summaryrefslogtreecommitdiff
path: root/pkg/adapter/pods.go
blob: e9f3d41a90118b53af9052cb83ec8b772ccb6635 (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
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
// +build !remoteclient

package adapter

import (
	"context"
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"strings"

	"github.com/containers/buildah/pkg/parse"
	"github.com/containers/image/v5/types"
	"github.com/containers/libpod/cmd/podman/cliconfig"
	"github.com/containers/libpod/cmd/podman/shared"
	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/libpod/define"
	"github.com/containers/libpod/libpod/image"
	"github.com/containers/libpod/pkg/adapter/shortcuts"
	ann "github.com/containers/libpod/pkg/annotations"
	ns "github.com/containers/libpod/pkg/namespaces"
	createconfig "github.com/containers/libpod/pkg/spec"
	"github.com/containers/libpod/pkg/util"
	"github.com/containers/storage"
	"github.com/cri-o/ocicni/pkg/ocicni"
	"github.com/ghodss/yaml"
	"github.com/pkg/errors"
	"github.com/sirupsen/logrus"
	v1 "k8s.io/api/core/v1"
)

const (
	// https://kubernetes.io/docs/concepts/storage/volumes/#hostpath
	createDirectoryPermission = 0755
	// https://kubernetes.io/docs/concepts/storage/volumes/#hostpath
	createFilePermission = 0644
)

// PodContainerStats is struct containing an adapter Pod and a libpod
// ContainerStats and is used primarily for outputting pod stats.
type PodContainerStats struct {
	Pod            *Pod
	ContainerStats map[string]*libpod.ContainerStats
}

// PrunePods removes pods
func (r *LocalRuntime) PrunePods(ctx context.Context, cli *cliconfig.PodPruneValues) ([]string, map[string]error, error) {
	var (
		ok       = []string{}
		failures = map[string]error{}
	)

	maxWorkers := shared.DefaultPoolSize("rm")
	if cli.GlobalIsSet("max-workers") {
		maxWorkers = cli.GlobalFlags.MaxWorks
	}
	logrus.Debugf("Setting maximum rm workers to %d", maxWorkers)

	states := []string{shared.PodStateStopped, shared.PodStateExited}
	if cli.Force {
		states = append(states, shared.PodStateRunning)
	}

	pods, err := r.GetPodsByStatus(states)
	if err != nil {
		return ok, failures, err
	}
	if len(pods) < 1 {
		return ok, failures, nil
	}

	pool := shared.NewPool("pod_prune", maxWorkers, len(pods))
	for _, p := range pods {
		p := p

		pool.Add(shared.Job{
			ID: p.ID(),
			Fn: func() error {
				err := r.Runtime.RemovePod(ctx, p, cli.Force, cli.Force)
				if err != nil {
					logrus.Debugf("Failed to remove pod %s: %s", p.ID(), err.Error())
				}
				return err
			},
		})
	}
	return pool.Run()
}

// RemovePods ...
func (r *LocalRuntime) RemovePods(ctx context.Context, cli *cliconfig.PodRmValues) ([]string, []error) {
	var (
		errs   []error
		podids []string
	)
	pods, err := shortcuts.GetPodsByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime)
	if err != nil && !(cli.Ignore && errors.Cause(err) == define.ErrNoSuchPod) {
		errs = append(errs, err)
		return nil, errs
	}

	for _, p := range pods {
		if err := r.Runtime.RemovePod(ctx, p, cli.Force, cli.Force); err != nil {
			errs = append(errs, err)
		} else {
			podids = append(podids, p.ID())
		}
	}
	return podids, errs
}

// GetLatestPod gets the latest pod and wraps it in an adapter pod
func (r *LocalRuntime) GetLatestPod() (*Pod, error) {
	pod := Pod{}
	p, err := r.Runtime.GetLatestPod()
	pod.Pod = p
	return &pod, err
}

