Add the file command with read subcommand

cmd/speedrun/cli/file.go

@@ -0,0 +1,92 @@
+package cli
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/alitto/pond"
+	"github.com/apex/log"
+	"github.com/dpogorzelski/speedrun/pkg/speedrun/cloud"
+	portalpb "github.com/dpogorzelski/speedrun/proto/portal"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"storj.io/drpc/drpcconn"
+)
+
+var fileCmd = &cobra.Command{
+	Use:              "file",
+	Short:            "Manage files",
+	TraverseChildren: true,
+}
+
+var readCmd = &cobra.Command{
+	Use:     "read <path>",
+	Short:   "Read a file",
+	Example: "  speedrun file read /etc/resolv.conf",
+	Args:    cobra.MinimumNArgs(1),
+	RunE:    read,
+}
+
+func init() {
+	fileCmd.SetUsageTemplate(usage)
+	fileCmd.AddCommand(readCmd)
+}
+
+func read(cmd *cobra.Command, args []string) error {
+	usePrivateIP := viper.GetBool("portal.use-private-ip")
+
+	tlsConfig, err := cloud.SetupTLS()
+	if err != nil {
+		return err
+	}
+
+	target, err := cmd.Flags().GetString("target")
+	if err != nil {
+		return err
+	}
+
+	portals, err := cloud.GetInstances(target)
+	if err != nil {
+		return err
+	}
+
+	pool := pond.New(1000, 10000)
+	for _, p := range portals {
+		portal := p
+		pool.Submit(func() {
+			fields := log.Fields{
+				"host":    portal.Name,
+				"address": portal.GetAddress(usePrivateIP),
+			}
+			log := log.WithFields(fields)
+
+			addr := fmt.Sprintf("%s:%d", portal.GetAddress(usePrivateIP), 1337)
+			rawconn, err := tls.Dial("tcp", addr, tlsConfig)
+			if err != nil {
+				log.Error(err.Error())
+				return
+			}
+
+			conn := drpcconn.New(rawconn)
+			defer conn.Close()
+
+			c := portalpb.NewDRPCPortalClient(conn)
+			ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+			defer cancel()
+
+			path := strings.Join(args, " ")
+			r, err := c.FileRead(ctx, &portalpb.FileReadRequest{Path: path})
+			if err != nil {
+				log.Error(err.Error())
+				return
+			}
+			log.WithField("state", r.GetState()).Infof("Contents of %s:\n%s", path, r.GetContent())
+
+		})
+	}
+	pool.StopAndWait()
+	return nil
+}

cmd/speedrun/cli/root.go

@@ -36,7 +36,7 @@ func Execute() {
 
 	cobra.OnInitialize(initConfig)
 	rootCmd.SetUsageTemplate(rootUsage)
-	rootCmd.AddCommand(runCmd, serviceCmd)
+	rootCmd.AddCommand(runCmd, serviceCmd, fileCmd)
 
 	home, err := homedir.Dir()
 	if err != nil {

cmd/speedrun/cli/templates/root.tmpl

@@ -5,7 +5,7 @@ Usage:{{if .Runnable}}
 Core Commands:{{range .Commands}}{{if (or (eq .Name "help") (eq .Name "completion"))}}
   {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}
 
-Action Commands:{{range .Commands}}{{if (or (eq .Name "run") (eq .Name "exec") (eq .Name "service"))}}
+Action Commands:{{range .Commands}}{{if (or (eq .Name "run") (eq .Name "exec") (eq .Name "service") (eq .Name "file"))}}
   {{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}
 {{if .HasAvailableLocalFlags}}
 Flags:

pkg/portal/file.go

@@ -0,0 +1,27 @@
+package portal
+
+import (
+	"context"
+	"os"
+
+	"github.com/apex/log"
+	"github.com/dpogorzelski/speedrun/proto/portal"
+)
+
+func (s *Server) FileRead(ctx context.Context, file *portal.FileReadRequest) (*portal.FileReadResponse, error) {
+	fields := log.Fields{
+		"context": "file",
+		"command": "read",
+		"name":    file.GetPath(),
+	}
+	log := log.WithFields(fields)
+	log.Debug("Received file read request")
+
+	content, err := os.ReadFile(file.GetPath())
+	if err != nil {
+		log.Error(err.Error())
+		return nil, err
+	}
+
+	return &portal.FileReadResponse{State: portal.State_UNKNOWN, Content: string(content)}, nil
+}

proto/portal/portal.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.19.4
 // source: portal/portal.proto
 
 package portal
@@ -453,6 +453,108 @@ func (x *CPUusageResponse) GetLoadavg15() int32 {
 	return 0
 }
 
