Repository: beam
Updated Branches:
  refs/heads/master ed00299cc -> 63b54a5b0


http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/model/org_apache_beam_fn_v1/beam_provision_api.pb.go
----------------------------------------------------------------------
diff --git 
a/sdks/go/pkg/beam/model/org_apache_beam_fn_v1/beam_provision_api.pb.go 
b/sdks/go/pkg/beam/model/org_apache_beam_fn_v1/beam_provision_api.pb.go
new file mode 100644
index 0000000..534f65c
--- /dev/null
+++ b/sdks/go/pkg/beam/model/org_apache_beam_fn_v1/beam_provision_api.pb.go
@@ -0,0 +1,219 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: beam_provision_api.proto
+
+/*
+Package org_apache_beam_fn_v1 is a generated protocol buffer package.
+
+It is generated from these files:
+       beam_provision_api.proto
+
+It has these top-level messages:
+       GetProvisionInfoRequest
+       GetProvisionInfoResponse
+       ProvisionInfo
+*/
+package org_apache_beam_fn_v1
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import google_protobuf "github.com/golang/protobuf/ptypes/struct"
+
+import (
+       context "golang.org/x/net/context"
+       grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// A request to get the provision info of a SDK harness worker instance.
+type GetProvisionInfoRequest struct {
+}
+
+func (m *GetProvisionInfoRequest) Reset()                    { *m = 
GetProvisionInfoRequest{} }
+func (m *GetProvisionInfoRequest) String() string            { return 
proto.CompactTextString(m) }
+func (*GetProvisionInfoRequest) ProtoMessage()               {}
+func (*GetProvisionInfoRequest) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{0} }
+
+// A response containing the provision info of a SDK harness worker instance.
+type GetProvisionInfoResponse struct {
+       Info *ProvisionInfo `protobuf:"bytes,1,opt,name=info" 
json:"info,omitempty"`
+}
+
+func (m *GetProvisionInfoResponse) Reset()                    { *m = 
GetProvisionInfoResponse{} }
+func (m *GetProvisionInfoResponse) String() string            { return 
proto.CompactTextString(m) }
+func (*GetProvisionInfoResponse) ProtoMessage()               {}
+func (*GetProvisionInfoResponse) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{1} }
+
+func (m *GetProvisionInfoResponse) GetInfo() *ProvisionInfo {
+       if m != nil {
+               return m.Info
+       }
+       return nil
+}
+
+// Runtime provisioning information for a SDK harness worker instance,
+// such as pipeline options, resource constraints and other job metadata
+type ProvisionInfo struct {
+       // (required) The job ID.
+       JobId string `protobuf:"bytes,1,opt,name=job_id,json=jobId" 
json:"job_id,omitempty"`
+       // (required) The job name.
+       JobName string `protobuf:"bytes,2,opt,name=job_name,json=jobName" 
json:"job_name,omitempty"`
+       // (required) Pipeline options. For non-template jobs, the options are
+       // identical to what is passed to job submission.
+       PipelineOptions *google_protobuf.Struct 
`protobuf:"bytes,3,opt,name=pipeline_options,json=pipelineOptions" 
json:"pipeline_options,omitempty"`
+}
+
+func (m *ProvisionInfo) Reset()                    { *m = ProvisionInfo{} }
+func (m *ProvisionInfo) String() string            { return 
proto.CompactTextString(m) }
+func (*ProvisionInfo) ProtoMessage()               {}
+func (*ProvisionInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, 
[]int{2} }
+
+func (m *ProvisionInfo) GetJobId() string {
+       if m != nil {
+               return m.JobId
+       }
+       return ""
+}
+
+func (m *ProvisionInfo) GetJobName() string {
+       if m != nil {
+               return m.JobName
+       }
+       return ""
+}
+
+func (m *ProvisionInfo) GetPipelineOptions() *google_protobuf.Struct {
+       if m != nil {
+               return m.PipelineOptions
+       }
+       return nil
+}
+
+func init() {
+       proto.RegisterType((*GetProvisionInfoRequest)(nil), 
"org.apache.beam.fn.v1.GetProvisionInfoRequest")
+       proto.RegisterType((*GetProvisionInfoResponse)(nil), 
"org.apache.beam.fn.v1.GetProvisionInfoResponse")
+       proto.RegisterType((*ProvisionInfo)(nil), 
"org.apache.beam.fn.v1.ProvisionInfo")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// Client API for ProvisionService service
+
+type ProvisionServiceClient interface {
+       // Get provision information for the SDK harness worker instance.
+       GetProvisionInfo(ctx context.Context, in *GetProvisionInfoRequest, opts 
...grpc.CallOption) (*GetProvisionInfoResponse, error)
+}
+
+type provisionServiceClient struct {
+       cc *grpc.ClientConn
+}
+
+func NewProvisionServiceClient(cc *grpc.ClientConn) ProvisionServiceClient {
+       return &provisionServiceClient{cc}
+}
+
+func (c *provisionServiceClient) GetProvisionInfo(ctx context.Context, in 
*GetProvisionInfoRequest, opts ...grpc.CallOption) (*GetProvisionInfoResponse, 
error) {
+       out := new(GetProvisionInfoResponse)
+       err := grpc.Invoke(ctx, 
"/org.apache.beam.fn.v1.ProvisionService/GetProvisionInfo", in, out, c.cc, 
opts...)
+       if err != nil {
+               return nil, err
+       }
+       return out, nil
+}
+
+// Server API for ProvisionService service
+
+type ProvisionServiceServer interface {
+       // Get provision information for the SDK harness worker instance.
+       GetProvisionInfo(context.Context, *GetProvisionInfoRequest) 
(*GetProvisionInfoResponse, error)
+}
+
+func RegisterProvisionServiceServer(s *grpc.Server, srv 
ProvisionServiceServer) {
+       s.RegisterService(&_ProvisionService_serviceDesc, srv)
+}
+
+func _ProvisionService_GetProvisionInfo_Handler(srv interface{}, ctx 
context.Context, dec func(interface{}) error, interceptor 
grpc.UnaryServerInterceptor) (interface{}, error) {
+       in := new(GetProvisionInfoRequest)
+       if err := dec(in); err != nil {
+               return nil, err
+       }
+       if interceptor == nil {
+               return srv.(ProvisionServiceServer).GetProvisionInfo(ctx, in)
+       }
+       info := &grpc.UnaryServerInfo{
+               Server:     srv,
+               FullMethod: 
"/org.apache.beam.fn.v1.ProvisionService/GetProvisionInfo",
+       }
+       handler := func(ctx context.Context, req interface{}) (interface{}, 
error) {
+               return srv.(ProvisionServiceServer).GetProvisionInfo(ctx, 
req.(*GetProvisionInfoRequest))
+       }
+       return interceptor(ctx, in, info, handler)
+}
+
+var _ProvisionService_serviceDesc = grpc.ServiceDesc{
+       ServiceName: "org.apache.beam.fn.v1.ProvisionService",
+       HandlerType: (*ProvisionServiceServer)(nil),
+       Methods: []grpc.MethodDesc{
+               {
+                       MethodName: "GetProvisionInfo",
+                       Handler:    _ProvisionService_GetProvisionInfo_Handler,
+               },
+       },
+       Streams:  []grpc.StreamDesc{},
+       Metadata: "beam_provision_api.proto",
+}
+
+func init() { proto.RegisterFile("beam_provision_api.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+       // 284 bytes of a gzipped FileDescriptorProto
+       0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x91, 
0xcf, 0x4b, 0xc3, 0x30,
+       0x14, 0xc7, 0xa9, 0x3f, 0xa6, 0x46, 0xc5, 0x12, 0x18, 0xeb, 0x86, 0x07, 
0x29, 0x0a, 0x9e, 0x52,
+       0x9c, 0x17, 0xaf, 0xf6, 0x22, 0xbb, 0xa8, 0x74, 0xde, 0x4b, 0xd2, 0xbd, 
0xd6, 0x94, 0x35, 0x2f,
+       0x36, 0x69, 0xff, 0x03, 0xf1, 0xdf, 0x96, 0xa5, 0x74, 0x30, 0xdd, 0x60, 
0xd7, 0xf7, 0x3e, 0xdf,
+       0x97, 0xf7, 0x79, 0x21, 0x81, 0x00, 0x5e, 0xa5, 0xba, 0xc6, 0x56, 0x1a, 
0x89, 0x2a, 0xe5, 0x5a,
+       0x32, 0x5d, 0xa3, 0x45, 0x3a, 0xc4, 0xba, 0x60, 0x5c, 0xf3, 0xec, 0x13, 
0xd8, 0x0a, 0x62, 0xb9,
+       0x62, 0xed, 0xc3, 0xe4, 0xba, 0x40, 0x2c, 0x96, 0x10, 0x39, 0x48, 0x34, 
0x79, 0x64, 0x6c, 0xdd,
+       0x64, 0xb6, 0x0b, 0x85, 0x63, 0x32, 0x7a, 0x01, 0xfb, 0xde, 0x8f, 0x9b, 
0xa9, 0x1c, 0x13, 0xf8,
+       0x6a, 0xc0, 0xd8, 0xf0, 0x83, 0x04, 0xff, 0x5b, 0x46, 0xa3, 0x32, 0x40, 
0x9f, 0xc8, 0x91, 0x54,
+       0x39, 0x06, 0xde, 0x8d, 0x77, 0x7f, 0x3e, 0xbd, 0x65, 0x5b, 0x9f, 0x66, 
0x9b, 0x59, 0x97, 0x08,
+       0xbf, 0x3d, 0x72, 0xb9, 0x51, 0xa7, 0x43, 0x32, 0x28, 0x51, 0xa4, 0x72, 
0xe1, 0xa6, 0x9d, 0x25,
+       0xc7, 0x25, 0x8a, 0xd9, 0x82, 0x8e, 0xc9, 0xe9, 0xaa, 0xac, 0x78, 0x05, 
0xc1, 0x81, 0x6b, 0x9c,
+       0x94, 0x28, 0x5e, 0x79, 0x05, 0x34, 0x26, 0xbe, 0x96, 0x1a, 0x96, 0x52, 
0x41, 0x8a, 0xda, 0x4a,
+       0x54, 0x26, 0x38, 0x74, 0x9b, 0x8c, 0x58, 0x67, 0xcb, 0x7a, 0x5b, 0x36, 
0x77, 0xb6, 0xc9, 0x55,
+       0x1f, 0x78, 0xeb, 0xf8, 0xe9, 0x8f, 0x47, 0xfc, 0xf5, 0x1e, 0x73, 0xa8, 
0x5b, 0x99, 0x01, 0x35,
+       0xc4, 0xff, 0xab, 0x4c, 0xd9, 0x0e, 0xb9, 0x1d, 0x67, 0x9b, 0x44, 0x7b, 
0xf3, 0xdd, 0x2d, 0xe3,
+       0x3b, 0xb2, 0xfd, 0xe7, 0xe2, 0x8b, 0x35, 0xff, 0xac, 0xa5, 0x18, 0x38, 
0xa5, 0xc7, 0xdf, 0x00,
+       0x00, 0x00, 0xff, 0xff, 0x97, 0x2b, 0xbd, 0x57, 0x01, 0x02, 0x00, 0x00,
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/model/org_apache_beam_runner_v1/beam_artifact_api.pb.go
----------------------------------------------------------------------
diff --git 
a/sdks/go/pkg/beam/model/org_apache_beam_runner_v1/beam_artifact_api.pb.go 
b/sdks/go/pkg/beam/model/org_apache_beam_runner_v1/beam_artifact_api.pb.go
new file mode 100644
index 0000000..e8cc800
--- /dev/null
+++ b/sdks/go/pkg/beam/model/org_apache_beam_runner_v1/beam_artifact_api.pb.go
@@ -0,0 +1,729 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: beam_artifact_api.proto
+
+/*
+Package org_apache_beam_runner_api_v1 is a generated protocol buffer package.
