containerd/cmd/ctr/exec_unix.go
Kenfe-Mickael Laventure c5843b7615 Initial windows runtime work
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
2017-04-07 09:20:44 -07:00

69 lines
1.5 KiB
Go

// +build !windows
package main
import (
"encoding/json"
"path/filepath"
"github.com/containerd/containerd/api/services/execution"
protobuf "github.com/gogo/protobuf/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/urfave/cli"
)
func createProcessSpec(args []string, cwd string, tty bool) specs.Process {
env := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
}
if tty {
env = append(env, "TERM=xterm")
}
if cwd == "" {
cwd = "/"
}
return specs.Process{
Args: args,
Env: env,
Terminal: tty,
Cwd: cwd,
NoNewPrivileges: true,
User: specs.User{
UID: 0,
GID: 0,
},
Capabilities: &specs.LinuxCapabilities{
Bounding: capabilities,
Permitted: capabilities,
Inheritable: capabilities,
Effective: capabilities,
Ambient: capabilities,
},
Rlimits: []specs.LinuxRlimit{
{
Type: "RLIMIT_NOFILE",
Hard: uint64(1024),
Soft: uint64(1024),
},
},
}
}
func newExecRequest(context *cli.Context, tmpDir, id string) (*execution.ExecRequest, error) {
process := createProcessSpec(context.Args(), context.String("cwd"), context.Bool("tty"))
data, err := json.Marshal(process)
if err != nil {
return nil, err
}
return &execution.ExecRequest{
ID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: data,
},
Terminal: context.Bool("tty"),
Stdin: filepath.Join(tmpDir, "stdin"),
Stdout: filepath.Join(tmpDir, "stdout"),
Stderr: filepath.Join(tmpDir, "stderr"),
}, nil
}