+type FileReadRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *FileReadRequest) Reset() {
+	*x = FileReadRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_portal_portal_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FileReadRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileReadRequest) ProtoMessage() {}
+
+func (x *FileReadRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_portal_portal_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileReadRequest.ProtoReflect.Descriptor instead.
+func (*FileReadRequest) Descriptor() ([]byte, []int) {
+	return file_portal_portal_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *FileReadRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+type FileReadResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	State   State  `protobuf:"varint,1,opt,name=state,proto3,enum=portal.State" json:"state,omitempty"`
+	Content string `protobuf:"bytes,2,opt,name=content,proto3" json:"content,omitempty"`
+}
+
+func (x *FileReadResponse) Reset() {
+	*x = FileReadResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_portal_portal_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FileReadResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileReadResponse) ProtoMessage() {}
+
+func (x *FileReadResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_portal_portal_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileReadResponse.ProtoReflect.Descriptor instead.
+func (*FileReadResponse) Descriptor() ([]byte, []int) {
+	return file_portal_portal_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *FileReadResponse) GetState() State {
+	if x != nil {
+		return x.State
+	}
+	return State_UNKNOWN
+}
+
+func (x *FileReadResponse) GetContent() string {
+	if x != nil {
+		return x.Content
+	}
+	return ""
+}
+
 var File_portal_portal_proto protoreflect.FileDescriptor
 
 var file_portal_portal_proto_rawDesc = []byte{
@@ -491,40 +593,51 @@ var file_portal_portal_proto_rawDesc = []byte{
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+	0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3f, 0x0a, 0x08, 0x46, 0x69, 0x6c, 0x65, 0x52, 0x65,
+	0x61, 0x64, 0x12, 0x17, 0x2e, 0x70, 0x6f, 0x72, 0x74, 0x61, 0x6c, 0x2e, 0x46, 0x69, 0x6c, 0x65,
+	0x52, 0x65, 0x61, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x70, 0x6f,
+	0x72, 0x74, 0x61, 0x6c, 0x2e, 0x46, 0x69, 0x6c, 0x65, 0x52, 0x65, 0x61, 0x64, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x2f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x64, 0x70, 0x6f, 0x67, 0x6f, 0x72, 0x7a, 0x65, 0x6c, 0x73,
+	0x6b, 0x69, 0x2f, 0x73, 0x70, 0x65, 0x65, 0x64, 0x72, 0x75, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x2f, 0x70, 0x6f, 0x72, 0x74, 0x61, 0x6c, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -540,7 +653,7 @@ func file_portal_portal_proto_rawDescGZIP() []byte {
 }
 
