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hostedcontrolplane_controller.go
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hostedcontrolplane_controller.go
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package hostedcontrolplane
import (
"context"
crand "crypto/rand"
"errors"
"fmt"
"math/big"
"net/http"
"os"
"sort"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
"github.com/aws/aws-sdk-go/service/kms"
"github.com/blang/semver"
"github.com/go-logr/logr"
routev1 "github.com/openshift/api/route/v1"
hyperv1 "github.com/openshift/hypershift/api/v1beta1"
awsutil "github.com/openshift/hypershift/cmd/infra/aws/util"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/autoscaler"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cloud/aws"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cloud/azure"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cloud/kubevirt"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cloud/powervs"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/clusterpolicy"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cno"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/common"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/configoperator"
kubevirtcsi "github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/csi/kubevirt"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/cvo"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/dnsoperator"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/etcd"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/ignition"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/ignitionserver"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/imageprovider"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/ingress"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/ingressoperator"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/kas"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/kcm"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/konnectivity"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/machineapprover"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/manifests"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/mcs"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/nto"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/oapi"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/oauth"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/ocm"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/olm"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/pki"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/registryoperator"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/routecm"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/scheduler"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/snapshotcontroller"
"github.com/openshift/hypershift/control-plane-operator/controllers/hostedcontrolplane/storage"
supportawsutil "github.com/openshift/hypershift/support/awsutil"
"github.com/openshift/hypershift/support/capabilities"
"github.com/openshift/hypershift/support/certs"
"github.com/openshift/hypershift/support/config"
"github.com/openshift/hypershift/support/events"
"github.com/openshift/hypershift/support/globalconfig"
"github.com/openshift/hypershift/support/metrics"
"github.com/openshift/hypershift/support/releaseinfo"
"github.com/openshift/hypershift/support/upsert"
"github.com/openshift/hypershift/support/util"
prometheusoperatorv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
policyv1 "k8s.io/api/policy/v1"
rbacv1 "k8s.io/api/rbac/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/duration"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/workqueue"
"k8s.io/utils/pointer"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
awssdk "github.com/aws/aws-sdk-go/aws"
)
const (
finalizer = "hypershift.openshift.io/finalizer"
DefaultAdminKubeconfigKey = "kubeconfig"
ImageStreamAutoscalerImage = "cluster-autoscaler"
ImageStreamClusterMachineApproverImage = "cluster-machine-approver"
resourceDeletionTimeout = 2 * time.Minute
hcpReadyRequeueInterval = 1 * time.Minute
hcpNotReadyRequeueInterval = 15 * time.Second
)
type InfrastructureStatus struct {
APIHost string
APIPort int32
OAuthHost string
OAuthPort int32
KonnectivityHost string
KonnectivityPort int32
OpenShiftAPIHost string
OauthAPIServerHost string
PackageServerAPIAddress string
Message string
InternalHCPRouterHost string
NeedInternalRouter bool
ExternalHCPRouterHost string
NeedExternalRouter bool
}
func (s InfrastructureStatus) IsReady() bool {
isReady := len(s.APIHost) > 0 &&
len(s.OAuthHost) > 0 &&
len(s.KonnectivityHost) > 0 &&
s.APIPort > 0 &&
s.OAuthPort > 0 &&
s.KonnectivityPort > 0
if s.NeedInternalRouter {
isReady = isReady && len(s.InternalHCPRouterHost) > 0
}
if s.NeedExternalRouter {
isReady = isReady && len(s.ExternalHCPRouterHost) > 0
}
return isReady
}
type HostedControlPlaneReconciler struct {
client.Client
// ManagementClusterCapabilities can be asked for support of optional management cluster capabilities
ManagementClusterCapabilities capabilities.CapabiltyChecker
// SetDefaultSecurityContext is used to configure Security Context for containers
SetDefaultSecurityContext bool
Log logr.Logger
ReleaseProvider releaseinfo.ProviderWithRegistryOverrides
createOrUpdate func(hcp *hyperv1.HostedControlPlane) upsert.CreateOrUpdateFN
EnableCIDebugOutput bool
OperateOnReleaseImage string
DefaultIngressDomain string
MetricsSet metrics.MetricsSet
SREConfigHash string
ec2Client ec2iface.EC2API
awsSession *session.Session
reconcileInfrastructureStatus func(ctx context.Context, hcp *hyperv1.HostedControlPlane) (InfrastructureStatus, error)
}
func (r *HostedControlPlaneReconciler) SetupWithManager(mgr ctrl.Manager, createOrUpdate upsert.CreateOrUpdateFN) error {
r.setup(createOrUpdate)
b := ctrl.NewControllerManagedBy(mgr).
For(&hyperv1.HostedControlPlane{}).
