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build: enhance metadata json output

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Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
This commit is contained in:
CrazyMax 2022-02-11 08:15:47 +01:00
parent 60a025b227
commit 299fd19c49
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GPG Key ID: 3248E46B6BB8C7F7
2 changed files with 42 additions and 16 deletions
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19
commands/bake.go
View File

@ -13,7 +13,6 @@ import (
"github.com/docker/buildx/util/progress" "github.com/docker/buildx/util/progress"
"github.com/docker/buildx/util/tracing" "github.com/docker/buildx/util/tracing"
"github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command"
"github.com/docker/docker/pkg/ioutils"
"github.com/moby/buildkit/util/appcontext" "github.com/moby/buildkit/util/appcontext"
"github.com/pkg/errors" "github.com/pkg/errors"
"github.com/spf13/cobra" "github.com/spf13/cobra"
@ -152,18 +151,22 @@ func runBake(dockerCli command.Cli, targets []string, in bakeOptions) (err error
} }
if len(in.metadataFile) > 0 && resp != nil { if len(in.metadataFile) > 0 && resp != nil {
mdata := map[string]map[string]string{} if len(resp) == 1 {
for k, r := range resp { for _, r := range resp {
mdata[k] = r.ExporterResponse if err := writeMetadataFile(in.metadataFile, decodeExporterResponse(r.ExporterResponse)); err != nil {
}
mdatab, err := json.MarshalIndent(mdata, "", " ")
if err != nil {
return err return err
} }
if err := ioutils.AtomicWriteFile(in.metadataFile, mdatab, 0644); err != nil { }
} else {
dt := make(map[string]interface{})
for t, r := range resp {
dt[t] = decodeExporterResponse(r.ExporterResponse)
}
if err := writeMetadataFile(in.metadataFile, dt); err != nil {
return err return err
} }
} }
}
return err return err
} }

33
commands/build.go
View File

@ -3,6 +3,7 @@ package commands
import ( import (
"bytes" "bytes"
"context" "context"
"encoding/base64"
"encoding/json" "encoding/json"
"fmt" "fmt"
"io" "io"
@ -251,11 +252,7 @@ func buildTargets(ctx context.Context, dockerCli command.Cli, opts map[string]bu
} }
if len(metadataFile) > 0 && resp != nil { if len(metadataFile) > 0 && resp != nil {
mdatab, err := json.MarshalIndent(resp[defaultTargetName].ExporterResponse, "", " ") if err := writeMetadataFile(metadataFile, decodeExporterResponse(resp[defaultTargetName].ExporterResponse)); err != nil {
if err != nil {
return "", err
}
if err := ioutils.AtomicWriteFile(metadataFile, mdatab, 0644); err != nil {
return "", err return "", err
} }
} }
@ -496,6 +493,32 @@ func parseContextNames(values []string) (map[string]string, error) {
return result, nil return result, nil
} }
func writeMetadataFile(filename string, dt interface{}) error {
b, err := json.MarshalIndent(dt, "", " ")
if err != nil {
return err
}
return ioutils.AtomicWriteFile(filename, b, 0644)
}
func decodeExporterResponse(exporterResponse map[string]string) map[string]interface{} {
out := make(map[string]interface{})
for k, v := range exporterResponse {
dt, err := base64.StdEncoding.DecodeString(v)
if err != nil {
out[k] = v
continue
}
var raw map[string]interface{}
if err = json.Unmarshal(dt, &raw); err != nil || len(raw) == 0 {
out[k] = v
continue
}
out[k] = json.RawMessage(dt)
}
return out
}
func wrapBuildError(err error) error { func wrapBuildError(err error) error {
if err == nil { if err == nil {
return nil return nil