summaryrefslogtreecommitdiff
path: root/pkg/domain/infra/abi/play.go
blob: faa89cc26915ae74a9e31cda098dfdabaeae236e (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
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
package abi

import (
	"bytes"
	"context"
	"errors"
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"path/filepath"
	"strconv"
	"strings"

	buildahDefine "github.com/containers/buildah/define"
	"github.com/containers/common/libimage"
	nettypes "github.com/containers/common/libnetwork/types"
	"github.com/containers/common/pkg/config"
	"github.com/containers/image/v5/types"
	"github.com/containers/podman/v4/libpod"
	"github.com/containers/podman/v4/libpod/define"
	"github.com/containers/podman/v4/pkg/autoupdate"
	"github.com/containers/podman/v4/pkg/domain/entities"
	v1apps "github.com/containers/podman/v4/pkg/k8s.io/api/apps/v1"
	v1 "github.com/containers/podman/v4/pkg/k8s.io/api/core/v1"
	"github.com/containers/podman/v4/pkg/specgen"
	"github.com/containers/podman/v4/pkg/specgen/generate"
	"github.com/containers/podman/v4/pkg/specgen/generate/kube"
	"github.com/containers/podman/v4/pkg/specgenutil"
	"github.com/containers/podman/v4/pkg/systemd/notifyproxy"
	"github.com/containers/podman/v4/pkg/util"
	"github.com/coreos/go-systemd/v22/daemon"
	"github.com/ghodss/yaml"
	"github.com/opencontainers/go-digest"
	"github.com/sirupsen/logrus"
	yamlv3 "gopkg.in/yaml.v3"
)

// sdNotifyAnnotation allows for configuring service-global and
// container-specific sd-notify modes.
const sdNotifyAnnotation = "io.containers.sdnotify"

// createServiceContainer creates a container that can later on
// be associated with the pods of a K8s yaml.  It will be started along with
// the first pod.
func (ic *ContainerEngine) createServiceContainer(ctx context.Context, name string, options entities.PlayKubeOptions) (*libpod.Container, error) {
	// Make sure to replace the service container as well if requested by
	// the user.
	if options.Replace {
		if _, err := ic.ContainerRm(ctx, []string{name}, entities.RmOptions{Force: true, Ignore: true}); err != nil {
			return nil, fmt.Errorf("replacing service container: %w", err)
		}
	}

	// Similar to infra containers, a service container is using the pause image.
	image, err := generate.PullOrBuildInfraImage(ic.Libpod, "")
	if err != nil {
		return nil, fmt.Errorf("image for service container: %w", err)
	}

	ctrOpts := entities.ContainerCreateOptions{
		// Inherited from infra containers
		ImageVolume:      "bind",
		IsInfra:          false,
		MemorySwappiness: -1,
		// No need to spin up slirp etc.
		Net: &entities.NetOptions{Network: specgen.Namespace{NSMode: specgen.NoNetwork}},
	}

	// Create and fill out the runtime spec.
	s := specgen.NewSpecGenerator(image, false)
	if err := specgenutil.FillOutSpecGen(s, &ctrOpts, []string{}); err != nil {
		return nil, fmt.Errorf("completing spec for service container: %w", err)
	}
	s.Name = name

	runtimeSpec, spec, opts, err := generate.MakeContainer(ctx, ic.Libpod, s, false, nil)
	if err != nil {
		return nil, fmt.Errorf("creating runtime spec for service container: %w", err)
	}
	opts = append(opts, libpod.WithIsService())

	// Set the sd-notify mode to "ignore".  Podman is responsible for
	// sending the notify messages when all containers are ready.
	// The mode for individual containers or entire pods can be configured
	// via the `sdNotifyAnnotation` annotation in the K8s YAML.
	opts = append(opts, libpod.WithSdNotifyMode(define.SdNotifyModeIgnore))

	// Create a new libpod container based on the spec.
	ctr, err := ic.Libpod.NewContainer(ctx, runtimeSpec, spec, false, opts...)
	if err != nil {
		return nil, fmt.Errorf("creating service container: %w", err)
	}

	return ctr, nil
}

// Creates the name for a k8s entity based on the provided content of a
// K8s yaml file and a given suffix.
func k8sName(content []byte, suffix string) string {
	// The name of the service container is the first 12
	// characters of the yaml file's hash followed by the
	// '-service' suffix to guarantee a predictable and
	// discoverable name.
	hash := digest.FromBytes(content).Encoded()
	return hash[0:12] + "-" + suffix
}

func (ic *ContainerEngine) PlayKube(ctx context.Context, body io.Reader, options entities.PlayKubeOptions) (_ *entities.PlayKubeReport, finalErr error) {
	if options.ServiceContainer && options.Start == types.OptionalBoolFalse { // Sanity check to be future proof
		return nil, fmt.Errorf("running a service container requires starting the pod(s)")
	}

	report := &entities.PlayKubeReport{}
	validKinds := 0

	// read yaml document
	content, err := ioutil.ReadAll(body)
	if err != nil {
		return nil, err
	}

