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auth.go
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auth.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 internal
import (
"context"
"fmt"
"github.com/gardener/gardener-extension-provider-azure/pkg/azure"
extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// ClientAuth represents a Azure Client Auth credentials.
type ClientAuth struct {
// SubscriptionID is the azure subscription ID.
SubscriptionID string
// TenantID is the azure tenant id.
TenantID string
// ClientID is the azure client id
ClientID string
// ClientSecret is the client secret
ClientSecret string
}
// GetClientAuthData retrieves the client auth data specified by the secret reference.
func GetClientAuthData(ctx context.Context, c client.Client, secretRef corev1.SecretReference) (*ClientAuth, error) {
secret, err := extensionscontroller.GetSecretByReference(ctx, c, &secretRef)
if err != nil {
return nil, err
}
return ReadClientAuthDataFromSecret(secret)
}
// ReadClientAuthDataFromSecret reads the client auth details from the given secret.
func ReadClientAuthDataFromSecret(secret *corev1.Secret) (*ClientAuth, error) {
subscriptionID, ok := secret.Data[azure.SubscriptionIDKey]
if !ok {
return nil, fmt.Errorf("secret %s/%s doesn't have a subscription ID", secret.Namespace, secret.Name)
}
clientID, ok := secret.Data[azure.ClientIDKey]
if !ok {
return nil, fmt.Errorf("secret %s/%s doesn't have a client ID", secret.Namespace, secret.Name)
}
tenantID, ok := secret.Data[azure.TenantIDKey]
if !ok {
return nil, fmt.Errorf("secret %s/%s doesn't have a tenant ID", secret.Namespace, secret.Name)
}
clientSecret, ok := secret.Data[azure.ClientSecretKey]
if !ok {
return nil, fmt.Errorf("secret %s/%s doesn't have a Client Secret", secret.Namespace, secret.Name)
}
return &ClientAuth{
SubscriptionID: string(subscriptionID),
ClientID: string(clientID),
TenantID: string(tenantID),
ClientSecret: string(clientSecret),
}, nil
}