The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

658 lines
23 KiB

# Copyright 2016, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# performance scenario configuration for various languages
WARMUP_SECONDS=5
JAVA_WARMUP_SECONDS=15 # Java needs more warmup time for JIT to kick in.
BENCHMARK_SECONDS=30
SMOKETEST='smoketest'
SCALABLE='scalable'
SWEEP='sweep'
SECURE_SECARGS = {'use_test_ca': True,
'server_host_override': 'foo.test.google.fr'}
HISTOGRAM_PARAMS = {
'resolution': 0.01,
'max_possible': 60e9,
}
EMPTY_GENERIC_PAYLOAD = {
'bytebuf_params': {
'req_size': 0,
'resp_size': 0,
}
}
EMPTY_PROTO_PAYLOAD = {
'simple_params': {
'req_size': 0,
'resp_size': 0,
}
}
BIG_GENERIC_PAYLOAD = {
'bytebuf_params': {
'req_size': 65536,
'resp_size': 65536,
}
}
# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
# (the value used is 1 otherwise)
DEEP=100
# wide is the number of client channels in multi-channel tests (1 otherwise)
WIDE=64
# For most synchronous clients, DEEP*WIDE threads will be created.
SYNC_DEEP=10
SYNC_WIDE=8
def _get_secargs(is_secure):
if is_secure:
return SECURE_SECARGS
else:
return None
def remove_nonproto_fields(scenario):
"""Remove special-purpose that contains some extra info about the scenario
but don't belong to the ScenarioConfig protobuf message"""
scenario.pop('CATEGORIES', None)
scenario.pop('CLIENT_LANGUAGE', None)
scenario.pop('SERVER_LANGUAGE', None)
return scenario
def _ping_pong_scenario(name, rpc_type,
client_type, server_type,
secure=True,
use_generic_payload=False,
unconstrained_client=None,
client_language=None,
server_language=None,
server_core_limit=0,
async_server_threads=0,
warmup_seconds=WARMUP_SECONDS,
categories=[],
channels=None):
"""Creates a basic ping pong scenario."""
scenario = {
'name': name,
'num_servers': 1,
'num_clients': 1,
'client_config': {
'client_type': client_type,
'security_params': _get_secargs(secure),
'outstanding_rpcs_per_channel': 1,
'client_channels': 1,
'async_client_threads': 1,
'rpc_type': rpc_type,
'load_params': {
'closed_loop': {}
},
'histogram_params': HISTOGRAM_PARAMS,
},
'server_config': {
'server_type': server_type,
'security_params': _get_secargs(secure),
'core_limit': server_core_limit,
'async_server_threads': async_server_threads,
},
'warmup_seconds': warmup_seconds,
'benchmark_seconds': BENCHMARK_SECONDS
}
if use_generic_payload:
if server_type != 'ASYNC_GENERIC_SERVER':
raise Exception('Use ASYNC_GENERIC_SERVER for generic payload.')
scenario['client_config']['payload_config'] = EMPTY_GENERIC_PAYLOAD
scenario['server_config']['payload_config'] = EMPTY_GENERIC_PAYLOAD
else:
# For proto payload, only the client should get the config.
scenario['client_config']['payload_config'] = EMPTY_PROTO_PAYLOAD
if unconstrained_client:
if unconstrained_client == 'async':
deep = DEEP
wide = WIDE
elif unconstrained_client == 'sync':
deep = SYNC_DEEP
wide = SYNC_WIDE
else:
raise Exception('Illegal value of unconstrained_client option.')
scenario['num_clients'] = 0 # use as many client as available.
