wallet server metabase analytics script

This commit is contained in:
Lex Berezhny 2019-08-05 09:23:47 -04:00
parent 9a79b71d9f
commit a58ed6f331

View file

@ -0,0 +1,216 @@
import sys
import json
import asyncio
import argparse
from datetime import datetime
try:
import aiohttp
import psycopg2
except ImportError:
print(f"To run {sys.argv[0]} you need to install aiohttp and psycopg2:")
print(f"")
print(f" $ pip install aiohttp psycopg2")
print("")
sys.exit(1)
if not sys.version_info >= (3, 7):
print("Please use Python 3.7 or higher, this script expects that dictionary keys preserve order.")
sys.exit(1)
async def monitor(db, server):
c = db.cursor()
async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(10)) as session:
try:
ws = await session.ws_connect(server)
except (aiohttp.ClientConnectorError, asyncio.TimeoutError):
print(f"failed connecting to {server}")
return
print(f"connected to {server}")
async for msg in ws:
r = json.loads(msg.data)
c.execute("""
INSERT INTO wallet_server_stats (server, sessions, event_time) VALUES (%s,%s,%s);
""", (server, r['status']['sessions'], datetime.now()))
for command, stats in r["api"].items():
data = {
'server': server,
'command': command,
'event_time': datetime.now()
}
for key, value in stats.items():
if key.endswith("_queries"):
continue
if isinstance(value, list):
data.update({
key+'_avg': value[0],
key+'_min': value[1],
key+'_five': value[2],
key+'_twenty_five': value[3],
key+'_fifty': value[4],
key+'_seventy_five': value[5],
key+'_ninety_five': value[6],
key+'_max': value[7],
})
else:
data[key] = value
c.execute(f"""
INSERT INTO wallet_server_command_stats ({','.join(data)})
VALUES ({','.join('%s' for _ in data)});
""", list(data.values()))
db.commit()
async def main(dsn, servers):
db = ensure_database(dsn)
await asyncio.gather(*(
asyncio.create_task(monitor(db, server))
for server in servers
))
def ensure_database(dsn):
db = psycopg2.connect(**dsn)
c = db.cursor()
c.execute("SELECT to_regclass('wallet_server_stats');")
if c.fetchone()[0] is None:
print("creating table 'wallet_server_stats'...")
c.execute("""
CREATE TABLE wallet_server_stats (
server text,
sessions integer,
event_time timestamp
);
""")
print("creating table 'wallet_server_command_stats'...")
c.execute("""
CREATE TABLE wallet_server_command_stats (
server text,
command text,
event_time timestamp,
-- total requests received during event window
receive_count integer,
-- sum of these is total responses made
cache_response_count integer,
query_response_count integer,
intrp_response_count integer,
error_response_count integer,
-- millisecond timings for non-cache responses (response_*, interrupt_*, error_*)
response_avg float,
response_min float,
response_five float,
response_twenty_five float,
response_fifty float,
response_seventy_five float,
response_ninety_five float,
response_max float,
interrupt_avg float,
interrupt_min float,
interrupt_five float,
interrupt_twenty_five float,
interrupt_fifty float,
interrupt_seventy_five float,
interrupt_ninety_five float,
interrupt_max float,
error_avg float,
error_min float,
error_five float,
error_twenty_five float,
error_fifty float,
error_seventy_five float,
error_ninety_five float,
error_max float,
-- response, interrupt and error each also report the python, wait and sql stats
python_avg float,
python_min float,
python_five float,
python_twenty_five float,
python_fifty float,
python_seventy_five float,
python_ninety_five float,
python_max float,
wait_avg float,
wait_min float,
wait_five float,
wait_twenty_five float,
wait_fifty float,
wait_seventy_five float,
wait_ninety_five float,
wait_max float,
sql_avg float,
sql_min float,
sql_five float,
sql_twenty_five float,
sql_fifty float,
sql_seventy_five float,
sql_ninety_five float,
sql_max float,
-- extended timings for individual sql executions
individual_sql_avg float,
individual_sql_min float,
individual_sql_five float,
individual_sql_twenty_five float,
individual_sql_fifty float,
individual_sql_seventy_five float,
individual_sql_ninety_five float,
individual_sql_max float,
individual_sql_count integer
);
""")
db.commit()
return db
def get_dsn(args):
dsn = {}
for attr in ('dbname', 'user', 'password', 'host', 'port'):
value = getattr(args, f'pg_{attr}')
if value:
dsn[attr] = value
return dsn
def get_servers(args):
if '..' in args.server_range:
start, end = args.server_range.split('..')
else:
start = end = args.server_range
return [
args.server_url.format(i)
for i in range(int(start), int(end)+1)
]
def get_args():
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("--pg-dbname", default="analytics", help="PostgreSQL database name")
parser.add_argument("--pg-user", help="PostgreSQL username")
parser.add_argument("--pg-password", help="PostgreSQL password")
parser.add_argument("--pg-host", default="localhost", help="PostgreSQL host")
parser.add_argument("--pg-port", default="5432", help="PostgreSQL port")
parser.add_argument("--server-url", default="http://spv{}.lbry.com:50005", help="URL with '{}' placeholder")
parser.add_argument("--server-range", default="1..5", help="Range of numbers or single number to use in URL placeholder")
return parser.parse_args()
if __name__ == "__main__":
args = get_args()
asyncio.run(main(get_dsn(args), get_servers(args)))