+
+It is generated from these files:
+       beam_artifact_api.proto
+
+It has these top-level messages:
+       ArtifactMetadata
+       Manifest
+       ProxyManifest
+       GetManifestRequest
+       GetManifestResponse
+       GetArtifactRequest
+       ArtifactChunk
+       PutArtifactRequest
+       PutArtifactResponse
+       CommitManifestRequest
+       CommitManifestResponse
+*/
+package org_apache_beam_runner_api_v1
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import (
+       context "golang.org/x/net/context"
+       grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// An artifact identifier and associated metadata.
+type ArtifactMetadata struct {
+       // (Required) The name of the artifact.
+       Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+       // (Optional) The Unix-like permissions of the artifact
+       Permissions uint32 `protobuf:"varint,2,opt,name=permissions" 
json:"permissions,omitempty"`
+       // (Optional) The md5 checksum of the artifact. Used, among other 
things, by harness boot code to
+       // validate the integrity of the artifact.
+       Md5 string `protobuf:"bytes,3,opt,name=md5" json:"md5,omitempty"`
+}
+
+func (m *ArtifactMetadata) Reset()                    { *m = 
ArtifactMetadata{} }
+func (m *ArtifactMetadata) String() string            { return 
proto.CompactTextString(m) }
+func (*ArtifactMetadata) ProtoMessage()               {}
+func (*ArtifactMetadata) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{0} }
+
+func (m *ArtifactMetadata) GetName() string {
+       if m != nil {
+               return m.Name
+       }
+       return ""
+}
+
+func (m *ArtifactMetadata) GetPermissions() uint32 {
+       if m != nil {
+               return m.Permissions
+       }
+       return 0
+}
+
+func (m *ArtifactMetadata) GetMd5() string {
+       if m != nil {
+               return m.Md5
+       }
+       return ""
+}
+
+// A collection of artifacts.
+type Manifest struct {
+       Artifact []*ArtifactMetadata `protobuf:"bytes,1,rep,name=artifact" 
json:"artifact,omitempty"`
+}
+
+func (m *Manifest) Reset()                    { *m = Manifest{} }
+func (m *Manifest) String() string            { return 
proto.CompactTextString(m) }
+func (*Manifest) ProtoMessage()               {}
+func (*Manifest) Descriptor() ([]byte, []int) { return fileDescriptor0, 
[]int{1} }
+
+func (m *Manifest) GetArtifact() []*ArtifactMetadata {
+       if m != nil {
+               return m.Artifact
+       }
+       return nil
+}
+
+// A manifest with location information.
+type ProxyManifest struct {
+       Manifest *Manifest                 
`protobuf:"bytes,1,opt,name=manifest" json:"manifest,omitempty"`
+       Location []*ProxyManifest_Location 
`protobuf:"bytes,2,rep,name=location" json:"location,omitempty"`
+}
+
+func (m *ProxyManifest) Reset()                    { *m = ProxyManifest{} }
+func (m *ProxyManifest) String() string            { return 
proto.CompactTextString(m) }
+func (*ProxyManifest) ProtoMessage()               {}
+func (*ProxyManifest) Descriptor() ([]byte, []int) { return fileDescriptor0, 
[]int{2} }
+
+func (m *ProxyManifest) GetManifest() *Manifest {
+       if m != nil {
+               return m.Manifest
+       }
+       return nil
+}
+
+func (m *ProxyManifest) GetLocation() []*ProxyManifest_Location {
+       if m != nil {
+               return m.Location
+       }
+       return nil
+}
+
+type ProxyManifest_Location struct {
+       Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+       Uri  string `protobuf:"bytes,2,opt,name=uri" json:"uri,omitempty"`
+}
+
+func (m *ProxyManifest_Location) Reset()                    { *m = 
ProxyManifest_Location{} }
+func (m *ProxyManifest_Location) String() string            { return 
proto.CompactTextString(m) }
+func (*ProxyManifest_Location) ProtoMessage()               {}
+func (*ProxyManifest_Location) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{2, 0} }
+
+func (m *ProxyManifest_Location) GetName() string {
+       if m != nil {
+               return m.Name
+       }
+       return ""
+}
+
+func (m *ProxyManifest_Location) GetUri() string {
+       if m != nil {
+               return m.Uri
+       }
+       return ""
+}
+
+// A request to get the manifest of a Job.
+type GetManifestRequest struct {
+}
+
+func (m *GetManifestRequest) Reset()                    { *m = 
GetManifestRequest{} }
+func (m *GetManifestRequest) String() string            { return 
proto.CompactTextString(m) }
+func (*GetManifestRequest) ProtoMessage()               {}
+func (*GetManifestRequest) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{3} }
+
+// A response containing a job manifest.
+type GetManifestResponse struct {
+       Manifest *Manifest `protobuf:"bytes,1,opt,name=manifest" 
json:"manifest,omitempty"`
+}
+
+func (m *GetManifestResponse) Reset()                    { *m = 
GetManifestResponse{} }
+func (m *GetManifestResponse) String() string            { return 
proto.CompactTextString(m) }
+func (*GetManifestResponse) ProtoMessage()               {}
+func (*GetManifestResponse) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{4} }
+
+func (m *GetManifestResponse) GetManifest() *Manifest {
+       if m != nil {
+               return m.Manifest
+       }
+       return nil
+}
+
+// A request to get an artifact. The artifact must be present in the manifest 
for the job.
+type GetArtifactRequest struct {
+       // (Required) The name of the artifact to retrieve.
+       Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+}
+
+func (m *GetArtifactRequest) Reset()                    { *m = 
GetArtifactRequest{} }
+func (m *GetArtifactRequest) String() string            { return 
proto.CompactTextString(m) }
+func (*GetArtifactRequest) ProtoMessage()               {}
+func (*GetArtifactRequest) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{5} }
+
+func (m *GetArtifactRequest) GetName() string {
+       if m != nil {
+               return m.Name
+       }
+       return ""
+}
+
+// Part of an artifact.
+type ArtifactChunk struct {
+       Data []byte `protobuf:"bytes,1,opt,name=data,proto3" 
json:"data,omitempty"`
+}
+
+func (m *ArtifactChunk) Reset()                    { *m = ArtifactChunk{} }
+func (m *ArtifactChunk) String() string            { return 
proto.CompactTextString(m) }
+func (*ArtifactChunk) ProtoMessage()               {}
+func (*ArtifactChunk) Descriptor() ([]byte, []int) { return fileDescriptor0, 
[]int{6} }
+
+func (m *ArtifactChunk) GetData() []byte {
+       if m != nil {
+               return m.Data
+       }
+       return nil
+}
+
+// A request to stage an artifact.
