0001699b5f
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
52 lines
868 B
Go
52 lines
868 B
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"path/filepath"
|
|
"strconv"
|
|
|
|
"github.com/dotcloud/docker/pkg/libcontainer"
|
|
)
|
|
|
|
func loadContainer() (*libcontainer.Container, error) {
|
|
f, err := os.Open(filepath.Join(dataPath, "container.json"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer f.Close()
|
|
|
|
var container *libcontainer.Container
|
|
if err := json.NewDecoder(f).Decode(&container); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return container, nil
|
|
}
|
|
|
|
func readPid() (int, error) {
|
|
data, err := ioutil.ReadFile(filepath.Join(dataPath, "pid"))
|
|
if err != nil {
|
|
return -1, err
|
|
}
|
|
|
|
pid, err := strconv.Atoi(string(data))
|
|
if err != nil {
|
|
return -1, err
|
|
}
|
|
|
|
return pid, nil
|
|
}
|
|
|
|
func openLog(name string) error {
|
|
f, err := os.OpenFile(name, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0755)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log.SetOutput(f)
|
|
|
|
return nil
|
|
}
|