The checkout is None
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', False, {})
def test_container_exec_not_running_with_detach(self, _cl, _um, _sa):
"""
A ValueError should be raised when the container is not running and detach is requested.
"""
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
_cl.return_value = "/var/lib/containers/atomic/test.0" # Fake a checkout
args = self.Args(backend='ostree')
sc = SystemContainers()
sc.set_args(args)
self.assertRaises(ValueError, sc.container_exec, 'test', True, {}) # Run with detach as True
def test_handle_system_package_files(self, _isi, _raf, _gr):
"""
This function checks 3 simple cases to verify the basic functionality of handle_system_package_files
1: When 'system_package = absent'
2: When system_package is 'yes'
3: When system_package='no'
For 3 above cases, we verify if the expected outcome matches the actual outcome
Do note, this is just testing the workflow on a higher level of the subsequent function calls. IOW, the lower level function
call 'generate_rpm' or 'rm_add_files_to_host' will not be tested here (it is covered as a whole in integration test)
"""
expected_checksum = {"test": "test_checksum_xxx"}
_gr.return_value = (True, "rpm_file", None)
_raf.return_value = expected_checksum
_isi.return_value = {"ImageId": {}}
manifest = {}
# Note, even though we replace the return value, we still need to make sure
# entries such as img or destination do exist in options to avoid key error
options = {
"system_package": "yes",
"img": None,
"destination": "",
"values": {},
"deployment": 1,
"name": "test"
}
test_options_two = {
"system_package": "no",
"installed_files_checksum": "",
"prefix": "",
"values": ""
}
test_options_third = {"system_package": "absent"}
sc = SystemContainers()
rpm_install_output_one = sc._handle_system_package_files(
test_options_third, manifest, "")
self.assertEqual(
rpm_install_output_one["new_installed_files_checksum"], {})
rpm_install_output_second = sc._handle_system_package_files(
options, manifest, "")
self.assertEqual(rpm_install_output_second["rpm_installed"], True)
rpm_install_output_third = sc._handle_system_package_files(
test_options_two, manifest, "")
self.assertEqual(
rpm_install_output_third["new_installed_files_checksum"],
expected_checksum)
def test_get_manifest_attribtues(self):
"""
This function checks 2 simple cases to verify the functionality of '_get_manifest_attribtues'
1: When the attribute is not in the manifest, a default val should be returned
2: When the key is there and manifest itself exist, its corresponding value should be returned
"""
manifest = {"rename_files": "test_val"}
# Test for the two cases mentioned above
test_val_one = SystemContainers._get_manifest_attributes(
manifest, "rename_files", None)
self.assertEqual(test_val_one, "test_val")
test_val_two = SystemContainers._get_manifest_attributes(
manifest, "non_existant", "test_two")
self.assertEqual(test_val_two, "test_two")
class TestSystemContainers_get_skopeo_args(unittest.TestCase):
"""
Unit tests for the SystemContainres._get_skopeo_args method.
"""
def setUp(self):
self.sc = SystemContainers()
def test_get_skopeo_args(self):
"""
Verify _get_skopeo_args return proper data when passing in different image uris.
"""
for test_image, expected_insecure, expected_image in (
# Explicitly insecure
('http:docker.io/busybox:latest', True, 'docker.io/busybox:latest'
),
# Implicitly secure
('docker.io/busybox:latest', False, 'docker.io/busybox:latest'),
('https:docker.io/busybox:latest', False,
'docker.io/busybox:latest'),
('oci:docker.io/busybox:latest', False,
'docker.io/busybox:latest')):
# Make the call
insecure, image = self.sc._get_skopeo_args(test_image)
# Verify the results
self.assertEqual(expected_insecure, insecure)
self.assertEqual(expected_image, image)
def test_container_exec_with_container_running(self, _um, _cc, _sa):
"""
Expect the container exec command to be used when container is running.
