test: add HTTPS upload test for systemd-report

Extend fake-report-server.py with optional --cert, --key, --port
arguments for TLS support. Add a test case that generates a
self-signed certificate and tests HTTPS upload of metrics and facts.

Also exercise the --header param.

Co-developed-by: Claude Opus 4.6 <noreply@anthropic.com>

test/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-import json, os, socket
+import argparse, json, os, socket, ssl
 from http.server import BaseHTTPRequestHandler, HTTPServer
 
 def sd_notify(state: str) -> bool:
@@ -22,6 +22,10 @@ class Handler(BaseHTTPRequestHandler):
         length = int(self.headers.get("Content-Length", 0))
         body = self.rfile.read(length)
 
+        # Check optional attribute
+        if auth := self.headers.get("Authorization"):
+            print(f"Authorization: {auth}")
+
         # Validate JSON structure
         try:
             data = json.loads(body)
@@ -45,10 +49,20 @@ class Handler(BaseHTTPRequestHandler):
     def log_message(self, fmt, *args):
         print(f"{self.address_string()} - {fmt % args}")
 
-PORT = 8089
+parser = argparse.ArgumentParser()
+parser.add_argument("--port", type=int, default=8089)
+parser.add_argument("--cert", help="TLS certificate file")
+parser.add_argument("--key", help="TLS private key file")
+args = parser.parse_args()
 
-server = HTTPServer(("", PORT), Handler)
-print(f"Serving on http://localhost:{PORT}/")
+server = HTTPServer(("", args.port), Handler)
+if args.cert and args.key:
+    ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+    ctx.load_cert_chain(args.cert, args.key)
+    server.socket = ctx.wrap_socket(server.socket, server_side=True)
+    print(f"Serving on https://localhost:{args.port}/")
+else:
+    print(f"Serving on http://localhost:{args.port}/")
 try:
     sd_notify("READY=1")
     server.serve_forever()

test/units/TEST-74-AUX-UTILS.report.sh

@@ -67,15 +67,30 @@ varlinkctl --more call /run/systemd/report/io.systemd.Basic io.systemd.Facts.Lis
 varlinkctl --more call /run/systemd/report/io.systemd.Basic io.systemd.Facts.Describe {}
 
 # Test HTTP upload (plain http)
+FAKE_SERVER=/usr/lib/systemd/tests/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py
+CERTDIR=$(mktemp -d)
+
 at_exit() {
     set +e
-    systemctl stop fake-report-server
+    systemctl stop fake-report-server fake-report-server-tls
+    rm -rf "$CERTDIR"
 }
 trap at_exit EXIT
 
-systemd-run -p Type=notify --unit=fake-report-server \
-    /usr/lib/systemd/tests/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py
+systemd-run -p Type=notify --unit=fake-report-server "$FAKE_SERVER"
 systemctl status fake-report-server
 
 "$REPORT" metrics --url=http://localhost:8089/
 "$REPORT" facts --url=http://localhost:8089/
+
+# Test HTTPS upload with generated TLS certificates
+openssl req -x509 -newkey rsa:2048 -keyout "$CERTDIR/server.key" -out "$CERTDIR/server.crt" \
+    -days 1 -nodes -subj "/CN=localhost" 2>/dev/null
+
+systemd-run -p Type=notify --unit=fake-report-server-tls \
+    "$FAKE_SERVER" --cert="$CERTDIR/server.crt" --key="$CERTDIR/server.key" --port=8090
+systemctl status fake-report-server-tls
+
+"$REPORT" metrics --url=https://localhost:8090/ --key=- --trust="$CERTDIR/server.crt"
+"$REPORT" facts --url=https://localhost:8090/ --key=- --trust="$CERTDIR/server.crt" \
+          --extra-header='Authorization: Bearer magic string'