blob: d64c3ec097c26b058d719ac83ca8bf48fdb5de96 [file] [log] [blame]
#!/bin/bash
#
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# 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.
#
# Test rules provided in Bazel not tested by examples
#
set -u
ADDITIONAL_BUILD_FLAGS=$1
WORKER_TYPE_LOG_STRING=$2
shift 2
# Load the test setup defined in the parent directory
CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${CURRENT_DIR}/../integration_test_setup.sh" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
# TODO(philwo): Change this so the path to the custom worker gets passed in as an argument to the
# test, once the bug that makes using the "args" attribute with sh_tests in Bazel impossible is
# fixed.
example_worker=$(find $BAZEL_RUNFILES -name ExampleWorkerMultiplexer_deploy.jar)
add_to_bazelrc "build -s"
add_to_bazelrc "build --spawn_strategy=worker,standalone"
add_to_bazelrc "build --worker_verbose --worker_max_instances=3"
add_to_bazelrc "build --debug_print_action_contexts"
add_to_bazelrc "build ${ADDITIONAL_BUILD_FLAGS}"
function set_up() {
# Run each test in a separate folder so that their output files don't get cached.
WORKSPACE_SUBDIR=$(basename $(mktemp -d ${WORKSPACE_DIR}/testXXXXXX))
cd ${WORKSPACE_SUBDIR}
BINS=$(bazel info $PRODUCT_NAME-bin)/${WORKSPACE_SUBDIR}
# This causes Bazel to shut down all running workers.
bazel build --worker_quit_after_build &> $TEST_log \
|| fail "'bazel build --worker_quit_after_build' during test set_up failed"
}
function prepare_example_worker() {
cp ${example_worker} worker_lib.jar
chmod +w worker_lib.jar
echo "exampledata" > worker_data.txt
mkdir worker_data_dir
echo "veryexample" > worker_data_dir/more_data.txt
cat >work.bzl <<'EOF'
def _impl(ctx):
worker = ctx.executable.worker
output = ctx.outputs.out
argfile_inputs = []
argfile_arguments = []
if ctx.attr.multiflagfiles:
# Generate one flagfile per command-line arg, alternate between @ and --flagfile= style.
# This is used to test the code that handles multiple flagfiles and the --flagfile= style.
idx = 1
for arg in ["--output_file=" + output.path] + ctx.attr.args:
argfile = ctx.actions.declare_file("%s_worker_input_%s" % (ctx.label.name, idx))
ctx.actions.write(output=argfile, content=arg)
argfile_inputs.append(argfile)
flagfile_prefix = "@" if (idx % 2 == 0) else "--flagfile="
argfile_arguments.append(flagfile_prefix + argfile.path)
idx += 1
else:
# Generate the "@"-file containing the command-line args for the unit of work.
argfile = ctx.actions.declare_file("%s_worker_input" % ctx.label.name)
argfile_contents = "\n".join(["--output_file=" + output.path] + ctx.attr.args)
ctx.actions.write(output=argfile, content=argfile_contents)
argfile_inputs.append(argfile)
argfile_arguments.append("@" + argfile.path)
ctx.actions.run(
inputs=argfile_inputs + ctx.files.srcs,
outputs=[output],
executable=worker,
progress_message="Working on %s" % ctx.label.name,
mnemonic="Work",
execution_requirements={"supports-multiplex-workers": "1"},
arguments=ctx.attr.worker_args + argfile_arguments,
)
work = rule(
implementation=_impl,
attrs={
"worker": attr.label(cfg="host", mandatory=True, allow_files=True, executable=True),
"worker_args": attr.string_list(),
"args": attr.string_list(),
"srcs": attr.label_list(allow_files=True),
"multiflagfiles": attr.bool(default=False),
},
outputs = {"out": "%{name}.out"},
)
EOF
cat >BUILD <<EOF
load(":work.bzl", "work")
java_import(
name = "worker_lib",
jars = ["worker_lib.jar"],
)
java_binary(
name = "worker",
main_class = "com.google.devtools.build.lib.worker.ExampleWorkerMultiplexer",
runtime_deps = [
":worker_lib",
],
data = [
":worker_data.txt",
":worker_data_dir",
]
)
EOF
}