// GetAllPods gets all pods and wraps it in an adapter pod
func (r *LocalRuntime) GetAllPods() ([]*Pod, error) {
	var pods []*Pod
	allPods, err := r.Runtime.GetAllPods()
	if err != nil {
		return nil, err
	}
	for _, p := range allPods {
		pod := Pod{}
		pod.Pod = p
		pods = append(pods, &pod)
	}
	return pods, nil
}

// LookupPod gets a pod by name or id and wraps it in an adapter pod
func (r *LocalRuntime) LookupPod(nameOrID string) (*Pod, error) {
	pod := Pod{}
	p, err := r.Runtime.LookupPod(nameOrID)
	pod.Pod = p
	return &pod, err
}

// StopPods is a wrapper to libpod to stop pods based on a cli context
func (r *LocalRuntime) StopPods(ctx context.Context, cli *cliconfig.PodStopValues) ([]string, []error) {
	timeout := -1
	if cli.Flags().Changed("timeout") {
		timeout = int(cli.Timeout)
	}
	var (
		errs   []error
		podids []string
	)
	pods, err := shortcuts.GetPodsByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime)
	if err != nil && !(cli.Ignore && errors.Cause(err) == define.ErrNoSuchPod) {
		errs = append(errs, err)
		return nil, errs
	}

	for _, p := range pods {
		stopped := true
		conErrs, stopErr := p.StopWithTimeout(ctx, true, timeout)
		if stopErr != nil {
			errs = append(errs, stopErr)
			stopped = false
		}
		if conErrs != nil {
			stopped = false
			for _, err := range conErrs {
				errs = append(errs, err)
			}
		}
		if stopped {
			podids = append(podids, p.ID())
		}
	}
	return podids, errs
}

// KillPods is a wrapper to libpod to start pods based on the cli context
func (r *LocalRuntime) KillPods(ctx context.Context, cli *cliconfig.PodKillValues, signal uint) ([]string, []error) {
	var (
		errs   []error
		podids []string
	)
	pods, err := shortcuts.GetPodsByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime)
	if err != nil {
		errs = append(errs, err)
		return nil, errs
	}
	for _, p := range pods {
		killed := true
		conErrs, killErr := p.Kill(signal)
		if killErr != nil {
			errs = append(errs, killErr)
			killed = false
		}
		if conErrs != nil {
			killed = false
			for _, err := range conErrs {
				errs = append(errs, err)
			}
		}
		if killed {
			podids = append(podids, p.ID())
		}
	}
	return podids, errs
}

// StartPods is a wrapper to start pods based on the cli context
func (r *LocalRuntime) StartPods(ctx context.Context, cli *cliconfig.PodStartValues) ([]string, []error) {
	var (
		errs   []error
		podids []string
	)
	pods, err := shortcuts.GetPodsByContext(cli.All, cli.Latest, cli.InputArgs, r.Runtime)
	if err != nil {
		errs = append(errs, err)
		return nil, errs
	}
	for _, p := range pods {
		started := true
		conErrs, startErr := p.Start(ctx)
		if startErr != nil {
			errs = append(errs, startErr)
			started = false
		}
		if conErrs != nil {
			started = false
			for _, err := range conErrs {
				errs = append(errs, err)
			}
		}
		if started {
			podids = append(podids, p.ID())
		}
	}
	return podids, errs
}

// CreatePod is a wrapper for libpod and creating a new pod from the cli context
func (r *LocalRuntime) CreatePod(ctx context.Context, cli *cliconfig.PodCreateValues, labels map[string]string) (string, error) {
	var (
		options []libpod.PodCreateOption
		err     error
	)

	if cli.Flag("cgroup-parent").Changed {
		options = append(options, libpod.WithPodCgroupParent(cli.CgroupParent))
	}

	if len(labels) != 0 {
		options = append(options, libpod.WithPodLabels(labels))
	}

	if cli.Flag("name").Changed {
		options = append(options, libpod.WithPodName(cli.Name))
	}

	if cli.Flag("hostname").Changed {
		options = append(options, libpod.WithPodHostname(cli.Hostname))
	}

	if cli.Infra {
		options = append(options, libpod.WithInfraContainer())
		nsOptions, err := shared.GetNamespaceOptions(strings.Split(cli.Share, ","))
		if err != nil {
			return "", err
		}
		options = append(options, nsOptions...)
	}

	if len(cli.Publish) > 0 {
		portBindings, err := shared.CreatePortBindings(cli.Publish)
		if err != nil {
			return "", err
		}
		options = append(options, libpod.WithInfraContainerPorts(portBindings))

