/
spacerequest_controller.go
676 lines (606 loc) · 26.8 KB
/
spacerequest_controller.go
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package spacerequest
import (
"context"
"fmt"
"reflect"
"time"
toolchainv1alpha1 "github.com/codeready-toolchain/api/api/v1alpha1"
"github.com/codeready-toolchain/host-operator/pkg/cluster"
spaceutil "github.com/codeready-toolchain/host-operator/pkg/space"
restclient "github.com/codeready-toolchain/toolchain-common/pkg/client"
"github.com/codeready-toolchain/toolchain-common/pkg/condition"
errs "github.com/pkg/errors"
"github.com/redhat-cop/operator-utils/pkg/util"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/clientcmd/api"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/builder"
runtimeclient "sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
)
// TokenRequestExpirationSeconds is just a long duration so that the token will not expire for the lifespan of the namespace.
// This token will provide access only at the namespace scope, so once the namespace is deleted this token will just be invalid.
const TokenRequestExpirationSeconds = 3650 * 24 * 60 * 60 // 10 years
// Reconciler reconciles a SpaceRequest object
type Reconciler struct {
Client runtimeclient.Client
Scheme *runtime.Scheme
Namespace string
MemberClusters map[string]cluster.Cluster
}
// SetupWithManager sets up the controller reconciler with the Manager and the given member clusters.
// Watches SpaceRequests on the member clusters as its primary resources.
func (r *Reconciler) SetupWithManager(mgr ctrl.Manager, memberClusters map[string]cluster.Cluster) error {
// since it's mandatory to add a primary resource when creating a new controller,
// we add the SpaceRequest CR even if there should be no reconciles triggered from the host cluster,
// only from member clusters (see watches below)
// SpaceRequest owns subSpaces so events will be triggered for those from the host cluster.
b := ctrl.NewControllerManagedBy(mgr).
For(&toolchainv1alpha1.SpaceRequest{}).
Watches(&source.Kind{Type: &toolchainv1alpha1.Space{}},
handler.EnqueueRequestsFromMapFunc(MapSubSpaceToSpaceRequest()),
)
// Watch SpaceRequests in all member clusters and all namespaces.
for _, memberCluster := range memberClusters {
b = b.Watches(
source.NewKindWithCache(&toolchainv1alpha1.SpaceRequest{}, memberCluster.Cache),
&handler.EnqueueRequestForObject{},
builder.WithPredicates(predicate.GenerationChangedPredicate{}))
}
return b.Complete(r)
}
//+kubebuilder:rbac:groups=toolchain.dev.openshift.com,resources=spacerequests,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=toolchain.dev.openshift.com,resources=spacerequests/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=toolchain.dev.openshift.com,resources=spacerequests/finalizers,verbs=update
// Reconcile ensures that there is a SpaceRequest resource defined in the target member cluster
func (r *Reconciler) Reconcile(ctx context.Context, request ctrl.Request) (ctrl.Result, error) {
logger := log.FromContext(ctx)
logger.Info("reconciling SpaceRequest")
// Fetch the SpaceRequest
// search on all member clusters
spaceRequest := &toolchainv1alpha1.SpaceRequest{}
memberClusterWithSpaceRequest, found, err := cluster.LookupMember(ctx, r.MemberClusters, types.NamespacedName{
Namespace: request.Namespace,
Name: request.Name,
}, spaceRequest)
if err != nil {
if !found {
// got error while searching for SpaceRequest CR
return reconcile.Result{}, err
}
// Just log the error but proceed because we did find the member anyway
logger.Error(err, "error while searching for SpaceRequest")
} else if !found {
logger.Info("unable to find SpaceRequest")
return reconcile.Result{}, nil
}
if util.IsBeingDeleted(spaceRequest) {
logger.Info("spaceRequest is being deleted")
return reconcile.Result{}, r.ensureSpaceDeletion(ctx, memberClusterWithSpaceRequest, spaceRequest)
}
// Add the finalizer if it is not present
if err := r.addFinalizer(ctx, memberClusterWithSpaceRequest, spaceRequest); err != nil {
return reconcile.Result{}, err
}
subSpace, tier, createdOrUpdated, err := r.ensureSpace(ctx, memberClusterWithSpaceRequest, spaceRequest)
// if there was an error or if subSpace was just created or updated,
// let's just return.
