73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubeconfig
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import (
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"opendev.org/airship/airshipctl/pkg/k8s/client"
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"opendev.org/airship/airshipctl/pkg/log"
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)
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// FromClusterOptions holds all configurable options for kubeconfig extraction
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type FromClusterOptions struct {
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ClusterName string
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Namespace string
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Client client.Interface
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}
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// GetKubeconfigFromSecret extracts kubeconfig from secret data structure
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func GetKubeconfigFromSecret(o *FromClusterOptions) ([]byte, error) {
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const defaultNamespace = "default"
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if o.ClusterName == "" {
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return nil, ErrClusterNameEmpty{}
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}
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if o.Namespace == "" {
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log.Printf("Namespace is not provided, using default one")
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o.Namespace = defaultNamespace
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}
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log.Debugf("Extracting kubeconfig from secret in cluster %s(namespace: %s)", o.ClusterName, o.Namespace)
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secretName := fmt.Sprintf("%s-kubeconfig", o.ClusterName)
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kubeCore := o.Client.ClientSet().CoreV1()
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secret, err := kubeCore.Secrets(o.Namespace).Get(secretName, metav1.GetOptions{})
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if err != nil {
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return nil, err
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}
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if secret.Data == nil {
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return nil, ErrMalformedSecret{
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ClusterName: o.ClusterName,
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Namespace: o.Namespace,
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SecretName: secretName,
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}
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}
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val, exist := secret.Data["value"]
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if !exist || len(val) == 0 {
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return nil, ErrMalformedSecret{
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ClusterName: o.ClusterName,
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Namespace: o.Namespace,
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SecretName: secretName,
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}
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}
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return val, nil
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}
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