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#
# Copyright (C) 2016 Codethink Limited
# Copyright (C) 2019 Bloomberg Finance LP
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import glob
from contextlib import ExitStack
import pytest
from buildstream import utils, _yaml
from buildstream.exceptions import ErrorDomain
from buildstream._testing import cli_integration as cli # pylint: disable=unused-import
from buildstream._testing._utils.site import HAVE_SANDBOX
from tests.testutils import create_artifact_share
pytestmark = pytest.mark.integration
DATA_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "project")
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
def test_build_checkout_cached_fail(cli, datafiles):
project = str(datafiles)
element_path = os.path.join(project, "elements", "element.bst")
checkout = os.path.join(cli.directory, "checkout")
# Write out our test target
element = {
"kind": "script",
"depends": [
{
"filename": "base.bst",
"type": "build",
},
],
"config": {
"commands": [
"touch %{install-root}/foo",
"false",
],
},
}
_yaml.roundtrip_dump(element, element_path)
# Try to build it, this should result in a failure that contains the content
result = cli.run(project=project, args=["build", "element.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# Assert that it's cached in a failed artifact
assert cli.get_element_state(project, "element.bst") == "failed"
# Now check it out
result = cli.run(project=project, args=["artifact", "checkout", "element.bst", "--directory", checkout])
result.assert_success()
# Check that the checkout contains the file created before failure
filename = os.path.join(checkout, "foo")
assert os.path.exists(filename)
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
def test_build_depend_on_cached_fail(cli, datafiles):
project = str(datafiles)
dep_path = os.path.join(project, "elements", "dep.bst")
target_path = os.path.join(project, "elements", "target.bst")
dep = {
"kind": "script",
"depends": [
{
"filename": "base.bst",
"type": "build",
},
],
"config": {
"commands": [
"touch %{install-root}/foo",
"false",
],
},
}
_yaml.roundtrip_dump(dep, dep_path)
target = {
"kind": "script",
"depends": [
{
"filename": "base.bst",
"type": "build",
},
{
"filename": "dep.bst",
"type": "build",
},
],
"config": {
"commands": [
"test -e /foo",
],
},
}
_yaml.roundtrip_dump(target, target_path)
# Try to build it, this should result in caching a failure to build dep
result = cli.run(project=project, args=["build", "dep.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# Assert that it's cached in a failed artifact
assert cli.get_element_state(project, "dep.bst") == "failed"
# Now we should fail because we've a cached fail of dep
result = cli.run(project=project, args=["build", "target.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# Assert that it's not yet built, since one of its dependencies isn't ready.
assert cli.get_element_state(project, "target.bst") == "waiting"
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize("on_error", ("continue", "quit"))
def test_push_cached_fail(cli, tmpdir, datafiles, on_error):
if on_error == "quit":
pytest.xfail("https://gitlab.com/BuildStream/buildstream/issues/534")
project = str(datafiles)
element_path = os.path.join(project, "elements", "element.bst")
# Write out our test target
element = {
"kind": "script",
"depends": [
{
"filename": "base.bst",
"type": "build",
},
],
"config": {
"commands": [
"false",
# Ensure unique cache key for different test variants
'TEST="{}"'.format(os.environ.get("PYTEST_CURRENT_TEST")),
],
},
}
_yaml.roundtrip_dump(element, element_path)
with create_artifact_share(os.path.join(str(tmpdir), "remote")) as share:
cli.configure({"artifacts": {"servers": [{"url": share.repo, "push": True}]}})
# Build the element, continuing to finish active jobs on error.
result = cli.run(project=project, args=["--on-error={}".format(on_error), "build", "element.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# This element should have failed
assert cli.get_element_state(project, "element.bst") == "failed"
# This element should have been pushed to the remote
assert share.get_artifact(cli.get_artifact_name(project, "test", "element.bst"))
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize("on_error", ("continue", "quit"))
def test_push_failed_missing_shell(cli, tmpdir, datafiles, on_error):
"""Test that we can upload a built artifact that didn't have a valid shell inside.
When we don't have a valid shell, the artifact will be empty, not even the root directory.
This ensures we handle the case of an entirely empty artifact correctly.
