-
Notifications
You must be signed in to change notification settings - Fork 1.9k
/
build.go
666 lines (593 loc) · 22.6 KB
/
build.go
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
package image
import (
"archive/tar"
"bufio"
"bytes"
"context"
"encoding/csv"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"regexp"
"runtime"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/image/build"
"github.com/docker/cli/opts"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/idtools"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/docker/docker/pkg/progress"
"github.com/docker/docker/pkg/streamformatter"
"github.com/docker/docker/pkg/urlutil"
units "github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var errStdinConflict = errors.New("invalid argument: can't use stdin for both build context and dockerfile")
type buildOptions struct {
context string
dockerfileName string
tags opts.ListOpts
labels opts.ListOpts
buildArgs opts.ListOpts
extraHosts opts.ListOpts
ulimits *opts.UlimitOpt
memory opts.MemBytes
memorySwap opts.MemSwapBytes
shmSize opts.MemBytes
cpuShares int64
cpuPeriod int64
cpuQuota int64
cpuSetCpus string
cpuSetMems string
cgroupParent string
isolation string
quiet bool
noCache bool
progress string
rm bool
forceRm bool
pull bool
cacheFrom []string
compress bool
securityOpt []string
networkMode string
squash bool
target string
imageIDFile string
stream bool
platform string
untrusted bool
secrets []string
ssh []string
outputs []string
}
// dockerfileFromStdin returns true when the user specified that the Dockerfile
// should be read from stdin instead of a file
func (o buildOptions) dockerfileFromStdin() bool {
return o.dockerfileName == "-"
}
// contextFromStdin returns true when the user specified that the build context
// should be read from stdin
func (o buildOptions) contextFromStdin() bool {
return o.context == "-"
}
func newBuildOptions() buildOptions {
ulimits := make(map[string]*units.Ulimit)
return buildOptions{
tags: opts.NewListOpts(validateTag),
buildArgs: opts.NewListOpts(opts.ValidateEnv),
ulimits: opts.NewUlimitOpt(&ulimits),
labels: opts.NewListOpts(opts.ValidateLabel),
extraHosts: opts.NewListOpts(opts.ValidateExtraHost),
}
}
// NewBuildCommand creates a new `docker build` command
func NewBuildCommand(dockerCli command.Cli) *cobra.Command {
options := newBuildOptions()
cmd := &cobra.Command{
Use: "build [OPTIONS] PATH | URL | -",
Short: "Build an image from a Dockerfile",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
options.context = args[0]
return runBuild(dockerCli, options)
},
}
flags := cmd.Flags()
flags.VarP(&options.tags, "tag", "t", "Name and optionally a tag in the 'name:tag' format")
flags.Var(&options.buildArgs, "build-arg", "Set build-time variables")
flags.Var(options.ulimits, "ulimit", "Ulimit options")
flags.SetAnnotation("ulimit", "no-buildkit", nil)
flags.StringVarP(&options.dockerfileName, "file", "f", "", "Name of the Dockerfile (Default is 'PATH/Dockerfile')")
flags.VarP(&options.memory, "memory", "m", "Memory limit")
flags.SetAnnotation("memory", "no-buildkit", nil)
flags.Var(&options.memorySwap, "memory-swap", "Swap limit equal to memory plus swap: '-1' to enable unlimited swap")
flags.SetAnnotation("memory-swap", "no-buildkit", nil)
flags.Var(&options.shmSize, "shm-size", "Size of /dev/shm")
flags.SetAnnotation("shm-size", "no-buildkit", nil)
flags.Int64VarP(&options.cpuShares, "cpu-shares", "c", 0, "CPU shares (relative weight)")
flags.SetAnnotation("cpu-shares", "no-buildkit", nil)
flags.Int64Var(&options.cpuPeriod, "cpu-period", 0, "Limit the CPU CFS (Completely Fair Scheduler) period")
flags.SetAnnotation("cpu-period", "no-buildkit", nil)
flags.Int64Var(&options.cpuQuota, "cpu-quota", 0, "Limit the CPU CFS (Completely Fair Scheduler) quota")
flags.SetAnnotation("cpu-quota", "no-buildkit", nil)
flags.StringVar(&options.cpuSetCpus, "cpuset-cpus", "", "CPUs in which to allow execution (0-3, 0,1)")
