build: support local state group

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

bake/bake.go

@@ -21,7 +21,6 @@ import (
 	"github.com/docker/cli/cli/config"
 	hcl "github.com/hashicorp/hcl/v2"
 	"github.com/moby/buildkit/client/llb"
-	"github.com/moby/buildkit/identity"
 	"github.com/moby/buildkit/session/auth/authprovider"
 	"github.com/pkg/errors"
 	"github.com/zclconf/go-cty/cty"
@@ -1104,7 +1103,6 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
 
 	bo := &build.Options{
 		Inputs:        bi,
-		Ref:           identity.NewID(),
 		Tags:          t.Tags,
 		BuildArgs:     args,
 		Labels:        labels,

build/build.go

@@ -95,6 +95,7 @@ type Options struct {
 	Linked       bool // Linked marks this target as exclusively linked (not requested by the user).
 	PrintFunc    *PrintFunc
 	SourcePolicy *spb.Policy
+	GroupRef     string
 }
 
 type PrintFunc struct {

build/localstate.go

@@ -28,17 +28,16 @@ func saveLocalState(so *client.SolveOpt, target string, opts Options, node build
 				return err
 			}
 		}
-		ls, err := localstate.New(configDir)
+		l, err := localstate.New(configDir)
 		if err != nil {
 			return err
 		}
-		if err := ls.SaveRef(node.Builder, node.Name, so.Ref, localstate.State{
+		return l.SaveRef(node.Builder, node.Name, so.Ref, localstate.State{
 			Target:         target,
 			LocalPath:      lp,
 			DockerfilePath: dp,
-		}); err != nil {
-			return err
-		}
+			GroupRef:       opts.GroupRef,
+		})
 	}
 	return nil
 }

commands/bake.go

@@ -11,6 +11,7 @@ import (
 	"github.com/docker/buildx/bake"
 	"github.com/docker/buildx/build"
 	"github.com/docker/buildx/builder"
+	"github.com/docker/buildx/localstate"
 	"github.com/docker/buildx/util/buildflags"
 	"github.com/docker/buildx/util/cobrautil/completion"
 	"github.com/docker/buildx/util/confutil"
@@ -19,6 +20,7 @@ import (
 	"github.com/docker/buildx/util/progress"
 	"github.com/docker/buildx/util/tracing"
 	"github.com/docker/cli/cli/command"
+	"github.com/moby/buildkit/identity"
 	"github.com/moby/buildkit/util/appcontext"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -181,14 +183,16 @@ func runBake(dockerCli command.Cli, targets []string, in bakeOptions, cFlags com
 		return err
 	}
 
+	def := struct {
+		Group  map[string]*bake.Group  `json:"group,omitempty"`
+		Target map[string]*bake.Target `json:"target"`
+	}{
+		Group:  grps,
+		Target: tgts,
+	}
+
 	if in.printOnly {
-		dt, err := json.MarshalIndent(struct {
-			Group  map[string]*bake.Group  `json:"group,omitempty"`
-			Target map[string]*bake.Target `json:"target"`
-		}{
-			grps,
-			tgts,
-		}, "", "  ")
+		dt, err := json.MarshalIndent(def, "", "  ")
 		if err != nil {
 			return err
 		}
@@ -201,6 +205,28 @@ func runBake(dockerCli command.Cli, targets []string, in bakeOptions, cFlags com
 		return nil
 	}
 
+	// local state group
+	groupRef := identity.NewID()
+	var refs []string
+	for k, b := range bo {
+		b.Ref = identity.NewID()
+		b.GroupRef = groupRef
+		refs = append(refs, b.Ref)
+		bo[k] = b
+	}
+	dt, err := json.Marshal(def)
+	if err != nil {
+		return err
+	}
+	if err := saveLocalStateGroup(dockerCli, groupRef, localstate.StateGroup{
+		Definition: dt,
+		Targets:    targets,
+		Inputs:     overrides,
+		Refs:       refs,
+	}); err != nil {
+		return err
+	}
+
 	resp, err := build.Build(ctx, nodes, bo, dockerutil.NewClient(dockerCli), confutil.ConfigDir(dockerCli), printer)
 	if err != nil {
 		return wrapBuildError(err, true)
@@ -257,3 +283,11 @@ func bakeCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
 
 	return cmd
 }
+
+func saveLocalStateGroup(dockerCli command.Cli, ref string, lsg localstate.StateGroup) error {
+	l, err := localstate.New(confutil.ConfigDir(dockerCli))
+	if err != nil {
+		return err
+	}
+	return l.SaveGroup(ref, lsg)
+}

