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121 lines
3.5 KiB
Go
121 lines
3.5 KiB
Go
/*
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Copyright 2016 The Kubernetes 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 azure_file
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import (
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"fmt"
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"strings"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/volume"
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)
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const (
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fileModeName = "file_mode"
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dirModeName = "dir_mode"
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defaultFileMode = "700"
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defaultDirMode = "700"
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)
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// Abstract interface to azure file operations.
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type azureUtil interface {
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GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error)
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SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error)
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}
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type azureSvc struct{}
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func (s *azureSvc) GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error) {
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var accountKey, accountName string
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kubeClient := host.GetKubeClient()
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if kubeClient == nil {
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return "", "", fmt.Errorf("Cannot get kube client")
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}
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keys, err := kubeClient.Core().Secrets(nameSpace).Get(secretName, metav1.GetOptions{})
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if err != nil {
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return "", "", fmt.Errorf("Couldn't get secret %v/%v", nameSpace, secretName)
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}
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for name, data := range keys.Data {
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if name == "azurestorageaccountname" {
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accountName = string(data)
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}
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if name == "azurestorageaccountkey" {
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accountKey = string(data)
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}
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}
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if accountName == "" || accountKey == "" {
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return "", "", fmt.Errorf("Invalid %v/%v, couldn't extract azurestorageaccountname or azurestorageaccountkey", nameSpace, secretName)
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}
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return accountName, accountKey, nil
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}
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func (s *azureSvc) SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error) {
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kubeClient := host.GetKubeClient()
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if kubeClient == nil {
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return "", fmt.Errorf("Cannot get kube client")
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}
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secretName := "azure-storage-account-" + accountName + "-secret"
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secret := &v1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: nameSpace,
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Name: secretName,
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},
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Data: map[string][]byte{
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"azurestorageaccountname": []byte(accountName),
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"azurestorageaccountkey": []byte(accountKey),
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},
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Type: "Opaque",
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}
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_, err := kubeClient.Core().Secrets(nameSpace).Create(secret)
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if errors.IsAlreadyExists(err) {
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err = nil
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}
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if err != nil {
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return "", fmt.Errorf("Couldn't create secret %v", err)
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}
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return secretName, err
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}
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// check whether mountOptions contains file_mode and dir_mode, if not, append default mode
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func appendDefaultMountOptions(mountOptions []string) []string {
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fileModeFlag := false
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dirModeFlag := false
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for _, mountOption := range mountOptions {
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if strings.HasPrefix(mountOption, fileModeName) {
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fileModeFlag = true
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}
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if strings.HasPrefix(mountOption, dirModeName) {
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dirModeFlag = true
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}
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}
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allMountOptions := mountOptions
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if !fileModeFlag {
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allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%s", fileModeName, defaultFileMode))
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}
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if !dirModeFlag {
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allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%s", dirModeName, defaultDirMode))
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}
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return allMountOptions
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}
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