func journalAction(c *cli.Context) { if len(c.Args()) != 1 { fmt.Println("One unit file must be provided.") syscall.Exit(1) } jobName := c.Args()[0] js := registryCtl.GetJobState(jobName) if js == nil { fmt.Printf("%s does not appear to be running\n", jobName) syscall.Exit(1) } addr := fmt.Sprintf("%s:22", js.MachineState.PublicIP) var err error var sshClient *gossh.ClientConn if tun := getTunnelFlag(); tun != "" { sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr) } else { sshClient, err = ssh.NewSSHClient("core", addr) } if err != nil { log.Fatal(err.Error()) } defer sshClient.Close() cmd := fmt.Sprintf("journalctl -u %s --no-pager -l -n %d", jobName, c.Int("lines")) if c.Bool("follow") { cmd += " -f" } stdout, err := ssh.Execute(sshClient, cmd) if err != nil { log.Fatalf("Unable to run command over SSH: %s", err.Error()) } for true { bytes, prefix, err := stdout.ReadLine() if err != nil { break } fmt.Print(string(bytes)) if !prefix { fmt.Print("\n") } } }
func printUnitStatus(c *cli.Context, r *registry.Registry, jobName string) { js := r.GetJobState(jobName) if js == nil { fmt.Printf("%s does not appear to be running\n", jobName) syscall.Exit(1) } addr := fmt.Sprintf("%s:22", js.MachineState.PublicIP) var err error var sshClient *gossh.ClientConn if tun := getTunnelFlag(c); tun != "" { sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr) } else { sshClient, err = ssh.NewSSHClient("core", addr) } if err != nil { log.Fatalf("Unable to establish SSH connection: %v", err) } defer sshClient.Close() cmd := fmt.Sprintf("systemctl status -l %s", jobName) stdout, err := ssh.Execute(sshClient, cmd) if err != nil { log.Fatalf("Unable to execute command over SSH: %s", err.Error()) } for true { bytes, prefix, err := stdout.ReadLine() if err != nil { break } print(string(bytes)) if !prefix { print("\n") } } }
func sshAction(c *cli.Context) { unit := c.String("unit") machine := c.String("machine") if unit != "" && machine != "" { log.Fatal("Both flags, machine and unit provided, please specify only one") } args := c.Args() var err error var addr string switch { case machine != "": addr, _ = findAddressInMachineList(machine) case unit != "": addr, _ = findAddressInRunningUnits(unit) default: addr, err = globalMachineLookup(args) args = args[1:] } if err != nil { log.Fatal(err) } if addr == "" { log.Fatalf("Requested machine could not be found") } var sshClient *gossh.ClientConn if tun := getTunnelFlag(); tun != "" { sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr) } else { sshClient, err = ssh.NewSSHClient("core", addr) } if err != nil { log.Fatal(err.Error()) return } defer sshClient.Close() if len(args) > 0 { cmd := strings.Join(args, " ") stdout, err := ssh.Execute(sshClient, cmd) if err != nil { log.Fatalf("Unable to run command over SSH: %s", err.Error()) } for { bytes, prefix, err := stdout.ReadLine() if err != nil { break } fmt.Print(string(bytes)) if !prefix { fmt.Print("\n") } } } else { if err := ssh.Shell(sshClient); err != nil { log.Fatalf(err.Error()) } } }
func sshAction(c *cli.Context) { r := getRegistry(c) args := c.Args() unit := c.String("unit") if len(args) == 0 && unit == "" { log.Fatalf("Provide one machine or unit") } var addr string if unit == "" { lookup := args[0] args = args[1:] states := r.GetActiveMachines() var match *machine.MachineState for i, _ := range states { machState := states[i] if !strings.HasPrefix(machState.BootId, lookup) { continue } else if match != nil { log.Fatalf("Found more than one Machine, be more specfic") } match = &machState } if match == nil { log.Fatalf("Could not find provided Machine") } addr = fmt.Sprintf("%s:22", match.PublicIP) } else { js := r.GetJobState(unit) if js == nil { log.Fatalf("Requested unit %s does not appear to be running", unit) } addr = fmt.Sprintf("%s:22", js.MachineState.PublicIP) } var err error var sshClient *gossh.ClientConn if tun := getTunnelFlag(c); tun != "" { sshClient, err = ssh.NewTunnelledSSHClient("core", tun, addr) } else { sshClient, err = ssh.NewSSHClient("core", addr) } if err != nil { log.Fatalf("Unable to establish SSH connection: %v", err) return } defer sshClient.Close() if len(args) > 0 { cmd := strings.Join(args, " ") stdout, err := ssh.Execute(sshClient, cmd) if err != nil { log.Fatalf("Unable to run command over SSH: %s", err.Error()) } for { bytes, prefix, err := stdout.ReadLine() if err != nil { break } print(string(bytes)) if !prefix { print("\n") } } } else { if err := ssh.Shell(sshClient); err != nil { log.Fatalf(err.Error()) } } }