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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
#!/usr/bin/env bats
load helpers
@test "podman mount - basic test" {
# Only works with root (FIXME: does it work with rootless + vfs?)
skip_if_rootless "mount does not work rootless"
skip_if_remote "mounting remote is meaningless"
f_path=/tmp/tmpfile_$(random_string 8)
f_content=$(random_string 30)
c_name=mount_test_$(random_string 5)
run_podman run --name $c_name $IMAGE \
sh -c "echo $f_content > $f_path"
run_podman mount $c_name
mount_path=$output
test -d $mount_path
test -e "$mount_path/$f_path"
is $(< "$mount_path/$f_path") "$f_content" "contents of file, as read via fs"
# Make sure that 'podman mount' (no args) returns the expected path
run_podman mount --notruncate
# FIXME: is it worth the effort to validate the CID ($1) ?
reported_mountpoint=$(echo "$output" | awk '{print $2}')
is $reported_mountpoint $mount_path "mountpoint reported by 'podman mount'"
# umount, and make sure files are gone
run_podman umount $c_name
if [ -e "$mount_path/$f_path" ]; then
die "Mounted file exists even after umount: $mount_path/$f_path"
fi
}
@test "podman image mount" {
skip_if_remote "mounting remote is meaningless"
skip_if_rootless "too hard to test rootless"
# Start with clean slate
run_podman image umount -a
# Get full image ID, to verify umount
run_podman image inspect --format '{{.ID}}' $IMAGE
iid="$output"
# Mount, and make sure the mount point exists
run_podman image mount $IMAGE
mount_path="$output"
test -d $mount_path
# Image is custom-built and has a file containing the YMD tag. Check it.
testimage_file="/home/podman/testimage-id"
test -e "$mount_path$testimage_file"
is $(< "$mount_path$testimage_file") "$PODMAN_TEST_IMAGE_TAG" \
"Contents of $testimage_file in image"
# 'image mount', no args, tells us what's mounted
run_podman image mount
is "$output" "$IMAGE *$mount_path" "podman image mount with no args"
# Clean up
run_podman image umount $IMAGE
is "$output" "$iid" "podman image umount: image ID of what was umounted"
run_podman image umount $IMAGE
is "$output" "" "podman image umount: does not re-umount"
run_podman 125 image umount no-such-container
is "$output" "Error: unable to find a name and tag match for no-such-container in repotags: no such image" \
"error message from image umount no-such-container"
run_podman image mount
is "$output" "" "podman image mount, no args, after umount"
}
@test "podman run --mount image" {
skip_if_rootless "too hard to test rootless"
# Run a container with an image mount
run_podman run --rm --mount type=image,src=$IMAGE,dst=/image-mount $IMAGE diff /etc/os-release /image-mount/etc/os-release
# Make sure the mount is read only
run_podman 1 run --rm --mount type=image,src=$IMAGE,dst=/image-mount $IMAGE touch /image-mount/read-only
is "$output" "touch: /image-mount/read-only: Read-only file system"
# Make sure that rw,readwrite work
run_podman run --rm --mount type=image,src=$IMAGE,dst=/image-mount,rw=true $IMAGE touch /image-mount/readwrite
run_podman run --rm --mount type=image,src=$IMAGE,dst=/image-mount,readwrite=true $IMAGE touch /image-mount/readwrite
skip_if_remote "mounting remote is meaningless"
# The mount should be cleaned up during container removal as no other entity mounted the image
run_podman image umount $IMAGE
is "$output" "" "image mount should have been cleaned up during container removal"
# Now make sure that the image mount is not cleaned up during container removal when another entity mounted the image
run_podman image mount $IMAGE
run_podman run --rm --mount type=image,src=$IMAGE,dst=/image-mount $IMAGE diff /etc/os-release /image-mount/etc/os-release
run_podman image inspect --format '{{.ID}}' $IMAGE
iid="$output"
run_podman image umount $IMAGE
is "$output" "$iid" "podman image umount: image ID of what was umounted"
run_podman image umount $IMAGE
is "$output" "" "image mount should have been cleaned up via 'image umount'"
# Run a container in the background (source is the ID instead of name)
run_podman run -d --mount type=image,src=$iid,dst=/image-mount,readwrite=true $IMAGE sleep infinity
cid="$output"
# Unmount the image
run_podman image umount $IMAGE
is "$output" "$iid" "podman image umount: image ID of what was umounted"
run_podman image umount $IMAGE
is "$output" "" "image mount should have been cleaned up via 'image umount'"
# Make sure that the mount in the container is unaffected
run_podman exec $cid diff /etc/os-release /image-mount/etc/os-release
run_podman exec $cid find /image-mount/etc/
# Clean up
run_podman rm -f $cid
}
@test "podman run --mount image inspection" {
skip_if_rootless "too hard to test rootless"
# Run a container in the background
run_podman run -d --mount type=image,src=$IMAGE,dst=/image-mount,rw=true $IMAGE sleep infinity
cid="$output"
run_podman inspect --format "{{(index .Mounts 0).Type}}" $cid
is "$output" "image" "inspect data includes image mount type"
run_podman inspect --format "{{(index .Mounts 0).Source}}" $cid
is "$output" "$IMAGE" "inspect data includes image mount source"
run_podman inspect --format "{{(index .Mounts 0).Destination}}" $cid
is "$output" "/image-mount" "inspect data includes image mount source"
run_podman inspect --format "{{(index .Mounts 0).RW}}" $cid
is "$output" "true" "inspect data includes image mount source"
run_podman rm -f $cid
}
# vim: filetype=sh
|
