93 lines
3.3 KiB
Go
93 lines
3.3 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package estimator
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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testprovider "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/test"
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)
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func TestSngCapacityThreshold(t *testing.T) {
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type nodeGroupConfig struct {
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name string
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maxNodes int
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nodesCount int
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}
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tests := []struct {
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name string
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nodeGroupsConfig []nodeGroupConfig
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currentNodeGroup nodeGroupConfig
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wantThreshold int
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}{
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{
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name: "returns available capacity",
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nodeGroupsConfig: []nodeGroupConfig{
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{name: "ng1", maxNodes: 10, nodesCount: 5},
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{name: "ng2", maxNodes: 100, nodesCount: 50},
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{name: "ng3", maxNodes: 5, nodesCount: 3},
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},
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currentNodeGroup: nodeGroupConfig{name: "main-ng", maxNodes: 20, nodesCount: 10},
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wantThreshold: 67,
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},
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{
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name: "returns available capacity and skips over-provisioned groups",
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nodeGroupsConfig: []nodeGroupConfig{
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{name: "ng1", maxNodes: 10, nodesCount: 5},
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{name: "ng3", maxNodes: 10, nodesCount: 11},
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{name: "ng3", maxNodes: 0, nodesCount: 5},
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},
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currentNodeGroup: nodeGroupConfig{name: "main-ng", maxNodes: 5, nodesCount: 10},
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wantThreshold: 5,
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},
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{
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name: "threshold is negative if cluster has no capacity",
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nodeGroupsConfig: []nodeGroupConfig{
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{name: "ng1", maxNodes: 10, nodesCount: 10},
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{name: "ng2", maxNodes: 100, nodesCount: 100},
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},
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currentNodeGroup: nodeGroupConfig{name: "main-ng", maxNodes: 5, nodesCount: 5},
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wantThreshold: -1,
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},
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{
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name: "threshold is negative if all groups are over-provisioned",
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nodeGroupsConfig: []nodeGroupConfig{
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{name: "ng1", maxNodes: 10, nodesCount: 11},
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{name: "ng3", maxNodes: 100, nodesCount: 111},
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{name: "ng3", maxNodes: 0, nodesCount: 5},
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},
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currentNodeGroup: nodeGroupConfig{name: "main-ng", maxNodes: 5, nodesCount: 10},
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wantThreshold: -1,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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provider := testprovider.NewTestCloudProviderBuilder().WithOnScaleUp(func(string, int) error { return nil }).Build()
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for _, ng := range tt.nodeGroupsConfig {
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provider.AddNodeGroup(ng.name, 0, ng.maxNodes, ng.nodesCount)
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}
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// Context must be constructed first to exclude current node group passed from orchestrator
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context := estimationContext{similarNodeGroups: provider.NodeGroups()}
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provider.AddNodeGroup(tt.currentNodeGroup.name, 0, tt.currentNodeGroup.maxNodes, tt.currentNodeGroup.nodesCount)
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currentNodeGroup := provider.GetNodeGroup(tt.currentNodeGroup.name)
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assert.Equalf(t, tt.wantThreshold, NewSngCapacityThreshold().NodeLimit(currentNodeGroup, &context), "NewSngCapacityThreshold()")
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assert.True(t, NewClusterCapacityThreshold().DurationLimit(currentNodeGroup, &context) == 0)
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})
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}
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}
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