diff --git a/drivers/docker/docklog/client.go b/drivers/docker/docklog/client.go new file mode 100644 index 000000000000..3bb1b83120bc --- /dev/null +++ b/drivers/docker/docklog/client.go @@ -0,0 +1,35 @@ +package docklog + +import ( + "context" + + "github.com/hashicorp/nomad/drivers/docker/docklog/proto" +) + +// dockerLoggerClient implements the dockerLogger interface for client side requests +type dockerLoggerClient struct { + client proto.DockerLoggerClient +} + +// Start proxies the Start client side func to the protobuf interface +func (c *dockerLoggerClient) Start(opts *StartOpts) error { + req := &proto.StartRequest{ + Endpoint: opts.Endpoint, + ContainerId: opts.ContainerID, + StdoutFifo: opts.Stdout, + StderrFifo: opts.Stderr, + + TlsCert: opts.TLSCert, + TlsKey: opts.TLSKey, + TlsCa: opts.TLSCA, + } + _, err := c.client.Start(context.Background(), req) + return err +} + +// Stop proxies the Stop client side func to the protobuf interface +func (c *dockerLoggerClient) Stop() error { + req := &proto.StopRequest{} + _, err := c.client.Stop(context.Background(), req) + return err +} diff --git a/drivers/docker/docklog/docker_logger.go b/drivers/docker/docklog/docker_logger.go new file mode 100644 index 000000000000..afa1c89c7f79 --- /dev/null +++ b/drivers/docker/docklog/docker_logger.go @@ -0,0 +1,141 @@ +package docklog + +import ( + "fmt" + "io" + + docker "github.com/fsouza/go-dockerclient" + hclog "github.com/hashicorp/go-hclog" + multierror "github.com/hashicorp/go-multierror" + "github.com/hashicorp/nomad/client/lib/fifo" + "golang.org/x/net/context" +) + +// DockerLogger is a small utility to forward logs from a docker container to a target +// destination +type DockerLogger interface { + Start(*StartOpts) error + Stop() error +} + +// StartOpts are the options needed to start docker log monitoring +type StartOpts struct { + // Endpoint sets the docker client endpoint, defaults to environment if not set + Endpoint string + + // ContainerID of the container to monitor logs for + ContainerID string + + // Stdout path to fifo + Stdout string + //Stderr path to fifo + Stderr string + + // TLS settings for docker client + TLSCert string + TLSKey string + TLSCA string +} + +// NewDockerLogger returns an implementation of the DockerLogger interface +func NewDockerLogger(logger hclog.Logger) DockerLogger { + return &dockerLogger{logger: logger} +} + +// dockerLogger implements the DockerLogger interface +type dockerLogger struct { + logger hclog.Logger + + stdout io.WriteCloser + stderr io.WriteCloser + cancelCtx context.CancelFunc +} + +// Start log monitoring +func (d *dockerLogger) Start(opts *StartOpts) error { + client, err := d.getDockerClient(opts) + if err != nil { + return fmt.Errorf("failed to open docker client: %v", err) + } + + if d.stdout == nil { + stdout, err := fifo.Open(opts.Stdout) + if err != nil { + return fmt.Errorf("failed to open fifo for path %s: %v", opts.Stdout, err) + } + d.stdout = stdout + } + if d.stderr == nil { + stderr, err := fifo.Open(opts.Stderr) + if err != nil { + return fmt.Errorf("failed to open fifo for path %s: %v", opts.Stdout, err) + } + d.stderr = stderr + } + ctx, cancel := context.WithCancel(context.Background()) + d.cancelCtx = cancel + + logOpts := docker.LogsOptions{ + Context: ctx, + Container: opts.ContainerID, + OutputStream: d.stdout, + ErrorStream: d.stderr, + Since: 0, + Follow: true, + Stdout: true, + Stderr: true, + } + + go func() { client.Logs(logOpts) }() + return nil + +} + +// Stop log monitoring +func (d *dockerLogger) Stop() error { + if d.cancelCtx != nil { + d.cancelCtx() + } + if d.stdout != nil { + d.stdout.Close() + } + if d.stderr != nil { + d.stderr.Close() + } + return nil +} + +func (d *dockerLogger) getDockerClient(opts *StartOpts) (*docker.Client, error) { + var err error + var merr multierror.Error + var newClient *docker.Client + + // Default to using whatever is configured in docker.endpoint. If this is + // not specified we'll fall back on NewClientFromEnv which reads config from + // the DOCKER_* environment variables DOCKER_HOST, DOCKER_TLS_VERIFY, and + // DOCKER_CERT_PATH. This allows us to lock down the config in production + // but also accept the standard ENV configs for dev and test. + if opts.Endpoint != "" { + if opts.TLSCert+opts.TLSKey+opts.TLSCA != "" { + d.logger.Debug("using TLS client connection to docker", "endpoint", opts.Endpoint) + newClient, err = docker.NewTLSClient(opts.Endpoint, opts.TLSCert, opts.TLSKey, opts.TLSCA) + if err != nil { + merr.Errors = append(merr.Errors, err) + } + } else { + d.logger.Debug("using plaintext client connection to docker", "endpoint", opts.Endpoint) + newClient, err = docker.NewClient(opts.Endpoint) + if err != nil { + merr.Errors = append(merr.Errors, err) + } + } + } else { + d.logger.Debug("using client connection initialized from environment") + newClient, err = docker.NewClientFromEnv() + if err != nil { + merr.Errors = append(merr.Errors, err) + } + } + + return newClient, merr.ErrorOrNil() +} diff --git a/drivers/docker/docklog/docker_logger_test.go b/drivers/docker/docklog/docker_logger_test.go new file mode 100644 index 000000000000..9a09d8796210 --- /dev/null +++ b/drivers/docker/docklog/docker_logger_test.go @@ -0,0 +1,103 @@ +package docklog + +import ( + "bytes" + "fmt" + "testing" + + docker "github.com/fsouza/go-dockerclient" + "github.com/hashicorp/nomad/helper/testlog" + "github.com/hashicorp/nomad/testutil" + "github.com/stretchr/testify/require" + "golang.org/x/net/context" +) + +func TestDockerLogger(t *testing.T) { + t.Parallel() + require := require.New(t) + + client, err := docker.NewClientFromEnv() + if err != nil { + t.Skip("docker unavailable:", err) + } + + containerConf := docker.CreateContainerOptions{ + Config: &docker.Config{ + Cmd: []string{ + "/bin/ash", "-c", "touch /tmp/docklog; tail -f /tmp/docklog", + }, + Image: "alpine", + }, + Context: context.Background(), + } + + container, err := client.CreateContainer(containerConf) + require.NoError(err) + + defer client.RemoveContainer(docker.RemoveContainerOptions{ + ID: container.ID, + Force: true, + }) + + err = client.StartContainer(container.ID, nil) + require.NoError(err) + + testutil.WaitForResult(func() (bool, error) { + container, err = client.InspectContainer(container.ID) + if err != nil { + return false, err + } + if !container.State.Running { + return false, fmt.Errorf("container not running") + } + return true, nil + }, func(err error) { + require.NoError(err) + }) + + stdout := &noopCloser{bytes.NewBuffer(nil)} + stderr := &noopCloser{bytes.NewBuffer(nil)} + + dl := NewDockerLogger(testlog.HCLogger(t)).