kot.pink
1package knotserver
2
3import (
4 "context"
5 "fmt"
6 "net/http"
7
8 "github.com/urfave/cli/v3"
9 "tangled.sh/tangled.sh/core/api/tangled"
10 "tangled.sh/tangled.sh/core/hook"
11 "tangled.sh/tangled.sh/core/jetstream"
12 "tangled.sh/tangled.sh/core/knotserver/config"
13 "tangled.sh/tangled.sh/core/knotserver/db"
14 "tangled.sh/tangled.sh/core/log"
15 "tangled.sh/tangled.sh/core/rbac"
16)
17
18func Command() *cli.Command {
19 return &cli.Command{
20 Name: "server",
21 Usage: "run a knot server",
22 Action: Run,
23 Description: `
24Environment variables:
25 KNOT_SERVER_SECRET (required)
26 KNOT_SERVER_HOSTNAME (required)
27 KNOT_SERVER_LISTEN_ADDR (default: 0.0.0.0:5555)
28 KNOT_SERVER_INTERNAL_LISTEN_ADDR (default: 127.0.0.1:5444)
29 KNOT_SERVER_DB_PATH (default: knotserver.db)
30 KNOT_SERVER_JETSTREAM_ENDPOINT (default: wss://jetstream1.us-west.bsky.network/subscribe)
31 KNOT_SERVER_DEV (default: false)
32 KNOT_REPO_SCAN_PATH (default: /home/git)
33 KNOT_REPO_README (comma-separated list)
34 KNOT_REPO_MAIN_BRANCH (default: main)
35 APPVIEW_ENDPOINT (default: https://tangled.sh)
36`,
37 }
38}
39
40func Run(ctx context.Context, cmd *cli.Command) error {
41 logger := log.FromContext(ctx)
42 iLogger := log.New("knotserver/internal")
43
44 c, err := config.Load(ctx)
45 if err != nil {
46 return fmt.Errorf("failed to load config: %w", err)
47 }
48
49 err = hook.Setup(
50 hook.WithScanPath(c.Repo.ScanPath),
51 hook.WithInternalApi(c.Server.InternalListenAddr),
52 )
53 if err != nil {
54 return fmt.Errorf("failed to setup hooks: %w", err)
55 }
56 logger.Info("successfully finished setting up hooks")
57
58 if c.Server.Dev {
59 logger.Info("running in dev mode, signature verification is disabled")
60 }
61
62 db, err := db.Setup(c.Server.DBPath)
63 if err != nil {
64 return fmt.Errorf("failed to load db: %w", err)
65 }
66
67 e, err := rbac.NewEnforcer(c.Server.DBPath)
68 if err != nil {
69 return fmt.Errorf("failed to setup rbac enforcer: %w", err)
70 }
71
72 e.E.EnableAutoSave(true)
73
74 jc, err := jetstream.NewJetstreamClient(c.Server.JetstreamEndpoint, "knotserver", []string{
75 tangled.PublicKeyNSID,
76 tangled.KnotMemberNSID,
77 }, nil, logger, db, true)
78 if err != nil {
79 logger.Error("failed to setup jetstream", "error", err)
80 }
81
82 mux, err := Setup(ctx, c, db, e, jc, logger)
83 if err != nil {
84 return fmt.Errorf("failed to setup server: %w", err)
85 }
86 imux := Internal(ctx, db, e, iLogger)
87
88 logger.Info("starting internal server", "address", c.Server.InternalListenAddr)
89 go http.ListenAndServe(c.Server.InternalListenAddr, imux)
90
91 logger.Info("starting main server", "address", c.Server.ListenAddr)
92 logger.Error("server error", "error", http.ListenAndServe(c.Server.ListenAddr, mux))
93
94 return nil
95}