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| 1 | +// SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | + |
| 3 | +package main |
| 4 | + |
| 5 | +import ( |
| 6 | + "context" |
| 7 | + "errors" |
| 8 | + "fmt" |
| 9 | + "regexp" |
| 10 | + "strconv" |
| 11 | + "strings" |
| 12 | + "text/tabwriter" |
| 13 | + "time" |
| 14 | + |
| 15 | + "github.com/jackc/pgx/v5/pgtype" |
| 16 | + "github.com/jackc/pgx/v5/pgxpool" |
| 17 | + "github.com/spf13/cobra" |
| 18 | + |
| 19 | + "github.com/tenseleyFlow/shithub/internal/actions/runnertoken" |
| 20 | + actionsdb "github.com/tenseleyFlow/shithub/internal/actions/sqlc" |
| 21 | + "github.com/tenseleyFlow/shithub/internal/infra/config" |
| 22 | + "github.com/tenseleyFlow/shithub/internal/infra/db" |
| 23 | +) |
| 24 | + |
| 25 | +var runnerLabelRE = regexp.MustCompile(`^[A-Za-z0-9_.-]+$`) |
| 26 | + |
| 27 | +func newAdminRunnerCmd() *cobra.Command { |
| 28 | + cmd := &cobra.Command{ |
| 29 | + Use: "runner", |
| 30 | + Short: "Register, list, and revoke Actions runners", |
| 31 | + } |
| 32 | + cmd.AddCommand(newAdminRunnerRegisterCmd()) |
| 33 | + cmd.AddCommand(newAdminRunnerListCmd()) |
| 34 | + cmd.AddCommand(newAdminRunnerRevokeCmd()) |
| 35 | + return cmd |
| 36 | +} |
| 37 | + |
| 38 | +func newAdminRunnerRegisterCmd() *cobra.Command { |
| 39 | + var name string |
| 40 | + var labelsRaw string |
| 41 | + var capacity int |
| 42 | + cmd := &cobra.Command{ |
| 43 | + Use: "register --name <name> [--labels self-hosted,linux] [--capacity 1]", |
| 44 | + Short: "Register an Actions runner and print its token once", |
| 45 | + RunE: func(cmd *cobra.Command, _ []string) error { |
| 46 | + name = strings.TrimSpace(name) |
| 47 | + if name == "" { |
| 48 | + return errors.New("admin runner register: --name is required") |
| 49 | + } |
| 50 | + labels, err := parseRunnerLabels(labelsRaw) |
| 51 | + if err != nil { |
| 52 | + return err |
| 53 | + } |
| 54 | + if capacity < 1 || capacity > 64 { |
| 55 | + return errors.New("admin runner register: --capacity must be between 1 and 64") |
| 56 | + } |
| 57 | + |
| 58 | + cfg, err := config.Load(nil) |
| 59 | + if err != nil { |
| 60 | + return err |
| 61 | + } |
| 62 | + ctx, cancel := context.WithTimeout(cmd.Context(), 30*time.Second) |
| 63 | + defer cancel() |
| 64 | + pool, err := openAdminRunnerPool(ctx, cfg, "register") |
| 65 | + if err != nil { |
| 66 | + return err |
| 67 | + } |
| 68 | + defer pool.Close() |
| 69 | + |
| 70 | + token, tokenHash, err := runnertoken.New() |
| 71 | + if err != nil { |
| 72 | + return fmt.Errorf("admin runner register: mint token: %w", err) |
| 73 | + } |
| 74 | + |
| 75 | + q := actionsdb.New() |
| 76 | + tx, err := pool.Begin(ctx) |
| 77 | + if err != nil { |
| 78 | + return fmt.Errorf("admin runner register: begin: %w", err) |
| 79 | + } |
| 80 | + committed := false |
| 81 | + defer func() { |
| 82 | + if !committed { |
| 83 | + _ = tx.Rollback(ctx) |
| 84 | + } |
| 85 | + }() |
| 86 | + |
| 87 | + runner, err := q.InsertRunner(ctx, tx, actionsdb.InsertRunnerParams{ |