	}
	// always have containers use pod cgroups
	// User Opt out is not yet supported
	options = append(options, libpod.WithPodCgroups())

	pod, err := r.NewPod(ctx, options...)
	if err != nil {
		return "", err
	}
	return pod.ID(), nil
}

// GetPodStatus is a wrapper to get the status of a local libpod pod
func (p *Pod) GetPodStatus() (string, error) {
	return shared.GetPodStatus(p.Pod)
}

// BatchContainerOp is a wrapper for the shared function of the same name
func BatchContainerOp(ctr *libpod.Container, opts shared.PsOptions) (shared.BatchContainerStruct, error) {
	return shared.BatchContainerOp(ctr, opts)
}

// PausePods is a wrapper for pausing pods via libpod
func (r *LocalRuntime) PausePods(c *cliconfig.PodPauseValues) ([]string, map[string]error, []error) {
	var (
		pauseIDs    []string
		pauseErrors []error
	)
	containerErrors := make(map[string]error)

	pods, err := shortcuts.GetPodsByContext(c.All, c.Latest, c.InputArgs, r.Runtime)
	if err != nil {
		pauseErrors = append(pauseErrors, err)
		return nil, containerErrors, pauseErrors
	}

	for _, pod := range pods {
		ctrErrs, err := pod.Pause()
		if err != nil {
			pauseErrors = append(pauseErrors, err)
			continue
		}
		if ctrErrs != nil {
			for ctr, err := range ctrErrs {
				containerErrors[ctr] = err
			}
			continue
		}
		pauseIDs = append(pauseIDs, pod.ID())

	}
	return pauseIDs, containerErrors, pauseErrors
}

// UnpausePods is a wrapper for unpausing pods via libpod
func (r *LocalRuntime) UnpausePods(c *cliconfig.PodUnpauseValues) ([]string, map[string]error, []error) {
	var (
		unpauseIDs    []string
		unpauseErrors []error
	)
	containerErrors := make(map[string]error)

	pods, err := shortcuts.GetPodsByContext(c.All, c.Latest, c.InputArgs, r.Runtime)
	if err != nil {
		unpauseErrors = append(unpauseErrors, err)
		return nil, containerErrors, unpauseErrors
	}

	for _, pod := range pods {
		ctrErrs, err := pod.Unpause()
		if err != nil {
			unpauseErrors = append(unpauseErrors, err)
			continue
		}
		if ctrErrs != nil {
			for ctr, err := range ctrErrs {
				containerErrors[ctr] = err
			}
			continue
		}
		unpauseIDs = append(unpauseIDs, pod.ID())

	}
	return unpauseIDs, containerErrors, unpauseErrors
}

// RestartPods is a wrapper to restart pods via libpod
func (r *LocalRuntime) RestartPods(ctx context.Context, c *cliconfig.PodRestartValues) ([]string, map[string]error, []error) {
	var (
		restartIDs    []string
		restartErrors []error
	)
	containerErrors := make(map[string]error)

	pods, err := shortcuts.GetPodsByContext(c.All, c.Latest, c.InputArgs, r.Runtime)
	if err != nil {
		restartErrors = append(restartErrors, err)
		return nil, containerErrors, restartErrors
	}

	for _, pod := range pods {
		ctrErrs, err := pod.Restart(ctx)
		if err != nil {
			restartErrors = append(restartErrors, err)
			continue
		}
		if ctrErrs != nil {
			for ctr, err := range ctrErrs {
				containerErrors[ctr] = err
			}
			continue
		}
		restartIDs = append(restartIDs, pod.ID())