+type PutArtifactRequest struct {
+       // (Required)
+       //
+       // Types that are valid to be assigned to Content:
+       //      *PutArtifactRequest_Metadata
+       //      *PutArtifactRequest_Data
+       Content isPutArtifactRequest_Content `protobuf_oneof:"content"`
+}
+
+func (m *PutArtifactRequest) Reset()                    { *m = 
PutArtifactRequest{} }
+func (m *PutArtifactRequest) String() string            { return 
proto.CompactTextString(m) }
+func (*PutArtifactRequest) ProtoMessage()               {}
+func (*PutArtifactRequest) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{7} }
+
+type isPutArtifactRequest_Content interface {
+       isPutArtifactRequest_Content()
+}
+
+type PutArtifactRequest_Metadata struct {
+       Metadata *ArtifactMetadata `protobuf:"bytes,1,opt,name=metadata,oneof"`
+}
+type PutArtifactRequest_Data struct {
+       Data *ArtifactChunk `protobuf:"bytes,2,opt,name=data,oneof"`
+}
+
+func (*PutArtifactRequest_Metadata) isPutArtifactRequest_Content() {}
+func (*PutArtifactRequest_Data) isPutArtifactRequest_Content()     {}
+
+func (m *PutArtifactRequest) GetContent() isPutArtifactRequest_Content {
+       if m != nil {
+               return m.Content
+       }
+       return nil
+}
+
+func (m *PutArtifactRequest) GetMetadata() *ArtifactMetadata {
+       if x, ok := m.GetContent().(*PutArtifactRequest_Metadata); ok {
+               return x.Metadata
+       }
+       return nil
+}
+
+func (m *PutArtifactRequest) GetData() *ArtifactChunk {
+       if x, ok := m.GetContent().(*PutArtifactRequest_Data); ok {
+               return x.Data
+       }
+       return nil
+}
+
+// XXX_OneofFuncs is for the internal use of the proto package.
+func (*PutArtifactRequest) XXX_OneofFuncs() (func(msg proto.Message, b 
*proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) 
(bool, error), func(msg proto.Message) (n int), []interface{}) {
+       return _PutArtifactRequest_OneofMarshaler, 
_PutArtifactRequest_OneofUnmarshaler, _PutArtifactRequest_OneofSizer, 
[]interface{}{
+               (*PutArtifactRequest_Metadata)(nil),
+               (*PutArtifactRequest_Data)(nil),
+       }
+}
+
+func _PutArtifactRequest_OneofMarshaler(msg proto.Message, b *proto.Buffer) 
error {
+       m := msg.(*PutArtifactRequest)
+       // content
+       switch x := m.Content.(type) {
+       case *PutArtifactRequest_Metadata:
+               b.EncodeVarint(1<<3 | proto.WireBytes)
+               if err := b.EncodeMessage(x.Metadata); err != nil {
+                       return err
+               }
+       case *PutArtifactRequest_Data:
+               b.EncodeVarint(2<<3 | proto.WireBytes)
+               if err := b.EncodeMessage(x.Data); err != nil {
+                       return err
+               }
+       case nil:
+       default:
+               return fmt.Errorf("PutArtifactRequest.Content has unexpected 
type %T", x)
+       }
+       return nil
+}
+
+func _PutArtifactRequest_OneofUnmarshaler(msg proto.Message, tag, wire int, b 
*proto.Buffer) (bool, error) {
+       m := msg.(*PutArtifactRequest)
+       switch tag {
+       case 1: // content.metadata
+               if wire != proto.WireBytes {
+                       return true, proto.ErrInternalBadWireType
+               }
+               msg := new(ArtifactMetadata)
+               err := b.DecodeMessage(msg)
+               m.Content = &PutArtifactRequest_Metadata{msg}
+               return true, err
+       case 2: // content.data
+               if wire != proto.WireBytes {
+                       return true, proto.ErrInternalBadWireType
+               }
+               msg := new(ArtifactChunk)
+               err := b.DecodeMessage(msg)
+               m.Content = &PutArtifactRequest_Data{msg}
+               return true, err
+       default:
+               return false, nil
+       }
+}
+
+func _PutArtifactRequest_OneofSizer(msg proto.Message) (n int) {
+       m := msg.(*PutArtifactRequest)
+       // content
+       switch x := m.Content.(type) {
+       case *PutArtifactRequest_Metadata:
+               s := proto.Size(x.Metadata)
+               n += proto.SizeVarint(1<<3 | proto.WireBytes)
+               n += proto.SizeVarint(uint64(s))
+               n += s
+       case *PutArtifactRequest_Data:
+               s := proto.Size(x.Data)
+               n += proto.SizeVarint(2<<3 | proto.WireBytes)
+               n += proto.SizeVarint(uint64(s))
+               n += s
+       case nil:
+       default:
+               panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
+       }
+       return n
+}
+
+type PutArtifactResponse struct {
+}
+
+func (m *PutArtifactResponse) Reset()                    { *m = 
PutArtifactResponse{} }
+func (m *PutArtifactResponse) String() string            { return 
proto.CompactTextString(m) }
+func (*PutArtifactResponse) ProtoMessage()               {}
+func (*PutArtifactResponse) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{8} }
+
+// A request to commit the manifest for a Job. All artifacts must have been 
successfully uploaded
+// before this call is made.
+type CommitManifestRequest struct {
+       // (Required) The manifest to commit.
+       Manifest *Manifest `protobuf:"bytes,1,opt,name=manifest" 
json:"manifest,omitempty"`
+}
+
+func (m *CommitManifestRequest) Reset()                    { *m = 
CommitManifestRequest{} }
+func (m *CommitManifestRequest) String() string            { return 
proto.CompactTextString(m) }
+func (*CommitManifestRequest) ProtoMessage()               {}
+func (*CommitManifestRequest) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{9} }
+
+func (m *CommitManifestRequest) GetManifest() *Manifest {
+       if m != nil {
+               return m.Manifest
+       }
+       return nil
+}
+
+// The result of committing a manifest.
+type CommitManifestResponse struct {
+       // (Required) An opaque token representing the entirety of the staged 
artifacts.
+       StagingToken string 
`protobuf:"bytes,1,opt,name=staging_token,json=stagingToken" 
json:"staging_token,omitempty"`
+}
+
+func (m *CommitManifestResponse) Reset()                    { *m = 
CommitManifestResponse{} }
+func (m *CommitManifestResponse) String() string            { return 
proto.CompactTextString(m) }
+func (*CommitManifestResponse) ProtoMessage()               {}
+func (*CommitManifestResponse) Descriptor() ([]byte, []int) { return 
fileDescriptor0, []int{10} }
+
+func (m *CommitManifestResponse) GetStagingToken() string {
+       if m != nil {
+               return m.StagingToken
+       }
+       return ""
+}
+
+func init() {
+       proto.RegisterType((*ArtifactMetadata)(nil), 
"org.apache.beam.runner_api.v1.ArtifactMetadata")
+       proto.RegisterType((*Manifest)(nil), 
"org.apache.beam.runner_api.v1.Manifest")
+       proto.RegisterType((*ProxyManifest)(nil), 
"org.apache.beam.runner_api.v1.ProxyManifest")
+       proto.RegisterType((*ProxyManifest_Location)(nil), 
"org.apache.beam.runner_api.v1.ProxyManifest.Location")
+       proto.RegisterType((*GetManifestRequest)(nil), 
"org.apache.beam.runner_api.v1.GetManifestRequest")
+       proto.RegisterType((*GetManifestResponse)(nil), 
"org.apache.beam.runner_api.v1.GetManifestResponse")
+       proto.RegisterType((*GetArtifactRequest)(nil), 
"org.apache.beam.runner_api.v1.GetArtifactRequest")
+       proto.RegisterType((*ArtifactChunk)(nil), 
"org.apache.beam.runner_api.v1.ArtifactChunk")
+       proto.RegisterType((*PutArtifactRequest)(nil), 
"org.apache.beam.runner_api.v1.PutArtifactRequest")
+       proto.RegisterType((*PutArtifactResponse)(nil), 
"org.apache.beam.runner_api.v1.PutArtifactResponse")
+       proto.RegisterType((*CommitManifestRequest)(nil), 
"org.apache.beam.runner_api.v1.CommitManifestRequest")
+       proto.RegisterType((*CommitManifestResponse)(nil), 
"org.apache.beam.runner_api.v1.CommitManifestResponse")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// Client API for ArtifactStagingService service
+
+type ArtifactStagingServiceClient interface {
+       // Stage an artifact to be available during job execution. The first 
request must contain the
+       // name of the artifact. All future requests must contain sequential 
chunks of the content of
+       // the artifact.
+       PutArtifact(ctx context.Context, opts ...grpc.CallOption) 
(ArtifactStagingService_PutArtifactClient, error)
+       // Commit the manifest for a Job. All artifacts must have been 
successfully uploaded
+       // before this call is made.