"""
cmd_call = [util.RUNC_PATH, 'exec', 'test']
if os.isatty(0): # If we are a tty then we need to pop --tty in there
cmd_call.insert(2, '--tty')
expected_call = call(cmd_call, stderr=ANY, stdin=ANY, stdout=ANY)
_sa.return_value = True # The service is active
_um.return_value = False # user mode is False
args = self.Args(backend='ostree', user=False)
sc = SystemContainers()
sc.set_args(args)
sc.container_exec('test', False, {})
self.assertEqual(_cc.call_args, expected_call)
def test_prepare_rootfs_dirs(self):
"""
This function checks for 3 different cases for function '_prepare_rootfs_dirs'
1: extract specified with either destination/remote_path
2: remote_path and destination specified
3: only destination specified
"""
try:
# Prepare the temp location for verifying
tmpdir = tempfile.mkdtemp()
extract_location = os.path.sep.join([tmpdir, "extract"])
remote_location = os.path.sep.join([tmpdir, "remote"])
remote_destination_case = os.path.sep.join([tmpdir, "dest_one"])
destination_location = os.path.sep.join([tmpdir, "dest_two"])
sc = SystemContainers()
# Create expected rootfs for future comparison
expected_remote_rootfs = os.path.join(remote_location, "rootfs")
expected_dest_rootfs = os.path.join(destination_location, "rootfs")
# Here, we begin testing 3 different cases mentioned above
extract_rootfs = sc._prepare_rootfs_dirs(None,
extract_location,
extract_only=True)
self.assertTrue(os.path.exists(extract_rootfs), True)
self.assertEqual(extract_rootfs, extract_location)
remote_rootfs = sc._prepare_rootfs_dirs(remote_location,
remote_destination_case)
self.assertEqual(remote_rootfs, expected_remote_rootfs)
self.assertTrue(os.path.exists(remote_destination_case), True)
# Note: since the location passed in is not in /var/xx format, canonicalize location
# should not have an effect, thus we don't worry about it here
destination_rootfs = sc._prepare_rootfs_dirs(
None, destination_location)
self.assertEqual(destination_rootfs, expected_dest_rootfs)
self.assertTrue(os.path.exists(expected_dest_rootfs), True)
finally:
shutil.rmtree(tmpdir)
def test_write_info_file(self):
"""
This function checks 2 simple cases to verify functionality of '_write_info_file'
1: When error occurs, the files specified in 'new_install_files' are removed
2: Otherwise, the info file is written to the correct location
"""
try:
# Prepare directories and values
tmpdir = tempfile.mkdtemp()
installed_file = tempfile.mkstemp(prefix=tmpdir)
installed_file_path = installed_file[1]
destination_dir = os.path.sep.join([tmpdir, "dest_dir"])
destination_info_path = os.path.join(destination_dir, "info")
options = {
"destination": destination_dir,
"prefix": None,
"img": "test",
"remote": None,
"system_package": "no",
"values": {}
}
rpm_install_content = {
"new_installed_files": [installed_file_path],
"rpm_installed": False,
"new_installed_files_checksum": {}
}
# Since the destination is not created yet, we test here would result an IOError,
# leading to the installed_file to be removed
sc = SystemContainers()
self.assertRaises(IOError, sc._write_info_file, options, None,
rpm_install_content, None, None)
self.assertFalse(os.path.exists(installed_file_path))
os.mkdir(destination_dir)
sc._write_info_file(options, None, rpm_install_content, None, None)
self.assertTrue(os.path.exists(destination_info_path))
finally:
shutil.rmtree(tmpdir)
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
def test_container_exec_without_container_running(self, _ce, _um, _cc, _sa):
"""
Expect the container to be started if it's not already running.
"""
expected_args = [util.RUNC_PATH, 'run', 'test']
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
tmpd = tempfile.mkdtemp()
try:
_ce.return_value = tmpd # Use a temporary directory for testing
args = self.Args(backend='ostree', user=False)
sc = SystemContainers()
sc.set_args(args)
shutil.copy('./tests/test-images/system-container-files-hostfs/config.json.template', os.path.join(tmpd, 'config.json'))
sc.container_exec('test', False, {})
self.assertEqual(_cc.call_args[0][0], expected_args)
finally:
shutil.rmtree(tmpd)
def test_pull_as_privileged_user(self):
if os.getenv("SKOPEO_NO_OSTREE"):
return
args = self.Args()
testobj = SystemContainers()
testobj.set_args(args)
testobj.pull_image()
def test_container_exec_with_container_running(self, _um, _cc, _sa):
"""
Expect the container exec command to be used when container is running.