	}
	return restartIDs, containerErrors, restartErrors

}

// PodTop is a wrapper function to call GetPodPidInformation in libpod and return its results
// for output
func (r *LocalRuntime) PodTop(c *cliconfig.PodTopValues, descriptors []string) ([]string, error) {
	var (
		pod *Pod
		err error
	)

	if c.Latest {
		pod, err = r.GetLatestPod()
	} else {
		pod, err = r.LookupPod(c.InputArgs[0])
	}
	if err != nil {
		return nil, errors.Wrapf(err, "unable to lookup requested container")
	}
	podStatus, err := pod.GetPodStatus()
	if err != nil {
		return nil, errors.Wrapf(err, "unable to get status for pod %s", pod.ID())
	}
	if podStatus != "Running" {
		return nil, errors.Errorf("pod top can only be used on pods with at least one running container")
	}
	return pod.GetPodPidInformation(descriptors)
}

// GetStatPods returns pods for use in pod stats
func (r *LocalRuntime) GetStatPods(c *cliconfig.PodStatsValues) ([]*Pod, error) {
	var (
		adapterPods []*Pod
		pods        []*libpod.Pod
		err         error
	)

	if len(c.InputArgs) > 0 || c.Latest || c.All {
		pods, err = shortcuts.GetPodsByContext(c.All, c.Latest, c.InputArgs, r.Runtime)
	} else {
		pods, err = r.Runtime.GetRunningPods()
	}
	if err != nil {
		return nil, err
	}
	// convert libpod pods to adapter pods
	for _, p := range pods {
		adapterPod := Pod{
			p,
		}
		adapterPods = append(adapterPods, &adapterPod)
	}
	return adapterPods, nil
}

// PlayKubeYAML creates pods and containers from a kube YAML file
func (r *LocalRuntime) PlayKubeYAML(ctx context.Context, c *cliconfig.KubePlayValues, yamlFile string) (*Pod, error) {
	var (
		containers    []*libpod.Container
		pod           *libpod.Pod
		podOptions    []libpod.PodCreateOption
		podYAML       v1.Pod
		registryCreds *types.DockerAuthConfig
		writer        io.Writer
	)

	content, err := ioutil.ReadFile(yamlFile)
	if err != nil {
		return nil, err
	}

	if err := yaml.Unmarshal(content, &podYAML); err != nil {
		return nil, errors.Wrapf(err, "unable to read %s as YAML", yamlFile)
	}

	if podYAML.Kind != "Pod" {
		return nil, errors.Errorf("Invalid YAML kind: %s. Pod is the only supported Kubernetes YAML kind", podYAML.Kind)
	}

	// check for name collision between pod and container
	podName := podYAML.ObjectMeta.Name
	if podName == "" {
		return nil, errors.Errorf("pod does not have a name")
	}
	for _, n := range podYAML.Spec.Containers {
		if n.Name == podName {
			fmt.Printf("a container exists with the same name (%s) as the pod in your YAML file; changing pod name to %s_pod\n", podName, podName)
			podName = fmt.Sprintf("%s_pod", podName)
		}
	}

	podOptions = append(podOptions, libpod.WithInfraContainer())
	podOptions = append(podOptions, libpod.WithPodName(podName))
	// TODO for now we just used the default kernel namespaces; we need to add/subtract this from yaml

	hostname := podYAML.Spec.Hostname
	if hostname == "" {
		hostname = podName
	}
	podOptions = append(podOptions, libpod.WithPodHostname(hostname))

	nsOptions, err := shared.GetNamespaceOptions(strings.Split(shared.DefaultKernelNamespaces, ","))
	if err != nil {
		return nil, err
	}
	podOptions = append(podOptions, nsOptions...)
	podPorts := getPodPorts(podYAML.Spec.Containers)
	podOptions = append(podOptions, libpod.WithInfraContainerPorts(podPorts))

