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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
#!/usr/bin/env bats -*- bats -*-
#
# Tests for 'podman cp'
#
# ASSUMPTION FOR ALL THESE TESTS: /tmp in the container starts off empty
#
load helpers
# Create two random-name random-content files in /tmp in the container
# podman-cp them into the host using '/tmp/*', i.e. asking podman to
# perform wildcard expansion in the container. We should get both
# files copied into the host.
@test "podman cp * - wildcard copy multiple files from container to host" {
skip_if_remote "podman-remote does not yet handle cp"
srcdir=$PODMAN_TMPDIR/cp-test-in
dstdir=$PODMAN_TMPDIR/cp-test-out
mkdir -p $srcdir $dstdir
rand_filename1=$(random_string 20)
rand_content1=$(random_string 50)
rand_filename2=$(random_string 20)
rand_content2=$(random_string 50)
run_podman run --name cpcontainer $IMAGE sh -c \
"echo $rand_content1 >/tmp/$rand_filename1;
echo $rand_content2 >/tmp/$rand_filename2"
# cp no longer supports wildcarding
run_podman 125 cp 'cpcontainer:/tmp/*' $dstdir
run_podman rm cpcontainer
}
# Create a file on the host; make a symlink in the container pointing
# into host-only space. Try to podman-cp that symlink. It should fail.
@test "podman cp - will not recognize symlink pointing into host space" {
skip_if_remote "podman-remote does not yet handle cp"
srcdir=$PODMAN_TMPDIR/cp-test-in
dstdir=$PODMAN_TMPDIR/cp-test-out
mkdir -p $srcdir $dstdir
echo "this file is on the host" >$srcdir/hostfile
run_podman run --name cpcontainer $IMAGE \
sh -c "ln -s $srcdir/hostfile /tmp/badlink"
# This should fail because, from the container's perspective, the symlink
# points to a nonexistent file
run_podman 125 cp 'cpcontainer:/tmp/*' $dstdir/
# FIXME: this might not be the exactly correct error message
is "$output" ".*error evaluating symlinks.*lstat.*no such file or dir" \
"Expected error from copying invalid symlink"
# make sure there are no files in dstdir
is "$(/bin/ls -1 $dstdir)" "" "incorrectly copied symlink from host"
run_podman rm cpcontainer
}
# Issue #3829 - like the above, but with a level of indirection in the
# wildcard expansion: create a file on the host; create a symlink in
# the container named 'file1' pointing to this file; then another symlink
# in the container pointing to 'file*' (file star). Try to podman-cp
# this invalid double symlink. It must fail.
@test "podman cp - will not expand globs in host space (#3829)" {
skip_if_remote "podman-remote does not yet handle cp"
srcdir=$PODMAN_TMPDIR/cp-test-in
dstdir=$PODMAN_TMPDIR/cp-test-out
mkdir -p $srcdir $dstdir
echo "This file is on the host" > $srcdir/hostfile
run_podman run --name cpcontainer $IMAGE \
sh -c "ln -s $srcdir/hostfile file1;ln -s file\* copyme"
run_podman 125 cp cpcontainer:copyme $dstdir
is "$output" ".*error evaluating symlinks.*lstat.*no such file or dir" \
"Expected error from copying invalid symlink"
# make sure there are no files in dstdir
is "$(/bin/ls -1 $dstdir)" "" "incorrectly copied symlink from host"
run_podman rm cpcontainer
}
# Another symlink into host space, this one named '*' (star). cp should fail.
@test "podman cp - will not expand wildcard" {
skip_if_remote "podman-remote does not yet handle cp"
srcdir=$PODMAN_TMPDIR/cp-test-in
dstdir=$PODMAN_TMPDIR/cp-test-out
mkdir -p $srcdir $dstdir
echo "This file lives on the host" > $srcdir/hostfile
run_podman run --name cpcontainer $IMAGE \
sh -c "ln -s $srcdir/hostfile /tmp/\*"
run_podman 125 cp 'cpcontainer:/tmp/*' $dstdir
is "$output" ".*error evaluating symlinks.*lstat.*no such file or dir" \
"Expected error from copying invalid symlink"
# dstdir must be empty
is "$(/bin/ls -1 $dstdir)" "" "incorrectly copied symlink from host"