"""
cmd_call = [util.RUNC_PATH, 'exec', 'test']
if os.isatty(0): # If we are a tty then we need to pop --tty in there
cmd_call.insert(2, '--tty')
expected_call = call(cmd_call, stderr=ANY, stdin=ANY, stdout=ANY)
_sa.return_value = True # The service is active
_um.return_value = False # user mode is False
args = self.Args(backend='ostree', user=False)
sc = SystemContainers()
sc.set_args(args)
sc.container_exec('test', False, {})
self.assertEqual(_cc.call_args, expected_call)
class TestSystemContainers_get_skopeo_args(unittest.TestCase):
"""
Unit tests for the SystemContainres._get_skopeo_args method.
"""
def setUp(self):
self.sc = SystemContainers()
def test_get_skopeo_args(self):
"""
Verify _get_skopeo_args return proper data when passing in different image uris.
"""
for test_image, expected_insecure, expected_image in (
# Explicitly insecure
('http:docker.io/busybox:latest', True, 'docker.io/busybox:latest'),
# Implicitly secure
('docker.io/busybox:latest', False, 'docker.io/busybox:latest'),
('https:docker.io/busybox:latest', False, 'docker.io/busybox:latest'),
('oci:docker.io/busybox:latest', False, 'docker.io/busybox:latest')):
# Make the call
insecure, image = self.sc._get_skopeo_args(test_image)
# Verify the results
self.assertEqual(expected_insecure, insecure)
self.assertEqual(expected_image, image)
def test_container_exec_without_container_running(self, _ce, _um, _cc, _sa):
"""
Expect the container to be started if it's not already running.
"""
expected_args = [util.RUNC_PATH, 'run', 'test']
_sa.return_value = False # The service is not active
_um.return_value = False # user mode is False
tmpd = tempfile.mkdtemp()
try:
_ce.return_value = tmpd # Use a temporary directory for testing
args = self.Args(backend='ostree', user=False)
sc = SystemContainers()
sc.set_args(args)
shutil.copy('./tests/test-images/system-container-files-hostfs/config.json.template', os.path.join(tmpd, 'config.json'))
sc.container_exec('test', False, {})
self.assertEqual(_cc.call_args[0][0], expected_args)
finally:
shutil.rmtree(tmpd)
def setUp(self):
self.sc = SystemContainers()
def setUp(self):
self.sc = SystemContainers()
def test_write_config_to_dest(self):
"""
This function checks 3 different cases for function 'write_config_to_dest'
1: checks when exports/config.json exist, the files are copied correctly
2: checks exports/config.json.template exist, the template is copied, and values inside the template are swapped by values
3: checks the configuration was correct when the above 2 cases do not apply
"""
def check_attr_in_json_file(json_file,
attr_name,
value,
second_attr=None):
# We don't check existance here, because in this context, files do exist
with open(json_file, "r") as f:
json_val = json.loads(f.read())
actual_val = json_val[attr_name][
second_attr] if second_attr else json_val[attr_name]
self.assertEqual(actual_val, value)
try:
# Prepare the temp directory for verification
tmpdir = tempfile.mkdtemp()
dest_location = os.path.sep.join([tmpdir, "dest"])
dest_location_config = os.path.join(dest_location, "config.json")
# Note: in this context, the location of exports should not matter, as we are only copying files from exports
# in this function
exports_location = os.path.join(tmpdir, "rootfs/exports")
exports_json = os.path.join(exports_location, "config.json")
os.makedirs(exports_location)
os.mkdir(dest_location)
values = {"test_one": "$hello_test"}
with open(exports_json, 'w') as json_file:
json_file.write(json.dumps(values, indent=4))
json_file.write("\n")
new_values = {"hello_test": "new_val"}
sc = SystemContainers()
sc._write_config_to_dest(dest_location, exports_location)
self.assertTrue(os.path.exists(dest_location_config), True)
check_attr_in_json_file(dest_location_config, "test_one",
"$hello_test")
# We remove the file to keep the destination clean for next operation
os.remove(dest_location_config)
# Rename exports/config.json to exports/config.json.template
os.rename(exports_json, exports_json + ".template")
sc._write_config_to_dest(dest_location, exports_location,
new_values)
self.assertTrue(os.path.exists(dest_location_config), True)
check_attr_in_json_file(dest_location_config, "test_one",
"new_val")
os.remove(dest_location_config)
# Note: in this case, the configuration is generated and changed via 'generate_default_oci_configuration' which uses runc.
