github.com/datawolf/containerd@v0.2.4/api/grpc/server/server_linux.go (about)

     1  package server
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/docker/containerd/api/grpc/types"
     7  	"github.com/docker/containerd/specs"
     8  	"github.com/docker/containerd/supervisor"
     9  	"github.com/opencontainers/runc/libcontainer/system"
    10  	ocs "github.com/opencontainers/runtime-spec/specs-go"
    11  	"golang.org/x/net/context"
    12  )
    13  
    14  var clockTicksPerSecond = uint64(system.GetClockTicks())
    15  
    16  func (s *apiServer) AddProcess(ctx context.Context, r *types.AddProcessRequest) (*types.AddProcessResponse, error) {
    17  	process := &specs.ProcessSpec{
    18  		Terminal: r.Terminal,
    19  		Args:     r.Args,
    20  		Env:      r.Env,
    21  		Cwd:      r.Cwd,
    22  	}
    23  	process.User = ocs.User{
    24  		UID:            r.User.Uid,
    25  		GID:            r.User.Gid,
    26  		AdditionalGids: r.User.AdditionalGids,
    27  	}
    28  	process.Capabilities = r.Capabilities
    29  	process.ApparmorProfile = r.ApparmorProfile
    30  	process.SelinuxLabel = r.SelinuxLabel
    31  	process.NoNewPrivileges = r.NoNewPrivileges
    32  	for _, rl := range r.Rlimits {
    33  		process.Rlimits = append(process.Rlimits, ocs.Rlimit{
    34  			Type: rl.Type,
    35  			Soft: rl.Soft,
    36  			Hard: rl.Hard,
    37  		})
    38  	}
    39  	if r.Id == "" {
    40  		return nil, fmt.Errorf("container id cannot be empty")
    41  	}
    42  	if r.Pid == "" {
    43  		return nil, fmt.Errorf("process id cannot be empty")
    44  	}
    45  	e := &supervisor.AddProcessTask{}
    46  	e.ID = r.Id
    47  	e.PID = r.Pid
    48  	e.ProcessSpec = process
    49  	e.Stdin = r.Stdin
    50  	e.Stdout = r.Stdout
    51  	e.Stderr = r.Stderr
    52  	e.StartResponse = make(chan supervisor.StartResponse, 1)
    53  	s.sv.SendTask(e)
    54  	if err := <-e.ErrorCh(); err != nil {
    55  		return nil, err
    56  	}
    57  	<-e.StartResponse
    58  	return &types.AddProcessResponse{}, nil
    59  }