	// Create the Pod
	pod, err = r.NewPod(ctx, podOptions...)
	if err != nil {
		return nil, err
	}

	podInfraID, err := pod.InfraContainerID()
	if err != nil {
		return nil, err
	}
	hasUserns := false
	if podInfraID != "" {
		podCtr, err := r.GetContainer(podInfraID)
		if err != nil {
			return nil, err
		}
		mappings, err := podCtr.IDMappings()
		if err != nil {
			return nil, err
		}
		hasUserns = len(mappings.UIDMap) > 0
	}

	namespaces := map[string]string{
		// Disabled during code review per mheon
		//"pid":  fmt.Sprintf("container:%s", podInfraID),
		"net": fmt.Sprintf("container:%s", podInfraID),
		"ipc": fmt.Sprintf("container:%s", podInfraID),
		"uts": fmt.Sprintf("container:%s", podInfraID),
	}
	if hasUserns {
		namespaces["user"] = fmt.Sprintf("container:%s", podInfraID)
	}
	if !c.Quiet {
		writer = os.Stderr
	}

	dockerRegistryOptions := image.DockerRegistryOptions{
		DockerRegistryCreds: registryCreds,
		DockerCertPath:      c.CertDir,
	}
	if c.Flag("tls-verify").Changed {
		dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!c.TlsVerify)
	}

	// map from name to mount point
	volumes := make(map[string]string)
	for _, volume := range podYAML.Spec.Volumes {
		hostPath := volume.VolumeSource.HostPath
		if hostPath == nil {
			return nil, errors.Errorf("HostPath is currently the only supported VolumeSource")
		}
		if hostPath.Type != nil {
			switch *hostPath.Type {
			case v1.HostPathDirectoryOrCreate:
				if _, err := os.Stat(hostPath.Path); os.IsNotExist(err) {
					if err := os.Mkdir(hostPath.Path, createDirectoryPermission); err != nil {
						return nil, errors.Errorf("Error creating HostPath %s at %s", volume.Name, hostPath.Path)
					}
				}
				// unconditionally label a newly created volume as private
				if err := libpod.LabelVolumePath(hostPath.Path, false); err != nil {
					return nil, errors.Wrapf(err, "Error giving %s a label", hostPath.Path)
				}
			case v1.HostPathFileOrCreate:
				if _, err := os.Stat(hostPath.Path); os.IsNotExist(err) {
					f, err := os.OpenFile(hostPath.Path, os.O_RDONLY|os.O_CREATE, createFilePermission)
					if err != nil {
						return nil, errors.Errorf("Error creating HostPath %s at %s", volume.Name, hostPath.Path)
					}
					if err := f.Close(); err != nil {
						logrus.Warnf("Error in closing newly created HostPath file: %v", err)
					}
				}
				// unconditionally label a newly created volume as private
				if err := libpod.LabelVolumePath(hostPath.Path, false); err != nil {
					return nil, errors.Wrapf(err, "Error giving %s a label", hostPath.Path)
				}
			case v1.HostPathDirectory:
			case v1.HostPathFile:
			case v1.HostPathUnset:
				// do nothing here because we will verify the path exists in validateVolumeHostDir
				break
			default:
				return nil, errors.Errorf("Directories are the only supported HostPath type")
			}
		}

		if err := parse.ValidateVolumeHostDir(hostPath.Path); err != nil {
			return nil, errors.Wrapf(err, "Error in parsing HostPath in YAML")
		}
		volumes[volume.Name] = hostPath.Path
	}

	seccompPaths, err := initializeSeccompPaths(podYAML.ObjectMeta.Annotations)
	if err != nil {
		return nil, err
	}

	for _, container := range podYAML.Spec.Containers {
		newImage, err := r.ImageRuntime().New(ctx, container.Image, c.SignaturePolicy, c.Authfile, writer, &dockerRegistryOptions, image.SigningOptions{}, nil, util.PullImageMissing)
		if err != nil {
			return nil, err
		}
		createConfig, err := kubeContainerToCreateConfig(ctx, container, r.Runtime, newImage, namespaces, volumes, pod.ID(), podInfraID, seccompPaths)
		if err != nil {
			return nil, err
		}
		ctr, err := shared.CreateContainerFromCreateConfig(r.Runtime, createConfig, ctx, pod)
		if err != nil {
			return nil, err
		}
		containers = append(containers, ctr)
	}

