summaryrefslogtreecommitdiff
path: root/pkg/varlinkapi/images.go
blob: f488a10fe0fd81d3501c59402b59acaa03b35280 (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
package varlinkapi

import (
	"encoding/json"
	"fmt"

	"github.com/containers/image/docker"
	"github.com/opencontainers/image-spec/specs-go/v1"
	"github.com/projectatomic/libpod/cmd/podman/libpodruntime"
	ioprojectatomicpodman "github.com/projectatomic/libpod/cmd/podman/varlink"
	"github.com/projectatomic/libpod/libpod/image"
	sysreg "github.com/projectatomic/libpod/pkg/registries"
	"github.com/projectatomic/libpod/pkg/util"
)

// ListImages lists all the images in the store
// It requires no inputs.
func (i *LibpodAPI) ListImages(call ioprojectatomicpodman.VarlinkCall) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	images, err := runtime.ImageRuntime().GetImages()
	if err != nil {
		return call.ReplyErrorOccurred(fmt.Sprintf("unable to get list of images %q", err))
	}
	var imageList []ioprojectatomicpodman.ImageInList
	for _, image := range images {
		//size, _:= image.Size(getContext())
		labels, _ := image.Labels(getContext())
		containers, _ := image.Containers()

		i := ioprojectatomicpodman.ImageInList{
			Id:          image.ID(),
			ParentId:    image.Parent,
			RepoTags:    image.Names(),
			RepoDigests: image.RepoDigests(),
			Created:     image.Created().String(),
			//Size: size,
			VirtualSize: image.VirtualSize,
			Containers:  int64(len(containers)),
			Labels:      labels,
		}
		imageList = append(imageList, i)
	}
	return call.ReplyListImages(imageList)
}

// BuildImage ...
// TODO Waiting for buildah to be vendored into libpod to do this only one
func (i *LibpodAPI) BuildImage(call ioprojectatomicpodman.VarlinkCall) error {
	return call.ReplyMethodNotImplemented("BuildImage")
}

// CreateImage ...
// TODO With Pull being added, should we skip Create?
func (i *LibpodAPI) CreateImage(call ioprojectatomicpodman.VarlinkCall) error {
	return call.ReplyMethodNotImplemented("CreateImage")
}

// InspectImage returns an image's inspect information as a string that can be serialized.
// Requires an image ID or name
func (i *LibpodAPI) InspectImage(call ioprojectatomicpodman.VarlinkCall, name string) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(name)
	}
	inspectInfo, err := newImage.Inspect(getContext())
	b, err := json.Marshal(inspectInfo)
	if err != nil {
		return call.ReplyErrorOccurred(fmt.Sprintf("unable to serialize"))
	}
	return call.ReplyInspectImage(string(b))
}

// HistoryImage returns the history of the image's layers
// Requires an image or name
func (i *LibpodAPI) HistoryImage(call ioprojectatomicpodman.VarlinkCall, name string) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(name)
	}
	history, layerInfos, err := newImage.History(getContext())
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	var (
		histories []ioprojectatomicpodman.ImageHistory
		count     = 1
	)
	for i := len(history) - 1; i >= 0; i-- {
		var size int64
		if !history[i].EmptyLayer {
			size = layerInfos[len(layerInfos)-count].Size
			count++
		}
		imageHistory := ioprojectatomicpodman.ImageHistory{
			Id:        newImage.ID(),
			Created:   history[i].Created.String(),
			CreatedBy: history[i].CreatedBy,
			Tags:      newImage.Names(),
			Size:      size,
			Comment:   history[i].Comment,
		}
		histories = append(histories, imageHistory)
	}
	return call.ReplyHistoryImage(histories)
}

// PushImage pushes an local image to registry
// TODO We need to add options for signing, credentials, and tls
func (i *LibpodAPI) PushImage(call ioprojectatomicpodman.VarlinkCall, name, tag string, tlsVerify bool) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(err.Error())
	}
	destname := name
	if tag != "" {
		destname = tag
	}

	dockerRegistryOptions := image.DockerRegistryOptions{
		DockerInsecureSkipTLSVerify: !tlsVerify,
	}

	so := image.SigningOptions{}

	if err := newImage.PushImage(getContext(), destname, "", "", "", nil, false, so, &dockerRegistryOptions, false); err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyPushImage(newImage.ID())
}