flags.SetAnnotation("cpuset-cpus", "no-buildkit", nil)
flags.StringVar(&options.cpuSetMems, "cpuset-mems", "", "MEMs in which to allow execution (0-3, 0,1)")
flags.SetAnnotation("cpuset-mems", "no-buildkit", nil)
flags.StringVar(&options.cgroupParent, "cgroup-parent", "", "Optional parent cgroup for the container")
flags.SetAnnotation("cgroup-parent", "no-buildkit", nil)
flags.StringVar(&options.isolation, "isolation", "", "Container isolation technology")
flags.Var(&options.labels, "label", "Set metadata for an image")
flags.BoolVar(&options.noCache, "no-cache", false, "Do not use cache when building the image")
flags.BoolVar(&options.rm, "rm", true, "Remove intermediate containers after a successful build")
flags.SetAnnotation("rm", "no-buildkit", nil)
flags.BoolVar(&options.forceRm, "force-rm", false, "Always remove intermediate containers")
flags.SetAnnotation("force-rm", "no-buildkit", nil)
flags.BoolVarP(&options.quiet, "quiet", "q", false, "Suppress the build output and print image ID on success")
flags.BoolVar(&options.pull, "pull", false, "Always attempt to pull a newer version of the image")
flags.StringSliceVar(&options.cacheFrom, "cache-from", []string{}, "Images to consider as cache sources")
flags.BoolVar(&options.compress, "compress", false, "Compress the build context using gzip")
flags.SetAnnotation("compress", "no-buildkit", nil)
flags.StringSliceVar(&options.securityOpt, "security-opt", []string{}, "Security options")
flags.SetAnnotation("security-opt", "no-buildkit", nil)
flags.StringVar(&options.networkMode, "network", "default", "Set the networking mode for the RUN instructions during build")
flags.SetAnnotation("network", "version", []string{"1.25"})
flags.Var(&options.extraHosts, "add-host", "Add a custom host-to-IP mapping (host:ip)")
flags.StringVar(&options.target, "target", "", "Set the target build stage to build.")
flags.StringVar(&options.imageIDFile, "iidfile", "", "Write the image ID to the file")
command.AddTrustVerificationFlags(flags, &options.untrusted, dockerCli.ContentTrustEnabled())
flags.StringVar(&options.platform, "platform", os.Getenv("DOCKER_DEFAULT_PLATFORM"), "Set platform if server is multi-platform capable")
flags.SetAnnotation("platform", "version", []string{"1.38"})
flags.SetAnnotation("platform", "buildkit", nil)
flags.BoolVar(&options.squash, "squash", false, "Squash newly built layers into a single new layer")
flags.SetAnnotation("squash", "experimental", nil)
flags.SetAnnotation("squash", "version", []string{"1.25"})
flags.BoolVar(&options.stream, "stream", false, "Stream attaches to server to negotiate build context")
flags.MarkHidden("stream")
flags.StringVar(&options.progress, "progress", "auto", "Set type of progress output (auto, plain, tty). Use plain to show container output")
flags.SetAnnotation("progress", "buildkit", nil)
flags.StringArrayVar(&options.secrets, "secret", []string{}, "Secret file to expose to the build (only if BuildKit enabled): id=mysecret,src=/local/secret")
flags.SetAnnotation("secret", "version", []string{"1.39"})
flags.SetAnnotation("secret", "buildkit", nil)
flags.StringArrayVar(&options.ssh, "ssh", []string{}, "SSH agent socket or keys to expose to the build (only if BuildKit enabled) (format: default|<id>[=<socket>|<key>[,<key>]])")
flags.SetAnnotation("ssh", "version", []string{"1.39"})
flags.SetAnnotation("ssh", "buildkit", nil)
flags.StringArrayVarP(&options.outputs, "output", "o", []string{}, "Output destination (format: type=local,dest=path)")
flags.SetAnnotation("output", "version", []string{"1.40"})
flags.SetAnnotation("output", "buildkit", nil)
return cmd
}
// lastProgressOutput is the same as progress.Output except
// that it only output with the last update. It is used in
// non terminal scenarios to suppress verbose messages
type lastProgressOutput struct {
output progress.Output
}
// WriteProgress formats progress information from a ProgressReader.
