func ExampleCopyPath() { f, _ := ioutil.TempFile("", "") fmt.Fprintln(f, "hello world") f.Close() defer os.Remove(f.Name()) defer os.Remove(f.Name() + "-copy") agent, err := getAgent() if err != nil { log.Println("Failed to connect to SSH_AUTH_SOCK:", err) os.Exit(1) } client, err := ssh.Dial("tcp", "127.0.0.1:22", &ssh.ClientConfig{ User: os.Getenv("USER"), Auth: []ssh.AuthMethod{ ssh.PublicKeysCallback(agent.Signers), }, }) if err != nil { log.Println("Failed to dial:", err) os.Exit(1) } session, err := client.NewSession() if err != nil { log.Println("Failed to create session: " + err.Error()) os.Exit(1) } dest := f.Name() + "-copy" err = scp.CopyPath(f.Name(), dest, session) if _, err := os.Stat(dest); os.IsNotExist(err) { fmt.Printf("no such file or directory: %s", dest) } else { fmt.Println("success") } // output: // success }
// InstallParity installs Parity into the running Docker Machine func InstallParity(config InstallConfig) { log.Stage("Install Parity") if config.DevHost == "" { config.DevHost = "parity.local" } // Create DNS entry if config.Dns { hostname := strings.Split(utils.DockerHost(), ":")[0] log.Step("Creating host entry: %s -> %s", hostname, config.DevHost) var hosts goodhosts.Hosts var err error if hosts, err = goodhosts.NewHosts(); err == nil { hosts.Add(hostname, config.DevHost) } else { log.Error("Unable to create DNS Entry: %s", err.Error()) } if err = hosts.Flush(); err != nil { log.Error("Unable to create DNS Entry: %s", err.Error()) } } // Check - is there a Docker Machine created? // -> If so, use the currently selected machine // -> If not, create another machine // -> Persist these settings in ~/.parityrc? // Wrap the local Docker command so that we don't have to use Docker Machine all of the time! type FileTemplate struct { Version string } templateData := FileTemplate{Version: version.Version} // Create the install mirror daemon template file := utils.CreateTemplateTempFile(templatesBootlocalShBytes, 0655, templateData) session, err := utils.SSHSession(utils.DockerHost()) if err != nil { log.Fatalf("Unable to connect to Docker utils.DockerHost(). Is Docker running? (%v)", err.Error()) } log.Step("Installing bootlocal.sh on Docker Host") remoteTmpFile := fmt.Sprintf("/tmp/%s", filepath.Base(file.Name())) err = scp.CopyPath(file.Name(), remoteTmpFile, session) utils.RunCommandWithDefaults(utils.DockerHost(), fmt.Sprintf("sudo cp %s %s", remoteTmpFile, "/var/lib/boot2docker/bootlocal.sh")) session.Close() file = utils.CreateTemplateTempFile(templatesMirrorDaemonShBytes, 0655, templateData) session, err = utils.SSHSession(utils.DockerHost()) if err != nil { log.Fatalf("Unable to connect to Docker utils.DockerHost(). Is Docker running? (%v)", err.Error()) } log.Step("Installing mirror-daemon.sh on Docker Host") remoteTmpFile = fmt.Sprintf("/tmp/%s", filepath.Base(file.Name())) err = scp.CopyPath(file.Name(), remoteTmpFile, session) utils.RunCommandWithDefaults(utils.DockerHost(), fmt.Sprintf("sudo cp %s %s", remoteTmpFile, "/var/lib/boot2docker/mirror-daemon.sh")) session.Close() log.Step("Downloading file sync utility (mirror)") utils.RunCommandWithDefaults(utils.DockerHost(), fmt.Sprintf("sudo chmod +x /var/lib/boot2docker/*.sh")) utils.RunCommandWithDefaults(utils.DockerHost(), fmt.Sprintf(" /var/lib/boot2docker/*.sh")) utils.RunCommandWithDefaults(utils.DockerHost(), fmt.Sprintf("sudo /var/lib/boot2docker/bootlocal.sh start")) log.Step("Restarting Docker") utils.RunCommandWithDefaults(utils.DockerHost(), "sudo shutdown -r now") utils.WaitForNetwork("docker", utils.DockerHost()) utils.WaitForNetwork("mirror", utils.MirrorHost()) // Removing shared folders if utils.CheckSharedFolders() { log.Step("Unmounting Virtualbox shared folders") utils.UnmountSharedFolders() } log.Stage("Install Parity : Complete") }