mirror of
https://github.com/moby/moby.git
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1009e6a40b
Fixes case sensitivity issue Signed-off-by: Derek McGowan <derek@mcgstyle.net>
253 lines
7.8 KiB
Go
253 lines
7.8 KiB
Go
package build
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"runtime"
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"strconv"
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"strings"
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"sync"
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apierrors "github.com/docker/docker/api/errors"
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"github.com/docker/docker/api/server/httputils"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/backend"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/pkg/ioutils"
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"github.com/docker/docker/pkg/progress"
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"github.com/docker/docker/pkg/streamformatter"
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units "github.com/docker/go-units"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"golang.org/x/net/context"
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)
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func newImageBuildOptions(ctx context.Context, r *http.Request) (*types.ImageBuildOptions, error) {
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version := httputils.VersionFromContext(ctx)
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options := &types.ImageBuildOptions{}
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if httputils.BoolValue(r, "forcerm") && versions.GreaterThanOrEqualTo(version, "1.12") {
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options.Remove = true
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} else if r.FormValue("rm") == "" && versions.GreaterThanOrEqualTo(version, "1.12") {
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options.Remove = true
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} else {
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options.Remove = httputils.BoolValue(r, "rm")
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}
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if httputils.BoolValue(r, "pull") && versions.GreaterThanOrEqualTo(version, "1.16") {
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options.PullParent = true
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}
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options.Dockerfile = r.FormValue("dockerfile")
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options.SuppressOutput = httputils.BoolValue(r, "q")
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options.NoCache = httputils.BoolValue(r, "nocache")
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options.ForceRemove = httputils.BoolValue(r, "forcerm")
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options.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
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options.Memory = httputils.Int64ValueOrZero(r, "memory")
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options.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
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options.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
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options.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
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options.CPUSetCPUs = r.FormValue("cpusetcpus")
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options.CPUSetMems = r.FormValue("cpusetmems")
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options.CgroupParent = r.FormValue("cgroupparent")
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options.NetworkMode = r.FormValue("networkmode")
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options.Tags = r.Form["t"]
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options.ExtraHosts = r.Form["extrahosts"]
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options.SecurityOpt = r.Form["securityopt"]
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options.Squash = httputils.BoolValue(r, "squash")
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options.Target = r.FormValue("target")
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options.RemoteContext = r.FormValue("remote")
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if r.Form.Get("shmsize") != "" {
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shmSize, err := strconv.ParseInt(r.Form.Get("shmsize"), 10, 64)
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if err != nil {
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return nil, err
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}
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options.ShmSize = shmSize
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}
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if i := container.Isolation(r.FormValue("isolation")); i != "" {
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if !container.Isolation.IsValid(i) {
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return nil, fmt.Errorf("Unsupported isolation: %q", i)
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}
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options.Isolation = i
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}
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if runtime.GOOS != "windows" && options.SecurityOpt != nil {
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return nil, fmt.Errorf("The daemon on this platform does not support setting security options on build")
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}
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var buildUlimits = []*units.Ulimit{}
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ulimitsJSON := r.FormValue("ulimits")
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if ulimitsJSON != "" {
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if err := json.Unmarshal([]byte(ulimitsJSON), &buildUlimits); err != nil {
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return nil, err
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}
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options.Ulimits = buildUlimits
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}
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// Note that there are two ways a --build-arg might appear in the
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// json of the query param:
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// "foo":"bar"
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// and "foo":nil
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// The first is the normal case, ie. --build-arg foo=bar
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// or --build-arg foo
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// where foo's value was picked up from an env var.
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// The second ("foo":nil) is where they put --build-arg foo
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// but "foo" isn't set as an env var. In that case we can't just drop
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// the fact they mentioned it, we need to pass that along to the builder
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// so that it can print a warning about "foo" being unused if there is
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// no "ARG foo" in the Dockerfile.