+       //
+       // Throws error INVALID_ARGUMENT if not all of the members of the 
manifest are present
+       CommitManifest(ctx context.Context, in *CommitManifestRequest, opts 
...grpc.CallOption) (*CommitManifestResponse, error)
+}
+
+type artifactStagingServiceClient struct {
+       cc *grpc.ClientConn
+}
+
+func NewArtifactStagingServiceClient(cc *grpc.ClientConn) 
ArtifactStagingServiceClient {
+       return &artifactStagingServiceClient{cc}
+}
+
+func (c *artifactStagingServiceClient) PutArtifact(ctx context.Context, opts 
...grpc.CallOption) (ArtifactStagingService_PutArtifactClient, error) {
+       stream, err := grpc.NewClientStream(ctx, 
&_ArtifactStagingService_serviceDesc.Streams[0], c.cc, 
"/org.apache.beam.runner_api.v1.ArtifactStagingService/PutArtifact", opts...)
+       if err != nil {
+               return nil, err
+       }
+       x := &artifactStagingServicePutArtifactClient{stream}
+       return x, nil
+}
+
+type ArtifactStagingService_PutArtifactClient interface {
+       Send(*PutArtifactRequest) error
+       CloseAndRecv() (*PutArtifactResponse, error)
+       grpc.ClientStream
+}
+
+type artifactStagingServicePutArtifactClient struct {
+       grpc.ClientStream
+}
+
+func (x *artifactStagingServicePutArtifactClient) Send(m *PutArtifactRequest) 
error {
+       return x.ClientStream.SendMsg(m)
+}
+
+func (x *artifactStagingServicePutArtifactClient) CloseAndRecv() 
(*PutArtifactResponse, error) {
+       if err := x.ClientStream.CloseSend(); err != nil {
+               return nil, err
+       }
+       m := new(PutArtifactResponse)
+       if err := x.ClientStream.RecvMsg(m); err != nil {
+               return nil, err
+       }
+       return m, nil
+}
+
+func (c *artifactStagingServiceClient) CommitManifest(ctx context.Context, in 
*CommitManifestRequest, opts ...grpc.CallOption) (*CommitManifestResponse, 
error) {
+       out := new(CommitManifestResponse)
+       err := grpc.Invoke(ctx, 
"/org.apache.beam.runner_api.v1.ArtifactStagingService/CommitManifest", in, 
out, c.cc, opts...)
+       if err != nil {
+               return nil, err
+       }
+       return out, nil
+}
+
+// Server API for ArtifactStagingService service
+
+type ArtifactStagingServiceServer interface {
+       // Stage an artifact to be available during job execution. The first 
request must contain the
+       // name of the artifact. All future requests must contain sequential 
chunks of the content of
+       // the artifact.
+       PutArtifact(ArtifactStagingService_PutArtifactServer) error
+       // Commit the manifest for a Job. All artifacts must have been 
successfully uploaded
+       // before this call is made.
+       //
+       // Throws error INVALID_ARGUMENT if not all of the members of the 
manifest are present
+       CommitManifest(context.Context, *CommitManifestRequest) 
(*CommitManifestResponse, error)
+}
+
+func RegisterArtifactStagingServiceServer(s *grpc.Server, srv 
ArtifactStagingServiceServer) {
+       s.RegisterService(&_ArtifactStagingService_serviceDesc, srv)
+}
+
+func _ArtifactStagingService_PutArtifact_Handler(srv interface{}, stream 
grpc.ServerStream) error {
+       return 
srv.(ArtifactStagingServiceServer).PutArtifact(&artifactStagingServicePutArtifactServer{stream})
+}
+
+type ArtifactStagingService_PutArtifactServer interface {
+       SendAndClose(*PutArtifactResponse) error
+       Recv() (*PutArtifactRequest, error)
+       grpc.ServerStream
+}
+
+type artifactStagingServicePutArtifactServer struct {
+       grpc.ServerStream
+}
+
+func (x *artifactStagingServicePutArtifactServer) SendAndClose(m 
*PutArtifactResponse) error {
+       return x.ServerStream.SendMsg(m)
+}
+
+func (x *artifactStagingServicePutArtifactServer) Recv() (*PutArtifactRequest, 
error) {
+       m := new(PutArtifactRequest)
+       if err := x.ServerStream.RecvMsg(m); err != nil {
+               return nil, err
+       }
+       return m, nil
+}
+
+func _ArtifactStagingService_CommitManifest_Handler(srv interface{}, ctx 
context.Context, dec func(interface{}) error, interceptor 
grpc.UnaryServerInterceptor) (interface{}, error) {
+       in := new(CommitManifestRequest)
+       if err := dec(in); err != nil {
+               return nil, err
+       }
+       if interceptor == nil {
+               return srv.(ArtifactStagingServiceServer).CommitManifest(ctx, 
in)
+       }
+       info := &grpc.UnaryServerInfo{
+               Server:     srv,
+               FullMethod: 
"/org.apache.beam.runner_api.v1.ArtifactStagingService/CommitManifest",
+       }
+       handler := func(ctx context.Context, req interface{}) (interface{}, 
error) {
+               return srv.(ArtifactStagingServiceServer).CommitManifest(ctx, 
req.(*CommitManifestRequest))
+       }
+       return interceptor(ctx, in, info, handler)
+}
+
+var _ArtifactStagingService_serviceDesc = grpc.ServiceDesc{
+       ServiceName: "org.apache.beam.runner_api.v1.ArtifactStagingService",
+       HandlerType: (*ArtifactStagingServiceServer)(nil),
+       Methods: []grpc.MethodDesc{
+               {
+                       MethodName: "CommitManifest",
+                       Handler:    
_ArtifactStagingService_CommitManifest_Handler,
+               },
+       },
+       Streams: []grpc.StreamDesc{
+               {
+                       StreamName:    "PutArtifact",
+                       Handler:       
_ArtifactStagingService_PutArtifact_Handler,
+                       ClientStreams: true,
+               },
+       },
+       Metadata: "beam_artifact_api.proto",
+}
+
+// Client API for ArtifactRetrievalService service
+
+type ArtifactRetrievalServiceClient interface {
+       // Get the manifest for the job
+       GetManifest(ctx context.Context, in *GetManifestRequest, opts 
...grpc.CallOption) (*GetManifestResponse, error)
+       // Get an artifact staged for the job. The requested artifact must be 
within the manifest
+       GetArtifact(ctx context.Context, in *GetArtifactRequest, opts 
...grpc.CallOption) (ArtifactRetrievalService_GetArtifactClient, error)
+}
+
+type artifactRetrievalServiceClient struct {
+       cc *grpc.ClientConn
+}
+
+func NewArtifactRetrievalServiceClient(cc *grpc.ClientConn) 
ArtifactRetrievalServiceClient {
+       return &artifactRetrievalServiceClient{cc}
+}
+
+func (c *artifactRetrievalServiceClient) GetManifest(ctx context.Context, in 
*GetManifestRequest, opts ...grpc.CallOption) (*GetManifestResponse, error) {
+       out := new(GetManifestResponse)
+       err := grpc.Invoke(ctx, 
"/org.apache.beam.runner_api.v1.ArtifactRetrievalService/GetManifest", in, out, 
c.cc, opts...)
+       if err != nil {
+               return nil, err
+       }
+       return out, nil
+}
+
+func (c *artifactRetrievalServiceClient) GetArtifact(ctx context.Context, in 
*GetArtifactRequest, opts ...grpc.CallOption) 
(ArtifactRetrievalService_GetArtifactClient, error) {
+       stream, err := grpc.NewClientStream(ctx, 
&_ArtifactRetrievalService_serviceDesc.Streams[0], c.cc, 
"/org.apache.beam.runner_api.v1.ArtifactRetrievalService/GetArtifact", opts...)
