def test_basic_conversion(
nydus_anchor: NydusAnchor,
rafs_conf: RafsConf,
source,
fs_version,
local_registry,
nydusify_converter,
):
"""
No need to locate where bootstrap is as we can directly pull it from registry
"""
converter = Nydusify(nydus_anchor)
time.sleep(1)
converter.docker_v2().enable_multiplatfrom(False).convert(
source, fs_version=fs_version)
assert converter.locate_bootstrap() is not None
pulled_bootstrap = converter.pull_bootstrap(
tempfile.TemporaryDirectory(dir=nydus_anchor.workspace,
suffix="bootstrap").name,
"pulled_bootstrap",
)
# Skopeo does not support media type: "application/vnd.oci.image.layer.nydus.blob.v1",
# So can't download build cache like a oci image.
layers, base = converter.extract_source_layers_names_and_download()
nydus_anchor.mount_overlayfs(layers, base)
converted_layers = converter.extract_converted_layers_names()
converted_layers.sort()
rafs_conf.set_rafs_backend(Backend.REGISTRY,
repo=posixpath.basename(source).split(":")[0])
rafs_conf.enable_fs_prefetch()
rafs_conf.enable_rafs_blobcache()
rafs_conf.dump_rafs_conf()
rafs = RafsMount(nydus_anchor, None, rafs_conf)
# Use `nydus-image inspect` to compare blob table in bootstrap and manifest
workload_gen = WorkloadGen(nydus_anchor.mount_point,
nydus_anchor.overlayfs)
# No need to locate where bootstrap is as we can directly pull it from registry
rafs.thread_num(6).bootstrap(pulled_bootstrap).prefetch_files("/").mount()
assert workload_gen.verify_entire_fs()
workload_gen.setup_workload_generator()
workload_gen.torture_read(4, 6, verify=True)
workload_gen.finish_torture_read()
def test_cross_platform_multiplatform(
nydus_anchor: NydusAnchor,
rafs_conf: RafsConf,
source,
arch,
enable_multiplatform,
local_registry,
nydusify_converter,
):
"""
- copy the entire repo from source registry to target registry
- One image coresponds to manifest list while the other one to single manifest
- Use cloned source rather than the one from original registry
- Push the converted images to the original source
- Also test multiplatform here
- ? Seems with flag --multiplatform to nydusify, it still just push single manifest
- converted manifest index has one more image than origin.
"""
# Copy the entire repo for multiplatform
skopeo = utils.Skopeo()
source_name_tagged = posixpath.basename(source)
target_image = f"localhost:5000/{source_name_tagged}"
cloned_source = f"localhost:5000/{source_name_tagged}"
skopeo.copy_all_to_registry(source, target_image)
origin_manifest_index = skopeo.manifest_list(cloned_source)
utils.Skopeo.pretty_print(origin_manifest_index)
converter = Nydusify(nydus_anchor)
converter.docker_v2(
).build_cache_ref("localhost:5000/build_cache:000").platform(
f"linux/{arch}").enable_multiplatfrom(enable_multiplatform).convert(
cloned_source, target_ref=target_image)
# TODO: configure registry backend from `local_registry` rather than anchor
rafs_conf.set_rafs_backend(Backend.REGISTRY,
repo=posixpath.basename(source).split(":")[0])
rafs_conf.enable_fs_prefetch()
rafs_conf.enable_rafs_blobcache()
pulled_bootstrap = converter.pull_bootstrap(
tempfile.TemporaryDirectory(dir=nydus_anchor.workspace,
suffix="bootstrap").name,
"pulled_bootstrap",
arch,
)
# Skopeo does not support media type: "application/vnd.oci.image.layer.nydus.blob.v1",
# So can't download build cache like a oci image.
layers, base = converter.extract_source_layers_names_and_download(
arch=arch)
nydus_anchor.mount_overlayfs(layers, base)
converted_layers = converter.extract_converted_layers_names(arch=arch)
converted_layers.sort()
converted_manifest_index = skopeo.manifest_list(cloned_source)
utils.Skopeo.pretty_print(converted_manifest_index)
assert (len(converted_manifest_index["manifests"]) -
len(origin_manifest_index["manifests"]) == 1)