if err != nil || createdOrUpdated {
return ctrl.Result{}, err
}
serviceAccountName := ""
if tier.Spec.SpaceRequestConfig != nil && tier.Spec.SpaceRequestConfig.ServiceAccountName != "" {
// use service account name from tier
serviceAccountName = tier.Spec.SpaceRequestConfig.ServiceAccountName
}
// ensure there is a secret that provides admin access to each provisioned namespaces of the subSpace
if err := r.ensureNamespaceAccess(ctx, memberClusterWithSpaceRequest, spaceRequest, subSpace, serviceAccountName); err != nil {
return reconcile.Result{}, r.setStatusFailedToCreateSubSpace(ctx, memberClusterWithSpaceRequest, spaceRequest, err)
}
// update spaceRequest conditions and target cluster url
err = r.updateSpaceRequest(ctx, memberClusterWithSpaceRequest, spaceRequest, subSpace)
return ctrl.Result{}, err
}
// updateSpaceRequest updates conditions and target cluster url of the spaceRequest with the ones on the Space resource
func (r *Reconciler) updateSpaceRequest(ctx context.Context, memberClusterWithSpaceRequest cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest, subSpace *toolchainv1alpha1.Space) error {
// set target cluster URL to space request status
targetClusterURL, err := r.getTargetCluster(subSpace.Status.TargetCluster)
if err != nil {
return err
}
spaceRequest.Status.TargetClusterURL = targetClusterURL.APIEndpoint
// reflect Ready condition from subSpace to spaceRequest object
if condition.IsTrue(subSpace.Status.Conditions, toolchainv1alpha1.ConditionReady) {
// subSpace was provisioned so let's set Ready type condition to true on the space request
return r.updateStatus(ctx, spaceRequest, memberClusterWithSpaceRequest, toolchainv1alpha1.Condition{
Type: toolchainv1alpha1.ConditionReady,
Status: corev1.ConditionTrue,
Reason: toolchainv1alpha1.SpaceProvisionedReason,
})
} else if condition.IsFalse(subSpace.Status.Conditions, toolchainv1alpha1.ConditionReady) {
// subSpace is not ready let's copy the condition together with reason/message fields
conditionReadyFromSubSpace, _ := condition.FindConditionByType(subSpace.Status.Conditions, toolchainv1alpha1.ConditionReady)
return r.updateStatus(ctx, spaceRequest, memberClusterWithSpaceRequest, conditionReadyFromSubSpace)
}
return nil
}
// setFinalizers sets the finalizers for Space
func (r *Reconciler) addFinalizer(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) error {
// Add the finalizer if it is not present
if !util.HasFinalizer(spaceRequest, toolchainv1alpha1.FinalizerName) {
logger := log.FromContext(ctx)
logger.Info("adding finalizer on SpaceRequest")
util.AddFinalizer(spaceRequest, toolchainv1alpha1.FinalizerName)
if err := memberCluster.Client.Update(ctx, spaceRequest); err != nil {
return errs.Wrap(err, "error while adding finalizer")
}
}
return nil
}
// fetches the subspace corresponding to the space request given.
