/
serviceaccount.go
80 lines (67 loc) · 2.18 KB
/
serviceaccount.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package gatekeeper
import (
"context"
"errors"
"github.com/hashicorp/consul-k8s/control-plane/api-gateway/common"
"k8s.io/apimachinery/pkg/types"
gwv1beta1 "sigs.k8s.io/gateway-api/apis/v1beta1"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
)
func (g *Gatekeeper) upsertServiceAccount(ctx context.Context, gateway gwv1beta1.Gateway, config common.HelmConfig) error {
if config.AuthMethod == "" && !config.EnableOpenShift {
return g.deleteServiceAccount(ctx, types.NamespacedName{Namespace: gateway.Namespace, Name: gateway.Name})
}
serviceAccount := &corev1.ServiceAccount{}
exists := false
// Get ServiceAccount if it exists.
err := g.Client.Get(ctx, g.namespacedName(gateway), serviceAccount)
if err != nil && !k8serrors.IsNotFound(err) {
return err
} else if k8serrors.IsNotFound(err) {
exists = false
} else {
exists = true
}
if exists {
// Ensure we own the ServiceAccount.
for _, ref := range serviceAccount.GetOwnerReferences() {
if ref.UID == gateway.GetUID() && ref.Name == gateway.GetName() {
// We found ourselves!
return nil
}
}
return errors.New("ServiceAccount not owned by controller")
}
// Create the ServiceAccount.
serviceAccount = g.serviceAccount(gateway)
if err := ctrl.SetControllerReference(&gateway, serviceAccount, g.Client.Scheme()); err != nil {
return err
}
if err := g.Client.Create(ctx, serviceAccount); err != nil {
return err
}
return nil
}
func (g *Gatekeeper) deleteServiceAccount(ctx context.Context, gwName types.NamespacedName) error {
if err := g.Client.Delete(ctx, &corev1.ServiceAccount{ObjectMeta: metav1.ObjectMeta{Name: gwName.Name, Namespace: gwName.Namespace}}); err != nil {
if k8serrors.IsNotFound(err) {
return nil
}
return err
}
return nil
}
func (g *Gatekeeper) serviceAccount(gateway gwv1beta1.Gateway) *corev1.ServiceAccount {
return &corev1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: gateway.Name,
Namespace: gateway.Namespace,
Labels: common.LabelsForGateway(&gateway),
},
}
}