WithOptions(controller.Options{
RateLimiter: workqueue.NewItemExponentialFailureRateLimiter(1*time.Second, 10*time.Second),
})
for _, handler := range r.eventHandlers() {
b.Watches(&source.Kind{Type: handler.obj}, handler.handler)
}
if _, err := b.Build(r); err != nil {
return fmt.Errorf("failed setting up with a controller manager %w", err)
}
// Set based on SCC capability
// When SCC is available (OpenShift), the container's security context and UID range is automatically set
// When SCC is not available (Kubernetes), we want to explicitly set a default (non-root) security context
r.SetDefaultSecurityContext = !r.ManagementClusterCapabilities.Has(capabilities.CapabilitySecurityContextConstraint)
r.reconcileInfrastructureStatus = r.defaultReconcileInfrastructureStatus
r.ec2Client, r.awsSession = getEC2Client()
return nil
}
func getEC2Client() (ec2iface.EC2API, *session.Session) {
// AWS_SHARED_CREDENTIALS_FILE and AWS_REGION envvar should be set in operator deployment
// when reconciling an AWS hosted control plane
if os.Getenv("AWS_SHARED_CREDENTIALS_FILE") != "" {
awsSession := awsutil.NewSession("control-plane-operator", "", "", "", "")
awsConfig := awssdk.NewConfig()
ec2Client := ec2.New(awsSession, awsConfig)
return ec2Client, awsSession
}
return nil, nil
}
func isScrapeConfig(obj client.Object) bool {
switch obj.(type) {
case *prometheusoperatorv1.ServiceMonitor:
return true
case *prometheusoperatorv1.PodMonitor:
return true
}
return false
}
func isClusterVersionAvailable(hcp *hyperv1.HostedControlPlane) bool {
condition := meta.FindStatusCondition(hcp.Status.Conditions, string(hyperv1.ClusterVersionAvailable))
return condition != nil && condition.Status == metav1.ConditionTrue
}
func createOrUpdateWithDelayForScrapeConfigs(hcp *hyperv1.HostedControlPlane, upstreamCreateOrUpdate upsert.CreateOrUpdateFN) upsert.CreateOrUpdateFN {
return func(ctx context.Context, c client.Client, obj client.Object, f controllerutil.MutateFn) (controllerutil.OperationResult, error) {
// Skipping creation / update of scrape configs (servicemonitor and podmonitor resources) till condition ClusterVersionAvailable is met.
// Meeting this condition is equivalent to reach 'Complete' progress on the corresponding hosted cluster
if isScrapeConfig(obj) && !isClusterVersionAvailable(hcp) {
log := ctrl.LoggerFrom(ctx)
log.Info("Skipping creation/update of scrape config as "+string(hyperv1.ClusterVersionAvailable)+" condition is not yet met", "scrapeConfig", obj)
return controllerutil.OperationResultNone, nil
}
return upstreamCreateOrUpdate(ctx, c, obj, f)
}
}
func (r *HostedControlPlaneReconciler) setup(upstreamCreateOrUpdate upsert.CreateOrUpdateFN) {
createOrUpdateFactory := createOrUpdateWithOwnerRefFactory(upstreamCreateOrUpdate)
r.createOrUpdate = func(hcp *hyperv1.HostedControlPlane) upsert.CreateOrUpdateFN {
return createOrUpdateWithDelayForScrapeConfigs(hcp, createOrUpdateFactory(hcp))
}
}
type eventHandler struct {
obj client.Object
handler handler.EventHandler
}
func (r *HostedControlPlaneReconciler) eventHandlers() []eventHandler {
handlers := []eventHandler{
{obj: &corev1.Event{}, handler: handler.EnqueueRequestsFromMapFunc(r.hostedControlPlaneInNamespace)},
{obj: &corev1.Service{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &appsv1.Deployment{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &appsv1.StatefulSet{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &corev1.Secret{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &corev1.ConfigMap{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &corev1.ServiceAccount{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &policyv1.PodDisruptionBudget{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &prometheusoperatorv1.PodMonitor{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &prometheusoperatorv1.ServiceMonitor{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &prometheusoperatorv1.PrometheusRule{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &rbacv1.Role{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
{obj: &rbacv1.RoleBinding{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}},
}
if r.ManagementClusterCapabilities.Has(capabilities.CapabilityRoute) {
handlers = append(handlers, eventHandler{obj: &routev1.Route{}, handler: &handler.EnqueueRequestForOwner{OwnerType: &hyperv1.HostedControlPlane{}}})
}
return handlers
}
func (r *HostedControlPlaneReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
r.Log = ctrl.LoggerFrom(ctx)
r.Log.Info("Reconciling")
// Fetch the hostedControlPlane instance
hostedControlPlane := &hyperv1.HostedControlPlane{}
err := r.Client.Get(ctx, req.NamespacedName, hostedControlPlane)
if err != nil {
if apierrors.IsNotFound(err) {
return ctrl.Result{}, nil
}
return ctrl.Result{}, err
}
originalHostedControlPlane := hostedControlPlane.DeepCopy()
// This is the best effort ping to the identity provider
// that enables access from the operator to the cloud provider resources.
healthCheckIdentityProvider(ctx, hostedControlPlane)
// We want to ensure the healthCheckIdentityProvider condition is in status before we go through the deletion timestamp path.
if err := r.Client.Status().Patch(ctx, hostedControlPlane, client.MergeFromWithOptions(originalHostedControlPlane, client.MergeFromWithOptimisticLock{})); err != nil {
return ctrl.Result{}, fmt.Errorf("failed to update status: %w", err)
}
originalHostedControlPlane = hostedControlPlane.DeepCopy()
// Return early if deleted
if !hostedControlPlane.DeletionTimestamp.IsZero() {
if shouldCleanupCloudResources(r.Log, hostedControlPlane) {
if err := r.destroyAWSDefaultSecurityGroup(ctx, hostedControlPlane); err != nil {
if awsErrorCode(err) == "UnauthorizedOperation" {
r.Log.Info("Skipping AWS default security group deletion because the operator is not authorized to delete it.")
