195919d9d6
This introduces a PRODUCT environment variable that is used to set a constant at dockerversion.ProductName. That is then used to set BuildKit's ExportedProduct variable in order to show useful error messages to users when a certain version of the product doesn't support a BuildKit feature. Signed-off-by: Tibor Vass <tibor@docker.com>
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"runtime"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/dockerversion"
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"github.com/docker/docker/pkg/reexec"
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"github.com/docker/docker/pkg/term"
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"github.com/moby/buildkit/util/apicaps"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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func newDaemonCommand() *cobra.Command {
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opts := newDaemonOptions(config.New())
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cmd := &cobra.Command{
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Use: "dockerd [OPTIONS]",
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Short: "A self-sufficient runtime for containers.",
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SilenceUsage: true,
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SilenceErrors: true,
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.flags = cmd.Flags()
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return runDaemon(opts)
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},
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DisableFlagsInUseLine: true,
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Version: fmt.Sprintf("%s, build %s", dockerversion.Version, dockerversion.GitCommit),
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}
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cli.SetupRootCommand(cmd)
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flags := cmd.Flags()
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flags.BoolP("version", "v", false, "Print version information and quit")
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flags.StringVar(&opts.configFile, "config-file", defaultDaemonConfigFile, "Daemon configuration file")
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opts.InstallFlags(flags)
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installConfigFlags(opts.daemonConfig, flags)
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installServiceFlags(flags)
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return cmd
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}
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func init() {
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if dockerversion.ProductName != "" {
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apicaps.ExportedProduct = dockerversion.ProductName
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}
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}
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func main() {
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if reexec.Init() {
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return
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}
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// Set terminal emulation based on platform as required.
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_, stdout, stderr := term.StdStreams()
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// @jhowardmsft - maybe there is a historic reason why on non-Windows, stderr is used
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// here. However, on Windows it makes no sense and there is no need.
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if runtime.GOOS == "windows" {
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logrus.SetOutput(stdout)
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} else {
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logrus.SetOutput(stderr)
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}
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cmd := newDaemonCommand()
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cmd.SetOutput(stdout)
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if err := cmd.Execute(); err != nil {
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fmt.Fprintf(stderr, "%s\n", err)
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os.Exit(1)
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}
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}
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