X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6c78b28f9f54664babc57a4b4372c502065ed5d1..c38a28a51ba3fbe3fe58e72a5e16c27f79c89719:/lib/cloud/ec2/ec2.go

diff --git a/lib/cloud/ec2/ec2.go b/lib/cloud/ec2/ec2.go
index 079c32802c..d373d2b718 100644
--- a/lib/cloud/ec2/ec2.go
+++ b/lib/cloud/ec2/ec2.go
@@ -32,7 +32,7 @@ type ec2InstanceSetConfig struct {
 	AccessKeyID      string
 	SecretAccessKey  string
 	Region           string
-	SecurityGroupIDs []string
+	SecurityGroupIDs arvados.StringSet
 	SubnetID         string
 	AdminUsername    string
 	EBSVolumeType    string
@@ -161,6 +161,11 @@ func (instanceSet *ec2InstanceSet) Create(
 		})
 	}
 
+	var groups []string
+	for sg := range instanceSet.ec2config.SecurityGroupIDs {
+		groups = append(groups, sg)
+	}
+
 	rii := ec2.RunInstancesInput{
 		ImageId:      aws.String(string(imageID)),
 		InstanceType: &instanceType.ProviderType,
@@ -173,7 +178,7 @@ func (instanceSet *ec2InstanceSet) Create(
 				AssociatePublicIpAddress: aws.Bool(false),
 				DeleteOnTermination:      aws.Bool(true),
 				DeviceIndex:              aws.Int64(0),
-				Groups:                   aws.StringSlice(instanceSet.ec2config.SecurityGroupIDs),
+				Groups:                   aws.StringSlice(groups),
 				SubnetId:                 &instanceSet.ec2config.SubnetID,
 			}},
 		DisableApiTermination:             aws.Bool(false),