+       if err != nil {
+               return nil, err
+       }
+       x := &artifactRetrievalServiceGetArtifactClient{stream}
+       if err := x.ClientStream.SendMsg(in); err != nil {
+               return nil, err
+       }
+       if err := x.ClientStream.CloseSend(); err != nil {
+               return nil, err
+       }
+       return x, nil
+}
+
+type ArtifactRetrievalService_GetArtifactClient interface {
+       Recv() (*ArtifactChunk, error)
+       grpc.ClientStream
+}
+
+type artifactRetrievalServiceGetArtifactClient struct {
+       grpc.ClientStream
+}
+
+func (x *artifactRetrievalServiceGetArtifactClient) Recv() (*ArtifactChunk, 
error) {
+       m := new(ArtifactChunk)
+       if err := x.ClientStream.RecvMsg(m); err != nil {
+               return nil, err
+       }
+       return m, nil
+}
+
+// Server API for ArtifactRetrievalService service
+
+type ArtifactRetrievalServiceServer interface {
+       // Get the manifest for the job
+       GetManifest(context.Context, *GetManifestRequest) 
(*GetManifestResponse, error)
+       // Get an artifact staged for the job. The requested artifact must be 
within the manifest
+       GetArtifact(*GetArtifactRequest, 
ArtifactRetrievalService_GetArtifactServer) error
+}
+
+func RegisterArtifactRetrievalServiceServer(s *grpc.Server, srv 
ArtifactRetrievalServiceServer) {
+       s.RegisterService(&_ArtifactRetrievalService_serviceDesc, srv)
+}
+
+func _ArtifactRetrievalService_GetManifest_Handler(srv interface{}, ctx 
context.Context, dec func(interface{}) error, interceptor 
grpc.UnaryServerInterceptor) (interface{}, error) {
+       in := new(GetManifestRequest)
+       if err := dec(in); err != nil {
+               return nil, err
+       }
+       if interceptor == nil {
+               return srv.(ArtifactRetrievalServiceServer).GetManifest(ctx, in)
+       }
+       info := &grpc.UnaryServerInfo{
+               Server:     srv,
+               FullMethod: 
"/org.apache.beam.runner_api.v1.ArtifactRetrievalService/GetManifest",
+       }
+       handler := func(ctx context.Context, req interface{}) (interface{}, 
error) {
+               return srv.(ArtifactRetrievalServiceServer).GetManifest(ctx, 
req.(*GetManifestRequest))
+       }
+       return interceptor(ctx, in, info, handler)
+}
+
+func _ArtifactRetrievalService_GetArtifact_Handler(srv interface{}, stream 
grpc.ServerStream) error {
+       m := new(GetArtifactRequest)
+       if err := stream.RecvMsg(m); err != nil {
+               return err
+       }
+       return srv.(ArtifactRetrievalServiceServer).GetArtifact(m, 
&artifactRetrievalServiceGetArtifactServer{stream})
+}
+
+type ArtifactRetrievalService_GetArtifactServer interface {
+       Send(*ArtifactChunk) error
+       grpc.ServerStream
+}
+
+type artifactRetrievalServiceGetArtifactServer struct {
+       grpc.ServerStream
+}
+
+func (x *artifactRetrievalServiceGetArtifactServer) Send(m *ArtifactChunk) 
error {
+       return x.ServerStream.SendMsg(m)
+}
+
+var _ArtifactRetrievalService_serviceDesc = grpc.ServiceDesc{
+       ServiceName: "org.apache.beam.runner_api.v1.ArtifactRetrievalService",
+       HandlerType: (*ArtifactRetrievalServiceServer)(nil),
+       Methods: []grpc.MethodDesc{
+               {
+                       MethodName: "GetManifest",
+                       Handler:    
_ArtifactRetrievalService_GetManifest_Handler,
+               },
+       },
+       Streams: []grpc.StreamDesc{
+               {
+                       StreamName:    "GetArtifact",
+                       Handler:       
_ArtifactRetrievalService_GetArtifact_Handler,
+                       ServerStreams: true,
+               },
+       },
+       Metadata: "beam_artifact_api.proto",
+}
+
+func init() { proto.RegisterFile("beam_artifact_api.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+       // 540 bytes of a gzipped FileDescriptorProto
+       0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x95, 
0x5f, 0x6b, 0xdb, 0x3c,
+       0x14, 0xc6, 0xeb, 0xe4, 0xe5, 0x9d, 0x73, 0xdc, 0x8c, 0xa0, 0xae, 0x9d, 
0x09, 0x0c, 0x82, 0x3a,
+       0x58, 0x2e, 0x86, 0xd7, 0xa4, 0xcb, 0xe5, 0x2e, 0x9a, 0x5c, 0xac, 0xb0, 
0x05, 0x3a, 0x77, 0x30,
+       0x28, 0x83, 0xa0, 0x3a, 0x6a, 0x2a, 0x52, 0x49, 0x9e, 0xac, 0x98, 0xed, 
0x62, 0x37, 0xfb, 0x02,
+       0xfb, 0x2e, 0xfb, 0x36, 0xfb, 0x36, 0xc3, 0xb2, 0xec, 0xe5, 0x1f, 0x73, 
0x03, 0xbd, 0x3b, 0x9c,
+       0x9c, 0xe7, 0xd1, 0xcf, 0xcf, 0x91, 0x08, 0x3c, 0xbd, 0xa6, 0x84, 0x4f, 
0x88, 0xd2, 0xec, 0x86,
+       0x44, 0x7a, 0x42, 0x62, 0x16, 0xc4, 0x4a, 0x6a, 0x89, 0x9e, 0x49, 0x35, 
0x0b, 0x48, 0x4c, 0xa2,
+       0x5b, 0x1a, 0x64, 0x33, 0x81, 0x5a, 0x08, 0x41, 0x95, 0x99, 0x48, 0x7b, 
0xf8, 0x0a, 0x5a, 0x67,
+       0x56, 0x34, 0xa6, 0x9a, 0x4c, 0x89, 0x26, 0x08, 0xc1, 0x7f, 0x82, 0x70, 
0xea, 0x3b, 0x1d, 0xa7,
+       0xdb, 0x08, 0x4d, 0x8d, 0x3a, 0xe0, 0xc5, 0x54, 0x71, 0x96, 0x24, 0x4c, 
0x8a, 0xc4, 0xaf, 0x75,
+       0x9c, 0x6e, 0x33, 0x5c, 0x6e, 0xa1, 0x16, 0xd4, 0xf9, 0x74, 0xe0, 0xd7, 
0x8d, 0x28, 0x2b, 0xf1,
+       0x27, 0x70, 0xc7, 0x44, 0xb0, 0x1b, 0x9a, 0x68, 0xf4, 0x0e, 0xdc, 0x02, 
0xce, 0x77, 0x3a, 0xf5,
+       0xae, 0xd7, 0x7f, 0x15, 0xfc, 0x93, 0x2c, 0x58, 0xc7, 0x0a, 0x4b, 0x03, 
0xfc, 0xdb, 0x81, 0xe6,
+       0x85, 0x92, 0x5f, 0xbf, 0x95, 0xf6, 0x23, 0x70, 0xb9, 0xad, 0x0d, 0xb6, 
0xd7, 0x7f, 0x51, 0x61,
+       0x5f, 0x48, 0xc3, 0x52, 0x88, 0x3e, 0x80, 0x7b, 0x27, 0x23, 0xa2, 0x99, 
0x14, 0x7e, 0xcd, 0x30,
+       0x0e, 0x2a, 0x4c, 0x56, 0x20, 0x82, 0xf7, 0x56, 0x1c, 0x96, 0x36, 0xed, 
0x13, 0x70, 0x8b, 0xee,
+       0xd6, 0x58, 0x5b, 0x50, 0x5f, 0x28, 0x66, 0xe2, 0x6c, 0x84, 0x59, 0x89, 
0x9f, 0x00, 0x7a, 0x4b,
+       0x75, 0x49, 0x47, 0xbf, 0x2c, 0x68, 0xa2, 0xf1, 0x15, 0x1c, 0xac, 0x74, 
0x93, 0x58, 0x8a, 0x84,
+       0x3e, 0xc8, 0x67, 0xe3, 0xae, 0x39, 0xb1, 0x88, 0xdb, 0x9e, 0xb8, 0x8d, 
0x16, 0x1f, 0x43, 0xb3,
+       0x18, 0x1b, 0xdd, 0x2e, 0xc4, 0x3c, 0x1b, 0xca, 0x56, 0x63, 0x86, 0xf6, 
0x43, 0x53, 0xe3, 0x5f,
+       0x0e, 0xa0, 0x8b, 0xc5, 0x86, 0xdf, 0x18, 0x5c, 0x6e, 0x37, 0x69, 0x51, 
0x77, 0xbd, 0x00, 0xe7,
+       0x7b, 0x61, 0x69, 0x81, 0x86, 0xf6, 0xe4, 0x9a, 0xb1, 0x7a, 0x79, 0x4f, 
0x2b, 0x43, 0x7d, 0xbe,
+       0x97, 0x93, 0x0e, 0x1b, 0xf0, 0x28, 0x92, 0x42, 0x53, 0xa1, 0xf1, 0x21, 
0x1c, 0xac, 0x30, 0xe7,
+       0xf9, 0xe2, 0xcf, 0x70, 0x38, 0x92, 0x9c, 0xb3, 0xf5, 0x7d, 0x3c, 0x4c, 
0xf0, 0x6f, 0xe0, 0x68,
+       0xdd, 0xdd, 0xee, 0xf5, 0x18, 0x9a, 0x89, 0x26, 0x33, 0x26, 0x66, 0x13, 
0x2d, 0xe7, 0x54, 0xd8,
+       0x2d, 0xec, 0xdb, 0xe6, 0xc7, 0xac, 0xd7, 0xff, 0x59, 0x83, 0xa3, 0x82, 
0xf8, 0x32, 0xff, 0xe1,
+       0x92, 0xaa, 0x94, 0x45, 0x14, 0xa5, 0xe0, 0x2d, 0x7d, 0x0e, 0xea, 0x55, 
0x5d, 0xe3, 0x8d, 0x75,
+       0xb5, 0xfb, 0xbb, 0x48, 0x72, 0xea, 0xae, 0x83, 0xbe, 0xc3, 0xe3, 0xd5, 
0x2f, 0x42, 0xaf, 0x2b,
+       0x7c, 0xb6, 0xc6, 0xdb, 0x1e, 0xec, 0xa8, 0xca, 0x01, 0xfa, 0x3f, 0x6a, 
0xe0, 0xff, 0xa5, 0xd2,
+       0x8a, 0xd1, 0x94, 0xdc, 0x15, 0x99, 0x68, 0xf0, 0x96, 0x9e, 0x50, 0x65, 
0x26, 0x9b, 0x8f, 0xb0,
+       0x32, 0x93, 0x6d, 0x2f, 0x34, 0x36, 0xa7, 0xde, 0x7b, 0x13, 0x9b, 0x0f, 
0xb1, 0xbd, 0xd3, 0xdd,
+       0x3e, 0x71, 0x86, 0xa7, 0xf0, 0x7c, 0x5d, 0x90, 0x4c, 0xe7, 0x41, 0x24, 
0x39, 0x97, 0xc2, 0x6a,
+       0x83, 0xb4, 0x37, 0xf4, 0x0a, 0xe1, 0x59, 0xcc, 0xae, 0xff, 0x37, 0x7f, 
0x16, 0xa7, 0x7f, 0x02,
+       0x00, 0x00, 0xff, 0xff, 0x72, 0x5b, 0xc8, 0xd5, 0x47, 0x06, 0x00, 0x00,
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/provision/provision_test.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/provision/provision_test.go 
b/sdks/go/pkg/beam/provision/provision_test.go
new file mode 100644
index 0000000..f29bc9b
--- /dev/null
+++ b/sdks/go/pkg/beam/provision/provision_test.go
@@ -0,0 +1,54 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package provision
+
+import (
+       "reflect"
+       "testing"
+)
+
+type s struct {
+       A int    `json:"a,omitempty"`
+       B string `json:"b,omitempty"`
+       C bool   `json:"c,omitempty"`
+       D *s     `json:"d,omitempty"`
+}
+
+// TestConversions verifies that we can process proto structs via JSON.