//
// returns:
// - nil, err if an error occurred retrieving spaces or more than one matching subspace was found
// - nil, nil if no subspaces exist
// - space, nil if a matching space was found
func (r *Reconciler) getSubSpace(ctx context.Context, spaceRequest *toolchainv1alpha1.SpaceRequest) (*toolchainv1alpha1.Space, error) {
subSpaceList := &toolchainv1alpha1.SpaceList{}
if err := r.Client.List(ctx, subSpaceList,
runtimeclient.InNamespace(r.Namespace),
runtimeclient.MatchingLabels{
toolchainv1alpha1.SpaceRequestLabelKey: spaceRequest.GetName(),
toolchainv1alpha1.SpaceRequestNamespaceLabelKey: spaceRequest.GetNamespace(),
}); err != nil {
return nil, errs.Wrap(err, "failed to list subspaces")
}
length := len(subSpaceList.Items)
if length >= 2 {
return nil, errs.Errorf("Expected 1 matching subspace for spaceRequest %v in namespace %v, found %d", spaceRequest.GetName(), spaceRequest.GetNamespace(), length)
} else if length == 0 {
return nil, nil
}
return &subSpaceList.Items[0], nil
}
func (r *Reconciler) ensureSpace(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) (*toolchainv1alpha1.Space, *toolchainv1alpha1.NSTemplateTier, bool, error) {
logger := log.FromContext(ctx)
logger.Info("ensuring subSpace")
// find parent space from namespace labels
parentSpace, err := r.getParentSpace(ctx, memberCluster, spaceRequest)
if err != nil {
return nil, nil, false, err
}
// parentSpace is being deleted
if util.IsBeingDeleted(parentSpace) {
return nil, nil, false, errs.New("parentSpace is being deleted")
}
var tier *toolchainv1alpha1.NSTemplateTier
// validate tierName
if tier, err = r.validateNSTemplateTier(ctx, spaceRequest.Spec.TierName); err != nil {
return nil, nil, false, err
}
// create if not found on the expected target cluster
subSpace, err := r.getSubSpace(ctx, spaceRequest)
if err != nil {
return nil, nil, false, err
}
if subSpace == nil {
// no spaces found, let's create it
logger.Info("creating subSpace")
if err := r.setStatusProvisioning(ctx, memberCluster, spaceRequest); err != nil {
return nil, nil, false, errs.Wrap(err, "error updating status")
}
subSpace, err := r.createNewSubSpace(ctx, spaceRequest, parentSpace)
if err != nil {
// failed to create subSpace
return nil, nil, false, r.setStatusFailedToCreateSubSpace(ctx, memberCluster, spaceRequest, err)
}
return subSpace, tier, true, nil // a subSpace was created
}
logger.Info("subSpace already exists")
updated, err := r.updateExistingSubSpace(ctx, spaceRequest, subSpace)
return subSpace, tier, updated, err
}
func (r *Reconciler) createNewSubSpace(ctx context.Context, spaceRequest *toolchainv1alpha1.SpaceRequest, parentSpace *toolchainv1alpha1.Space) (*toolchainv1alpha1.Space, error) {
subSpace := spaceutil.NewSubSpace(spaceRequest, parentSpace)
err := r.Client.Create(ctx, subSpace)
if err != nil && !errors.IsAlreadyExists(err) {
return subSpace, errs.Wrap(err, "unable to create subSpace")
}
logger := log.FromContext(ctx)
logger.Info("created subSpace", "subSpace.Name", subSpace.Name, "spaceRequest.Spec.TargetClusterRoles", spaceRequest.Spec.TargetClusterRoles, "spaceRequest.Spec.TierName", spaceRequest.Spec.TierName, "subSpace.Spec.TargetCluster", subSpace.Spec.TargetCluster)
return subSpace, nil
}
// updateExistingSubSpace updates the subSpace with the config from the spaceRequest.
// returns true/nil if the subSpace was updated
// returns false/nil if the subSpace was already up to date
// returns false/err if something went wrong or the subSpace is being deleted
func (r *Reconciler) updateExistingSubSpace(ctx context.Context, spaceRequest *toolchainv1alpha1.SpaceRequest, subSpace *toolchainv1alpha1.Space) (bool, error) {
logger := log.FromContext(ctx)
// subSpace found let's check if it's up to date
logger.Info("subSpace already exists")
// check if subSpace is being deleted
if util.IsBeingDeleted(subSpace) {
return false, fmt.Errorf("cannot update subSpace because it is currently being deleted")
}
// update tier and clusterroles in the subspace
// if they do not match the ones on the spaceRequest
return r.updateSubSpace(ctx, subSpace, spaceRequest)
}
// validateNSTemplateTier checks if the provided tierName in the spaceRequest exists and is valid
func (r *Reconciler) validateNSTemplateTier(ctx context.Context, tierName string) (*toolchainv1alpha1.NSTemplateTier, error) {
if tierName == "" {
return nil, fmt.Errorf("tierName cannot be blank")
}
// check if requested tier exists
tier := &toolchainv1alpha1.NSTemplateTier{}
if err := r.Client.Get(ctx, types.NamespacedName{
Namespace: r.Namespace,
Name: tierName,
}, tier); err != nil {
if errors.IsNotFound(err) {
return tier, err
}
// Error reading the object - requeue the request.