} else {
return ctrl.Result{}, fmt.Errorf("failed to delete AWS default security group: %w", err)
}
}
done, err := r.removeCloudResources(ctx, hostedControlPlane)
if err != nil {
return ctrl.Result{}, fmt.Errorf("failed to ensure cloud resources are removed: %w", err)
}
if !done {
return ctrl.Result{RequeueAfter: time.Minute}, nil
}
}
if controllerutil.ContainsFinalizer(hostedControlPlane, finalizer) {
originalHCP := hostedControlPlane.DeepCopy()
controllerutil.RemoveFinalizer(hostedControlPlane, finalizer)
if err := r.Patch(ctx, hostedControlPlane, client.MergeFromWithOptions(originalHCP, client.MergeFromWithOptimisticLock{})); err != nil {
return ctrl.Result{}, fmt.Errorf("failed to remove finalizer from cluster: %w", err)
}
}
return ctrl.Result{}, nil
}
// Ensure the hostedControlPlane has a finalizer for cleanup
if !controllerutil.ContainsFinalizer(hostedControlPlane, finalizer) {
originalHCP := hostedControlPlane.DeepCopy()
controllerutil.AddFinalizer(hostedControlPlane, finalizer)
if err := r.Patch(ctx, hostedControlPlane, client.MergeFromWithOptions(originalHCP, client.MergeFromWithOptimisticLock{})); err != nil {
return ctrl.Result{}, fmt.Errorf("failed to add finalizer to hostedControlPlane: %w", err)
}
}
if r.OperateOnReleaseImage != "" && r.OperateOnReleaseImage != hostedControlPlane.Spec.ReleaseImage {
r.Log.Info("releaseImage is %s, but this operator is configured for %s, skipping reconciliation", hostedControlPlane.Spec.ReleaseImage, r.OperateOnReleaseImage)
return ctrl.Result{}, nil
}
// Reconcile global configuration validation status
{
condition := metav1.Condition{
Type: string(hyperv1.ValidHostedControlPlaneConfiguration),
ObservedGeneration: hostedControlPlane.Generation,
}
if err := r.validateConfigAndClusterCapabilities(hostedControlPlane); err != nil {
condition.Status = metav1.ConditionFalse
condition.Message = err.Error()
condition.Reason = hyperv1.InsufficientClusterCapabilitiesReason
} else {
condition.Status = metav1.ConditionTrue
condition.Message = "Configuration passes validation"
condition.Reason = hyperv1.AsExpectedReason
}
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, condition)
}
// Reconcile etcd cluster status
{
newCondition := metav1.Condition{
Type: string(hyperv1.EtcdAvailable),
Status: metav1.ConditionUnknown,
Reason: hyperv1.StatusUnknownReason,
}
switch hostedControlPlane.Spec.Etcd.ManagementType {
case hyperv1.Managed:
r.Log.Info("Reconciling etcd cluster status for managed strategy")
sts := manifests.EtcdStatefulSet(hostedControlPlane.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(sts), sts); err != nil {
if apierrors.IsNotFound(err) {
newCondition = metav1.Condition{
Type: string(hyperv1.EtcdAvailable),
Status: metav1.ConditionFalse,
Reason: hyperv1.EtcdStatefulSetNotFoundReason,
}
} else {
return ctrl.Result{}, fmt.Errorf("failed to fetch etcd statefulset %s/%s: %w", sts.Namespace, sts.Name, err)
}
} else {
conditionPtr, err := r.etcdStatefulSetCondition(ctx, sts)
if err != nil {
return ctrl.Result{}, fmt.Errorf("failed to get etcd statefulset status: %w", err)
}
newCondition = *conditionPtr
}
case hyperv1.Unmanaged:
r.Log.Info("Assuming Etcd cluster is running in unmanaged etcd strategy")
newCondition = metav1.Condition{
Type: string(hyperv1.EtcdAvailable),
Status: metav1.ConditionTrue,
Reason: "EtcdRunning",
Message: "Etcd cluster is assumed to be running in unmanaged state",
}
}
newCondition.ObservedGeneration = hostedControlPlane.Generation
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, newCondition)
}
// Reconcile etcd restore status
if hostedControlPlane.Spec.Etcd.ManagementType == hyperv1.Managed &&
hostedControlPlane.Spec.Etcd.Managed != nil && len(hostedControlPlane.Spec.Etcd.Managed.Storage.RestoreSnapshotURL) > 0 {
restoreCondition := meta.FindStatusCondition(hostedControlPlane.Status.Conditions, string(hyperv1.EtcdSnapshotRestored))
if restoreCondition == nil {
r.Log.Info("Reconciling etcd cluster restore status")
sts := manifests.EtcdStatefulSet(hostedControlPlane.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(sts), sts); err == nil {
newCondition := metav1.Condition{}
conditionPtr := r.etcdRestoredCondition(ctx, sts)
if conditionPtr != nil {
newCondition = *conditionPtr
newCondition.ObservedGeneration = hostedControlPlane.Generation
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, newCondition)
}
}
}
}
// Validate AWS KMS config
r.validateAWSKMSConfig(ctx, hostedControlPlane)
// Reconcile Kube APIServer status
{
newCondition := metav1.Condition{
Type: string(hyperv1.KubeAPIServerAvailable),
Status: metav1.ConditionUnknown,
Reason: hyperv1.StatusUnknownReason,
}
deployment := manifests.KASDeployment(hostedControlPlane.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(deployment), deployment); err != nil {
if apierrors.IsNotFound(err) {
newCondition = metav1.Condition{
Type: string(hyperv1.KubeAPIServerAvailable),
Status: metav1.ConditionFalse,
Reason: hyperv1.NotFoundReason,
Message: "Kube APIServer deployment not found",
}
} else {
return ctrl.Result{}, fmt.Errorf("failed to fetch Kube APIServer deployment %s/%s: %w", deployment.Namespace, deployment.Name, err)
}
} else {
// Assume the deployment is unavailable until proven otherwise.
