func (d *delegate) Initialize(mctx application.Context) {
// TODO(bjornick): Calling init multiple times in the same process
// will be bad. For now, this is ok because this is the only
// vanadium service that will be used in the demos and each go library
// will be in its own process.
roaming.SetArgs(mctx)
d.ctx, d.shutdown = v23.Init()
if *flagTestMode {
// Inject a mock plugin.
df, _ := idiscovery.NewFactory(d.ctx, mock.New())
fdiscovery.InjectFactory(df)
// Start a mounttable and set the namespace roots.
//
// Note that we need to listen on a local IP address in order to
// accept connections within a GCE instance.
d.ctx = v23.WithListenSpec(d.ctx, rpc.ListenSpec{Addrs: rpc.ListenAddrs{{Protocol: "tcp", Address: "127.0.0.1:0"}}})
name, _, err := mounttablelib.StartServers(d.ctx, v23.GetListenSpec(d.ctx), "", "", "", "", "mounttable")
if err != nil {
panic(err)
}
ns := v23.GetNamespace(d.ctx)
ns.SetRoots(name)
}
}
// StartMounttable starts a local mounttable server with an authorization
// policy that allows all principals to "Resolve" names, but restricts all
// other operations to the principal specified by the provided context.
//
// The mounttable makes itself visible in the local neighborhood under the
// name LockNeighborhoodPrefix + <nhName>.
//
// Returns the endpoint of the mounttable server and a callback to
// be invoked to shutdown the mounttable server on success, or an error
// on failure.
func StartMounttable(ctx *context.T, configDir string, nhName string) (string, func(), error) {
if len(configDir) == 0 {
return "", nil, errors.New("could not start mounttable, config directory not provided")
}
permFilePath := filepath.Join(configDir, permsFile)
if err := initPermissions(permFilePath); err != nil {
return "", nil, fmt.Errorf("could not initialize permissions file (%v) for mounttable: %v", permFilePath, err)
}
mtName, stopMT, err := mounttablelib.StartServers(ctx, v23.GetListenSpec(ctx), "", nhName, permFilePath, "", "mounttable")
if err != nil {
vlog.Errorf("mounttablelib.StartServers failed: %v", err)
return "", nil, err
}
vlog.Infof("Started local mounttable at: %v", mtName)
return mtName, func() {
vlog.Infof("Stopping mounttable...")
stopMT()
vlog.Infof("Stopped mounttable.")
}, nil
}