summaryrefslogtreecommitdiff
path: root/test/e2e/common_test.go
blob: 953e14f84aafd55297c28b914bdba7d410bd6b0a (plain)
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
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
package integration

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"sort"
	"strings"
	"testing"
	"time"

	"github.com/containers/libpod/cmd/podman/shared"
	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/pkg/inspect"
	"github.com/containers/libpod/pkg/rootless"
	. "github.com/containers/libpod/test/utils"
	"github.com/containers/storage"
	"github.com/containers/storage/pkg/reexec"
	"github.com/containers/storage/pkg/stringid"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gexec"
	"github.com/pkg/errors"
)

var (
	PODMAN_BINARY      string
	CONMON_BINARY      string
	CNI_CONFIG_DIR     string
	RUNC_BINARY        string
	INTEGRATION_ROOT   string
	CGROUP_MANAGER     = "systemd"
	ARTIFACT_DIR       = "/tmp/.artifacts"
	RESTORE_IMAGES     = []string{ALPINE, BB}
	defaultWaitTimeout = 90
)

// PodmanTestIntegration struct for command line options
type PodmanTestIntegration struct {
	PodmanTest
	ConmonBinary        string
	CrioRoot            string
	CNIConfigDir        string
	OCIRuntime          string
	RunRoot             string
	StorageOptions      string
	SignaturePolicyPath string
	CgroupManager       string
	Host                HostOS
	Timings             []string
	TmpDir              string
}

var LockTmpDir string

// PodmanSessionIntegration sturct for command line session
type PodmanSessionIntegration struct {
	*PodmanSession
}

type testResult struct {
	name   string
	length float64
}

type testResultsSorted []testResult

func (a testResultsSorted) Len() int      { return len(a) }
func (a testResultsSorted) Swap(i, j int) { a[i], a[j] = a[j], a[i] }

type testResultsSortedLength struct{ testResultsSorted }

func (a testResultsSorted) Less(i, j int) bool { return a[i].length < a[j].length }

var testResults []testResult

// TestLibpod ginkgo master function
func TestLibpod(t *testing.T) {
	if reexec.Init() {
		os.Exit(1)
	}
	if os.Getenv("NOCACHE") == "1" {
		CACHE_IMAGES = []string{}
		RESTORE_IMAGES = []string{}
	}
	RegisterFailHandler(Fail)
	RunSpecs(t, "Libpod Suite")
}

var _ = SynchronizedBeforeSuite(func() []byte {
	// Cache images
	cwd, _ := os.Getwd()
	INTEGRATION_ROOT = filepath.Join(cwd, "../../")
	podman := PodmanTestCreate("/tmp")
	podman.ArtifactPath = ARTIFACT_DIR
	if _, err := os.Stat(ARTIFACT_DIR); os.IsNotExist(err) {
		if err = os.Mkdir(ARTIFACT_DIR, 0777); err != nil {
			fmt.Printf("%q\n", err)
			os.Exit(1)
		}
	}

	// make cache dir
	if err := os.MkdirAll(ImageCacheDir, 0777); err != nil {
		fmt.Printf("%q\n", err)
		os.Exit(1)
	}

	for _, image := range CACHE_IMAGES {
		if err := podman.CreateArtifact(image); err != nil {
			fmt.Printf("%q\n", err)
			os.Exit(1)
		}
	}

	// If running localized tests, the cache dir is created and populated. if the
	// tests are remote, this is a no-op
	populateCache(podman)

	host := GetHostDistributionInfo()
	if host.Distribution == "rhel" && strings.HasPrefix(host.Version, "7") {
		f, err := os.OpenFile("/proc/sys/user/max_user_namespaces", os.O_WRONLY, 0644)
		if err != nil {
			fmt.Println("Unable to enable userspace on RHEL 7")
			os.Exit(1)
		}
		_, err = f.WriteString("15000")
		if err != nil {
			fmt.Println("Unable to enable userspace on RHEL 7")
			os.Exit(1)
		}
		f.Close()
	}
	path, err := ioutil.TempDir("", "libpodlock")
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
	return []byte(path)
}, func(data []byte) {
	LockTmpDir = string(data)
})

func (p *PodmanTestIntegration) Setup() {
	cwd, _ := os.Getwd()
	INTEGRATION_ROOT = filepath.Join(cwd, "../../")
	p.ArtifactPath = ARTIFACT_DIR
}

var _ = SynchronizedAfterSuite(func() {},
	func() {
		sort.Sort(testResultsSortedLength{testResults})
		fmt.Println("integration timing results")
		for _, result := range testResults {
			fmt.Printf("%s\t\t%f\n", result.name, result.length)
		}

