Add initial implementation of stats
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov
parent
ce387dc505
commit
4bc322397f
9 changed files with 518 additions and 97 deletions
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@ -233,3 +233,39 @@ func (s *apiServer) Events(r *types.EventsRequest, stream types.API_EventsServer
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}
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return nil
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}
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func (s *apiServer) GetStats(r *types.StatsRequest, stream types.API_GetStatsServer) error {
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e := containerd.NewEvent(containerd.StatsEventType)
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e.ID = r.Id
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s.sv.SendEvent(e)
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if err := <-e.Err; err != nil {
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if err == containerd.ErrContainerNotFound {
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return grpc.Errorf(codes.NotFound, err.Error())
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}
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return err
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}
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defer func() {
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ue := containerd.NewEvent(containerd.UnsubscribeStatsEventType)
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ue.ID = e.ID
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ue.Stats = e.Stats
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s.sv.SendEvent(ue)
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if err := <-ue.Err; err != nil {
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logrus.Errorf("Error unsubscribing %s: %v", r.Id, err)
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}
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}()
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for {
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select {
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case st := <-e.Stats:
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pbSt, ok := st.(*types.Stats)
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if !ok {
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panic("invalid stats type from collector")
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}
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if err := stream.Send(pbSt); err != nil {
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return err
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}
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case <-stream.Context().Done():
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return nil
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}
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}
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return nil
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}
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@ -44,6 +44,7 @@ It has these top-level messages:
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HugetlbStats
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CgroupStats
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Stats
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StatsRequest
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*/
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package types
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@ -638,6 +639,7 @@ func (m *CgroupStats) GetHugetlbStats() map[string]*HugetlbStats {
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type Stats struct {
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NetworkStats []*NetworkStats `protobuf:"bytes,1,rep,name=network_stats" json:"network_stats,omitempty"`
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CgroupStats *CgroupStats `protobuf:"bytes,2,opt,name=cgroup_stats" json:"cgroup_stats,omitempty"`
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Timestamp uint64 `protobuf:"varint,3,opt,name=timestamp" json:"timestamp,omitempty"`
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}
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func (m *Stats) Reset() { *m = Stats{} }
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@ -659,6 +661,15 @@ func (m *Stats) GetCgroupStats() *CgroupStats {
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return nil
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}
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type StatsRequest struct {
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Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"`
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}
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func (m *StatsRequest) Reset() { *m = StatsRequest{} }
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func (m *StatsRequest) String() string { return proto.CompactTextString(m) }
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func (*StatsRequest) ProtoMessage() {}
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func (*StatsRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{35} }
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func init() {
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proto.RegisterType((*CreateContainerRequest)(nil), "types.CreateContainerRequest")
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proto.RegisterType((*CreateContainerResponse)(nil), "types.CreateContainerResponse")
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@ -695,6 +706,7 @@ func init() {
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proto.RegisterType((*HugetlbStats)(nil), "types.HugetlbStats")
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proto.RegisterType((*CgroupStats)(nil), "types.CgroupStats")
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proto.RegisterType((*Stats)(nil), "types.Stats")
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proto.RegisterType((*StatsRequest)(nil), "types.StatsRequest")
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}
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// Reference imports to suppress errors if they are not otherwise used.
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@ -713,6 +725,7 @@ type APIClient interface {
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ListCheckpoint(ctx context.Context, in *ListCheckpointRequest, opts ...grpc.CallOption) (*ListCheckpointResponse, error)
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State(ctx context.Context, in *StateRequest, opts ...grpc.CallOption) (*StateResponse, error)
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Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (API_EventsClient, error)
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GetStats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (API_GetStatsClient, error)
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}
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type aPIClient struct {
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@ -827,6 +840,38 @@ func (x *aPIEventsClient) Recv() (*Event, error) {
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return m, nil
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}
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func (c *aPIClient) GetStats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (API_GetStatsClient, error) {
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stream, err := grpc.NewClientStream(ctx, &_API_serviceDesc.Streams[1], c.cc, "/types.API/GetStats", opts...)