scenario['client_config']['outstanding_rpcs_per_channel'] = deep
scenario['client_config']['client_channels'] = wide
scenario['client_config']['async_client_threads'] = 0
else:
scenario['client_config']['outstanding_rpcs_per_channel'] = 1
scenario['client_config']['client_channels'] = 1
scenario['client_config']['async_client_threads'] = 1
if channels is not None:
scenario['client_config']['client_channels'] = channels
if client_language:
# the CLIENT_LANGUAGE field is recognized by run_performance_tests.py
scenario['CLIENT_LANGUAGE'] = client_language
if server_language:
# the SERVER_LANGUAGE field is recognized by run_performance_tests.py
scenario['SERVER_LANGUAGE'] = server_language
if categories:
scenario['CATEGORIES'] = categories
return scenario
class CXXLanguage:
def __init__(self):
self.safename = 'cxx'
def worker_cmdline(self):
return ['bins/opt/qps_worker']
def worker_port_offset(self):
return 0
def scenarios(self):
# TODO(ctiller): add 70% load latency test
for secure in [True, False]:
secstr = 'secure' if secure else 'insecure'
smoketest_categories = [SMOKETEST] if secure else []
yield _ping_pong_scenario(
'cpp_generic_async_streaming_ping_pong_%s' % secstr,
rpc_type='STREAMING',
client_type='ASYNC_CLIENT',
server_type='ASYNC_GENERIC_SERVER',
use_generic_payload=True, server_core_limit=1, async_server_threads=1,
secure=secure,
categories=smoketest_categories)
yield _ping_pong_scenario(
'cpp_generic_async_streaming_qps_unconstrained_%s' % secstr,
rpc_type='STREAMING',
client_type='ASYNC_CLIENT',
server_type='ASYNC_GENERIC_SERVER',
unconstrained_client='async', use_generic_payload=True,
secure=secure,
categories=smoketest_categories+[SCALABLE])
yield _ping_pong_scenario(
'cpp_generic_async_streaming_qps_one_server_core_%s' % secstr,
rpc_type='STREAMING',
client_type='ASYNC_CLIENT',
server_type='ASYNC_GENERIC_SERVER',
unconstrained_client='async', use_generic_payload=True,
server_core_limit=1, async_server_threads=1,
secure=secure)
for synchronicity in ['sync', 'async']:
yield _ping_pong_scenario(
'cpp_protobuf_%s_streaming_ping_pong_%s' % (synchronicity, secstr),
rpc_type='STREAMING',
client_type='%s_CLIENT' % synchronicity.upper(),
server_type='%s_SERVER' % synchronicity.upper(),
server_core_limit=1, async_server_threads=1,
secure=secure)
yield _ping_pong_scenario(
'cpp_protobuf_%s_unary_ping_pong_%s' % (synchronicity, secstr),
rpc_type='UNARY',
client_type='%s_CLIENT' % synchronicity.upper(),
server_type='%s_SERVER' % synchronicity.upper(),
server_core_limit=1, async_server_threads=1,
secure=secure,
categories=smoketest_categories)
yield _ping_pong_scenario(
'cpp_protobuf_%s_unary_qps_unconstrained_%s' % (synchronicity, secstr),
rpc_type='UNARY',
client_type='%s_CLIENT' % synchronicity.upper(),
server_type='%s_SERVER' % synchronicity.upper(),
unconstrained_client=synchronicity,
secure=secure,
categories=smoketest_categories+[SCALABLE])
yield _ping_pong_scenario(
'cpp_protobuf_%s_streaming_qps_unconstrained_%s' % (synchronicity, secstr),
rpc_type='STREAMING',
client_type='%s_CLIENT' % synchronicity.upper(),
server_type='%s_SERVER' % synchronicity.upper(),
unconstrained_client=synchronicity,
secure=secure,
categories=[SCALABLE])
for channels in [1, 3, 10, 31, 100, 316, 1000]:
yield _ping_pong_scenario(
'cpp_protobuf_async_unary_qps_unconstrained_%s_%d_channels' % (secstr, channels),
rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client=synchronicity, secure=secure,
categories=[SWEEP], channels=channels)
def __str__(self):
return 'c++'
class CSharpLanguage:
def __init__(self):
self.safename = str(self)
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_csharp.sh']
def worker_port_offset(self):
return 100
def scenarios(self):
yield _ping_pong_scenario(
'csharp_generic_async_streaming_ping_pong', rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
use_generic_payload=True,
categories=[SMOKETEST])
yield _ping_pong_scenario(
'csharp_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER')
yield _ping_pong_scenario(
'csharp_protobuf_async_unary_ping_pong', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
categories=[SMOKETEST])
yield _ping_pong_scenario(
'csharp_protobuf_sync_to_async_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER')
yield _ping_pong_scenario(
'csharp_protobuf_async_unary_qps_unconstrained', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async',
categories=[SMOKETEST,SCALABLE])
yield _ping_pong_scenario(
'csharp_protobuf_async_streaming_qps_unconstrained', rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async',
categories=[SCALABLE])
yield _ping_pong_scenario(
'csharp_to_cpp_protobuf_sync_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1,
categories=[SMOKETEST])
yield _ping_pong_scenario(
'csharp_to_cpp_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1)
yield _ping_pong_scenario(
