[Test] less variables, obtain info from cloud

acceptance/openstack/cce/v3/clusters_test.go

@@ -6,6 +6,7 @@ import (
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/openstack/cce"
 	"github.com/opentelekomcloud/gophertelekomcloud/openstack/cce/v3/clusters"
+	"github.com/opentelekomcloud/gophertelekomcloud/openstack/networking/v1/subnets"
 	th "github.com/opentelekomcloud/gophertelekomcloud/testhelper"
 )
 
@@ -19,20 +20,27 @@ func TestListCluster(t *testing.T) {
 
 func TestCluster(t *testing.T) {
 	vpcID := clients.EnvOS.GetEnv("VPC_ID")
-	subnetID := clients.EnvOS.GetEnv("NETWORK_ID")
-	eniSubnetID := clients.EnvOS.GetEnv("ENI_SUBNET_ID")
-	eniCidr := clients.EnvOS.GetEnv("ENI_SUBNET_CIDR")
-	if vpcID == "" || subnetID == "" || eniSubnetID == "" {
-		t.Skip("OS_VPC_ID, OS_NETWORK_ID and OS_ENI_SUBNET_ID are required for this test")
+	if vpcID == "" {
+		t.Skip("OS_VPC_ID is required for this test")
 	}
-	if eniCidr == "" {
-		eniCidr = "192.168.0.0/24"
+
+	clientNet, err := clients.NewNetworkV1Client()
+	th.AssertNoErr(t, err)
+
+	listOpts := subnets.ListOpts{
+		VpcID: vpcID,
+	}
+	subnetsList, err := subnets.List(clientNet, listOpts)
+	th.AssertNoErr(t, err)
+
+	if len(subnetsList) < 1 {
+		t.Skip("no subnets found in selected VPC")
 	}
 
 	client, err := clients.NewCceV3Client()
 	th.AssertNoErr(t, err)
 
-	cluster := cce.CreateTurboCluster(t, vpcID, subnetID, eniSubnetID, eniCidr)
+	cluster := cce.CreateTurboCluster(t, vpcID, subnetsList[0].NetworkID, subnetsList[0].SubnetID, subnetsList[0].CIDR)
 
 	clusterID := cluster.Metadata.Id