	// split yaml document
	documentList, err := splitMultiDocYAML(content)
	if err != nil {
		return nil, err
	}

	// sort kube kinds
	documentList, err = sortKubeKinds(documentList)
	if err != nil {
		return nil, fmt.Errorf("unable to sort kube kinds: %w", err)
	}

	ipIndex := 0

	var configMaps []v1.ConfigMap

	ranContainers := false
	var serviceContainer *libpod.Container
	// create pod on each document if it is a pod or deployment
	// any other kube kind will be skipped
	for _, document := range documentList {
		kind, err := getKubeKind(document)
		if err != nil {
			return nil, fmt.Errorf("unable to read kube YAML: %w", err)
		}

		// TODO: create constants for the various "kinds" of yaml files.
		if options.ServiceContainer && serviceContainer == nil && (kind == "Pod" || kind == "Deployment") {
			ctr, err := ic.createServiceContainer(ctx, k8sName(content, "service"), options)
			if err != nil {
				return nil, err
			}
			serviceContainer = ctr
			// Make sure to remove the container in case something goes wrong below.
			defer func() {
				if finalErr == nil {
					return
				}
				if err := ic.Libpod.RemoveContainer(ctx, ctr, true, false, nil); err != nil {
					logrus.Errorf("Cleaning up service container after failure: %v", err)
				}
			}()
		}

		switch kind {
		case "Pod":
			var podYAML v1.Pod
			var podTemplateSpec v1.PodTemplateSpec

			if err := yaml.Unmarshal(document, &podYAML); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube Pod: %w", err)
			}

			podTemplateSpec.ObjectMeta = podYAML.ObjectMeta
			podTemplateSpec.Spec = podYAML.Spec
			for name, val := range podYAML.Annotations {
				if len(val) > define.MaxKubeAnnotation {
					return nil, fmt.Errorf("invalid annotation %q=%q value length exceeds Kubernetetes max %d", name, val, define.MaxKubeAnnotation)
				}
			}
			for name, val := range options.Annotations {
				if podYAML.Annotations == nil {
					podYAML.Annotations = make(map[string]string)
				}
				podYAML.Annotations[name] = val
			}

			r, err := ic.playKubePod(ctx, podTemplateSpec.ObjectMeta.Name, &podTemplateSpec, options, &ipIndex, podYAML.Annotations, configMaps, serviceContainer)
			if err != nil {
				return nil, err
			}

			report.Pods = append(report.Pods, r.Pods...)
			validKinds++
			ranContainers = true
		case "Deployment":
			var deploymentYAML v1apps.Deployment

			if err := yaml.Unmarshal(document, &deploymentYAML); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube Deployment: %w", err)
			}

			r, err := ic.playKubeDeployment(ctx, &deploymentYAML, options, &ipIndex, configMaps, serviceContainer)
			if err != nil {
				return nil, err
			}

			report.Pods = append(report.Pods, r.Pods...)
			validKinds++
			ranContainers = true
		case "PersistentVolumeClaim":
			var pvcYAML v1.PersistentVolumeClaim

			if err := yaml.Unmarshal(document, &pvcYAML); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube PersistentVolumeClaim: %w", err)
			}

			r, err := ic.playKubePVC(ctx, &pvcYAML)
			if err != nil {
				return nil, err
			}

			report.Volumes = append(report.Volumes, r.Volumes...)
			validKinds++
		case "ConfigMap":
			var configMap v1.ConfigMap

			if err := yaml.Unmarshal(document, &configMap); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube ConfigMap: %w", err)
			}
			configMaps = append(configMaps, configMap)
		case "Secret":
			var secret v1.Secret

			if err := yaml.Unmarshal(document, &secret); err != nil {
				return nil, fmt.Errorf("unable to read YAML as kube secret: %w", err)
			}

			r, err := ic.playKubeSecret(&secret)
			if err != nil {
				return nil, err
			}
			report.Secrets = append(report.Secrets, entities.PlaySecret{CreateReport: r})
			validKinds++
		default:
			logrus.Infof("Kube kind %s not supported", kind)
			continue
		}
	}

	if validKinds == 0 {
		if len(configMaps) > 0 {
			return nil, fmt.Errorf("ConfigMaps in podman are not a standalone object and must be used in a container")
		}
		return nil, fmt.Errorf("YAML document does not contain any supported kube kind")
	}

	if options.ServiceContainer && ranContainers {
		// We can consider the service to be up and running now.
		// Send the sd-notify messages pointing systemd to the
		// service container.
		data, err := serviceContainer.Inspect(false)
		if err != nil {
			return nil, err
		}
		message := fmt.Sprintf("MAINPID=%d\n%s", data.State.ConmonPid, daemon.SdNotifyReady)
		if err := notifyproxy.SendMessage("", message); err != nil {
			return nil, err
		}
	}

	return report, nil
}

func (ic *ContainerEngine) playKubeDeployment(ctx context.Context, deploymentYAML *v1apps.Deployment, options entities.PlayKubeOptions, ipIndex *int, configMaps []v1.ConfigMap, serviceContainer *libpod.Container) (*entities.PlayKubeReport, error) {
	var (
		deploymentName string
		podSpec        v1.PodTemplateSpec
		numReplicas    int32
		i              int32
		report         entities.PlayKubeReport
	)

	deploymentName = deploymentYAML.ObjectMeta.Name
	if deploymentName == "" {
		return nil, errors.New("deployment does not have a name")
	}
	numReplicas = 1
	if deploymentYAML.Spec.Replicas != nil {
		numReplicas = *deploymentYAML.Spec.Replicas
	}
	podSpec = deploymentYAML.Spec.Template

