dev_1.0.0_yuyr_2：重新提交 PR，增加 master/agent 以及系统集成测试 (#17)

Reviewed-on: #17
Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn>
Reviewed-by: xuxt <xuxt@zgclab.edu.cn>

src/agent/app/config.py

@@ -0,0 +1,74 @@
+from __future__ import annotations
+
+import os
+import socket
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Final
+
+from .version import VERSION
+
+DEFAULT_REPORT_INTERVAL_SECONDS: Final[int] = 60
+
+
+@dataclass(frozen=True)
+class AgentConfig:
+    hostname: str
+    node_file: str
+    version: str
+    master_endpoint: str
+    report_interval_seconds: int
+    health_dir: str
+    request_timeout_seconds: int = 10
+
+
+def _normalise_master_endpoint(value: str) -> str:
+    value = value.strip()
+    if not value:
+        raise ValueError("MASTER_ENDPOINT environment variable is required")
+    if not value.startswith("http://") and not value.startswith("https://"):
+        value = f"http://{value}"
+    return value.rstrip("/")
+
+
+def _read_report_interval(raw_value: str | None) -> int:
+    if raw_value is None or raw_value.strip() == "":
+        return DEFAULT_REPORT_INTERVAL_SECONDS
+    try:
+        interval = int(raw_value)
+    except ValueError as exc:
+        raise ValueError("REPORT_INTERVAL_SECONDS must be an integer") from exc
+    if interval <= 0:
+        raise ValueError("REPORT_INTERVAL_SECONDS must be positive")
+    return interval
+
+
+def _resolve_hostname() -> str:
+    return os.environ.get("AGENT_HOSTNAME") or socket.gethostname()
+
+
+def load_config() -> AgentConfig:
+    """从环境变量推导配置，移除了外部配置文件依赖。"""
+
+    hostname = _resolve_hostname()
+    node_file = f"/private/argus/agent/{hostname}/node.json"
+    health_dir = f"/private/argus/agent/{hostname}/health/"
+
+    master_endpoint_env = os.environ.get("MASTER_ENDPOINT")
+    if master_endpoint_env is None:
+        raise ValueError("MASTER_ENDPOINT environment variable is not set")
+    master_endpoint = _normalise_master_endpoint(master_endpoint_env)
+
+    report_interval_seconds = _read_report_interval(os.environ.get("REPORT_INTERVAL_SECONDS"))
+
+    Path(node_file).parent.mkdir(parents=True, exist_ok=True)
+    Path(health_dir).mkdir(parents=True, exist_ok=True)
+
+    return AgentConfig(
+        hostname=hostname,
+        node_file=node_file,
+        version=VERSION,
+        master_endpoint=master_endpoint,
+        report_interval_seconds=report_interval_seconds,
+        health_dir=health_dir,
+    )