func (out *lastProgressOutput) WriteProgress(prog progress.Progress) error {
if !prog.LastUpdate {
return nil
}
return out.output.WriteProgress(prog)
}
// nolint: gocyclo
func runBuild(dockerCli command.Cli, options buildOptions) error {
buildkitEnabled, err := command.BuildKitEnabled(dockerCli.ServerInfo())
if err != nil {
return err
}
if buildkitEnabled {
return runBuildBuildKit(dockerCli, options)
}
var (
buildCtx io.ReadCloser
dockerfileCtx io.ReadCloser
contextDir string
tempDir string
relDockerfile string
progBuff io.Writer
buildBuff io.Writer
remote string
)
if options.stream {
_, _ = fmt.Fprint(dockerCli.Err(), `DEPRECATED: The experimental --stream flag has been removed and the build context
will be sent non-streaming. Enable BuildKit instead with DOCKER_BUILDKIT=1
to stream build context, see https://docs.docker.com/go/buildkit/
`)
}
if options.dockerfileFromStdin() {
if options.contextFromStdin() {
return errStdinConflict
}
dockerfileCtx = dockerCli.In()
}
specifiedContext := options.context
progBuff = dockerCli.Out()
buildBuff = dockerCli.Out()
if options.quiet {
progBuff = bytes.NewBuffer(nil)
buildBuff = bytes.NewBuffer(nil)
}
if options.imageIDFile != "" {
// Avoid leaving a stale file if we eventually fail
if err := os.Remove(options.imageIDFile); err != nil && !os.IsNotExist(err) {
return errors.Wrap(err, "Removing image ID file")
}
}
switch {
case options.contextFromStdin():
// buildCtx is tar archive. if stdin was dockerfile then it is wrapped
buildCtx, relDockerfile, err = build.GetContextFromReader(dockerCli.In(), options.dockerfileName)
case isLocalDir(specifiedContext):
contextDir, relDockerfile, err = build.GetContextFromLocalDir(specifiedContext, options.dockerfileName)
if err == nil && strings.HasPrefix(relDockerfile, ".."+string(filepath.Separator)) {
// Dockerfile is outside of build-context; read the Dockerfile and pass it as dockerfileCtx
dockerfileCtx, err = os.Open(options.dockerfileName)
if err != nil {
return errors.Errorf("unable to open Dockerfile: %v", err)
}
defer dockerfileCtx.Close()
}
case urlutil.IsGitURL(specifiedContext):
tempDir, relDockerfile, err = build.GetContextFromGitURL(specifiedContext, options.dockerfileName)
case urlutil.IsURL(specifiedContext):
buildCtx, relDockerfile, err = build.GetContextFromURL(progBuff, specifiedContext, options.dockerfileName)
default:
return errors.Errorf("unable to prepare context: path %q not found", specifiedContext)
}
if err != nil {
if options.quiet && urlutil.IsURL(specifiedContext) {
fmt.Fprintln(dockerCli.Err(), progBuff)
}
return errors.Errorf("unable to prepare context: %s", err)
}
if tempDir != "" {
defer os.RemoveAll(tempDir)
contextDir = tempDir
}
// read from a directory into tar archive
if buildCtx == nil {
excludes, err := build.ReadDockerignore(contextDir)
if err != nil {
return err
}
if err := build.ValidateContextDirectory(contextDir, excludes); err != nil {
return errors.Errorf("error checking context: '%s'.", err)
}
// And canonicalize dockerfile name to a platform-independent one
relDockerfile = archive.CanonicalTarNameForPath(relDockerfile)
excludes = build.TrimBuildFilesFromExcludes(excludes, relDockerfile, options.dockerfileFromStdin())
buildCtx, err = archive.TarWithOptions(contextDir, &archive.TarOptions{
ExcludePatterns: excludes,
ChownOpts: &idtools.Identity{UID: 0, GID: 0},
})
if err != nil {
return err
}
}
// replace Dockerfile if it was added from stdin or a file outside the build-context, and there is archive context
if dockerfileCtx != nil && buildCtx != nil {
buildCtx, relDockerfile, err = build.AddDockerfileToBuildContext(dockerfileCtx, buildCtx)
if err != nil {
return err
}
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var resolvedTags []*resolvedTag
if !options.untrusted {
translator := func(ctx context.Context, ref reference.NamedTagged) (reference.Canonical, error) {
return TrustedReference(ctx, dockerCli, ref, nil)
}
// if there is a tar wrapper, the dockerfile needs to be replaced inside it
if buildCtx != nil {
// Wrap the tar archive to replace the Dockerfile entry with the rewritten
// Dockerfile which uses trusted pulls.