	// start the containers
	for _, ctr := range containers {
		if err := ctr.Start(ctx, true); err != nil {
			// Making this a hard failure here to avoid a mess
			// the other containers are in created status
			return nil, err
		}
	}

	// We've now successfully converted this YAML into a pod
	// print our pod and containers, signifying we succeeded
	fmt.Printf("Pod:\n%s\n", pod.ID())
	if len(containers) == 1 {
		fmt.Printf("Container:\n")
	}
	if len(containers) > 1 {
		fmt.Printf("Containers:\n")
	}
	for _, ctr := range containers {
		fmt.Println(ctr.ID())
	}

	if err := playcleanup(ctx, r, pod, nil); err != nil {
		logrus.Errorf("unable to remove pod %s after failing to play kube", pod.ID())
	}
	return nil, nil
}

func playcleanup(ctx context.Context, runtime *LocalRuntime, pod *libpod.Pod, err error) error {
	if err != nil && pod != nil {
		return runtime.RemovePod(ctx, pod, true, true)
	}
	return nil
}

// getPodPorts converts a slice of kube container descriptions to an
// array of ocicni portmapping descriptions usable in libpod
func getPodPorts(containers []v1.Container) []ocicni.PortMapping {
	var infraPorts []ocicni.PortMapping
	for _, container := range containers {
		for _, p := range container.Ports {
			portBinding := ocicni.PortMapping{
				HostPort:      p.HostPort,
				ContainerPort: p.ContainerPort,
				Protocol:      strings.ToLower(string(p.Protocol)),
			}
			if p.HostIP != "" {
				logrus.Debug("HostIP on port bindings is not supported")
			}
			infraPorts = append(infraPorts, portBinding)
		}
	}
	return infraPorts
}

func setupSecurityContext(securityConfig *createconfig.SecurityConfig, userConfig *createconfig.UserConfig, containerYAML v1.Container) {
	if containerYAML.SecurityContext == nil {
		return
	}
	if containerYAML.SecurityContext.ReadOnlyRootFilesystem != nil {
		securityConfig.ReadOnlyRootfs = *containerYAML.SecurityContext.ReadOnlyRootFilesystem
	}
	if containerYAML.SecurityContext.Privileged != nil {
		securityConfig.Privileged = *containerYAML.SecurityContext.Privileged
	}

	if containerYAML.SecurityContext.AllowPrivilegeEscalation != nil {
		securityConfig.NoNewPrivs = !*containerYAML.SecurityContext.AllowPrivilegeEscalation
	}

	if seopt := containerYAML.SecurityContext.SELinuxOptions; seopt != nil {
		if seopt.User != "" {
			securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=user:%s", seopt.User))
			securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("user:%s", seopt.User))
		}
		if seopt.Role != "" {
			securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=role:%s", seopt.Role))
			securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("role:%s", seopt.Role))
		}
		if seopt.Type != "" {
			securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=type:%s", seopt.Type))
			securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("type:%s", seopt.Type))
		}
		if seopt.Level != "" {
			securityConfig.SecurityOpts = append(securityConfig.SecurityOpts, fmt.Sprintf("label=level:%s", seopt.Level))
			securityConfig.LabelOpts = append(securityConfig.LabelOpts, fmt.Sprintf("level:%s", seopt.Level))
		}
	}
	if caps := containerYAML.SecurityContext.Capabilities; caps != nil {
		for _, capability := range caps.Add {
			securityConfig.CapAdd = append(securityConfig.CapAdd, string(capability))
		}
		for _, capability := range caps.Drop {
			securityConfig.CapDrop = append(securityConfig.CapDrop, string(capability))
		}
	}
	if containerYAML.SecurityContext.RunAsUser != nil {
		userConfig.User = fmt.Sprintf("%d", *containerYAML.SecurityContext.RunAsUser)
	}
	if containerYAML.SecurityContext.RunAsGroup != nil {
		if userConfig.User == "" {
			userConfig.User = "0"
		}
		userConfig.User = fmt.Sprintf("%s:%d", userConfig.User, *containerYAML.SecurityContext.RunAsGroup)
	}
}