	// create "replicas" number of pods
	for i = 0; i < numReplicas; i++ {
		podName := fmt.Sprintf("%s-pod-%d", deploymentName, i)
		podReport, err := ic.playKubePod(ctx, podName, &podSpec, options, ipIndex, deploymentYAML.Annotations, configMaps, serviceContainer)
		if err != nil {
			return nil, fmt.Errorf("error encountered while bringing up pod %s: %w", podName, err)
		}
		report.Pods = append(report.Pods, podReport.Pods...)
	}
	return &report, nil
}

func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podYAML *v1.PodTemplateSpec, options entities.PlayKubeOptions, ipIndex *int, annotations map[string]string, configMaps []v1.ConfigMap, serviceContainer *libpod.Container) (*entities.PlayKubeReport, error) {
	var (
		writer      io.Writer
		playKubePod entities.PlayKubePod
		report      entities.PlayKubeReport
	)

	mainSdNotifyMode, err := getSdNotifyMode(annotations, "")
	if err != nil {
		return nil, err
	}

	// Create the secret manager before hand
	secretsManager, err := ic.Libpod.SecretsManager()
	if err != nil {
		return nil, err
	}

	// Assert the pod has a name
	if podName == "" {
		return nil, fmt.Errorf("pod does not have a name")
	}

	podOpt := entities.PodCreateOptions{
		Infra:      true,
		Net:        &entities.NetOptions{NoHosts: options.NoHosts},
		ExitPolicy: string(config.PodExitPolicyStop),
	}
	podOpt, err = kube.ToPodOpt(ctx, podName, podOpt, podYAML)
	if err != nil {
		return nil, err
	}

	if len(options.Networks) > 0 {
		ns, networks, netOpts, err := specgen.ParseNetworkFlag(options.Networks)
		if err != nil {
			return nil, err
		}

		if (ns.IsBridge() && len(networks) == 0) || ns.IsHost() {
			return nil, fmt.Errorf("invalid value passed to --network: bridge or host networking must be configured in YAML")
		}

		podOpt.Net.Network = ns
		podOpt.Net.Networks = networks
		podOpt.Net.NetworkOptions = netOpts
	}

	if options.Userns == "" {
		options.Userns = "host"
	}

	// Validate the userns modes supported.
	podOpt.Userns, err = specgen.ParseUserNamespace(options.Userns)
	if err != nil {
		return nil, err
	}

	// FIXME This is very hard to support properly with a good ux
	if len(options.StaticIPs) > *ipIndex {
		if !podOpt.Net.Network.IsBridge() {
			return nil, fmt.Errorf("static ip addresses can only be set when the network mode is bridge: %w", define.ErrInvalidArg)
		}
		if len(podOpt.Net.Networks) != 1 {
			return nil, fmt.Errorf("cannot set static ip addresses for more than network, use netname:ip=<ip> syntax to specify ips for more than network: %w", define.ErrInvalidArg)
		}
		for name, netOpts := range podOpt.Net.Networks {
			netOpts.StaticIPs = append(netOpts.StaticIPs, options.StaticIPs[*ipIndex])
			podOpt.Net.Networks[name] = netOpts
		}
	} else if len(options.StaticIPs) > 0 {
		// only warn if the user has set at least one ip
		logrus.Warn("No more static ips left using a random one")
	}
	if len(options.StaticMACs) > *ipIndex {
		if !podOpt.Net.Network.IsBridge() {
			return nil, fmt.Errorf("static mac address can only be set when the network mode is bridge: %w", define.ErrInvalidArg)
		}
		if len(podOpt.Net.Networks) != 1 {
			return nil, fmt.Errorf("cannot set static mac address for more than network, use netname:mac=<mac> syntax to specify mac for more than network: %w", define.ErrInvalidArg)
		}
		for name, netOpts := range podOpt.Net.Networks {
			netOpts.StaticMAC = nettypes.HardwareAddr(options.StaticMACs[*ipIndex])
			podOpt.Net.Networks[name] = netOpts
		}
	} else if len(options.StaticIPs) > 0 {
		// only warn if the user has set at least one mac
		logrus.Warn("No more static macs left using a random one")
	}
	*ipIndex++

	p := specgen.NewPodSpecGenerator()
	if err != nil {
		return nil, err
	}

	p, err = entities.ToPodSpecGen(*p, &podOpt)
	if err != nil {
		return nil, err
	}
	podSpec := entities.PodSpec{PodSpecGen: *p}