# Thus, we assume when user tries to run the unit test with this function, he will have runc installed
sc._write_config_to_dest(dest_location,
os.path.join(tmpdir, "not_exist"))
self.assertTrue(os.path.exists(dest_location_config), True)
check_attr_in_json_file(dest_location_config,
"root",
"rootfs",
second_attr="path")
finally:
shutil.rmtree(tmpdir)
def test_pull_as_nonprivileged_user(self):
args = self.Args()
args.user = True
testobj = SystemContainers()
testobj.set_args(args)
testobj.pull_image()
class OSTreeBackend(Backend):
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
@property
def backend(self):
return "ostree"
def available(self):
return self.syscontainers.available
def _make_container(self, info):
container_id = info['Id']
runtime = self.syscontainers.get_container_runtime_info(container_id)
container = Container(container_id, backend=self)
container.name = container_id
container.command = info['Command']
container.id = container_id
container.runtime = info['Runtime']
container.image_name = info['Image']
container.image = info['ImageID']
container.created = info['Created']
container.status = container.state = runtime['status']
container.input_name = container_id
container.original_structure = info
container.deep = True
container.running = False if container.status == 'inactive' else True
return container
def _make_image(self, image, info, remote=False):
img_obj = Image(image, backend=self, remote=remote)
if remote:
return img_obj
name = info['Id']
img_obj.input_name = image
img_obj.name = image
img_obj.config = info
img_obj.backend = self
img_obj.id = name
img_obj.registry, img_obj.repo, img_obj.image, img_obj.tag, _ = Decompose(image).all
img_obj.repotags = info['RepoTags']
img_obj.created = info['Created']
img_obj.size = info.get('VirtualSize', None)
img_obj.virtual_size = info.get('VirtualSize', None)
img_obj.original_structure = info
img_obj.deep = True
img_obj.labels = info.get('Labels', None)
img_obj.version = img_obj.get_label("Version")
img_obj.release = img_obj.get_label("Release")
ostree_manifest = self.syscontainers.get_manifest(image)
if ostree_manifest:
ostree_manifest = json_loads(ostree_manifest)
img_obj.digest = None if ostree_manifest is None else ostree_manifest.get('Digest') or ostree_manifest.get('digest')
img_obj.os = img_obj.get_label("Os")
img_obj.arch = img_obj.get_label("Arch")
img_obj.graph_driver = None
return img_obj
def has_image(self, img):
if self.syscontainers.has_image(img):
return self.inspect_image(img)
return None
def has_container(self, container):
if self.syscontainers.get_checkout(container):
return self.inspect_container(container)
return None
def inspect_image(self, image):
try:
return self._make_image(image, self.syscontainers.inspect_system_image(image))
except ValueError:
return None
def inspect_container(self, container):
containers = self.syscontainers.get_containers(containers=[container])
if len(containers) == 0:
return None
return self._make_container(containers[0])
def start_container(self, name):
return self.syscontainers.start_service(name)
def stop_container(self, con_obj, **kwargs):
return self.syscontainers.stop_service(con_obj.id)
def get_images(self, get_all=False):
return [self._make_image(x['Id'], x) for x in self.syscontainers.get_system_images(get_all=get_all)]
def get_containers(self):
return [self._make_container(x) for x in self.syscontainers.get_containers()]
def pull_image(self, image, remote_image_obj=None, **kwargs):
return self.syscontainers.pull_image(image, **kwargs)
def delete_image(self, image, force=False):
return self.syscontainers.delete_image(image)
def version(self, image):
return self.get_layers(image)
def update(self, name, **kwargs):
force = kwargs.get('force', False)
if force:
raise ValueError("--force is not supported by ostree images")
return self.syscontainers.pull_image(name)
def install(self, image, name, **kwargs):
return self.syscontainers.install(image, name)
def uninstall(self, iobject, name=None, **kwargs):
return self.syscontainers.uninstall(iobject.name)
def prune(self):
return self.syscontainers.prune_ostree_images()