return tier, errs.Wrap(err, "unable to get the current NSTemplateTier")
}
return tier, nil
}
// updateSubSpace updates the tierName and targetClusterRoles from the spaceRequest to the subSpace object
// if they are not up to date.
// returns false/nil if everything is up to date
// returns true/nil if subSpace was updated
// returns false/err if something went wrong
func (r *Reconciler) updateSubSpace(ctx context.Context, subSpace *toolchainv1alpha1.Space, spaceRequest *toolchainv1alpha1.SpaceRequest) (bool, error) {
logger := log.FromContext(ctx)
logger.Info("update subSpace")
if spaceRequest.Spec.TierName == subSpace.Spec.TierName &&
reflect.DeepEqual(spaceRequest.Spec.TargetClusterRoles, subSpace.Spec.TargetClusterRoles) {
// everything is up to date let's return
return false, nil
}
// update tier name and target cluster roles
logger.Info("updating subSpace", "name", subSpace.Name)
subSpace.Spec.TierName = spaceRequest.Spec.TierName
subSpace.Spec.TargetClusterRoles = spaceRequest.Spec.TargetClusterRoles
err := r.Client.Update(ctx, subSpace)
if err != nil {
return false, errs.Wrap(err, "unable to update tiername and targetclusterroles")
}
logger.Info("subSpace updated", "subSpace.name", subSpace.Name, "subSpace.Spec.TargetClusterRoles", subSpace.Spec.TargetClusterRoles, "subSpace.Spec.TierName", subSpace.Spec.TierName)
return true, nil
}
// getParentSpace retrieves the name of the space that provisioned the namespace in which the spacerequest was issued.
// we need to find the parentSpace so we can `link` the 2 spaces and inherit the spacebindings from the parent.
func (r *Reconciler) getParentSpace(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) (*toolchainv1alpha1.Space, error) {
parentSpace := &toolchainv1alpha1.Space{}
namespace := &corev1.Namespace{}
err := memberCluster.Client.Get(ctx, types.NamespacedName{
Namespace: "",
Name: spaceRequest.Namespace,
}, namespace)
if err != nil {
return nil, errs.Wrap(err, "unable to get namespace")
}
// get the Space name from the namespace resource
parentSpaceName, found := namespace.Labels[toolchainv1alpha1.SpaceLabelKey]
if !found || parentSpaceName == "" {
return nil, errs.Errorf("unable to find space label %s on namespace %s", toolchainv1alpha1.SpaceLabelKey, namespace.GetName())
}
// check that parentSpace object still exists
err = r.Client.Get(ctx, types.NamespacedName{
Namespace: r.Namespace,
Name: parentSpaceName,
}, parentSpace)
if err != nil {
return nil, errs.Wrap(err, "unable to get parentSpace")
}
return parentSpace, nil // all good
}
func (r *Reconciler) ensureSpaceDeletion(ctx context.Context, memberClusterWithSpaceRequest cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) error {
logger := log.FromContext(ctx)
logger.Info("ensure subSpace deletion")
if !util.HasFinalizer(spaceRequest, toolchainv1alpha1.FinalizerName) {
// finalizer was already removed, nothing to delete anymore...
return nil
}
if isBeingDeleted, err := r.deleteSubSpace(ctx, spaceRequest); err != nil {
return r.setStatusTerminatingFailed(ctx, memberClusterWithSpaceRequest, spaceRequest, err)
} else if isBeingDeleted {
if err := r.setStatusTerminating(ctx, memberClusterWithSpaceRequest, spaceRequest); err != nil {
return errs.Wrap(err, "error updating status")
}
return nil
}
// Remove finalizer from SpaceRequest
util.RemoveFinalizer(spaceRequest, toolchainv1alpha1.FinalizerName)
if err := memberClusterWithSpaceRequest.Client.Update(ctx, spaceRequest); err != nil {
return r.setStatusTerminatingFailed(ctx, memberClusterWithSpaceRequest, spaceRequest, errs.Wrap(err, "failed to remove finalizer"))
}
logger.Info("removed finalizer")
return nil
}
// deleteSubSpace checks if the subSpace is still provisioned and in case deletes it.
