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suite_test.go
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/*
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 disruption_test
import (
"context"
"fmt"
"sort"
"sync"
"testing"
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/samber/lo"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/sets"
clock "k8s.io/utils/clock/testing"
. "knative.dev/pkg/logging/testing"
"knative.dev/pkg/ptr"
"sigs.k8s.io/controller-runtime/pkg/client"
coreapis "github.com/aws/karpenter-core/pkg/apis"
"github.com/aws/karpenter-core/pkg/apis/v1alpha5"
"github.com/aws/karpenter-core/pkg/apis/v1beta1"
"github.com/aws/karpenter-core/pkg/cloudprovider"
"github.com/aws/karpenter-core/pkg/cloudprovider/fake"
"github.com/aws/karpenter-core/pkg/controllers/disruption"
"github.com/aws/karpenter-core/pkg/controllers/provisioning"
"github.com/aws/karpenter-core/pkg/controllers/state"
"github.com/aws/karpenter-core/pkg/controllers/state/informer"
"github.com/aws/karpenter-core/pkg/operator/controller"
"github.com/aws/karpenter-core/pkg/operator/options"
"github.com/aws/karpenter-core/pkg/operator/scheme"
"github.com/aws/karpenter-core/pkg/scheduling"
"github.com/aws/karpenter-core/pkg/test"
. "github.com/aws/karpenter-core/pkg/test/expectations"
)
var ctx context.Context
var env *test.Environment
var cluster *state.Cluster
var disruptionController *disruption.Controller
var prov *provisioning.Provisioner
var cloudProvider *fake.CloudProvider
var nodeStateController controller.Controller
var machineStateController controller.Controller
var nodeClaimStateController controller.Controller
var fakeClock *clock.FakeClock
var recorder *test.EventRecorder
var onDemandInstances []*cloudprovider.InstanceType
var leastExpensiveInstance, mostExpensiveInstance *cloudprovider.InstanceType
var leastExpensiveOffering, mostExpensiveOffering cloudprovider.Offering
func TestAPIs(t *testing.T) {
ctx = TestContextWithLogger(t)
RegisterFailHandler(Fail)
RunSpecs(t, "Disruption")
}
var _ = BeforeSuite(func() {
env = test.NewEnvironment(scheme.Scheme, test.WithCRDs(coreapis.CRDs...))
ctx = options.ToContext(ctx, test.Options(test.OptionsFields{FeatureGates: test.FeatureGates{Drift: lo.ToPtr(true)}}))
cloudProvider = fake.NewCloudProvider()
fakeClock = clock.NewFakeClock(time.Now())
cluster = state.NewCluster(fakeClock, env.Client, cloudProvider)
nodeStateController = informer.NewNodeController(env.Client, cluster)
machineStateController = informer.NewMachineController(env.Client, cluster)
nodeClaimStateController = informer.NewNodeClaimController(env.Client, cluster)
recorder = test.NewEventRecorder()
prov = provisioning.NewProvisioner(env.Client, recorder, cloudProvider, cluster)
disruptionController = disruption.NewController(fakeClock, env.Client, prov, cloudProvider, recorder, cluster)
})
var _ = AfterSuite(func() {
Expect(env.Stop()).To(Succeed(), "Failed to stop environment")
})
var _ = BeforeEach(func() {
cloudProvider.Reset()
cloudProvider.InstanceTypes = fake.InstanceTypesAssorted()
recorder.Reset() // Reset the events that we captured during the run
// ensure any waiters on our clock are allowed to proceed before resetting our clock time
for fakeClock.HasWaiters() {
fakeClock.Step(1 * time.Minute)
}
fakeClock.SetTime(time.Now())
cluster.Reset()
cluster.MarkUnconsolidated()
// Reset Feature Flags to test defaults
ctx = options.ToContext(ctx, test.Options(test.OptionsFields{FeatureGates: test.FeatureGates{Drift: lo.ToPtr(true)}}))
onDemandInstances = lo.Filter(cloudProvider.InstanceTypes, func(i *cloudprovider.InstanceType, _ int) bool {
for _, o := range i.Offerings.Available() {
if o.CapacityType == v1alpha5.CapacityTypeOnDemand {
return true
}
}
return false
})
// Sort the instances by pricing from low to high
sort.Slice(onDemandInstances, func(i, j int) bool {
return onDemandInstances[i].Offerings.Cheapest().Price < onDemandInstances[j].Offerings.Cheapest().Price
})
leastExpensiveInstance, mostExpensiveInstance = onDemandInstances[0], onDemandInstances[len(onDemandInstances)-1]
leastExpensiveOffering, mostExpensiveOffering = leastExpensiveInstance.Offerings[0], mostExpensiveInstance.Offerings[0]
})
var _ = AfterEach(func() {
ExpectCleanedUp(ctx, env.Client)
})
var _ = Describe("Simulate Scheduling", func() {
var nodePool *v1beta1.NodePool
BeforeEach(func() {
nodePool = test.NodePool()
})
