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Implement CanMount() for gfsMounter for linux

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This commit is contained in:
rkouj 2016-11-11 17:30:20 -08:00
parent f228edbf8e
commit b85ac95143
1 changed files with 20 additions and 11 deletions
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31
pkg/volume/glusterfs/glusterfs.go
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@ -35,6 +35,7 @@ import (
"k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
volutil "k8s.io/kubernetes/pkg/volume/util"
"runtime"
)
// This is the primary entrypoint for volume plugins.
@ -55,17 +56,18 @@ var _ volume.Provisioner = &glusterfsVolumeProvisioner{}
var _ volume.Deleter = &glusterfsVolumeDeleter{}
const (
glusterfsPluginName = "kubernetes.io/glusterfs"
volPrefix = "vol_"
dynamicEpSvcPrefix = "glusterfs-dynamic-"
replicaCount = 3
durabilityType = "replicate"
secretKeyName = "key" // key name used in secret
annGlusterURL = "glusterfs.kubernetes.io/url"
annGlusterSecretName = "glusterfs.kubernetes.io/secretname"
annGlusterSecretNamespace = "glusterfs.kubernetes.io/secretnamespace"
annGlusterUserKey = "glusterfs.kubernetes.io/userkey"
annGlusterUser = "glusterfs.kubernetes.io/userid"
glusterfsPluginName = "kubernetes.io/glusterfs"
volPrefix = "vol_"
dynamicEpSvcPrefix = "glusterfs-dynamic-"
replicaCount = 3
durabilityType = "replicate"
secretKeyName = "key" // key name used in secret
annGlusterURL = "glusterfs.kubernetes.io/url"
annGlusterSecretName = "glusterfs.kubernetes.io/secretname"
annGlusterSecretNamespace = "glusterfs.kubernetes.io/secretnamespace"
annGlusterUserKey = "glusterfs.kubernetes.io/userkey"
annGlusterUser = "glusterfs.kubernetes.io/userid"
gciGlusterMountBinariesPath = "/sbin/mount.glusterfs"
)
func (plugin *glusterfsPlugin) Init(host volume.VolumeHost) error {
@ -211,6 +213,13 @@ func (b *glusterfsMounter) GetAttributes() volume.Attributes {
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *glusterfsMounter) CanMount() error {
exe := exec.New()
switch runtime.GOOS {
case "linux":
if _, err := exe.Command("/bin/ls", gciGlusterMountBinariesPath).CombinedOutput(); err != nil {
return fmt.Errorf("Required binary %s is missing", gciGlusterMountBinariesPath)
}
}
return nil
}