/
clusterctl_helpers.go
470 lines (412 loc) · 22 KB
/
clusterctl_helpers.go
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/*
Copyright 2020 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 clusterctl
import (
"context"
"os"
"path/filepath"
"time"
. "github.com/onsi/gomega"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/klog/v2"
clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
"sigs.k8s.io/cluster-api/cmd/clusterctl/client/config"
controlplanev1 "sigs.k8s.io/cluster-api/controlplane/kubeadm/api/v1beta1"
expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta1"
"sigs.k8s.io/cluster-api/test/framework"
"sigs.k8s.io/cluster-api/test/framework/internal/log"
)
// InitManagementClusterAndWatchControllerLogsInput is the input type for InitManagementClusterAndWatchControllerLogs.
type InitManagementClusterAndWatchControllerLogsInput struct {
ClusterProxy framework.ClusterProxy
ClusterctlConfigPath string
CoreProvider string
BootstrapProviders []string
ControlPlaneProviders []string
InfrastructureProviders []string
IPAMProviders []string
RuntimeExtensionProviders []string
AddonProviders []string
LogFolder string
DisableMetricsCollection bool
ClusterctlBinaryPath string
}
// InitManagementClusterAndWatchControllerLogs initializes a management using clusterctl and setup watches for controller logs.
// Important: Considering we want to support test suites using existing clusters, clusterctl init is executed only in case
// there are no provider controllers in the cluster; but controller logs watchers are created regardless of the pre-existing providers.
func InitManagementClusterAndWatchControllerLogs(ctx context.Context, input InitManagementClusterAndWatchControllerLogsInput, intervals ...interface{}) {
Expect(ctx).NotTo(BeNil(), "ctx is required for InitManagementClusterAndWatchControllerLogs")
Expect(input.ClusterProxy).ToNot(BeNil(), "Invalid argument. input.ClusterProxy can't be nil when calling InitManagementClusterAndWatchControllerLogs")
Expect(input.ClusterctlConfigPath).To(BeAnExistingFile(), "Invalid argument. input.ClusterctlConfigPath must be an existing file when calling InitManagementClusterAndWatchControllerLogs")
Expect(input.InfrastructureProviders).ToNot(BeEmpty(), "Invalid argument. input.InfrastructureProviders can't be empty when calling InitManagementClusterAndWatchControllerLogs")
Expect(os.MkdirAll(input.LogFolder, 0750)).To(Succeed(), "Invalid argument. input.LogFolder can't be created for InitManagementClusterAndWatchControllerLogs")
if input.CoreProvider == "" {
input.CoreProvider = config.ClusterAPIProviderName
}
if len(input.BootstrapProviders) == 0 {
input.BootstrapProviders = []string{config.KubeadmBootstrapProviderName}
}
if len(input.ControlPlaneProviders) == 0 {
input.ControlPlaneProviders = []string{config.KubeadmControlPlaneProviderName}
}
client := input.ClusterProxy.GetClient()
controllersDeployments := framework.GetControllerDeployments(ctx, framework.GetControllerDeploymentsInput{
Lister: client,
})
if len(controllersDeployments) == 0 {
initInput := InitInput{
// pass reference to the management cluster hosting this test
KubeconfigPath: input.ClusterProxy.GetKubeconfigPath(),
// pass the clusterctl config file that points to the local provider repository created for this test
ClusterctlConfigPath: input.ClusterctlConfigPath,
// setup the desired list of providers for a single-tenant management cluster
CoreProvider: input.CoreProvider,
BootstrapProviders: input.BootstrapProviders,
ControlPlaneProviders: input.ControlPlaneProviders,
InfrastructureProviders: input.InfrastructureProviders,
IPAMProviders: input.IPAMProviders,
RuntimeExtensionProviders: input.RuntimeExtensionProviders,
AddonProviders: input.AddonProviders,
// setup clusterctl logs folder
LogFolder: input.LogFolder,
}
if input.ClusterctlBinaryPath != "" {
InitWithBinary(ctx, input.ClusterctlBinaryPath, initInput)
} else {
Init(ctx, initInput)
}
}
log.Logf("Waiting for provider controllers to be running")
controllersDeployments = framework.GetControllerDeployments(ctx, framework.GetControllerDeploymentsInput{
Lister: client,
})
Expect(controllersDeployments).ToNot(BeEmpty(), "The list of controller deployments should not be empty")
for _, deployment := range controllersDeployments {
framework.WaitForDeploymentsAvailable(ctx, framework.WaitForDeploymentsAvailableInput{
Getter: client,
Deployment: deployment,
}, intervals...)