 var file_portal_portal_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_portal_portal_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_portal_portal_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_portal_portal_proto_goTypes = []interface{}{
 	(State)(0),                    // 0: portal.State
 	(*CommandRequest)(nil),        // 1: portal.CommandRequest
@@ -550,28 +663,33 @@ var file_portal_portal_proto_goTypes = []interface{}{
 	(*ServiceStatusResponse)(nil), // 5: portal.ServiceStatusResponse
 	(*CPUusageRequest)(nil),       // 6: portal.CPUusageRequest
 	(*CPUusageResponse)(nil),      // 7: portal.CPUusageResponse
+	(*FileReadRequest)(nil),       // 8: portal.FileReadRequest
+	(*FileReadResponse)(nil),      // 9: portal.FileReadResponse
 }
 var file_portal_portal_proto_depIdxs = []int32{
-	0, // 0: portal.CommandResponse.state:type_name -> portal.State
-	0, // 1: portal.ServiceResponse.state:type_name -> portal.State
-	0, // 2: portal.ServiceStatusResponse.state:type_name -> portal.State
-	3, // 3: portal.Portal.ServiceRestart:input_type -> portal.ServiceRequest
-	3, // 4: portal.Portal.ServiceStart:input_type -> portal.ServiceRequest
-	3, // 5: portal.Portal.ServiceStop:input_type -> portal.ServiceRequest
-	3, // 6: portal.Portal.ServiceStatus:input_type -> portal.ServiceRequest
-	1, // 7: portal.Portal.RunCommand:input_type -> portal.CommandRequest
-	6, // 8: portal.Portal.CPUusage:input_type -> portal.CPUusageRequest
-	4, // 9: portal.Portal.ServiceRestart:output_type -> portal.ServiceResponse
-	4, // 10: portal.Portal.ServiceStart:output_type -> portal.ServiceResponse
-	4, // 11: portal.Portal.ServiceStop:output_type -> portal.ServiceResponse
-	5, // 12: portal.Portal.ServiceStatus:output_type -> portal.ServiceStatusResponse
-	2, // 13: portal.Portal.RunCommand:output_type -> portal.CommandResponse
-	7, // 14: portal.Portal.CPUusage:output_type -> portal.CPUusageResponse
-	9, // [9:15] is the sub-list for method output_type
-	3, // [3:9] is the sub-list for method input_type
-	3, // [3:3] is the sub-list for extension type_name
-	3, // [3:3] is the sub-list for extension extendee
-	0, // [0:3] is the sub-list for field type_name
+	0,  // 0: portal.CommandResponse.state:type_name -> portal.State
+	0,  // 1: portal.ServiceResponse.state:type_name -> portal.State
+	0,  // 2: portal.ServiceStatusResponse.state:type_name -> portal.State
+	0,  // 3: portal.FileReadResponse.state:type_name -> portal.State
+	3,  // 4: portal.Portal.ServiceRestart:input_type -> portal.ServiceRequest
+	3,  // 5: portal.Portal.ServiceStart:input_type -> portal.ServiceRequest
+	3,  // 6: portal.Portal.ServiceStop:input_type -> portal.ServiceRequest
+	3,  // 7: portal.Portal.ServiceStatus:input_type -> portal.ServiceRequest
+	1,  // 8: portal.Portal.RunCommand:input_type -> portal.CommandRequest
+	6,  // 9: portal.Portal.CPUusage:input_type -> portal.CPUusageRequest
+	8,  // 10: portal.Portal.FileRead:input_type -> portal.FileReadRequest
+	4,  // 11: portal.Portal.ServiceRestart:output_type -> portal.ServiceResponse
+	4,  // 12: portal.Portal.ServiceStart:output_type -> portal.ServiceResponse
+	4,  // 13: portal.Portal.ServiceStop:output_type -> portal.ServiceResponse
+	5,  // 14: portal.Portal.ServiceStatus:output_type -> portal.ServiceStatusResponse
+	2,  // 15: portal.Portal.RunCommand:output_type -> portal.CommandResponse
+	7,  // 16: portal.Portal.CPUusage:output_type -> portal.CPUusageResponse
+	9,  // 17: portal.Portal.FileRead:output_type -> portal.FileReadResponse
+	11, // [11:18] is the sub-list for method output_type
+	4,  // [4:11] is the sub-list for method input_type
+	4,  // [4:4] is the sub-list for extension type_name
+	4,  // [4:4] is the sub-list for extension extendee
+	0,  // [0:4] is the sub-list for field type_name
 }
 
 func init() { file_portal_portal_proto_init() }
@@ -664,6 +782,30 @@ func file_portal_portal_proto_init() {
 				return nil
 			}
 		}
+		file_portal_portal_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FileReadRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_portal_portal_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FileReadResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -671,7 +813,7 @@ func file_portal_portal_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_portal_portal_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   7,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/portal/portal.proto

@@ -42,14 +42,24 @@ message CPUusageResponse {
   int32 loadavg15 = 3;
 }
 
+message FileReadRequest {
+  string path = 1;
+}
+
+message FileReadResponse {
+  State state = 1;
+  string content = 2;
+}
+
 service Portal {
   rpc ServiceRestart(ServiceRequest) returns (ServiceResponse) {}
   rpc ServiceStart(ServiceRequest) returns (ServiceResponse) {}
   rpc ServiceStop(ServiceRequest) returns (ServiceResponse) {}
   rpc ServiceStatus(ServiceRequest) returns (ServiceStatusResponse) {}
   rpc RunCommand(CommandRequest) returns (CommandResponse) {}
-  rpc CPUusage(CPUusageRequest) returns (CPUusageResponse) {
-  }  // --target group1 --target group2
+  rpc CPUusage(CPUusageRequest) returns (CPUusageResponse) {}
+  rpc FileRead(FileReadRequest) returns (FileReadResponse) {}
+  // --target group1 --target group2
   // rpc CPUProfile(CPUProfileRequest) returns (CPUProfileResponse) {}
   // rpc MemProfile(MemProfileRequest) returns (MemProfileResponse) {}
   // rpc EnsureMountedDisk()

