Add optional no_colors query parameter to advanced logs endpoints (#6326)

Add support for `no_colors` query parameter on all advanced logs API endpoints,
allowing users to optionally strip ANSI color sequences from log output. This
complements the existing color stripping on /latest endpoints added in #6319.

supervisor/api/host.py

@@ -252,6 +252,9 @@ class APIHost(CoreSysAttributes):
         if "verbose" in request.query or request.headers[ACCEPT] == CONTENT_TYPE_X_LOG:
             log_formatter = LogFormatter.VERBOSE
 
+        if "no_colors" in request.query:
+            no_colors = True
+
         if "lines" in request.query:
             lines = request.query.get("lines", DEFAULT_LINES)
             try:

tests/api/conftest.py

@@ -32,8 +32,24 @@ async def _common_test_api_advanced_logs(
         range_header=DEFAULT_LOG_RANGE,
         accept=LogFormat.JOURNAL,
     )
+    journal_logs_reader.assert_called_with(ANY, LogFormatter.PLAIN, False)
 
     journald_logs.reset_mock()
+    journal_logs_reader.reset_mock()
+
+    resp = await api_client.get(f"{path_prefix}/logs?no_colors")
+    assert resp.status == 200
+    assert resp.content_type == "text/plain"
+
+    journald_logs.assert_called_once_with(
+        params={"SYSLOG_IDENTIFIER": syslog_identifier},
+        range_header=DEFAULT_LOG_RANGE,
+        accept=LogFormat.JOURNAL,
+    )
+    journal_logs_reader.assert_called_with(ANY, LogFormatter.PLAIN, True)
+
+    journald_logs.reset_mock()
+    journal_logs_reader.reset_mock()
 
     resp = await api_client.get(f"{path_prefix}/logs/follow")
     assert resp.status == 200

tests/api/test_host.py

@@ -292,6 +292,18 @@ async def test_advaced_logs_query_parameters(
     )
     journal_logs_reader.assert_called_with(ANY, LogFormatter.VERBOSE, False)
 
+    journal_logs_reader.reset_mock()
+    journald_logs.reset_mock()
+
+    # Check no_colors query parameter
+    await api_client.get("/host/logs?no_colors")
+    journald_logs.assert_called_once_with(
+        params={"SYSLOG_IDENTIFIER": coresys.host.logs.default_identifiers},
+        range_header=DEFAULT_RANGE,
+        accept=LogFormat.JOURNAL,
+    )
+    journal_logs_reader.assert_called_with(ANY, LogFormatter.VERBOSE, True)
+
 
 async def test_advanced_logs_boot_id_offset(
     api_client: TestClient, coresys: CoreSys, journald_logs: MagicMock