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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
// Copyright (c) 2018-2022, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package sources_test
import (
"context"
"io"
"log"
"net/http"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/sylabs/singularity/v4/internal/pkg/build/sources"
"github.com/sylabs/singularity/v4/internal/pkg/cache"
testCache "github.com/sylabs/singularity/v4/internal/pkg/test/tool/cache"
"github.com/sylabs/singularity/v4/pkg/build/types"
useragent "github.com/sylabs/singularity/v4/pkg/util/user-agent"
)
const (
dockerURI = "docker://alpine"
dockerArchiveURI = "https://s3.amazonaws.com/singularity-ci-public/alpine-docker-save.tar"
ociArchiveURI = "https://s3.amazonaws.com/singularity-ci-public/alpine-oci-archive.tar"
dockerDaemonImage = "alpine:latest"
)
func TestMain(m *testing.M) {
useragent.InitValue("singularity", "3.0.0-alpha.1-303-gaed8d30-dirty")
os.Exit(m.Run())
}
func setupCache(t *testing.T) (*cache.Handle, func()) {
dir := testCache.MakeDir(t, "")
h, err := cache.New(cache.Config{ParentDir: dir})
if err != nil {
testCache.DeleteDir(t, dir)
t.Fatalf("failed to create an image cache handle: %s", err)
}
return h, func() { testCache.DeleteDir(t, dir) }
}
// TestOCIConveyorDocker tests if we can pull an alpine image from dockerhub
func TestOCIConveyorDocker(t *testing.T) {
if testing.Short() {
t.SkipNow()
}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
t.Fatalf("failed to create new bundle: %s", err)
}
b.Recipe, err = types.NewDefinitionFromURI(dockerURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", dockerURI, err)
}
b.Opts.ImgCache = imgCache
cp := &sources.OCIConveyorPacker{}
err = cp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer cp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", dockerURI, err)
}
}
// TestOCIConveyorDockerArchive tests if we can use a docker save archive
// as a source
func TestOCIConveyorDockerArchive(t *testing.T) {
if testing.Short() {
t.SkipNow()
}
archive, err := getTestTar(dockerArchiveURI)
if err != nil {
t.Fatalf("Could not download docker archive test file: %v", err)
}
defer os.Remove(archive)
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
return
}
archiveURI := "docker-archive:" + archive
b.Recipe, err = types.NewDefinitionFromURI(archiveURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", archiveURI, err)
}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b.Opts.ImgCache = imgCache
cp := &sources.OCIConveyorPacker{}
err = cp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer cp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", archiveURI, err)
}
}
// TestOCIConveyerDockerDaemon tests if we can use an oci laytout dir
// as a source
func TestOCIConveyorDockerDaemon(t *testing.T) {
if testing.Short() {
t.SkipNow()
}
cmd := exec.Command("docker", "ps")
err := cmd.Run()
if err != nil {
t.Logf("docker not available - skipping docker-daemon test")
return
}
cmd = exec.Command("docker", "pull", dockerDaemonImage)
err = cmd.Run()
if err != nil {
t.Fatalf("could not docker pull alpine:latest %v", err)
return
}
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
return
}
daemonURI := "docker-daemon:" + dockerDaemonImage
b.Recipe, err = types.NewDefinitionFromURI(daemonURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", daemonURI, err)
}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b.Opts.ImgCache = imgCache
cp := &sources.OCIConveyorPacker{}
err = cp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer cp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", daemonURI, err)
}
}
// TestOCIConveyorOCIArchive tests if we can use an oci archive
// as a source
func TestOCIConveyorOCIArchive(t *testing.T) {
archive, err := getTestTar(ociArchiveURI)
if err != nil {
t.Fatalf("Could not download oci archive test file: %v", err)
}
defer os.Remove(archive)
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
return
}
archiveURI := "oci-archive:" + archive
b.Recipe, err = types.NewDefinitionFromURI(archiveURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", archiveURI, err)
}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b.Opts.ImgCache = imgCache
cp := &sources.OCIConveyorPacker{}
err = cp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer cp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", archiveURI, err)
}
}
// TestOCIConveyerOCILayout tests if we can use an oci layout dir
// as a source
func TestOCIConveyorOCILayout(t *testing.T) {
archive, err := getTestTar(ociArchiveURI)
if err != nil {
t.Fatalf("Could not download oci archive test file: %v", err)
}
defer os.Remove(archive)
// We need to extract the oci archive to a directory
// Don't want to implement untar routines here, so use system tar
dir := t.TempDir()
cmd := exec.Command("tar", "-C", dir, "-xf", archive)
err = cmd.Run()
if err != nil {
t.Fatalf("Error extracting oci archive to layout: %v", err)
}
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
return
}
layoutURI := "oci:" + dir
b.Recipe, err = types.NewDefinitionFromURI(layoutURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", layoutURI, err)
}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b.Opts.ImgCache = imgCache
cp := &sources.OCIConveyorPacker{}
err = cp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer cp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", layoutURI, err)
}
}
// TestOCIPacker checks if we can create a Kitchen
func TestOCIPacker(t *testing.T) {
if testing.Short() {
t.SkipNow()
}
b, err := types.NewBundle(filepath.Join(os.TempDir(), "sbuild-oci"), os.TempDir())
if err != nil {
return
}
b.Recipe, err = types.NewDefinitionFromURI(dockerURI)
if err != nil {
t.Fatalf("unable to parse URI %s: %v\n", dockerURI, err)
}
ocp := &sources.OCIConveyorPacker{}
// set a clean image cache
imgCache, cleanup := setupCache(t)
defer cleanup()
b.Opts.ImgCache = imgCache
err = ocp.Get(context.Background(), b)
// clean up tmpfs since assembler isn't called
defer ocp.CleanUp()
if err != nil {
t.Fatalf("failed to Get from %s: %v\n", dockerURI, err)
}
_, err = ocp.Pack(context.Background())
if err != nil {
t.Fatalf("failed to Pack from %s: %v\n", dockerURI, err)
}
}
func getTestTar(url string) (path string, err error) {
dl, err := os.CreateTemp("", "oci-test")
if err != nil {
log.Fatal(err)
}
defer dl.Close()
r, err := http.Get(url)
if err != nil {
return "", err
}
defer r.Body.Close()
_, err = io.Copy(dl, r.Body)
if err != nil {
return "", err
}
return dl.Name(), nil
}
|
