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https://gitea.com/Lydanne/buildx.git
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90d7fb5e77
Strongly typing the API allows us to perform all command line parsing fully on the client-side, where we have access to the client local directory and all the client environment variables, which may not be available on the remote server. Additionally, the controller api starts to look a lot like build.Options, so at some point in the future there may be an oppportunity to merge the two, which would allow both build and bake to execute through the controller, instead of needing to maintain multiple code paths. Signed-off-by: Justin Chadwell <me@jedevc.com>
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package pb
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import (
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"io"
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"os"
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"strconv"
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"github.com/containerd/console"
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"github.com/moby/buildkit/client"
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"github.com/pkg/errors"
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)
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func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
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var outs []client.ExportEntry
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if len(entries) == 0 {
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return nil, nil
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}
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for _, entry := range entries {
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if entry.Type == "" {
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return nil, errors.Errorf("type is required for output")
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}
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out := client.ExportEntry{
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Type: entry.Type,
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Attrs: map[string]string{},
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}
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for k, v := range entry.Attrs {
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out.Attrs[k] = v
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}
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supportFile := false
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supportDir := false
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switch out.Type {
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case client.ExporterLocal:
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supportDir = true
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case client.ExporterTar:
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supportFile = true
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case client.ExporterOCI, client.ExporterDocker:
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tar, err := strconv.ParseBool(out.Attrs["tar"])
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if err != nil {
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tar = true
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}
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supportFile = tar
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supportDir = !tar
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case "registry":
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out.Type = client.ExporterImage
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}
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if supportDir {
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if entry.Destination == "" {
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return nil, errors.Errorf("dest is required for %s exporter", out.Type)
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}
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if entry.Destination == "-" {
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return nil, errors.Errorf("dest cannot be stdout for %s exporter", out.Type)
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}
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fi, err := os.Stat(entry.Destination)
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if err != nil && !os.IsNotExist(err) {
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return nil, errors.Wrapf(err, "invalid destination directory: %s", entry.Destination)
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}
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if err == nil && !fi.IsDir() {
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return nil, errors.Errorf("destination directory %s is a file", entry.Destination)
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}
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out.OutputDir = entry.Destination
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}
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if supportFile {
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if entry.Destination == "" && out.Type != client.ExporterDocker {
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entry.Destination = "-"
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}
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if entry.Destination == "-" {
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if _, err := console.ConsoleFromFile(os.Stdout); err == nil {
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return nil, errors.Errorf("dest file is required for %s exporter. refusing to write to console", out.Type)
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}
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out.Output = wrapWriteCloser(os.Stdout)
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} else if entry.Destination != "" {
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fi, err := os.Stat(entry.Destination)
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if err != nil && !os.IsNotExist(err) {
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return nil, errors.Wrapf(err, "invalid destination file: %s", entry.Destination)
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}
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if err == nil && fi.IsDir() {
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return nil, errors.Errorf("destination file %s is a directory", entry.Destination)
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}
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f, err := os.Create(entry.Destination)
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if err != nil {
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return nil, errors.Errorf("failed to open %s", err)
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}
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out.Output = wrapWriteCloser(f)
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}
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}
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outs = append(outs, out)
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}
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return outs, nil
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}
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func wrapWriteCloser(wc io.WriteCloser) func(map[string]string) (io.WriteCloser, error) {
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return func(map[string]string) (io.WriteCloser, error) {
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return wc, nil
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}
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}
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