|
| 1 | +package cli |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "strings" |
| 6 | + "time" |
| 7 | + |
| 8 | + "github.com/google/uuid" |
| 9 | + "golang.org/x/xerrors" |
| 10 | + |
| 11 | + "github.com/coder/coder/v2/cli/cliui" |
| 12 | + "github.com/coder/coder/v2/codersdk" |
| 13 | + "github.com/coder/serpent" |
| 14 | +) |
| 15 | + |
| 16 | +func (r *RootCmd) taskStatus() *serpent.Command { |
| 17 | + var ( |
| 18 | + client = new(codersdk.Client) |
| 19 | + formatter = cliui.NewOutputFormatter( |
| 20 | + cliui.TableFormat( |
| 21 | + []taskStatusRow{}, |
| 22 | + []string{ |
| 23 | + "state changed", |
| 24 | + "status", |
| 25 | + "state", |
| 26 | + "message", |
| 27 | + }, |
| 28 | + ), |
| 29 | + cliui.ChangeFormatterData( |
| 30 | + cliui.JSONFormat(), |
| 31 | + func(data any) (any, error) { |
| 32 | + rows, ok := data.([]taskStatusRow) |
| 33 | + if !ok { |
| 34 | + return nil, xerrors.Errorf("expected []taskStatusRow, got %T", data) |
| 35 | + } |
| 36 | + if len(rows) != 1 { |
| 37 | + return nil, xerrors.Errorf("expected exactly 1 row, got %d", len(rows)) |
| 38 | + } |
| 39 | + return rows[0], nil |
| 40 | + }, |
| 41 | + ), |
| 42 | + ) |
| 43 | + watchArg bool |
| 44 | + watchIntervalArg time.Duration |
| 45 | + ) |
| 46 | + cmd := &serpent.Command{ |
| 47 | + Short: "Show the status of a task.", |
| 48 | + Use: "status", |
| 49 | + Aliases: []string{"stat"}, |
| 50 | + Options: serpent.OptionSet{ |
| 51 | + { |
| 52 | + Default: "false", |
| 53 | + Description: "Watch the task status output. This will stream updates to the terminal until the underlying workspace is stopped.", |
| 54 | + Flag: "watch", |
| 55 | + Name: "watch", |
| 56 | + Value: serpent.BoolOf(&watchArg), |
| 57 | + }, |
| 58 | + { |
| 59 | + Default: "1s", |
| 60 | + Description: "Interval to poll the task for updates. Only used in tests.", |
| 61 | + Hidden: true, |
| 62 | + Flag: "watch-interval", |
| 63 | + Name: "watch-interval", |
| 64 | + Value: serpent.DurationOf(&watchIntervalArg), |
| 65 | + }, |
| 66 | + }, |
| 67 | + Middleware: serpent.Chain( |
| 68 | + serpent.RequireNArgs(1), |
| 69 | + r.InitClient(client), |
| 70 | + ), |
| 71 | + Handler: func(i *serpent.Invocation) error { |
| 72 | + ctx := i.Context() |
| 73 | + ec := codersdk.NewExperimentalClient(client) |
| 74 | + identifier := i.Args[0] |
| 75 | + |
| 76 | + taskID, err := uuid.Parse(identifier) |
| 77 | + if err != nil { |
| 78 | + // Try to resolve the task as a named workspace |
| 79 | + // TODO: right now tasks are still "workspaces" under the hood. |
| 80 | + // We should update this once we have a proper task model. |
| 81 | + ws, err := namedWorkspace(ctx, client, identifier) |
| 82 | + if err != nil { |
| 83 | + return err |
| 84 | + } |
| 85 | + taskID = ws.ID |
| 86 | + } |
| 87 | + task, err := ec.TaskByID(ctx, taskID) |
| 88 | + if err != nil { |
| 89 | + return err |
| 90 | + } |
| 91 | + |
| 92 | + out, err := formatter.Format(ctx, toStatusRow(task)) |