// returns true/nil if the deletion of the subSpace was triggered
// returns false/nil if the subSpace was already deleted
// return false/err if something went wrong
func (r *Reconciler) deleteSubSpace(ctx context.Context, spaceRequest *toolchainv1alpha1.SpaceRequest) (bool, error) {
subSpace, err := r.getSubSpace(ctx, spaceRequest)
if err != nil {
return false, err
}
// should be a unique subspace
if subSpace == nil {
// the subspace has already been deleted
return false, nil
}
// deleting subSpace
return r.deleteExistingSubSpace(ctx, subSpace)
}
// deleteExistingSubSpace deletes a given space object in case deletion was not issued already.
// returns true/nil if the deletion of the space was triggered
// returns false/nil if the space was already deleted
// return false/err if something went wrong
func (r *Reconciler) deleteExistingSubSpace(ctx context.Context, subSpace *toolchainv1alpha1.Space) (bool, error) {
logger := log.FromContext(ctx)
if util.IsBeingDeleted(subSpace) {
logger.Info("the subSpace resource is already being deleted")
deletionTimestamp := subSpace.GetDeletionTimestamp()
if time.Since(deletionTimestamp.Time) > 120*time.Second {
return false, fmt.Errorf("subSpace deletion has not completed in over 2 minutes")
}
return true, nil // subspace is still being deleted
}
logger.Info("deleting the subSpace resource", "subSpace name", subSpace.Name)
// Delete subSpace associated with SpaceRequest
if err := r.Client.Delete(ctx, subSpace); err != nil {
if errors.IsNotFound(err) {
return false, nil // was already deleted
}
return false, errs.Wrap(err, "unable to delete subspace") // something wrong happened
}
logger.Info("deleted the subSpace resource", "subSpace name", subSpace.Name)
return true, nil
}
func (r *Reconciler) ensureNamespaceAccess(ctx context.Context, memberClusterWithSpaceRequest cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest, subSpace *toolchainv1alpha1.Space, serviceAccountName string) error {
logger := log.FromContext(ctx)
if len(subSpace.Status.ProvisionedNamespaces) == 0 {
logger.Info("provisioned namespaces not available yet...")
return nil
}
logger.Info("ensure secret for provisioned namespaces")
subSpaceTargetCluster, err := r.getTargetCluster(subSpace.Status.TargetCluster)
if err != nil {
return err
}
var namespaceAccess []toolchainv1alpha1.NamespaceAccess
for _, namespace := range subSpace.Status.ProvisionedNamespaces {
na := &toolchainv1alpha1.NamespaceAccess{
Name: namespace.Name,
}
if serviceAccountName != "" {
// generate secret for accessing the provisioned namespace
na, err = r.ensureSecretForProvisionedNamespace(ctx, memberClusterWithSpaceRequest, subSpaceTargetCluster, spaceRequest, namespace, serviceAccountName)
if err != nil {
return err
}
}
namespaceAccess = append(namespaceAccess, *na)
}
// update space request status in case secrets for provisioned namespace were created.
