perf: 支持 loki log

apps/terminal/api/component/loki_log.py

@@ -0,0 +1,35 @@
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from common.permissions import OnlySuperUser
+from common.utils import get_logger
+from terminal import serializers
+from terminal.mixin import LokiMixin
+
+__all__ = ['LokiLogAPI', ]
+
+logger = get_logger(__name__)
+
+
+class LokiLogAPI(APIView, LokiMixin):
+    http_method_names = ['get', ]
+    permission_classes = [OnlySuperUser]
+
+    def get(self, request, *args, **kwargs):
+        serializer = serializers.LokiLogSerializer(data=request.query_params)
+        serializer.is_valid(raise_exception=True)
+        components = serializer.validated_data.get('components')
+        search = serializer.validated_data.get('search', '')
+        start = serializer.validated_data.get('start', )
+        end = serializer.validated_data.get('end', )
+        loki_logs = self.query_components_log(components, search, start, end)
+        return Response(data=loki_logs)
+
+    def query_components_log(self, components, search, start, end):
+        # 秒转纳秒
+        start_ns = int(start * 1e9)
+        end_ns = int(end * 1e9)
+        query = self.create_loki_query(components, search)
+        loki_client = self.get_loki_client()
+        loki_response = loki_client.query_range(query, start_ns, end_ns, limit=100)
+        return loki_response['data']['result']