		// previous crio-run
		tempdir, err := CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest := PodmanTestCreate(tempdir)

		if err := os.RemoveAll(podmanTest.CrioRoot); err != nil {
			fmt.Printf("%q\n", err)
		}

		// for localized tests, this removes the image cache dir and for remote tests
		// this is a no-op
		removeCache()
	})

// PodmanTestCreate creates a PodmanTestIntegration instance for the tests
func PodmanTestCreateUtil(tempDir string, remote bool) *PodmanTestIntegration {
	var (
		podmanRemoteBinary string
	)

	host := GetHostDistributionInfo()
	cwd, _ := os.Getwd()

	podmanBinary := filepath.Join(cwd, "../../bin/podman")
	if os.Getenv("PODMAN_BINARY") != "" {
		podmanBinary = os.Getenv("PODMAN_BINARY")
	}

	if remote {
		podmanRemoteBinary = filepath.Join(cwd, "../../bin/podman-remote")
		if os.Getenv("PODMAN_REMOTE_BINARY") != "" {
			podmanRemoteBinary = os.Getenv("PODMAN_REMOTE_BINARY")
		}
	}
	conmonBinary := filepath.Join("/usr/libexec/podman/conmon")
	altConmonBinary := "/usr/libexec/crio/conmon"
	if _, err := os.Stat(conmonBinary); os.IsNotExist(err) {
		conmonBinary = altConmonBinary
	}
	if os.Getenv("CONMON_BINARY") != "" {
		conmonBinary = os.Getenv("CONMON_BINARY")
	}
	storageOptions := STORAGE_OPTIONS
	if os.Getenv("STORAGE_OPTIONS") != "" {
		storageOptions = os.Getenv("STORAGE_OPTIONS")
	}

	cgroupManager := CGROUP_MANAGER
	if rootless.IsRootless() {
		cgroupManager = "cgroupfs"
	}
	if os.Getenv("CGROUP_MANAGER") != "" {
		cgroupManager = os.Getenv("CGROUP_MANAGER")
	}

	// Ubuntu doesn't use systemd cgroups
	if host.Distribution == "ubuntu" {
		cgroupManager = "cgroupfs"
	}

	ociRuntime := os.Getenv("OCI_RUNTIME")
	if ociRuntime == "" {
		var err error
		ociRuntime, err = exec.LookPath("runc")
		// If we cannot find the runc binary, setting to something static as we have no way
		// to return an error.  The tests will fail and point out that the runc binary could
		// not be found nicely.
		if err != nil {
			ociRuntime = "/usr/bin/runc"
		}
	}
	os.Setenv("DISABLE_HC_SYSTEMD", "true")
	CNIConfigDir := "/etc/cni/net.d"

	storageFs := STORAGE_FS
	if rootless.IsRootless() {
		storageFs = ROOTLESS_STORAGE_FS
	}
	p := &PodmanTestIntegration{
		PodmanTest: PodmanTest{
			PodmanBinary:  podmanBinary,
			ArtifactPath:  ARTIFACT_DIR,
			TempDir:       tempDir,
			RemoteTest:    remote,
			ImageCacheFS:  storageFs,
			ImageCacheDir: ImageCacheDir,
		},
		ConmonBinary:        conmonBinary,
		CrioRoot:            filepath.Join(tempDir, "crio"),
		TmpDir:              tempDir,
		CNIConfigDir:        CNIConfigDir,
		OCIRuntime:          ociRuntime,
		RunRoot:             filepath.Join(tempDir, "crio-run"),
		StorageOptions:      storageOptions,
		SignaturePolicyPath: filepath.Join(INTEGRATION_ROOT, "test/policy.json"),
		CgroupManager:       cgroupManager,
		Host:                host,
	}
	if remote {
		p.PodmanTest.RemotePodmanBinary = podmanRemoteBinary
		uuid := stringid.GenerateNonCryptoID()
		if !rootless.IsRootless() {
			p.VarlinkEndpoint = fmt.Sprintf("unix:/run/podman/io.podman-%s", uuid)
		} else {
			runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
			socket := fmt.Sprintf("io.podman-%s", uuid)
			fqpath := filepath.Join(runtimeDir, socket)
			p.VarlinkEndpoint = fmt.Sprintf("unix:%s", fqpath)
		}
	}

	// Setup registries.conf ENV variable
	p.setDefaultRegistriesConfigEnv()
	// Rewrite the PodmanAsUser function
	p.PodmanMakeOptions = p.makeOptions
	return p
}