if len(namespaceAccess) > 0 {
spaceRequest.Status.NamespaceAccess = namespaceAccess
return memberClusterWithSpaceRequest.Client.Status().Update(ctx, spaceRequest)
}
return nil
}
func (r *Reconciler) ensureSecretForProvisionedNamespace(
ctx context.Context,
memberClusterWithSpaceRequest cluster.Cluster,
subSpaceTargetCluster cluster.Cluster,
spaceRequest *toolchainv1alpha1.SpaceRequest,
namespace toolchainv1alpha1.SpaceNamespace,
serviceAccountName string,
) (*toolchainv1alpha1.NamespaceAccess, error) {
// check if secret reference exists in SpaceRequest's status
na := r.findNamespaceAccessForNamespace(spaceRequest, namespace)
if na == nil {
// create secret generating the name
return r.createProvisionedNamespaceAccessSecret(ctx, memberClusterWithSpaceRequest, subSpaceTargetCluster, spaceRequest, namespace, serviceAccountName, "")
}
// check if secret referenced in SpaceRequest's status exists
if err := r.searchExistingSecretRef(ctx, memberClusterWithSpaceRequest, spaceRequest, *na); err != nil {
if !errors.IsNotFound(err) {
return nil, err
}
// create with already selected name if it's missing
return r.createProvisionedNamespaceAccessSecret(ctx, memberClusterWithSpaceRequest, subSpaceTargetCluster, spaceRequest, namespace, serviceAccountName, na.SecretRef)
}
return na, nil
}
func (r *Reconciler) createProvisionedNamespaceAccessSecret(
ctx context.Context,
memberClusterWithSpaceRequest cluster.Cluster,
subSpaceTargetCluster cluster.Cluster,
spaceRequest *toolchainv1alpha1.SpaceRequest,
namespace toolchainv1alpha1.SpaceNamespace,
serviceAccountName,
secretName string,
) (*toolchainv1alpha1.NamespaceAccess, error) {
// create the secret for this namespace
clientConfig, err := r.generateKubeConfig(ctx, subSpaceTargetCluster, namespace.Name, serviceAccountName)
if err != nil {
return nil, err
}
clientConfigFormatted, err := clientcmd.Write(*clientConfig)
if err != nil {
return nil, err
}
kubeConfigSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
GenerateName: spaceRequest.Name + "-", // it will be used only when Name is empty
Name: secretName,
Namespace: spaceRequest.Namespace,
Labels: runtimeclient.MatchingLabels{
toolchainv1alpha1.SpaceRequestLabelKey: spaceRequest.GetName(),
toolchainv1alpha1.SpaceRequestProvisionedNamespaceLabelKey: namespace.Name,
},
},
Type: corev1.SecretTypeOpaque,
StringData: map[string]string{
"kubeconfig": string(clientConfigFormatted),
},
}
if err := controllerutil.SetControllerReference(spaceRequest, kubeConfigSecret, r.Scheme); err != nil {
return nil, errs.Wrap(err, "error setting controller reference for secret "+kubeConfigSecret.Name)
}
if err := memberClusterWithSpaceRequest.Client.Create(ctx, kubeConfigSecret); err != nil {
return nil, errs.Wrap(err, "error while creating secret")
}
log.FromContext(ctx).Info("Created Secret", "Name", kubeConfigSecret.Name)
return &toolchainv1alpha1.NamespaceAccess{
Name: namespace.Name,
SecretRef: kubeConfigSecret.Name,
}, nil
}
func (r *Reconciler) findNamespaceAccessForNamespace(
spaceRequest *toolchainv1alpha1.SpaceRequest,
namespace toolchainv1alpha1.SpaceNamespace,
) *toolchainv1alpha1.NamespaceAccess {
for _, namespaceAccessStatus := range spaceRequest.Status.NamespaceAccess {
if namespaceAccessStatus.Name == namespace.Name && namespaceAccessStatus.SecretRef != "" {
return &namespaceAccessStatus
}
}
return nil
}
func (r *Reconciler) searchExistingSecretRef(
ctx context.Context,
memberClusterWithSpaceRequest cluster.Cluster,
spaceRequest *toolchainv1alpha1.SpaceRequest,
namespaceAccess toolchainv1alpha1.NamespaceAccess,
) error {
// try and get the secret to check if it still exists
existingSecret := &corev1.Secret{}
return memberClusterWithSpaceRequest.Client.Get(ctx, types.NamespacedName{