It("can replace node with a local PV (ignoring hostname affinity)", func() {
nodeClaim, node := test.NodeClaimAndNode(v1beta1.NodeClaim{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1beta1.NodePoolLabelKey: nodePool.Name,
v1.LabelInstanceTypeStable: mostExpensiveInstance.Name,
v1beta1.CapacityTypeLabelKey: mostExpensiveOffering.CapacityType,
v1.LabelTopologyZone: mostExpensiveOffering.Zone,
},
},
Status: v1beta1.NodeClaimStatus{
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
labels := map[string]string{
"app": "test",
}
// create our RS so we can link a pod to it
ss := test.StatefulSet()
ExpectApplied(ctx, env.Client, ss)
// StorageClass that references "no-provisioner" and is used for local volume storage
storageClass := test.StorageClass(test.StorageClassOptions{
ObjectMeta: metav1.ObjectMeta{
Name: "local-path",
},
Provisioner: lo.ToPtr("kubernetes.io/no-provisioner"),
})
persistentVolume := test.PersistentVolume(test.PersistentVolumeOptions{UseLocal: true})
persistentVolume.Spec.NodeAffinity = &v1.VolumeNodeAffinity{
Required: &v1.NodeSelector{
NodeSelectorTerms: []v1.NodeSelectorTerm{
{
// This PV is only valid for use against this node
MatchExpressions: []v1.NodeSelectorRequirement{
{
Key: v1.LabelHostname,
Operator: v1.NodeSelectorOpIn,
Values: []string{node.Name},
},
},
},
},
},
}
persistentVolumeClaim := test.PersistentVolumeClaim(test.PersistentVolumeClaimOptions{VolumeName: persistentVolume.Name, StorageClassName: &storageClass.Name})
pod := test.Pod(test.PodOptions{
ObjectMeta: metav1.ObjectMeta{Labels: labels,
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "apps/v1",
Kind: "StatefulSet",
Name: ss.Name,
UID: ss.UID,
Controller: ptr.Bool(true),
BlockOwnerDeletion: ptr.Bool(true),
},
},
},
PersistentVolumeClaims: []string{persistentVolumeClaim.Name},
})
ExpectApplied(ctx, env.Client, ss, pod, nodeClaim, node, nodePool, storageClass, persistentVolume, persistentVolumeClaim)
// bind pods to node
ExpectManualBinding(ctx, env.Client, pod, node)
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{node}, []*v1beta1.NodeClaim{nodeClaim})
// disruption won't delete the old node until the new node is ready
var wg sync.WaitGroup
ExpectTriggerVerifyAction(&wg)
ExpectMakeNewNodeClaimsReady(ctx, env.Client, &wg, cluster, cloudProvider, 1)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the nodeClaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// Expect that the new nodeClaim was created, and it's different than the original
// We should succeed in getting a replacement, since we assume that the node affinity requirement will be invalid
// once we spin-down the old node
ExpectNotFound(ctx, env.Client, nodeClaim, node)
nodeclaims := ExpectNodeClaims(ctx, env.Client)
nodes := ExpectNodes(ctx, env.Client)
Expect(nodeclaims).To(HaveLen(1))
Expect(nodes).To(HaveLen(1))
Expect(nodeclaims[0].Name).ToNot(Equal(nodeClaim.Name))
Expect(nodes[0].Name).ToNot(Equal(node.Name))
})
})
var _ = Describe("Disruption Taints", func() {
var provisioner *v1alpha5.Provisioner
var machine *v1alpha5.Machine
var nodePool *v1beta1.NodePool
var nodeClaim *v1beta1.NodeClaim
var machineNode, nodeClaimNode *v1.Node
BeforeEach(func() {
currentInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "current-on-demand",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeOnDemand,
Zone: "test-zone-1a",
Price: 1.5,
Available: false,
},
},
})
replacementInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "spot-replacement",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1a",
Price: 1.0,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1b",
Price: 0.2,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1c",
Price: 0.4,
Available: true,
},
},
})
provisioner = test.Provisioner()
machine, machineNode = test.MachineAndNode(v1alpha5.Machine{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1alpha5.LabelCapacityType: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
v1alpha5.ProvisionerNameLabelKey: provisioner.Name,
},
},
Status: v1alpha5.MachineStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
nodePool = test.NodePool()
nodeClaim, nodeClaimNode = test.NodeClaimAndNode(v1beta1.NodeClaim{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1alpha5.LabelCapacityType: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
v1beta1.NodePoolLabelKey: nodePool.Name,
},
},
Status: v1beta1.NodeClaimStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
