mirror of https://github.com/zulip/zulip.git
57 lines
2.2 KiB
Python
Executable File
57 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import json
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
from typing import Any, Dict
|
|
|
|
BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
|
|
sys.path.append(BASE_DIR)
|
|
from scripts.lib.setup_path import setup_path
|
|
|
|
setup_path()
|
|
|
|
from scripts.lib.zulip_tools import get_config_file
|
|
|
|
|
|
def write_realm_nginx_config_line(f: Any, host: str, port: str) -> None:
|
|
f.write(f"""if ($host = '{host}') {{
|
|
set $tornado_server http://tornado{port};
|
|
}}\n""")
|
|
|
|
# Basic system to do Tornado sharding. Writes two output .tmp files that need
|
|
# to be renamed to the following files to finalize the changes:
|
|
# * /etc/zulip/nginx_sharding.conf; nginx needs to be reloaded after changing.
|
|
# * /etc/zulip/sharding.json; supervisor Django process needs to be reloaded
|
|
# after changing. TODO: We can probably make this live-reload by statting the file.
|
|
#
|
|
# TODO: Restructure this to automatically generate a sharding layout.
|
|
with open('/etc/zulip/nginx_sharding.conf.tmp', 'w') as nginx_sharding_conf_f, \
|
|
open('/etc/zulip/sharding.json.tmp', 'w') as sharding_json_f:
|
|
|
|
config_file = get_config_file()
|
|
if not config_file.has_section("tornado_sharding"):
|
|
nginx_sharding_conf_f.write("set $tornado_server http://tornado;\n")
|
|
sharding_json_f.write('{}\n')
|
|
sys.exit(0)
|
|
|
|
nginx_sharding_conf_f.write("set $tornado_server http://tornado9800;\n")
|
|
shard_map: Dict[str, int] = {}
|
|
external_host = subprocess.check_output([os.path.join(BASE_DIR, 'scripts/get-django-setting'),
|
|
'EXTERNAL_HOST'],
|
|
universal_newlines=True).strip()
|
|
for port in config_file["tornado_sharding"]:
|
|
shards = config_file["tornado_sharding"][port].strip().split(' ')
|
|
|
|
for shard in shards:
|
|
if '.' in shard:
|
|
host = shard
|
|
else:
|
|
host = f"{shard}.{external_host}"
|
|
assert host not in shard_map, f"host {host} duplicated"
|
|
shard_map[host] = int(port)
|
|
write_realm_nginx_config_line(nginx_sharding_conf_f, host, port)
|
|
nginx_sharding_conf_f.write('\n')
|
|
|
|
sharding_json_f.write(json.dumps(shard_map) + '\n')
|