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virtcontainers: Add support for ephemeral volumes

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Ephemeral volumes should not be passed at 9pfs mounts.
They should be created inside the VM.

This patch disables ephemeral volumes from getting
mounted as 9pfs from the host and instead a corresponding
tmpfs is created inside the VM.

Fixes : #61

Signed-off-by: Harshal Patil <harshal.patil@in.ibm.com>
This commit is contained in:
Harshal Patil
2018-06-01 15:17:40 +05:30
parent 6f409b9528
commit b821a5df4c
6 changed files with 118 additions and 2 deletions
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14
cli/utils_test.go
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@@ -38,6 +38,20 @@ func TestFileExists(t *testing.T) {
fmt.Sprintf("File %q should exist", file))
}
func TestIsEphemeralStorage(t *testing.T) {
sampleEphePath := "/var/lib/kubelet/pods/366c3a75-4869-11e8-b479-507b9ddd5ce4/volumes/kubernetes.io~empty-dir/cache-volume"
isEphe := IsEphemeralStorage(sampleEphePath)
if !isEphe {
t.Fatalf("Unable to correctly determine volume type")
}
sampleEphePath = "/var/lib/kubelet/pods/366c3a75-4869-11e8-b479-507b9ddd5ce4/volumes/cache-volume"
isEphe = IsEphemeralStorage(sampleEphePath)
if isEphe {
t.Fatalf("Unable to correctly determine volume type")
}
}
func TestGetFileContents(t *testing.T) {
type testData struct {
contents string