(socketPath *string)
| 20 | ) |
| 21 | |
| 22 | func (*RootCmd) syncStart(socketPath *string) *serpent.Command { |
| 23 | var timeout time.Duration |
| 24 | |
| 25 | cmd := &serpent.Command{ |
| 26 | Use: "start <unit>", |
| 27 | Short: "Wait until all unit dependencies are satisfied", |
| 28 | Long: "Wait until all dependencies are satisfied, consider the unit to have started, then allow it to proceed. This command polls until dependencies are ready, then marks the unit as started.", |
| 29 | Handler: func(i *serpent.Invocation) error { |
| 30 | ctx := i.Context() |
| 31 | |
| 32 | if len(i.Args) != 1 { |
| 33 | return xerrors.New("exactly one unit name is required") |
| 34 | } |
| 35 | unitName := unit.ID(i.Args[0]) |
| 36 | |
| 37 | if timeout > 0 { |
| 38 | var cancel context.CancelFunc |
| 39 | ctx, cancel = context.WithTimeout(ctx, timeout) |
| 40 | defer cancel() |
| 41 | } |
| 42 | |
| 43 | opts := []agentsocket.Option{} |
| 44 | if *socketPath != "" { |
| 45 | opts = append(opts, agentsocket.WithPath(*socketPath)) |
| 46 | } |
| 47 | |
| 48 | client, err := agentsocket.NewClient(ctx, opts...) |
| 49 | if err != nil { |
| 50 | return xerrors.Errorf("connect to agent socket: %w", err) |
| 51 | } |
| 52 | defer client.Close() |
| 53 | |
| 54 | statusResp, err := client.SyncStatus(ctx, unitName) |
| 55 | if err != nil { |
| 56 | return xerrors.Errorf("get status failed: %w", err) |
| 57 | } |
| 58 | ready := statusResp.IsReady |
| 59 | |
| 60 | var allDependencies []string |
| 61 | var unsatisfiedDependencies []string |
| 62 | for _, dep := range statusResp.Dependencies { |
| 63 | allDependencies = append(allDependencies, string(dep.DependsOn)) |
| 64 | if !dep.IsSatisfied { |
| 65 | unsatisfiedDependencies = append(unsatisfiedDependencies, string(dep.DependsOn)) |
| 66 | } |
| 67 | } |
| 68 | slices.Sort(allDependencies) |
| 69 | slices.Sort(unsatisfiedDependencies) |
| 70 | |
| 71 | if !ready { |
| 72 | waitedForList := strings.Join(unsatisfiedDependencies, ", ") |
| 73 | |
| 74 | cliui.Infof(i.Stdout, "Unit %q is waiting for dependencies to be satisfied: [%s]", unitName, waitedForList) |
| 75 | |
| 76 | ticker := time.NewTicker(syncPollInterval) |
| 77 | defer ticker.Stop() |
| 78 | |
| 79 | pollLoop: |
no test coverage detected