def validate_layer(self, layer):
return self.syscontainers.validate_layer(layer)
def _get_layer(self, image):
return Layer(self.inspect_image(image))
def get_layers(self, image):
layers = []
layer = self._get_layer(image)
layers.append(layer)
while layer.parent:
layer = self._get_layer(layer.parent)
layers.append(layer)
return layers
@staticmethod
def get_dangling_images():
return []
def make_remote_image(self, image):
img_obj = self._make_remote_image(image)
img_obj.populate_remote_inspect_info()
return img_obj
def _make_remote_image(self, image):
return self._make_image(image, None, remote=True)
def delete_container(self, container, force=False):
return self.syscontainers.uninstall(container)
def run(self, iobject, **kwargs):
args = kwargs.get('args')
try:
name = iobject.name
except AttributeError: # iobject isn't populated
raise ValueError('Unable to find an image named {} in {}'.format(
args.image, args.storage))
if len(args.command) == 0:
return self.syscontainers.start_service(name)
return self.syscontainers.container_exec(name, args.detach, args.command)
def tag_image(self, src, dest):
return self.syscontainers.tag_image(src, dest)
class OSTreeBackend(Backend):
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
@property
def backend(self):
return "ostree"
def _make_container(self, info):
container_id = info['Id']
runtime = self.syscontainers.get_container_runtime_info(container_id)
container = Container(container_id, backend=self)
container.name = container_id
container.id = container_id
container.created = info['Created']
container.status = runtime['status']
container.input_name = container_id
container.original_structure = info
container.deep = True
container.image = info['Image']
return container
def _make_image(self, image, info):
name = info['Id']
img_obj = Image(image, backend=self, remote=False)
img_obj.input_name = image
img_obj.name = image
img_obj.config = info
img_obj.backend = self
img_obj.id = name
img_obj.registry = None
img_obj.repo = None
img_obj.image = name
img_obj.tag = name
img_obj.repotags = info['RepoTags']
img_obj.created = info['Created']
img_obj.size = None
img_obj.original_structure = info
img_obj.deep = True
img_obj.labels = info['Labels']
img_obj.version = img_obj.get_label("Version")
img_obj.release = img_obj.get_label("Release")
img_obj.digest = None
img_obj.os = img_obj.get_label("Os")
img_obj.arch = img_obj.get_label("Arch")
img_obj.graph_driver = None
return img_obj
def has_image(self, img):
if self.syscontainers.has_image(img):
return self.inspect_image(img)
return None
def has_container(self, container):
if self.syscontainers.get_checkout(container):
return self.inspect_container(container)
return None
def inspect_image(self, image):
try:
return self._make_image(image, self.syscontainers.inspect_system_image(image))
except ValueError:
return None
def inspect_container(self, container):
containers = self.syscontainers.get_containers(containers=[container])
if len(containers) == 0:
return None
return self._make_container(containers[0])
def start_container(self, name):
return self.syscontainers.start_service(name)
def stop_container(self, name):
return self.syscontainers.stop_service(name)
def get_images(self, get_all=False):
return [self._make_image(x['Id'], x) for x in self.syscontainers.get_system_images(get_all=get_all)]
def get_containers(self):
return [self._make_container(x) for x in self.syscontainers.get_containers()]
def pull_image(self, image, pull_args):
return self.syscontainers.pull_image(image)
def delete_image(self, image, force=False):
return self.syscontainers.delete_image(image)
def version(self, image):
return self.get_layers(image)
def update(self, name, force=False):
if force or not self.syscontainers.has_image(name):
return self.syscontainers.update(name)
return True
def install(self, image, name):
return self.syscontainers.install(image, name)
def uninstall(self, name):
return self.syscontainers.uninstall(name)
def prune(self):
return self.syscontainers.prune_ostree_images()
def validate_layer(self, layer):
return self.syscontainers.validate_layer(layer)
def _get_layer(self, image):
