100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
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package hscontrol
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"github.com/tailscale/tailsql/server/tailsql"
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"tailscale.com/tsnet"
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"tailscale.com/tsweb"
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"tailscale.com/types/logger"
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)
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func runTailSQLService(ctx context.Context, logf logger.Logf, stateDir, dbPath string) error {
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opts := tailsql.Options{
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Hostname: "tailsql-headscale",
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StateDir: stateDir,
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Sources: []tailsql.DBSpec{
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{
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Source: "headscale",
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Label: "headscale - sqlite",
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Driver: "sqlite",
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URL: fmt.Sprintf("file:%s?mode=ro", dbPath),
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Named: map[string]string{
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"schema": `select * from sqlite_schema`,
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},
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},
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},
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}
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tsNode := &tsnet.Server{
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Dir: os.ExpandEnv(opts.StateDir),
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Hostname: opts.Hostname,
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Logf: logger.Discard,
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}
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// if *doDebugLog {
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// tsNode.Logf = logf
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// }
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defer tsNode.Close()
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logf("Starting tailscale (hostname=%q)", opts.Hostname)
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lc, err := tsNode.LocalClient()
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if err != nil {
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return fmt.Errorf("connect local client: %w", err)
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}
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opts.LocalClient = lc // for authentication
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// Make sure the Tailscale node starts up. It might not, if it is a new node
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// and the user did not provide an auth key.
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if st, err := tsNode.Up(ctx); err != nil {
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return fmt.Errorf("starting tailscale: %w", err)
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} else {
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logf("tailscale started, node state %q", st.BackendState)
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}
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// Reaching here, we have a running Tailscale node, now we can set up the
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// HTTP and/or HTTPS plumbing for TailSQL itself.
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tsql, err := tailsql.NewServer(opts)
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if err != nil {
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return fmt.Errorf("creating tailsql server: %w", err)
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}
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lst, err := tsNode.Listen("tcp", ":80")
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if err != nil {
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return fmt.Errorf("listen port 80: %w", err)
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}
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if opts.ServeHTTPS {
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// When serving TLS, add a redirect from HTTP on port 80 to HTTPS on 443.
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certDomains := tsNode.CertDomains()
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if len(certDomains) == 0 {
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fmt.Errorf("no cert domains available for HTTPS")
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}
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base := "https://" + certDomains[0]
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go http.Serve(lst, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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target := base + r.RequestURI
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http.Redirect(w, r, target, http.StatusPermanentRedirect)
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}))
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// log.Printf("Redirecting HTTP to HTTPS at %q", base)
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// For the real service, start a separate listener.
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// Note: Replaces the port 80 listener.
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var err error
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lst, err = tsNode.ListenTLS("tcp", ":443")
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if err != nil {
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return fmt.Errorf("listen TLS: %w", err)
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}
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logf("enabled serving via HTTPS")
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}
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mux := tsql.NewMux()
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tsweb.Debugger(mux)
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go http.Serve(lst, mux)
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logf("ailSQL started")
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<-ctx.Done()
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logf("TailSQL shutting down...")
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return tsNode.Close()
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}
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