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if err != nil {
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return nil, err
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}
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x := &aPIGetStatsClient{stream}
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if err := x.ClientStream.SendMsg(in); err != nil {
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return nil, err
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}
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if err := x.ClientStream.CloseSend(); err != nil {
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return nil, err
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}
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return x, nil
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}
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type API_GetStatsClient interface {
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Recv() (*Stats, error)
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grpc.ClientStream
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}
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type aPIGetStatsClient struct {
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grpc.ClientStream
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}
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func (x *aPIGetStatsClient) Recv() (*Stats, error) {
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m := new(Stats)
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if err := x.ClientStream.RecvMsg(m); err != nil {
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return nil, err
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}
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return m, nil
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}
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// Server API for API service
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type APIServer interface {
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@ -839,6 +884,7 @@ type APIServer interface {
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ListCheckpoint(context.Context, *ListCheckpointRequest) (*ListCheckpointResponse, error)
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State(context.Context, *StateRequest) (*StateResponse, error)
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Events(*EventsRequest, API_EventsServer) error
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GetStats(*StatsRequest, API_GetStatsServer) error
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}
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func RegisterAPIServer(s *grpc.Server, srv APIServer) {
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@ -962,6 +1008,27 @@ func (x *aPIEventsServer) Send(m *Event) error {
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return x.ServerStream.SendMsg(m)
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}
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func _API_GetStats_Handler(srv interface{}, stream grpc.ServerStream) error {
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m := new(StatsRequest)
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if err := stream.RecvMsg(m); err != nil {
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return err
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}
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return srv.(APIServer).GetStats(m, &aPIGetStatsServer{stream})
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}
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type API_GetStatsServer interface {
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Send(*Stats) error
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grpc.ServerStream
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}
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type aPIGetStatsServer struct {
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grpc.ServerStream
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}
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func (x *aPIGetStatsServer) Send(m *Stats) error {
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return x.ServerStream.SendMsg(m)
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}
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var _API_serviceDesc = grpc.ServiceDesc{
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ServiceName: "types.API",
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HandlerType: (*APIServer)(nil),
