mirror of
https://github.com/ceph/ceph-csi.git
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59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
/*
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Copyright 2019 ceph-csi authors.
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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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http://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 util
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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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k8s "k8s.io/client-go/kubernetes"
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)
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/*
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K8sConfig is a ConfigStore interface implementation that reads configuration
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information from k8s secrets.
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Each Ceph cluster configuration secret is expected to be named,
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ceph-cluster-<clusterid>, where <clusterid> uniquely identifies and
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separates the each Ceph cluster configuration.
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The secret is expected to contain keys, as defined by the ConfigKeys constants
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in the ConfigStore interface.
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*/
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type K8sConfig struct {
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Client *k8s.Clientset
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Namespace string
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}
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// DataForKey reads the appropriate k8s secret, named using clusterid, and
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// returns the contents of key within the secret
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func (kc *K8sConfig) DataForKey(clusterid, key string) (data string, err error) {
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secret, err := kc.Client.CoreV1().Secrets(kc.Namespace).Get("ceph-cluster-"+clusterid, metav1.GetOptions{})
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if err != nil {
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err = fmt.Errorf("error fetching configuration for cluster ID (%s). (%s)", clusterid, err)
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return
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}
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content, ok := secret.Data[key]
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if !ok {
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err = fmt.Errorf("missing data for key (%s) in cluster configuration of (%s)", key, clusterid)
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return
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}
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data = string(content)
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return
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}
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