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reconciler.go
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reconciler.go
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package reconciler
import (
"context"
"fmt"
"os"
"github.com/go-logr/logr"
"github.com/pkg/errors"
apiv1 "k8s.io/api/core/v1"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
anywherev1 "github.com/aws/eks-anywhere/pkg/api/v1alpha1"
c "github.com/aws/eks-anywhere/pkg/cluster"
"github.com/aws/eks-anywhere/pkg/config"
"github.com/aws/eks-anywhere/pkg/controller"
"github.com/aws/eks-anywhere/pkg/controller/clientutil"
"github.com/aws/eks-anywhere/pkg/controller/clusters"
"github.com/aws/eks-anywhere/pkg/controller/serverside"
"github.com/aws/eks-anywhere/pkg/providers/vsphere"
)
// CNIReconciler is an interface for reconciling CNI in the VSphere cluster reconciler.
type CNIReconciler interface {
Reconcile(ctx context.Context, logger logr.Logger, client client.Client, spec *c.Spec) (controller.Result, error)
}
// RemoteClientRegistry is an interface that defines methods for remote clients.
type RemoteClientRegistry interface {
GetClient(ctx context.Context, cluster client.ObjectKey) (client.Client, error)
}
// IPValidator is an interface that defines methods to validate the control plane IP.
type IPValidator interface {
ValidateControlPlaneIP(ctx context.Context, log logr.Logger, spec *c.Spec) (controller.Result, error)
}
type Reconciler struct {
client client.Client
validator *vsphere.Validator
defaulter *vsphere.Defaulter
cniReconciler CNIReconciler
remoteClientRegistry RemoteClientRegistry
ipValidator IPValidator
*serverside.ObjectApplier
}
// New defines a new VSphere reconciler.
func New(client client.Client, validator *vsphere.Validator, defaulter *vsphere.Defaulter, cniReconciler CNIReconciler, remoteClientRegistry RemoteClientRegistry, ipValidator IPValidator) *Reconciler {
return &Reconciler{
client: client,
validator: validator,
defaulter: defaulter,
cniReconciler: cniReconciler,
remoteClientRegistry: remoteClientRegistry,
ipValidator: ipValidator,
ObjectApplier: serverside.NewObjectApplier(client),
}
}
func VsphereCredentials(ctx context.Context, cli client.Client) (*apiv1.Secret, error) {
secret := &apiv1.Secret{}
secretKey := client.ObjectKey{
Namespace: "eksa-system",
Name: vsphere.CredentialsObjectName,
}
if err := cli.Get(ctx, secretKey, secret); err != nil {
return nil, err
}
return secret, nil
}
func SetupEnvVars(ctx context.Context, vsphereDatacenter *anywherev1.VSphereDatacenterConfig, cli client.Client) error {
secret, err := VsphereCredentials(ctx, cli)
if err != nil {
return fmt.Errorf("failed getting vsphere credentials secret: %v", err)
}
vsphereUsername := secret.Data["username"]
vspherePassword := secret.Data["password"]
if err := os.Setenv(config.EksavSphereUsernameKey, string(vsphereUsername)); err != nil {
return fmt.Errorf("failed setting env %s: %v", config.EksavSphereUsernameKey, err)
}
if err := os.Setenv(config.EksavSpherePasswordKey, string(vspherePassword)); err != nil {
return fmt.Errorf("failed setting env %s: %v", config.EksavSpherePasswordKey, err)
}
vsphereCPUsername := secret.Data["usernameCP"]
vsphereCPPassword := secret.Data["passwordCP"]
if err := os.Setenv(config.EksavSphereCPUsernameKey, string(vsphereCPUsername)); err != nil {
return fmt.Errorf("failed setting env %s: %v", config.EksavSphereCPUsernameKey, err)
}
if err := os.Setenv(config.EksavSphereCPPasswordKey, string(vsphereCPPassword)); err != nil {
return fmt.Errorf("failed setting env %s: %v", config.EksavSphereCPPasswordKey, err)
}
if err := vsphere.SetupEnvVars(vsphereDatacenter); err != nil {
return fmt.Errorf("failed setting env vars: %v", err)
}
return nil
}
func (r *Reconciler) Reconcile(ctx context.Context, log logr.Logger, cluster *anywherev1.Cluster) (controller.Result, error) {
log = log.WithValues("provider", "vsphere")
clusterSpec, err := c.BuildSpec(ctx, clientutil.NewKubeClient(r.client), cluster)
if err != nil {
return controller.Result{}, err
}
return controller.NewPhaseRunner[*c.Spec]().Register(
r.ipValidator.ValidateControlPlaneIP,
r.ValidateDatacenterConfig,
r.ValidateMachineConfigs,
clusters.CleanupStatusAfterValidate,
r.ReconcileControlPlane,
r.CheckControlPlaneReady,
r.ReconcileCNI,
r.ReconcileWorkers,
).Run(ctx, log, clusterSpec)
}
// ReconcileWorkerNodes validates the cluster definition and reconciles the worker nodes
// to the desired state.