| 88 | + Name: name, |
| 89 | + Labels: labels, |
| 90 | + Capacity: int32(capacity), |
| 91 | + RegisteredByUserID: pgtype.Int8{}, |
| 92 | + }) |
| 93 | + if err != nil { |
| 94 | + return fmt.Errorf("admin runner register: insert runner: %w", err) |
| 95 | + } |
| 96 | + if _, err := q.InsertRunnerToken(ctx, tx, actionsdb.InsertRunnerTokenParams{ |
| 97 | + RunnerID: runner.ID, |
| 98 | + TokenHash: tokenHash, |
| 99 | + ExpiresAt: pgtype.Timestamptz{}, |
| 100 | + }); err != nil { |
| 101 | + return fmt.Errorf("admin runner register: insert token: %w", err) |
| 102 | + } |
| 103 | + if err := tx.Commit(ctx); err != nil { |
| 104 | + return fmt.Errorf("admin runner register: commit: %w", err) |
| 105 | + } |
| 106 | + committed = true |
| 107 | + |
| 108 | + _, _ = fmt.Fprintf(cmd.OutOrStdout(), |
| 109 | + "runner registered\nid: %d\nname: %s\nlabels: %s\ncapacity: %d\ntoken: %s\n\nStore this token now; shithub never shows it again.\n", |
| 110 | + runner.ID, runner.Name, strings.Join(runner.Labels, ","), runner.Capacity, token) |
| 111 | + return nil |
| 112 | + }, |
| 113 | + } |
| 114 | + cmd.Flags().StringVar(&name, "name", "", "Runner name (letters, numbers, underscore, dash)") |
| 115 | + cmd.Flags().StringVar(&labelsRaw, "labels", "", "Comma-separated runner labels") |
| 116 | + cmd.Flags().IntVar(&capacity, "capacity", 1, "Maximum concurrent jobs this runner may execute") |
| 117 | + return cmd |
| 118 | +} |
| 119 | + |
| 120 | +func newAdminRunnerListCmd() *cobra.Command { |
| 121 | + return &cobra.Command{ |
| 122 | + Use: "list", |
| 123 | + Short: "List registered Actions runners", |
| 124 | + RunE: func(cmd *cobra.Command, _ []string) error { |
| 125 | + cfg, err := config.Load(nil) |
| 126 | + if err != nil { |
| 127 | + return err |
| 128 | + } |
| 129 | + ctx, cancel := context.WithTimeout(cmd.Context(), 30*time.Second) |
| 130 | + defer cancel() |
| 131 | + pool, err := openAdminRunnerPool(ctx, cfg, "list") |
| 132 | + if err != nil { |
| 133 | + return err |
| 134 | + } |
| 135 | + defer pool.Close() |
| 136 | + |
| 137 | + rows, err := actionsdb.New().ListRunners(ctx, pool) |
| 138 | + if err != nil { |
| 139 | + return fmt.Errorf("admin runner list: %w", err) |
| 140 | + } |
| 141 | + tw := tabwriter.NewWriter(cmd.OutOrStdout(), 0, 0, 2, ' ', 0) |
| 142 | + _, _ = fmt.Fprintln(tw, "ID\tNAME\tSTATUS\tCAPACITY\tLABELS\tLAST_HEARTBEAT") |
| 143 | + for _, r := range rows { |
| 144 | + last := "never" |
| 145 | + if r.LastHeartbeatAt.Valid { |
| 146 | + last = r.LastHeartbeatAt.Time.Format(time.RFC3339) |
| 147 | + } |
| 148 | + _, _ = fmt.Fprintf(tw, "%d\t%s\t%s\t%d\t%s\t%s\n", |
| 149 | + r.ID, r.Name, r.Status, r.Capacity, strings.Join(r.Labels, ","), last) |
| 150 | + } |
| 151 | + return tw.Flush() |
| 152 | + }, |
| 153 | + } |
| 154 | +} |
| 155 | + |
| 156 | +func newAdminRunnerRevokeCmd() *cobra.Command { |
| 157 | + var idRaw string |
| 158 | + cmd := &cobra.Command{ |
| 159 | + Use: "revoke --id <id>", |
