Remove metricData usage

Is replaced by builtin memorystore API

internal/config/config.go

@@ -78,6 +78,9 @@ type ProgramConfig struct {
 
 	// If exists, will enable dynamic zoom in frontend metric plots using the configured values
 	EnableResampling *ResampleConfig `json:"resampling"`
+
+	// Global upstream metric repository configuration for metric pull workers
+	UpstreamMetricRepository *json.RawMessage `json:"upstreamMetricRepository,omitempty"`
 }
 
 type ResampleConfig struct {
@@ -113,10 +116,8 @@ type FilterRanges struct {
 }
 
 type ClusterConfig struct {
-	Name                     string           `json:"name"`
-	FilterRanges             *FilterRanges    `json:"filterRanges"`
-	MetricDataRepository     json.RawMessage  `json:"metricDataRepository"`
-	UpstreamMetricRepository *json.RawMessage `json:"upstreamMetricRepository,omitempty"`
+	Name         string        `json:"name"`
+	FilterRanges *FilterRanges `json:"filterRanges"`
 }
 
 var Clusters []*ClusterConfig

internal/config/schema.go

@@ -119,6 +119,23 @@ var configSchema = `
         }
       },
       "required": ["trigger", "resolutions"]
+    },
+    "upstreamMetricRepository": {
+      "description": "Global upstream metric repository configuration for metric pull workers",
+      "type": "object",
+      "properties": {
+        "kind": {
+          "type": "string",
+          "enum": ["influxdb", "prometheus", "cc-metric-store", "cc-metric-store-internal", "test"]
+        },
+        "url": {
+          "type": "string"
+        },
+        "token": {
+          "type": "string"
+        }
+      },
+      "required": ["kind"]
     }
 	},
   "required": ["apiAllowedIPs"]