// RestoreAllArtifacts unpacks all cached images
func (p *PodmanTestIntegration) RestoreAllArtifacts() error {
	if os.Getenv("NO_TEST_CACHE") != "" {
		return nil
	}
	for _, image := range RESTORE_IMAGES {
		if err := p.RestoreArtifact(image); err != nil {
			return err
		}
	}
	return nil
}

// CreateArtifact creates a cached image in the artifact dir
func (p *PodmanTestIntegration) CreateArtifact(image string) error {
	if os.Getenv("NO_TEST_CACHE") != "" {
		return nil
	}
	fmt.Printf("Caching %s...", image)
	dest := strings.Split(image, "/")
	destName := fmt.Sprintf("/tmp/%s.tar", strings.Replace(strings.Join(strings.Split(dest[len(dest)-1], "/"), ""), ":", "-", -1))
	if _, err := os.Stat(destName); os.IsNotExist(err) {
		pull := p.PodmanNoCache([]string{"pull", image})
		pull.Wait(90)

		save := p.PodmanNoCache([]string{"save", "-o", destName, image})
		save.Wait(90)
		fmt.Printf("\n")
	} else {
		fmt.Printf(" already exists.\n")
	}
	return nil
}

// InspectImageJSON takes the session output of an inspect
// image and returns json
func (s *PodmanSessionIntegration) InspectImageJSON() []inspect.ImageData {
	var i []inspect.ImageData
	err := json.Unmarshal(s.Out.Contents(), &i)
	Expect(err).To(BeNil())
	return i
}

// InspectContainer returns a container's inspect data in JSON format
func (p *PodmanTestIntegration) InspectContainer(name string) []shared.InspectContainer {
	cmd := []string{"inspect", name}
	session := p.Podman(cmd)
	session.WaitWithDefaultTimeout()
	return session.InspectContainerToJSON()
}

func processTestResult(f GinkgoTestDescription) {
	tr := testResult{length: f.Duration.Seconds(), name: f.TestText}
	testResults = append(testResults, tr)
}

func GetPortLock(port string) storage.Locker {
	lockFile := filepath.Join(LockTmpDir, port)
	lock, err := storage.GetLockfile(lockFile)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
	lock.Lock()
	return lock
}

// RunTopContainer runs a simple container in the background that
// runs top.  If the name passed != "", it will have a name
func (p *PodmanTestIntegration) RunTopContainer(name string) *PodmanSessionIntegration {
	var podmanArgs = []string{"run"}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
	return p.Podman(podmanArgs)
}

// RunLsContainer runs a simple container in the background that
// simply runs ls. If the name passed != "", it will have a name
func (p *PodmanTestIntegration) RunLsContainer(name string) (*PodmanSessionIntegration, int, string) {
	var podmanArgs = []string{"run"}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-d", ALPINE, "ls")
	session := p.Podman(podmanArgs)
	session.WaitWithDefaultTimeout()
	return session, session.ExitCode(), session.OutputToString()
}

// RunNginxWithHealthCheck runs the alpine nginx container with an optional name and adds a healthcheck into it
func (p *PodmanTestIntegration) RunNginxWithHealthCheck(name string) (*PodmanSessionIntegration, string) {
	var podmanArgs = []string{"run"}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-dt", "-P", "--healthcheck-command", "CMD-SHELL curl http://localhost/", nginx)
	session := p.Podman(podmanArgs)
	session.WaitWithDefaultTimeout()
	return session, session.OutputToString()
}

func (p *PodmanTestIntegration) RunLsContainerInPod(name, pod string) (*PodmanSessionIntegration, int, string) {
	var podmanArgs = []string{"run", "--pod", pod}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-d", ALPINE, "ls")
	session := p.Podman(podmanArgs)
	session.WaitWithDefaultTimeout()
	return session, session.ExitCode(), session.OutputToString()
}

// BuildImage uses podman build and buildah to build an image
// called imageName based on a string dockerfile
func (p *PodmanTestIntegration) BuildImage(dockerfile, imageName string, layers string) {
	dockerfilePath := filepath.Join(p.TempDir, "Dockerfile")
	err := ioutil.WriteFile(dockerfilePath, []byte(dockerfile), 0755)
	Expect(err).To(BeNil())
	session := p.PodmanNoCache([]string{"build", "--layers=" + layers, "-t", imageName, "--file", dockerfilePath, p.TempDir})
	session.Wait(120)
	Expect(session.ExitCode()).To(Equal(0))
}

