Add nginx config parsing utilities

tests/test_nginx_config.py

@@ -0,0 +1,70 @@
+import sys
+from pathlib import Path
+import pytest
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+sys.path.append(str(REPO_ROOT))
+from scripts import nginx_config as nc
+
+
+def test_discover_configs(tmp_path, monkeypatch):
+    root = tmp_path / "nginx"
+    root.mkdir()
+    conf_d = root / "conf.d"
+    conf_d.mkdir()
+    subdir = root / "sub"
+    subdir.mkdir()
+
+    main = root / "nginx.conf"
+    site = conf_d / "site.conf"
+    extra = root / "extra.conf"
+    nested = subdir / "foo.conf"
+
+    main.write_text("include conf.d/*.conf;\ninclude extra.conf;\n")
+    site.write_text("# site config\n")
+    extra.write_text("include sub/foo.conf;\n")
+    nested.write_text("# nested config\n")
+
+    monkeypatch.setattr(nc, "DEFAULT_PATHS", [str(main)])
+    found = nc.discover_configs()
+
+    assert found == {main, site, extra, nested}
+
+
+def test_parse_servers(tmp_path):
+    conf1 = tmp_path / "site.conf"
+    conf2 = tmp_path / "other.conf"
+
+    conf1.write_text(
+        """
+server {
+    listen 80;
+    server_name example.com;
+    root /srv/example;
+    proxy_cache cache1;
+}
+"""
+    )
+
+    conf2.write_text(
+        """
+server {
+    listen 443 ssl;
+    server_name example.org;
+}
+"""
+    )
+
+    servers = nc.parse_servers({conf1, conf2, tmp_path / "missing.conf"})
+    servers = sorted(servers, key=lambda s: s.get("server_name"))
+
+    assert len(servers) == 2
+    assert servers[0]["server_name"] == "example.com"
+    assert servers[0]["listen"] == "80"
+    assert servers[0]["root"] == "/srv/example"
+    assert servers[0]["proxy_cache"] == "cache1"
+
+    assert servers[1]["server_name"] == "example.org"
+    assert servers[1]["listen"] == "443 ssl"
+    assert "proxy_cache" not in servers[1]
+