// kubeContainerToCreateConfig takes a v1.Container and returns a createconfig describing a container
func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container, runtime *libpod.Runtime, newImage *image.Image, namespaces map[string]string, volumes map[string]string, podID, infraID string, seccompPaths *kubeSeccompPaths) (*createconfig.CreateConfig, error) {
	var (
		containerConfig createconfig.CreateConfig
		pidConfig       createconfig.PidConfig
		networkConfig   createconfig.NetworkConfig
		cgroupConfig    createconfig.CgroupConfig
		utsConfig       createconfig.UtsConfig
		ipcConfig       createconfig.IpcConfig
		userConfig      createconfig.UserConfig
		securityConfig  createconfig.SecurityConfig
	)

	// The default for MemorySwappiness is -1, not 0
	containerConfig.Resources.MemorySwappiness = -1

	containerConfig.Image = containerYAML.Image
	containerConfig.ImageID = newImage.ID()
	containerConfig.Name = containerYAML.Name
	containerConfig.Tty = containerYAML.TTY
	containerConfig.WorkDir = containerYAML.WorkingDir

	containerConfig.Pod = podID

	imageData, _ := newImage.Inspect(ctx)

	userConfig.User = "0"
	if imageData != nil {
		userConfig.User = imageData.Config.User
	}

	setupSecurityContext(&securityConfig, &userConfig, containerYAML)

	securityConfig.SeccompProfilePath = seccompPaths.findForContainer(containerConfig.Name)

	containerConfig.Command = []string{}
	if imageData != nil && imageData.Config != nil {
		containerConfig.Command = append(containerConfig.Command, imageData.Config.Entrypoint...)
	}
	if len(containerYAML.Command) != 0 {
		containerConfig.Command = append(containerConfig.Command, containerYAML.Command...)
	} else if imageData != nil && imageData.Config != nil {
		containerConfig.Command = append(containerConfig.Command, imageData.Config.Cmd...)
	}
	if imageData != nil && len(containerConfig.Command) == 0 {
		return nil, errors.Errorf("No command specified in container YAML or as CMD or ENTRYPOINT in this image for %s", containerConfig.Name)
	}

	containerConfig.UserCommand = containerConfig.Command

	containerConfig.StopSignal = 15

	// If the user does not pass in ID mappings, just set to basics
	if userConfig.IDMappings == nil {
		userConfig.IDMappings = &storage.IDMappingOptions{}
	}

	networkConfig.NetMode = ns.NetworkMode(namespaces["net"])
	ipcConfig.IpcMode = ns.IpcMode(namespaces["ipc"])
	utsConfig.UtsMode = ns.UTSMode(namespaces["uts"])
	// disabled in code review per mheon
	//containerConfig.PidMode = ns.PidMode(namespaces["pid"])
	userConfig.UsernsMode = ns.UsernsMode(namespaces["user"])
	if len(containerConfig.WorkDir) == 0 {
		containerConfig.WorkDir = "/"
	}

	containerConfig.Pid = pidConfig
	containerConfig.Network = networkConfig
	containerConfig.Uts = utsConfig
	containerConfig.Ipc = ipcConfig
	containerConfig.Cgroup = cgroupConfig
	containerConfig.User = userConfig
	containerConfig.Security = securityConfig