'csharp_to_cpp_protobuf_async_unary_qps_unconstrained', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async', server_language='c++',
categories=[SCALABLE])
yield _ping_pong_scenario(
'csharp_to_cpp_protobuf_sync_to_async_unary_qps_unconstrained', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='sync', server_language='c++',
categories=[SCALABLE])
yield _ping_pong_scenario(
'cpp_to_csharp_protobuf_async_unary_qps_unconstrained', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async', client_language='c++',
categories=[SCALABLE])
def __str__(self):
return 'csharp'
class NodeLanguage:
def __init__(self):
pass
self.safename = str(self)
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_node.sh']
def worker_port_offset(self):
return 200
def scenarios(self):
# TODO(jtattermusch): make this scenario work
#yield _ping_pong_scenario(
# 'node_generic_async_streaming_ping_pong', rpc_type='STREAMING',
# client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
# use_generic_payload=True)
# TODO(jtattermusch): make this scenario work
#yield _ping_pong_scenario(
# 'node_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
# client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER')
yield _ping_pong_scenario(
'node_protobuf_unary_ping_pong', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
categories=[SMOKETEST])
yield _ping_pong_scenario(
'node_protobuf_async_unary_qps_unconstrained', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async',
categories=[SMOKETEST])
# TODO(jtattermusch): make this scenario work
#yield _ping_pong_scenario(
# 'node_protobuf_async_streaming_qps_unconstrained', rpc_type='STREAMING',
# client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
# unconstrained_client='async')
# TODO(jtattermusch): make this scenario work
#yield _ping_pong_scenario(
# 'node_to_cpp_protobuf_async_unary_ping_pong', rpc_type='UNARY',
# client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
# server_language='c++', server_core_limit=1, async_server_threads=1)
# TODO(jtattermusch): make this scenario work
#yield _ping_pong_scenario(
# 'node_to_cpp_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
# client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
# server_language='c++', server_core_limit=1, async_server_threads=1)
def __str__(self):
return 'node'
class PythonLanguage:
def __init__(self):
self.safename = 'python'
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_python.sh']
def worker_port_offset(self):
return 500
def scenarios(self):
yield _ping_pong_scenario(
'python_generic_sync_streaming_ping_pong', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
use_generic_payload=True,
categories=[SMOKETEST])
yield _ping_pong_scenario(
'python_protobuf_sync_streaming_ping_pong', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER')
yield _ping_pong_scenario(
'python_protobuf_async_unary_ping_pong', rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER')
yield _ping_pong_scenario(
'python_protobuf_sync_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
categories=[SMOKETEST])
yield _ping_pong_scenario(
'python_protobuf_sync_unary_qps_unconstrained', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='sync')
yield _ping_pong_scenario(
'python_protobuf_sync_streaming_qps_unconstrained', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='sync')
yield _ping_pong_scenario(
'python_to_cpp_protobuf_sync_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1,
categories=[SMOKETEST])
yield _ping_pong_scenario(
'python_to_cpp_protobuf_sync_streaming_ping_pong', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1)
def __str__(self):
return 'python'
class RubyLanguage:
def __init__(self):
pass
self.safename = str(self)
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_ruby.sh']
def worker_port_offset(self):
return 300
def scenarios(self):
yield _ping_pong_scenario(
'ruby_protobuf_sync_streaming_ping_pong', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
categories=[SMOKETEST])
yield _ping_pong_scenario(
'ruby_protobuf_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
categories=[SMOKETEST])
yield _ping_pong_scenario(
'ruby_protobuf_sync_unary_qps_unconstrained', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
unconstrained_client='sync')
yield _ping_pong_scenario(
'ruby_protobuf_sync_streaming_qps_unconstrained', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
unconstrained_client='sync')
yield _ping_pong_scenario(
'ruby_to_cpp_protobuf_sync_unary_ping_pong', rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1)
yield _ping_pong_scenario(
'ruby_to_cpp_protobuf_sync_streaming_ping_pong', rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
server_language='c++', server_core_limit=1, async_server_threads=1)
def __str__(self):
return 'ruby'
class JavaLanguage:
def __init__(self):
