summaryrefslogtreecommitdiff
path: root/pkg/domain/infra/abi/network.go
blob: f40df828a62ba50139ccb4f8d92b93db3bf436b7 (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
package abi

import (
	"context"
	"fmt"
	"strings"

	"github.com/containernetworking/cni/libcni"
	"github.com/containers/podman/v2/libpod/define"
	"github.com/containers/podman/v2/libpod/network"
	"github.com/containers/podman/v2/pkg/domain/entities"
	"github.com/containers/podman/v2/pkg/util"
	"github.com/pkg/errors"
)

func (ic *ContainerEngine) NetworkList(ctx context.Context, options entities.NetworkListOptions) ([]*entities.NetworkListReport, error) {
	var reports []*entities.NetworkListReport

	config, err := ic.Libpod.GetConfig()
	if err != nil {
		return nil, err
	}

	networks, err := network.LoadCNIConfsFromDir(network.GetCNIConfDir(config))
	if err != nil {
		return nil, err
	}

	var tokens []string
	// tokenize the networkListOptions.Filter in key=value.
	if len(options.Filter) > 0 {
		tokens = strings.Split(options.Filter, "=")
		if len(tokens) != 2 {
			return nil, fmt.Errorf("invalid filter syntax : %s", options.Filter)
		}
	}

	for _, n := range networks {
		if ifPassesFilterTest(n, tokens) {
			reports = append(reports, &entities.NetworkListReport{NetworkConfigList: n})
		}
	}
	return reports, nil
}

func (ic *ContainerEngine) NetworkInspect(ctx context.Context, namesOrIds []string, options entities.NetworkInspectOptions) ([]entities.NetworkInspectReport, error) {
	config, err := ic.Libpod.GetConfig()
	if err != nil {
		return nil, err
	}

	rawCNINetworks := make([]entities.NetworkInspectReport, 0, len(namesOrIds))
	for _, name := range namesOrIds {
		rawList, err := network.InspectNetwork(config, name)
		if err != nil {
			return nil, err
		}
		rawCNINetworks = append(rawCNINetworks, rawList)
	}
	return rawCNINetworks, nil
}

func (ic *ContainerEngine) NetworkRm(ctx context.Context, namesOrIds []string, options entities.NetworkRmOptions) ([]*entities.NetworkRmReport, error) {
	reports := []*entities.NetworkRmReport{}

	config, err := ic.Libpod.GetConfig()
	if err != nil {
		return nil, err
	}

	for _, name := range namesOrIds {
		report := entities.NetworkRmReport{Name: name}
		containers, err := ic.Libpod.GetAllContainers()
		if err != nil {
			return reports, err
		}
		// We need to iterate containers looking to see if they belong to the given network
		for _, c := range containers {
			if util.StringInSlice(name, c.Config().Networks) {
				// if user passes force, we nuke containers and pods
				if !options.Force {
					// Without the force option, we return an error
					return reports, errors.Wrapf(define.ErrNetworkInUse, "%q has associated containers with it. Use -f to forcibly delete containers and pods", name)
				}
				if c.IsInfra() {
					// if we have a infra container we need to remove the pod
					pod, err := ic.Libpod.GetPod(c.PodID())
					if err != nil {
						return reports, err
					}
					if err := ic.Libpod.RemovePod(ctx, pod, true, true); err != nil {
						return reports, err
					}
				} else if err := ic.Libpod.RemoveContainer(ctx, c, true, true); err != nil {
					return reports, err
				}
			}
		}
		if err := network.RemoveNetwork(config, name); err != nil {
			report.Err = err
		}
		reports = append(reports, &report)
	}
	return reports, nil
}

func (ic *ContainerEngine) NetworkCreate(ctx context.Context, name string, options entities.NetworkCreateOptions) (*entities.NetworkCreateReport, error) {
	return network.Create(name, options, ic.Libpod)
}

func ifPassesFilterTest(netconf *libcni.NetworkConfigList, filter []string) bool {
	result := false
	if len(filter) == 0 {
		// No filter, so pass
		return true
	}
	switch strings.ToLower(filter[0]) {
	case "name":
		if filter[1] == netconf.Name {
			result = true
		}
	case "plugin":
		plugins := network.GetCNIPlugins(netconf)
		if strings.Contains(plugins, filter[1]) {
			result = true
		}
	default:
		result = false
	}
	return result
}