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kubelet/container: Move kubelet.volumeMap to container.VolumeMap.

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This is a quick fix to solve circular dependency problem when
rkt references volume maps.
This commit is contained in:
Yifan Gu 2015-05-06 16:50:57 -07:00
parent d6ea33fbb5
commit 8715c54bd3
5 changed files with 14 additions and 11 deletions
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3
pkg/kubelet/container/runtime.go
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@ -23,6 +23,7 @@ import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
"github.com/GoogleCloudPlatform/kubernetes/pkg/volume"
)
type Version interface {
@ -205,6 +206,8 @@ type RunContainerOptions struct {
CgroupParent string
}
type VolumeMap map[string]volume.Volume
type Pods []*Pod
// FindPodByID finds and returns a pod in the pod list by UID. It will return an empty pod

4
pkg/kubelet/kubelet.go
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@ -93,8 +93,6 @@ type SyncHandler interface {
type SourcesReadyFn func() bool
type volumeMap map[string]volume.Volume
// Wait for the container runtime to be up with a timeout.
func waitUntilRuntimeIsUp(cr kubecontainer.Runtime, timeout time.Duration) error {
var err error = nil
@ -645,7 +643,7 @@ func (kl *Kubelet) syncNodeStatus() {
}
}
func makeBinds(container *api.Container, podVolumes volumeMap) (binds []string) {
func makeBinds(container *api.Container, podVolumes kubecontainer.VolumeMap) (binds []string) {
for _, mount := range container.VolumeMounts {
vol, ok := podVolumes[mount.Name]
if !ok {

4
pkg/kubelet/kubelet_test.go
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@ -1307,7 +1307,7 @@ func TestMakeVolumesAndBinds(t *testing.T) {
},
}
podVolumes := volumeMap{
podVolumes := kubecontainer.VolumeMap{
"disk": &stubVolume{"/mnt/disk"},
"disk4": &stubVolume{"/mnt/host"},
"disk5": &stubVolume{"/var/lib/kubelet/podID/volumes/empty/disk5"},
@ -3990,7 +3990,7 @@ func TestGetPodCreationFailureReason(t *testing.T) {
}
pods := []*api.Pod{pod}
kubelet.podManager.SetPods(pods)
kubelet.volumeManager.SetVolumes(pod.UID, volumeMap{})
kubelet.volumeManager.SetVolumes(pod.UID, kubecontainer.VolumeMap{})
// TODO: Move this test to dockertools so that we don't have to do the hacky
// type assertion here.
dm := kubelet.containerRuntime.(*dockertools.DockerManager)

9
pkg/kubelet/volume_manager.go
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@ -19,6 +19,7 @@ package kubelet
import (
"sync"
kubecontainer "github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet/container"
"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
)
@ -27,18 +28,18 @@ import (
// take care of the volumePlugins.
type volumeManager struct {
lock sync.RWMutex
volumeMaps map[types.UID]volumeMap
volumeMaps map[types.UID]kubecontainer.VolumeMap
}
func newVolumeManager() *volumeManager {
vm := &volumeManager{}
vm.volumeMaps = make(map[types.UID]volumeMap)
vm.volumeMaps = make(map[types.UID]kubecontainer.VolumeMap)
return vm
}
// SetVolumes sets the volume map for a pod.
// TODO(yifan): Currently we assume the volume is already mounted, so we only do a book keeping here.
func (vm *volumeManager) SetVolumes(podUID types.UID, podVolumes volumeMap) {
func (vm *volumeManager) SetVolumes(podUID types.UID, podVolumes kubecontainer.VolumeMap) {
vm.lock.Lock()
defer vm.lock.Unlock()
vm.volumeMaps[podUID] = podVolumes
@ -46,7 +47,7 @@ func (vm *volumeManager) SetVolumes(podUID types.UID, podVolumes volumeMap) {
// GetVolumes returns the volume map which are already mounted on the host machine
// for a pod.
func (vm *volumeManager) GetVolumes(podUID types.UID) (volumeMap, bool) {
func (vm *volumeManager) GetVolumes(podUID types.UID) (kubecontainer.VolumeMap, bool) {
vm.lock.RLock()
defer vm.lock.RUnlock()
vol, ok := vm.volumeMaps[podUID]

5
pkg/kubelet/volumes.go
View File

@ -23,6 +23,7 @@ import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
kubecontainer "github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet/container"
"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/mount"
@ -96,8 +97,8 @@ func (kl *Kubelet) newVolumeBuilderFromPlugins(spec *volume.Spec, podRef *api.Ob
return builder, nil
}
func (kl *Kubelet) mountExternalVolumes(pod *api.Pod) (volumeMap, error) {
podVolumes := make(volumeMap)
func (kl *Kubelet) mountExternalVolumes(pod *api.Pod) (kubecontainer.VolumeMap, error) {
podVolumes := make(kubecontainer.VolumeMap)
for i := range pod.Spec.Volumes {
volSpec := &pod.Spec.Volumes[i]