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Load testing #175

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Oct 10, 2023
Merged

Load testing #175

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318 changes: 318 additions & 0 deletions scripts/load_testing.py
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Original file line number Diff line number Diff line change
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#! /usr/bin/python3
import json
import os, stat, time
import urllib3
import shutil
import random
import string
from tqdm import tqdm

def main():
start = time.time()
SERVAL_AUTH_URL = os.environ.get("SERVAL_AUTH_URL")
SERVAL_CLIENT_ID = os.environ.get("SERVAL_CLIENT_ID")
SERVAL_CLIENT_SECRET = os.environ.get("SERVAL_CLIENT_SECRET")
REQUESTS_PER_SECOND = 5
NUM_CONCURRENT_CONNECTIONS = 20
NUM_NMT_ENGINES_TO_ADD = 10_000
NUM_SMT_ENGINES_TO_ADD = 500

base_url = "localhost" #"https://qa-int.serval-api.org"

urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

print('Fetching authorization token...')
data = {
"client_id": f"{SERVAL_CLIENT_ID}",
"client_secret":f"{SERVAL_CLIENT_SECRET}",
"audience":"https://machine.sil.org",
"grant_type":"client_credentials"
}

encoded_data = json.dumps(data).encode('utf-8')

http = urllib3.PoolManager() #Use the following parameters if base_url is not localhost: cert_reqs='CERT_NONE', assert_hostname=False
r:urllib3.response.HTTPResponse =http.request(
'POST',
f'{SERVAL_AUTH_URL}/oauth/token',
body=encoded_data,
headers={"content-type": "application/json"}
)
access_token = json.loads(r.data.decode('utf-8'))['access_token']

src_id = ""
trg_id = ""

print('Setting up bombardier...')
bombardier_path_to_exe = 'load_testing_data/bombardier-linux-amd64'
if not os.path.exists(bombardier_path_to_exe):
with http.request('GET', 'https://github.com/codesenberg/bombardier/releases/download/v1.2.6/bombardier-linux-amd64', preload_content=False) as r, open(bombardier_path_to_exe, 'wb') as out_file:
shutil.copyfileobj(r, out_file)

os.chmod(bombardier_path_to_exe, mode=stat.S_IXUSR)
try:
print('Bombarding get all translation engines endpoint...')
os.system(
"./"
+ bombardier_path_to_exe
+ f' --print r -k -l -d 60s -r {REQUESTS_PER_SECOND} -c {NUM_CONCURRENT_CONNECTIONS} -H "authorization: Bearer {access_token}" -H "accept: application/json" -m "GET" "{base_url}/api/v1/translation/engines"')

print("Posting engines to DB...")
nmt_engine_ids:set[str] = set()
smt_engine_ids:set[str] = set()
def post_nmt_engine():
r:urllib3.response.HTTPResponse =http.request(
'POST',
f'{base_url}/api/v1/translation/engines',
body = json.dumps({"name": "load_testing_engine", "targetLanguage": "en_Latn", "sourceLanguage" : "ell_Grek", "type":"Nmt"}).encode('utf-8'),
headers={"content-type": "application/json", "accept":"application/json", "authorization" : f"Bearer {access_token}"}
)
nmt_engine_ids.add(json.loads(r.data.decode('utf-8'))['id'])

print("Posting NMT")
for _ in tqdm(range(NUM_NMT_ENGINES_TO_ADD)):
post_nmt_engine()

def post_smt_engine():
r:urllib3.response.HTTPResponse =http.request(
'POST',
f'{base_url}/api/v1/translation/engines',
body = json.dumps({"name": "load_testing_engine", "targetLanguage": "en_Latn", "sourceLanguage" : "ell_Grek", "type":"SmtTransfer"}).encode('utf-8'),
headers={"content-type": "application/json", "accept":"application/json", "authorization" : f"Bearer {access_token}"}
)
smt_engine_ids.add(json.loads(r.data.decode('utf-8'))['id'])

print("Posting SMT")
for _ in tqdm(range(NUM_SMT_ENGINES_TO_ADD)):
post_smt_engine()