// Start streaming logs from all controller providers
framework.WatchDeploymentLogsByName(ctx, framework.WatchDeploymentLogsByNameInput{
GetLister: client,
Cache: input.ClusterProxy.GetCache(ctx),
ClientSet: input.ClusterProxy.GetClientSet(),
Deployment: deployment,
LogPath: filepath.Join(input.LogFolder, "logs", deployment.GetNamespace()),
})
if !input.DisableMetricsCollection {
framework.WatchPodMetrics(ctx, framework.WatchPodMetricsInput{
GetLister: client,
ClientSet: input.ClusterProxy.GetClientSet(),
Deployment: deployment,
MetricsPath: filepath.Join(input.LogFolder, "metrics", deployment.GetNamespace()),
})
}
}
}
// UpgradeManagementClusterAndWaitInput is the input type for UpgradeManagementClusterAndWait.
type UpgradeManagementClusterAndWaitInput struct {
ClusterProxy framework.ClusterProxy
ClusterctlConfigPath string
ClusterctlVariables map[string]string
Contract string
CoreProvider string
BootstrapProviders []string
ControlPlaneProviders []string
InfrastructureProviders []string
IPAMProviders []string
RuntimeExtensionProviders []string
AddonProviders []string
LogFolder string
ClusterctlBinaryPath string
}
// UpgradeManagementClusterAndWait upgrades provider a management cluster using clusterctl, and waits for the cluster to be ready.
func UpgradeManagementClusterAndWait(ctx context.Context, input UpgradeManagementClusterAndWaitInput, intervals ...interface{}) {
Expect(ctx).NotTo(BeNil(), "ctx is required for UpgradeManagementClusterAndWait")
Expect(input.ClusterProxy).ToNot(BeNil(), "Invalid argument. input.ClusterProxy can't be nil when calling UpgradeManagementClusterAndWait")
Expect(input.ClusterctlConfigPath).To(BeAnExistingFile(), "Invalid argument. input.ClusterctlConfigPath must be an existing file when calling UpgradeManagementClusterAndWait")
// Check if the user want a custom upgrade
isCustomUpgrade := input.CoreProvider != "" ||
len(input.BootstrapProviders) > 0 ||
len(input.ControlPlaneProviders) > 0 ||
len(input.InfrastructureProviders) > 0 ||
len(input.IPAMProviders) > 0 ||
len(input.RuntimeExtensionProviders) > 0 ||
len(input.AddonProviders) > 0
Expect((input.Contract != "" && !isCustomUpgrade) || (input.Contract == "" && isCustomUpgrade)).To(BeTrue(), `Invalid argument. Either the input.Contract parameter or at least one of the following providers has to be set:
input.CoreProvider, input.BootstrapProviders, input.ControlPlaneProviders, input.InfrastructureProviders, input.IPAMProviders, input.RuntimeExtensionProviders, input.AddonProviders`)
Expect(os.MkdirAll(input.LogFolder, 0750)).To(Succeed(), "Invalid argument. input.LogFolder can't be created for UpgradeManagementClusterAndWait")
upgradeInput := UpgradeInput{
ClusterctlConfigPath: input.ClusterctlConfigPath,
ClusterctlVariables: input.ClusterctlVariables,
ClusterName: input.ClusterProxy.GetName(),
KubeconfigPath: input.ClusterProxy.GetKubeconfigPath(),
Contract: input.Contract,
CoreProvider: input.CoreProvider,
BootstrapProviders: input.BootstrapProviders,
ControlPlaneProviders: input.ControlPlaneProviders,
InfrastructureProviders: input.InfrastructureProviders,
IPAMProviders: input.IPAMProviders,
RuntimeExtensionProviders: input.RuntimeExtensionProviders,
AddonProviders: input.AddonProviders,
LogFolder: input.LogFolder,
}
if input.ClusterctlBinaryPath != "" {
UpgradeWithBinary(ctx, input.ClusterctlBinaryPath, upgradeInput)
} else {
Upgrade(ctx, upgradeInput)
}
client := input.ClusterProxy.GetClient()
log.Logf("Waiting for provider controllers to be running")
controllersDeployments := framework.GetControllerDeployments(ctx, framework.GetControllerDeploymentsInput{
Lister: client,
// This namespace has been dropped in v0.4.x.
