configure number of parallel scanners from the API

api/openapi.yaml

@@ -947,6 +947,12 @@ components:
           $ref: '#/components/schemas/ScanScopeType'
         scheduled:
           $ref: '#/components/schemas/RuntimeScheduleScanConfigType'
+        maxParallelScanners:
+          type: 'integer'
+          minimum: 1
+          maximum: 20
+          default: 2
+          description: "The maximum number of scanners that can run in parallel for each scan"
 
     ScanConfigRelationship:
       type: object
@@ -965,6 +971,8 @@ components:
               readOnly: true
             scheduled:
               readOnly: true
+            maxParallelScanners:
+              readOnly: true
           required: ['id']
 
     ScanConfig:

backend/pkg/database/demo.go

@@ -384,16 +384,18 @@ func createScanConfigs() []models.ScanConfig {
 
 	return []models.ScanConfig{
 		{
-			Name:               "demo scan 1",
-			ScanFamiliesConfig: scanFamiliesConfig1,
-			Scheduled:          &scheduled1,
-			Scope:              &scanScopeType1,
+			Name:                "demo scan 1",
+			ScanFamiliesConfig:  scanFamiliesConfig1,
+			Scheduled:           &scheduled1,
+			Scope:               &scanScopeType1,
+			MaxParallelScanners: utils.PointerTo(2),
 		},
 		{
-			Name:               "demo scan 2",
-			ScanFamiliesConfig: scanFamiliesConfig2,
-			Scheduled:          &scanConfig2Scheduled,
-			Scope:              &scanScopeType2,
+			Name:                "demo scan 2",
+			ScanFamiliesConfig:  scanFamiliesConfig2,
+			Scheduled:           &scanConfig2Scheduled,
+			Scope:               &scanScopeType2,
+			MaxParallelScanners: utils.PointerTo(3),
 		},
 	}
 }

backend/pkg/database/gorm/odata.go

@@ -397,6 +397,9 @@ var schemaMetas = map[string]odatasql.SchemaMeta{
 				ComplexFieldSchemas:   []string{"AwsScanScope"},
 				DiscriminatorProperty: "objectType",
 			},
+			"maxParallelScanners": odatasql.FieldMeta{
+				FieldType: odatasql.PrimitiveFieldType,
+			},
 		},
 	},
 	"ScanConfigData": {
@@ -416,6 +419,9 @@ var schemaMetas = map[string]odatasql.SchemaMeta{
 				ComplexFieldSchemas:   []string{"AwsScanScope"},
 				DiscriminatorProperty: "objectType",
 			},
+			"maxParallelScanners": odatasql.FieldMeta{
+				FieldType: odatasql.PrimitiveFieldType,
+			},
 		},
 	},
 	"ScanFamiliesConfig": {

runtime_scan/pkg/scanner/job_managment.go

@@ -58,7 +58,8 @@ const (
 func (s *Scanner) jobBatchManagement(ctx context.Context) {
 	s.Lock()
 	targetIDToScanData := s.targetIDToScanData
-	numberOfWorkers := 2 // TODO: create this in the API
+	// Since this value has a default in the API, I assume it is safe to dereference it.
+	numberOfWorkers := *s.scanConfig.MaxParallelScanners
 	s.Unlock()
 
 	// queue of scan data