func (r *Reconciler) ReconcileWorkerNodes(ctx context.Context, log logr.Logger, cluster *anywherev1.Cluster) (controller.Result, error) {
log = log.WithValues("provider", "vsphere", "reconcile type", "workers")
clusterSpec, err := c.BuildSpec(ctx, clientutil.NewKubeClient(r.client), cluster)
if err != nil {
return controller.Result{}, err
}
return controller.NewPhaseRunner[*c.Spec]().Register(
r.ValidateDatacenterConfig,
r.ValidateMachineConfigs,
r.ReconcileWorkers,
).Run(ctx, log, clusterSpec)
}
// ValidateDatacenterConfig updates the cluster status if the VSphereDatacenter status indicates that the spec is invalid.
func (r *Reconciler) ValidateDatacenterConfig(ctx context.Context, log logr.Logger, clusterSpec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "validateDatacenterConfig")
dataCenterConfig := clusterSpec.VSphereDatacenter
if !dataCenterConfig.Status.SpecValid {
if dataCenterConfig.Status.FailureMessage != nil {
failureMessage := fmt.Sprintf("Invalid %s VSphereDatacenterConfig: %s", dataCenterConfig.Name, *dataCenterConfig.Status.FailureMessage)
clusterSpec.Cluster.SetFailure(anywherev1.DatacenterConfigInvalidReason, failureMessage)
log.Error(errors.New(*dataCenterConfig.Status.FailureMessage), "Invalid VSphereDatacenterConfig", "datacenterConfig", klog.KObj(dataCenterConfig))
} else {
log.Info("VSphereDatacenterConfig hasn't been validated yet", klog.KObj(dataCenterConfig))
}
return controller.ResultWithReturn(), nil
}
return controller.Result{}, nil
}
// ValidateMachineConfigs performs additional, context-aware validations on the machine configs.
func (r *Reconciler) ValidateMachineConfigs(ctx context.Context, log logr.Logger, clusterSpec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "validateMachineConfigs")
datacenterConfig := clusterSpec.VSphereDatacenter
// Set up env vars for executing Govc cmd
if err := SetupEnvVars(ctx, datacenterConfig, r.client); err != nil {
log.Error(err, "Failed to set up env vars for Govc")
return controller.Result{}, err
}
vsphereClusterSpec := vsphere.NewSpec(clusterSpec)
if err := r.validator.ValidateClusterMachineConfigs(ctx, vsphereClusterSpec); err != nil {
log.Error(err, "Invalid VSphereMachineConfig")
failureMessage := err.Error()
clusterSpec.Cluster.SetFailure(anywherev1.MachineConfigInvalidReason, failureMessage)
return controller.ResultWithReturn(), nil
}
return controller.Result{}, nil
}
// ReconcileControlPlane applies the control plane CAPI objects to the cluster.
func (r *Reconciler) ReconcileControlPlane(ctx context.Context, log logr.Logger, spec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "reconcileControlPlane")
log.Info("Applying control plane CAPI objects")
cp, err := vsphere.ControlPlaneSpec(ctx, log, clientutil.NewKubeClient(r.client), spec)
if err != nil {
return controller.Result{}, err
}
return clusters.ReconcileControlPlane(ctx, r.client, toClientControlPlane(cp))
}
// CheckControlPlaneReady checks whether the control plane for an eks-a cluster is ready or not.
// Requeues with the appropriate wait times whenever the cluster is not ready yet.
func (r *Reconciler) CheckControlPlaneReady(ctx context.Context, log logr.Logger, clusterSpec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "checkControlPlaneReady")
return clusters.CheckControlPlaneReady(ctx, r.client, log, clusterSpec.Cluster)
}
// ReconcileCNI takes the Cilium CNI in a cluster to the desired state defined in a cluster spec.
func (r *Reconciler) ReconcileCNI(ctx context.Context, log logr.Logger, clusterSpec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "reconcileCNI")
client, err := r.remoteClientRegistry.GetClient(ctx, controller.CapiClusterObjectKey(clusterSpec.Cluster))
if err != nil {
return controller.Result{}, err
}
return r.cniReconciler.Reconcile(ctx, log, client, clusterSpec)
}
// ReconcileWorkers applies the worker CAPI objects to the cluster.
func (r *Reconciler) ReconcileWorkers(ctx context.Context, log logr.Logger, spec *c.Spec) (controller.Result, error) {
log = log.WithValues("phase", "reconcileWorkers")
log.Info("Applying worker CAPI objects")
w, err := vsphere.WorkersSpec(ctx, log, clientutil.NewKubeClient(r.client), spec)
if err != nil {
return controller.Result{}, err
}
return clusters.ReconcileWorkersForEKSA(ctx, log, r.client, spec.Cluster, clusters.ToWorkers(w))
}
func toClientControlPlane(cp *vsphere.ControlPlane) *clusters.ControlPlane {
other := make([]client.Object, 0, len(cp.ConfigMaps)+len(cp.Secrets)+len(cp.ClusterResourceSets)+1)
for _, o := range cp.ClusterResourceSets {
other = append(other, o)
}
for _, o := range cp.ConfigMaps {
other = append(other, o)
}
for _, o := range cp.Secrets {
other = append(other, o)
}
return &clusters.ControlPlane{
Cluster: cp.Cluster,
ProviderCluster: cp.ProviderCluster,
KubeadmControlPlane: cp.KubeadmControlPlane,
ControlPlaneMachineTemplate: cp.ControlPlaneMachineTemplate,
EtcdCluster: cp.EtcdCluster,
EtcdMachineTemplate: cp.EtcdMachineTemplate,
Other: other,
}
}