1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
#!/usr/bin/env bats
load helpers
@test "delete-layer" {
# Create a layer.
run storage --debug=false create-layer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Create a random file in the layer.
createrandom "$lowermount"/layer1file1
# Unmount the layer.
storage unmount $lowerlayer
# Create a second layer based on the first one.
run storage --debug=false create-layer "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
midlayer="$output"
# Mount the second layer.
run storage --debug=false mount $midlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
midmount="$output"
# Make sure the file from the first layer is present in this layer, then remove it.
test -s "$midmount"/layer1file1
rm -f -v "$midmount"/layer1file1
# Create a new file in this layer.
createrandom "$midmount"/layer2file1
# Unmount the second layer.
storage unmount $midlayer
# Create a third layer based on the second one.
run storage --debug=false create-layer "$midlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
# Mount the third layer.
run storage --debug=false mount $upperlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
uppermount="$output"
# Make sure the file from the second layer is present in this layer,
# and that the one from the first didn't come back somehow..
test -s "$uppermount"/layer2file1
run test -s "$uppermount"/layer1file1
[ "$status" -ne 0 ]
# Unmount the third layer.
storage unmount $upperlayer
# Try to delete the first layer, which should fail because it has children.
run storage delete-layer $lowerlayer
[ "$status" -ne 0 ]
# Try to delete the second layer, which should fail because it has children.
run storage delete-layer $midlayer
[ "$status" -ne 0 ]
# Try to delete the third layer, which should succeed because it has no children.
storage delete-layer $upperlayer
# Try to delete the second again, and it should succeed because that child is gone.
storage delete-layer $midlayer
# Try to delete the first again, and it should succeed because that child is gone.
storage delete-layer $lowerlayer
}
@test "delete-layer-with-mappings" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
run storage --debug=false create-layer -r
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
run storage --debug=false create-layer -r --uidmap 0:100:100000 --gidmap 0:100:100000 $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer2="$output"
run storage --debug=false create-layer -r --uidmap 0:200:100000 --gidmap 0:200:100000 $lowerlayer2
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
# Expect an error as both lower layers are referenced
run storage --debug=false delete-layer $lowerlayer2
[ "$status" -ne 0 ]
run storage --debug=false delete-layer $lowerlayer
[ "$status" -ne 0 ]
run storage --debug=false delete-layer $upperlayer
[ "$status" -eq 0 ]
run storage --debug=false delete-layer $lowerlayer2
[ "$status" -eq 0 ]
run storage --debug=false create-image $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
image="$output"
# The layer is referenced by the image, it cannot be deleted
run storage --debug=false delete-layer $upperlayer
[ "$status" -ne 0 ]
run storage --debug=false delete-image $image
[ "$status" -eq 0 ]
}
|