(*dockerLogger) + dl.stdout = stdout + dl.stderr = stderr + require.NoError(dl.Start(&StartOpts{ + ContainerID: container.ID, + })) + + echoToContainer(t, client, container.ID, "abc") + echoToContainer(t, client, container.ID, "123") + + testutil.WaitForResult(func() (bool, error) { + act := stdout.String() + if "abc\n123\n" != act { + return false, fmt.Errorf("expected abc\\n123\\n for stdout but got %s", act) + } + + return true, nil + }, func(err error) { + require.NoError(err) + }) +} + +func echoToContainer(t *testing.T, client *docker.Client, id string, line string) { + op := docker.CreateExecOptions{ + Container: id, + Cmd: []string{ + "/bin/ash", "-c", + fmt.Sprintf("echo %s >>/tmp/docklog", line), + }, + } + + exec, err := client.CreateExec(op) + require.NoError(t, err) + require.NoError(t, client.StartExec(exec.ID, docker.StartExecOptions{Detach: true})) +} + +type noopCloser struct { + *bytes.Buffer +} + +func (*noopCloser) Close() error { + return nil +} diff --git a/drivers/docker/docklog/plugin.go b/drivers/docker/docklog/plugin.go new file mode 100644 index 000000000000..b44c88146075 --- /dev/null +++ b/drivers/docker/docklog/plugin.go @@ -0,0 +1,70 @@ +package docklog + +import ( + "context" + "os/exec" + + hclog "github.com/hashicorp/go-hclog" + plugin "github.com/hashicorp/go-plugin" + "github.com/hashicorp/nomad/drivers/docker/docklog/proto" + "github.com/hashicorp/nomad/helper/discover" + "github.com/hashicorp/nomad/plugins/base" + "google.golang.org/grpc" +) + +const pluginName = "docker_logger" + +// LaunchDockerLogger launches an instance of DockerLogger +// TODO: Integrate with base plugin loader +func LaunchDockerLogger(logger hclog.Logger) (DockerLogger, *plugin.Client, error) { + logger = logger.Named(pluginName) + bin, err := discover.NomadExecutable() + if err != nil { + return nil, nil, err + } + + client := plugin.NewClient(&plugin.ClientConfig{ + HandshakeConfig: base.Handshake, + Plugins: map[string]plugin.Plugin{ + pluginName: &Plugin{impl: NewDockerLogger(hclog.L().Named(pluginName))}, + }, + Cmd: exec.Command(bin, pluginName), + AllowedProtocols: []plugin.Protocol{ + plugin.ProtocolGRPC, + }, + }) + + rpcClient, err := client.Client() + if err != nil { + return nil, nil, err + } + + raw, err := rpcClient.Dispense(pluginName) + if err != nil { + return nil, nil, err + } + + l := raw.(DockerLogger) + return l, client, nil + +} + +// Plugin is the go-plugin implementation +type Plugin struct { + plugin.NetRPCUnsupportedPlugin + impl DockerLogger +} + +// GRPCServer registered the server side implementation with the grpc server +func (p *Plugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error { + proto.RegisterDockerLoggerServer(s, &dockerLoggerServer{ + impl: p.impl, + broker: broker, + }) + return nil +} + +// GRPCClient returns a client side implementation of the plugin +func (p *Plugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) { + return &dockerLoggerClient{client: proto.NewDockerLoggerClient(c)}, nil +} diff --git a/drivers/docker/docklog/proto/docker_logger.pb.go b/drivers/docker/docklog/proto/docker_logger.pb.go new file mode 100644 index 000000000000..9de0a1de7f7d --- /dev/null +++ b/drivers/docker/docklog/proto/docker_logger.pb.go @@ -0,0 +1,338 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// source: docker_logger.proto + +package proto + +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 + +type StartRequest struct { + Endpoint string `protobuf:"bytes,1,opt,name=endpoint,proto3" json:"endpoint,omitempty"` + ContainerId string `protobuf:"bytes,2,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` + StdoutFifo string `protobuf:"bytes,3,opt,name=stdout_fifo,json=stdoutFifo,proto3" json:"stdout_fifo,omitempty"` + StderrFifo string `protobuf:"bytes,4,opt,name=stderr_fifo,json=stderrFifo,proto3" json:"stderr_fifo,omitempty"` + TlsCert