Loki: Add backend functionality to parse structured metadata from Loki (#77361)

* prepare backend for structured metadata * add `lokiStructuredMetadata` feature toggle * use `lokiStructuredMetadata` feature flag * add field type check to `labelTypesField` * remove fixme * fix feature toggle * add field in dataplane mode * use `data.Labels` where possible * adjust framing tests * improve verbiage * improve naming * update tests to "attributes"
2023-11-16 17:06:14 +01:00
parent d849e0d752
commit a01f8c5b42
24 changed files with 2212 additions and 40 deletions
@@ -0,0 +1,97 @@
+//  🌟 This was machine generated.  Do not edit. 🌟
+//  
+//  Frame[0] {
+//      "typeVersion": [
+//          0,
+//          0
+//      ]
+//  }
+//  Name: 
+//  Dimensions: 5 Fields by 1 Rows
+//  +----------------------------------------+-----------------------------------+----------------+---------------------+--------------------------------+
+//  | Name: __labels                         | Name: Time                        | Name: Line     | Name: TS            | Name: __labelTypes             |
+//  | Labels:                                | Labels:                           | Labels:        | Labels:             | Labels:                        |
+//  | Type: []json.RawMessage                | Type: []time.Time                 | Type: []string | Type: []string      | Type: []json.RawMessage        |
+//  +----------------------------------------+-----------------------------------+----------------+---------------------+--------------------------------+
+//  | {"label":"value","nonIndexed":"value"} | 2023-10-11 11:55:10.236 +0000 UTC | text           | 1697025310236000000 | {"nonIndexed":"S","label":"I"} |
+//  +----------------------------------------+-----------------------------------+----------------+---------------------+--------------------------------+
+//  
+//  
+//  🌟 This was machine generated.  Do not edit. 🌟
+{
+  "status": 200,
+  "frames": [
+    {
+      "schema": {
+        "meta": {
+          "typeVersion": [
+            0,
+            0
+          ]
+        },
+        "fields": [
+          {
+            "name": "__labels",
+            "type": "other",
+            "typeInfo": {
+              "frame": "json.RawMessage"
+            }
+          },
+          {
+            "name": "Time",
+            "type": "time",
+            "typeInfo": {
+              "frame": "time.Time"
+            }
+          },
+          {
+            "name": "Line",
+            "type": "string",
+            "typeInfo": {
+              "frame": "string"
+            }
+          },
+          {
+            "name": "TS",
+            "type": "string",
+            "typeInfo": {
+              "frame": "string"
+            }
+          },
+          {
+            "name": "__labelTypes",
+            "type": "other",
+            "typeInfo": {
+              "frame": "json.RawMessage"
+            }
+          }
+        ]
+      },
+      "data": {
+        "values": [
+          [
+            {
+              "label": "value",
+              "nonIndexed": "value"
+            }
+          ],
+          [
+            1697025310236
+          ],
+          [
+            "text"
+          ],
+          [
+            "1697025310236000000"
+          ],
+          [
+            {
+              "nonIndexed": "S",
+              "label": "I"
+            }
+          ]
+        ]
+      }
+    }
+  ]
+}