api: use weak imports for plugin protobufs

Because of a side-effect import, we have the possibility of pulling in
several unnecessary packages that are used by the plugin and not at
runtime to implement protobuf structures. Setting these imports to
`weak` prevents this from happening, reducing the total import set,
reducing memory usage and binary size.

Signed-off-by: Stephen J Day <stephen.day@docker.com>

api/types/descriptor.pb.go

@@ -21,7 +21,8 @@ package types
 import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
-import _ "github.com/gogo/protobuf/gogoproto"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
 
 import github_com_opencontainers_go_digest "github.com/opencontainers/go-digest"
 
@@ -390,7 +391,7 @@ func init() {
 }
 
 var fileDescriptorDescriptor = []byte{
-	// 232 bytes of a gzipped FileDescriptorProto
+	// 234 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9,
 	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
 	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0xa4, 0x16,
@@ -404,6 +405,6 @@ var fileDescriptorDescriptor = []byte{
 	0x4d, 0x10, 0x12, 0xe2, 0x62, 0x29, 0xce, 0xac, 0x4a, 0x95, 0x60, 0x56, 0x60, 0xd4, 0x60, 0x0e,
 	0x02, 0xb3, 0x9d, 0xbc, 0x4e, 0x3c, 0x94, 0x63, 0xb8, 0xf1, 0x50, 0x8e, 0xa1, 0xe1, 0x91, 0x1c,
 	0xe3, 0x89, 0x47, 0x72, 0x8c, 0x17, 0x1e, 0xc9, 0x31, 0x3e, 0x78, 0x24, 0xc7, 0x18, 0x65, 0x40,
-	0x7c, 0x60, 0x58, 0x83, 0xc9, 0x24, 0x36, 0xb0, 0x07, 0x8d, 0x01, 0x01, 0x00, 0x00, 0xff, 0xff,
-	0x23, 0x14, 0xc9, 0x7c, 0x47, 0x01, 0x00, 0x00,
+	0x7c, 0x60, 0x58, 0x83, 0xc9, 0x08, 0x86, 0x24, 0x36, 0xb0, 0x17, 0x8d, 0x01, 0x01, 0x00, 0x00,
+	0xff, 0xff, 0xea, 0xac, 0x78, 0x9a, 0x49, 0x01, 0x00, 0x00,
 }

api/types/descriptor.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package containerd.types;
 
-import "gogoproto/gogo.proto";
+import weak "gogoproto/gogo.proto";
 
 option go_package = "github.com/containerd/containerd/api/types;types";
 

api/types/metrics.pb.go

@@ -6,7 +6,8 @@ package types
 import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
-import _ "github.com/gogo/protobuf/gogoproto"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
 import google_protobuf1 "github.com/gogo/protobuf/types"
 import _ "github.com/gogo/protobuf/types"
 
@@ -390,7 +391,7 @@ func init() {
 }
 
 var fileDescriptorMetrics = []byte{
-	// 256 bytes of a gzipped FileDescriptorProto
+	// 258 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x48, 0xcf, 0x2c, 0xc9,
 	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
 	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xe7, 0xa6, 0x96,
@@ -405,6 +406,7 @@ var fileDescriptorMetrics = []byte{
 	0x5d, 0x82, 0x98, 0x32, 0x53, 0x84, 0x34, 0xb8, 0x58, 0x52, 0x12, 0x4b, 0x12, 0x25, 0x98, 0xc1,
 	0xc6, 0x8a, 0x60, 0x18, 0xeb, 0x98, 0x57, 0x19, 0x04, 0x56, 0xe1, 0xe4, 0x75, 0xe2, 0xa1, 0x1c,
 	0xc3, 0x8d, 0x87, 0x72, 0x0c, 0x0d, 0x8f, 0xe4, 0x18, 0x4f, 0x3c, 0x92, 0x63, 0xbc, 0xf0, 0x48,
-	0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x28, 0x03, 0xe2, 0x03, 0xd2, 0x1a, 0x4c, 0x26, 0xb1, 0x81,
-	0xcd, 0x37, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xf8, 0x51, 0x36, 0x74, 0x83, 0x01, 0x00, 0x00,
+	0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x28, 0x03, 0xe2, 0x03, 0xd2, 0x1a, 0x4c, 0x46, 0x30, 0x24,
+	0xb1, 0x81, 0x6d, 0x30, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xde, 0x0d, 0x02, 0xfe, 0x85, 0x01,
+	0x00, 0x00,
 }

api/types/metrics.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package containerd.types;
 