	configMapIndex := make(map[string]struct{})
	for _, configMap := range configMaps {
		configMapIndex[configMap.Name] = struct{}{}
	}
	for _, p := range options.ConfigMaps {
		f, err := os.Open(p)
		if err != nil {
			return nil, err
		}
		defer f.Close()

		cm, err := readConfigMapFromFile(f)
		if err != nil {
			return nil, fmt.Errorf("%q: %w", p, err)
		}

		if _, present := configMapIndex[cm.Name]; present {
			return nil, fmt.Errorf("ambiguous configuration: the same config map %s is present in YAML and in --configmaps %s file", cm.Name, p)
		}

		configMaps = append(configMaps, cm)
	}

	volumes, err := kube.InitializeVolumes(podYAML.Spec.Volumes, configMaps, secretsManager)
	if err != nil {
		return nil, err
	}

	// Go through the volumes and create a podman volume for all volumes that have been
	// defined by a configmap
	for _, v := range volumes {
		if (v.Type == kube.KubeVolumeTypeConfigMap || v.Type == kube.KubeVolumeTypeSecret) && !v.Optional {
			vol, err := ic.Libpod.NewVolume(ctx, libpod.WithVolumeName(v.Source))
			if err != nil {
				if errors.Is(err, define.ErrVolumeExists) {
					// Volume for this configmap already exists do not
					// error out instead reuse the current volume.
					vol, err = ic.Libpod.GetVolume(v.Source)
					if err != nil {
						return nil, fmt.Errorf("cannot re-use local volume for volume from configmap %q: %w", v.Source, err)
					}
				} else {
					return nil, fmt.Errorf("cannot create a local volume for volume from configmap %q: %w", v.Source, err)
				}
			}
			mountPoint, err := vol.MountPoint()
			if err != nil || mountPoint == "" {
				return nil, fmt.Errorf("unable to get mountpoint of volume %q: %w", vol.Name(), err)
			}
			// Create files and add data to the volume mountpoint based on the Items in the volume
			for k, v := range v.Items {
				dataPath := filepath.Join(mountPoint, k)
				f, err := os.Create(dataPath)
				if err != nil {
					return nil, fmt.Errorf("cannot create file %q at volume mountpoint %q: %w", k, mountPoint, err)
				}
				defer f.Close()
				_, err = f.WriteString(v)
				if err != nil {
					return nil, err
				}
			}
		}
	}

	seccompPaths, err := kube.InitializeSeccompPaths(podYAML.ObjectMeta.Annotations, options.SeccompProfileRoot)
	if err != nil {
		return nil, err
	}

	var ctrRestartPolicy string
	switch podYAML.Spec.RestartPolicy {
	case v1.RestartPolicyAlways:
		ctrRestartPolicy = define.RestartPolicyAlways
	case v1.RestartPolicyOnFailure:
		ctrRestartPolicy = define.RestartPolicyOnFailure
	case v1.RestartPolicyNever:
		ctrRestartPolicy = define.RestartPolicyNo
	default: // Default to Always
		ctrRestartPolicy = define.RestartPolicyAlways
	}

	if podOpt.Infra {
		infraImage := util.DefaultContainerConfig().Engine.InfraImage
		infraOptions := entities.NewInfraContainerCreateOptions()
		infraOptions.Hostname = podSpec.PodSpecGen.PodBasicConfig.Hostname
		infraOptions.UserNS = options.Userns
		podSpec.PodSpecGen.InfraImage = infraImage
		podSpec.PodSpecGen.NoInfra = false
		podSpec.PodSpecGen.InfraContainerSpec = specgen.NewSpecGenerator(infraImage, false)
		podSpec.PodSpecGen.InfraContainerSpec.NetworkOptions = p.NetworkOptions
		podSpec.PodSpecGen.InfraContainerSpec.SdNotifyMode = define.SdNotifyModeIgnore

		err = specgenutil.FillOutSpecGen(podSpec.PodSpecGen.InfraContainerSpec, &infraOptions, []string{})
		if err != nil {
			return nil, err
		}
	}

	if serviceContainer != nil {
		podSpec.PodSpecGen.ServiceContainerID = serviceContainer.ID()
	}

	// Create the Pod
	pod, err := generate.MakePod(&podSpec, ic.Libpod)
	if err != nil {
		return nil, err
	}

	podInfraID, err := pod.InfraContainerID()
	if err != nil {
		return nil, err
	}

	if !options.Quiet {
		writer = os.Stderr
	}

	containers := make([]*libpod.Container, 0, len(podYAML.Spec.Containers))
	initContainers := make([]*libpod.Container, 0, len(podYAML.Spec.InitContainers))

	var cwd string
	if options.ContextDir != "" {
		cwd = options.ContextDir
	} else {
		cwd, err = os.Getwd()
		if err != nil {
			return nil, err
		}
	}