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@ -1005,97 +1072,104 @@ var _API_serviceDesc = grpc.ServiceDesc{
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Handler: _API_Events_Handler,
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ServerStreams: true,
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},
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{
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StreamName: "GetStats",
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Handler: _API_GetStats_Handler,
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ServerStreams: true,
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},
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},
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}
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var fileDescriptor0 = []byte{
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// 1396 bytes of a gzipped FileDescriptorProto
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|
||||
0x3e, 0x1e, 0x34, 0xec, 0x8a, 0xa7, 0x88, 0x86, 0x5d, 0xf9, 0xea, 0xd8, 0x30, 0xbf, 0x85, 0x61,
|
||||
0xf9, 0xde, 0x6f, 0xfe, 0x5f, 0x19, 0x2d, 0x7d, 0x8e, 0x8c, 0x6f, 0xac, 0xf8, 0xaa, 0x01, 0x3f,
|
||||
0x94, 0xad, 0x8b, 0x77, 0x8d, 0x8c, 0xe5, 0xc2, 0xa3, 0x60, 0x7c, 0xad, 0x2c, 0xd4, 0x56, 0xf7,
|
||||
0xa1, 0x25, 0x6f, 0x90, 0xba, 0x64, 0xa5, 0x0b, 0xe5, 0xb8, 0x5f, 0x94, 0x5a, 0x1b, 0xf7, 0x6b,
|
||||
0xb8, 0xa5, 0x3a, 0xcf, 0x08, 0x93, 0xfd, 0x5c, 0x74, 0xb5, 0x60, 0x22, 0x84, 0xdc, 0xe4, 0xac,
|
||||
0x25, 0xde, 0xf8, 0x0f, 0xfe, 0x0e, 0x00, 0x00, 0xff, 0xff, 0xef, 0x98, 0x5d, 0x0a, 0xf0, 0x0f,
|
||||
0x00, 0x00,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@ service API {
|
|||
rpc ListCheckpoint(ListCheckpointRequest) returns (ListCheckpointResponse) {}
|
||||
rpc State(StateRequest) returns (StateResponse) {}
|
||||
rpc Events(EventsRequest) returns (stream Event) {}
|
||||
rpc GetStats(StatsRequest) returns (stream Stats) {}
|
||||
}
|
||||
|
||||
message CreateContainerRequest {
|
||||
|
|
@ -225,4 +226,9 @@ message CgroupStats {
|
|||
message Stats {
|
||||
repeated NetworkStats network_stats = 1;
|
||||
CgroupStats cgroup_stats = 2;
|
||||
uint64 timestamp = 3;
|
||||
};
|
||||
|
||||
message StatsRequest {
|
||||
string id = 1;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -230,3 +230,31 @@ var ExecCommand = cli.Command{
|
|||
}
|
||||
},
|
||||
}
|
||||
|
||||
var StatsCommand = cli.Command{
|
||||
Name: "stats",
|
||||
Usage: "get stats for running container",
|
||||
Flags: []cli.Flag{
|
||||
cli.StringFlag{
|
||||
Name: "id",
|
||||
Usage: "container id",
|
||||
},
|
||||
},
|
||||
Action: func(context *cli.Context) {
|
||||
req := &types.StatsRequest{
|
||||
Id: context.String("id"),
|
||||
}
|
||||
c := getClient()
|
||||
stream, err := c.GetStats(netcontext.Background(), req)
|
||||
if err != nil {
|
||||
fatal(err.Error(), 1)
|
||||
}
|
||||
for {
|
||||
stats, err := stream.Recv()
|
||||
if err != nil {
|
||||
fatal(err.Error(), 1)
|
||||
}
|
||||
fmt.Println(stats)
|
||||
}
|
||||
},
|
||||
}
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ func main() {
|
|||
CheckpointCommand,
|
||||
ContainersCommand,
|
||||
EventsCommand,
|
||||
StatsCommand,
|
||||
}
|
||||
app.Before = func(context *cli.Context) error {
|
||||
if context.GlobalBool("debug") {
|
||||
|
|
|
|||
3
event.go
3
event.go
|
|
@ -21,6 +21,8 @@ const (
|
|||
UpdateContainerEventType EventType = "updateContainer"
|
||||
CreateCheckpointEventType EventType = "createCheckpoint"
|
||||
DeleteCheckpointEventType EventType = "deleteCheckpoint"
|
||||
StatsEventType EventType = "events"
|
||||
UnsubscribeStatsEventType EventType = "unsubscribeEvents"
|
||||
)
|
||||
|
||||
func NewEvent(t EventType) *Event {
|
||||
|
|
@ -47,6 +49,7 @@ type Event struct {
|
|||
Containers []runtime.Container
|
||||
Checkpoint *runtime.Checkpoint
|
||||
Err chan error
|
||||
Stats chan interface{}
|
||||
}
|
||||
|
||||
type Handler interface {
|
||||
|
|
|
|||
26
stats.go
26
stats.go
|
|
@ -17,3 +17,29 @@ func Metrics() map[string]interface{} {
|
|||
"events-subscribers": EventSubscriberCounter,
|
||||
}
|
||||
}
|
||||
|
||||
type StatsEvent struct {
|
||||
s *Supervisor
|
||||
}
|
||||
|
||||
type UnsubscribeStatsEvent struct {
|
||||
s *Supervisor
|
||||
}
|
||||
|
||||
func (h *StatsEvent) Handle(e *Event) error {
|
||||
i, ok := h.s.containers[e.ID]
|
||||
if !ok {
|
||||
return ErrContainerNotFound
|
||||
}
|
||||
