docker/builtins/builtins.go

76 строки
2.1 KiB
Go

package builtins
import (
"runtime"
"github.com/dotcloud/docker/api"
apiserver "github.com/dotcloud/docker/api/server"
"github.com/dotcloud/docker/daemon/networkdriver/bridge"
"github.com/dotcloud/docker/dockerversion"
"github.com/dotcloud/docker/engine"
"github.com/dotcloud/docker/registry"
"github.com/dotcloud/docker/server"
"github.com/dotcloud/docker/utils"
)
func Register(eng *engine.Engine) error {
if err := daemon(eng); err != nil {
return err
}
if err := remote(eng); err != nil {
return err
}
if err := eng.Register("version", dockerVersion); err != nil {
return err
}
return registry.NewService().Install(eng)
}
// remote: a RESTful api for cross-docker communication
func remote(eng *engine.Engine) error {
if err := eng.Register("serveapi", apiserver.ServeApi); err != nil {
return err
}
return eng.Register("acceptconnections", apiserver.AcceptConnections)
}
// daemon: a default execution and storage backend for Docker on Linux,
// with the following underlying components:
//
// * Pluggable storage drivers including aufs, vfs, lvm and btrfs.
// * Pluggable execution drivers including lxc and chroot.
//
// In practice `daemon` still includes most core Docker components, including:
//
// * The reference registry client implementation
// * Image management
// * The build facility
// * Logging
//
// These components should be broken off into plugins of their own.
//
func daemon(eng *engine.Engine) error {
if err := eng.Register("initserver", server.InitServer); err != nil {
return err
}
return eng.Register("init_networkdriver", bridge.InitDriver)
}
// builtins jobs independent of any subsystem
func dockerVersion(job *engine.Job) engine.Status {
v := &engine.Env{}
v.SetJson("Version", dockerversion.VERSION)
v.SetJson("ApiVersion", api.APIVERSION)
v.Set("GitCommit", dockerversion.GITCOMMIT)
v.Set("GoVersion", runtime.Version())
v.Set("Os", runtime.GOOS)
v.Set("Arch", runtime.GOARCH)
if kernelVersion, err := utils.GetKernelVersion(); err == nil {
v.Set("KernelVersion", kernelVersion.String())
}
if _, err := v.WriteTo(job.Stdout); err != nil {
return job.Error(err)
}
return engine.StatusOK
}