BGP-Ranking/bin/run_backend.py

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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
from bgpranking.libs.helpers import get_homedir, check_running
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from subprocess import Popen
import time
from pathlib import Path
import argparse
def launch_cache(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
if not check_running('ris') and not check_running('prefixes'):
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Popen(["./run_redis.sh"], cwd=(storage_directory / 'cache'))
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def shutdown_cache(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
Popen(["./shutdown_redis.sh"], cwd=(storage_directory / 'cache'))
def launch_temp(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
if not check_running('intake') and not check_running('prepare'):
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Popen(["./run_redis.sh"], cwd=(storage_directory / 'temp'))
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def shutdown_temp(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
Popen(["./shutdown_redis.sh"], cwd=(storage_directory / 'temp'))
def launch_storage(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
if not check_running('storage'):
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Popen(["./run_ardb.sh"], cwd=(storage_directory / 'storage'))
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def shutdown_storage(storage_directory: Path=None):
if not storage_directory:
storage_directory = get_homedir()
Popen(["./shutdown_ardb.sh"], cwd=(storage_directory / 'storage'))
def launch_all():
launch_cache()
launch_temp()
launch_storage()
def check_all(stop=False):
backends = [['ris', False], ['prefixes', False], ['storage', False],
['intake', False], ['prepare', False]]
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while True:
for b in backends:
try:
b[1] = check_running(b[0])
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except Exception:
b[1] = False
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if stop:
if not any(b[1] for b in backends):
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break
else:
if all(b[1] for b in backends):
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break
for b in backends:
if not stop and not b[1]:
print(f"Waiting on {b[0]}")
if stop and b[1]:
print(f"Waiting on {b[0]}")
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time.sleep(1)
def stop_all():
shutdown_cache()
shutdown_temp()
shutdown_storage()
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Manage backend DBs.')
parser.add_argument("--start", action='store_true', default=False, help="Start all")
parser.add_argument("--stop", action='store_true', default=False, help="Stop all")
parser.add_argument("--status", action='store_true', default=True, help="Show status")
args = parser.parse_args()
if args.start:
launch_all()
if args.stop:
stop_all()
if not args.stop and args.status:
check_all()