/
certificate.go
54 lines (48 loc) · 2.07 KB
/
certificate.go
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// Copyright 2021 Antrea Authors
//
// 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 exporter
import (
"context"
"fmt"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
const (
CAConfigMapName = "flow-aggregator-ca"
CAConfigMapKey = "ca.crt"
CAConfigMapNamespace = "flow-aggregator"
ClientSecretNamespace = "flow-aggregator"
// #nosec G101: false positive triggered by variable name which includes "Secret"
ClientSecretName = "flow-aggregator-client-tls"
)
func getCACert(k8sClient kubernetes.Interface) ([]byte, error) {
caConfigMap, err := k8sClient.CoreV1().ConfigMaps(CAConfigMapNamespace).Get(context.TODO(), CAConfigMapName, metav1.GetOptions{})
if err != nil {
return nil, fmt.Errorf("error getting ConfigMap %s: %v", CAConfigMapName, err)
}
if caConfigMap.Data == nil || caConfigMap.Data[CAConfigMapKey] == "" {
return nil, fmt.Errorf("no data in %s ConfigMap", CAConfigMapName)
}
return []byte(caConfigMap.Data[CAConfigMapKey]), nil
}
func getClientCertKey(k8sClient kubernetes.Interface) ([]byte, []byte, error) {
clientSecret, err := k8sClient.CoreV1().Secrets(ClientSecretNamespace).Get(context.TODO(), ClientSecretName, metav1.GetOptions{})
if err != nil {
return nil, nil, fmt.Errorf("error getting Secret %s: %v", ClientSecretName, err)
}
if clientSecret.Data == nil || clientSecret.Data["tls.crt"] == nil || clientSecret.Data["tls.key"] == nil {
return nil, nil, fmt.Errorf("error getting data from Secret %s: %v", ClientSecretName, err)
}
return clientSecret.Data["tls.crt"], clientSecret.Data["tls.key"], nil
}