-import "gogoproto/gogo.proto";
+import weak "gogoproto/gogo.proto";
 import "google/protobuf/any.proto";
 import "google/protobuf/timestamp.proto";
 

api/types/mount.pb.go

@@ -6,7 +6,8 @@ package types
 import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
-import _ "github.com/gogo/protobuf/gogoproto"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
 
 import strings "strings"
 import reflect "reflect"
@@ -438,7 +439,7 @@ func init() {
 }
 
 var fileDescriptorMount = []byte{
-	// 200 bytes of a gzipped FileDescriptorProto
+	// 202 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x4b, 0xcf, 0x2c, 0xc9,
 	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
 	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xe7, 0xe6, 0x97,
@@ -450,6 +451,6 @@ var fileDescriptorMount = []byte{
 	0x82, 0x8b, 0x3d, 0xbf, 0xa0, 0x24, 0x33, 0x3f, 0xaf, 0x58, 0x82, 0x45, 0x81, 0x59, 0x83, 0x33,
 	0x08, 0xc6, 0x75, 0xf2, 0x3a, 0xf1, 0x50, 0x8e, 0xe1, 0xc6, 0x43, 0x39, 0x86, 0x86, 0x47, 0x72,
 	0x8c, 0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78, 0x24, 0xc7, 0xf8, 0xe0, 0x91, 0x1c, 0x63, 0x94, 0x01,
-	0xf1, 0x1e, 0xb4, 0x06, 0x93, 0x49, 0x6c, 0x60, 0x97, 0x1b, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff,
-	0xe5, 0xc7, 0x07, 0x3f, 0x1b, 0x01, 0x00, 0x00,
+	0xf1, 0x1e, 0xb4, 0x06, 0x93, 0x11, 0x0c, 0x49, 0x6c, 0x60, 0xb7, 0x1b, 0x03, 0x02, 0x00, 0x00,
+	0xff, 0xff, 0x82, 0x1c, 0x02, 0x18, 0x1d, 0x01, 0x00, 0x00,
 }

api/types/mount.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package containerd.types;
 
-import "gogoproto/gogo.proto";
+import weak "gogoproto/gogo.proto";
 
 option go_package = "github.com/containerd/containerd/api/types;types";
 

api/types/platform.pb.go

@@ -6,7 +6,8 @@ package types
 import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
-import _ "github.com/gogo/protobuf/gogoproto"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
 
 import strings "strings"
 import reflect "reflect"
@@ -376,7 +377,7 @@ func init() {
 }
 
 var fileDescriptorPlatform = []byte{
-	// 203 bytes of a gzipped FileDescriptorProto
+	// 205 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4c, 0xcf, 0x2c, 0xc9,
 	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
 	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0x17, 0xe4, 0x24,
@@ -388,6 +389,6 @@ var fileDescriptorPlatform = []byte{
 	0x40, 0x2a, 0x82, 0x50, 0xc4, 0x84, 0x24, 0xb8, 0xd8, 0xcb, 0x12, 0x8b, 0x32, 0x13, 0xf3, 0x4a,
 	0x24, 0x98, 0xc1, 0xd2, 0x30, 0xae, 0x93, 0xd7, 0x89, 0x87, 0x72, 0x0c, 0x37, 0x1e, 0xca, 0x31,
 	0x34, 0x3c, 0x92, 0x63, 0x3c, 0xf1, 0x48, 0x8e, 0xf1, 0xc2, 0x23, 0x39, 0xc6, 0x07, 0x8f, 0xe4,
-	0x18, 0xa3, 0x0c, 0x88, 0xf7, 0x9e, 0x35, 0x98, 0x4c, 0x62, 0x03, 0x3b, 0xda, 0x18, 0x10, 0x00,
-	0x00, 0xff, 0xff, 0x97, 0xa1, 0x99, 0x56, 0x19, 0x01, 0x00, 0x00,
+	0x18, 0xa3, 0x0c, 0x88, 0xf7, 0x9e, 0x35, 0x98, 0x8c, 0x60, 0x48, 0x62, 0x03, 0x3b, 0xdb, 0x18,
+	0x10, 0x00, 0x00, 0xff, 0xff, 0x05, 0xaa, 0xda, 0xa1, 0x1b, 0x01, 0x00, 0x00,
 }

api/types/platform.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package containerd.types;
 
-import "gogoproto/gogo.proto";
+import weak "gogoproto/gogo.proto";
 
 option go_package = "github.com/containerd/containerd/api/types;types";
 

api/types/task/task.pb.go

@@ -16,7 +16,8 @@ package task
 import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
-import _ "github.com/gogo/protobuf/gogoproto"
+
+// skipping weak import gogoproto "github.com/gogo/protobuf/gogoproto"
 import _ "github.com/gogo/protobuf/types"
 import google_protobuf2 "github.com/gogo/protobuf/types"
 