+func TestConversions(t *testing.T) {
+       tests := []s{
+               s{},
+               s{A: 2},
+               s{B: "foo"},
+               s{C: true},
+               s{D: &s{A: 3}},
+               s{A: 1, B: "bar", C: true, D: &s{A: 3, B: "baz"}},
+       }
+
+       for _, test := range tests {
+               enc, err := OptionsToProto(test)
+               if err != nil {
+                       t.Errorf("Failed to marshal %v: %v", test, err)
+               }
+               var ret s
+               if err := ProtoToOptions(enc, &ret); err != nil {
+                       t.Errorf("Failed to unmarshal %v from %v: %v", test, 
enc, err)
+               }
+               if !reflect.DeepEqual(test, ret) {
+                       t.Errorf("Unmarshal(Marshal(%v)) = %v, want %v", test, 
ret, test)
+               }
+       }
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/provision/provison.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/provision/provison.go 
b/sdks/go/pkg/beam/provision/provison.go
new file mode 100644
index 0000000..efc418f
--- /dev/null
+++ b/sdks/go/pkg/beam/provision/provison.go
@@ -0,0 +1,80 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package provision contains utilities for obtaining runtime provision,
+// information -- such as pipeline options.
+package provision
+
+import (
+       "context"
+       "encoding/json"
+       "fmt"
+
+       "time"
+
+       pb "github.com/apache/beam/sdks/go/pkg/beam/model/org_apache_beam_fn_v1"
+       "github.com/apache/beam/sdks/go/pkg/beam/util/grpcx"
+       "github.com/golang/protobuf/jsonpb"
+       google_protobuf "github.com/golang/protobuf/ptypes/struct"
+)
+
+// Info returns the runtime provisioning info for the worker.
+func Info(ctx context.Context, endpoint string) (*pb.ProvisionInfo, error) {
+       cc, err := grpcx.Dial(ctx, endpoint, 2*time.Minute)
+       if err != nil {
+               return nil, err
+       }
+       defer cc.Close()
+
+       client := pb.NewProvisionServiceClient(cc)
+
+       resp, err := client.GetProvisionInfo(ctx, &pb.GetProvisionInfoRequest{})
+       if err != nil {
+               return nil, fmt.Errorf("failed to get manifest: %v", err)
+       }
+       return resp.GetInfo(), nil
+}
+
+// OptionsToProto converts pipeline options to a proto struct via JSON.
+func OptionsToProto(v interface{}) (*google_protobuf.Struct, error) {
+       data, err := json.Marshal(v)
+       if err != nil {
+               return nil, err
+       }
+       return JSONToProto(string(data))
+}
+
+// JSONToProto converts JSON-encoded pipeline options to a proto struct.
+func JSONToProto(data string) (*google_protobuf.Struct, error) {
+       var out google_protobuf.Struct
+       if err := jsonpb.UnmarshalString(string(data), &out); err != nil {
+               return nil, err
+       }
+       return &out, nil
+}
+
+// ProtoToOptions converts pipeline options from a proto struct via JSON.
+func ProtoToOptions(opt *google_protobuf.Struct, v interface{}) error {
+       data, err := ProtoToJSON(opt)
+       if err != nil {
+               return err
+       }
+       return json.Unmarshal([]byte(data), v)
+}
+
+// ProtoToJSON converts pipeline options from a proto struct to JSON.
+func ProtoToJSON(opt *google_protobuf.Struct) (string, error) {
+       return (&jsonpb.Marshaler{}).MarshalToString(opt)
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/util/errorx/guarded.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/util/errorx/guarded.go 
b/sdks/go/pkg/beam/util/errorx/guarded.go
new file mode 100644
index 0000000..cc0b07b
--- /dev/null
+++ b/sdks/go/pkg/beam/util/errorx/guarded.go
@@ -0,0 +1,47 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package errorx contains utilities for handling errors.
+package errorx
+
+import "sync"
+
+// GuardedError is a concurrency-safe error wrapper. It is sticky
+// in that the first error won't be overwritten.
+type GuardedError struct {
+       err error
+       mu  sync.Mutex
+}
+
+// Error returns the guarded error.
+func (g *GuardedError) Error() error {
+       g.mu.Lock()
+       defer g.mu.Unlock()
+
+       return g.err
+}
+
+// TrySetError sets the error, if not already set. Returns true iff the
+// error was set.
+func (g *GuardedError) TrySetError(err error) bool {
+       g.mu.Lock()
+       defer g.mu.Unlock()
+
+       upd := g.err == nil
+       if upd {
+               g.err = err
+       }
+       return upd
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/util/execx/exec.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/util/execx/exec.go 
b/sdks/go/pkg/beam/util/execx/exec.go
new file mode 100644
index 0000000..b4978ef
--- /dev/null
+++ b/sdks/go/pkg/beam/util/execx/exec.go
@@ -0,0 +1,33 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package execx contains wrappers and utilities for the exec package.
+package execx
+
+import (
+       "os"
+       "os/exec"
+)
+
+// Execute runs the program with the given arguments. It attaches stdio to the
+// child process.
+func Execute(prog string, args ...string) error {
+       cmd := exec.Command(prog, args...)
+       cmd.Stdin = os.Stdin
+       cmd.Stdout = os.Stdout
+       cmd.Stderr = os.Stderr
+
+       return cmd.Run()
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/util/gcsx/gcs.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/util/gcsx/gcs.go 
b/sdks/go/pkg/beam/util/gcsx/gcs.go
new file mode 100644
index 0000000..2e04be0
--- /dev/null
+++ b/sdks/go/pkg/beam/util/gcsx/gcs.go
@@ -0,0 +1,88 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package gcsx contains utilities for working with Google Cloud Storage (GCS).
+package gcsx
+
+import (
+       "context"
+       "fmt"
+       "io"
+       "io/ioutil"
+       "net/url"
+
+       "golang.org/x/oauth2/google"
+       "google.golang.org/api/storage/v1"
+)
+
+// NewClient creates a new GCS client with default application credentials.
+func NewClient(ctx context.Context, scope string) (*storage.Service, error) {
+       cl, err := google.DefaultClient(ctx, scope)
+       if err != nil {
+               return nil, err
+       }
+       return storage.New(cl)
+}
+
+// WriteObject writes the given content to the specified object. If the object
+// already exist, it is overwritten.
+func WriteObject(client *storage.Service, bucket, object string, r io.Reader) 
error {
+       obj := &storage.Object{
+               Name:   object,
+               Bucket: bucket,
+       }
+       _, err := client.Objects.Insert(bucket, obj).Media(r).Do()
+       return err
+}
+
+// ReadObject reads the content of the given object in full.
+func ReadObject(client *storage.Service, bucket, object string) ([]byte, 
error) {
+       resp, err := client.Objects.Get(bucket, object).Download()
+       if err != nil {
+               return nil, err
+       }
+       return ioutil.ReadAll(resp.Body)
+}
+
+// MakeObject creates a object location from bucket and path. For example,
+// MakeObject("foo", "bar/baz") returns "gs://foo/bar/baz". The bucket
+// must be non-empty.
+func MakeObject(bucket, path string) string {
+       if bucket == "" {
+               panic("bucket must be non-empty")
+       }
+       return fmt.Sprintf("gs://%v/%v", bucket, path)
+}
+
+// ParseObject deconstructs a GCS object name into (bucket, name).
+func ParseObject(object string) (bucket, path string, err error) {
+       parsed, err := url.Parse(object)
+       if err != nil {
+               return "", "", err
+       }
+
+       if parsed.Scheme != "gs" {
+               return "", "", fmt.Errorf("object %s must have 'gs' scheme", 
object)
+       }
+       if parsed.Host == "" {
+               return "", "", fmt.Errorf("object %s must have bucket", object)
+       }
+       if parsed.Path == "" {
+               return parsed.Host, "", nil
+       }
+
+       // remove leading "/" in URL path
+       return parsed.Host, parsed.Path[1:], nil
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/util/grpcx/dial.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/util/grpcx/dial.go 
b/sdks/go/pkg/beam/util/grpcx/dial.go
new file mode 100644
index 0000000..8467ace
--- /dev/null
+++ b/sdks/go/pkg/beam/util/grpcx/dial.go
@@ -0,0 +1,37 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package grpcx
+
+import (
+       "context"
+       "fmt"
+       "time"
+
+       "google.golang.org/grpc"
+)
+
+// Dial is a convenience wrapper over grpc.Dial that specifies an insecure,
+// blocking connection with a timeout.
