containerd/cmd/containerd/config.go
Lantao Liu 3d6fe5ad18 Print default plugin config.
Signed-off-by: Lantao Liu <lantaol@google.com>
2018-01-19 22:51:32 +00:00

54 lines
1.2 KiB
Go

package main
import (
"io"
"os"
"github.com/BurntSushi/toml"
"github.com/containerd/containerd/server"
"github.com/urfave/cli"
)
// Config is a wrapper of server config for printing out.
type Config struct {
*server.Config
// Plugins overrides `Plugins map[string]toml.Primitive` in server config.
Plugins map[string]interface{} `toml:"plugins"`
}
// WriteTo marshals the config to the provided writer
func (c *Config) WriteTo(w io.Writer) (int64, error) {
return 0, toml.NewEncoder(w).Encode(c)
}
var configCommand = cli.Command{
Name: "config",
Usage: "information on the containerd config",
Subcommands: []cli.Command{
{
Name: "default",
Usage: "see the output of the default config",
Action: func(context *cli.Context) error {
config := &Config{
Config: defaultConfig(),
}
plugins, err := server.LoadPlugins(config.Config)
if err != nil {
return err
}
if len(plugins) != 0 {
config.Plugins = make(map[string]interface{})
for _, p := range plugins {
if p.Config == nil {
continue
}
config.Plugins[p.ID] = p.Config
}
}
_, err = config.WriteTo(os.Stdout)
return err
},
},
},
}