buildCtx = replaceDockerfileForContentTrust(ctx, buildCtx, relDockerfile, translator, &resolvedTags)
} else if dockerfileCtx != nil {
// if there was not archive context still do the possible replacements in Dockerfile
newDockerfile, _, err := rewriteDockerfileFromForContentTrust(ctx, dockerfileCtx, translator)
if err != nil {
return err
}
dockerfileCtx = ioutil.NopCloser(bytes.NewBuffer(newDockerfile))
}
}
if options.compress {
buildCtx, err = build.Compress(buildCtx)
if err != nil {
return err
}
}
// Setup an upload progress bar
progressOutput := streamformatter.NewProgressOutput(progBuff)
if !dockerCli.Out().IsTerminal() {
progressOutput = &lastProgressOutput{output: progressOutput}
}
// if up to this point nothing has set the context then we must have another
// way for sending it(streaming) and set the context to the Dockerfile
if dockerfileCtx != nil && buildCtx == nil {
buildCtx = dockerfileCtx
}
var body io.Reader
if buildCtx != nil {
body = progress.NewProgressReader(buildCtx, progressOutput, 0, "", "Sending build context to Docker daemon")
}
configFile := dockerCli.ConfigFile()
creds, _ := configFile.GetAllCredentials()
authConfigs := make(map[string]types.AuthConfig, len(creds))
for k, auth := range creds {
authConfigs[k] = types.AuthConfig(auth)
}
buildOptions := imageBuildOptions(dockerCli, options)
buildOptions.Version = types.BuilderV1
buildOptions.Dockerfile = relDockerfile
buildOptions.AuthConfigs = authConfigs
buildOptions.RemoteContext = remote
response, err := dockerCli.Client().ImageBuild(ctx, body, buildOptions)
if err != nil {
if options.quiet {
fmt.Fprintf(dockerCli.Err(), "%s", progBuff)
}
cancel()
return err
}
defer response.Body.Close()
imageID := ""
aux := func(msg jsonmessage.JSONMessage) {
var result types.BuildResult
if err := json.Unmarshal(*msg.Aux, &result); err != nil {
fmt.Fprintf(dockerCli.Err(), "Failed to parse aux message: %s", err)
} else {
imageID = result.ID
}
}
err = jsonmessage.DisplayJSONMessagesStream(response.Body, buildBuff, dockerCli.Out().FD(), dockerCli.Out().IsTerminal(), aux)
if err != nil {
if jerr, ok := err.(*jsonmessage.JSONError); ok {
// If no error code is set, default to 1
if jerr.Code == 0 {
jerr.Code = 1
}
if options.quiet {
fmt.Fprintf(dockerCli.Err(), "%s%s", progBuff, buildBuff)
}
return cli.StatusError{Status: jerr.Message, StatusCode: jerr.Code}
}
return err
}
// Windows: show error message about modified file permissions if the
// daemon isn't running Windows.
if response.OSType != "windows" && runtime.GOOS == "windows" && !options.quiet {
fmt.Fprintln(dockerCli.Out(), "SECURITY WARNING: You are building a Docker "+
"image from Windows against a non-Windows Docker host. All files and "+
"directories added to build context will have '-rwxr-xr-x' permissions. "+
"It is recommended to double check and reset permissions for sensitive "+
"files and directories.")
