buildx/cmd/buildx/main.go
CrazyMax 7b8bf9f801
cmd: support cli environment variables in standalone mode
Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
2025-04-04 15:13:25 +02:00

124 lines
3.2 KiB
Go

package main
import (
"context"
"fmt"
"os"
"path/filepath"
"github.com/docker/buildx/commands"
controllererrors "github.com/docker/buildx/controller/errdefs"
"github.com/docker/buildx/util/desktop"
"github.com/docker/buildx/version"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli-plugins/metadata"
"github.com/docker/cli/cli-plugins/plugin"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/debug"
"github.com/moby/buildkit/solver/errdefs"
"github.com/moby/buildkit/util/stack"
"github.com/pkg/errors"
"go.opentelemetry.io/otel"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
_ "github.com/docker/buildx/driver/docker"
_ "github.com/docker/buildx/driver/docker-container"
_ "github.com/docker/buildx/driver/kubernetes"
_ "github.com/docker/buildx/driver/remote"
// Use custom grpc codec to utilize vtprotobuf
_ "github.com/moby/buildkit/util/grpcutil/encoding/proto"
)
func init() {
stack.SetVersionInfo(version.Version, version.Revision)
}
func runStandalone(cmd *command.DockerCli) error {
defer flushMetrics(cmd)
executable := os.Args[0]
rootCmd := commands.NewRootCmd(filepath.Base(executable), false, cmd)
return rootCmd.Execute()
}
// flushMetrics will manually flush metrics from the configured
// meter provider. This is needed when running in standalone mode
// because the meter provider is initialized by the cli library,
// but the mechanism for forcing it to report is not presently
// exposed and not invoked when run in standalone mode.
// There are plans to fix that in the next release, but this is
// needed temporarily until the API for this is more thorough.
func flushMetrics(cmd *command.DockerCli) {
if mp, ok := cmd.MeterProvider().(command.MeterProvider); ok {
if err := mp.ForceFlush(context.Background()); err != nil {
otel.Handle(err)
}
}
}
func runPlugin(cmd *command.DockerCli) error {
rootCmd := commands.NewRootCmd("buildx", true, cmd)
return plugin.RunPlugin(cmd, rootCmd, metadata.Metadata{
SchemaVersion: "0.1.0",
Vendor: "Docker Inc.",
Version: version.Version,
})
}
func run(cmd *command.DockerCli) error {
stopProfiles := setupDebugProfiles(context.TODO())
defer stopProfiles()
if plugin.RunningStandalone() {
return runStandalone(cmd)
}
return runPlugin(cmd)
}
func main() {
cmd, err := command.NewDockerCli()
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err = run(cmd); err == nil {
return
}
// Check the error from the run function above.
if sterr, ok := err.(cli.StatusError); ok {
if sterr.Status != "" {
fmt.Fprintln(cmd.Err(), sterr.Status)
}
// StatusError should only be used for errors, and all errors should
// have a non-zero exit status, so never exit with 0
if sterr.StatusCode == 0 {
os.Exit(1)
}
os.Exit(sterr.StatusCode)
}
for _, s := range errdefs.Sources(err) {
s.Print(cmd.Err())
}
if debug.IsEnabled() {
fmt.Fprintf(cmd.Err(), "ERROR: %+v", stack.Formatter(err))
} else {
fmt.Fprintf(cmd.Err(), "ERROR: %v\n", err)
}
var ebr *desktop.ErrorWithBuildRef
if errors.As(err, &ebr) {
ebr.Print(cmd.Err())
} else {
var be *controllererrors.BuildError
if errors.As(err, &be) {
be.PrintBuildDetails(cmd.Err())
}
}
os.Exit(1)
}