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buildArgsJSON := r.FormValue("buildargs")
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if buildArgsJSON != "" {
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var buildArgs = map[string]*string{}
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if err := json.Unmarshal([]byte(buildArgsJSON), &buildArgs); err != nil {
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return nil, err
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}
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options.BuildArgs = buildArgs
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}
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labelsJSON := r.FormValue("labels")
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if labelsJSON != "" {
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var labels = map[string]string{}
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if err := json.Unmarshal([]byte(labelsJSON), &labels); err != nil {
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return nil, err
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}
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options.Labels = labels
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}
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cacheFromJSON := r.FormValue("cachefrom")
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if cacheFromJSON != "" {
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var cacheFrom = []string{}
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if err := json.Unmarshal([]byte(cacheFromJSON), &cacheFrom); err != nil {
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return nil, err
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}
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options.CacheFrom = cacheFrom
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}
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options.SessionID = r.FormValue("session")
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return options, nil
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}
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func (br *buildRouter) postPrune(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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report, err := br.backend.PruneCache(ctx)
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if err != nil {
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return err
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}
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return httputils.WriteJSON(w, http.StatusOK, report)
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}
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func (br *buildRouter) postBuild(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
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var (
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notVerboseBuffer = bytes.NewBuffer(nil)
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version = httputils.VersionFromContext(ctx)
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)
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w.Header().Set("Content-Type", "application/json")
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output := ioutils.NewWriteFlusher(w)
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defer output.Close()
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errf := func(err error) error {
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if httputils.BoolValue(r, "q") && notVerboseBuffer.Len() > 0 {
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output.Write(notVerboseBuffer.Bytes())
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}
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// Do not write the error in the http output if it's still empty.
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// This prevents from writing a 200(OK) when there is an internal error.
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if !output.Flushed() {
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return err
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}
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_, err = w.Write(streamformatter.FormatError(err))
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if err != nil {
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logrus.Warnf("could not write error response: %v", err)
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}
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return nil
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}
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buildOptions, err := newImageBuildOptions(ctx, r)
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if err != nil {
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return errf(err)
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}
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buildOptions.AuthConfigs = getAuthConfigs(r.Header)
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if buildOptions.Squash && !br.daemon.HasExperimental() {
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return apierrors.NewBadRequestError(
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errors.New("squash is only supported with experimental mode"))
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}
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out := io.Writer(output)
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if buildOptions.SuppressOutput {
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out = notVerboseBuffer
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}
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// Currently, only used if context is from a remote url.
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// Look at code in DetectContextFromRemoteURL for more information.
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createProgressReader := func(in io.ReadCloser) io.ReadCloser {
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progressOutput := streamformatter.NewJSONProgressOutput(out, true)
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return progress.NewProgressReader(in, progressOutput, r.ContentLength, "Downloading context", buildOptions.RemoteContext)
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}
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wantAux := versions.GreaterThanOrEqualTo(version, "1.30")
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imgID, err := br.backend.Build(ctx, backend.BuildConfig{
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Source: r.Body,
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Options: buildOptions,
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ProgressWriter: buildProgressWriter(out, wantAux, createProgressReader),
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})
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if err != nil {
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return errf(err)
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}
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// Everything worked so if -q was provided the output from the daemon
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// should be just the image ID and we'll print that to stdout.
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if buildOptions.SuppressOutput {
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fmt.Fprintln(streamformatter.NewStdoutWriter(output), imgID)
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}
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return nil
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}
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func getAuthConfigs(header http.Header) map[string]types.AuthConfig {
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authConfigs := map[string]types.AuthConfig{}
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authConfigsEncoded := header.Get("X-Registry-Config")
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if authConfigsEncoded == "" {
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return authConfigs
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}
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authConfigsJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authConfigsEncoded))
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// Pulling an image does not error when no auth is provided so to remain
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// consistent with the existing api decode errors are ignored
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json.NewDecoder(authConfigsJSON).Decode(&authConfigs)
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return authConfigs
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}
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type syncWriter struct {
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w io.Writer
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mu sync.Mutex
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}
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func (s *syncWriter) Write(b []byte) (count int, err error) {
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s.mu.Lock()
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count, err = s.w.Write(b)
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s.mu.Unlock()
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return
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}
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func buildProgressWriter(out io.Writer, wantAux bool, createProgressReader func(io.ReadCloser) io.ReadCloser) backend.ProgressWriter {
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out = &syncWriter{w: out}
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var aux *streamformatter.AuxFormatter
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if wantAux {
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aux = &streamformatter.AuxFormatter{Writer: out}
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}
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return backend.ProgressWriter{
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Output: out,
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StdoutFormatter: streamformatter.NewStdoutWriter(out),
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StderrFormatter: streamformatter.NewStderrWriter(out),
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AuxFormatter: aux,
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ProgressReaderFunc: createProgressReader,
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}
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}
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