controller/build/build.go

@@ -66,6 +66,7 @@ func RunBuild(ctx context.Context, dockerCli command.Cli, in controllerapi.Build
 		Tags:          in.Tags,
 		Target:        in.Target,
 		Ulimits:       controllerUlimitOpt2DockerUlimit(in.Ulimits),
+		GroupRef:      in.GroupRef,
 	}
 
 	platforms, err := platformutil.Parse(in.Platforms)

controller/pb/controller.pb.go

@@ -300,6 +300,7 @@ type BuildOptions struct {
 	ExportLoad           bool                 `protobuf:"varint,27,opt,name=ExportLoad,proto3" json:"ExportLoad,omitempty"`
 	SourcePolicy         *pb.Policy           `protobuf:"bytes,28,opt,name=SourcePolicy,proto3" json:"SourcePolicy,omitempty"`
 	Ref                  string               `protobuf:"bytes,29,opt,name=Ref,proto3" json:"Ref,omitempty"`
+	GroupRef             string               `protobuf:"bytes,30,opt,name=GroupRef,proto3" json:"GroupRef,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
 	XXX_unrecognized     []byte               `json:"-"`
 	XXX_sizecache        int32                `json:"-"`
@@ -532,6 +533,13 @@ func (m *BuildOptions) GetRef() string {
 	return ""
 }
 
+func (m *BuildOptions) GetGroupRef() string {
+	if m != nil {
+		return m.GroupRef
+	}
+	return ""
+}
+
 type ExportEntry struct {
 	Type                 string            `protobuf:"bytes,1,opt,name=Type,proto3" json:"Type,omitempty"`
 	Attrs                map[string]string `protobuf:"bytes,2,rep,name=Attrs,proto3" json:"Attrs,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
@@ -2062,126 +2070,127 @@ func init() {
 func init() { proto.RegisterFile("controller.proto", fileDescriptor_ed7f10298fa1d90f) }
 