// TagImage accepts an image name and tag as strings and tags an image in the local store.
func (i *LibpodAPI) TagImage(call ioprojectatomicpodman.VarlinkCall, name, tag string) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(name)
	}
	if err := newImage.TagImage(tag); err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyTagImage(newImage.ID())
}

// RemoveImage accepts a image name or ID as a string and force bool to determine if it should
// remove the image even if being used by stopped containers
func (i *LibpodAPI) RemoveImage(call ioprojectatomicpodman.VarlinkCall, name string, force bool) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(name)
	}
	if err := newImage.Remove(force); err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyRemoveImage(newImage.ID())
}

// SearchImage searches all registries configured in /etc/containers/registries.conf for an image
// Requires an image name and a search limit as int
func (i *LibpodAPI) SearchImage(call ioprojectatomicpodman.VarlinkCall, name string, limit int64) error {
	sc := image.GetSystemContext("", "", false)
	registries, err := sysreg.GetRegistries()
	if err != nil {
		return call.ReplyErrorOccurred(fmt.Sprintf("unable to get system registries: %q", err))
	}
	var imageResults []ioprojectatomicpodman.ImageSearch
	for _, reg := range registries {
		results, err := docker.SearchRegistry(getContext(), sc, reg, name, int(limit))
		if err != nil {
			return call.ReplyErrorOccurred(err.Error())
		}
		for _, result := range results {
			i := ioprojectatomicpodman.ImageSearch{
				Description:  result.Description,
				Is_official:  result.IsOfficial,
				Is_automated: result.IsAutomated,
				Name:         result.Name,
				Star_count:   int64(result.StarCount),
			}
			imageResults = append(imageResults, i)
		}
	}
	return call.ReplySearchImage(imageResults)
}

// DeleteUnusedImages deletes any images that do not have containers associated with it.
// TODO Filters are not implemented
func (i *LibpodAPI) DeleteUnusedImages(call ioprojectatomicpodman.VarlinkCall) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	images, err := runtime.ImageRuntime().GetImages()
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	var deletedImages []string
	for _, img := range images {
		containers, err := img.Containers()
		if err != nil {
			return call.ReplyErrorOccurred(err.Error())
		}
		if len(containers) == 0 {
			if err := img.Remove(false); err != nil {
				return call.ReplyErrorOccurred(err.Error())
			}
			deletedImages = append(deletedImages, img.ID())
		}
	}
	return call.ReplyDeleteUnusedImages(deletedImages)
}

// CreateFromContainer ...
// TODO This must wait until buildah is properly vendored into libpod
func (i *LibpodAPI) CreateFromContainer(call ioprojectatomicpodman.VarlinkCall) error {
	return call.ReplyMethodNotImplemented("CreateFromContainer")
}

// ImportImage imports an image from a tarball to the image store
func (i *LibpodAPI) ImportImage(call ioprojectatomicpodman.VarlinkCall, source, reference, message string, changes []string) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	configChanges, err := util.GetImageConfig(changes)
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	history := []v1.History{
		{Comment: message},
	}
	config := v1.Image{
		Config:  configChanges,
		History: history,
	}
	newImage, err := runtime.ImageRuntime().Import(getContext(), source, reference, nil, image.SigningOptions{}, config)
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyImportImage(newImage.ID())
}

// ExportImage exports an image to the provided destination
// destination must have the transport type!!
func (i *LibpodAPI) ExportImage(call ioprojectatomicpodman.VarlinkCall, name, destination string, compress bool) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().NewFromLocal(name)
	if err != nil {
		return call.ReplyImageNotFound(name)
	}
	if err := newImage.PushImage(getContext(), destination, "", "", "", nil, compress, image.SigningOptions{}, &image.DockerRegistryOptions{}, false); err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyExportImage(newImage.ID())
}

// PullImage pulls an image from a registry to the image store.
// TODO This implementation is incomplete
func (i *LibpodAPI) PullImage(call ioprojectatomicpodman.VarlinkCall, name string) error {
	runtime, err := libpodruntime.GetRuntime(i.Cli)
	if err != nil {
		return call.ReplyRuntimeError(err.Error())
	}
	newImage, err := runtime.ImageRuntime().New(getContext(), name, "", "", nil, &image.DockerRegistryOptions{}, image.SigningOptions{}, true, false)
	if err != nil {
		return call.ReplyErrorOccurred(fmt.Sprintf("unable to pull %s", name))
	}
	return call.ReplyPullImage(newImage.ID())
}