	ctrNames := make(map[string]string)
	for _, initCtr := range podYAML.Spec.InitContainers {
		// Error out if same name is used for more than one container
		if _, ok := ctrNames[initCtr.Name]; ok {
			return nil, fmt.Errorf("the pod %q is invalid; duplicate container name %q detected", podName, initCtr.Name)
		}
		ctrNames[initCtr.Name] = ""
		// Init containers cannot have either of lifecycle, livenessProbe, readinessProbe, or startupProbe set
		if initCtr.Lifecycle != nil || initCtr.LivenessProbe != nil || initCtr.ReadinessProbe != nil || initCtr.StartupProbe != nil {
			return nil, fmt.Errorf("cannot create an init container that has either of lifecycle, livenessProbe, readinessProbe, or startupProbe set")
		}
		pulledImage, labels, err := ic.getImageAndLabelInfo(ctx, cwd, annotations, writer, initCtr, options)
		if err != nil {
			return nil, err
		}

		for k, v := range podSpec.PodSpecGen.Labels { // add podYAML labels
			labels[k] = v
		}
		initCtrType := annotations[define.InitContainerType]
		if initCtrType == "" {
			initCtrType = define.OneShotInitContainer
		}

		specgenOpts := kube.CtrSpecGenOptions{
			Annotations:        annotations,
			ConfigMaps:         configMaps,
			Container:          initCtr,
			Image:              pulledImage,
			InitContainerType:  initCtrType,
			Labels:             labels,
			LogDriver:          options.LogDriver,
			LogOptions:         options.LogOptions,
			NetNSIsHost:        p.NetNS.IsHost(),
			PodID:              pod.ID(),
			PodInfraID:         podInfraID,
			PodName:            podName,
			PodSecurityContext: podYAML.Spec.SecurityContext,
			RestartPolicy:      ctrRestartPolicy,
			SeccompPaths:       seccompPaths,
			SecretsManager:     secretsManager,
			UserNSIsHost:       p.Userns.IsHost(),
			Volumes:            volumes,
		}
		specGen, err := kube.ToSpecGen(ctx, &specgenOpts)
		if err != nil {
			return nil, err
		}
		specGen.SdNotifyMode = define.SdNotifyModeIgnore
		rtSpec, spec, opts, err := generate.MakeContainer(ctx, ic.Libpod, specGen, false, nil)
		if err != nil {
			return nil, err
		}
		opts = append(opts, libpod.WithSdNotifyMode(define.SdNotifyModeIgnore))
		ctr, err := generate.ExecuteCreate(ctx, ic.Libpod, rtSpec, spec, false, opts...)
		if err != nil {
			return nil, err
		}

		initContainers = append(initContainers, ctr)
	}

	var sdNotifyProxies []*notifyproxy.NotifyProxy // containers' sd-notify proxies

	for _, container := range podYAML.Spec.Containers {
		// Error out if the same name is used for more than one container
		if _, ok := ctrNames[container.Name]; ok {
			return nil, fmt.Errorf("the pod %q is invalid; duplicate container name %q detected", podName, container.Name)
		}
		ctrNames[container.Name] = ""
		pulledImage, labels, err := ic.getImageAndLabelInfo(ctx, cwd, annotations, writer, container, options)
		if err != nil {
			return nil, err
		}

		for k, v := range podSpec.PodSpecGen.Labels { // add podYAML labels
			labels[k] = v
		}

		specgenOpts := kube.CtrSpecGenOptions{
			Annotations:        annotations,
			ConfigMaps:         configMaps,
			Container:          container,
			Image:              pulledImage,
			Labels:             labels,
			LogDriver:          options.LogDriver,
			LogOptions:         options.LogOptions,
			NetNSIsHost:        p.NetNS.IsHost(),
			PodID:              pod.ID(),
			PodInfraID:         podInfraID,
			PodName:            podName,
			PodSecurityContext: podYAML.Spec.SecurityContext,
			RestartPolicy:      ctrRestartPolicy,
			SeccompPaths:       seccompPaths,
			SecretsManager:     secretsManager,
			UserNSIsHost:       p.Userns.IsHost(),
			Volumes:            volumes,
		}

		specGen, err := kube.ToSpecGen(ctx, &specgenOpts)
		if err != nil {
			return nil, err
		}
		specGen.RawImageName = container.Image
		rtSpec, spec, opts, err := generate.MakeContainer(ctx, ic.Libpod, specGen, false, nil)
		if err != nil {
			return nil, err
		}

		sdNotifyMode := mainSdNotifyMode
		ctrNotifyMode, err := getSdNotifyMode(annotations, container.Name)
		if err != nil {
			return nil, err
		}
		if ctrNotifyMode != "" {
			sdNotifyMode = ctrNotifyMode
		}
		if sdNotifyMode == "" { // Default to "ignore"
			sdNotifyMode = define.SdNotifyModeIgnore
		}

		opts = append(opts, libpod.WithSdNotifyMode(sdNotifyMode))

