summaryrefslogtreecommitdiff
path: root/pkg/specgen/generate/pod_create.go
blob: 43caf0fe99685cabb786e9cb7554f9577859d0cb (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
package generate

import (
	"context"

	"github.com/containers/podman/v2/libpod"
	"github.com/containers/podman/v2/pkg/specgen"
	"github.com/pkg/errors"
	"github.com/sirupsen/logrus"
)

func MakePod(p *specgen.PodSpecGenerator, rt *libpod.Runtime) (*libpod.Pod, error) {
	if err := p.Validate(); err != nil {
		return nil, err
	}
	options, err := createPodOptions(p, rt)
	if err != nil {
		return nil, err
	}
	return rt.NewPod(context.Background(), options...)
}

func createPodOptions(p *specgen.PodSpecGenerator, rt *libpod.Runtime) ([]libpod.PodCreateOption, error) {
	var (
		options []libpod.PodCreateOption
	)
	if !p.NoInfra {
		options = append(options, libpod.WithInfraContainer())
		nsOptions, err := GetNamespaceOptions(p.SharedNamespaces)
		if err != nil {
			return nil, err
		}
		options = append(options, nsOptions...)

		// Make our exit command
		storageConfig := rt.StorageConfig()
		runtimeConfig, err := rt.GetConfig()
		if err != nil {
			return nil, err
		}
		exitCommand, err := CreateExitCommandArgs(storageConfig, runtimeConfig, logrus.IsLevelEnabled(logrus.DebugLevel), false, false)
		if err != nil {
			return nil, errors.Wrapf(err, "error creating infra container exit command")
		}
		options = append(options, libpod.WithPodInfraExitCommand(exitCommand))
	}
	if len(p.CgroupParent) > 0 {
		options = append(options, libpod.WithPodCgroupParent(p.CgroupParent))
	}
	if len(p.Labels) > 0 {
		options = append(options, libpod.WithPodLabels(p.Labels))
	}
	if len(p.Name) > 0 {
		options = append(options, libpod.WithPodName(p.Name))
	}
	if len(p.Hostname) > 0 {
		options = append(options, libpod.WithPodHostname(p.Hostname))
	}
	if len(p.HostAdd) > 0 {
		options = append(options, libpod.WithPodHosts(p.HostAdd))
	}
	if len(p.DNSServer) > 0 {
		var dnsServers []string
		for _, d := range p.DNSServer {
			dnsServers = append(dnsServers, d.String())
		}
		options = append(options, libpod.WithPodDNS(dnsServers))
	}
	if len(p.DNSOption) > 0 {
		options = append(options, libpod.WithPodDNSOption(p.DNSOption))
	}
	if len(p.DNSSearch) > 0 {
		options = append(options, libpod.WithPodDNSSearch(p.DNSSearch))
	}
	if p.StaticIP != nil {
		options = append(options, libpod.WithPodStaticIP(*p.StaticIP))
	}
	if p.StaticMAC != nil {
		options = append(options, libpod.WithPodStaticMAC(*p.StaticMAC))
	}
	if p.NoManageResolvConf {
		options = append(options, libpod.WithPodUseImageResolvConf())
	}
	if len(p.CNINetworks) > 0 {
		options = append(options, libpod.WithPodNetworks(p.CNINetworks))
	}

	if len(p.InfraImage) > 0 {
		options = append(options, libpod.WithInfraImage(p.InfraImage))
	}

	if len(p.InfraCommand) > 0 {
		options = append(options, libpod.WithInfraCommand(p.InfraCommand))
	}

	switch p.NetNS.NSMode {
	case specgen.Bridge, specgen.Default, "":
		logrus.Debugf("Pod using default network mode")
	case specgen.Host:
		logrus.Debugf("Pod will use host networking")
		options = append(options, libpod.WithPodHostNetwork())
	case specgen.Slirp:
		logrus.Debugf("Pod will use slirp4netns")
		options = append(options, libpod.WithPodSlirp4netns(p.NetworkOptions))
	default:
		return nil, errors.Errorf("pods presently do not support network mode %s", p.NetNS.NSMode)
	}

	if p.NoManageHosts {
		options = append(options, libpod.WithPodUseImageHosts())
	}
	if len(p.PortMappings) > 0 {
		ports, _, _, err := parsePortMapping(p.PortMappings)
		if err != nil {
			return nil, err
		}
		options = append(options, libpod.WithInfraContainerPorts(ports))
	}
	options = append(options, libpod.WithPodCgroups())
	if p.PodCreateCommand != nil {
		options = append(options, libpod.WithPodCreateCommand(p.PodCreateCommand))
	}
	if len(p.InfraConmonPidFile) > 0 {
		options = append(options, libpod.WithInfraConmonPidFile(p.InfraConmonPidFile))
	}
	return options, nil
}