e.Stats = h.s.statsCollector.collect(i.container)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (h *UnsubscribeStatsEvent) Handle(e *Event) error {
|
||||
i, ok := h.s.containers[e.ID]
|
||||
if !ok {
|
||||
return ErrContainerNotFound
|
||||
}
|
||||
h.s.statsCollector.unsubscribe(i.container, e.Stats)
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
240
stats_collector.go
Normal file
240
stats_collector.go
Normal file
|
|
@ -0,0 +1,240 @@
|
|||
package containerd
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"os"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/Sirupsen/logrus"
|
||||
"github.com/docker/containerd/api/grpc/types"
|
||||
"github.com/docker/containerd/runtime"
|
||||
"github.com/docker/docker/pkg/pubsub"
|
||||
"github.com/opencontainers/runc/libcontainer"
|
||||
"github.com/opencontainers/runc/libcontainer/cgroups"
|
||||
"github.com/opencontainers/runc/libcontainer/system"
|
||||
)
|
||||
|
||||
func convertBlkioEntryToPb(b []cgroups.BlkioStatEntry) []*types.BlkioStatsEntry {
|
||||
var pbEs []*types.BlkioStatsEntry
|
||||
for _, e := range b {
|
||||
pbEs = append(pbEs, &types.BlkioStatsEntry{
|
||||
Major: e.Major,
|
||||
Minor: e.Minor,
|
||||
Op: e.Op,
|
||||
Value: e.Value,
|
||||
})
|
||||
}
|
||||
return pbEs
|
||||
}
|
||||
|
||||
func convertToPb(st *runtime.Stat) *types.Stats {
|
||||
pbSt := &types.Stats{
|
||||
Timestamp: uint64(st.Timestamp.Unix()),
|
||||
CgroupStats: &types.CgroupStats{},
|
||||
}
|
||||
lcSt, ok := st.Data.(*libcontainer.Stats)
|
||||
if !ok {
|
||||
return pbSt
|
||||
}
|
||||
cpuSt := lcSt.CgroupStats.CpuStats
|
||||
pbSt.CgroupStats.CpuStats = &types.CpuStats{
|
||||
CpuUsage: &types.CpuUsage{
|
||||
TotalUsage: cpuSt.CpuUsage.TotalUsage,
|
||||
PercpuUsage: cpuSt.CpuUsage.PercpuUsage,
|
||||
UsageInKernelmode: cpuSt.CpuUsage.UsageInKernelmode,
|
||||
UsageInUsermode: cpuSt.CpuUsage.UsageInUsermode,
|
||||
},
|
||||
ThrottlingData: &types.ThrottlingData{
|
||||
Periods: cpuSt.ThrottlingData.Periods,
|
||||
ThrottledPeriods: cpuSt.ThrottlingData.ThrottledPeriods,
|
||||
ThrottledTime: cpuSt.ThrottlingData.ThrottledTime,
|
||||
},
|
||||
}
|
||||
memSt := lcSt.CgroupStats.MemoryStats
|
||||
pbSt.CgroupStats.MemoryStats = &types.MemoryStats{
|
||||
Cache: memSt.Cache,
|
||||
Usage: &types.MemoryData{
|
||||
Usage: memSt.Usage.Usage,
|
||||
MaxUsage: memSt.Usage.MaxUsage,
|
||||
Failcnt: memSt.Usage.Failcnt,
|
||||
},
|
||||
SwapUsage: &types.MemoryData{
|
||||
Usage: memSt.SwapUsage.Usage,
|
||||
MaxUsage: memSt.SwapUsage.MaxUsage,
|
||||
Failcnt: memSt.SwapUsage.Failcnt,
|
||||
},
|
||||
}
|
||||
blkSt := lcSt.CgroupStats.BlkioStats
|
||||
pbSt.CgroupStats.BlkioStats = &types.BlkioStats{
|
||||
IoServiceBytesRecursive: convertBlkioEntryToPb(blkSt.IoServiceBytesRecursive),
|
||||
IoServicedRecursive: convertBlkioEntryToPb(blkSt.IoServicedRecursive),
|
||||
IoQueuedRecursive: convertBlkioEntryToPb(blkSt.IoQueuedRecursive),
|
||||
IoServiceTimeRecursive: convertBlkioEntryToPb(blkSt.IoServiceTimeRecursive),
|
||||
IoWaitTimeRecursive: convertBlkioEntryToPb(blkSt.IoWaitTimeRecursive),
|
||||
IoMergedRecursive: convertBlkioEntryToPb(blkSt.IoMergedRecursive),
|
||||
IoTimeRecursive: convertBlkioEntryToPb(blkSt.IoTimeRecursive),
|
||||
SectorsRecursive: convertBlkioEntryToPb(blkSt.SectorsRecursive),
|
||||
}
|
||||
pbSt.CgroupStats.HugetlbStats = make(map[string]*types.HugetlbStats)
|
||||
for k, st := range lcSt.CgroupStats.HugetlbStats {
|
||||
pbSt.CgroupStats.HugetlbStats[k] = &types.HugetlbStats{
|
||||
Usage: st.Usage,
|
||||
MaxUsage: st.MaxUsage,
|
||||
Failcnt: st.Failcnt,
|
||||
}
|
||||
}
|
||||
return pbSt
|
||||
}
|
||||
|
||||
type statsPair struct {
|
||||
ct runtime.Container
|
||||
pub *pubsub.Publisher
|
||||
}
|
||||
|
||||
func newStatsCollector(interval time.Duration) *statsCollector {
|
||||
s := &statsCollector{
|
||||
interval: interval,
|
||||
clockTicksPerSecond: uint64(system.GetClockTicks()),
|
||||
bufReader: bufio.NewReaderSize(nil, 128),
|
||||
publishers: make(map[string]*statsPair),
|
||||
}
|
||||
go s.run()
|
||||
return s
|
||||
}
|
||||
|
||||
// statsCollector manages and provides container resource stats
|
||||
type statsCollector struct {
|
||||
m sync.Mutex
|
||||
supervisor *Supervisor
|
||||
interval time.Duration
|
||||
clockTicksPerSecond uint64
|
||||
publishers map[string]*statsPair
|
||||
bufReader *bufio.Reader
|
||||
}
|
||||
|
||||
// collect registers the container with the collector and adds it to
|
||||
// the event loop for collection on the specified interval returning
|
||||
// a channel for the subscriber to receive on.