}
// Everything worked so if -q was provided the output from the daemon
// should be just the image ID and we'll print that to stdout.
if options.quiet {
imageID = fmt.Sprintf("%s", buildBuff)
_, _ = fmt.Fprint(dockerCli.Out(), imageID)
}
if options.imageIDFile != "" {
if imageID == "" {
return errors.Errorf("Server did not provide an image ID. Cannot write %s", options.imageIDFile)
}
if err := ioutil.WriteFile(options.imageIDFile, []byte(imageID), 0666); err != nil {
return err
}
}
if !options.untrusted {
// Since the build was successful, now we must tag any of the resolved
// images from the above Dockerfile rewrite.
for _, resolved := range resolvedTags {
if err := TagTrusted(ctx, dockerCli, resolved.digestRef, resolved.tagRef); err != nil {
return err
}
}
}
return nil
}
func isLocalDir(c string) bool {
_, err := os.Stat(c)
return err == nil
}
type translatorFunc func(context.Context, reference.NamedTagged) (reference.Canonical, error)
// validateTag checks if the given image name can be resolved.
func validateTag(rawRepo string) (string, error) {
_, err := reference.ParseNormalizedNamed(rawRepo)
if err != nil {
return "", err
}
return rawRepo, nil
}
var dockerfileFromLinePattern = regexp.MustCompile(`(?i)^[\s]*FROM[ \f\r\t\v]+(?P<image>[^ \f\r\t\v\n#]+)`)
// resolvedTag records the repository, tag, and resolved digest reference
// from a Dockerfile rewrite.
type resolvedTag struct {
digestRef reference.Canonical
tagRef reference.NamedTagged
}
// rewriteDockerfileFromForContentTrust rewrites the given Dockerfile by resolving images in
// "FROM <image>" instructions to a digest reference. `translator` is a
// function that takes a repository name and tag reference and returns a
// trusted digest reference.
// This should be called *only* when content trust is enabled
func rewriteDockerfileFromForContentTrust(ctx context.Context, dockerfile io.Reader, translator translatorFunc) (newDockerfile []byte, resolvedTags []*resolvedTag, err error) {
scanner := bufio.NewScanner(dockerfile)
buf := bytes.NewBuffer(nil)
// Scan the lines of the Dockerfile, looking for a "FROM" line.
for scanner.Scan() {
line := scanner.Text()
matches := dockerfileFromLinePattern.FindStringSubmatch(line)
if matches != nil && matches[1] != api.NoBaseImageSpecifier {
// Replace the line with a resolved "FROM repo@digest"
var ref reference.Named
ref, err = reference.ParseNormalizedNamed(matches[1])
if err != nil {
return nil, nil, err
}
ref = reference.TagNameOnly(ref)
if ref, ok := ref.(reference.NamedTagged); ok {
trustedRef, err := translator(ctx, ref)
if err != nil {
return nil, nil, err
}
line = dockerfileFromLinePattern.ReplaceAllLiteralString(line, fmt.Sprintf("FROM %s", reference.FamiliarString(trustedRef)))
resolvedTags = append(resolvedTags, &resolvedTag{
digestRef: trustedRef,
tagRef: ref,
})
}
}
_, err := fmt.Fprintln(buf, line)
if err != nil {
return nil, nil, err
}
}
return buf.Bytes(), resolvedTags, scanner.Err()
}
// replaceDockerfileForContentTrust wraps the given input tar archive stream and
// uses the translator to replace the Dockerfile which uses a trusted reference.
