server/buildfile.go -> builder/builder.go; add maintainers file

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)

builder/MAINTAINERS

@@ -0,0 +1,2 @@
+Tibor Vass <teabee89@gmail.com> (@tiborvass)
+Erik Hollensbe <github@hollensbe.org> (@erikh)

builder/builder.go

@@ -1,4 +1,4 @@
-package server
+package builder
 
 import (
 	"crypto/sha256"
@@ -21,6 +21,7 @@ import (
 
 	"github.com/docker/docker/archive"
 	"github.com/docker/docker/daemon"
+	"github.com/docker/docker/engine"
 	"github.com/docker/docker/nat"
 	"github.com/docker/docker/pkg/symlink"
 	"github.com/docker/docker/pkg/system"
@@ -41,7 +42,7 @@ type BuildFile interface {
 
 type buildFile struct {
 	daemon *daemon.Daemon
-	srv    *Server
+	eng    *engine.Engine
 
 	image      string
 	maintainer string
@@ -96,7 +97,7 @@ func (b *buildFile) CmdFrom(name string) error {
 				resolvedAuth := b.configFile.ResolveAuthConfig(endpoint)
 				pullRegistryAuth = &resolvedAuth
 			}
-			job := b.srv.Eng.Job("pull", remote, tag)
+			job := b.eng.Job("pull", remote, tag)
 			job.SetenvBool("json", b.sf.Json())
 			job.SetenvBool("parallel", true)
 			job.SetenvJson("authConfig", pullRegistryAuth)
@@ -167,12 +168,12 @@ func (b *buildFile) CmdMaintainer(name string) error {
 
 // probeCache checks to see if image-caching is enabled (`b.utilizeCache`)
 // and if so attempts to look up the current `b.image` and `b.config` pair
-// in the current server `b.srv`. If an image is found, probeCache returns
+// in the current server `b.daemon`. If an image is found, probeCache returns
 // `(true, nil)`. If no image is found, it returns `(false, nil)`. If there
 // is any error, it returns `(false, err)`.
 func (b *buildFile) probeCache() (bool, error) {
 	if b.utilizeCache {
-		if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
+		if cache, err := b.daemon.ImageGetCached(b.image, b.config); err != nil {
 			return false, err
 		} else if cache != nil {
 			fmt.Fprintf(b.outStream, " ---> Using cache\n")
@@ -889,10 +890,10 @@ func fixPermissions(destination string, uid, gid int) error {
 	})
 }
 
-func NewBuildFile(srv *Server, outStream, errStream io.Writer, verbose, utilizeCache, rm bool, forceRm bool, outOld io.Writer, sf *utils.StreamFormatter, auth *registry.AuthConfig, authConfigFile *registry.ConfigFile) BuildFile {
+func NewBuildFile(d *daemon.Daemon, eng *engine.Engine, outStream, errStream io.Writer, verbose, utilizeCache, rm bool, forceRm bool, outOld io.Writer, sf *utils.StreamFormatter, auth *registry.AuthConfig, authConfigFile *registry.ConfigFile) BuildFile {
 	return &buildFile{
-		daemon:        srv.daemon,
-		srv:           srv,
+		daemon:        d,
+		eng:           eng,
 		config:        &runconfig.Config{},
 		outStream:     outStream,
 		errStream:     errStream,

daemon/container.go

@@ -513,7 +513,7 @@ func (container *Container) monitor(callback execdriver.StartCallback) error {
 	if container.daemon != nil && container.daemon.srv != nil && container.daemon.srv.IsRunning() {
 		// FIXME: here is race condition between two RUN instructions in Dockerfile
 		// because they share same runconfig and change image. Must be fixed
-		// in server/buildfile.go
+		// in builder/builder.go
 		if err := container.toDisk(); err != nil {
 			utils.Errorf("Error dumping container %s state to disk: %s\n", container.ID, err)
 		}

daemon/daemon.go

@@ -1099,3 +1099,35 @@ func (daemon *Daemon) checkLocaldns() error {
 	}
 	return nil
 }
+
+func (daemon *Daemon) ImageGetCached(imgID string, config *runconfig.Config) (*image.Image, error) {
+	// Retrieve all images
+	images, err := daemon.Graph().Map()
+	if err != nil {
+		return nil, err
+	}
+
+	// Store the tree in a map of map (map[parentId][childId])
+	imageMap := make(map[string]map[string]struct{})
+	for _, img := range images {
+		if _, exists := imageMap[img.Parent]; !exists {
+			imageMap[img.Parent] = make(map[string]struct{})
+		}
+		imageMap[img.Parent][img.ID] = struct{}{}
+	}
+
+	// Loop on the children of the given image and check the config
+	var match *image.Image
+	for elem := range imageMap[imgID] {
+		img, err := daemon.Graph().Get(elem)
+		if err != nil {
+			return nil, err
+		}
+		if runconfig.Compare(&img.ContainerConfig, config) {
+			if match == nil || match.Created.Before(img.Created) {
+				match = img
+			}
+		}
+	}
+	return match, nil
+}

server/server.go

@@ -46,6 +46,7 @@ import (
 	"time"
 
 	"github.com/docker/docker/archive"
+	"github.com/docker/docker/builder"
 	"github.com/docker/docker/daemon"
 	"github.com/docker/docker/daemonconfig"
 	"github.com/docker/docker/dockerversion"
@@ -534,7 +535,7 @@ func (srv *Server) Build(job *engine.Job) engine.Status {
 	defer context.Close()
 
 	sf := utils.NewStreamFormatter(job.GetenvBool("json"))
-	b := NewBuildFile(srv,
+	b := builder.NewBuildFile(srv.daemon, srv.Eng,
 		&utils.StdoutFormater{
 			Writer:          job.Stdout,
 			StreamFormatter: sf,
@@ -2058,38 +2059,6 @@ func (srv *Server) canDeleteImage(imgID string, force, untagged bool) error {
 	return nil
 }
 
-func (srv *Server) ImageGetCached(imgID string, config *runconfig.Config) (*image.Image, error) {
-	// Retrieve all images
-	images, err := srv.daemon.Graph().Map()
-	if err != nil {
-		return nil, err
-	}
-
-	// Store the tree in a map of map (map[parentId][childId])
-	imageMap := make(map[string]map[string]struct{})
-	for _, img := range images {
-		if _, exists := imageMap[img.Parent]; !exists {
-			imageMap[img.Parent] = make(map[string]struct{})
-		}
-		imageMap[img.Parent][img.ID] = struct{}{}
-	}
-
-	// Loop on the children of the given image and check the config
-	var match *image.Image
-	for elem := range imageMap[imgID] {
-		img, err := srv.daemon.Graph().Get(elem)
-		if err != nil {
-			return nil, err
-		}
-		if runconfig.Compare(&img.ContainerConfig, config) {
-			if match == nil || match.Created.Before(img.Created) {
-				match = img
-			}
-		}
-	}
-	return match, nil
-}
-
 func (srv *Server) setHostConfig(container *daemon.Container, hostConfig *runconfig.HostConfig) error {
 	// Validate the HostConfig binds. Make sure that:
 	// the source exists