|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "encoding/json" |
| 6 | + "fmt" |
| 7 | + "io" |
| 8 | + "net/http" |
| 9 | + "sort" |
| 10 | + "strings" |
| 11 | + "time" |
| 12 | +) |
| 13 | + |
| 14 | +type Origin struct { |
| 15 | + Name string `json:"name"` |
| 16 | + URL string `json:"url"` |
| 17 | +} |
| 18 | + |
| 19 | +type originList struct { |
| 20 | + Origins []Origin `json:"origins"` |
| 21 | +} |
| 22 | + |
| 23 | +func normalizedOrigin() string { |
| 24 | + if originFlag == "" { |
| 25 | + return "local" |
| 26 | + } |
| 27 | + return originFlag |
| 28 | +} |
| 29 | + |
| 30 | +func usingLocalOrigin() bool { |
| 31 | + return normalizedOrigin() == "local" |
| 32 | +} |
| 33 | + |
| 34 | +func resolveOriginURL(name string) (string, error) { |
| 35 | + if name == "" || name == "local" { |
| 36 | + return daemonURL(), nil |
| 37 | + } |
| 38 | + |
| 39 | + origins, err := fetchOrigins() |
| 40 | + if err != nil { |
| 41 | + return "", err |
| 42 | + } |
| 43 | + for _, origin := range origins { |
| 44 | + if origin.Name == name { |
| 45 | + return strings.TrimRight(origin.URL, "/"), nil |
| 46 | + } |
| 47 | + } |
| 48 | + return "", fmt.Errorf("unknown origin %q; configured: %s", name, joinOriginNames(origins)) |
| 49 | +} |
| 50 | + |
| 51 | +func fetchOrigins() ([]Origin, error) { |
| 52 | + url := daemonURL() + "/api/v1/origins" |
| 53 | + client := &http.Client{Timeout: 5 * time.Second} |
| 54 | + resp, err := client.Get(url) |
| 55 | + if err != nil { |
| 56 | + return nil, fmt.Errorf("reaching local daemon for origins at %s: %w", url, err) |
| 57 | + } |
| 58 | + defer resp.Body.Close() |
| 59 | + |
| 60 | + body, err := io.ReadAll(resp.Body) |
| 61 | + if err != nil { |
| 62 | + return nil, fmt.Errorf("reading origins response: %w", err) |
| 63 | + } |
| 64 | + if resp.StatusCode != http.StatusOK { |
| 65 | + return nil, fmt.Errorf("origins endpoint returned %d: %s", resp.StatusCode, strings.TrimSpace(string(body))) |
| 66 | + } |
| 67 | + |
| 68 | + var out originList |
| 69 | + if err := json.Unmarshal(body, &out); err != nil { |
| 70 | + return nil, fmt.Errorf("parsing origins response: %w", err) |
| 71 | + } |
| 72 | + return out.Origins, nil |
| 73 | +} |
| 74 | + |
| 75 | +func postRemoteLifecycle(action string, payload map[string]any) error { |
| 76 | + origin := normalizedOrigin() |
| 77 | + baseURL, err := resolveOriginURL(origin) |
| 78 | + if err != nil { |
| 79 | + return err |
| 80 | + } |
| 81 | + |
| 82 | + payload["action"] = action |
| 83 | + body, err := json.Marshal(payload) |
| 84 | + if err != nil { |
| 85 | + return fmt.Errorf("encoding lifecycle request: %w", err) |
| 86 | + } |
| 87 | + |
| 88 | + url := baseURL + "/api/v1/lifecycle" |
| 89 | + client := &http.Client{Timeout: 15 * time.Second} |
| 90 | + resp, err := client.Post(url, "application/json", bytes.NewReader(body)) |
| 91 | + if err != nil { |
| 92 | + return fmt.Errorf("origin %q unreachable at %s: %w", origin, url, err) |
| 93 | + } |
| 94 | + defer resp.Body.Close() |
| 95 | + |
| 96 | + respBody, err := io.ReadAll(resp.Body) |
| 97 | + if err != nil { |
| 98 | + return fmt.Errorf("reading lifecycle response from origin %q: %w", origin, err) |
| 99 | + } |
| 100 | + if resp.StatusCode < 200 || resp.StatusCode >= 300 { |
| 101 | + return fmt.Errorf("origin %q returned %d: %s", origin, resp.StatusCode, strings.TrimSpace(string(respBody))) |
| 102 | + } |
| 103 | + fmt.Print(string(respBody)) |
| 104 | + return nil |
| 105 | +} |
| 106 | + |
| 107 | +func joinOriginNames(origins []Origin) string { |
| 108 | + names := make([]string, 0, len(origins)) |
| 109 | + for _, origin := range origins { |
| 110 | + names = append(names, origin.Name) |
| 111 | + } |
| 112 | + sort.Strings(names) |
| 113 | + if len(names) == 0 { |
| 114 | + return "<none>" |
| 115 | + } |
| 116 | + return strings.Join(names, ", ") |
| 117 | +} |
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