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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package container | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/docker/docker/client" | ||
| ) | ||
|
|
||
| var ( | ||
| ErrGetDockerClientFail = func(err error) error { return fmt.Errorf("get container client:%w", err) } | ||
| ErrContainerInspectFail = func(err error) error { return fmt.Errorf("container inspect:%w", err) } | ||
| ErrContainerNameInvalid = func(name string) error { return fmt.Errorf("container name invalid:%v", name) } | ||
| ) | ||
|
|
||
| func getDockerClient() (*client.Client, error) { | ||
| cli, err := client.NewClientWithOpts( | ||
| client.FromEnv, | ||
| client.WithAPIVersionNegotiation(), | ||
| client.WithHost("unix:///run/docker.sock"), | ||
| ) | ||
| if err != nil { | ||
| return nil, ErrGetDockerClientFail(err) | ||
| } | ||
| return cli, nil | ||
| } | ||
|
|
||
| func GetName() (string, error) { | ||
| cli, err := getDockerClient() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| container, err := cli.ContainerInspect(context.Background(), os.Getenv("HOSTNAME")) | ||
| if err != nil { | ||
| return "", ErrContainerInspectFail(err) | ||
| } | ||
| name := strings.TrimPrefix(container.Name, "/") | ||
| return name, nil | ||
| } | ||
|
|
||
| func GetNameLite() (string, error) { | ||
| name, err := GetName() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| names := strings.Split(name, ".") | ||
| if len(names) != 3 { | ||
| return "", ErrContainerNameInvalid(name) | ||
| } | ||
| return strings.Join(names[:2], "."), nil | ||
| } |
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