X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/458436270ce8fb80d421d55e192236c5ac4a225e..995df5b03c9304bc956b02e50225ad2e1f9dfd8d:/lib/cloud/interfaces.go

diff --git a/lib/cloud/interfaces.go b/lib/cloud/interfaces.go
index 7f59049681..27cf26152c 100644
--- a/lib/cloud/interfaces.go
+++ b/lib/cloud/interfaces.go
@@ -102,8 +102,11 @@ type Instance interface {
 	// Replace tags with the given tags
 	SetTags(InstanceTags) error
 
-	// Get recent price history, if available
-	PriceHistory() []InstancePrice
+	// Get recent price history, if available. The InstanceType is
+	// supplied as an argument so the driver implementation can
+	// account for AddedScratch cost without requesting the volume
+	// attachment information from the provider's API.
+	PriceHistory(arvados.InstanceType) []InstancePrice
 
 	// Shut down the node
 	Destroy() error