fediverse/getpeers.py

138 líneas
3,3 KiB
Python

import os
import sys
import time
from datetime import datetime
import requests
import json
import psycopg2
import ray
ray.init(num_cpus = 32) # Specify this system CPUs.
def write_servers(world_servers):
i = 0
while i < len(world_servers):
insert_sql = "INSERT INTO world(server, federated_with, updated_at, saved_at) VALUES(%s,%s,%s,%s) ON CONFLICT DO NOTHING"
conn = None
try:
conn = psycopg2.connect(database = fediverse_db, user = fediverse_db_user, password = "", host = "/var/run/postgresql", port = "5432")
cur = conn.cursor()
cur.execute(insert_sql, (world_servers[i], peer, now, now,))
print(f'writing to database {str(i)} of {str(len(world_servers))}: {world_servers[i]}')
conn.commit()
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
i += 1
@ray.remote
def get_peers(peer):
try:
user_agent = {'User-agent': "fediverse's stats (fediverse@mastodont.cat)"}
response = requests.get('https://' + peer + peers_api, headers = user_agent, timeout=3)
response_json = response.json()
if response.status_code == 200:
try:
print(f"Server: {peer}, federated with {str(len(response_json))} servers")
for peer_peer in response_json:
exist_count = world_peers.count(peer_peer)
if exist_count == 0:
world_peers.append(peer_peer)
except:
pass
except:
pass
def get_parameter( parameter, file_path ):
# Check if secrets file exists
if not os.path.isfile(file_path):
print("File %s not found, exiting."%file_path)
sys.exit(0)
# Find parameter in file
with open( file_path ) as f:
for line in f:
if line.startswith( parameter ):
return line.replace(parameter + ":", "").strip()
# Cannot find parameter, exit
print(file_path + " Missing parameter %s "%parameter)
sys.exit(0)
###############################################################################
# main
if __name__ == '__main__':
now = datetime.now()
peers_api = '/api/v1/instance/peers?'
# Load configuration from config file
config_filepath = "config/config.txt"
mastodon_hostname = get_parameter("mastodon_hostname", config_filepath)
# Load database config from db_config file
db_config_filepath = "config/db_config.txt"
fediverse_db = get_parameter("fediverse_db", db_config_filepath)
fediverse_db_user = get_parameter("fediverse_db_user", db_config_filepath)
world_peers = []
user_agent = {'User-agent': "fediverse's stats (fediverse@mastodont.cat)"}
res = requests.get('https://' + mastodon_hostname + peers_api, headers = user_agent, timeout=3)
hostname_peers = res.json()
for peer in hostname_peers:
exist_count = world_peers.count(peer)
if exist_count == 0:
world_peers.append(peer)
start = time.time()
results = ray.get([get_peers.remote(server) for server in hostname_peers])
print(f"duration = {time.time() - start}.\nprocessed servers: {len(results)}")
write_servers(world_peers)