function test_example_worker_multiplexer() {
prepare_example_worker
cat >>BUILD <<EOF
work(
name = "hello_world",
worker = ":worker",
args = ["hello world"],
)
work(
name = "hello_world_uppercase",
worker = ":worker",
args = ["--uppercase", "hello world"],
)
EOF
bazel build :hello_world &> $TEST_log \
|| fail "build failed"
assert_equals "hello world" "$(cat $BINS/hello_world.out)"
bazel build :hello_world_uppercase &> $TEST_log \
|| fail "build failed"
assert_equals "HELLO WORLD" "$(cat $BINS/hello_world_uppercase.out)"
}
function test_multiple_flagfiles() {
prepare_example_worker
cat >>BUILD <<EOF
work(
name = "multi_hello_world",
worker = ":worker",
args = ["hello", "world", "nice", "to", "meet", "you"],
multiflagfiles = True,
)
EOF
bazel build :multi_hello_world &> $TEST_log \
|| fail "build failed"
assert_equals "hello world nice to meet you" "$(cat $BINS/multi_hello_world.out)"
}
function test_workers_quit_after_build() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_counter"],
) for idx in range(10)]
EOF
bazel build --worker_quit_after_build :hello_world_1 &> $TEST_log \
|| fail "build failed"
work_count=$(cat $BINS/hello_world_1.out | grep COUNTER | cut -d' ' -f2)
assert_equals "1" $work_count
bazel build --worker_quit_after_build :hello_world_2 &> $TEST_log \
|| fail "build failed"
work_count=$(cat $BINS/hello_world_2.out | grep COUNTER | cut -d' ' -f2)
# If the worker hadn't quit as we told it, it would have been reused, causing this to be a "2".
assert_equals "1" $work_count
}
function test_build_fails_when_worker_exits() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
worker_args = ["--exit_after=1"],
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
bazel build :hello_world_2 &> $TEST_log \
&& fail "expected build to failed" || true
expect_log "Worker process quit or closed its stdin stream when we tried to send a WorkRequest"
}
function test_worker_restarts_when_worker_binary_changes() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
echo "First run" >> $TEST_log
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
worker_uuid_1=$(cat $BINS/hello_world_1.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_1.out | grep COUNTER | cut -d' ' -f2)
assert_equals "1" $work_count
echo "Second run" >> $TEST_log
bazel build :hello_world_2 &> $TEST_log \
|| fail "build failed"
worker_uuid_2=$(cat $BINS/hello_world_2.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_2.out | grep COUNTER | cut -d' ' -f2)
assert_equals "2" $work_count
# Check that the same worker was used twice.
assert_equals "$worker_uuid_1" "$worker_uuid_2"
# Modify the example worker jar to trigger a rebuild of the worker.
tr -cd '[:alnum:]' < /dev/urandom | head -c32 > dummy_file
zip worker_lib.jar dummy_file
rm dummy_file
bazel build :hello_world_3 &> $TEST_log \
|| fail "build failed"
worker_uuid_3=$(cat $BINS/hello_world_3.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_3.out | grep COUNTER | cut -d' ' -f2)
assert_equals "1" $work_count
expect_log "worker .* can no longer be used, because its files have changed on disk"
expect_log "worker_lib.jar: .* -> .*"
# Check that we used a new worker.
assert_not_equals "$worker_uuid_2" "$worker_uuid_3"
}
function test_worker_restarts_when_worker_runfiles_change() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
worker_uuid_1=$(cat $BINS/hello_world_1.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_1.out | grep COUNTER | cut -d' ' -f2)
assert_equals "1" $work_count
bazel build :hello_world_2 &> $TEST_log \
|| fail "build failed"
worker_uuid_2=$(cat $BINS/hello_world_2.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_2.out | grep COUNTER | cut -d' ' -f2)