proto/portal/portal_drpc.pb.go

@@ -1,5 +1,5 @@
 // Code generated by protoc-gen-go-drpc. DO NOT EDIT.
-// protoc-gen-go-drpc version: v0.0.26
+// protoc-gen-go-drpc version: v0.0.30
 // source: portal/portal.proto
 
 package portal
@@ -44,6 +44,7 @@ type DRPCPortalClient interface {
 	ServiceStatus(ctx context.Context, in *ServiceRequest) (*ServiceStatusResponse, error)
 	RunCommand(ctx context.Context, in *CommandRequest) (*CommandResponse, error)
 	CPUusage(ctx context.Context, in *CPUusageRequest) (*CPUusageResponse, error)
+	FileRead(ctx context.Context, in *FileReadRequest) (*FileReadResponse, error)
 }
 
 type drpcPortalClient struct {
@@ -110,6 +111,15 @@ func (c *drpcPortalClient) CPUusage(ctx context.Context, in *CPUusageRequest) (*
 	return out, nil
 }
 
+func (c *drpcPortalClient) FileRead(ctx context.Context, in *FileReadRequest) (*FileReadResponse, error) {
+	out := new(FileReadResponse)
+	err := c.cc.Invoke(ctx, "/portal.Portal/FileRead", drpcEncoding_File_portal_portal_proto{}, in, out)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 type DRPCPortalServer interface {
 	ServiceRestart(context.Context, *ServiceRequest) (*ServiceResponse, error)
 	ServiceStart(context.Context, *ServiceRequest) (*ServiceResponse, error)
@@ -117,6 +127,7 @@ type DRPCPortalServer interface {
 	ServiceStatus(context.Context, *ServiceRequest) (*ServiceStatusResponse, error)
 	RunCommand(context.Context, *CommandRequest) (*CommandResponse, error)
 	CPUusage(context.Context, *CPUusageRequest) (*CPUusageResponse, error)
+	FileRead(context.Context, *FileReadRequest) (*FileReadResponse, error)
 }
 
 type DRPCPortalUnimplementedServer struct{}
@@ -145,9 +156,13 @@ func (s *DRPCPortalUnimplementedServer) CPUusage(context.Context, *CPUusageReque
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
+func (s *DRPCPortalUnimplementedServer) FileRead(context.Context, *FileReadRequest) (*FileReadResponse, error) {
+	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
+}
+
 type DRPCPortalDescription struct{}
 
-func (DRPCPortalDescription) NumMethods() int { return 6 }
+func (DRPCPortalDescription) NumMethods() int { return 7 }
 
 func (DRPCPortalDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver, interface{}, bool) {
 	switch n {
@@ -205,6 +220,15 @@ func (DRPCPortalDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver
 						in1.(*CPUusageRequest),
 					)
 			}, DRPCPortalServer.CPUusage, true
+	case 6:
+		return "/portal.Portal/FileRead", drpcEncoding_File_portal_portal_proto{},
+			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
+				return srv.(DRPCPortalServer).
+					FileRead(
+						ctx,
+						in1.(*FileReadRequest),
+					)
+			}, DRPCPortalServer.FileRead, true
 	default:
 		return "", nil, nil, nil, false
 	}
@@ -309,3 +333,19 @@ func (x *drpcPortal_CPUusageStream) SendAndClose(m *CPUusageResponse) error {
 	}
 	return x.CloseSend()
 }
+
+type DRPCPortal_FileReadStream interface {
+	drpc.Stream
+	SendAndClose(*FileReadResponse) error
+}
+
+type drpcPortal_FileReadStream struct {
+	drpc.Stream
+}
+
+func (x *drpcPortal_FileReadStream) SendAndClose(m *FileReadResponse) error {
+	if err := x.MsgSend(m, drpcEncoding_File_portal_portal_proto{}); err != nil {
+		return err
+	}
+	return x.CloseSend()
+}