Namespace: spaceRequest.Namespace,
Name: namespaceAccess.SecretRef,
}, existingSecret)
}
func (r *Reconciler) generateKubeConfig(ctx context.Context, subSpaceTargetCluster cluster.Cluster, namespace, serviceAccountName string) (*api.Config, error) {
// create a token request for the admin service account
token, err := restclient.CreateTokenRequest(ctx, subSpaceTargetCluster.RESTClient, types.NamespacedName{
Namespace: namespace,
Name: serviceAccountName,
}, TokenRequestExpirationSeconds)
if err != nil {
return nil, err
}
// create apiConfig based on the secret content
clusters := make(map[string]*api.Cluster, 1)
clusters["default-cluster"] = &api.Cluster{
Server: subSpaceTargetCluster.Config.APIEndpoint,
CertificateAuthorityData: subSpaceTargetCluster.Config.RestConfig.CAData,
}
contexts := make(map[string]*api.Context, 1)
contexts["default-context"] = &api.Context{
Cluster: "default-cluster",
Namespace: namespace,
AuthInfo: serviceAccountName,
}
authinfos := make(map[string]*api.AuthInfo, 1)
authinfos[serviceAccountName] = &api.AuthInfo{
Token: token,
}
clientConfig := &api.Config{
Kind: "Config",
APIVersion: "v1",
Clusters: clusters,
Contexts: contexts,
CurrentContext: "default-context",
AuthInfos: authinfos,
}
return clientConfig, nil
}
func (r *Reconciler) setStatusProvisioning(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) error {
return r.updateStatus(
ctx,
spaceRequest,
memberCluster,
toolchainv1alpha1.Condition{
Type: toolchainv1alpha1.ConditionReady,
Status: corev1.ConditionFalse,
Reason: toolchainv1alpha1.SpaceProvisioningReason,
})
}
func (r *Reconciler) setStatusTerminating(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest) error {
return r.updateStatus(
ctx,
spaceRequest,
memberCluster,
toolchainv1alpha1.Condition{
Type: toolchainv1alpha1.ConditionReady,
Status: corev1.ConditionFalse,
Reason: toolchainv1alpha1.SpaceTerminatingReason,
})
}
func (r *Reconciler) setStatusTerminatingFailed(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest, cause error) error {
if err := r.updateStatus(
ctx,
spaceRequest,
memberCluster,
toolchainv1alpha1.Condition{
Type: toolchainv1alpha1.ConditionReady,
Status: corev1.ConditionFalse,
Reason: toolchainv1alpha1.SpaceTerminatingFailedReason,
Message: cause.Error(),
}); err != nil {
logger := log.FromContext(ctx)
logger.Error(cause, "unable to terminate Space")
return err
}
return cause
}
func (r *Reconciler) setStatusFailedToCreateSubSpace(ctx context.Context, memberCluster cluster.Cluster, spaceRequest *toolchainv1alpha1.SpaceRequest, cause error) error {
if err := r.updateStatus(
ctx,
spaceRequest,
memberCluster,
toolchainv1alpha1.Condition{
Type: toolchainv1alpha1.ConditionReady,
Status: corev1.ConditionFalse,
Reason: toolchainv1alpha1.SpaceProvisioningFailedReason,
Message: cause.Error(),
}); err != nil {
logger := log.FromContext(ctx)
logger.Error(err, "unable to create Space")
return err
}
return cause
}
func (r *Reconciler) updateStatus(ctx context.Context, spaceRequest *toolchainv1alpha1.SpaceRequest, memberCluster cluster.Cluster, conditions ...toolchainv1alpha1.Condition) error {
var updated bool
spaceRequest.Status.Conditions, updated = condition.AddOrUpdateStatusConditions(spaceRequest.Status.Conditions, conditions...)
if !updated {
// Nothing changed
return nil
}
return memberCluster.Client.Status().Update(ctx, spaceRequest)
}
// getTargetCluster checks if the targetClusterName from the space exists and returns its client.
func (r *Reconciler) getTargetCluster(targetClusterName string) (cluster.Cluster, error) {
targetCluster, found := r.MemberClusters[targetClusterName]
if !found {
return cluster.Cluster{}, fmt.Errorf("unable to find target cluster with name: %s", targetClusterName)
}
return targetCluster, nil
}