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Require PV provisioner secrets to match type #35675

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Oct 30, 2016
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2 changes: 1 addition & 1 deletion pkg/volume/glusterfs/glusterfs.go
Original file line number Diff line number Diff line change
Expand Up @@ -623,7 +623,7 @@ func (d *glusterfsVolumeDeleter) deleteEndpointService(namespace string, epServi

// parseSecret finds a given Secret instance and reads user password from it.
func parseSecret(namespace, secretName string, kubeClient clientset.Interface) (string, error) {
secretMap, err := volutil.GetSecret(namespace, secretName, kubeClient)
secretMap, err := volutil.GetSecretForPV(namespace, secretName, glusterfsPluginName, kubeClient)
if err != nil {
glog.Errorf("failed to get secret from [%q/%q]", namespace, secretName)
return "", fmt.Errorf("failed to get secret from [%q/%q]", namespace, secretName)
Expand Down
1 change: 1 addition & 0 deletions pkg/volume/glusterfs/glusterfs_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,7 @@ func TestPersistentClaimReadOnlyFlag(t *testing.T) {

func TestParseClassParameters(t *testing.T) {
secret := api.Secret{
Type: "kubernetes.io/glusterfs",
Data: map[string][]byte{
"data": []byte("mypassword"),
},
Expand Down
5 changes: 3 additions & 2 deletions pkg/volume/quobyte/quobyte.go
Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,7 @@ func (provisioner *quobyteVolumeProvisioner) Provision() (*api.PersistentVolume,
}
}

secretMap, err := util.GetSecret(adminSecretNamespace, adminSecretName, provisioner.plugin.host.GetKubeClient())
secretMap, err := util.GetSecretForPV(adminSecretNamespace, adminSecretName, quobytePluginName, provisioner.plugin.host.GetKubeClient())
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -444,9 +444,10 @@ func (deleter *quobyteVolumeDeleter) Delete() error {
return err
}

secretMap, err := util.GetSecret(
secretMap, err := util.GetSecretForPV(
annotations[annotationQuobyteAPISecretNamespace],
annotations[annotationQuobyteAPISecret],
quobytePluginName,
deleter.plugin.host.GetKubeClient())

if err != nil {
Expand Down
25 changes: 19 additions & 6 deletions pkg/volume/rbd/rbd.go
Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ func (plugin *rbdPlugin) NewMounter(spec *volume.Spec, pod *api.Pod, _ volume.Vo
source, _ := plugin.getRBDVolumeSource(spec)

if source.SecretRef != nil {
if secret, err = parseSecret(pod.Namespace, source.SecretRef.Name, plugin.host.GetKubeClient()); err != nil {
if secret, err = parsePodSecret(pod, source.SecretRef.Name, plugin.host.GetKubeClient()); err != nil {
glog.Errorf("Couldn't get secret from %v/%v", pod.Namespace, source.SecretRef)
return nil, err
}
Expand Down Expand Up @@ -199,7 +199,7 @@ func (plugin *rbdPlugin) NewDeleter(spec *volume.Spec) (volume.Deleter, error) {
}
}

secret, err := parseSecret(adminSecretNamespace, adminSecretName, plugin.host.GetKubeClient())
secret, err := parsePVSecret(adminSecretNamespace, adminSecretName, plugin.host.GetKubeClient())
if err != nil {
// log error but don't return yet
glog.Errorf("failed to get admin secret from [%q/%q]: %v", adminSecretNamespace, adminSecretName, err)
Expand Down Expand Up @@ -281,7 +281,7 @@ func (r *rbdVolumeProvisioner) Provision() (*api.PersistentVolume, error) {
if adminSecretName == "" {
return nil, fmt.Errorf("missing Ceph admin secret name")
}
if secret, err = parseSecret(adminSecretNamespace, adminSecretName, r.plugin.host.GetKubeClient()); err != nil {
if secret, err = parsePVSecret(adminSecretNamespace, adminSecretName, r.plugin.host.GetKubeClient()); err != nil {
// log error but don't return yet
glog.Errorf("failed to get admin secret from [%q/%q]", adminSecretNamespace, adminSecretName)
}
Expand Down Expand Up @@ -428,13 +428,26 @@ func getVolumeSource(
return nil, false, fmt.Errorf("Spec does not reference a RBD volume type")
}

// parseSecretMap locates the secret by key name.
func parseSecret(namespace, secretName string, kubeClient clientset.Interface) (string, error) {
secretMap, err := volutil.GetSecret(namespace, secretName, kubeClient)
func parsePodSecret(pod *api.Pod, secretName string, kubeClient clientset.Interface) (string, error) {
secret, err := volutil.GetSecretForPod(pod, secretName, kubeClient)
if err != nil {
glog.Errorf("failed to get secret from [%q/%q]", pod.Namespace, secretName)
return "", fmt.Errorf("failed to get secret from [%q/%q]", pod.Namespace, secretName)
}
return parseSecretMap(secret)
}

func parsePVSecret(namespace, secretName string, kubeClient clientset.Interface) (string, error) {
secret, err := volutil.GetSecretForPV(namespace, secretName, rbdPluginName, kubeClient)
if err != nil {
glog.Errorf("failed to get secret from [%q/%q]", namespace, secretName)
return "", fmt.Errorf("failed to get secret from [%q/%q]", namespace, secretName)
}
return parseSecretMap(secret)
}

// parseSecretMap locates the secret by key name.
func parseSecretMap(secretMap map[string]string) (string, error) {
if len(secretMap) == 0 {
return "", fmt.Errorf("empty secret map")
}
Expand Down
24 changes: 21 additions & 3 deletions pkg/volume/util/util.go
Original file line number Diff line number Diff line change
Expand Up @@ -112,17 +112,35 @@ func PathExists(path string) (bool, error) {
}
}

// GetSecret locates secret by name and namespace and returns secret map
func GetSecret(namespace, secretName string, kubeClient clientset.Interface) (map[string]string, error) {
// GetSecretForPod locates secret by name in the pod's namespace and returns secret map
func GetSecretForPod(pod *api.Pod, secretName string, kubeClient clientset.Interface) (map[string]string, error) {
secret := make(map[string]string)
if kubeClient == nil {
return secret, fmt.Errorf("Cannot get kube client")
}
secrets, err := kubeClient.Core().Secrets(pod.Namespace).Get(secretName)
if err != nil {
return secret, err
}
for name, data := range secrets.Data {
secret[name] = string(data)
}
return secret, nil
}

secrets, err := kubeClient.Core().Secrets(namespace).Get(secretName)
// GetSecretForPV locates secret by name and namespace, verifies the secret type, and returns secret map
func GetSecretForPV(secretNamespace, secretName, volumePluginName string, kubeClient clientset.Interface) (map[string]string, error) {
secret := make(map[string]string)
if kubeClient == nil {
return secret, fmt.Errorf("Cannot get kube client")
}
secrets, err := kubeClient.Core().Secrets(secretNamespace).Get(secretName)
if err != nil {
return secret, err
}
if secrets.Type != api.SecretType(volumePluginName) {
return secret, fmt.Errorf("Cannot get secret of type %s", volumePluginName)
}
for name, data := range secrets.Data {
secret[name] = string(data)
}
Expand Down