+func Dial(ctx context.Context, endpoint string, timeout time.Duration) 
(*grpc.ClientConn, error) {
+       ctx, cancel := context.WithTimeout(ctx, timeout)
+       defer cancel()
+
+       cc, err := grpc.DialContext(ctx, endpoint, grpc.WithInsecure(), 
grpc.WithBlock())
+       if err != nil {
+               return nil, fmt.Errorf("failed to dial server at %v: %v", 
endpoint, err)
+       }
+       return cc, nil
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pkg/beam/util/grpcx/metadata.go
----------------------------------------------------------------------
diff --git a/sdks/go/pkg/beam/util/grpcx/metadata.go 
b/sdks/go/pkg/beam/util/grpcx/metadata.go
new file mode 100644
index 0000000..08512c7
--- /dev/null
+++ b/sdks/go/pkg/beam/util/grpcx/metadata.go
@@ -0,0 +1,55 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package grpcx contains utilities for working with gRPC.
+package grpcx
+
+import (
+       "context"
+       "errors"
+       "fmt"
+
+       "google.golang.org/grpc/metadata"
+)
+
+const idKey = "id"
+
+// ReadWorkerID reads the worker ID from an incoming gRPC request context.
+func ReadWorkerId(ctx context.Context) (string, error) {
+       md, ok := metadata.FromIncomingContext(ctx)
+       if !ok {
+               return "", errors.New("failed to read metadata from context")
+       }
+       id, ok := md[idKey]
+       if !ok || len(id) < 1 {
+               return "", fmt.Errorf("failed to find worker id in metadata 
%v", md)
+       }
+       if len(id) > 1 {
+               return "", fmt.Errorf("multiple worker ids in metadata: %v", id)
+       }
+       return id[0], nil
+}
+
+// WriteWorkerID write the worker ID to an outgoing gRPC request context. It
+// merges the information with any existing gRPC metadata.
+func WriteWorkerId(ctx context.Context, id string) context.Context {
+       md := metadata.New(map[string]string{
+               idKey: id,
+       })
+       if old, ok := metadata.FromOutgoingContext(ctx); ok {
+               md = metadata.Join(md, old)
+       }
+       return metadata.NewOutgoingContext(ctx, md)
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/go/pom.xml
----------------------------------------------------------------------
diff --git a/sdks/go/pom.xml b/sdks/go/pom.xml
new file mode 100644
index 0000000..c072b9f
--- /dev/null
+++ b/sdks/go/pom.xml
@@ -0,0 +1,163 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.beam</groupId>
+    <artifactId>beam-sdks-parent</artifactId>
+    <version>2.2.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>beam-sdks-go</artifactId>
+
+  <packaging>pom</packaging>
+
+  <name>Apache Beam :: SDKs :: Go</name>
+
+  <properties>
+    <!-- Add full path directory structure for 'go get' compatibility -->
+    <go.source.base>${project.basedir}/target/src</go.source.base>
+    
<go.source.dir>${go.source.base}/github.com/apache/beam/sdks/go</go.source.dir>
+  </properties>
+
+  <build>
+    <sourceDirectory>${go.source.base}</sourceDirectory>
+    <plugins>
+      <plugin>
+        <artifactId>maven-resources-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>copy-go-pkg-source</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${go.source.dir}/pkg</outputDirectory>
+              <resources>
+                <resource>
+                  <directory>pkg</directory>
+                  <filtering>false</filtering>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
+          <execution>
+            <id>copy-go-cmd-source</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <configuration>
+              
<outputDirectory>${go.source.base}/github.com/apache/beam/cmd</outputDirectory>
+              <resources>
+                <resource>
+                  <directory>cmd</directory>
+                  <filtering>false</filtering>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <!-- export pkg/ sources as zip for inclusion elsewhere -->
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>export-go-pkg-sources</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <descriptors>
+            <descriptor>descriptor.xml</descriptor>
+          </descriptors>
+        </configuration>
+      </plugin>
+
+      <plugin>
+        <groupId>com.igormaznitsa</groupId>
+        <artifactId>mvn-golang-wrapper</artifactId>
+        <executions>
+          <execution>
+            <id>go-get-imports</id>
+            <goals>
+              <goal>get</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>google.golang.org/grpc</package>
+                <package>golang.org/x/oauth2/google</package>
+                <package>google.golang.org/api/storage/v1</package>
+                <package>github.com/spf13/cobra</package>
+              </packages>
+            </configuration>
+          </execution>
+          <execution>
+            <id>go-build</id>
+            <goals>
+              <goal>build</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>github.com/apache/beam/cmd/beamctl</package>
+              </packages>
+              <resultName>beamctl</resultName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>go-build-linux-amd64</id>
+            <goals>
+              <goal>build</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>github.com/apache/beam/cmd/beamctl</package>
+              </packages>
+              <resultName>linux_amd64/beamctl</resultName>
+              <targetArch>amd64</targetArch>
+              <targetOs>linux</targetOs>
+            </configuration>
+          </execution>
+          <execution>
+            <id>go-test</id>
+            <goals>
+              <goal>test</goal>
+            </goals>
+            <phase>test</phase>
+            <configuration>
+              <packages>
+                <folder>./...</folder>
+              </packages>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/java/container/Dockerfile
----------------------------------------------------------------------
diff --git a/sdks/java/container/Dockerfile b/sdks/java/container/Dockerfile
new file mode 100644
index 0000000..7fb325d
--- /dev/null
+++ b/sdks/java/container/Dockerfile
@@ -0,0 +1,28 @@
+###############################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+# limitations under the License.
+###############################################################################
+
+FROM openjdk:8
+MAINTAINER "Apache Beam <[email protected]>"
+
+ADD target/slf4j-api.jar /opt/apache/beam/jars/
+ADD target/slf4j-jdk14.jar /opt/apache/beam/jars/
+ADD target/beam-sdks-java-harness.jar /opt/apache/beam/jars/
+
+ADD target/linux_amd64/boot /opt/apache/beam/
+
+ENTRYPOINT ["/opt/apache/beam/boot"]

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/java/container/boot.go
----------------------------------------------------------------------
diff --git a/sdks/java/container/boot.go b/sdks/java/container/boot.go
new file mode 100644
index 0000000..8c465c3
--- /dev/null
+++ b/sdks/java/container/boot.go
@@ -0,0 +1,111 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// boot is the boot code for the Java SDK harness container. It is responsible
+// for retrieving staged files and invoking the JVM correctly.
+package main
+
+import (
+       "context"
+       "flag"
+       "fmt"
+       "log"
+       "os"
+       "path/filepath"
+       "strings"
+
+       "github.com/apache/beam/sdks/go/pkg/beam/artifact"
+       "github.com/apache/beam/sdks/go/pkg/beam/provision"
+       "github.com/apache/beam/sdks/go/pkg/beam/util/execx"
+       "github.com/apache/beam/sdks/go/pkg/beam/util/grpcx"
+)
+
+var (
+       // Contract: https://s.apache.org/beam-fn-api-container-contract.
+
+       id                = flag.String("id", "", "Local identifier 
(required).")
+       loggingEndpoint   = flag.String("logging_endpoint", "", "Logging 
endpoint (required).")
+       artifactEndpoint  = flag.String("artifact_endpoint", "", "Artifact 
endpoint (required).")
+       provisionEndpoint = flag.String("provision_endpoint", "", "Provision 
endpoint (required).")
+       controlEndpoint   = flag.String("control_endpoint", "", "Control 
endpoint (required).")
+       semiPersistDir    = flag.String("semi_persist_dir", "/tmp", "Local 
semi-persistent directory (optional).")
+)
+
+func main() {
+       flag.Parse()
+       if *id == "" {
+               log.Fatal("No id provided.")
+       }
+       if *loggingEndpoint == "" {
+               log.Fatal("No logging endpoint provided.")
+       }
+       if *artifactEndpoint == "" {
+               log.Fatal("No artifact endpoint provided.")
+       }
+       if *provisionEndpoint == "" {
+               log.Fatal("No provision endpoint provided.")
+       }
+       if *controlEndpoint == "" {
+               log.Fatal("No control endpoint provided.")
+       }
+
+       log.Printf("Initializing java harness: %v", strings.Join(os.Args, " "))
+
+       ctx := grpcx.WriteWorkerId(context.Background(), *id)
+
+       // (1) Obtain the pipeline options
+
+       info, err := provision.Info(ctx, *provisionEndpoint)
+       if err != nil {
+               log.Fatalf("Failed to obtain provisioning information: %v", err)
+       }
+       options, err := provision.ProtoToJSON(info.GetPipelineOptions())
+       if err != nil {
+               log.Fatalf("Failed to convert pipeline options: %v", err)
+       }
+
+       // (2) Retrieve the staged user jars.
+
+       dir := filepath.Join(*semiPersistDir, "staged")
+
+       artifacts, err := artifact.Materialize(ctx, *artifactEndpoint, dir)
+       if err != nil {
+               log.Fatalf("Failed to retrieve staged files: %v", err)
+       }
+
+       // (3) Invoke the Java harness, preserving artifact ordering in 
classpath.