return Layer(self.inspect_image(image))
def get_layers(self, image):
layers = []
layer = self._get_layer(image)
layers.append(layer)
while layer.parent:
layer = self._get_layer(layer.parent)
layers.append(layer)
return layers
def get_dangling_images(self):
return []
class OSTreeBackend(Backend):
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
@property
def backend(self):
return "ostree"
def available(self):
return self.syscontainers.available
def _make_container(self, info):
container_id = info['Id']
runtime = self.syscontainers.get_container_runtime_info(container_id)
container = Container(container_id, backend=self)
container.name = container_id
container.command = info['Command']
container.id = container_id
container.runtime = info['Runtime']
container.image_name = info['Image']
container.image = info['ImageID']
container.created = info['Created']
container.status = container.state = runtime['status']
container.input_name = container_id
container.original_structure = info
container.deep = True
container.running = False if container.status == 'inactive' else True
return container
def _make_image(self, image, info, remote=False):
img_obj = Image(image, backend=self, remote=remote)
if remote:
return img_obj
name = info['Id']
img_obj.input_name = image
img_obj.name = image
img_obj.config = info
img_obj.backend = self
img_obj.id = name
img_obj.registry, img_obj.repo, img_obj.image, img_obj.tag, _ = Decompose(
image).all
img_obj.repotags = info['RepoTags']
img_obj.created = info['Created']
img_obj.size = None
img_obj.original_structure = info
img_obj.deep = True
img_obj.labels = info.get('Labels', None)
img_obj.version = img_obj.get_label("Version")
img_obj.release = img_obj.get_label("Release")
ostree_manifest = self.syscontainers.get_manifest(image)
if ostree_manifest:
ostree_manifest = json_loads(ostree_manifest)
img_obj.digest = None if ostree_manifest is None else ostree_manifest.get(
'Digest') or ostree_manifest.get('digest')
img_obj.os = img_obj.get_label("Os")
img_obj.arch = img_obj.get_label("Arch")
img_obj.graph_driver = None
return img_obj
def has_image(self, img):
if self.syscontainers.has_image(img):
return self.inspect_image(img)
return None
def has_container(self, container):
if self.syscontainers.get_checkout(container):
return self.inspect_container(container)
return None
def inspect_image(self, image):
try:
return self._make_image(
image, self.syscontainers.inspect_system_image(image))
except ValueError:
return None
def inspect_container(self, container):
containers = self.syscontainers.get_containers(containers=[container])
if len(containers) == 0:
return None
return self._make_container(containers[0])
def start_container(self, name):
return self.syscontainers.start_service(name)
def stop_container(self, con_obj, **kwargs):
return self.syscontainers.stop_service(con_obj.id)
def get_images(self, get_all=False):
return [
self._make_image(x['Id'], x)
for x in self.syscontainers.get_system_images(get_all=get_all)
]
def get_containers(self):
return [
self._make_container(x)
for x in self.syscontainers.get_containers()
]
def pull_image(self, image, remote_image_obj=None, **kwargs):
return self.syscontainers.pull_image(image)
def delete_image(self, image, force=False):
return self.syscontainers.delete_image(image)
def version(self, image):
return self.get_layers(image)
def update(self, name, **kwargs):
force = kwargs.get('force', False)
if force:
raise ValueError("--force is not supported by ostree images")
return self.syscontainers.pull_image(name)
def install(self, image, name, **kwargs):
return self.syscontainers.install(image, name)
def uninstall(self, iobject, name=None, **kwargs):
return self.syscontainers.uninstall(iobject.name)
def prune(self):
return self.syscontainers.prune_ostree_images()
def validate_layer(self, layer):
return self.syscontainers.validate_layer(layer)
def _get_layer(self, image):
return Layer(self.inspect_image(image))
def get_layers(self, image):
layers = []
layer = self._get_layer(image)
layers.append(layer)
while layer.parent:
layer = self._get_layer(layer.parent)
layers.append(layer)
return layers
@staticmethod