pass
self.safename = str(self)
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_java.sh']
def worker_port_offset(self):
return 400
def scenarios(self):
for secure in [True, False]:
secstr = 'secure' if secure else 'insecure'
smoketest_categories = [SMOKETEST] if secure else []
yield _ping_pong_scenario(
'java_generic_async_streaming_ping_pong_%s' % secstr, rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
use_generic_payload=True, async_server_threads=1,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS,
categories=smoketest_categories)
yield _ping_pong_scenario(
'java_protobuf_async_streaming_ping_pong_%s' % secstr, rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
async_server_threads=1,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS)
yield _ping_pong_scenario(
'java_protobuf_async_unary_ping_pong_%s' % secstr, rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
async_server_threads=1,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS,
categories=smoketest_categories)
yield _ping_pong_scenario(
'java_protobuf_unary_ping_pong_%s' % secstr, rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
async_server_threads=1,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS)
yield _ping_pong_scenario(
'java_protobuf_async_unary_qps_unconstrained_%s' % secstr, rpc_type='UNARY',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async',
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS,
categories=smoketest_categories+[SCALABLE])
yield _ping_pong_scenario(
'java_protobuf_async_streaming_qps_unconstrained_%s' % secstr, rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
unconstrained_client='async',
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS,
categories=[SCALABLE])
yield _ping_pong_scenario(
'java_generic_async_streaming_qps_unconstrained_%s' % secstr, rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
unconstrained_client='async', use_generic_payload=True,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS,
categories=[SCALABLE])
yield _ping_pong_scenario(
'java_generic_async_streaming_qps_one_server_core_%s' % secstr, rpc_type='STREAMING',
client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
unconstrained_client='async', use_generic_payload=True,
async_server_threads=1,
secure=secure, warmup_seconds=JAVA_WARMUP_SECONDS)
# TODO(jtattermusch): add scenarios java vs C++
def __str__(self):
return 'java'
class GoLanguage:
def __init__(self):
pass
self.safename = str(self)
def worker_cmdline(self):
return ['tools/run_tests/performance/run_worker_go.sh']
def worker_port_offset(self):
return 600
def scenarios(self):
for secure in [True, False]:
secstr = 'secure' if secure else 'insecure'
smoketest_categories = [SMOKETEST] if secure else []
# ASYNC_GENERIC_SERVER for Go actually uses a sync streaming server,
# but that's mostly because of lack of better name of the enum value.
yield _ping_pong_scenario(
'go_generic_sync_streaming_ping_pong_%s' % secstr, rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
use_generic_payload=True, async_server_threads=1,
secure=secure,
categories=smoketest_categories)
yield _ping_pong_scenario(
'go_protobuf_sync_streaming_ping_pong_%s' % secstr, rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
async_server_threads=1,
secure=secure)
yield _ping_pong_scenario(
'go_protobuf_sync_unary_ping_pong_%s' % secstr, rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
async_server_threads=1,
secure=secure,
categories=smoketest_categories)
# unconstrained_client='async' is intended (client uses goroutines)
yield _ping_pong_scenario(
'go_protobuf_sync_unary_qps_unconstrained_%s' % secstr, rpc_type='UNARY',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
unconstrained_client='async',
secure=secure,
categories=smoketest_categories+[SCALABLE])
# unconstrained_client='async' is intended (client uses goroutines)
yield _ping_pong_scenario(
'go_protobuf_sync_streaming_qps_unconstrained_%s' % secstr, rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='SYNC_SERVER',
unconstrained_client='async',
secure=secure,
categories=[SCALABLE])
# unconstrained_client='async' is intended (client uses goroutines)
# ASYNC_GENERIC_SERVER for Go actually uses a sync streaming server,
# but that's mostly because of lack of better name of the enum value.
yield _ping_pong_scenario(
'go_generic_sync_streaming_qps_unconstrained_%s' % secstr, rpc_type='STREAMING',
client_type='SYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
unconstrained_client='async', use_generic_payload=True,
secure=secure,
categories=[SCALABLE])
# TODO(jtattermusch): add scenarios go vs C++
def __str__(self):
return 'go'
LANGUAGES = {
'c++' : CXXLanguage(),
'csharp' : CSharpLanguage(),
'node' : NodeLanguage(),
'ruby' : RubyLanguage(),
'java' : JavaLanguage(),
'python' : PythonLanguage(),
'go' : GoLanguage(),
}