		// Create a notify proxy for the container.
		if sdNotifyMode != "" && sdNotifyMode != define.SdNotifyModeIgnore {
			proxy, err := notifyproxy.New("")
			if err != nil {
				return nil, err
			}
			sdNotifyProxies = append(sdNotifyProxies, proxy)
			opts = append(opts, libpod.WithSdNotifySocket(proxy.SocketPath()))
		}

		ctr, err := generate.ExecuteCreate(ctx, ic.Libpod, rtSpec, spec, false, opts...)
		if err != nil {
			return nil, err
		}
		containers = append(containers, ctr)
	}

	if options.Start != types.OptionalBoolFalse {
		// Start the containers
		podStartErrors, err := pod.Start(ctx)
		if err != nil && !errors.Is(err, define.ErrPodPartialFail) {
			return nil, err
		}
		for id, err := range podStartErrors {
			playKubePod.ContainerErrors = append(playKubePod.ContainerErrors, fmt.Errorf("error starting container %s: %w", id, err).Error())
			fmt.Println(playKubePod.ContainerErrors)
		}

		// Wait for each proxy to receive a READY message.
		for _, proxy := range sdNotifyProxies {
			if err := proxy.WaitAndClose(); err != nil {
				return nil, err
			}
		}
	}

	playKubePod.ID = pod.ID()
	for _, ctr := range containers {
		playKubePod.Containers = append(playKubePod.Containers, ctr.ID())
	}
	for _, initCtr := range initContainers {
		playKubePod.InitContainers = append(playKubePod.InitContainers, initCtr.ID())
	}

	report.Pods = append(report.Pods, playKubePod)

	return &report, nil
}

// getImageAndLabelInfo returns the image information and how the image should be pulled plus as well as labels to be used for the container in the pod.
// Moved this to a separate function so that it can be used for both init and regular containers when playing a kube yaml.
func (ic *ContainerEngine) getImageAndLabelInfo(ctx context.Context, cwd string, annotations map[string]string, writer io.Writer, container v1.Container, options entities.PlayKubeOptions) (*libimage.Image, map[string]string, error) {
	// Contains all labels obtained from kube
	labels := make(map[string]string)
	var pulledImage *libimage.Image
	buildFile, err := getBuildFile(container.Image, cwd)
	if err != nil {
		return nil, nil, err
	}
	existsLocally, err := ic.Libpod.LibimageRuntime().Exists(container.Image)
	if err != nil {
		return nil, nil, err
	}
	if (len(buildFile) > 0) && ((!existsLocally && options.Build != types.OptionalBoolFalse) || (options.Build == types.OptionalBoolTrue)) {
		buildOpts := new(buildahDefine.BuildOptions)
		commonOpts := new(buildahDefine.CommonBuildOptions)
		buildOpts.ConfigureNetwork = buildahDefine.NetworkDefault
		buildOpts.Isolation = buildahDefine.IsolationChroot
		buildOpts.CommonBuildOpts = commonOpts
		buildOpts.Output = container.Image
		buildOpts.ContextDirectory = filepath.Dir(buildFile)
		if _, _, err := ic.Libpod.Build(ctx, *buildOpts, []string{buildFile}...); err != nil {
			return nil, nil, err
		}
		i, _, err := ic.Libpod.LibimageRuntime().LookupImage(container.Image, new(libimage.LookupImageOptions))
		if err != nil {
			return nil, nil, err
		}
		pulledImage = i
	} else {
		// NOTE: set the pull policy to "newer".  This will cover cases
		// where the "latest" tag requires a pull and will also
		// transparently handle "localhost/" prefixed files which *may*
		// refer to a locally built image OR an image running a
		// registry on localhost.
		pullPolicy := config.PullPolicyNewer
		if len(container.ImagePullPolicy) > 0 {
			// Make sure to lower the strings since K8s pull policy
			// may be capitalized (see bugzilla.redhat.com/show_bug.cgi?id=1985905).
			rawPolicy := string(container.ImagePullPolicy)
			pullPolicy, err = config.ParsePullPolicy(strings.ToLower(rawPolicy))
			if err != nil {
				return nil, nil, err
			}
		}
		// This ensures the image is the image store
		pullOptions := &libimage.PullOptions{}
		pullOptions.AuthFilePath = options.Authfile
		pullOptions.CertDirPath = options.CertDir
		pullOptions.SignaturePolicyPath = options.SignaturePolicy
		pullOptions.Writer = writer
		pullOptions.Username = options.Username
		pullOptions.Password = options.Password
		pullOptions.InsecureSkipTLSVerify = options.SkipTLSVerify

		pulledImages, err := ic.Libpod.LibimageRuntime().Pull(ctx, container.Image, pullPolicy, pullOptions)
		if err != nil {
			return nil, nil, err
		}
		pulledImage = pulledImages[0]
	}