run_podman rm cpcontainer
}
###############################################################################
# cp INTO container
# THIS IS EXTREMELY WEIRD. Podman expands symlinks in weird ways.
@test "podman cp into container: weird symlink expansion" {
skip_if_remote "podman-remote does not yet handle cp"
srcdir=$PODMAN_TMPDIR/cp-test-in
dstdir=$PODMAN_TMPDIR/cp-test-out
mkdir -p $srcdir $dstdir
rand_filename1=$(random_string 20)
rand_content1=$(random_string 50)
echo $rand_content1 > $srcdir/$rand_filename1
rand_filename2=$(random_string 20)
rand_content2=$(random_string 50)
echo $rand_content2 > $srcdir/$rand_filename2
rand_filename3=$(random_string 20)
rand_content3=$(random_string 50)
echo $rand_content3 > $srcdir/$rand_filename3
# Create tmp subdirectories in container, most with an invalid 'x' symlink
# Keep container running so we can exec into it.
run_podman run -d --name cpcontainer $IMAGE \
sh -c "mkdir /tmp/d1;ln -s /tmp/nonesuch1 /tmp/d1/x;
mkdir /tmp/d2;ln -s /tmp/nonesuch2 /tmp/d2/x;
mkdir /tmp/d3;
trap 'exit 0' 15;while :;do sleep 0.5;done"
# Copy file from host into container, into a file named 'x'
# Note that the second has a trailing slash, implying a directory.
# Since that destination directory doesn't exist, the cp will fail
run_podman cp --pause=false $srcdir/$rand_filename1 cpcontainer:/tmp/d1/x
is "$output" "" "output from podman cp 1"
run_podman 125 cp --pause=false $srcdir/$rand_filename2 cpcontainer:/tmp/d2/x/
is "$output" "Error: failed to get stat of dest path .*stat.* no such file or directory" "cp will not create nonexistent destination directory"
run_podman cp --pause=false $srcdir/$rand_filename3 cpcontainer:/tmp/d3/x
is "$output" "" "output from podman cp 3"
# Read back.
# In the first case, podman actually creates the file nonesuch1 (i.e.
# podman expands 'x -> nonesuch1' and, instead of overwriting x,
# creates an actual file).
run_podman exec cpcontainer cat /tmp/nonesuch1
is "$output" "$rand_content1" "cp creates destination file"
# cp into nonexistent directory should not mkdir nonesuch2 directory
run_podman 1 exec cpcontainer test -e /tmp/nonesuch2
# In the third case, podman (correctly imo) creates a file named 'x'
run_podman exec cpcontainer cat /tmp/d3/x
is "$output" "$rand_content3" "cp creates file named x"
run_podman rm -f cpcontainer
}
# rhbz1741718 : file copied into container:/var/lib/foo appears as /foo
# (docker only, never seems to have affected podman. Make sure it never does).
@test "podman cp into a subdirectory matching GraphRoot" {
skip_if_remote "podman-remote does not yet handle cp"
# Create tempfile with random name and content
srcdir=$PODMAN_TMPDIR/cp-test-in
mkdir -p $srcdir
rand_filename=$(random_string 20)
rand_content=$(random_string 50)
echo $rand_content > $srcdir/$rand_filename
chmod 644 $srcdir/$rand_filename
# Determine path to podman storage (eg /var/lib/c/s, or $HOME/.local/...)
run_podman info --format '{{.Store.GraphRoot}}'
graphroot=$output
# Create that directory in the container, and sleep (to keep container
# running, so we can exec into it). The trap/while is so podman-rm will
# run quickly instead of taking 10 seconds.
run_podman run -d --name cpcontainer $IMAGE sh -c \
"mkdir -p $graphroot; trap 'exit 0' 15;while :;do sleep 0.5;done"
# Copy from host into container.
run_podman cp --pause=false $srcdir/$rand_filename cpcontainer:$graphroot/$rand_filename
# ls, and confirm it's there.
run_podman exec cpcontainer ls -l $graphroot/$rand_filename
is "$output" "-rw-r--r-- .* 1 .* root .* 51 .* $graphroot/$rand_filename" \
"File is copied into container in the correct (full) path"
# Confirm it has the expected content (this is unlikely to ever fail)
run_podman exec cpcontainer cat $graphroot/$rand_filename
is "$output" "$rand_content" "Contents of file copied into container"
run_podman rm -f cpcontainer
}
function teardown() {
# In case any test fails, clean up the container we left behind
run_podman rm -f cpcontainer
basic_teardown
}
# vim: filetype=sh
|
