Fix TestStubBlockDevices_Isolated

Since Firecracker 0.20.0 can report the size of a special block device
correctly, the size of the block device from devmapper snapshotter
won't be zero.

Signed-off-by: Kazuyoshi Kato <[email protected]>

Author: kzys

runtime/service_integ_test.go

@@ -676,11 +676,11 @@ func TestStubBlockDevices_Isolated(t *testing.T) {
 		}
 
 		const expectedOutput = `
-vdb  254:16   0        0B  0 | 
-vdc  254:32   0      512B  0 |  214 244 216 245 215 177 177 177
-vdd  254:48   0      512B  0 |  214 244 216 245 215 177 177 177
-vde  254:64   0      512B  0 |  214 244 216 245 215 177 177 177
-vdf  254:80   0      512B  0 |  214 244 216 245 215 177 177 177`
+vdb  254:16   0 1073741824B  0 | 
+vdc  254:32   0        512B  0 |  214 244 216 245 215 177 177 177
+vdd  254:48   0        512B  0 |  214 244 216 245 215 177 177 177
+vde  254:64   0        512B  0 |  214 244 216 245 215 177 177 177
+vdf  254:80   0        512B  0 |  214 244 216 245 215 177 177 177`
 
 		parts := strings.Split(stdout.String(), "vdb")
 		require.Equal(t, strings.TrimSpace(expectedOutput), strings.TrimSpace("vdb"+parts[1]))

tools/docker/scripts/lsblk.sh

@@ -22,7 +22,7 @@ do
     # https://github.com/firecracker-microvm/firecracker-containerd/blob/2578f3df9d899aa48decb39c9f7f23fa41635ede/internal/common.go#L67
     magic=$(head -c 8 /dev/$name | od -A n -t u1)
 
-    printf "%-4s %-7s %2d %8dB %2d | %s\n" \
+    printf "%-4s %-7s %2d %10dB %2d | %s\n" \
 	   "$name" \
 	   $(cat /sys/block/$name/dev) \
 	   $(cat /sys/block/$name/removable) \