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