@@ -850,39 +851,40 @@ func init() {
 }
 
 var fileDescriptorTask = []byte{
-	// 543 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0xcf, 0x6e, 0xd3, 0x4c,
-	0x14, 0xc5, 0x33, 0x6e, 0xe3, 0x24, 0xe3, 0xb6, 0x9f, 0x3f, 0x13, 0x55, 0xc6, 0x20, 0xdb, 0xea,
-	0xca, 0x62, 0x61, 0x8b, 0x74, 0xc7, 0x2e, 0xff, 0x84, 0x2c, 0x24, 0x37, 0x72, 0x12, 0xb1, 0x8c,
-	0x9c, 0x78, 0x62, 0x46, 0x6d, 0x66, 0x2c, 0x7b, 0x0c, 0x64, 0xc7, 0x12, 0x75, 0xc5, 0x0b, 0x74,
-	0x05, 0x4f, 0xc1, 0x13, 0x64, 0xc9, 0x0a, 0xb1, 0x0a, 0xd4, 0x4f, 0x82, 0xc6, 0x76, 0xd2, 0x08,
-	0xd8, 0x8c, 0xee, 0x3d, 0xbf, 0x33, 0x77, 0xee, 0x1c, 0xf8, 0x22, 0xc2, 0xec, 0x4d, 0x36, 0xb7,
-	0x17, 0x74, 0xe5, 0x2c, 0x28, 0x61, 0x01, 0x26, 0x28, 0x09, 0x0f, 0xcb, 0x20, 0xc6, 0x0e, 0x5b,
-	0xc7, 0x28, 0x75, 0x58, 0x90, 0x5e, 0x17, 0x87, 0x1d, 0x27, 0x94, 0x51, 0xe5, 0xd1, 0x83, 0xcb,
-	0x7e, 0xfb, 0xdc, 0x2e, 0x4c, 0x5a, 0x3b, 0xa2, 0x11, 0x2d, 0xb8, 0xc3, 0xab, 0xd2, 0xaa, 0x19,
-	0x11, 0xa5, 0xd1, 0x0d, 0x72, 0x8a, 0x6e, 0x9e, 0x2d, 0x1d, 0x86, 0x57, 0x28, 0x65, 0xc1, 0x2a,
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+	// 545 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x3f, 0x6f, 0xd3, 0x40,
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+	0x67, 0x13, 0xa8, 0x33, 0xda, 0x24, 0xde, 0x69, 0xac, 0xd6, 0xa6, 0xf0, 0xf9, 0x97, 0x09, 0x82,
+	0x46, 0x75, 0xad, 0xcd, 0xce, 0x3d, 0x28, 0xd7, 0x19, 0x7b, 0x64, 0x4e, 0x37, 0xd9, 0x80, 0xfb,
+	0x6c, 0x6c, 0xb8, 0x8f, 0xc9, 0x9c, 0x96, 0x39, 0xca, 0xad, 0xe6, 0x3f, 0xe3, 0xdb, 0x64, 0x19,
+	0x94, 0x8e, 0x67, 0x3f, 0x00, 0x94, 0xea, 0xc5, 0x0c, 0x78, 0x38, 0xf6, 0x5f, 0xf9, 0x97, 0xaf,
+	0x7d, 0x45, 0xd0, 0x1f, 0xde, 0xdc, 0x5a, 0x27, 0x15, 0x18, 0x93, 0x2b, 0x42, 0xdf, 0x13, 0xce,
+	0xbb, 0x41, 0xbf, 0x3d, 0xea, 0xf7, 0x14, 0xb0, 0xcb, 0xbb, 0x29, 0x0a, 0x19, 0x8a, 0x38, 0x0f,
+	0xc6, 0xbe, 0xef, 0xf9, 0x2f, 0x15, 0x71, 0x97, 0x07, 0x39, 0x21, 0x98, 0xc4, 0x9c, 0x0f, 0x47,
+	0x97, 0x83, 0x41, 0xbf, 0xa7, 0xec, 0xed, 0xf2, 0x21, 0xa3, 0x49, 0x82, 0x22, 0xf5, 0x29, 0x94,
+	0x06, 0xed, 0xf1, 0xb0, 0xdf, 0x53, 0xf6, 0x75, 0xe5, 0xe6, 0xd6, 0x3a, 0xae, 0xf0, 0x20, 0xcc,
+	0xb3, 0x6a, 0x3a, 0xa7, 0x7c, 0xfa, 0xc1, 0xee, 0x6d, 0x8e, 0x31, 0x89, 0xf5, 0xd3, 0x4f, 0x5f,
+	0x0c, 0xe1, 0xdb, 0x57, 0xa3, 0xfe, 0x4d, 0x47, 0x5b, 0xdd, 0x19, 0xc2, 0xcf, 0x3b, 0x43, 0xf8,
+	0x58, 0x18, 0x60, 0x55, 0x18, 0xe0, 0x7b, 0x61, 0x80, 0xdf, 0x85, 0x01, 0xde, 0x08, 0x53, 0xa9,
+	0x0c, 0xe2, 0xe2, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc3, 0x32, 0xd2, 0x86, 0x50, 0x03, 0x00,
+	0x00,
 }

api/types/task/task.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package containerd.v1.types;
 
-import "gogoproto/gogo.proto";
+import weak "gogoproto/gogo.proto";
 import "google/protobuf/timestamp.proto";
 import "google/protobuf/any.proto";