newCondition = metav1.Condition{
Type: string(hyperv1.KubeAPIServerAvailable),
Status: metav1.ConditionFalse,
Reason: hyperv1.StatusUnknownReason,
}
for _, cond := range deployment.Status.Conditions {
if cond.Type == appsv1.DeploymentAvailable {
if cond.Status == corev1.ConditionTrue {
newCondition = metav1.Condition{
Type: string(hyperv1.KubeAPIServerAvailable),
Status: metav1.ConditionTrue,
Reason: hyperv1.AsExpectedReason,
Message: "Kube APIServer deployment is available",
}
} else {
newCondition = metav1.Condition{
Type: string(hyperv1.KubeAPIServerAvailable),
Status: metav1.ConditionFalse,
Reason: hyperv1.WaitingForAvailableReason,
Message: "Waiting for Kube APIServer deployment to become available",
}
}
break
}
}
}
newCondition.ObservedGeneration = hostedControlPlane.Generation
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, newCondition)
}
// Reconcile Degraded status
{
condition := metav1.Condition{
Type: string(hyperv1.HostedControlPlaneDegraded),
Status: metav1.ConditionFalse,
Reason: hyperv1.AsExpectedReason,
ObservedGeneration: hostedControlPlane.Generation,
}
cpoManagedDeploymentList := &appsv1.DeploymentList{}
if err := r.List(ctx, cpoManagedDeploymentList, client.MatchingLabels{
config.ManagedByLabel: "control-plane-operator",
}, client.InNamespace(hostedControlPlane.Namespace)); err != nil {
if !apierrors.IsNotFound(err) {
return ctrl.Result{}, fmt.Errorf("failed to list managed deployments in namespace %s: %w", hostedControlPlane.Namespace, err)
}
}
var errs []error
sort.SliceStable(cpoManagedDeploymentList.Items, func(i, j int) bool {
return cpoManagedDeploymentList.Items[i].Name < cpoManagedDeploymentList.Items[j].Name
})
for _, deployment := range cpoManagedDeploymentList.Items {
if deployment.Status.UnavailableReplicas > 0 {
errs = append(errs, fmt.Errorf("%s deployment has %d unavailable replicas", deployment.Name, deployment.Status.UnavailableReplicas))
}
}
err := utilerrors.NewAggregate(errs)
if err != nil {
condition.Status = metav1.ConditionTrue
condition.Reason = "UnavailableReplicas"
condition.Message = err.Error()
}
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, condition)
}
// Reconcile infrastructure status
{
r.Log.Info("Reconciling infrastructure status")
newCondition := metav1.Condition{
Type: string(hyperv1.InfrastructureReady),
Status: metav1.ConditionUnknown,
Reason: hyperv1.StatusUnknownReason,
}
infraStatus, err := r.reconcileInfrastructureStatus(ctx, hostedControlPlane)
if err != nil {
newCondition = metav1.Condition{
Type: string(hyperv1.InfrastructureReady),
Status: metav1.ConditionUnknown,
Reason: hyperv1.InfraStatusFailureReason,
Message: err.Error(),
}
r.Log.Error(err, "failed to determine infrastructure status")
} else {
if infraStatus.IsReady() {
hostedControlPlane.Status.ControlPlaneEndpoint = hyperv1.APIEndpoint{
Host: infraStatus.APIHost,
Port: infraStatus.APIPort,
}
newCondition = metav1.Condition{
Type: string(hyperv1.InfrastructureReady),
Status: metav1.ConditionTrue,
Message: hyperv1.AllIsWellMessage,
Reason: hyperv1.AsExpectedReason,
}
hostedControlPlane.Status.OAuthCallbackURLTemplate = fmt.Sprintf("https://%s:%d/oauth2callback/[identity-provider-name]", infraStatus.OAuthHost, infraStatus.OAuthPort)
} else {
message := "Cluster infrastructure is still provisioning"
if len(infraStatus.Message) > 0 {
message = infraStatus.Message
}
newCondition = metav1.Condition{
Type: string(hyperv1.InfrastructureReady),
Status: metav1.ConditionFalse,
Reason: hyperv1.WaitingOnInfrastructureReadyReason,
Message: message,
}
r.Log.Info("Infrastructure is not yet ready")
}
}
newCondition.ObservedGeneration = hostedControlPlane.Generation
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, newCondition)
}
// Reconcile external DNS status
{
newCondition := metav1.Condition{
Type: string(hyperv1.ExternalDNSReachable),
Status: metav1.ConditionUnknown,
Reason: hyperv1.StatusUnknownReason,
}
kasExternalHostname := util.ServiceExternalDNSHostname(hostedControlPlane, hyperv1.APIServer)
if kasExternalHostname != "" {
