# python3
# Copyright 2019 Google LLC
#
# 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.
"""Redis benchmarks."""

from benchmarks import suites
from benchmarks.harness import machine
from benchmarks.workloads import redisbenchmark


@suites.benchmark(metrics=list(redisbenchmark.METRICS.values()), machines=2)
def redis(server: machine.Machine,
          client: machine.Machine,
          flags: str = "",
          **kwargs) -> str:
  """Run redis-benchmark on client pointing at server machine.

  Args:
    server: A machine object.
    client: A machine object.
    flags: Flags to pass redis-benchmark.
    **kwargs: Additional container options.

  Returns:
    Output from redis-benchmark.
  """
  redis_server = server.pull("redis")
  redis_client = client.pull("redisbenchmark")
  netcat = client.pull("netcat")
  with server.container(
      redis_server, port=6379, **kwargs).detach() as container:
    (host, port) = container.address()
    # Wait for the container to be up.
    client.container(netcat).run(host=host, port=port)
    # Run all redis benchmarks.
    return client.container(redis_client).run(host=host, port=port, flags=flags)