feat: Initial code

collectors/nginx_from_agent.py

@@ -0,0 +1,80 @@
+from typing import Dict, List
+
+import requests
+
+from config import AppConfig
+from .base import BaseCollector, CollectionResult
+
+
+class NginxFromAgentCollector(BaseCollector):
+    source_name = "nginx"
+
+    def __init__(self, config: AppConfig):
+        self.config = config
+
+    def collect(self) -> CollectionResult:
+        if not self.config.docker_agent_endpoints:
+            return CollectionResult(source=self.source_name, assets=[], status="skipped", error="No DOCKER_AGENT_ENDPOINTS configured")
+
+        headers = {"Accept": "application/json"}
+        if self.config.docker_agent_token:
+            headers["Authorization"] = f"Bearer {self.config.docker_agent_token}"
+
+        assets: List[Dict] = []
+        errors: List[str] = []
+
+        for endpoint in self.config.docker_agent_endpoints:
+            base = endpoint.rstrip("/")
+            try:
+                resp = requests.get(
+                    f"{base}/api/v1/nginx-configs",
+                    headers=headers,
+                    timeout=self.config.request_timeout_seconds,
+                )
+                resp.raise_for_status()
+                payload = resp.json()
+                configs = payload.get("configs", []) if isinstance(payload, dict) else []
+
+                for config in configs:
+                    path = config.get("path", "unknown.conf")
+                    server_names = config.get("server_names", []) or []
+                    listens = config.get("listens", []) or []
+                    proxy_pass = config.get("proxy_pass", []) or []
+                    proxy_pass_resolved = config.get("proxy_pass_resolved", []) or []
+                    upstreams = config.get("upstreams", []) or []
+                    upstream_servers = config.get("upstream_servers", []) or []
+                    inferred_targets = config.get("inferred_targets", []) or []
+
+                    if not server_names:
+                        server_names = [path]
+
+                    for server_name in server_names:
+                        assets.append(
+                            {
+                                "asset_type": "nginx_site",
+                                "external_id": f"{endpoint}:{path}:{server_name}",
+                                "name": server_name,
+                                "hostname": server_name,
+                                "status": "configured",
+                                "ip_addresses": [],
+                                "node": endpoint,
+                                "metadata": {
+                                    "path": path,
+                                    "listens": listens,
+                                    "proxy_pass": proxy_pass,
+                                    "proxy_pass_resolved": proxy_pass_resolved,
+                                    "upstreams": upstreams,
+                                    "upstream_servers": upstream_servers,
+                                    "inferred_targets": inferred_targets,
+                                    "collected_via": "docker-agent-nginx",
+                                },
+                            }
+                        )
+            except Exception as exc:
+                errors.append(f"{endpoint}: {exc}")
+
+        if errors and not assets:
+            return CollectionResult(source=self.source_name, assets=[], status="error", error=" | ".join(errors))
+        if errors:
+            return CollectionResult(source=self.source_name, assets=assets, status="degraded", error=" | ".join(errors))
+        return CollectionResult(source=self.source_name, assets=assets, status="ok")