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configmap.go
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configmap.go
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//
// Copyright (c) 2019-2021 Red Hat, Inc.
// 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 asyncstorage
import (
"fmt"
"strings"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
wsprovision "github.com/devfile/devworkspace-operator/pkg/provision/workspace"
)
const (
sshAuthorizedKeysConfigMapName = "async-storage-config"
authorizedKeysFilename = "authorized_keys"
)
func getSSHAuthorizedKeysConfigMapSpec(namespace string, authorizedKeys []byte) *corev1.ConfigMap {
cm := &corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: sshAuthorizedKeysConfigMapName,
Namespace: namespace,
Labels: map[string]string{
"app.kubernetes.io/name": "async-storage", // TODO
"app.kubernetes.io/part-of": "devworkspace-operator",
},
},
Data: map[string]string{
authorizedKeysFilename: string(authorizedKeys),
},
}
return cm
}
func getSSHAuthorizedKeysConfigMapCluster(namespace string, clusterAPI wsprovision.ClusterAPI) (*corev1.ConfigMap, error) {
cm := &corev1.ConfigMap{}
namespaceName := types.NamespacedName{
Name: sshAuthorizedKeysConfigMapName,
Namespace: namespace,
}
err := clusterAPI.Client.Get(clusterAPI.Ctx, namespaceName, cm)
return cm, err
}
func addAuthorizedKeyToConfigMap(configmap *corev1.ConfigMap, authorizedKeyBytes []byte) (didChange bool, err error) {
authorizedKeys, ok := configmap.Data[authorizedKeysFilename]
if !ok {
return false, fmt.Errorf("could not find authorized_keys in configmap %s", configmap.Name)
}
authorizedKey := string(authorizedKeyBytes)
authorizedKeyTrimmed := strings.TrimRight(authorizedKey, "\n")
exists := false
for _, key := range strings.Split(authorizedKeys, "\n") {
if key == authorizedKeyTrimmed {
exists = true
break
}
}
if exists {
return false, nil
}
configmap.Data[authorizedKeysFilename] = authorizedKeys + authorizedKey
return true, nil
}