cloudProvider.InstanceTypes = []*cloudprovider.InstanceType{
currentInstance,
replacementInstance,
}
})
It("should remove taints from NodeClaims that were left tainted from a previous disruption action", func() {
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
nodePool.Spec.Disruption.ConsolidateAfter = &v1beta1.NillableDuration{Duration: nil}
nodeClaimNode.Spec.Taints = append(nodeClaimNode.Spec.Taints, v1beta1.DisruptionNoScheduleTaint)
ExpectApplied(ctx, env.Client, nodePool, nodeClaim, nodeClaimNode, pod)
ExpectManualBinding(ctx, env.Client, pod, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
// Trigger the reconcile loop to start but don't trigger the verify action
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
ExpectTriggerVerifyAction(&wg)
ExpectReconcileSucceeded(ctx, disruptionController, client.ObjectKey{})
}()
wg.Wait()
nodeClaimNode = ExpectNodeExists(ctx, env.Client, nodeClaimNode.Name)
Expect(nodeClaimNode.Spec.Taints).ToNot(ContainElement(v1beta1.DisruptionNoScheduleTaint))
})
It("should add and remove taints from NodeClaims that fail to disrupt", func() {
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
ExpectApplied(ctx, env.Client, nodePool, nodeClaim, nodeClaimNode, pod)
ExpectManualBinding(ctx, env.Client, pod, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
// Trigger the reconcile loop to start but don't trigger the verify action
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
ExpectTriggerVerifyAction(&wg)
ExpectReconcileFailed(ctx, disruptionController, client.ObjectKey{})
}()
// Iterate in a loop until we get to the validation action
// Then, apply the pods to the cluster and bind them to the nodes
for {
time.Sleep(100 * time.Millisecond)
if len(ExpectNodeClaims(ctx, env.Client)) == 2 {
break
}
}
nodeClaimNode = ExpectNodeExists(ctx, env.Client, nodeClaimNode.Name)
Expect(nodeClaimNode.Spec.Taints).To(ContainElement(v1beta1.DisruptionNoScheduleTaint))
createdNodeClaim := lo.Reject(ExpectNodeClaims(ctx, env.Client), func(nc *v1beta1.NodeClaim, _ int) bool {
return nc.Name == nodeClaim.Name
})
ExpectDeleted(ctx, env.Client, createdNodeClaim[0])
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, createdNodeClaim[0])
ExpectNotFound(ctx, env.Client, createdNodeClaim[0])
wg.Wait()
nodeClaimNode = ExpectNodeExists(ctx, env.Client, nodeClaimNode.Name)
Expect(nodeClaimNode.Spec.Taints).ToNot(ContainElement(v1beta1.DisruptionNoScheduleTaint))
})
It("should add and remove taints from Machines that fail to disrupt", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
ExpectApplied(ctx, env.Client, provisioner, machine, machineNode, pod)
ExpectManualBinding(ctx, env.Client, pod, machineNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
fakeClock.Step(10 * time.Minute)
// Trigger the reconcile loop to start but don't trigger the verify action
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
ExpectTriggerVerifyAction(&wg)
ExpectReconcileFailed(ctx, disruptionController, client.ObjectKey{})
}()
// Iterate in a loop until we get to the validation action
// Then, apply the pods to the cluster and bind them to the nodes
for {
time.Sleep(100 * time.Millisecond)
if len(ExpectMachines(ctx, env.Client)) == 2 {
break
}
}
machineNode = ExpectNodeExists(ctx, env.Client, machineNode.Name)
Expect(machineNode.Spec.Unschedulable).To(BeTrue())
createdMachine := lo.Reject(ExpectMachines(ctx, env.Client), func(m *v1alpha5.Machine, _ int) bool {
return m.Name == machine.Name
})
ExpectDeleted(ctx, env.Client, createdMachine[0])
ExpectMachinesCascadeDeletion(ctx, env.Client, createdMachine[0])
ExpectNotFound(ctx, env.Client, createdMachine[0])
wg.Wait()
machineNode = ExpectNodeExists(ctx, env.Client, machineNode.Name)
Expect(machineNode.Spec.Unschedulable).To(BeFalse())
})
})
var _ = Describe("Combined/Disruption", func() {
var provisioner *v1alpha5.Provisioner
var machine *v1alpha5.Machine
var nodePool *v1beta1.NodePool
var nodeClaim *v1beta1.NodeClaim
var machineNode, nodeClaimNode *v1.Node
BeforeEach(func() {
provisioner = test.Provisioner()
machine, machineNode = test.MachineAndNode(v1alpha5.Machine{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1alpha5.ProvisionerNameLabelKey: provisioner.Name,
v1.LabelInstanceTypeStable: mostExpensiveInstance.Name,
v1alpha5.LabelCapacityType: mostExpensiveOffering.CapacityType,
v1.LabelTopologyZone: mostExpensiveOffering.Zone,
},
},