// We have to exclude this namespace here as after an upgrade from v0.3x there won't
// be a controller in this namespace anymore and if we wait for it to come up the test would fail.
// Note: We can drop this as soon as we don't have a test upgrading from v0.3.x anymore.
ExcludeNamespaces: []string{"capi-webhook-system"},
})
Expect(controllersDeployments).ToNot(BeEmpty(), "The list of controller deployments should not be empty")
for _, deployment := range controllersDeployments {
framework.WaitForDeploymentsAvailable(ctx, framework.WaitForDeploymentsAvailableInput{
Getter: client,
Deployment: deployment,
}, intervals...)
framework.WatchPodMetrics(ctx, framework.WatchPodMetricsInput{
GetLister: client,
ClientSet: input.ClusterProxy.GetClientSet(),
Deployment: deployment,
MetricsPath: filepath.Join(input.LogFolder, "metrics", deployment.GetNamespace()),
})
}
}
// ApplyClusterTemplateAndWaitInput is the input type for ApplyClusterTemplateAndWait.
type ApplyClusterTemplateAndWaitInput struct {
ClusterProxy framework.ClusterProxy
ConfigCluster ConfigClusterInput
CNIManifestPath string
WaitForClusterIntervals []interface{}
WaitForControlPlaneIntervals []interface{}
WaitForMachineDeployments []interface{}
WaitForMachinePools []interface{}
Args []string // extra args to be used during `kubectl apply`
PreWaitForCluster func()
PostMachinesProvisioned func()
ControlPlaneWaiters
}
// Waiter is a function that runs and waits for a long-running operation to finish and updates the result.
type Waiter func(ctx context.Context, input ApplyCustomClusterTemplateAndWaitInput, result *ApplyCustomClusterTemplateAndWaitResult)
// ControlPlaneWaiters are Waiter functions for the control plane.
type ControlPlaneWaiters struct {
WaitForControlPlaneInitialized Waiter
WaitForControlPlaneMachinesReady Waiter
}
// ApplyClusterTemplateAndWaitResult is the output type for ApplyClusterTemplateAndWait.
type ApplyClusterTemplateAndWaitResult struct {
ClusterClass *clusterv1.ClusterClass
Cluster *clusterv1.Cluster
ControlPlane *controlplanev1.KubeadmControlPlane
MachineDeployments []*clusterv1.MachineDeployment
MachinePools []*expv1.MachinePool
}
// ExpectedWorkerNodes returns the expected number of worker nodes that will
// be provisioned by the given cluster template.
func (r *ApplyClusterTemplateAndWaitResult) ExpectedWorkerNodes() int32 {
expectedWorkerNodes := int32(0)
for _, md := range r.MachineDeployments {
if md.Spec.Replicas != nil {
expectedWorkerNodes += *md.Spec.Replicas
}
}
for _, mp := range r.MachinePools {
if mp.Spec.Replicas != nil {
expectedWorkerNodes += *mp.Spec.Replicas
}
}
return expectedWorkerNodes
}
// ExpectedTotalNodes returns the expected number of nodes that will
// be provisioned by the given cluster template.
