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# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import pytest
from buildstream import _yaml
from buildstream._project import Project
from buildstream._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
from buildstream.testing import cli # pylint: disable=unused-import
from tests.testutils import create_artifact_share, dummy_context
# Project directory
DATA_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "project",)
def tree_maker(cas, tree, directory):
if tree.root.ByteSize() == 0:
tree.root.CopyFrom(directory)
for directory_node in directory.directories:
child_directory = tree.children.add()
with open(cas.objpath(directory_node.digest), "rb") as f:
child_directory.ParseFromString(f.read())
tree_maker(cas, tree, child_directory)
@pytest.mark.datafiles(DATA_DIR)
def test_pull(cli, tmpdir, datafiles):
project_dir = str(datafiles)
# Set up an artifact cache.
with create_artifact_share(os.path.join(str(tmpdir), "artifactshare")) as share:
# Configure artifact share
cache_dir = os.path.join(str(tmpdir), "cache")
user_config_file = str(tmpdir.join("buildstream.conf"))
user_config = {
"scheduler": {"pushers": 1},
"artifacts": {"url": share.repo, "push": True,},
"cachedir": cache_dir,
}
# Write down the user configuration file
_yaml.roundtrip_dump(user_config, file=user_config_file)
# Ensure CLI calls will use it
cli.configure(user_config)
# First build the project with the artifact cache configured
result = cli.run(project=project_dir, args=["build", "target.bst"])
result.assert_success()
# Assert that we are now cached locally
assert cli.get_element_state(project_dir, "target.bst") == "cached"
# Assert that we shared/pushed the cached artifact
assert share.get_artifact(cli.get_artifact_name(project_dir, "test", "target.bst"))
# Delete the artifact locally
cli.remove_artifact_from_cache(project_dir, "target.bst")
# Assert that we are not cached locally anymore
assert cli.get_element_state(project_dir, "target.bst") != "cached"
with dummy_context(config=user_config_file) as context:
# Load the project
project = Project(project_dir, context)
project.ensure_fully_loaded()
# Assert that the element's artifact is **not** cached
element = project.load_elements(["target.bst"])[0]
element_key = cli.get_element_key(project_dir, "target.bst")
assert not cli.artifact.is_cached(cache_dir, element, element_key)
context.cachedir = cache_dir
context.casdir = os.path.join(cache_dir, "cas")
context.tmpdir = os.path.join(cache_dir, "tmp")
# Load the project manually
project = Project(project_dir, context)
project.ensure_fully_loaded()
# Create a local artifact cache handle
artifactcache = context.artifactcache
# Manually setup the CAS remote
artifactcache.setup_remotes(use_config=True)
assert artifactcache.has_push_remotes(plugin=element), "No remote configured for element target.bst"
assert artifactcache.pull(element, element_key), "Pull operation failed"
assert cli.artifact.is_cached(cache_dir, element, element_key)
@pytest.mark.datafiles(DATA_DIR)
def test_pull_tree(cli, tmpdir, datafiles):
project_dir = str(datafiles)
# Set up an artifact cache.
with create_artifact_share(os.path.join(str(tmpdir), "artifactshare")) as share:
# Configure artifact share
rootcache_dir = os.path.join(str(tmpdir), "cache")
user_config_file = str(tmpdir.join("buildstream.conf"))
user_config = {
"scheduler": {"pushers": 1},
"artifacts": {"url": share.repo, "push": True,},
"cachedir": rootcache_dir,
}
# Write down the user configuration file
_yaml.roundtrip_dump(user_config, file=user_config_file)
# Ensure CLI calls will use it
cli.configure(user_config)
# First build the project with the artifact cache configured
result = cli.run(project=project_dir, args=["build", "target.bst"])
result.assert_success()
# Assert that we are now cached locally
assert cli.get_element_state(project_dir, "target.bst") == "cached"
# Assert that we shared/pushed the cached artifact
assert share.get_artifact(cli.get_artifact_name(project_dir, "test", "target.bst"))
with dummy_context(config=user_config_file) as context:
# Load the project and CAS cache
project = Project(project_dir, context)
project.ensure_fully_loaded()
cas = context.get_cascache()
# Assert that the element's artifact is cached
element = project.load_elements(["target.bst"])[0]
element_key = cli.get_element_key(project_dir, "target.bst")
assert cli.artifact.is_cached(rootcache_dir, element, element_key)
# Retrieve the Directory object from the cached artifact
artifact_digest = cli.artifact.get_digest(rootcache_dir, element, element_key)
artifactcache = context.artifactcache
# Manually setup the CAS remote
artifactcache.setup_remotes(use_config=True)
assert artifactcache.has_push_remotes()
directory = remote_execution_pb2.Directory()
with open(cas.objpath(artifact_digest), "rb") as f:
directory.ParseFromString(f.read())
# Build the Tree object while we are still cached
tree = remote_execution_pb2.Tree()
tree_maker(cas, tree, directory)
# Push the Tree as a regular message
tree_digest = artifactcache.push_message(project, tree)
tree_hash, tree_size = tree_digest.hash, tree_digest.size_bytes
assert tree_hash and tree_size
# Now delete the artifact locally
cli.remove_artifact_from_cache(project_dir, "target.bst")
# Assert that we are not cached locally anymore
artifactcache.close_grpc_channels()
cas.close_grpc_channels()
assert cli.get_element_state(project_dir, "target.bst") != "cached"
tree_digest = remote_execution_pb2.Digest(hash=tree_hash, size_bytes=tree_size)
# Pull the artifact using the Tree object
directory_digest = artifactcache.pull_tree(project, artifact_digest)
directory_hash, directory_size = directory_digest.hash, directory_digest.size_bytes
# Directory size now zero with AaaP and stack element commit #1cbc5e63dc
assert directory_hash and not directory_size
directory_digest = remote_execution_pb2.Digest(hash=directory_hash, size_bytes=directory_size)
# Ensure the entire Tree stucture has been pulled
assert os.path.exists(cas.objpath(directory_digest))
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