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Merge pull request #48952 from php-coder/remove_old_stuff

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Automatic merge from submit-queue

kubelet: remove code for handling old pod/containers paths

**What this PR does / why we need it**:
This PR removes the code for handling the paths that has been deprecated for a long time.

**Release note**:

```release-note
NONE
```

CC @simo5
This commit is contained in:
Kubernetes Submit Queue 2017-08-04 04:55:00 -07:00 committed by GitHub
commit e331de9ef3
2 changed files with 2 additions and 77 deletions
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36
pkg/kubelet/kubelet_getters.go
View File

@ -71,23 +71,7 @@ func (kl *Kubelet) GetPodDir(podUID types.UID) string {
// getPodDir returns the full path to the per-pod directory for the pod with // getPodDir returns the full path to the per-pod directory for the pod with
// the given UID. // the given UID.
func (kl *Kubelet) getPodDir(podUID types.UID) string { func (kl *Kubelet) getPodDir(podUID types.UID) string {
// Backwards compat. The "old" stuff should be removed before 1.0 return filepath.Join(kl.getPodsDir(), string(podUID))
// release. The thinking here is this:
// !old && !new = use new
// !old && new = use new
// old && !new = use old
// old && new = use new (but warn)
oldPath := filepath.Join(kl.getRootDir(), string(podUID))
oldExists := dirExists(oldPath)
newPath := filepath.Join(kl.getPodsDir(), string(podUID))
newExists := dirExists(newPath)
if oldExists && !newExists {
return oldPath
}
if oldExists {
glog.Warningf("Data dir for pod %q exists in both old and new form, using new", podUID)
}
return newPath
} }
// getPodVolumesDir returns the full path to the per-pod data directory under // getPodVolumesDir returns the full path to the per-pod data directory under
@ -122,23 +106,7 @@ func (kl *Kubelet) getPodPluginDir(podUID types.UID, pluginName string) string {
// which container data is held for the specified pod. This directory may not // which container data is held for the specified pod. This directory may not
// exist if the pod or container does not exist. // exist if the pod or container does not exist.
func (kl *Kubelet) getPodContainerDir(podUID types.UID, ctrName string) string { func (kl *Kubelet) getPodContainerDir(podUID types.UID, ctrName string) string {
// Backwards compat. The "old" stuff should be removed before 1.0 return filepath.Join(kl.getPodDir(podUID), options.DefaultKubeletContainersDirName, ctrName)
// release. The thinking here is this:
// !old && !new = use new
// !old && new = use new
// old && !new = use old
// old && new = use new (but warn)
oldPath := filepath.Join(kl.getPodDir(podUID), ctrName)
oldExists := dirExists(oldPath)
newPath := filepath.Join(kl.getPodDir(podUID), options.DefaultKubeletContainersDirName, ctrName)
newExists := dirExists(newPath)
if oldExists && !newExists {
return oldPath
}
if oldExists {
glog.Warningf("Data dir for pod %q, container %q exists in both old and new form, using new", podUID, ctrName)
}
return newPath
} }
// GetPods returns all pods bound to the kubelet and their spec, and the mirror // GetPods returns all pods bound to the kubelet and their spec, and the mirror

43
pkg/kubelet/kubelet_getters_test.go
View File

@ -17,13 +17,10 @@ limitations under the License.
package kubelet package kubelet
import ( import (
"fmt"
"os"
"path/filepath" "path/filepath"
"testing" "testing"
"github.com/stretchr/testify/assert" "github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
) )
func TestKubeletDirs(t *testing.T) { func TestKubeletDirs(t *testing.T) {
@ -70,43 +67,3 @@ func TestKubeletDirs(t *testing.T) {
exp = filepath.Join(root, "pods/abc123/containers/def456") exp = filepath.Join(root, "pods/abc123/containers/def456")
assert.Equal(t, exp, got) assert.Equal(t, exp, got)
} }
func TestKubeletDirsCompat(t *testing.T) {
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
defer testKubelet.Cleanup()
kubelet := testKubelet.kubelet
root := kubelet.rootDirectory
require.NoError(t, os.MkdirAll(root, 0750), "can't mkdir(%q)", root)
// Old-style pod dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/oldpod", root), 0750), "can't mkdir(%q)", root)
// New-style pod dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/pods/newpod", root), 0750), "can't mkdir(%q)", root)
// Both-style pod dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/bothpod", root), 0750), "can't mkdir(%q)", root)
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/pods/bothpod", root), 0750), "can't mkdir(%q)", root)
assert.Equal(t, filepath.Join(root, "oldpod"), kubelet.getPodDir("oldpod"))
assert.Equal(t, filepath.Join(root, "pods/newpod"), kubelet.getPodDir("newpod"))
assert.Equal(t, filepath.Join(root, "pods/bothpod"), kubelet.getPodDir("bothpod"))
assert.Equal(t, filepath.Join(root, "pods/neitherpod"), kubelet.getPodDir("neitherpod"))
root = kubelet.getPodDir("newpod")
// Old-style container dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/oldctr", root), 0750), "can't mkdir(%q)", root)
// New-style container dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/containers/newctr", root), 0750), "can't mkdir(%q)", root)
// Both-style container dir.
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/bothctr", root), 0750), "can't mkdir(%q)", root)
require.NoError(t, os.MkdirAll(fmt.Sprintf("%s/containers/bothctr", root), 0750), "can't mkdir(%q)", root)
assert.Equal(t, filepath.Join(root, "oldctr"), kubelet.getPodContainerDir("newpod", "oldctr"))
assert.Equal(t, filepath.Join(root, "containers/newctr"), kubelet.getPodContainerDir("newpod", "newctr"))
assert.Equal(t, filepath.Join(root, "containers/bothctr"), kubelet.getPodContainerDir("newpod", "bothctr"))
assert.Equal(t, filepath.Join(root, "containers/neitherctr"), kubelet.getPodContainerDir("newpod", "neitherctr"))
}