make path singular

Author: Elfo404

docs/sources/developers/http_api/correlations.md

@@ -19,14 +19,14 @@ This API can be used to define correlations between data sources.
 
 ## Create correlations
 
-`POST /api/datasources/uid/:sourceUid/correlations`
+`POST /api/datasources/uid/:sourceUid/correlation`
 
 Creates a correlation between two data sources - the source data source indicated by the path UID, and the target data source which is specified in the body.
 
 **Example request:**
 
 ```http
-POST /api/datasources/uid/uyBf2637k/correlations HTTP/1.1
+POST /api/datasources/uid/uyBf2637k/correlation HTTP/1.1
 Accept: application/json
 Content-Type: application/json
 Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk

pkg/api/docs/definitions/correlations.go

@@ -4,7 +4,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/correlations"
 )
 
-// swagger:route POST /datasources/uid/{uid}/correlations correlations createCorrelation
+// swagger:route POST /datasources/uid/{uid}/correlation correlations createCorrelation
 //
 // Add correlation.
 //

pkg/services/correlations/api.go

@@ -17,7 +17,7 @@ func (s *CorrelationsService) registerAPIEndpoints() {
 	uidScope := datasources.ScopeProvider.GetResourceScopeUID(ac.Parameter(":uid"))
 	authorize := ac.Middleware(s.AccessControl)
 
-	s.RouteRegister.Group("/api/datasources/uid/:uid/correlations", func(entities routing.RouteRegister) {
+	s.RouteRegister.Group("/api/datasources/uid/:uid/correlation", func(entities routing.RouteRegister) {
 		entities.Post("/", authorize(ac.ReqOrgAdmin, ac.EvalPermission(datasources.ActionWrite, uidScope)), routing.Wrap(s.createHandler))
 	})
 }