| 93 | + if err != nil { |
| 94 | + return xerrors.Errorf("format task status: %w", err) |
| 95 | + } |
| 96 | + _, _ = fmt.Fprintln(i.Stdout, out) |
| 97 | + |
| 98 | + if !watchArg { |
| 99 | + return nil |
| 100 | + } |
| 101 | + |
| 102 | + lastStatus := task.Status |
| 103 | + lastState := task.CurrentState |
| 104 | + t := time.NewTicker(watchIntervalArg) |
| 105 | + defer t.Stop() |
| 106 | + // TODO: implement streaming updates instead of polling |
| 107 | + for range t.C { |
| 108 | + task, err := ec.TaskByID(ctx, taskID) |
| 109 | + if err != nil { |
| 110 | + return err |
| 111 | + } |
| 112 | + if lastStatus == task.Status && taskStatusEqual(lastState, task.CurrentState) { |
| 113 | + continue |
| 114 | + } |
| 115 | + out, err := formatter.Format(ctx, toStatusRow(task)) |
| 116 | + if err != nil { |
| 117 | + return xerrors.Errorf("format task status: %w", err) |
| 118 | + } |
| 119 | + // hack: skip the extra column header from formatter |
| 120 | + if formatter.FormatID() != cliui.JSONFormat().ID() { |
| 121 | + out = strings.SplitN(out, "\n", 2)[1] |
| 122 | + } |
| 123 | + _, _ = fmt.Fprintln(i.Stdout, out) |
| 124 | + |
| 125 | + if task.Status == codersdk.WorkspaceStatusStopped { |
| 126 | + return nil |
| 127 | + } |
| 128 | + lastStatus = task.Status |
| 129 | + lastState = task.CurrentState |
| 130 | + } |
| 131 | + return nil |
| 132 | + }, |
| 133 | + } |
| 134 | + formatter.AttachOptions(&cmd.Options) |
| 135 | + return cmd |
| 136 | +} |
| 137 | + |
| 138 | +func taskStatusEqual(s1, s2 *codersdk.TaskStateEntry) bool { |
| 139 | + if s1 == nil && s2 == nil { |
| 140 | + return true |
| 141 | + } |
| 142 | + if s1 == nil || s2 == nil { |
| 143 | + return false |
| 144 | + } |
| 145 | + return s1.State == s2.State |
| 146 | +} |
| 147 | + |
| 148 | +type taskStatusRow struct { |
| 149 | + codersdk.Task `table:"-"` |
| 150 | + ChangedAgo string `json:"-" table:"state changed,default_sort"` |
| 151 | + Timestamp time.Time `json:"-" table:"-"` |
| 152 | + TaskStatus string `json:"-" table:"status"` |
| 153 | + TaskState string `json:"-" table:"state"` |
| 154 | + Message string `json:"-" table:"message"` |
| 155 | +} |
| 156 | + |
| 157 | +func toStatusRow(task codersdk.Task) []taskStatusRow { |
| 158 | + tsr := taskStatusRow{ |
| 159 | + Task: task, |
| 160 | + ChangedAgo: time.Since(task.UpdatedAt).Truncate(time.Second).String() + " ago", |
| 161 | + Timestamp: task.UpdatedAt, |
| 162 | + TaskStatus: string(task.Status), |
| 163 | + } |
| 164 | + if task.CurrentState != nil { |
| 165 | + tsr.ChangedAgo = time.Since(task.CurrentState.Timestamp).Truncate(time.Second).String() + " ago" |
| 166 | + tsr.Timestamp = task.CurrentState.Timestamp |
| 167 | + tsr.TaskState = string(task.CurrentState.State) |
| 168 | + tsr.Message = task.CurrentState.Message |
| 169 | + } |
| 170 | + return []taskStatusRow{tsr} |
| 171 | +} |
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