 var fileDescriptor_ed7f10298fa1d90f = []byte{
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+	0x07, 0x32, 0x01, 0x0b, 0x87, 0x81, 0x27, 0x4c, 0xf6, 0x7d, 0x96, 0xf5, 0x85, 0x30, 0x9e, 0x08,
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+	0x63, 0x1e, 0x92, 0x88, 0x04, 0x51, 0x8a, 0xbb, 0x25, 0xf9, 0x19, 0x34, 0x9e, 0x08, 0xe7, 0x05,
+	0xac, 0x5f, 0xb7, 0xbe, 0x20, 0xb4, 0x2f, 0xa1, 0x9a, 0xb0, 0xa2, 0xee, 0xed, 0x71, 0x5b, 0x01,
+	0xca, 0x44, 0x2e, 0x65, 0xac, 0xf1, 0x46, 0x56, 0xb5, 0x0f, 0xe7, 0x13, 0xa8, 0x29, 0xd3, 0xf1,
+	0x09, 0xfe, 0x29, 0x07, 0xa5, 0xc8, 0xc4, 0x76, 0x2a, 0xee, 0x67, 0x59, 0x71, 0xcf, 0x87, 0xfc,
+	0x1a, 0x0a, 0xb2, 0x7e, 0x98, 0x90, 0x33, 0x86, 0x89, 0x76, 0x3f, 0x41, 0x93, 0x70, 0xf4, 0x2d,
+	0x14, 0x09, 0xe5, 0x72, 0xf0, 0xd1, 0x9f, 0x08, 0xcf, 0x17, 0x13, 0x35, 0x66, 0x46, 0x36, 0x24,
+	0x49, 0xef, 0x78, 0x83, 0xc0, 0xf5, 0x71, 0x61, 0x19, 0x5d, 0x63, 0x12, 0x74, 0xad, 0x98, 0x1d,
+	0xf7, 0x5f, 0x2c, 0xa8, 0x2e, 0x3d, 0xea, 0xe5, 0x1f, 0x71, 0x73, 0x1f, 0x96, 0xf9, 0xff, 0xf1,
+	0xc3, 0xf2, 0xcf, 0xb9, 0xb4, 0x21, 0x35, 0x03, 0xc9, 0xfb, 0x34, 0x66, 0x5e, 0x20, 0x4c, 0xca,
+	0x26, 0x34, 0x72, 0xa3, 0xad, 0x51, 0xdf, 0x14, 0x7d, 0xb9, 0x94, 0xd7, 0xec, 0x88, 0x49, 0x5d,
+	0x55, 0xa5, 0x81, 0x16, 0x66, 0x25, 0x3d, 0x6f, 0x4a, 0xba, 0x4c, 0x8d, 0x0f, 0x9c, 0x86, 0xea,
+	0xe0, 0x2a, 0x44, 0xad, 0x65, 0x15, 0x3f, 0x62, 0x4a, 0xbb, 0xa2, 0xc8, 0x46, 0x52, 0x5e, 0x2e,
+	0xfb, 0xb8, 0xa8, 0x8f, 0xa3, 0x75, 0x19, 0x79, 0xb9, 0xec, 0xe3, 0x52, 0xec, 0xe5, 0x52, 0x79,
+	0x39, 0x15, 0x53, 0x5c, 0xd6, 0x09, 0x78, 0x2a, 0xa6, 0xb2, 0xcd, 0x10, 0xe6, 0xfb, 0x5d, 0xb7,
+	0x37, 0xc4, 0x15, 0xdd, 0xdf, 0x22, 0x59, 0x4e, 0x8b, 0xf2, 0xcc, 0x3d, 0xd7, 0x57, 0xdf, 0x15,
+	0x65, 0x12, 0x89, 0xce, 0x0e, 0x54, 0xe2, 0x54, 0x91, 0x9d, 0xab, 0xdd, 0x57, 0xaf, 0xa2, 0x46,
+	0x72, 0xed, 0x7e, 0x94, 0xe5, 0xb9, 0xf9, 0x2c, 0xcf, 0x27, 0xb2, 0x7c, 0x1b, 0x6a, 0xa9, 0xa4,
+	0x91, 0x20, 0xc2, 0x2e, 0xb9, 0x31, 0xa4, 0xd6, 0x52, 0xd7, 0x62, 0xbe, 0xfe, 0x72, 0xae, 0x11,
+	0xb5, 0x76, 0x9e, 0x43, 0x2d, 0x95, 0x2e, 0x8b, 0xea, 0xb2, 0xf3, 0x0c, 0x6a, 0x1d, 0xe1, 0x8a,
+	0xc9, 0x92, 0xbf, 0x3a, 0xfe, 0x63, 0xc1, 0x5a, 0x84, 0x31, 0x95, 0xe7, 0x17, 0x50, 0xbe, 0xa0,
+	0xa1, 0xa0, 0x57, 0x71, 0x2f, 0xc2, 0xf3, 0xc3, 0xea, 0x47, 0x85, 0x20, 0x31, 0x12, 0x7d, 0x0d,
+	0x65, 0xae, 0xec, 0xd0, 0x68, 0x8e, 0x79, 0x92, 0xc5, 0x32, 0xfe, 0x62, 0x3c, 0x6a, 0x42, 0xc1,
+	0x67, 0x03, 0xae, 0xde, 0x7b, 0x75, 0xeb, 0x51, 0x16, 0xef, 0x1d, 0x1b, 0x10, 0x05, 0x44, 0x6f,
+	0xa1, 0x7c, 0xe9, 0x86, 0x81, 0x17, 0x0c, 0xa2, 0x2f, 0xee, 0xa7, 0x59, 0xa4, 0xef, 0x35, 0x8e,
+	0xc4, 0x04, 0xa7, 0x26, 0x2f, 0xd1, 0x19, 0x33, 0x67, 0xe2, 0xfc, 0x46, 0xe6, 0xb2, 0x14, 0x4d,
+	0xf8, 0x87, 0x50, 0xd3, 0xf7, 0xe1, 0x23, 0x0d, 0xb9, 0x9c, 0x0a, 0xad, 0x65, 0x77, 0x76, 0x37,
+	0x09, 0x25, 0x69, 0xa6, 0xf3, 0x83, 0x69, 0x77, 0x91, 0x42, 0xe6, 0xd2, 0xd8, 0xed, 0x0d, 0xdd,
+	0x41, 0xf4, 0x9e, 0x22, 0x51, 0x3e, 0xb9, 0x30, 0xfe, 0xf4, 0xb5, 0x8d, 0x44, 0x99, 0x9b, 0x21,
+	0xbd, 0xf0, 0xf8, 0x6c, 0x40, 0x8d, 0xe5, 0xad, 0xbf, 0x96, 0x00, 0x5a, 0xf1, 0x7e, 0xd0, 0x09,
+	0xac, 0x28, 0x7f, 0xc8, 0x59, 0xda, 0x3c, 0x55, 0xdc, 0xf6, 0xf3, 0x5b, 0x34, 0x58, 0xf4, 0x51,
+	0x26, 0xbf, 0x1a, 0x7a, 0xd0, 0x8b, 0xac, 0x32, 0x91, 0x9c, 0x9b, 0xec, 0x97, 0x37, 0xa0, 0x8c,
+	0xdd, 0x0f, 0x50, 0xd4, 0x59, 0x80, 0xb2, 0x6a, 0x61, 0x32, 0x6f, 0xed, 0x17, 0xcb, 0x41, 0xda,
+	0xe8, 0xe7, 0x16, 0x22, 0xa6, 0x52, 0x22, 0x67, 0x49, 0x2b, 0x34, 0x37, 0x26, 0xeb, 0x00, 0x52,
+	0x5d, 0xa7, 0x6e, 0xa1, 0xef, 0xa0, 0xa8, 0x6b, 0x1d, 0xfa, 0x74, 0x31, 0x21, 0xb2, 0xb7, 0xfc,
+	0x71, 0xdd, 0xfa, 0xdc, 0x42, 0xef, 0xa1, 0x20, 0x9b, 0x3c, 0xca, 0xe8, 0x58, 0x89, 0x09, 0xc1,
+	0x76, 0x96, 0x41, 0xcc, 0x29, 0xfe, 0x00, 0x30, 0x1b, 0x35, 0x50, 0xc6, 0xff, 0x26, 0x73, 0x33,
+	0x8b, 0x5d, 0xbf, 0x19, 0x68, 0x1c, 0xbc, 0x97, 0x7d, 0xf6, 0x8c, 0xa1, 0xcc, 0x0e, 0x1b, 0x5f,
+	0x23, 0xdb, 0x59, 0x06, 0x31, 0xe6, 0xce, 0xa1, 0x96, 0xfa, 0x5f, 0x15, 0xfd, 0x2c, 0x3b, 0xc8,
+	0xeb, 0x7f, 0xd3, 0xda, 0xaf, 0x6e, 0x85, 0x35, 0x9e, 0x44, 0x72, 0x56, 0x33, 0x8f, 0x51, 0xe3,
+	0xa6, 0xb8, 0xd3, 0xff, 0x91, 0xda, 0xcd, 0x5b, 0xe3, 0xb5, 0xd7, 0xdd, 0xc2, 0x6f, 0x73, 0xe3,
+	0x6e, 0xb7, 0xa8, 0xfe, 0x6e, 0xfe, 0xf2, 0xbf, 0x01, 0x00, 0x00, 0xff, 0xff, 0x12, 0x75, 0xc9,
+	0x38, 0x0c, 0x17, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.