if err := util.ResolveDNSHostname(ctx, kasExternalHostname); err != nil {
newCondition = metav1.Condition{
Type: string(hyperv1.ExternalDNSReachable),
Status: metav1.ConditionFalse,
Reason: hyperv1.ExternalDNSHostNotReachableReason,
Message: err.Error(),
}
} else {
newCondition = metav1.Condition{
Type: string(hyperv1.ExternalDNSReachable),
Status: metav1.ConditionTrue,
Message: hyperv1.AllIsWellMessage,
Reason: hyperv1.AsExpectedReason,
}
}
} else {
newCondition.Message = "External DNS is not configured"
}
newCondition.ObservedGeneration = hostedControlPlane.Generation
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, newCondition)
}
// Reconcile hostedcontrolplane availability and Ready flag
{
infrastructureCondition := meta.FindStatusCondition(hostedControlPlane.Status.Conditions, string(hyperv1.InfrastructureReady))
kubeConfigAvailable := hostedControlPlane.Status.KubeConfig != nil
etcdCondition := meta.FindStatusCondition(hostedControlPlane.Status.Conditions, string(hyperv1.EtcdAvailable))
kubeAPIServerCondition := meta.FindStatusCondition(hostedControlPlane.Status.Conditions, string(hyperv1.KubeAPIServerAvailable))
healthCheckErr := r.healthCheckKASLoadBalancers(ctx, hostedControlPlane)
status := metav1.ConditionFalse
var reason, message string
switch {
case infrastructureCondition == nil && etcdCondition == nil && kubeAPIServerCondition == nil:
reason = hyperv1.StatusUnknownReason
message = ""
case infrastructureCondition != nil && infrastructureCondition.Status == metav1.ConditionFalse:
reason = infrastructureCondition.Reason
message = infrastructureCondition.Message
case !kubeConfigAvailable:
reason = hyperv1.KubeconfigWaitingForCreateReason
message = "Waiting for hosted control plane kubeconfig to be created"
case etcdCondition != nil && etcdCondition.Status == metav1.ConditionFalse:
reason = etcdCondition.Reason
message = etcdCondition.Message
case kubeAPIServerCondition != nil && kubeAPIServerCondition.Status == metav1.ConditionFalse:
reason = kubeAPIServerCondition.Reason
message = kubeAPIServerCondition.Message
case healthCheckErr != nil:
reason = hyperv1.KASLoadBalancerNotReachableReason
message = healthCheckErr.Error()
default:
reason = hyperv1.AsExpectedReason
message = ""
status = metav1.ConditionTrue
}
hostedControlPlane.Status.Ready = status == metav1.ConditionTrue
condition := metav1.Condition{
Type: string(hyperv1.HostedControlPlaneAvailable),
Status: status,
Reason: reason,
Message: message,
ObservedGeneration: hostedControlPlane.Generation,
}
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, condition)
}
kubeconfig := manifests.KASExternalKubeconfigSecret(hostedControlPlane.Namespace, hostedControlPlane.Spec.KubeConfig)
if err := r.Get(ctx, client.ObjectKeyFromObject(kubeconfig), kubeconfig); err != nil {
if !apierrors.IsNotFound(err) {
return reconcile.Result{}, err
}
} else {
hostedControlPlane.Status.KubeConfig = &hyperv1.KubeconfigSecretRef{
Name: kubeconfig.Name,
Key: DefaultAdminKubeconfigKey,
}
if hostedControlPlane.Spec.KubeConfig != nil {
hostedControlPlane.Status.KubeConfig.Key = hostedControlPlane.Spec.KubeConfig.Key
}
}
explicitOauthConfig := hostedControlPlane.Spec.Configuration != nil && hostedControlPlane.Spec.Configuration.OAuth != nil
if explicitOauthConfig {
hostedControlPlane.Status.KubeadminPassword = nil
} else {
kubeadminPassword := common.KubeadminPasswordSecret(hostedControlPlane.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(kubeadminPassword), kubeadminPassword); err != nil {
if !apierrors.IsNotFound(err) {
return reconcile.Result{}, fmt.Errorf("failed to get kubeadmin password: %w", err)
}
} else {
hostedControlPlane.Status.KubeadminPassword = &corev1.LocalObjectReference{
Name: kubeadminPassword.Name,
}
}
}
hostedControlPlane.Status.Initialized = true
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, util.GenerateReconciliationActiveCondition(hostedControlPlane.Spec.PausedUntil, hostedControlPlane.Generation))
// Always update status based on the current state of the world.