def get_dangling_images():
return []
def make_remote_image(self, image):
img_obj = self._make_remote_image(image)
img_obj.populate_remote_inspect_info()
return img_obj
def _make_remote_image(self, image):
return self._make_image(image, None, remote=True)
def delete_container(self, container, force=False):
return self.syscontainers.uninstall(container)
def run(self, iobject, **kwargs):
return self.syscontainers.start_service(iobject.name)
def tag_image(self, src, dest):
return self.syscontainers.tag_image(src, dest)
class OSTreeBackend(Backend):
def __init__(self):
self.input = None
self.syscontainers = SystemContainers()
class Args:
def __init__(self):
self.system = os.getuid() == 0
self.user = not self.system
self.setvalues = {}
self.remote = False
self.syscontainers.set_args(Args())
@property
def backend(self):
return "ostree"
def _make_container(self, info):
container_id = info['Id']
runtime = self.syscontainers.get_container_runtime_info(container_id)
container = Container(container_id, backend=self)
container.name = container_id
container.id = container_id
container.created = info['Created']
container.status = runtime['status']
container.input_name = container_id
container.original_structure = info
container.deep = True
container.image = info['Image']
return container
def _make_image(self, image, info):
name = info['Id']
image = Image(image, backend=self, remote=False)
image.name = name
image.config = info
image.backend = self
image.id = name
image.registry = None
image.repo = None
image.image = name
image.tag = name
image.repotags = info['RepoTags']
image.created = info['Created']
image.size = None
image.original_structure = info
image.input_name = info['Id']
image.deep = True
image.labels = info['Labels']
image.version = image.get_label("Version")
image.release = image.get_label("Release")
image.digest = None
image.os = image.get_label("Os")
image.arch = image.get_label("Arch")
image.graph_driver = None
return image
def has_image(self, img):
if self.syscontainers.has_image(img):
return self.inspect_image(img)
return None
def has_container(self, container):
if self.syscontainers.get_checkout(container):
return self.inspect_container(container)
return None
def inspect_image(self, image):
try:
return self._make_image(
image, self.syscontainers.inspect_system_image(image))
except ValueError:
return None
def inspect_container(self, container):
containers = self.syscontainers.get_containers(containers=[container])
if len(containers) == 0:
return None
return self._make_container(containers[0])
def start_container(self, name):
return self.syscontainers.start_service(name)
def stop_container(self, name):
return self.syscontainers.stop_service(name)
def get_images(self, get_all=False):
return [
self._make_image(x['Id'], x)
for x in self.syscontainers.get_system_images(get_all=get_all)
]
def get_containers(self):
return [
self._make_container(x)
for x in self.syscontainers.get_containers()
]
def pull_image(self, image, pull_args):
return self.syscontainers.pull_image(image)
def delete_image(self, image, force=False):
return self.syscontainers.delete_image(image)
def version(self, image):
return self.get_layers(image)
def update(self, name, force=False):
if force or not self.syscontainers.has_image(name):
return self.syscontainers.update(name)
return True
def install(self, image, name):
return self.syscontainers.install(image, name)
def uninstall(self, name):
return self.syscontainers.uninstall(name)
def prune(self):
return self.syscontainers.prune_ostree_images()
def validate_layer(self, layer):
return self.syscontainers.validate_layer(layer)
def _get_layer(self, image):
return Layer(self.inspect_image(image))
def get_layers(self, image):
layers = []
layer = self._get_layer(image)
layers.append(layer)
while layer.parent:
layer = self._get_layer(layer.parent)
layers.append(layer)
return layers
def test_pull_as_nonprivileged_user(self):
args = self.Args()
args.user = True
testobj = SystemContainers()
testobj.set_args(args)
testobj.pull_image()
def ensure_ref_is_not_hex(ref):
ref_is_hex = SystemContainers._is_hex(ref)
self.assertFalse(ref_is_hex)