| 160 | + Short: "Revoke all registration tokens for an Actions runner", |
| 161 | + RunE: func(cmd *cobra.Command, _ []string) error { |
| 162 | + id, err := strconv.ParseInt(strings.TrimSpace(idRaw), 10, 64) |
| 163 | + if err != nil || id <= 0 { |
| 164 | + return errors.New("admin runner revoke: --id must be a positive integer") |
| 165 | + } |
| 166 | + cfg, err := config.Load(nil) |
| 167 | + if err != nil { |
| 168 | + return err |
| 169 | + } |
| 170 | + ctx, cancel := context.WithTimeout(cmd.Context(), 30*time.Second) |
| 171 | + defer cancel() |
| 172 | + pool, err := openAdminRunnerPool(ctx, cfg, "revoke") |
| 173 | + if err != nil { |
| 174 | + return err |
| 175 | + } |
| 176 | + defer pool.Close() |
| 177 | + |
| 178 | + q := actionsdb.New() |
| 179 | + runner, err := q.GetRunnerByID(ctx, pool, id) |
| 180 | + if err != nil { |
| 181 | + return fmt.Errorf("admin runner revoke: runner %d not found", id) |
| 182 | + } |
| 183 | + if err := q.RevokeAllTokensForRunner(ctx, pool, id); err != nil { |
| 184 | + return fmt.Errorf("admin runner revoke: %w", err) |
| 185 | + } |
| 186 | + _, _ = fmt.Fprintf(cmd.OutOrStdout(), "runner revoked\nid: %d\nname: %s\n", runner.ID, runner.Name) |
| 187 | + return nil |
| 188 | + }, |
| 189 | + } |
| 190 | + cmd.Flags().StringVar(&idRaw, "id", "", "Runner id") |
| 191 | + return cmd |
| 192 | +} |
| 193 | + |
| 194 | +func openAdminRunnerPool(ctx context.Context, cfg config.Config, op string) (*pgxpool.Pool, error) { |
| 195 | + if cfg.DB.URL == "" { |
| 196 | + return nil, fmt.Errorf("admin runner %s: DB not configured (set SHITHUB_DATABASE_URL)", op) |
| 197 | + } |
| 198 | + pool, err := db.Open(ctx, db.Config{ |
| 199 | + URL: cfg.DB.URL, MaxConns: 2, MinConns: 0, |
| 200 | + ConnectTimeout: cfg.DB.ConnectTimeout, |
| 201 | + }) |
| 202 | + if err != nil { |
| 203 | + return nil, fmt.Errorf("admin runner %s: db open: %w", op, err) |
| 204 | + } |
| 205 | + return pool, nil |
| 206 | +} |
| 207 | + |
| 208 | +func parseRunnerLabels(raw string) ([]string, error) { |
| 209 | + raw = strings.TrimSpace(raw) |
| 210 | + if raw == "" { |
| 211 | + return []string{}, nil |
| 212 | + } |
| 213 | + parts := strings.Split(raw, ",") |
| 214 | + seen := make(map[string]struct{}, len(parts)) |
| 215 | + labels := make([]string, 0, len(parts)) |
| 216 | + for _, part := range parts { |
| 217 | + label := strings.TrimSpace(part) |
| 218 | + if label == "" { |
| 219 | + return nil, errors.New("admin runner: labels must not contain empty entries") |
| 220 | + } |
| 221 | + if len(label) > 100 || !runnerLabelRE.MatchString(label) { |
| 222 | + return nil, fmt.Errorf("admin runner: invalid label %q", label) |
| 223 | + } |
| 224 | + if _, ok := seen[label]; ok { |
| 225 | + continue |
| 226 | + } |
| 227 | + seen[label] = struct{}{} |
| 228 | + labels = append(labels, label) |
| 229 | + } |
| 230 | + return labels, nil |
| 231 | +} |
| 232 | + |
| 233 | +func init() { |
| 234 | + adminCmd.AddCommand(newAdminRunnerCmd()) |
| 235 | + adminActionsCmd.AddCommand(newAdminRunnerCmd()) |
| 236 | +} |