|
||||
func (s *statsCollector) collect(c runtime.Container) chan interface{} {
|
||||
s.m.Lock()
|
||||
defer s.m.Unlock()
|
||||
publisher, exists := s.publishers[c.ID()]
|
||||
if !exists {
|
||||
pub := pubsub.NewPublisher(100*time.Millisecond, 1024)
|
||||
publisher = &statsPair{ct: c, pub: pub}
|
||||
s.publishers[c.ID()] = publisher
|
||||
}
|
||||
return publisher.pub.Subscribe()
|
||||
}
|
||||
|
||||
// stopCollection closes the channels for all subscribers and removes
|
||||
// the container from metrics collection.
|
||||
func (s *statsCollector) stopCollection(c runtime.Container) {
|
||||
s.m.Lock()
|
||||
if publisher, exists := s.publishers[c.ID()]; exists {
|
||||
publisher.pub.Close()
|
||||
delete(s.publishers, c.ID())
|
||||
}
|
||||
s.m.Unlock()
|
||||
}
|
||||
|
||||
// unsubscribe removes a specific subscriber from receiving updates for a container's stats.
|
||||
func (s *statsCollector) unsubscribe(c runtime.Container, ch chan interface{}) {
|
||||
s.m.Lock()
|
||||
publisher := s.publishers[c.ID()]
|
||||
if publisher != nil {
|
||||
publisher.pub.Evict(ch)
|
||||
if publisher.pub.Len() == 0 {
|
||||
delete(s.publishers, c.ID())
|
||||
}
|
||||
}
|
||||
s.m.Unlock()
|
||||
}
|
||||
|
||||
func (s *statsCollector) run() {
|
||||
type publishersPair struct {
|
||||
container runtime.Container
|
||||
publisher *pubsub.Publisher
|
||||
}
|
||||
// we cannot determine the capacity here.
|
||||
// it will grow enough in first iteration
|
||||
var pairs []*statsPair
|
||||
|
||||
for range time.Tick(s.interval) {
|
||||
// it does not make sense in the first iteration,
|
||||
// but saves allocations in further iterations
|
||||
pairs = pairs[:0]
|
||||
|
||||
s.m.Lock()
|
||||
for _, publisher := range s.publishers {
|
||||
// copy pointers here to release the lock ASAP
|
||||
pairs = append(pairs, publisher)
|
||||
}
|
||||
s.m.Unlock()
|
||||
if len(pairs) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
for _, pair := range pairs {
|
||||
stats, err := pair.ct.Stats()
|
||||
if err != nil {
|
||||
logrus.Errorf("Error getting stats for container ID %s", pair.ct.ID())
|
||||
continue
|
||||
}
|
||||
|
||||
pair.pub.Publish(convertToPb(stats))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const nanoSecondsPerSecond = 1e9
|
||||
|
||||
// getSystemCPUUsage returns the host system's cpu usage in
|
||||
// nanoseconds. An error is returned if the format of the underlying
|
||||
// file does not match.
|
||||
//
|
||||
// Uses /proc/stat defined by POSIX. Looks for the cpu
|
||||
// statistics line and then sums up the first seven fields
|
||||
// provided. See `man 5 proc` for details on specific field
|
||||
// information.