if err := r.Client.Status().Patch(ctx, hostedControlPlane, client.MergeFromWithOptions(originalHostedControlPlane, client.MergeFromWithOptimisticLock{})); err != nil {
return ctrl.Result{}, fmt.Errorf("failed to update status: %w", err)
}
if isPaused, duration := util.IsReconciliationPaused(r.Log, hostedControlPlane.Spec.PausedUntil); isPaused {
r.Log.Info("Reconciliation paused", "pausedUntil", *hostedControlPlane.Spec.PausedUntil)
return ctrl.Result{
RequeueAfter: duration,
}, nil
}
// Perform the hosted control plane reconciliation
result, err := r.update(ctx, hostedControlPlane)
if err != nil {
return ctrl.Result{}, fmt.Errorf("failed to update control plane: %w", err)
}
r.Log.Info("Successfully reconciled")
if !result.IsZero() {
return result, nil
}
if !hostedControlPlane.Status.Ready {
return ctrl.Result{RequeueAfter: hcpNotReadyRequeueInterval}, nil
}
return ctrl.Result{RequeueAfter: hcpReadyRequeueInterval}, nil
}
// healthCheckKASLoadBalancers performs a health check on the KubeAPI server /healthz endpoint using the public and private load balancers hostnames directly
// This will detect if load balancers are down or deleted out of band
func (r *HostedControlPlaneReconciler) healthCheckKASLoadBalancers(ctx context.Context, hcp *hyperv1.HostedControlPlane) error {
serviceStrategy := util.ServicePublishingStrategyByTypeForHCP(hcp, hyperv1.APIServer)
if serviceStrategy == nil {
return fmt.Errorf("APIServer service strategy not specified")
}
p := kas.NewKubeAPIServerServiceParams(hcp)
switch {
case !util.IsPublicHCP(hcp):
// When the cluster is private, checking the load balancers will depend on whether the load balancer is
// using the right subnets. To avoid uncertainty, we'll limit the check to the service endpoint.
return healthCheckKASEndpoint(manifests.KubeAPIServerService("").Name, p.APIServerPort, hcp)
case serviceStrategy.Type == hyperv1.Route:
externalRoute := manifests.KubeAPIServerExternalPublicRoute(hcp.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(externalRoute), externalRoute); err != nil {
return fmt.Errorf("failed to get kube apiserver external route: %w", err)
}
if len(externalRoute.Status.Ingress) == 0 || externalRoute.Status.Ingress[0].RouterCanonicalHostname == "" {
return fmt.Errorf("APIServer external route not admitted")
}
return healthCheckKASEndpoint(externalRoute.Status.Ingress[0].RouterCanonicalHostname, 443, hcp)
case serviceStrategy.Type == hyperv1.LoadBalancer:
svc := manifests.KubeAPIServerService(hcp.Namespace)
if err := r.Get(ctx, client.ObjectKeyFromObject(svc), svc); err != nil {
return fmt.Errorf("failed to get kube apiserver service: %w", err)
}
if len(svc.Status.LoadBalancer.Ingress) == 0 || svc.Status.LoadBalancer.Ingress[0].Hostname == "" {
return fmt.Errorf("APIServer load balancer is not provisioned")
}
return healthCheckKASEndpoint(svc.Status.LoadBalancer.Ingress[0].Hostname, p.APIServerPort, hcp)
}
return nil
}
func healthCheckKASEndpoint(hostname string, port int, hcp *hyperv1.HostedControlPlane) error {
healthEndpoint := fmt.Sprintf("https://%s:%d/healthz", hostname, port)
httpClient := util.InsecureHTTPClient()
httpClient.Timeout = 10 * time.Second
resp, err := httpClient.Get(healthEndpoint)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("APIServer endpoint %s is not healthy", hostname)
}
return nil
}
func (r *HostedControlPlaneReconciler) validateConfigAndClusterCapabilities(hc *hyperv1.HostedControlPlane) error {
for _, svc := range hc.Spec.Services {
if svc.Type == hyperv1.Route && !r.ManagementClusterCapabilities.Has(capabilities.CapabilityRoute) {
return fmt.Errorf("cluster does not support Routes, but service %q is exposed via a Route", svc.Service)
}
}
return nil
}
func (r *HostedControlPlaneReconciler) LookupReleaseImage(ctx context.Context, hcp *hyperv1.HostedControlPlane) (*releaseinfo.ReleaseImage, error) {
pullSecret := common.PullSecret(hcp.Namespace)
if err := r.Client.Get(ctx, client.ObjectKeyFromObject(pullSecret), pullSecret); err != nil {
return nil, err
}
lookupCtx, lookupCancel := context.WithTimeout(ctx, 2*time.Minute)
defer lookupCancel()
return r.ReleaseProvider.Lookup(lookupCtx, hcp.Spec.ReleaseImage, pullSecret.Data[corev1.DockerConfigJsonKey])
}
func (r *HostedControlPlaneReconciler) update(ctx context.Context, hostedControlPlane *hyperv1.HostedControlPlane) (reconcile.Result, error) {
// Block here if the cluster configuration does not pass validation
{
validConfig := meta.FindStatusCondition(hostedControlPlane.Status.Conditions, string(hyperv1.ValidHostedControlPlaneConfiguration))
