Add the tracing configuration of prometheus

src/schemas/json/prometheus.json

@@ -1581,6 +1581,55 @@
         }
       },
       "additionalProperties": false
+    },
+    "tracing": {
+      "description": "Configures exporting traces from Prometheus to a tracing backend via the OTLP protocol.",
+      "type": ["object", "null"],
+      "properties": {
+        "client_type": {
+          "description": "Client used to export the traces. Options are 'http' or 'grpc'.",
+          "type": ["string", "null"],
+          "enum": ["http", "grpc", null],
+          "default": "grpc"
+        },
+        "endpoint": {
+          "description": "Endpoint to send the traces to. Should be provided in format <host>:<port>.",
+          "type": ["string", "null"]
+        },
+        "sampling_fraction": {
+          "description": "Sets the probability a given trace will be sampled. Must be a float from 0 through 1.",
+          "type": ["number", "null"],
+          "minimum": 0,
+          "maximum": 1,
+          "default": 0
+        },
+        "insecure": {
+          "description": "If disabled, the client will use a secure connection.",
+          "type": ["boolean", "null"],
+          "default": false
+        },
+        "headers": {
+          "description": "Key-value pairs to be used as headers associated with gRPC or HTTP requests.",
+          "type": ["object", "null"],
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
+        "compression": {
+          "description": "Compression key for supported compression types. Supported compression: gzip.",
+          "type": ["string", "null"]
+        },
+        "timeout": {
+          "$ref": "#/definitions/duration",
+          "description": "Maximum time the exporter will wait for each batch export.",
+          "default": "10s"
+        },
+        "tls_config": {
+          "$ref": "#/definitions/tls_config",
+          "description": "TLS configuration."
+        }
+      },
+      "additionalProperties": false
     }
   },
   "title": "Prometheus",

src/test/prometheus/prometheus.json

@@ -375,5 +375,11 @@
     "tsdb": {
       "out_of_order_time_window": "10m"
     }
+  },
+  "tracing": {
+    "client_type": "grpc",
+    "endpoint": "otlp-ingester.monitoring.svc.cluster.local.:4317",
+    "insecure": true,
+    "sampling_fraction": 0.17
   }
 }