|
||||
func (s *statsCollector) getSystemCPUUsage() (uint64, error) {
|
||||
var line string
|
||||
f, err := os.Open("/proc/stat")
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
defer func() {
|
||||
s.bufReader.Reset(nil)
|
||||
f.Close()
|
||||
}()
|
||||
s.bufReader.Reset(f)
|
||||
err = nil
|
||||
for err == nil {
|
||||
line, err = s.bufReader.ReadString('\n')
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
parts := strings.Fields(line)
|
||||
switch parts[0] {
|
||||
case "cpu":
|
||||
if len(parts) < 8 {
|
||||
return 0, fmt.Errorf("bad format of cpu stats")
|
||||
}
|
||||
var totalClockTicks uint64
|
||||
for _, i := range parts[1:8] {
|
||||
v, err := strconv.ParseUint(i, 10, 64)
|
||||
if err != nil {
|
||||
return 0, fmt.Errorf("error parsing cpu stats")
|
||||
}
|
||||
totalClockTicks += v
|
||||
}
|
||||
return (totalClockTicks * nanoSecondsPerSecond) /
|
||||
s.clockTicksPerSecond, nil
|
||||
}
|
||||
}
|
||||
return 0, fmt.Errorf("bad stats format")
|
||||
}
|
||||
|
|
@ -7,12 +7,15 @@ import (
|
|||
goruntime "runtime"
|
||||
"sync"
|
||||
"syscall"
|
||||
"time"
|
||||
|
||||
"github.com/Sirupsen/logrus"
|
||||
"github.com/docker/containerd/runtime"
|
||||
"github.com/opencontainers/runc/libcontainer"
|
||||
)
|
||||
|
||||
const statsInterval = 1 * time.Second
|
||||
|
||||
// NewSupervisor returns an initialized Process supervisor.
|
||||
func NewSupervisor(id, stateDir string, tasks chan *StartTask) (*Supervisor, error) {
|
||||
if err := os.MkdirAll(stateDir, 0755); err != nil {
|
||||
|
|
@ -28,14 +31,15 @@ func NewSupervisor(id, stateDir string, tasks chan *StartTask) (*Supervisor, err
|
|||
return nil, err
|
||||
}
|
||||
s := &Supervisor{
|
||||
stateDir: stateDir,
|
||||
containers: make(map[string]*containerInfo),
|
||||
processes: make(map[int]*containerInfo),
|
||||
runtime: r,
|
||||
tasks: tasks,
|
||||
events: make(chan *Event, DefaultBufferSize),
|
||||
machine: machine,
|
||||
subscribers: make(map[chan *Event]struct{}),
|
||||
stateDir: stateDir,
|
||||
containers: make(map[string]*containerInfo),
|
||||
processes: make(map[int]*containerInfo),
|
||||
runtime: r,
|
||||
tasks: tasks,
|
||||
events: make(chan *Event, DefaultBufferSize),
|
||||
machine: machine,
|
||||
subscribers: make(map[chan *Event]struct{}),
|
||||
statsCollector: newStatsCollector(statsInterval),
|
||||
}
|
||||
// register default event handlers
|
||||
s.handlers = map[EventType]Handler{
|
||||
|
|
@ -49,6 +53,8 @@ func NewSupervisor(id, stateDir string, tasks chan *StartTask) (*Supervisor, err
|
|||
UpdateContainerEventType: &UpdateEvent{s},
|
||||
CreateCheckpointEventType: &CreateCheckpointEvent{s},
|
||||
DeleteCheckpointEventType: &DeleteCheckpointEvent{s},
|
||||
StatsEventType: &StatsEvent{s},
|
||||
UnsubscribeStatsEventType: &UnsubscribeStatsEvent{s},
|
||||
}
|
||||
// start the container workers for concurrent container starts
|
||||
return s, nil
|
||||
|
|
@ -74,6 +80,7 @@ type Supervisor struct {
|
|||
subscribers map[chan *Event]struct{}
|
||||
machine Machine
|
||||
containerGroup sync.WaitGroup
|
||||
statsCollector *statsCollector
|
||||
}
|
||||
|
||||
// Stop closes all tasks and sends a SIGTERM to each container's pid1 then waits for they to
|
||||
|
|
|
|||
Loading…
Reference in a new issue