+
+       os.Setenv("PIPELINE_OPTIONS", options)
+       os.Setenv("LOGGING_API_SERVICE_DESCRIPTOR", fmt.Sprintf("id: 
\"1\"\nurl: \"%v\"\n", *loggingEndpoint))
+       os.Setenv("CONTROL_API_SERVICE_DESCRIPTOR", fmt.Sprintf("id: 
\"2\"\nurl: \"%v\"\n", *controlEndpoint))
+
+       const jarsDir = "/opt/apache/beam/jars"
+       cp := []string{
+               filepath.Join(jarsDir, "slf4j-api.jar"),
+               filepath.Join(jarsDir, "slf4j-jdk14.jar"),
+               filepath.Join(jarsDir, "beam-sdks-java-harness.jar"),
+       }
+       for _, md := range artifacts {
+               cp = append(cp, filepath.Join(dir, filepath.FromSlash(md.Name)))
+       }
+
+       args := []string{
+               "-cp", strings.Join(cp, ":"),
+               "org.apache.beam.fn.harness.FnHarness",
+       }
+       log.Printf("Executing: java %v", strings.Join(args, " "))
+
+       log.Fatalf("Java exited: %v", execx.Execute("java", args...))
+}

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/java/container/pom.xml
----------------------------------------------------------------------
diff --git a/sdks/java/container/pom.xml b/sdks/java/container/pom.xml
new file mode 100644
index 0000000..dd970a4
--- /dev/null
+++ b/sdks/java/container/pom.xml
@@ -0,0 +1,184 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.beam</groupId>
+    <artifactId>beam-sdks-java-parent</artifactId>
+    <version>2.2.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>beam-sdks-java-container</artifactId>
+
+  <packaging>pom</packaging>
+
+  <name>Apache Beam :: SDKs :: Java :: Container</name>
+
+  <properties>
+    <!-- Add full path directory structure for 'go get' compatibility -->
+    <go.source.base>${project.basedir}/target/src</go.source.base>
+    
<go.source.dir>${go.source.base}/github.com/apache/beam/sdks/go</go.source.dir>
+  </properties>
+
+  <build>
+    <sourceDirectory>${go.source.base}</sourceDirectory>
+    <plugins>
+      <plugin>
+        <artifactId>maven-resources-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>copy-go-cmd-source</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <configuration>
+              
<outputDirectory>${go.source.base}/github.com/apache/beam/cmd/boot</outputDirectory>
+              <resources>
+                <resource>
+                  <directory>.</directory>
+                  <includes>
+                    <include>*.go</include>
+                  </includes>
+                  <filtering>false</filtering>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <!-- CAVEAT: for latest shared files, run mvn install in sdks/go -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-dependency-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>copy-dependency</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>unpack</goal>
+            </goals>
+            <configuration>
+              <artifactItems>
+                <artifactItem>
+                  <groupId>org.apache.beam</groupId>
+                  <artifactId>beam-sdks-go</artifactId>
+                  <version>${project.version}</version>
+                  <type>zip</type>
+                  <classifier>pkg-sources</classifier>
+                  <overWrite>true</overWrite>
+                  <outputDirectory>${go.source.dir}</outputDirectory>
+                </artifactItem>
+              </artifactItems>
+            </configuration>
+          </execution>
+
+          <execution>
+            <id>copy-dependent-jars</id>
+            <phase>package</phase>
+            <goals>
+              <goal>copy</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${project.basedir}/target</outputDirectory>
+              <stripVersion>true</stripVersion>
+              <artifactItems>
+                <artifactItem>
+                  <groupId>org.slf4j</groupId>
+                  <artifactId>slf4j-api</artifactId>
+                  <overWrite>true</overWrite>
+                </artifactItem>
+                <artifactItem>
+                  <groupId>org.slf4j</groupId>
+                  <artifactId>slf4j-jdk14</artifactId>
+                  <version>${slf4j.version}</version>
+                  <overWrite>true</overWrite>
+                </artifactItem>
+                <artifactItem>
+                  <groupId>org.apache.beam</groupId>
+                  <artifactId>beam-sdks-java-harness</artifactId>
+                  <overWrite>true</overWrite>
+                </artifactItem>
+              </artifactItems>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <plugin>
+        <groupId>com.igormaznitsa</groupId>
+        <artifactId>mvn-golang-wrapper</artifactId>
+        <executions>
+          <execution>
+            <id>go-get-imports</id>
+            <goals>
+              <goal>get</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>google.golang.org/grpc</package>
+                <package>golang.org/x/oauth2/google</package>
+                <package>google.golang.org/api/storage/v1</package>
+              </packages>
+            </configuration>
+          </execution>
+          <execution>
+            <id>go-build</id>
+            <goals>
+              <goal>build</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>github.com/apache/beam/cmd/boot</package>
+              </packages>
+              <resultName>boot</resultName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>go-build-linux-amd64</id>
+            <goals>
+              <goal>build</goal>
+            </goals>
+            <phase>compile</phase>
+            <configuration>
+              <packages>
+                <package>github.com/apache/beam/cmd/boot</package>
+              </packages>
+              <resultName>linux_amd64/boot</resultName>
+              <targetArch>amd64</targetArch>
+              <targetOs>linux</targetOs>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+
+      <plugin>
+        <groupId>com.spotify</groupId>
+        <artifactId>dockerfile-maven-plugin</artifactId>
+        <configuration>
+          <repository>${docker-repository-root}/java</repository>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/java/harness/pom.xml
----------------------------------------------------------------------
diff --git a/sdks/java/harness/pom.xml b/sdks/java/harness/pom.xml
index fe5c2f1..c8ac651 100644
--- a/sdks/java/harness/pom.xml
+++ b/sdks/java/harness/pom.xml
@@ -32,6 +32,71 @@
   <description>This contains the SDK Fn Harness for Beam Java</description>
 
   <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-shade-plugin</artifactId>
+          <executions>
+            <execution>
+              <id>bundle-and-repackage</id>
+              <phase>package</phase>
+              <goals>
+                <goal>shade</goal>
+              </goals>
+              <configuration>
+                <shadeTestJar>true</shadeTestJar>
+                <artifactSet>
+                  <includes>
+                    <include>com.google.guava:guava</include>
+                    <!-- java harness dependencies that are not staged -->
+                    
<include>org.apache.beam:beam-runners-core-construction-java</include>
+                    <include>org.apache.beam:beam-runners-core-java</include>
+                    
<include>org.apache.beam:beam-runners-google-cloud-dataflow-java</include>
+                    
<include>org.apache.beam:beam-sdks-common-runner-api</include>
+                    <include>org.apache.beam:beam-sdks-common-fn-api</include>
+                  </includes>
+                </artifactSet>
+                <filters>
+                  <filter>
+                    <artifact>*:*</artifact>
+                    <excludes>
+                      <exclude>META-INF/*.SF</exclude>
+                      <exclude>META-INF/*.DSA</exclude>
+                      <exclude>META-INF/*.RSA</exclude>
+                    </excludes>
+                  </filter>
+                </filters>
+                <relocations>
+                  <relocation>
+                    <pattern>com.google.common</pattern>
+                    <excludes>
+                      <!-- com.google.common is too generic, need to exclude 
guava-testlib -->
+                      <exclude>com.google.common.**.testing.*</exclude>
+                    </excludes>
+                    <!--suppress MavenModelInspection -->
+                    <shadedPattern>
+                      org.apache.beam.sdks.harness.repackaged.com.google.common
+                    </shadedPattern>
+                  </relocation>
+                  <relocation>
+                    <pattern>com.google.thirdparty</pattern>
+                    <!--suppress MavenModelInspection -->
+                    <shadedPattern>
+                      
org.apache.beam.sdks.harness.repackaged.com.google.thirdparty
+                    </shadedPattern>
+                  </relocation>
+                </relocations>
+                <transformers>
+                  <transformer 
implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"
 />
+                </transformers>
+              </configuration>
+            </execution>
+          </executions>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+
     <plugins>
       <plugin>
         <!--  Override Beam parent to allow Java8 -->
@@ -87,6 +152,7 @@
     </dependency>
 
     <dependency>
+      <!-- TODO: BEAM-2566 remove this dependency -->
       <groupId>org.apache.beam</groupId>
       <artifactId>beam-runners-google-cloud-dataflow-java</artifactId>
     </dependency>

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/java/pom.xml
----------------------------------------------------------------------
diff --git a/sdks/java/pom.xml b/sdks/java/pom.xml
index f0cf8d9..12d09b3 100644
--- a/sdks/java/pom.xml
+++ b/sdks/java/pom.xml
@@ -54,6 +54,7 @@
       </activation>
       <modules>
         <module>harness</module>
+        <module>container</module>
         <module>java8tests</module>
       </modules>
     </profile>

http://git-wip-us.apache.org/repos/asf/beam/blob/c18f15cd/sdks/pom.xml
----------------------------------------------------------------------
diff --git a/sdks/pom.xml b/sdks/pom.xml
index aec8762..0de5648 100644
--- a/sdks/pom.xml
+++ b/sdks/pom.xml
@@ -34,6 +34,7 @@
 
   <modules>
     <module>common</module>
+    <module>go</module>
     <module>java</module>
     <module>python</module>
   </modules>

Reply via email to