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Add resize functions

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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-05-10 10:43:48 +02:00 • committed by Daniel Weiße
parent 2b80341d99
commit 6b3d45dd09
5 changed files with 298 additions and 137 deletions
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22
mount/test/mount_integration_test.go
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@ -29,9 +29,13 @@ func teardown() {
exec.Command("/bin/rm", "-f", DevicePath).Run()
}
func resize() {
exec.Command("/bin/dd", "if=/dev/zero", fmt.Sprintf("of=%s", DevicePath), "bs=32M", "count=1", "oflag=append", "conv=notrunc").Run()
}
func TestMain(m *testing.M) {
if os.Getuid() != 0 {
fmt.Printf("This test suite requires root privileges, as libcrypsetup uses the kernel's device mapper.\n")
fmt.Printf("This test suite requires root privileges, as libcryptsetup uses the kernel's device mapper.\n")
os.Exit(1)
}
@ -53,7 +57,7 @@ func TestOpenAndClose(t *testing.T) {
newPath, err := mapper.OpenCryptDevice(context.Background(), DevicePath, DeviceName, false)
require.NoError(err)
assert.Equal(newPath, "/dev/mapper/"+DeviceName)
assert.Equal("/dev/mapper/"+DeviceName, newPath)
// assert crypt device got created
_, err = os.Stat(newPath)
@ -62,6 +66,13 @@ func TestOpenAndClose(t *testing.T) {
_, err = os.Stat(newPath + "_dif")
assert.True(os.IsNotExist(err))
// Resize the device
resize()
resizedPath, err := mapper.ResizeCryptDevice(context.Background(), DeviceName)
require.NoError(err)
assert.Equal("/dev/mapper/"+DeviceName, resizedPath)
assert.NoError(mapper.CloseCryptDevice(DeviceName))
// assert crypt device got removed
@ -80,7 +91,7 @@ func TestOpenAndCloseIntegrity(t *testing.T) {
newPath, err := mapper.OpenCryptDevice(context.Background(), DevicePath, DeviceName, true)
require.NoError(err)
assert.Equal(newPath, "/dev/mapper/"+DeviceName)
assert.Equal("/dev/mapper/"+DeviceName, newPath)
// assert crypt device got created
_, err = os.Stat(newPath)
@ -89,6 +100,11 @@ func TestOpenAndCloseIntegrity(t *testing.T) {
_, err = os.Stat(newPath + "_dif")
assert.NoError(err)
// integrity devices do not support resizing
resize()
_, err = mapper.ResizeCryptDevice(context.Background(), DeviceName)
assert.Error(err)
assert.NoError(mapper.CloseCryptDevice(DeviceName))
// assert crypt device got removed