controller/pb/controller.proto

@@ -78,6 +78,7 @@ message BuildOptions {
   bool ExportLoad = 27;
   moby.buildkit.v1.sourcepolicy.Policy SourcePolicy = 28;
   string Ref = 29;
+  string GroupRef = 30;
 }
 
 message ExportEntry {

localstate/localstate.go

@@ -9,12 +9,31 @@ import (
 	"github.com/pkg/errors"
 )
 
-const refsDir = "refs"
+const (
+	refsDir  = "refs"
+	groupDir = "__group__"
+)
 
 type State struct {
-	Target         string
-	LocalPath      string
+	// Target is the name of the invoked target (default if empty)
+	Target string
+	// LocalPath is the absolute path to the context
+	LocalPath string
+	// DockerfilePath is the absolute path to the Dockerfile
 	DockerfilePath string
+	// GroupRef is the ref of the state group that this ref belongs to
+	GroupRef string `json:",omitempty"`
+}
+
+type StateGroup struct {
+	// Definition is the raw representation of the group (bake definition)
+	Definition []byte
+	// Targets are the targets invoked
+	Targets []string `json:",omitempty"`
+	// Inputs are the user inputs (bake overrides)
+	Inputs []string `json:",omitempty"`
+	// Refs are used to track all the refs that belong to the same group
+	Refs []string
 }
 
 type LocalState struct {
@@ -63,6 +82,30 @@ func (ls *LocalState) SaveRef(builderName, nodeName, id string, st State) error
 	return ioutils.AtomicWriteFile(filepath.Join(refDir, id), dt, 0600)
 }
 
+func (ls *LocalState) ReadGroup(id string) (*StateGroup, error) {
+	dt, err := os.ReadFile(filepath.Join(ls.root, refsDir, groupDir, id))
+	if err != nil {
+		return nil, err
+	}
+	var stg StateGroup
+	if err := json.Unmarshal(dt, &stg); err != nil {
+		return nil, err
+	}
+	return &stg, nil
+}
+
+func (ls *LocalState) SaveGroup(id string, stg StateGroup) error {
+	refDir := filepath.Join(ls.root, refsDir, groupDir)
+	if err := os.MkdirAll(refDir, 0700); err != nil {
+		return err
+	}
+	dt, err := json.Marshal(stg)
+	if err != nil {
+		return err
+	}
+	return ioutils.AtomicWriteFile(filepath.Join(refDir, id), dt, 0600)
+}
+
 func (ls *LocalState) RemoveBuilder(builderName string) error {
 	if builderName == "" {
 		return errors.Errorf("builder name empty")