	// Set default environment variables and incorporate data from image, if necessary
	envs := shared.EnvVariablesFromData(imageData)

	annotations := make(map[string]string)
	if infraID != "" {
		annotations[ann.SandboxID] = infraID
		annotations[ann.ContainerType] = ann.ContainerTypeContainer
	}
	containerConfig.Annotations = annotations

	// Environment Variables
	for _, e := range containerYAML.Env {
		envs[e.Name] = e.Value
	}
	containerConfig.Env = envs

	for _, volume := range containerYAML.VolumeMounts {
		hostPath, exists := volumes[volume.Name]
		if !exists {
			return nil, errors.Errorf("Volume mount %s specified for container but not configured in volumes", volume.Name)
		}
		if err := parse.ValidateVolumeCtrDir(volume.MountPath); err != nil {
			return nil, errors.Wrapf(err, "error in parsing MountPath")
		}
		containerConfig.Volumes = append(containerConfig.Volumes, fmt.Sprintf("%s:%s", hostPath, volume.MountPath))
	}
	return &containerConfig, nil
}

// kubeSeccompPaths holds information about a pod YAML's seccomp configuration
// it holds both container and pod seccomp paths
type kubeSeccompPaths struct {
	containerPaths map[string]string
	podPath        string
}

// findForContainer checks whether a container has a seccomp path configured for it
// if not, it returns the podPath, which should always have a value
func (k *kubeSeccompPaths) findForContainer(ctrName string) string {
	if path, ok := k.containerPaths[ctrName]; ok {
		return path
	}
	return k.podPath
}

// initializeSeccompPaths takes annotations from the pod object metadata and finds annotations pertaining to seccomp
// it parses both pod and container level
func initializeSeccompPaths(annotations map[string]string) (*kubeSeccompPaths, error) {
	seccompPaths := &kubeSeccompPaths{containerPaths: make(map[string]string)}
	var err error
	if annotations != nil {
		for annKeyValue, seccomp := range annotations {
			// check if it is prefaced with container.seccomp.security.alpha.kubernetes.io/
			prefixAndCtr := strings.Split(annKeyValue, "/")
			if prefixAndCtr[0]+"/" != v1.SeccompContainerAnnotationKeyPrefix {
				continue
			} else if len(prefixAndCtr) != 2 {
				// this could be caused by a user inputting either of
				// container.seccomp.security.alpha.kubernetes.io{,/}
				// both of which are invalid
				return nil, errors.Errorf("Invalid seccomp path: %s", prefixAndCtr[0])
			}

			path, err := verifySeccompPath(seccomp)
			if err != nil {
				return nil, err
			}
			seccompPaths.containerPaths[prefixAndCtr[1]] = path
		}

		podSeccomp, ok := annotations[v1.SeccompPodAnnotationKey]
		if ok {
			seccompPaths.podPath, err = verifySeccompPath(podSeccomp)
		} else {
			seccompPaths.podPath, err = libpod.DefaultSeccompPath()
		}
		if err != nil {
			return nil, err
		}
	}
	return seccompPaths, nil
}

// verifySeccompPath takes a path and checks whether it is a default, unconfined, or a path
// the available options are parsed as defined in https://kubernetes.io/docs/concepts/policy/pod-security-policy/#seccomp
func verifySeccompPath(path string) (string, error) {
	switch path {
	case v1.DeprecatedSeccompProfileDockerDefault:
		fallthrough
	case v1.SeccompProfileRuntimeDefault:
		return libpod.DefaultSeccompPath()
	case "unconfined":
		return path, nil
	default:
		// TODO we have an inconsistency here
		// k8s parses `localhost/<path>` which is found at `<seccomp_root>`
		// we currently parse `localhost:<seccomp_root>/<path>
		// to fully conform, we need to find a good location for the seccomp root
		parts := strings.Split(path, ":")
		if parts[0] == "localhost" {
			return parts[1], nil
		}
		return "", errors.Errorf("invalid seccomp path: %s", path)
	}
}