diff options
Diffstat (limited to 'container/container_test.go')
| -rw-r--r-- | container/container_test.go | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/container/container_test.go b/container/container_test.go index 49797607..ecd3a1d7 100644 --- a/container/container_test.go +++ b/container/container_test.go @@ -21,6 +21,7 @@ import ( "hakurei.app/command" "hakurei.app/container" "hakurei.app/container/check" + "hakurei.app/container/fhs" "hakurei.app/container/seccomp" "hakurei.app/container/std" "hakurei.app/container/vfs" @@ -29,6 +30,45 @@ import ( "hakurei.app/message" ) +// Note: this package requires cgo, which is unavailable in the Go playground. +func Example() { + // Must be called early if the current process starts containers. + container.TryArgv0(nil) + + // Configure the container. + z := container.New(context.Background(), nil) + z.Hostname = "hakurei-example" + z.Proc(fhs.AbsProc).Dev(fhs.AbsDev, true) + z.Stdin, z.Stdout, z.Stderr = os.Stdin, os.Stdout, os.Stderr + + // Bind / for demonstration. + z.Bind(fhs.AbsRoot, fhs.AbsRoot, 0) + if name, err := exec.LookPath("hostname"); err != nil { + panic(err) + } else { + z.Path = check.MustAbs(name) + } + + // This completes the first stage of container setup and starts the container init process. + // The new process blocks until the Serve method is called. + if err := z.Start(); err != nil { + panic(err) + } + + // This serves the setup payload to the container init process, + // starting the second stage of container setup. + if err := z.Serve(); err != nil { + panic(err) + } + + // Must be called if the Start method succeeds. + if err := z.Wait(); err != nil { + panic(err) + } + + // Output: hakurei-example +} + func TestStartError(t *testing.T) { t.Parallel() |