package volumes import ( "context" "os" "os/exec" "path/filepath" "testing" "time" "github.com/docker/docker/api/types" "github.com/docker/docker/internal/test/fixtures/plugin" "github.com/docker/docker/pkg/locker" "github.com/pkg/errors" "gotest.tools/assert" ) var pluginBuildLock = locker.New() // ensurePlugin makes the that a plugin binary has been installed on the system. // Plugins that have not been installed are built from `cmd/`. func ensurePlugin(t *testing.T, name string) string { pluginBuildLock.Lock(name) defer pluginBuildLock.Unlock(name) goPath := os.Getenv("GOPATH") if goPath == "" { goPath = "/go" } installPath := filepath.Join(goPath, "bin", name) if _, err := os.Stat(installPath); err == nil { return installPath } goBin, err := exec.LookPath("go") assert.NilError(t, err) cmd := exec.Command(goBin, "build", "-o", installPath, "./"+filepath.Join("cmd", name)) cmd.Env = append(os.Environ(), "CGO_ENABLED=0") if out, err := cmd.CombinedOutput(); err != nil { t.Fatal(errors.Wrapf(err, "error building basic plugin bin: %s", string(out))) } return installPath } func withSockPath(name string) func(*plugin.Config) { return func(cfg *plugin.Config) { cfg.Interface.Socket = name } } func createPlugin(t *testing.T, client plugin.CreateClient, alias, bin string, opts ...plugin.CreateOpt) { pluginBin := ensurePlugin(t, bin) opts = append(opts, withSockPath("plugin.sock")) opts = append(opts, plugin.WithBinary(pluginBin)) ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) err := plugin.Create(ctx, client, alias, opts...) cancel() assert.NilError(t, err) } func asVolumeDriver(cfg *plugin.Config) { cfg.Interface.Types = []types.PluginInterfaceType{ {Capability: "volumedriver", Prefix: "docker", Version: "1.0"}, } }