"""
if on_error == "quit":
pytest.xfail("https://gitlab.com/BuildStream/buildstream/issues/534")
project = str(datafiles)
element_path = os.path.join(project, "elements", "element.bst")
# Write out our test target
element = {
"kind": "script",
"config": {
"commands": [
"false",
# Ensure unique cache key for different test variants
'TEST="{}"'.format(os.environ.get("PYTEST_CURRENT_TEST")),
],
},
}
_yaml.roundtrip_dump(element, element_path)
with create_artifact_share(os.path.join(str(tmpdir), "remote")) as share:
cli.configure({"artifacts": {"servers": [{"url": share.repo, "push": True}]}})
# Build the element, continuing to finish active jobs on error.
result = cli.run(project=project, args=["--on-error={}".format(on_error), "build", "element.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# This element should have failed
assert cli.get_element_state(project, "element.bst") == "failed"
# This element should have been pushed to the remote
assert share.get_artifact(cli.get_artifact_name(project, "test", "element.bst"))
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
@pytest.mark.datafiles(DATA_DIR)
def test_host_tools_errors_are_not_cached(cli, datafiles, tmp_path):
# Create symlink to buildbox-casd to work with custom PATH
buildbox_casd = tmp_path.joinpath("bin/buildbox-casd")
buildbox_casd.parent.mkdir()
os.symlink(utils.get_host_tool("buildbox-casd"), str(buildbox_casd))
project = str(datafiles)
element_path = os.path.join(project, "elements", "element.bst")
# Write out our test target
element = {
"kind": "script",
"depends": [
{
"filename": "base.bst",
"type": "build",
},
],
"config": {
"commands": [
"true",
],
},
}
_yaml.roundtrip_dump(element, element_path)
# Build without access to host tools, this will fail
result1 = cli.run(
project=project,
args=["build", "element.bst"],
env={"PATH": str(tmp_path.joinpath("bin"))},
)
result1.assert_task_error(ErrorDomain.SANDBOX, "unavailable-local-sandbox")
assert cli.get_element_state(project, "element.bst") == "buildable"
# When rebuilding, this should work
result2 = cli.run(project=project, args=["build", "element.bst"])
result2.assert_success()
assert cli.get_element_state(project, "element.bst") == "cached"
# Tests that failed builds will be retried in strict mode when dependencies have changed.
#
# This test ensures:
# o Fixing a dependency such that the reverse dependency will succeed, gets automatically retried
# o A subsequent retry of the same failed build will not trigger a retry attempt
# o The same behavior is observed when a failed build artifact is downloaded from a remote cache
#
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
@pytest.mark.parametrize("use_share", (False, True), ids=["local-cache", "pull-failed-artifact"])
@pytest.mark.parametrize("retry", (True, False), ids=["retry", "no-retry"])
def test_nonstrict_retry_failed(cli, tmpdir, datafiles, use_share, retry):
project = str(datafiles)
intermediate_path = os.path.join(project, "elements", "intermediate.bst")
dep_path = os.path.join(project, "elements", "dep.bst")
target_path = os.path.join(project, "elements", "target.bst")
# Use separate cache directories for each iteration of this test
# even though we're using cli_integration
#
# Global nonstrict configuration ensures all commands will be non-strict
cli.configure({"cachedir": cli.directory, "projects": {"test": {"strict": False}}})
def generate_dep(filename, dependency):
return {
"kind": "manual",
"depends": [dependency],
"config": {
"install-commands": [
"touch %{install-root}/" + filename,
],
},
}
def generate_target():
return {
"kind": "manual",
"depends": [
"dep.bst",
],
"config": {
"build-commands": [
"test -e /foo",
],
},
}
with ExitStack() as stack:
if use_share:
share = stack.enter_context(create_artifact_share(os.path.join(str(tmpdir), "artifactshare")))
cli.configure({"artifacts": {"servers": [{"url": share.repo, "push": True}]}})
intermediate = generate_dep("pony", "base.bst")
dep = generate_dep("bar", "intermediate.bst")
target = generate_target()
_yaml.roundtrip_dump(intermediate, intermediate_path)
_yaml.roundtrip_dump(dep, dep_path)
_yaml.roundtrip_dump(target, target_path)
# First build the dep / intermediate elements
result = cli.run(project=project, args=["build", "dep.bst"])
result.assert_success()
# Remove the intermediate element from cache, rebuild the dep, such that only
# a weak key for the dep is possible
cli.remove_artifact_from_cache(project, "intermediate.bst")