func (r *ApplyClusterTemplateAndWaitResult) ExpectedTotalNodes() int32 {
expectedNodes := r.ExpectedWorkerNodes()
if r.ControlPlane != nil && r.ControlPlane.Spec.Replicas != nil {
expectedNodes += *r.ControlPlane.Spec.Replicas
}
return expectedNodes
}
// ApplyClusterTemplateAndWait gets a cluster template using clusterctl, and waits for the cluster to be ready.
// Important! this method assumes the cluster uses a KubeadmControlPlane and MachineDeployments.
func ApplyClusterTemplateAndWait(ctx context.Context, input ApplyClusterTemplateAndWaitInput, result *ApplyClusterTemplateAndWaitResult) {
Expect(ctx).NotTo(BeNil(), "ctx is required for ApplyClusterTemplateAndWait")
Expect(input.ClusterProxy).ToNot(BeNil(), "Invalid argument. input.ClusterProxy can't be nil when calling ApplyClusterTemplateAndWait")
Expect(result).ToNot(BeNil(), "Invalid argument. result can't be nil when calling ApplyClusterTemplateAndWait")
Expect(input.ConfigCluster.ControlPlaneMachineCount).ToNot(BeNil())
Expect(input.ConfigCluster.WorkerMachineCount).ToNot(BeNil())
log.Logf("Creating the workload cluster with name %q using the %q template (Kubernetes %s, %d control-plane machines, %d worker machines)",
input.ConfigCluster.ClusterName, valueOrDefault(input.ConfigCluster.Flavor), input.ConfigCluster.KubernetesVersion, *input.ConfigCluster.ControlPlaneMachineCount, *input.ConfigCluster.WorkerMachineCount)
// Ensure we have a Cluster for dump and cleanup steps in AfterEach even if ApplyClusterTemplateAndWait fails.
result.Cluster = &clusterv1.Cluster{
ObjectMeta: metav1.ObjectMeta{
Name: input.ConfigCluster.ClusterName,
Namespace: input.ConfigCluster.Namespace,
},
}
log.Logf("Getting the cluster template yaml")
workloadClusterTemplate := ConfigCluster(ctx, ConfigClusterInput{
// pass reference to the management cluster hosting this test
KubeconfigPath: input.ConfigCluster.KubeconfigPath,
// pass the clusterctl config file that points to the local provider repository created for this test,
ClusterctlConfigPath: input.ConfigCluster.ClusterctlConfigPath,
// select template
Flavor: input.ConfigCluster.Flavor,
// define template variables
Namespace: input.ConfigCluster.Namespace,
ClusterName: input.ConfigCluster.ClusterName,
KubernetesVersion: input.ConfigCluster.KubernetesVersion,
ControlPlaneMachineCount: input.ConfigCluster.ControlPlaneMachineCount,
WorkerMachineCount: input.ConfigCluster.WorkerMachineCount,
InfrastructureProvider: input.ConfigCluster.InfrastructureProvider,
// setup clusterctl logs folder
LogFolder: input.ConfigCluster.LogFolder,
ClusterctlVariables: input.ConfigCluster.ClusterctlVariables,
})
Expect(workloadClusterTemplate).ToNot(BeNil(), "Failed to get the cluster template")
ApplyCustomClusterTemplateAndWait(ctx, ApplyCustomClusterTemplateAndWaitInput{
ClusterProxy: input.ClusterProxy,
CustomTemplateYAML: workloadClusterTemplate,
ClusterName: input.ConfigCluster.ClusterName,
Namespace: input.ConfigCluster.Namespace,
CNIManifestPath: input.CNIManifestPath,
Flavor: input.ConfigCluster.Flavor,
WaitForClusterIntervals: input.WaitForClusterIntervals,
WaitForControlPlaneIntervals: input.WaitForControlPlaneIntervals,
WaitForMachineDeployments: input.WaitForMachineDeployments,
WaitForMachinePools: input.WaitForMachinePools,
Args: input.Args,
PreWaitForCluster: input.PreWaitForCluster,
PostMachinesProvisioned: input.PostMachinesProvisioned,
ControlPlaneWaiters: input.ControlPlaneWaiters,
}, (*ApplyCustomClusterTemplateAndWaitResult)(result))
}
// ApplyCustomClusterTemplateAndWaitInput is the input type for ApplyCustomClusterTemplateAndWait.
