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Configure container volumes for generate kube

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Signed-off-by: Peter Hunt <pehunt@redhat.com>
This commit is contained in:
Peter Hunt 2019-07-01 16:07:25 -04:00
parent 150778820f
commit 1307e96d5e
1 changed files with 24 additions and 3 deletions
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27
libpod/kube.go
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@ -328,9 +328,14 @@ func libpodMaxAndMinToResourceList(c *Container) (v1.ResourceList, v1.ResourceLi
func generateKubeVolumeMount(hostSourcePath string, mounts []specs.Mount) (v1.VolumeMount, error) {
vm := v1.VolumeMount{}
for _, m := range mounts {
if m.Source == hostSourcePath {
fmt.Println(m.Destination, hostSourcePath)
if m.Destination == hostSourcePath {
// TODO Name is not provided and is required by Kube; therefore, this is disabled earlier
//vm.Name =
name, err := convertVolumePathToName(m.Source)
if err != nil {
return vm, err
}
vm.Name = name
vm.MountPath = m.Source
vm.SubPath = m.Destination
if util.StringInSlice("ro", m.Options) {
@ -342,6 +347,22 @@ func generateKubeVolumeMount(hostSourcePath string, mounts []specs.Mount) (v1.Vo
return vm, errors.New("unable to find mount source")
}
func convertVolumePathToName(hostSourcePath string) (string, error) {
if len(hostSourcePath) == 0 {
return "", errors.Errorf("hostSourcePath must be specified to generate volume name")
}
if len(hostSourcePath) == 1 {
if hostSourcePath != "/" {
return "", errors.Errorf("hostSourcePath malformatted: %s", hostSourcePath)
}
// add special case name
return "root", nil
}
// First, trim trailing slashes, then replace slashes with dashes.
// Thus, /mnt/data/ will become mnt-data
return strings.Replace(strings.Trim(hostSourcePath, "/"), "/", "-", -1), nil
}
// libpodMountsToKubeVolumeMounts converts the containers mounts to a struct kube understands
func libpodMountsToKubeVolumeMounts(c *Container) ([]v1.VolumeMount, error) {
// At this point, I dont think we can distinguish between the default
@ -350,7 +371,7 @@ func libpodMountsToKubeVolumeMounts(c *Container) ([]v1.VolumeMount, error) {
for _, hostSourcePath := range c.config.UserVolumes {
vm, err := generateKubeVolumeMount(hostSourcePath, c.config.Spec.Mounts)
if err != nil {
continue
return vms, err
}
vms = append(vms, vm)
}