assert_equals "2" $work_count
# Check that the same worker was used twice.
assert_equals "$worker_uuid_1" "$worker_uuid_2"
# "worker_data.txt" is included in the "data" attribute of the example worker.
echo "changeddata" > worker_data.txt
bazel build :hello_world_3 &> $TEST_log \
|| fail "build failed"
worker_uuid_3=$(cat $BINS/hello_world_3.out | grep UUID | cut -d' ' -f2)
work_count=$(cat $BINS/hello_world_3.out | grep COUNTER | cut -d' ' -f2)
assert_equals "1" $work_count
expect_log "worker .* can no longer be used, because its files have changed on disk"
expect_log "worker_data.txt: .* -> .*"
# Check that we used a new worker.
assert_not_equals "$worker_uuid_2" "$worker_uuid_3"
}
# When a worker does not conform to the protocol and returns a response that is not a parseable
# protobuf, it must be killed and a helpful error message should be printed.
# TODO(philwo) causes Bazel to crash with NullPointerException.
function DISABLED_test_build_fails_when_worker_returns_junk() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
worker_args = ["--poison_after=1"],
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
# A failing worker should cause the build to fail.
bazel build :hello_world_2 &> $TEST_log \
&& fail "expected build to fail" || true
# Check that a helpful error message was printed.
expect_log "Worker process returned an unparseable WorkResponse!"
expect_log "Did you try to print something to stdout"
expect_log "I'm a poisoned worker and this is not a protobuf."
}
function test_input_digests() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_uuid", "--print_inputs"],
srcs = [":input.txt"],
) for idx in range(10)]
EOF
echo "hello world" > input.txt
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
worker_uuid_1=$(cat $BINS/hello_world_1.out | grep UUID | cut -d' ' -f2)
hash1=$(egrep "INPUT .*/input.txt " $BINS/hello_world_1.out | cut -d' ' -f3)
bazel build :hello_world_2 >> $TEST_log 2>&1 \
|| fail "build failed"
worker_uuid_2=$(cat $BINS/hello_world_2.out | grep UUID | cut -d' ' -f2)
hash2=$(egrep "INPUT .*/input.txt " $BINS/hello_world_2.out | cut -d' ' -f3)
assert_equals "$worker_uuid_1" "$worker_uuid_2"
assert_equals "$hash1" "$hash2"
echo "changeddata" > input.txt
bazel build :hello_world_3 >> $TEST_log 2>&1 \
|| fail "build failed"
worker_uuid_3=$(cat $BINS/hello_world_3.out | grep UUID | cut -d' ' -f2)
hash3=$(egrep "INPUT .*/input.txt " $BINS/hello_world_3.out | cut -d' ' -f3)
assert_equals "$worker_uuid_2" "$worker_uuid_3"
assert_not_equals "$hash2" "$hash3"
}
function test_worker_verbose() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build --worker_quit_after_build :hello_world_1 &> $TEST_log \
|| fail "build failed"
expect_log "Created new ${WORKER_TYPE_LOG_STRING} Work worker (id [0-9]\+)"
expect_log "Destroying Work worker (id [0-9]\+)"
expect_log "Build completed, shutting down worker pool..."
}
function test_logs_are_deleted_on_server_restart() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build --worker_quit_after_build :hello_world_1 &> $TEST_log \
|| fail "build failed"
expect_log "Created new ${WORKER_TYPE_LOG_STRING} Work worker (id [0-9]\+)"
worker_log=$(egrep -o -- 'logging to .*/b(azel|laze)-workers/worker-[0-9]-Work.log' "$TEST_log" | sed 's/^logging to //')
[ -e "$worker_log" ] \
|| fail "Worker log was not found"
# Running a build after a server shutdown should trigger the removal of old worker log files.
bazel shutdown &> $TEST_log
bazel build &> $TEST_log
[ ! -e "$worker_log" ] \
|| fail "Worker log was not deleted"
}
function test_missing_execution_requirements_fallback_to_standalone() {
prepare_example_worker
cat >>BUILD <<'EOF'
work(
name = "hello_world",
worker = ":worker",
args = ["--write_uuid", "--write_counter"],
)
EOF
sed -i.bak '/execution_requirements/d' work.bzl
rm -f work.bzl.bak
bazel build --worker_quit_after_build :hello_world &> $TEST_log \
|| fail "build failed"
expect_not_log "Created new ${WORKER_TYPE_LOG_STRING} Work worker (id [0-9]\+)"
expect_not_log "Destroying Work worker (id [0-9]\+)"