Status: v1alpha5.MachineStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
nodePool = test.NodePool()
nodeClaim, nodeClaimNode = test.NodeClaimAndNode(v1beta1.NodeClaim{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1beta1.NodePoolLabelKey: nodePool.Name,
v1.LabelInstanceTypeStable: mostExpensiveInstance.Name,
v1beta1.CapacityTypeLabelKey: mostExpensiveOffering.CapacityType,
v1.LabelTopologyZone: mostExpensiveOffering.Zone,
},
},
Status: v1beta1.NodeClaimStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
})
It("should disrupt all empty Machine and NodeClaims in parallel (Emptiness)", func() {
provisioner.Spec.TTLSecondsAfterEmpty = lo.ToPtr[int64](30)
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenEmpty
nodePool.Spec.Disruption.ConsolidateAfter = &v1beta1.NillableDuration{Duration: lo.ToPtr(time.Second * 30)}
machine.StatusConditions().MarkTrue(v1alpha5.MachineEmpty)
nodeClaim.StatusConditions().MarkTrue(v1beta1.Empty)
ExpectApplied(ctx, env.Client, provisioner, nodePool, machine, nodeClaim, machineNode, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machine to the node
ExpectMachinesCascadeDeletion(ctx, env.Client, machine)
// Cascade any deletion of the nodeclaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// Expect that the empty machine is gone
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
// Expect that the empty nodeclaim is gone
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(0))
ExpectNotFound(ctx, env.Client, machine, nodeClaim, machineNode, nodeClaimNode)
})
It("should disrupt all empty Machine and NodeClaims in parallel (Expiration)", func() {
provisioner.Spec.TTLSecondsUntilExpired = lo.ToPtr[int64](30)
nodePool.Spec.Disruption.ExpireAfter = v1beta1.NillableDuration{Duration: lo.ToPtr(time.Second * 30)}
machine.StatusConditions().MarkTrue(v1alpha5.MachineExpired)
nodeClaim.StatusConditions().MarkTrue(v1beta1.Expired)
ExpectApplied(ctx, env.Client, provisioner, nodePool, machine, nodeClaim, machineNode, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machine to the node
ExpectMachinesCascadeDeletion(ctx, env.Client, machine)
// Cascade any deletion of the nodeclaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// Expect that the expired machine is gone
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
// Expect that the expired nodeclaim is gone
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(0))
ExpectNotFound(ctx, env.Client, machine, nodeClaim, machineNode, nodeClaimNode)
})
It("should disrupt all empty Machine and NodeClaims in parallel (Drift)", func() {
machine.StatusConditions().MarkTrue(v1alpha5.MachineDrifted)
nodeClaim.StatusConditions().MarkTrue(v1beta1.Drifted)
ExpectApplied(ctx, env.Client, provisioner, nodePool, machine, nodeClaim, machineNode, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machine to the node
ExpectMachinesCascadeDeletion(ctx, env.Client, machine)
// Cascade any deletion of the nodeclaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// Expect that the drifted machine is gone
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
// Expect that the drifted nodeclaim is gone
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(0))
ExpectNotFound(ctx, env.Client, machine, nodeClaim, machineNode, nodeClaimNode)
})
It("should disrupt all empty Machine and NodeClaims in parallel (Consolidation)", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
ExpectApplied(ctx, env.Client, provisioner, nodePool, machine, nodeClaim, machineNode, nodeClaimNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machine to the node
ExpectMachinesCascadeDeletion(ctx, env.Client, machine)
// Cascade any deletion of the nodeclaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// Expect that the empty machine is gone due to consolidation
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
// Expect that the empty nodeclaim is gone due to consolidation
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(0))
ExpectNotFound(ctx, env.Client, machine, nodeClaim, machineNode, nodeClaimNode)
})
It("should disrupt a Machine and replace with a cheaper NodeClaim", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
currentInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "current-on-demand",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeOnDemand,
Zone: "test-zone-1a",
Price: 1.5,
Available: false,
},
},
})
replacementInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "spot-replacement",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1a",
Price: 1.0,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1b",
Price: 0.2,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1c",
Price: 0.4,
Available: true,
},
},
})
cloudProvider.InstanceTypes = []*cloudprovider.InstanceType{
currentInstance,
replacementInstance,
}
nodePool.Spec.Template.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{replacementInstance.Name},
},
{
Key: v1alpha5.LabelCapacityType,
Operator: v1.NodeSelectorOpExists,
},
}
provisioner.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{currentInstance.Name},
},
}
machine.Labels = lo.Assign(machine.Labels, map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1alpha5.LabelCapacityType: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
})
machineNode.Labels = lo.Assign(machineNode.Labels, map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1alpha5.LabelCapacityType: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
})
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
ExpectApplied(ctx, env.Client, provisioner, nodePool, machine, machineNode, pod)
ExpectManualBinding(ctx, env.Client, pod, machineNode)
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, []*v1.Node{machineNode}, []*v1alpha5.Machine{machine})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectMakeNewNodeClaimsReady(ctx, env.Client, &wg, cluster, cloudProvider, 1)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machine to the node
ExpectMachinesCascadeDeletion(ctx, env.Client, machine)
// a machine should be replaced with a single nodeclaim
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(1))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(1))
ExpectNotFound(ctx, env.Client, machine, machineNode)
})
It("should disrupt multiple Machines and replace with a single cheaper NodeClaim", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
currentInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "current-on-demand",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeOnDemand,
Zone: "test-zone-1a",
Price: 1.5,
Available: false,
},
},
})
replacementInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "spot-replacement",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1a",
Price: 1.0,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1b",
Price: 0.2,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1c",
Price: 0.4,
Available: true,
},
},
})
cloudProvider.InstanceTypes = []*cloudprovider.InstanceType{
currentInstance,
replacementInstance,
}
nodePool.Spec.Template.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{replacementInstance.Name},
},
}
provisioner.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{currentInstance.Name},
},
{
Key: v1alpha5.LabelCapacityType,
Operator: v1.NodeSelectorOpExists,
},
}
ExpectApplied(ctx, env.Client, provisioner, nodePool)
var machines []*v1alpha5.Machine
var nodes []*v1.Node
for i := 0; i < 5; i++ {
m, n := test.MachineAndNode(v1alpha5.Machine{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1alpha5.ProvisionerNameLabelKey: provisioner.Name,
v1.LabelInstanceTypeStable: currentInstance.Name,
v1alpha5.LabelCapacityType: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
},
},
Status: v1alpha5.MachineStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),
},
},
})
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
machines = append(machines, m)
nodes = append(nodes, n)
ExpectApplied(ctx, env.Client, m, n, pod)
ExpectManualBinding(ctx, env.Client, pod, n)
}
// inform cluster state about nodes and machines
ExpectMakeNodesAndMachinesInitializedAndStateUpdated(ctx, env.Client, nodeStateController, machineStateController, nodes, machines)
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectMakeNewNodeClaimsReady(ctx, env.Client, &wg, cluster, cloudProvider, 1)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the machines to the nodes
ExpectMachinesCascadeDeletion(ctx, env.Client, machines...)
// all machines should be replaced with a single nodeclaim
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(1))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(1))
ExpectNotFound(ctx, env.Client, lo.Map(machines, func(m *v1alpha5.Machine, _ int) client.Object { return m })...)
ExpectNotFound(ctx, env.Client, lo.Map(nodes, func(n *v1.Node, _ int) client.Object { return n })...)