if validConfig != nil && validConfig.Status == metav1.ConditionFalse {
r.Log.Info("Configuration is invalid, reconciliation is blocked")
return reconcile.Result{}, nil
}
}
r.Log.Info("Looking up release image metadata", "image", hostedControlPlane.Spec.ReleaseImage)
releaseImage, err := r.LookupReleaseImage(ctx, hostedControlPlane)
if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to look up release image metadata: %w", err)
}
componentVersions, err := releaseImage.ComponentVersions()
if err != nil {
return reconcile.Result{}, fmt.Errorf("invalid component versions found in release info: %w", err)
}
r.Log.Info("Found release info for image", "releaseImage", hostedControlPlane.Spec.ReleaseImage, "info", releaseImage, "componentImages", len(releaseImage.ComponentImages()), "componentVersions", componentVersions)
createOrUpdate := r.createOrUpdate(hostedControlPlane)
if util.IsPrivateHCP(hostedControlPlane) {
r.Log.Info("Removing private IngressController")
// Ensure that if an ingress controller exists from a previous version, it is removed
if err = r.reconcilePrivateIngressController(ctx, hostedControlPlane); err != nil {
return reconcile.Result{}, fmt.Errorf("failed to reconcile private ingresscontroller: %w", err)
}
}
r.Log.Info("Reconciling infrastructure services")
if err := r.reconcileInfrastructure(ctx, hostedControlPlane, createOrUpdate); err != nil {
return reconcile.Result{}, fmt.Errorf("failed to ensure infrastructure: %w", err)
}
// Block here until infra status reports readiness
// TODO(dmace): This seems a bit heavy handed vs. making more granular bits no-op if
// they don't have the specific required inputs
infraStatus, err := r.reconcileInfrastructureStatus(ctx, hostedControlPlane)
if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to look up infra status: %w", err)
}
if !infraStatus.IsReady() {
r.Log.Info("Waiting for infrastructure to be ready before proceeding")
return reconcile.Result{RequeueAfter: time.Minute}, nil
}
var errs []error
releaseImageProvider := imageprovider.New(releaseImage)
if err := r.reconcile(ctx, hostedControlPlane, createOrUpdate, releaseImageProvider, infraStatus); err != nil {
errs = append(errs, err)
}
if err := r.reconcileValidReleaseInfoCondition(ctx, releaseImageProvider, hostedControlPlane); err != nil {
errs = append(errs, fmt.Errorf("failed to reconcile ValidReleaseInfo condition: %w", err))
}
r.Log.Info("Reconciling autoscaler")
if err := r.reconcileAutoscaler(ctx, hostedControlPlane, releaseImage.ComponentImages(), createOrUpdate); err != nil {
errs = append(errs, fmt.Errorf("failed to reconcile autoscaler: %w", err))
}
r.Log.Info("Reconciling machine approver")
if err := r.reconcileMachineApprover(ctx, hostedControlPlane, releaseImage.ComponentImages(), createOrUpdate); err != nil {
errs = append(errs, fmt.Errorf("failed to reconcile machine approver: %w", err))
}
r.Log.Info("Reconciling default security group")
if err := r.reconcileDefaultSecurityGroup(ctx, hostedControlPlane); err != nil {
errs = append(errs, fmt.Errorf("failed to reconcile default security group"))
}
return ctrl.Result{}, utilerrors.NewAggregate(errs)
}
func (r *HostedControlPlaneReconciler) reconcileValidReleaseInfoCondition(ctx context.Context, releaseImageProvider *imageprovider.ReleaseImageProvider, hostedControlPlane *hyperv1.HostedControlPlane) error {
if len(releaseImageProvider.GetMissingImages()) == 0 {
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, metav1.Condition{
Type: string(hyperv1.ValidReleaseInfo),
Status: metav1.ConditionTrue,
Reason: hyperv1.AsExpectedReason,
Message: hyperv1.AllIsWellMessage,
ObservedGeneration: hostedControlPlane.Generation,
})
} else {
meta.SetStatusCondition(&hostedControlPlane.Status.Conditions, metav1.Condition{
Type: string(hyperv1.ValidReleaseInfo),
Status: metav1.ConditionFalse,
Reason: hyperv1.MissingReleaseImagesReason,
Message: strings.Join(releaseImageProvider.GetMissingImages(), ", "),
ObservedGeneration: hostedControlPlane.Generation,
})
}
return r.Client.Status().Update(ctx, hostedControlPlane)
}
// useHCPRouter returns true if a dedicated common router is created for a HCP to handle ingress for the managed endpoints.
// This is true when the API input specifies intent for the following:
// 1 - AWS endpointAccess is private somehow (i.e. publicAndPrivate or private) or is public and configured with external DNS.
// 2 - When 1 is true, we recommend (and automate via CLI) ServicePublishingStrategy to be "Route" for all endpoints but the KAS
// which needs a dedicated Service type LB external to be exposed if no external DNS is supported.