type ApplyCustomClusterTemplateAndWaitInput struct {
ClusterProxy framework.ClusterProxy
CustomTemplateYAML []byte
ClusterName string
Namespace string
CNIManifestPath string
Flavor string
WaitForClusterIntervals []interface{}
WaitForControlPlaneIntervals []interface{}
WaitForMachineDeployments []interface{}
WaitForMachinePools []interface{}
Args []string // extra args to be used during `kubectl apply`
PreWaitForCluster func()
PostMachinesProvisioned func()
ControlPlaneWaiters
}
type ApplyCustomClusterTemplateAndWaitResult struct {
ClusterClass *clusterv1.ClusterClass
Cluster *clusterv1.Cluster
ControlPlane *controlplanev1.KubeadmControlPlane
MachineDeployments []*clusterv1.MachineDeployment
MachinePools []*expv1.MachinePool
}
func ApplyCustomClusterTemplateAndWait(ctx context.Context, input ApplyCustomClusterTemplateAndWaitInput, result *ApplyCustomClusterTemplateAndWaitResult) {
setDefaults(&input)
Expect(ctx).NotTo(BeNil(), "ctx is required for ApplyCustomClusterTemplateAndWait")
Expect(input.ClusterProxy).ToNot(BeNil(), "Invalid argument. input.ClusterProxy can't be nil when calling ApplyCustomClusterTemplateAndWait")
Expect(input.CustomTemplateYAML).NotTo(BeEmpty(), "Invalid argument. input.CustomTemplateYAML can't be empty when calling ApplyCustomClusterTemplateAndWait")
Expect(input.ClusterName).NotTo(BeEmpty(), "Invalid argument. input.ClusterName can't be empty when calling ApplyCustomClusterTemplateAndWait")
Expect(input.Namespace).NotTo(BeEmpty(), "Invalid argument. input.Namespace can't be empty when calling ApplyCustomClusterTemplateAndWait")
Expect(result).ToNot(BeNil(), "Invalid argument. result can't be nil when calling ApplyClusterTemplateAndWait")
log.Logf("Creating the workload cluster with name %q from the provided yaml", input.ClusterName)
// Ensure we have a Cluster for dump and cleanup steps in AfterEach even if ApplyClusterTemplateAndWait fails.
result.Cluster = &clusterv1.Cluster{
ObjectMeta: metav1.ObjectMeta{
Name: input.ClusterName,
Namespace: input.Namespace,
},
}
log.Logf("Applying the cluster template yaml of cluster %s", klog.KRef(input.Namespace, input.ClusterName))
Eventually(func() error {
return input.ClusterProxy.Apply(ctx, input.CustomTemplateYAML, input.Args...)
}, 1*time.Minute).Should(Succeed(), "Failed to apply the cluster template")
// Once we applied the cluster template we can run PreWaitForCluster.