})
It("should disrupt a NodeClaim and replace with a cheaper Machine", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
currentInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "current-on-demand",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeOnDemand,
Zone: "test-zone-1a",
Price: 1.5,
Available: false,
},
},
})
replacementInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "spot-replacement",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1a",
Price: 1.0,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1b",
Price: 0.2,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1c",
Price: 0.4,
Available: true,
},
},
})
cloudProvider.InstanceTypes = []*cloudprovider.InstanceType{
currentInstance,
replacementInstance,
}
nodePool.Spec.Template.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{currentInstance.Name},
},
}
provisioner.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{replacementInstance.Name},
},
{
Key: v1alpha5.LabelCapacityType,
Operator: v1.NodeSelectorOpExists,
},
}
nodeClaim.Labels = lo.Assign(nodeClaim.Labels, map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1beta1.CapacityTypeLabelKey: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
})
nodeClaimNode.Labels = lo.Assign(nodeClaimNode.Labels, map[string]string{
v1.LabelInstanceTypeStable: currentInstance.Name,
v1beta1.CapacityTypeLabelKey: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
})
pod := test.Pod(test.PodOptions{
ResourceRequirements: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("100Mi"),
},
},
})
ExpectApplied(ctx, env.Client, provisioner, nodePool, nodeClaim, nodeClaimNode, pod)
ExpectManualBinding(ctx, env.Client, pod, nodeClaimNode)
// inform cluster state about nodes and nodeclaims
ExpectMakeNodesAndNodeClaimsInitializedAndStateUpdated(ctx, env.Client, nodeStateController, nodeClaimStateController, []*v1.Node{nodeClaimNode}, []*v1beta1.NodeClaim{nodeClaim})
fakeClock.Step(10 * time.Minute)
wg := sync.WaitGroup{}
ExpectTriggerVerifyAction(&wg)
ExpectMakeNewMachinesReady(ctx, env.Client, &wg, cluster, cloudProvider, 1)
ExpectReconcileSucceeded(ctx, disruptionController, types.NamespacedName{})
wg.Wait()
// Cascade any deletion of the nodeclaim to the node
ExpectNodeClaimsCascadeDeletion(ctx, env.Client, nodeClaim)
// a nodeclaim should be replaced with a single machine
Expect(ExpectNodeClaims(ctx, env.Client)).To(HaveLen(0))
Expect(ExpectMachines(ctx, env.Client)).To(HaveLen(1))
Expect(ExpectNodes(ctx, env.Client)).To(HaveLen(1))
ExpectNotFound(ctx, env.Client, nodeClaim, nodeClaimNode)
})
It("should disrupt multiple NodeClaims and replace with a single cheaper Machine", func() {
provisioner.Spec.Consolidation = &v1alpha5.Consolidation{Enabled: lo.ToPtr(true)}
nodePool.Spec.Disruption.ConsolidationPolicy = v1beta1.ConsolidationPolicyWhenUnderutilized
currentInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "current-on-demand",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeOnDemand,
Zone: "test-zone-1a",
Price: 1.5,
Available: false,
},
},
})
replacementInstance := fake.NewInstanceType(fake.InstanceTypeOptions{
Name: "spot-replacement",
Offerings: []cloudprovider.Offering{
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1a",
Price: 1.0,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1b",
Price: 0.2,
Available: true,
},
{
CapacityType: v1alpha5.CapacityTypeSpot,
Zone: "test-zone-1c",
Price: 0.4,
Available: true,
},
},
})
cloudProvider.InstanceTypes = []*cloudprovider.InstanceType{
currentInstance,
replacementInstance,
}
nodePool.Spec.Template.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{currentInstance.Name},
},
}
provisioner.Spec.Requirements = []v1.NodeSelectorRequirement{
{
Key: v1.LabelInstanceTypeStable,
Operator: v1.NodeSelectorOpIn,
Values: []string{replacementInstance.Name},
},
{
Key: v1alpha5.LabelCapacityType,
Operator: v1.NodeSelectorOpExists,
},
}
ExpectApplied(ctx, env.Client, provisioner, nodePool)
var nodeClaims []*v1beta1.NodeClaim
var nodes []*v1.Node
for i := 0; i < 5; i++ {
nc, n := test.NodeClaimAndNode(v1beta1.NodeClaim{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
v1beta1.NodePoolLabelKey: nodePool.Name,
v1.LabelInstanceTypeStable: currentInstance.Name,
v1beta1.CapacityTypeLabelKey: currentInstance.Offerings[0].CapacityType,
v1.LabelTopologyZone: currentInstance.Offerings[0].Zone,
},
},
Status: v1beta1.NodeClaimStatus{
ProviderID: test.RandomProviderID(),
Allocatable: map[v1.ResourceName]resource.Quantity{
v1.ResourceCPU: resource.MustParse("32"),
v1.ResourcePods: resource.MustParse("100"),