	// Handle kube annotations
	for k, v := range annotations {
		switch k {
		// Auto update annotation without container name will apply to
		// all containers within the pod
		case autoupdate.Label, autoupdate.AuthfileLabel:
			labels[k] = v
		// Auto update annotation with container name will apply only
		// to the specified container
		case fmt.Sprintf("%s/%s", autoupdate.Label, container.Name),
			fmt.Sprintf("%s/%s", autoupdate.AuthfileLabel, container.Name):
			prefixAndCtr := strings.Split(k, "/")
			labels[prefixAndCtr[0]] = v
		}
	}

	return pulledImage, labels, nil
}

// playKubePVC creates a podman volume from a kube persistent volume claim.
func (ic *ContainerEngine) playKubePVC(ctx context.Context, pvcYAML *v1.PersistentVolumeClaim) (*entities.PlayKubeReport, error) {
	var report entities.PlayKubeReport
	opts := make(map[string]string)

	// Get pvc name.
	// This is the only required pvc attribute to create a podman volume.
	name := pvcYAML.Name
	if strings.TrimSpace(name) == "" {
		return nil, fmt.Errorf("persistent volume claim name can not be empty")
	}

	// Create podman volume options.
	volOptions := []libpod.VolumeCreateOption{
		libpod.WithVolumeName(name),
		libpod.WithVolumeLabels(pvcYAML.Labels),
	}

	// Get pvc annotations and create remaining podman volume options if available.
	// These are podman volume options that do not match any of the persistent volume claim
	// attributes, so they can be configured using annotations since they will not affect k8s.
	for k, v := range pvcYAML.Annotations {
		switch k {
		case util.VolumeDriverAnnotation:
			volOptions = append(volOptions, libpod.WithVolumeDriver(v))
		case util.VolumeDeviceAnnotation:
			opts["device"] = v
		case util.VolumeTypeAnnotation:
			opts["type"] = v
		case util.VolumeUIDAnnotation:
			uid, err := strconv.Atoi(v)
			if err != nil {
				return nil, fmt.Errorf("cannot convert uid %s to integer: %w", v, err)
			}
			volOptions = append(volOptions, libpod.WithVolumeUID(uid))
			opts["UID"] = v
		case util.VolumeGIDAnnotation:
			gid, err := strconv.Atoi(v)
			if err != nil {
				return nil, fmt.Errorf("cannot convert gid %s to integer: %w", v, err)
			}
			volOptions = append(volOptions, libpod.WithVolumeGID(gid))
			opts["GID"] = v
		case util.VolumeMountOptsAnnotation:
			opts["o"] = v
		}
	}
	volOptions = append(volOptions, libpod.WithVolumeOptions(opts))

	// Create volume.
	vol, err := ic.Libpod.NewVolume(ctx, volOptions...)
	if err != nil {
		return nil, err
	}

	report.Volumes = append(report.Volumes, entities.PlayKubeVolume{
		Name: vol.Name(),
	})

	return &report, nil
}

// readConfigMapFromFile returns a kubernetes configMap obtained from --configmap flag
func readConfigMapFromFile(r io.Reader) (v1.ConfigMap, error) {
	var cm v1.ConfigMap

	content, err := ioutil.ReadAll(r)
	if err != nil {
		return cm, fmt.Errorf("unable to read ConfigMap YAML content: %w", err)
	}

	if err := yaml.Unmarshal(content, &cm); err != nil {
		return cm, fmt.Errorf("unable to read YAML as Kube ConfigMap: %w", err)
	}

	if cm.Kind != "ConfigMap" {
		return cm, fmt.Errorf("invalid YAML kind: %q. [ConfigMap] is the only supported by --configmap", cm.Kind)
	}

	return cm, nil
}

// splitMultiDocYAML reads multiple documents in a YAML file and
// returns them as a list.
func splitMultiDocYAML(yamlContent []byte) ([][]byte, error) {
	var documentList [][]byte

	d := yamlv3.NewDecoder(bytes.NewReader(yamlContent))
	for {
		var o interface{}
		// read individual document
		err := d.Decode(&o)
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, fmt.Errorf("multi doc yaml could not be split: %w", err)
		}

		if o != nil {
			// back to bytes
			document, err := yamlv3.Marshal(o)
			if err != nil {
				return nil, fmt.Errorf("individual doc yaml could not be marshalled: %w", err)
			}

			documentList = append(documentList, document)
		}
	}

	return documentList, nil
}

// getKubeKind unmarshals a kube YAML document and returns its kind.
func getKubeKind(obj []byte) (string, error) {
	var kubeObject v1.ObjectReference

	if err := yaml.Unmarshal(obj, &kubeObject); err != nil {
		return "", err
	}

	return kubeObject.Kind, nil
}

// sortKubeKinds adds the correct creation order for the kube kinds.
// Any pod dependency will be created first like volumes, secrets, etc.
func sortKubeKinds(documentList [][]byte) ([][]byte, error) {
	var sortedDocumentList [][]byte

	for _, document := range documentList {
		kind, err := getKubeKind(document)
		if err != nil {
			return nil, err
		}

		switch kind {
		case "Pod", "Deployment":
			sortedDocumentList = append(sortedDocumentList, document)
		default:
			sortedDocumentList = append([][]byte{document}, sortedDocumentList...)
		}
	}

	return sortedDocumentList, nil
}
func imageNamePrefix(imageName string) string {
	prefix := imageName
	s := strings.Split(prefix, ":")
	if len(s) > 0 {
		prefix = s[0]
	}
	s = strings.Split(prefix, "/")
	if len(s) > 0 {
		prefix = s[len(s)-1]
	}
	s = strings.Split(prefix, "@")
	if len(s) > 0 {
		prefix = s[0]
	}
	return prefix
}

func getBuildFile(imageName string, cwd string) (string, error) {
	buildDirName := imageNamePrefix(imageName)
	containerfilePath := filepath.Join(cwd, buildDirName, "Containerfile")
	dockerfilePath := filepath.Join(cwd, buildDirName, "Dockerfile")