// Note: This can e.g. be used to verify the BeforeClusterCreate lifecycle hook is executed
// and blocking correctly.
if input.PreWaitForCluster != nil {
log.Logf("Calling PreWaitForCluster for cluster %s", klog.KRef(input.Namespace, input.ClusterName))
input.PreWaitForCluster()
}
log.Logf("Waiting for the cluster infrastructure of cluster %s to be provisioned", klog.KRef(input.Namespace, input.ClusterName))
result.Cluster = framework.DiscoveryAndWaitForCluster(ctx, framework.DiscoveryAndWaitForClusterInput{
Getter: input.ClusterProxy.GetClient(),
Namespace: input.Namespace,
Name: input.ClusterName,
}, input.WaitForClusterIntervals...)
if result.Cluster.Spec.Topology != nil {
result.ClusterClass = framework.GetClusterClassByName(ctx, framework.GetClusterClassByNameInput{
Getter: input.ClusterProxy.GetClient(),
Namespace: input.Namespace,
Name: result.Cluster.Spec.Topology.Class,
})
}
log.Logf("Waiting for control plane of cluster %s to be initialized", klog.KRef(input.Namespace, input.ClusterName))
input.WaitForControlPlaneInitialized(ctx, input, result)
if input.CNIManifestPath != "" {
log.Logf("Installing a CNI plugin to the workload cluster %s", klog.KRef(input.Namespace, input.ClusterName))
workloadCluster := input.ClusterProxy.GetWorkloadCluster(ctx, result.Cluster.Namespace, result.Cluster.Name)
cniYaml, err := os.ReadFile(input.CNIManifestPath)
Expect(err).ShouldNot(HaveOccurred())
Expect(workloadCluster.Apply(ctx, cniYaml)).ShouldNot(HaveOccurred())
}
log.Logf("Waiting for control plane of cluster %s to be ready", klog.KRef(input.Namespace, input.ClusterName))
input.WaitForControlPlaneMachinesReady(ctx, input, result)
log.Logf("Waiting for the machine deployments of cluster %s to be provisioned", klog.KRef(input.Namespace, input.ClusterName))
result.MachineDeployments = framework.DiscoveryAndWaitForMachineDeployments(ctx, framework.DiscoveryAndWaitForMachineDeploymentsInput{
Lister: input.ClusterProxy.GetClient(),
Cluster: result.Cluster,
}, input.WaitForMachineDeployments...)
log.Logf("Waiting for the machine pools of cluster %s to be provisioned", klog.KRef(input.Namespace, input.ClusterName))
result.MachinePools = framework.DiscoveryAndWaitForMachinePools(ctx, framework.DiscoveryAndWaitForMachinePoolsInput{
Getter: input.ClusterProxy.GetClient(),
Lister: input.ClusterProxy.GetClient(),
Cluster: result.Cluster,
}, input.WaitForMachinePools...)
if input.PostMachinesProvisioned != nil {
log.Logf("Calling PostMachinesProvisioned for cluster %s", klog.KRef(input.Namespace, input.ClusterName))
input.PostMachinesProvisioned()
}
}
// setDefaults sets the default values for ApplyCustomClusterTemplateAndWaitInput if not set.
// Currently, we set the default ControlPlaneWaiters here, which are implemented for KubeadmControlPlane.
func setDefaults(input *ApplyCustomClusterTemplateAndWaitInput) {
if input.WaitForControlPlaneInitialized == nil {
input.WaitForControlPlaneInitialized = func(ctx context.Context, input ApplyCustomClusterTemplateAndWaitInput, result *ApplyCustomClusterTemplateAndWaitResult) {
result.ControlPlane = framework.DiscoveryAndWaitForControlPlaneInitialized(ctx, framework.DiscoveryAndWaitForControlPlaneInitializedInput{
Lister: input.ClusterProxy.GetClient(),
Cluster: result.Cluster,
}, input.WaitForControlPlaneIntervals...)
}
}
if input.WaitForControlPlaneMachinesReady == nil {
input.WaitForControlPlaneMachinesReady = func(ctx context.Context, input ApplyCustomClusterTemplateAndWaitInput, result *ApplyCustomClusterTemplateAndWaitResult) {
framework.WaitForControlPlaneAndMachinesReady(ctx, framework.WaitForControlPlaneAndMachinesReadyInput{
GetLister: input.ClusterProxy.GetClient(),
Cluster: result.Cluster,
ControlPlane: result.ControlPlane,
}, input.WaitForControlPlaneIntervals...)
}
}
}