intermediate = generate_dep("horsy", "base.bst")
_yaml.roundtrip_dump(intermediate, intermediate_path)
result = cli.run(project=project, args=["build", "dep.bst"])
result.assert_success()
assert "dep.bst" not in result.get_built_elements()
# Try to build it, this should result in caching a failure of the target
result = cli.run(project=project, args=["build", "target.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# Assert that it's cached in a failed artifact
assert cli.get_element_state(project, "target.bst") == "failed"
if use_share:
# Ensure that the target.bst has been shared, this is needed because of:
# https://github.com/apache/buildstream/issues/534
result = cli.run(project=project, args=["artifact", "push", "target.bst"])
result.assert_success()
# Delete the local cache, provoke pulling of the failed build
cli.remove_artifact_from_cache(project, "target.bst")
# Assert that the failed build has been removed
assert cli.get_element_state(project, "target.bst") == "buildable"
# Regenerate the dependency so that the target would succeed to build, if the
# test is configured to test a retry
if retry:
dep = generate_dep("foo", "intermediate.bst")
_yaml.roundtrip_dump(dep, dep_path)
# Even though we are in non-strict mode, the failed build should be retried
result = cli.run(project=project, args=["build", "target.bst"])
# If we did not modify the cache key, we want to assert that we did not
# in fact attempt to rebuild the failed artifact.
#
# Since the UX is very similar, we'll distinguish this by counting the number of
# build logs which were produced.
#
logdir = os.path.join(cli.directory, "logs", "test", "target")
build_logs = glob.glob("{}/*-build.*.log".format(logdir))
if retry:
result.assert_success()
assert len(build_logs) == 2
else:
result.assert_main_error(ErrorDomain.STREAM, None)
assert len(build_logs) == 1
if use_share:
# Assert that we did indeed go through the motions of downloading the failed
# build, and possibly discarded the failed artifact if the strong key did not match
#
assert "target.bst" in result.get_pulled_elements()
# Tests that failed build artifacts in non-strict mode can be deleted.
#
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.skipif(not HAVE_SANDBOX, reason="Only available with a functioning sandbox")
def test_nonstrict_delete_failed(cli, tmpdir, datafiles):
project = str(datafiles)
intermediate_path = os.path.join(project, "elements", "intermediate.bst")
dep_path = os.path.join(project, "elements", "dep.bst")
target_path = os.path.join(project, "elements", "target.bst")
# Global nonstrict configuration ensures all commands will be non-strict
cli.configure({"projects": {"test": {"strict": False}}})
def generate_dep(filename, dependency):
return {
"kind": "manual",
"depends": [dependency],
"config": {
"install-commands": [
"touch %{install-root}/" + filename,
],
},
}
def generate_target():
return {
"kind": "manual",
"depends": [
"dep.bst",
],
"config": {
"build-commands": [
"test -e /foo",
],
},
}
intermediate = generate_dep("pony", "base.bst")
dep = generate_dep("bar", "intermediate.bst")
target = generate_target()
_yaml.roundtrip_dump(intermediate, intermediate_path)
_yaml.roundtrip_dump(dep, dep_path)
_yaml.roundtrip_dump(target, target_path)
# First build the dep / intermediate elements
result = cli.run(project=project, args=["build", "dep.bst"])
result.assert_success()
# Remove the intermediate element from cache, rebuild the dep, such that only
# a weak key for the dep is possible
cli.remove_artifact_from_cache(project, "intermediate.bst")
intermediate = generate_dep("horsy", "base.bst")
_yaml.roundtrip_dump(intermediate, intermediate_path)
result = cli.run(project=project, args=["build", "dep.bst"])
result.assert_success()
assert "dep.bst" not in result.get_built_elements()
# Try to build it, this should result in caching a failure of the target
result = cli.run(project=project, args=["build", "target.bst"])
result.assert_main_error(ErrorDomain.STREAM, None)
# Assert that it's cached in a failed artifact
assert cli.get_element_state(project, "target.bst") == "failed"
# Delete it
result = cli.run(project=project, args=["artifact", "delete", "target.bst"])
# Assert that it's no longer cached, and returns to a buildable state
assert cli.get_element_state(project, "target.bst") == "buildable"