string `protobuf:"bytes,5,opt,name=tls_cert,json=tlsCert,proto3" json:"tls_cert,omitempty"` + TlsKey string `protobuf:"bytes,6,opt,name=tls_key,json=tlsKey,proto3" json:"tls_key,omitempty"` + TlsCa string `protobuf:"bytes,7,opt,name=tls_ca,json=tlsCa,proto3" json:"tls_ca,omitempty"` + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *StartRequest) Reset() { *m = StartRequest{} } +func (m *StartRequest) String() string { return proto.CompactTextString(m) } +func (*StartRequest) ProtoMessage() {} +func (*StartRequest) Descriptor() ([]byte, []int) { + return fileDescriptor_docker_logger_54dce3369d4ecf54, []int{0} +} +func (m *StartRequest) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_StartRequest.Unmarshal(m, b) +} +func (m *StartRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_StartRequest.Marshal(b, m, deterministic) +} +func (dst *StartRequest) XXX_Merge(src proto.Message) { + xxx_messageInfo_StartRequest.Merge(dst, src) +} +func (m *StartRequest) XXX_Size() int { + return xxx_messageInfo_StartRequest.Size(m) +} +func (m *StartRequest) XXX_DiscardUnknown() { + xxx_messageInfo_StartRequest.DiscardUnknown(m) +} + +var xxx_messageInfo_StartRequest proto.InternalMessageInfo + +func (m *StartRequest) GetEndpoint() string { + if m != nil { + return m.Endpoint + } + return "" +} + +func (m *StartRequest) GetContainerId() string { + if m != nil { + return m.ContainerId + } + return "" +} + +func (m *StartRequest) GetStdoutFifo() string { + if m != nil { + return m.StdoutFifo + } + return "" +} + +func (m *StartRequest) GetStderrFifo() string { + if m != nil { + return m.StderrFifo + } + return "" +} + +func (m *StartRequest) GetTlsCert() string { + if m != nil { + return m.TlsCert + } + return "" +} + +func (m *StartRequest) GetTlsKey() string { + if m != nil { + return m.TlsKey + } + return "" +} + +func (m *StartRequest) GetTlsCa() string { + if m != nil { + return m.TlsCa + } + return "" +} + +type StartResponse struct { + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *StartResponse) Reset() { *m = StartResponse{} } +func (m *StartResponse) String() string { return proto.CompactTextString(m) } +func (*StartResponse) ProtoMessage() {} +func (*StartResponse) Descriptor() ([]byte, []int) { + return fileDescriptor_docker_logger_54dce3369d4ecf54, []int{1} +} +func (m *StartResponse) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_StartResponse.Unmarshal(m, b) +} +func (m *StartResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_StartResponse.Marshal(b, m, deterministic) +} +func (dst *StartResponse) XXX_Merge(src proto.Message) { + xxx_messageInfo_StartResponse.Merge(dst, src) +} +func (m *StartResponse) XXX_Size() int { + return xxx_messageInfo_StartResponse.Size(m) +} +func (m *StartResponse) XXX_DiscardUnknown() { + xxx_messageInfo_StartResponse.DiscardUnknown(m) +} + +var xxx_messageInfo_StartResponse proto.InternalMessageInfo + +type StopRequest struct { + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *StopRequest) Reset() { *m = StopRequest{} } +func (m *StopRequest) String() string { return proto.CompactTextString(m) } +func (*StopRequest) ProtoMessage() {} +func (*StopRequest) Descriptor() ([]byte, []int) { + return fileDescriptor_docker_logger_54dce3369d4ecf54, []int{2} +} +func (m *StopRequest) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_StopRequest.Unmarshal(m, b) +} +func (m *StopRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_StopRequest.Marshal(b, m, deterministic) +} +func (dst *StopRequest) XXX_Merge(src proto.Message) { + xxx_messageInfo_StopRequest.Merge(dst, src) +} +func (m *StopRequest) XXX_Size() int { + return xxx_messageInfo_StopRequest.Size(m) +} +func (m *StopRequest) XXX_DiscardUnknown() { + xxx_messageInfo_StopRequest.DiscardUnknown(m) +} + +var xxx_messageInfo_StopRequest proto.InternalMessageInfo + +type StopResponse struct { + XXX_NoUnkeyedLiteral struct{} `json:"-"` + XXX_unrecognized []byte `json:"-"` + XXX_sizecache int32 `json:"-"` +} + +func (m *StopResponse) Reset() { *m = StopResponse{} } +func (m *StopResponse) String() string { return proto.CompactTextString(m) } +func (*StopResponse) ProtoMessage() {} +func (*StopResponse) Descriptor() ([]byte, []int) { + return fileDescriptor_docker_logger_54dce3369d4ecf54, []int{3} +} +func (m *StopResponse) XXX_Unmarshal(b []byte) error { + return xxx_messageInfo_StopResponse.Unmarshal(m, b) +} +func (m *StopResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + return xxx_messageInfo_StopResponse.Marshal(b, m, deterministic) +} +func (dst *StopResponse) XXX_Merge(src proto.Message) { + xxx_messageInfo_StopResponse.Merge(dst, src) +} +func (m *StopResponse) XXX_Size() int { + return xxx_messageInfo_StopResponse.Size(m) +} +func (m *StopResponse) XXX_DiscardUnknown() { + xxx_messageInfo_StopResponse.DiscardUnknown(m) +} + +var xxx_messageInfo_StopResponse proto.InternalMessageInfo + +func init() { + proto.RegisterType((*StartRequest)(nil), "hashicorp.nomad.drivers.docker.docklog.proto.StartRequest") + proto.RegisterType((*StartResponse)(nil), "hashicorp.nomad.drivers.docker.docklog.proto.StartResponse") + proto.RegisterType((*StopRequest)(nil), "hashicorp.nomad.drivers.docker.docklog.proto.StopRequest") + proto.RegisterType((*StopResponse)(nil), "hashicorp.nomad.drivers.docker.docklog.proto.StopResponse") +} + +// 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 + +// DockerLoggerClient is the client API for DockerLogger service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream. +type DockerLoggerClient interface { + Start(ctx context.Context, in *StartRequest, opts ...grpc.CallOption) (*StartResponse, error) + Stop(ctx context.Context, in *StopRequest, opts ...grpc.CallOption) (*StopResponse, error) +} + +type dockerLoggerClient struct { + cc *grpc.ClientConn +} + +func NewDockerLoggerClient(cc *grpc.ClientConn) DockerLoggerClient { + return &dockerLoggerClient{cc} +} + +func (c *dockerLoggerClient) Start(ctx context.Context, in *StartRequest, opts ...grpc.CallOption) (*StartResponse, error) { + out := new(StartResponse) + err := c.cc.Invoke(ctx, "/hashicorp.nomad.drivers.docker.docklog.proto.DockerLogger/Start", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +func (c *dockerLoggerClient) Stop(ctx context.Context, in *StopRequest, opts ...grpc.CallOption) (*StopResponse, error) { + out := new(StopResponse) + err := c.cc.Invoke(ctx, "/hashicorp.nomad.drivers.docker.docklog.proto.DockerLogger/Stop", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +// DockerLoggerServer is the server API for DockerLogger service. +type DockerLoggerServer interface { + Start(context.Context, *StartRequest) (*StartResponse, error) + Stop(context.Context, *StopRequest) (*StopResponse, error) +} + +func RegisterDockerLoggerServer(s *grpc.Server, srv DockerLoggerServer) { + s.RegisterService(&_DockerLogger_serviceDesc, srv) +} + +func _DockerLogger_Start_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(StartRequest) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(DockerLoggerServer).Start(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/hashicorp.nomad.drivers.docker.docklog.proto.DockerLogger/Start", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(DockerLoggerServer).Start(ctx, req.