fix: add mutext (#2415)

Author: mustafasencer

internal/common/client.go

@@ -50,8 +50,9 @@ type Client struct {
 	K6APIClient *k6.APIClient
 	K6APIConfig *k6providerapi.K6APIConfig
 
-	alertingMutex sync.Mutex
-	folderMutex   sync.Mutex
+	alertingMutex  sync.Mutex
+	folderMutex    sync.Mutex
+	dashboardMutex sync.Mutex
 }
 
 // WithAlertingMutex is a helper function that wraps a CRUD Terraform function with a mutex.
@@ -74,6 +75,16 @@ func WithFolderMutex[T schema.CreateContextFunc | schema.ReadContextFunc | schem
 	}
 }
 
+// WithDashboardMutex is a helper function that wraps a CRUD Terraform function with a mutex.
+func WithDashboardMutex[T schema.CreateContextFunc | schema.ReadContextFunc | schema.UpdateContextFunc | schema.DeleteContextFunc](f T) T {
+	return func(ctx context.Context, d *schema.ResourceData, meta any) diag.Diagnostics {
+		lock := &meta.(*Client).dashboardMutex
+		lock.Lock()
+		defer lock.Unlock()
+		return f(ctx, d, meta)
+	}
+}
+
 func (c *Client) GrafanaSubpath(path string) string {
 	path = strings.TrimPrefix(path, c.GrafanaAPIURLParsed.Path)
 	return c.GrafanaAPIURLParsed.JoinPath(path).String()

internal/resources/grafana/resource_dashboard.go

@@ -30,10 +30,10 @@ Manages Grafana dashboards.
 * [HTTP API](https://grafana.com/docs/grafana/latest/developers/http_api/dashboard/)
 `,
 
-		CreateContext: CreateDashboard,
+		CreateContext: common.WithDashboardMutex[schema.CreateContextFunc](CreateDashboard),
 		ReadContext:   ReadDashboard,
-		UpdateContext: UpdateDashboard,
-		DeleteContext: DeleteDashboard,
+		UpdateContext: common.WithDashboardMutex[schema.UpdateContextFunc](UpdateDashboard),
+		DeleteContext: common.WithDashboardMutex[schema.DeleteContextFunc](DeleteDashboard),
 		Importer: &schema.ResourceImporter{
 			StateContext: schema.ImportStatePassthroughContext,
 		},