	_, err := os.Stat(containerfilePath)
	if err == nil {
		logrus.Debugf("Building %s with %s", imageName, containerfilePath)
		return containerfilePath, nil
	}
	// If the error is not because the file does not exist, take
	// a mulligan and try Dockerfile.  If that also fails, return that
	// error
	if err != nil && !os.IsNotExist(err) {
		logrus.Error(err.Error())
	}

	_, err = os.Stat(dockerfilePath)
	if err == nil {
		logrus.Debugf("Building %s with %s", imageName, dockerfilePath)
		return dockerfilePath, nil
	}
	// Strike two
	if os.IsNotExist(err) {
		return "", nil
	}
	return "", err
}

func (ic *ContainerEngine) PlayKubeDown(ctx context.Context, body io.Reader, _ entities.PlayKubeDownOptions) (*entities.PlayKubeReport, error) {
	var (
		podNames []string
	)
	reports := new(entities.PlayKubeReport)

	// read yaml document
	content, err := ioutil.ReadAll(body)
	if err != nil {
		return nil, err
	}

	// split yaml document
	documentList, err := splitMultiDocYAML(content)
	if err != nil {
		return nil, err
	}

	// sort kube kinds
	documentList, err = sortKubeKinds(documentList)
	if err != nil {
		return nil, fmt.Errorf("unable to sort kube kinds: %w", err)
	}

	for _, document := range documentList {
		kind, err := getKubeKind(document)
		if err != nil {
			return nil, fmt.Errorf("unable to read as kube YAML: %w", err)
		}

		switch kind {
		case "Pod":
			var podYAML v1.Pod
			if err := yaml.Unmarshal(document, &podYAML); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube Pod: %w", err)
			}
			podNames = append(podNames, podYAML.ObjectMeta.Name)
		case "Deployment":
			var deploymentYAML v1apps.Deployment

			if err := yaml.Unmarshal(document, &deploymentYAML); err != nil {
				return nil, fmt.Errorf("unable to read YAML as Kube Deployment: %w", err)
			}
			var numReplicas int32 = 1
			deploymentName := deploymentYAML.ObjectMeta.Name
			if deploymentYAML.Spec.Replicas != nil {
				numReplicas = *deploymentYAML.Spec.Replicas
			}
			for i := 0; i < int(numReplicas); i++ {
				podName := fmt.Sprintf("%s-pod-%d", deploymentName, i)
				podNames = append(podNames, podName)
			}
		default:
			continue
		}
	}

	// Add the reports
	reports.StopReport, err = ic.PodStop(ctx, podNames, entities.PodStopOptions{})
	if err != nil {
		return nil, err
	}

	reports.RmReport, err = ic.PodRm(ctx, podNames, entities.PodRmOptions{})
	if err != nil {
		return nil, err
	}

	return reports, nil
}

// playKubeSecret allows users to create and store a kubernetes secret as a podman secret
func (ic *ContainerEngine) playKubeSecret(secret *v1.Secret) (*entities.SecretCreateReport, error) {
	r := &entities.SecretCreateReport{}

	// Create the secret manager before hand
	secretsManager, err := ic.Libpod.SecretsManager()
	if err != nil {
		return nil, err
	}

	data, err := yaml.Marshal(secret)
	if err != nil {
		return nil, err
	}

	secretsPath := ic.Libpod.GetSecretsStorageDir()
	opts := make(map[string]string)
	opts["path"] = filepath.Join(secretsPath, "filedriver")
	// maybe k8sName(data)...
	// using this does not allow the user to use the name given to the secret
	// but keeping secret.Name as the ID can lead to a collision.

	s, err := secretsManager.Lookup(secret.Name)
	if err == nil {
		if val, ok := s.Metadata["immutable"]; ok {
			if val == "true" {
				return nil, fmt.Errorf("cannot remove colliding secret as it is set to immutable")
			}
		}
		_, err = secretsManager.Delete(s.Name)
		if err != nil {
			return nil, err
		}
	}

	// now we have either removed the old secret w/ the same name or
	// the name was not taken. Either way, we can now store.

	meta := make(map[string]string)
	if secret.Immutable != nil && *secret.Immutable {
		meta["immutable"] = "true"
	}
	secretID, err := secretsManager.Store(secret.Name, data, "file", opts, meta)
	if err != nil {
		return nil, err
	}

	r.ID = secretID

	return r, nil
}