(*StartRequest)) + } + return interceptor(ctx, in, info, handler) +} + +func _DockerLogger_Stop_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(StopRequest) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(DockerLoggerServer).Stop(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/hashicorp.nomad.drivers.docker.docklog.proto.DockerLogger/Stop", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(DockerLoggerServer).Stop(ctx, req.(*StopRequest)) + } + return interceptor(ctx, in, info, handler) +} + +var _DockerLogger_serviceDesc = grpc.ServiceDesc{ + ServiceName: "hashicorp.nomad.drivers.docker.docklog.proto.DockerLogger", + HandlerType: (*DockerLoggerServer)(nil), + Methods: []grpc.MethodDesc{ + { + MethodName: "Start", + Handler: _DockerLogger_Start_Handler, + }, + { + MethodName: "Stop", + Handler: _DockerLogger_Stop_Handler, + }, + }, + Streams: []grpc.StreamDesc{}, + Metadata: "docker_logger.proto", +} + +func init() { proto.RegisterFile("docker_logger.proto", fileDescriptor_docker_logger_54dce3369d4ecf54) } + +var fileDescriptor_docker_logger_54dce3369d4ecf54 = []byte{ + // 319 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x50, 0xbd, 0x4e, 0xe3, 0x40, + 0x10, 0x3e, 0xe7, 0x62, 0x27, 0x37, 0x49, 0xee, 0xa4, 0x3d, 0x21, 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b/drivers/docker/docklog/proto/docker_logger.proto @@ -0,0 +1,25 @@ +syntax = "proto3"; +package hashicorp.nomad.drivers.docker.docklog.proto; +option go_package = "proto"; + +service DockerLogger { + rpc Start(StartRequest) returns (StartResponse) {} + rpc Stop(StopRequest) returns (StopResponse) {} +} + +message StartRequest { + string endpoint = 1; + string container_id = 2; + string stdout_fifo = 3; + string stderr_fifo = 4; + string tls_cert = 5; + string tls_key = 6; + string tls_ca = 7; +} + +message StartResponse { +} + +message StopRequest {} + +message StopResponse {} diff --git a/drivers/docker/docklog/server.go b/drivers/docker/docklog/server.go new file mode 100644 index 000000000000..1bbf09f03233 --- /dev/null +++ b/drivers/docker/docklog/server.go @@ -0,0 +1,39 @@ +package docklog + +import ( + "golang.org/x/net/context" + + plugin "github.com/hashicorp/go-plugin" + "github.com/hashicorp/nomad/drivers/docker/docklog/proto" +) + +// dockerLoggerServer is the server side translation between the protobuf and native interfaces +type dockerLoggerServer struct { + broker *plugin.GRPCBroker + impl DockerLogger +} + +// Start proxies the protobuf Start RPC to the Start fun of the DockerLogger interface +func (s *dockerLoggerServer) Start(ctx context.Context, req *proto.StartRequest) (*proto.StartResponse, error) { + opts := &StartOpts{ + Endpoint: req.Endpoint, + ContainerID: req.ContainerId, + Stdout: req.StdoutFifo, + Stderr: req.StderrFifo, + + TLSCert: req.TlsCert, + TLSKey: req.TlsKey, + TLSCA: req.TlsCa, + } + err := s.impl.Start(opts) + if err != nil { + return nil, err + } + resp := &proto.StartResponse{} + return resp, nil +} + +// Stop proxies the protobuf Stop RPC to the Stop fun of the DockerLogger interface +func (s *dockerLoggerServer) Stop(ctx context.Context, req *proto.StopRequest) (*proto.StopResponse, error) { + return &proto.StopResponse{}, s.impl.Stop() +}