# WorkerSpawnStrategy falls back to standalone strategy, so we still expect the output to be generated.
[ -e "$BINS/hello_world.out" ] \
|| fail "Worker did not produce output"
}
function test_environment_is_clean() {
prepare_example_worker
cat >>BUILD <<'EOF'
work(
name = "hello_world",
worker = ":worker",
args = ["--print_env"],
)
EOF
bazel shutdown &> $TEST_log \
|| fail "shutdown failed"
CAKE=LIE bazel build --worker_quit_after_build :hello_world &> $TEST_log \
|| fail "build failed"
fgrep CAKE=LIE $BINS/hello_world.out \
&& fail "environment variable leaked into worker env" || true
}
function test_workers_quit_on_clean() {
prepare_example_worker
cat >>BUILD <<EOF
work(
name = "hello_clean",
worker = ":worker",
args = ["hello clean"],
)
EOF
bazel build :hello_clean &> $TEST_log \
|| fail "build failed"
assert_equals "hello clean" "$(cat $BINS/hello_clean.out)"
expect_log "Created new ${WORKER_TYPE_LOG_STRING} Work worker (id [0-9]\+)"
bazel clean &> $TEST_log \
|| fail "clean failed"
expect_log "Clean command is running, shutting down worker pool..."
expect_log "Destroying Work worker (id [0-9]\+)"
}
function test_crashed_worker_causes_log_dump() {
prepare_example_worker
cat >>BUILD <<'EOF'
[work(
name = "hello_world_%s" % idx,
worker = ":worker",
worker_args = ["--poison_after=1", "--hard_poison"],
args = ["--write_uuid", "--write_counter"],
) for idx in range(10)]
EOF
bazel build :hello_world_1 &> $TEST_log \
|| fail "build failed"
bazel build :hello_world_2 &> $TEST_log \
&& fail "expected build to fail" || true
expect_log "^---8<---8<--- Start of log, file at /"
expect_log "Worker process did not return a WorkResponse:"
expect_log "I'm a very poisoned worker and will just crash."
expect_log "^---8<---8<--- End of log ---8<---8<---"
}
function test_multiple_target_without_delay() {
prepare_example_worker
cat >>BUILD <<EOF
work(
name = "hello_world_1",
worker = ":worker",
args = ["hello world 1"],
)
work(
name = "hello_world_2",
worker = ":worker",
args = ["hello world 2"],
)
work(
name = "hello_world_3",
worker = ":worker",
args = ["hello world 3"],
)
EOF
bazel build :hello_world_1 :hello_world_2 :hello_world_3 &> $TEST_log \
|| fail "build failed"
assert_equals "hello world 1" "$(cat $BINS/hello_world_1.out)"
assert_equals "hello world 2" "$(cat $BINS/hello_world_2.out)"
assert_equals "hello world 3" "$(cat $BINS/hello_world_3.out)"
}
# We just need to test the build completion, no assertion is needed.
function test_multiple_target_with_delay() {
prepare_example_worker
cat >>BUILD <<EOF
work(
name = "hello_world_1",
worker = ":worker",
args = ["--delay", "hello world 1"],
)
work(
name = "hello_world_2",
worker = ":worker",
args = ["--delay", "hello world 2"],
)
work(
name = "hello_world_3",
worker = ":worker",
args = ["--delay", "hello world 3"],
)
EOF
bazel build :hello_world_1 :hello_world_2 :hello_world_3 &> $TEST_log \
|| fail "build failed"
}
run_suite "Worker multiplexer integration tests"