#use bombadier get
print('Bombarding get all translation engines endpoint after adding docs...')
os.system(
"./"
+ bombardier_path_to_exe
+ f' --print r -k -l -d 60s -r {REQUESTS_PER_SECOND} -c {NUM_CONCURRENT_CONNECTIONS} -H "authorization: Bearer {access_token}" -H "accept: application/json" -m "GET" "{base_url}/api/v1/translation/engines"')
#add necessary files
print('Adding corpus to smt engine...')
with open('load_testing_data/testsrc.txt', 'r') as src_file:
src_data = src_file.read()
r:urllib3.response.HTTPResponse =http.request_encode_body(
'POST',
f'{base_url}/api/v1/files',
fields={
'file': ('testsrc.txt', src_data, 'text/plain'),
'format':'Text'
},
headers={'accept' : 'application/json', "authorization" : f"Bearer {access_token}"},
encode_multipart=True
)
src_id = json.loads(r.data.decode('utf-8'))['id']

with open('load_testing_data/testtarg.txt', 'r') as targ_file:
targ_data = targ_file.read()
r:urllib3.response.HTTPResponse =http.request(
'POST',
f'{base_url}/api/v1/files',
fields={'file':('testtarg.txt', targ_data, 'text/plain'), 'format':'Text'},
headers={'accept': 'application/json', "authorization" : f"Bearer {access_token}"}
)
trg_id = json.loads(r.data.decode('utf-8'))['id']

print("Building an SMT engine for bombardment...")
#add corpora and build an smt
smt_id = list(smt_engine_ids)[0]
http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{smt_id}/corpora',
body=json.dumps(
{
"sourceLanguage":"ell_Grek",
"targetLanguage":"en_Latn",
"sourceFiles":
[
{
"fileId" : src_id,
"textId":"all"
}
],
"targetFiles":
[
{
"fileId" : trg_id,
"textId":"all"
}
]
}).encode('utf-8'),
headers={'content-type':'application/json', 'accept': 'application/json', "authorization" : f"Bearer {access_token}"}
)
# corpus_id = json.loads(r.data.decode('utf-8'))['id']
r:urllib3.response.HTTPResponse = http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{smt_id}/builds',
body=json.dumps({}).encode('utf-8'),
headers={"authorization" : f"Bearer {access_token}", 'content-type':'application/json'}
)

#waiting for build
is_built = False
retry_index = 0
while not is_built:
r:urllib3.response.HTTPResponse = http.request(
'GET',
f'{base_url}/api/v1/translation/engines/{smt_id}/current-build',
headers={"authorization" : f"Bearer {access_token}"}
)
is_built = r.status == 204
if r.status//100 != 2:
raise Exception(f"Received response of {r.status} while trying to build engine; cannot continue testing!")
if retry_index > 15:
r:urllib3.response.HTTPResponse = http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{smt_id}/current-build/cancel',
headers={"authorization" : f"Bearer {access_token}"}
)

print("Engine is taking too long to build to continue testing. Cancelling build...")
raise Exception("Engine is taking too long to build to continue testing. Cancelling build...")
time.sleep(60 if retry_index == 0 else 20*retry_index)
retry_index += 1

segment_file_name = "".join(random.choices(string.ascii_letters, k=24)) + '.json'
f = open(segment_file_name, 'w', encoding='utf-8')
f.write(json.dumps("Βίβλος γενέσεως Ἰησοῦ Χριστοῦ"))
f.flush()
f.close()

