autoscaler/cluster-autoscaler/processors/nodegroupset/gke_compare_nodegroups_test.go

104 lines
3.8 KiB
Go

/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package nodegroupset
import (
"testing"
"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
testprovider "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/test"
"k8s.io/autoscaler/cluster-autoscaler/context"
. "k8s.io/autoscaler/cluster-autoscaler/utils/test"
schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
"github.com/stretchr/testify/assert"
)
func TestIsGkeNodeInfoSimilar(t *testing.T) {
n1 := BuildTestNode("node1", 1000, 2000)
n1.ObjectMeta.Labels["test-label"] = "test-value"
n1.ObjectMeta.Labels["character"] = "winnie the pooh"
n2 := BuildTestNode("node2", 1000, 2000)
n2.ObjectMeta.Labels["test-label"] = "test-value"
// No node-pool labels.
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, false)
// Empty node-pool labels
n1.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = ""
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = ""
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, false)
// Only one non empty
n1.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = ""
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, false)
// Only one present
delete(n1.ObjectMeta.Labels, "cloud.google.com/gke-nodepool")
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, false)
// Different vales
n1.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah1"
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah2"
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, false)
// Same values
n1.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
checkNodesSimilar(t, n1, n2, IsGkeNodeInfoSimilar, true)
}
func TestFindSimilarNodeGroupsGkeBasic(t *testing.T) {
processor := &BalancingNodeGroupSetProcessor{Comparator: IsGkeNodeInfoSimilar}
basicSimilarNodeGroupsTest(t, processor)
}
func TestFindSimilarNodeGroupsGkeByLabel(t *testing.T) {
processor := &BalancingNodeGroupSetProcessor{Comparator: IsGkeNodeInfoSimilar}
context := &context.AutoscalingContext{}
n1 := BuildTestNode("n1", 1000, 1000)
n2 := BuildTestNode("n2", 2000, 2000)
provider := testprovider.NewTestCloudProvider(nil, nil)
provider.AddNodeGroup("ng1", 1, 10, 1)
provider.AddNodeGroup("ng2", 1, 10, 1)
provider.AddNode("ng1", n1)
provider.AddNode("ng2", n2)
ni1 := schedulercache.NewNodeInfo()
ni1.SetNode(n1)
ni2 := schedulercache.NewNodeInfo()
ni2.SetNode(n2)
nodeInfosForGroups := map[string]*schedulercache.NodeInfo{
"ng1": ni1, "ng2": ni2,
}
ng1, _ := provider.NodeGroupForNode(n1)
ng2, _ := provider.NodeGroupForNode(n2)
context.CloudProvider = provider
// Groups with different cpu and mem are not similar
similar, err := processor.FindSimilarNodeGroups(context, ng1, nodeInfosForGroups)
assert.NoError(t, err)
assert.Equal(t, similar, []cloudprovider.NodeGroup{})
// Unless we give them nodepool label
n1.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
n2.ObjectMeta.Labels["cloud.google.com/gke-nodepool"] = "blah"
similar, err = processor.FindSimilarNodeGroups(context, ng1, nodeInfosForGroups)
assert.NoError(t, err)
assert.Equal(t, similar, []cloudprovider.NodeGroup{ng2})
}