veryroundbird.house
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 l := log.FromContext(ctx)
42
43 c, err := config.Load(ctx)
44 if err != nil {
45 return fmt.Errorf("failed to load config: %w", err)
46 }
47
48 err = hook.Setup(
49 hook.WithScanPath(c.Repo.ScanPath),
50 hook.WithInternalApi(c.Server.InternalListenAddr),
51 )
52 if err != nil {
53 return fmt.Errorf("failed to setup hooks: %w", err)
54 }
55 l.Info("successfully finished setting up hooks")
56
57 if c.Server.Dev {
58 l.Info("running in dev mode, signature verification is disabled")
59 }
60
61 db, err := db.Setup(c.Server.DBPath)
62 if err != nil {
63 return fmt.Errorf("failed to load db: %w", err)
64 }
65
66 e, err := rbac.NewEnforcer(c.Server.DBPath)
67 if err != nil {
68 return fmt.Errorf("failed to setup rbac enforcer: %w", err)
69 }
70
71 e.E.EnableAutoSave(true)
72
73 jc, err := jetstream.NewJetstreamClient(c.Server.JetstreamEndpoint, "knotserver", []string{
74 tangled.PublicKeyNSID,
75 tangled.KnotMemberNSID,
76 }, nil, l, db, true)
77 if err != nil {
78 l.Error("failed to setup jetstream", "error", err)
79 }
80
81 mux, err := Setup(ctx, c, db, e, jc, l)
82 if err != nil {
83 return fmt.Errorf("failed to setup server: %w", err)
84 }
85 imux := Internal(ctx, db, e)
86
87 l.Info("starting internal server", "address", c.Server.InternalListenAddr)
88 go http.ListenAndServe(c.Server.InternalListenAddr, imux)
89
90 l.Info("starting main server", "address", c.Server.ListenAddr)
91 l.Error("server error", "error", http.ListenAndServe(c.Server.ListenAddr, mux))
92
93 return nil
94}