vendor: add buildkit

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/moby/buildkit/frontend/gateway/pb/caps.go

@@ -0,0 +1,95 @@
+package moby_buildkit_v1_frontend
+
+import "github.com/moby/buildkit/util/apicaps"
+
+var Caps apicaps.CapList
+
+// Every backwards or forwards non-compatible change needs to add a new capability row.
+// By default new capabilities should be experimental. After merge a capability is
+// considered immutable. After a capability is marked stable it should not be disabled.
+
+const (
+	CapSolveBase               apicaps.CapID = "solve.base"
+	CapSolveInlineReturn       apicaps.CapID = "solve.inlinereturn"
+	CapResolveImage            apicaps.CapID = "resolveimage"
+	CapResolveImageResolveMode apicaps.CapID = "resolveimage.resolvemode"
+	CapReadFile                apicaps.CapID = "readfile"
+	CapReturnResult            apicaps.CapID = "return"
+	CapReturnMap               apicaps.CapID = "returnmap"
+	CapReadDir                 apicaps.CapID = "readdir"
+	CapStatFile                apicaps.CapID = "statfile"
+	CapImportCaches            apicaps.CapID = "importcaches"
+)
+
+func init() {
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapSolveBase,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:         CapSolveInlineReturn,
+		Name:       "inline return from solve",
+		Enabled:    true,
+		Deprecated: true,
+		Status:     apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapResolveImage,
+		Name:    "resolve remote image config",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapResolveImageResolveMode,
+		Name:    "resolve remote image config with custom resolvemode",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapReadFile,
+		Name:    "read static file",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapReturnResult,
+		Name:    "return solve result",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapReturnMap,
+		Name:    "return reference map",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapReadDir,
+		Name:    "read static directory",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapStatFile,
+		Name:    "stat a file",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
+	Caps.Init(apicaps.Cap{
+		ID:      CapImportCaches,
+		Name:    "import caches",
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+}

vendor/github.com/moby/buildkit/frontend/gateway/pb/gateway.proto

@@ -0,0 +1,138 @@
+syntax = "proto3";
+
+package moby.buildkit.v1.frontend;
+
+import "github.com/gogo/protobuf/gogoproto/gogo.proto";
+import "github.com/gogo/googleapis/google/rpc/status.proto";
+import "github.com/moby/buildkit/solver/pb/ops.proto";
+import "github.com/moby/buildkit/api/types/worker.proto";
+import "github.com/moby/buildkit/util/apicaps/pb/caps.proto";
+import "github.com/tonistiigi/fsutil/types/stat.proto";
+
+option (gogoproto.sizer_all) = true;
+option (gogoproto.marshaler_all) = true;
+option (gogoproto.unmarshaler_all) = true;
+
+service LLBBridge {
+	// apicaps:CapResolveImage
+	rpc ResolveImageConfig(ResolveImageConfigRequest) returns (ResolveImageConfigResponse);
+	// apicaps:CapSolveBase
+	rpc Solve(SolveRequest) returns (SolveResponse);
+	// apicaps:CapReadFile
+	rpc ReadFile(ReadFileRequest) returns (ReadFileResponse);
+	// apicaps:CapReadDir
+	rpc ReadDir(ReadDirRequest) returns (ReadDirResponse);
+	// apicaps:CapStatFile
+	rpc StatFile(StatFileRequest) returns (StatFileResponse);
+	rpc Ping(PingRequest) returns (PongResponse);
+	rpc Return(ReturnRequest) returns (ReturnResponse);
+}
+
+message Result {
+	oneof result {
+		string ref = 1;
+		RefMap refs = 2;
+	}
+	map<string, bytes> metadata = 10;
+}
+
+message RefMap {
+	map<string, string> refs = 1;
+}
+
+message ReturnRequest {
+	Result result = 1;
+	google.rpc.Status error = 2;
+}
+
+message ReturnResponse {
+}
+
+message ResolveImageConfigRequest {
+	string Ref = 1;
+	pb.Platform Platform = 2;
+	string ResolveMode = 3;
+	string LogName = 4;
+}
+
+message ResolveImageConfigResponse {
+	string Digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+	bytes Config = 2;
+}
+
+message SolveRequest {
+	pb.Definition Definition = 1;
+	string Frontend = 2;
+	map<string, string> FrontendOpt = 3;
+	// ImportCacheRefsDeprecated is deprecated in favor or the new Imports since BuildKit v0.4.0.
+        // When ImportCacheRefsDeprecated is set, the solver appends
+        // {.Type = "registry", .Attrs = {"ref": importCacheRef}}
+        // for each of the ImportCacheRefs entry to CacheImports for compatibility. (planned to be removed)
+	repeated string ImportCacheRefsDeprecated = 4;
+	bool allowResultReturn = 5;
+	
+	// apicaps.CapSolveInlineReturn deprecated
+	bool Final = 10;
+	bytes ExporterAttr = 11;
+	// CacheImports was added in BuildKit v0.4.0.
+	// apicaps:CapImportCaches
+	repeated CacheOptionsEntry CacheImports = 12;
+}
+
+// CacheOptionsEntry corresponds to the control.CacheOptionsEntry
+message CacheOptionsEntry {
+	string Type = 1;
+	map<string, string> Attrs = 2;
+}
+
+message SolveResponse {
+	// deprecated
+	string ref = 1; // can be used by readfile request
+	// deprecated
+/*	bytes ExporterAttr = 2;*/
+	
+	// these fields are returned when allowMapReturn was set
+	Result result = 3;
+}
+
+message ReadFileRequest {
+	string Ref = 1;
+	string FilePath = 2;
+	FileRange Range = 3;
+}
+
+message FileRange {
+	int64 Offset = 1;
+	int64 Length = 2;
+}
+
+message ReadFileResponse {
+	bytes Data = 1;
+}
+
+message ReadDirRequest {
+	string Ref = 1;
+	string DirPath = 2;
+	string IncludePattern = 3;
+}
+
+message ReadDirResponse {
+	repeated fsutil.types.Stat entries = 1;
+}
+
+message StatFileRequest {
+	string Ref = 1;
+	string Path = 2;
+}
+
+message StatFileResponse {
+	fsutil.types.Stat stat = 1;
+}
+
+message PingRequest{
+}
+message PongResponse{
+	repeated moby.buildkit.v1.apicaps.APICap FrontendAPICaps = 1 [(gogoproto.nullable) = false];
+	repeated moby.buildkit.v1.apicaps.APICap LLBCaps = 2 [(gogoproto.nullable) = false];
+	repeated moby.buildkit.v1.types.WorkerRecord Workers = 3;
+}

vendor/github.com/moby/buildkit/frontend/gateway/pb/generate.go

@@ -0,0 +1,3 @@
+package moby_buildkit_v1_frontend
+
+//go:generate protoc -I=. -I=../../../vendor/ -I=../../../../../../ --gogo_out=plugins=grpc:. gateway.proto