// Returns a new tar archive stream with the replaced Dockerfile.
func replaceDockerfileForContentTrust(ctx context.Context, inputTarStream io.ReadCloser, dockerfileName string, translator translatorFunc, resolvedTags *[]*resolvedTag) io.ReadCloser {
pipeReader, pipeWriter := io.Pipe()
go func() {
tarReader := tar.NewReader(inputTarStream)
tarWriter := tar.NewWriter(pipeWriter)
defer inputTarStream.Close()
for {
hdr, err := tarReader.Next()
if err == io.EOF {
// Signals end of archive.
tarWriter.Close()
pipeWriter.Close()
return
}
if err != nil {
pipeWriter.CloseWithError(err)
return
}
content := io.Reader(tarReader)
if hdr.Name == dockerfileName {
// This entry is the Dockerfile. Since the tar archive was
// generated from a directory on the local filesystem, the
// Dockerfile will only appear once in the archive.
var newDockerfile []byte
newDockerfile, *resolvedTags, err = rewriteDockerfileFromForContentTrust(ctx, content, translator)
if err != nil {
pipeWriter.CloseWithError(err)
return
}
hdr.Size = int64(len(newDockerfile))
content = bytes.NewBuffer(newDockerfile)
}
if err := tarWriter.WriteHeader(hdr); err != nil {
pipeWriter.CloseWithError(err)
return
}
if _, err := io.Copy(tarWriter, content); err != nil {
pipeWriter.CloseWithError(err)
return
}
}
}()
return pipeReader
}
func imageBuildOptions(dockerCli command.Cli, options buildOptions) types.ImageBuildOptions {
configFile := dockerCli.ConfigFile()
return types.ImageBuildOptions{
Memory: options.memory.Value(),
MemorySwap: options.memorySwap.Value(),
Tags: options.tags.GetAll(),
SuppressOutput: options.quiet,
NoCache: options.noCache,
Remove: options.rm,
ForceRemove: options.forceRm,
PullParent: options.pull,
Isolation: container.Isolation(options.isolation),
CPUSetCPUs: options.cpuSetCpus,
CPUSetMems: options.cpuSetMems,
CPUShares: options.cpuShares,
CPUQuota: options.cpuQuota,
CPUPeriod: options.cpuPeriod,
CgroupParent: options.cgroupParent,
ShmSize: options.shmSize.Value(),
Ulimits: options.ulimits.GetList(),
BuildArgs: configFile.ParseProxyConfig(dockerCli.Client().DaemonHost(), opts.ConvertKVStringsToMapWithNil(options.buildArgs.GetAll())),
Labels: opts.ConvertKVStringsToMap(options.labels.GetAll()),
CacheFrom: options.cacheFrom,
SecurityOpt: options.securityOpt,
NetworkMode: options.networkMode,
Squash: options.squash,
ExtraHosts: options.extraHosts.GetAll(),
Target: options.target,
Platform: options.platform,
}
}
func parseOutputs(inp []string) ([]types.ImageBuildOutput, error) {
var outs []types.ImageBuildOutput
if len(inp) == 0 {
return nil, nil
}
for _, s := range inp {
csvReader := csv.NewReader(strings.NewReader(s))
fields, err := csvReader.Read()
if err != nil {
return nil, err
}
if len(fields) == 1 && fields[0] == s && !strings.HasPrefix(s, "type=") {
if s == "-" {
outs = append(outs, types.ImageBuildOutput{
Type: "tar",
Attrs: map[string]string{
"dest": s,
},
})
} else {
outs = append(outs, types.ImageBuildOutput{
Type: "local",
Attrs: map[string]string{
"dest": s,
},
})
}
continue
}
out := types.ImageBuildOutput{
Attrs: map[string]string{},
}
for _, field := range fields {
parts := strings.SplitN(field, "=", 2)
if len(parts) != 2 {
return nil, errors.Errorf("invalid value %s", field)
}
key := strings.ToLower(parts[0])
value := parts[1]
switch key {
case "type":
out.Type = value
default:
out.Attrs[key] = value
}
}
if out.Type == "" {
return nil, errors.Errorf("type is required for output")
}
outs = append(outs, out)
}
return outs, nil
}