Netdata.cloud bot for Zulip
1"""Configuration management for the Netdata Zulip bot."""
2
3import os
4from pathlib import Path
5from typing import Optional
6
7import structlog
8from dotenv import load_dotenv
9
10from .models import ZulipConfig, ServerConfig
11
12logger = structlog.get_logger()
13
14
15def load_config() -> tuple[ZulipConfig, ServerConfig]:
16 """Load configuration from environment variables and .env files."""
17
18 # Load .env file if present
19 env_file = Path(".env")
20 if env_file.exists():
21 load_dotenv(env_file)
22 logger.info("Loaded configuration from .env file")
23
24 # Load Zulip configuration
25 zulip_config = ZulipConfig(
26 site=os.getenv("ZULIP_SITE", ""),
27 email=os.getenv("ZULIP_EMAIL", ""),
28 api_key=os.getenv("ZULIP_API_KEY", ""),
29 stream=os.getenv("ZULIP_STREAM", "netdata-alerts"),
30 )
31
32 # Validate required Zulip settings
33 if not all([zulip_config.site, zulip_config.email, zulip_config.api_key]):
34 raise ValueError(
35 "Missing required Zulip configuration. Please set ZULIP_SITE, "
36 "ZULIP_EMAIL, and ZULIP_API_KEY environment variables."
37 )
38
39 # Load server configuration
40 server_config = ServerConfig(
41 host=os.getenv("SERVER_HOST", "0.0.0.0"),
42 port=int(os.getenv("SERVER_PORT", "8443")),
43 domain=os.getenv("SERVER_DOMAIN", ""),
44 cert_path=os.getenv("SERVER_CERT_PATH", "/etc/letsencrypt/live"),
45 enable_mtls=os.getenv("SERVER_ENABLE_MTLS", "true").lower() == "true",
46 client_ca_path=os.getenv("SERVER_CLIENT_CA_PATH"),
47 )
48
49 # Validate required server settings
50 if not server_config.domain:
51 raise ValueError(
52 "Missing required server configuration. Please set SERVER_DOMAIN "
53 "environment variable."
54 )
55
56 logger.info(
57 "Configuration loaded",
58 zulip_site=zulip_config.site,
59 zulip_email=zulip_config.email,
60 zulip_stream=zulip_config.stream,
61 server_host=server_config.host,
62 server_port=server_config.port,
63 server_domain=server_config.domain,
64 mtls_enabled=server_config.enable_mtls,
65 )
66
67 return zulip_config, server_config
68
69
70def load_zuliprc_config(zuliprc_path: Optional[str] = None) -> ZulipConfig:
71 """Load Zulip configuration from a zuliprc file.
72
73 Args:
74 zuliprc_path: Path to zuliprc file. If None, looks for ~/.zuliprc
75
76 Returns:
77 ZulipConfig instance
78 """
79 if zuliprc_path is None:
80 zuliprc_path = Path.home() / ".zuliprc"
81 else:
82 zuliprc_path = Path(zuliprc_path)
83
84 if not zuliprc_path.exists():
85 raise FileNotFoundError(f"Zuliprc file not found: {zuliprc_path}")
86
87 config = {}
88 with open(zuliprc_path, 'r') as f:
89 for line in f:
90 line = line.strip()
91 if line and not line.startswith('#') and '=' in line:
92 key, value = line.split('=', 1)
93 config[key.strip()] = value.strip()
94
95 # Map zuliprc keys to our config
96 zulip_config = ZulipConfig(
97 site=config.get('site', ''),
98 email=config.get('email', ''),
99 api_key=config.get('key', ''),
100 stream=config.get('stream', 'netdata-alerts'),
101 )
102
103 logger.info(
104 "Loaded Zulip configuration from zuliprc",
105 path=str(zuliprc_path),
106 site=zulip_config.site,
107 email=zulip_config.email,
108 stream=zulip_config.stream
109 )
110
111 return zulip_config