#bombard get word graph
print("Bombarding word graph endpoint...")
os.system(
"./"
+ bombardier_path_to_exe
+ f' --print r -k -l -d 60s -r {REQUESTS_PER_SECOND} -c {NUM_CONCURRENT_CONNECTIONS} -H "authorization: Bearer {access_token}" -H "accept: application/json" -H "content-type: application/json" -m "POST" "{base_url}/api/v1/translation/engines/{smt_id}/get-word-graph" '
+ f'-f "{segment_file_name}"'
)

os.remove(segment_file_name)

nmt_id = list(nmt_engine_ids)[0]

print("Building NMT engine...")
r:urllib3.response.HTTPResponse = http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{nmt_id}/corpora',
body=json.dumps(
{
"sourceLanguage":"ell_Grek",
"targetLanguage":"en_Latn",
"sourceFiles":
[
{
"fileId" : src_id,
"textId":"all"
}
],
"targetFiles":
[
{
"fileId" : trg_id,
"textId":"all"
}
]
}).encode('utf-8'),
headers={'content-type':'application/json', 'accept': 'application/json', "authorization" : f"Bearer {access_token}"}
)

corpus_id = json.loads(r.data.decode('utf-8'))['id']

r:urllib3.response.HTTPResponse = http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{nmt_id}/builds',
body=json.dumps(
{
"pretranslate" : [
{
"corpusId": corpus_id,
"textIds": [
"all"
]
}
],
"options":"{\"max_steps\":10}"
}
),
headers={"authorization" : f"Bearer {access_token}", 'content-type':'application/json'}
)

#waiting for build
is_built = False
retry_index = 0
while not is_built:
r:urllib3.response.HTTPResponse = http.request(
'GET',
f'{base_url}/api/v1/translation/engines/{nmt_id}/current-build',
headers={"authorization" : f"Bearer {access_token}"}
)
is_built = r.status == 204
if r.status//100 != 2:
raise Exception(f"Received response of {r.status} while trying to build engine; cannot continue testing!")
if retry_index > 15:
print("Engine is taking too long to build to continue testing. Cancelling build...")
r:urllib3.response.HTTPResponse = http.request(
'POST',
f'{base_url}/api/v1/translation/engines/{nmt_id}/current-build/cancel',
headers={"authorization" : f"Bearer {access_token}"}
)
raise Exception("Engine is taking too long to build to continue testing. Cancelling build...")
time.sleep(240 if retry_index == 0 else 60*retry_index)
retry_index += 1

print("Bombarding pretranslation endpoint...")
#bombard get pretrans
os.system(
"./"
+ bombardier_path_to_exe
+ f' --print r -k -l -d 60s -r {REQUESTS_PER_SECOND} -c {NUM_CONCURRENT_CONNECTIONS} -H "authorization: Bearer {access_token}" -H "accept: application/json" -m "GET" "{base_url}/api/v1/translation/engines/{nmt_id}/corpora/{corpus_id}/pretranslations" '
)
except Exception as e:
print("Something went wrong:", str(e) if str(e) != "" else "[No information]")
finally:
#cleanup files, smt, nmt, bombardier
print('Cleaning up...')
print('Deleting added translation engines...')
def delete_engine(engine_id):
r:urllib3.response.HTTPResponse =http.request(
'DELETE',
f'{base_url}/api/v1/translation/engines/{engine_id}',
body = json.dumps({"id":engine_id}).encode('utf-8'),
headers={"content-type": "application/json", "authorization" : f"Bearer {access_token}"}
)
if(r.status != 200):
print(f"Failed to delete engine {engine_id}")

for engine_id in tqdm(nmt_engine_ids):
delete_engine(engine_id)
for engine_id in tqdm(smt_engine_ids):
delete_engine(engine_id)

r:urllib3.response.HTTPResponse =http.request(
'DELETE',
f'{base_url}/api/v1/files/{src_id}',
headers={"content-type": "application/json", "authorization" : f"Bearer {access_token}"}
)
if(r.status != 200):
print(f"Failed to delete file {src_id}")

r:urllib3.response.HTTPResponse =http.request(
'DELETE',
f'{base_url}/api/v1/files/{trg_id}',
headers={"content-type": "application/json", "authorization" : f"Bearer {access_token}"}
)
if(r.status != 200):
print(f"Failed to delete file {trg_id}")


os.remove(bombardier_path_to_exe)
print("Finished testing in", round((time.time()-start)/60, 2), "minutes.")

if __name__ == "__main__":
main()
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