// Otherwise, the Routes use the management cluster Domain and resolve through the default ingress controller.
func useHCPRouter(hostedControlPlane *hyperv1.HostedControlPlane) bool {
return util.IsPrivateHCP(hostedControlPlane) || util.IsPublicKASWithDNS(hostedControlPlane)
}
func IsStorageAndCSIManaged(hostedControlPlane *hyperv1.HostedControlPlane) bool {
if hostedControlPlane.Spec.Platform.Type == hyperv1.IBMCloudPlatform || hostedControlPlane.Spec.Platform.Type == hyperv1.PowerVSPlatform {
return false
}
return true
}
func (r *HostedControlPlaneReconciler) reconcile(ctx context.Context, hostedControlPlane *hyperv1.HostedControlPlane, createOrUpdate upsert.CreateOrUpdateFN, releaseImageProvider *imageprovider.ReleaseImageProvider, infraStatus InfrastructureStatus) error {
if err := r.reconcileSREMetricsConfig(ctx, createOrUpdate, hostedControlPlane.Namespace); err != nil {
return fmt.Errorf("failed to reconcile metrics config: %w", err)
}
if useHCPRouter(hostedControlPlane) {
r.Log.Info("Reconciling router")
if err := r.reconcileRouter(ctx, hostedControlPlane, releaseImageProvider, createOrUpdate, util.IsRouteKAS(hostedControlPlane), infraStatus.InternalHCPRouterHost, infraStatus.ExternalHCPRouterHost); err != nil {
return fmt.Errorf("failed to reconcile router: %w", err)
}
}
r.Log.Info("Reconciling ignition server")
if err := ignitionserver.ReconcileIgnitionServer(ctx,
r.Client,
createOrUpdate,
releaseImageProvider.Version(),
releaseImageProvider.GetImage(util.CPOImageName),
releaseImageProvider.GetImage("cli"),
hostedControlPlane,
r.DefaultIngressDomain,
// The healthz handler was added before the CPO started to manage the ignition server, and it's the same binary,
// so we know it always exists here.
true,
r.ReleaseProvider.GetRegistryOverrides(),
r.ManagementClusterCapabilities.Has(capabilities.CapabilitySecurityContextConstraint),
config.OwnerRefFrom(hostedControlPlane),
); err != nil {
return fmt.Errorf("failed to reconcile ignition server: %w", err)
}
// Reconcile default service account
r.Log.Info("Reconciling default service account")
if err := r.reconcileDefaultServiceAccount(ctx, hostedControlPlane, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile default service account: %w", err)
}
// Reconcile PKI
if _, exists := hostedControlPlane.Annotations[hyperv1.DisablePKIReconciliationAnnotation]; !exists {
r.Log.Info("Reconciling PKI")
if err := r.reconcilePKI(ctx, hostedControlPlane, infraStatus, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile PKI: %w", err)
}
}
// Reconcile Cloud Provider Config
r.Log.Info("Reconciling cloud provider config")
if err := r.reconcileCloudProviderConfig(ctx, hostedControlPlane, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile cloud provider config: %w", err)
}
r.Log.Info("Looking up observed configuration")
observedConfig := &globalconfig.ObservedConfig{}
if err := globalconfig.ReadObservedConfig(ctx, r.Client, observedConfig, hostedControlPlane.Namespace); err != nil {
return fmt.Errorf("failed to read observed global config: %w", err)
}
// Reconcile etcd
r.Log.Info("Reconciling Etcd")
switch hostedControlPlane.Spec.Etcd.ManagementType {
case hyperv1.Managed:
if err := r.reconcileManagedEtcd(ctx, hostedControlPlane, releaseImageProvider, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile etcd: %w", err)
}
case hyperv1.Unmanaged:
if err := r.reconcileUnmanagedEtcd(ctx, hostedControlPlane, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile etcd: %w", err)
}
default:
return fmt.Errorf("unrecognized etcd management type: %s", hostedControlPlane.Spec.Etcd.ManagementType)
}
// Reconcile Konnectivity
r.Log.Info("Reconciling Konnectivity")
if err := r.reconcileKonnectivity(ctx, hostedControlPlane, releaseImageProvider, infraStatus, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile konnectivity: %w", err)
}
// Reconcile kube apiserver
r.Log.Info("Reconciling Kube API Server")
if err := r.reconcileKubeAPIServer(ctx, hostedControlPlane, releaseImageProvider, infraStatus.APIHost, infraStatus.APIPort, infraStatus.OAuthHost, infraStatus.OAuthPort, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile kube apiserver: %w", err)
}
// Block until kube apiserver is fully ready to enforce upgrade order of version skew policy
// https://kubernetes.io/releases/version-skew-policy/#supported-component-upgrade-order
ready, err := util.IsDeploymentReady(ctx, r, manifests.KASDeployment(hostedControlPlane.Namespace))
if err != nil {
return fmt.Errorf("failed to check kube apiserver availability: %w", err)
}
if !ready {
r.Log.Info("Waiting for kube apiserver deployment to become ready")
return nil
}
// Reconcile kube controller manager
r.Log.Info("Reconciling Kube Controller Manager")
if err := r.reconcileKubeControllerManager(ctx, hostedControlPlane, releaseImageProvider, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile kube controller manager: %w", err)
}
// Reconcile kube scheduler
r.Log.Info("Reconciling Kube Scheduler")
if err := r.reconcileKubeScheduler(ctx, hostedControlPlane, releaseImageProvider, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile kube controller manager: %w", err)
}
// Reconcile openshift apiserver
r.Log.Info("Reconciling OpenShift API Server")
if err := r.reconcileOpenShiftAPIServer(ctx, hostedControlPlane, observedConfig, releaseImageProvider, createOrUpdate); err != nil {
return fmt.Errorf("failed to reconcile openshift apiserver: %w", err)
}