// PodmanPID execs podman and returns its PID
func (p *PodmanTestIntegration) PodmanPID(args []string) (*PodmanSessionIntegration, int) {
	podmanOptions := p.MakeOptions(args, false)
	fmt.Printf("Running: %s %s\n", p.PodmanBinary, strings.Join(podmanOptions, " "))
	command := exec.Command(p.PodmanBinary, podmanOptions...)
	session, err := gexec.Start(command, GinkgoWriter, GinkgoWriter)
	if err != nil {
		Fail(fmt.Sprintf("unable to run podman command: %s", strings.Join(podmanOptions, " ")))
	}
	podmanSession := &PodmanSession{session}
	return &PodmanSessionIntegration{podmanSession}, command.Process.Pid
}

// Cleanup cleans up the temporary store
func (p *PodmanTestIntegration) Cleanup() {
	// Remove all containers
	stopall := p.Podman([]string{"stop", "-a", "--timeout", "0"})
	stopall.Wait(90)

	podstop := p.Podman([]string{"pod", "stop", "-a", "-t", "0"})
	podstop.WaitWithDefaultTimeout()
	podrm := p.Podman([]string{"pod", "rm", "-fa"})
	podrm.WaitWithDefaultTimeout()

	session := p.Podman([]string{"rm", "-fa"})
	session.Wait(90)

	p.StopVarlink()
	// Nuke tempdir
	if err := os.RemoveAll(p.TempDir); err != nil {
		fmt.Printf("%q\n", err)
	}

	// Clean up the registries configuration file ENV variable set in Create
	resetRegistriesConfigEnv()
}

// CleanupPod cleans up the temporary store
func (p *PodmanTestIntegration) CleanupPod() {
	// Remove all containers
	session := p.Podman([]string{"pod", "rm", "-fa"})
	session.Wait(90)
	// Nuke tempdir
	if err := os.RemoveAll(p.TempDir); err != nil {
		fmt.Printf("%q\n", err)
	}
}

// CleanupVolume cleans up the temporary store
func (p *PodmanTestIntegration) CleanupVolume() {
	// Remove all containers
	session := p.Podman([]string{"volume", "rm", "-fa"})
	session.Wait(90)
	// Nuke tempdir
	if err := os.RemoveAll(p.TempDir); err != nil {
		fmt.Printf("%q\n", err)
	}
}

// PullImages pulls multiple images
func (p *PodmanTestIntegration) PullImages(images []string) error {
	for _, i := range images {
		p.PullImage(i)
	}
	return nil
}

// PullImage pulls a single image
// TODO should the timeout be configurable?
func (p *PodmanTestIntegration) PullImage(image string) error {
	session := p.PodmanNoCache([]string{"pull", image})
	session.Wait(60)
	Expect(session.ExitCode()).To(Equal(0))
	return nil
}

// InspectContainerToJSON takes the session output of an inspect
// container and returns json
func (s *PodmanSessionIntegration) InspectContainerToJSON() []shared.InspectContainer {
	var i []shared.InspectContainer
	err := json.Unmarshal(s.Out.Contents(), &i)
	Expect(err).To(BeNil())
	return i
}

// InspectPodToJSON takes the sessions output from a pod inspect and returns json
func (s *PodmanSessionIntegration) InspectPodToJSON() libpod.PodInspect {
	var i libpod.PodInspect
	err := json.Unmarshal(s.Out.Contents(), &i)
	Expect(err).To(BeNil())
	return i
}

// CreatePod creates a pod with no infra container
// it optionally takes a pod name
func (p *PodmanTestIntegration) CreatePod(name string) (*PodmanSessionIntegration, int, string) {
	var podmanArgs = []string{"pod", "create", "--infra=false", "--share", ""}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	session := p.Podman(podmanArgs)
	session.WaitWithDefaultTimeout()
	return session, session.ExitCode(), session.OutputToString()
}

func (p *PodmanTestIntegration) RunTopContainerInPod(name, pod string) *PodmanSessionIntegration {
	var podmanArgs = []string{"run", "--pod", pod}
	if name != "" {
		podmanArgs = append(podmanArgs, "--name", name)
	}
	podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
	return p.Podman(podmanArgs)
}

func (p *PodmanTestIntegration) ImageExistsInMainStore(idOrName string) bool {
	results := p.PodmanNoCache([]string{"image", "exists", idOrName})
	results.WaitWithDefaultTimeout()
	return Expect(results.ExitCode()).To(Equal(0))
}

func (p *PodmanTestIntegration) RunHealthCheck(cid string) error {
	for i := 0; i < 10; i++ {
		hc := p.Podman([]string{"healthcheck", "run", cid})
		hc.WaitWithDefaultTimeout()
		if hc.ExitCode() == 0 {
			return nil
		}
		fmt.Printf("Waiting for %s to pass healthcheck\n", cid)
		time.Sleep(1 * time.Second)
	}
	return errors.Errorf("unable to detect %s as running", cid)
}