dotcloud/docker

package build // import "github.com/docker/docker/api/server/router/build"

import (
    "runtime"

    "github.com/docker/docker/api/server/router"
    "github.com/docker/docker/api/types"
)

// buildRouter is a router to talk with the build controller
type buildRouter struct {
    backend Backend
    daemon  experimentalProvider
    routes  []router.Route
}

// NewRouter initializes a new build router
func NewRouter(b Backend, d experimentalProvider) router.Router {
    r := &buildRouter{
        backend: b,
        daemon:  d,
    }
    r.initRoutes()
    return r
}

// Routes returns the available routers to the build controller
func (r *buildRouter) Routes() []router.Route {
    return r.routes
}

func (r *buildRouter) initRoutes() {
    r.routes = []router.Route{
        router.NewPostRoute("/build", r.postBuild),
        router.NewPostRoute("/build/prune", r.postPrune),
        router.NewPostRoute("/build/cancel", r.postCancel),
    }
}

// BuilderVersion derives the default docker builder version from the config.
//
// The default on Linux is version "2" (BuildKit), but the daemon can be
// configured to recommend version "1" (classic Builder). Windows does not
// yet support BuildKit for native Windows images, and uses "1" (classic builder)
// as a default.
//
// This value is only a recommendation as advertised by the daemon, and it is
// up to the client to choose which builder to use.
func BuilderVersion(features map[string]bool) types.BuilderVersion {
    // TODO(thaJeztah) move the default to daemon/config
    if runtime.GOOS == "windows" {
        return types.BuilderV1
    }

    bv := types.BuilderBuildKit
    if v, ok := features["buildkit"]; ok && !v {
        bv = types.BuilderV1
    }
    return bv
}