# `inspect` will succeed if image to arch can be found.
skopeo.inspect(target_image, image_arch=arch)
converter.find_nydus_image(target_image, arch)
target_image_config = converter.pull_config(target_image, arch=arch)
assert target_image_config["architecture"] == arch
records = converter.get_build_cache_records(
"localhost:5000/build_cache:000")
assert len(records) != 0
cached_layers = [c["digest"] for c in records]
cached_layers.sort()
# > assert cached_layers == converted_layers
# E AssertionError: assert None == ['sha256:3f18...af3234b4c257']
# E +None
# E -['sha256:3f18b27a912188108c8590684206bd9da7d81bbfd0e8325f3ef0af3234b4c257']
for r in converted_layers:
assert r in cached_layers
# Use `nydus-image inspect` to compare blob table in bootstrap and manifest
workload_gen = WorkloadGen(nydus_anchor.mount_point,
nydus_anchor.overlayfs)
# No need to locate where bootstrap is as we can directly pull it from registry
rafs = RafsMount(nydus_anchor, None, rafs_conf)
rafs.thread_num(6).bootstrap(pulled_bootstrap).prefetch_files("/").mount()
assert workload_gen.verify_entire_fs()
workload_gen.setup_workload_generator()
workload_gen.torture_read(8, 12, verify=True)
workload_gen.finish_torture_read()
def test_upload_oss(
nydus_anchor: NydusAnchor,
rafs_conf: RafsConf,
source,
local_registry,
nydusify_converter,
):
"""
docker python client manual: https://docker-py.readthedocs.io/en/stable/
Use pulled bootstrap from registry instead of newly generated by nydus-image to check if the bootstrap is pushed successfully.
"""
converter = Nydusify(nydus_anchor)
time.sleep(1)
oss_prefix = "nydus_v2/"
converter.docker_v2().backend_type(
"oss", oss_object_prefix=oss_prefix, filed=True).build_cache_ref(
"localhost:5000/build_cache:000").force_push().convert(source)
nydus_image_output = converter.nydus_image_output()
blobs_to_remove = nydus_image_output["blobs"]
# Just to observe if convertion is faster
converter.docker_v2().backend_type(
"oss", oss_object_prefix=oss_prefix).build_cache_ref(
"localhost:5000/build_cache:000").force_push().convert(source)
rafs_conf.set_rafs_backend(Backend.OSS, prefix=oss_prefix)
rafs_conf.enable_fs_prefetch()
rafs_conf.enable_rafs_blobcache()
rafs_conf.dump_rafs_conf()
bootstrap = converter.locate_bootstrap()
# `check` deletes all files
checker = Nydusify(nydus_anchor)
checker.backend_type(
"oss", oss_object_prefix=oss_prefix).with_new_work_dir(
nydus_anchor.nydusify_work_dir + "-check").check(source)
converted_layers = converter.extract_converted_layers_names()
# With oss backend, ant useage, `layers` only has one member
records = converter.get_build_cache_records(
"localhost:5000/build_cache:000")
assert len(records) != 0
cached_layers = [c["digest"] for c in records]
assert cached_layers.sort() == converted_layers.sort()
pulled_bootstrap = converter.pull_bootstrap(
tempfile.TemporaryDirectory(dir=nydus_anchor.workspace,
suffix="bootstrap").name,
"pulled_bootstrap",
)
layers, base = converter.extract_source_layers_names_and_download()
nydus_anchor.mount_overlayfs(layers, base)
rafs = RafsMount(nydus_anchor, None, rafs_conf)
workload_gen = WorkloadGen(nydus_anchor.mount_point,
nydus_anchor.overlayfs)
rafs.thread_num(6).bootstrap(pulled_bootstrap).prefetch_files("/").mount()
assert workload_gen.verify_entire_fs()
workload_gen.setup_workload_generator()
workload_gen.torture_read(8, 12, verify=True)
workload_gen.finish_torture_read()
oss = OssHelper(
nydus_anchor.ossutil_bin,
endpoint=nydus_anchor.oss_endpoint,
bucket=nydus_anchor.oss_bucket,
ak_id=nydus_anchor.oss_ak_id,
ak_secret=nydus_anchor.oss_ak_secret,
prefix=None,
)
# Nydusify will skip upload blob as object if it exists.
for b in blobs_to_remove:
oss.rm(b)