mirror of
https://github.com/DeBrosOfficial/orama.git
synced 2026-03-17 12:06:57 +00:00
a0468461ab
- new `orama sandbox reset` deletes Hetzner resources (IPs, firewall, SSH key) and local config - interactive location/server type selection during `setup` - add Hetzner API methods for listing locations/types, deleting resources - update defaults to nbg1/cx23
604 lines
17 KiB
Go
604 lines
17 KiB
Go
package sandbox
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import (
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"bufio"
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"crypto/ed25519"
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"crypto/rand"
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"encoding/pem"
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"fmt"
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"os"
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"os/exec"
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"sort"
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"strconv"
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"strings"
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"time"
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"golang.org/x/crypto/ssh"
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)
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// Setup runs the interactive sandbox setup wizard.
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func Setup() error {
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fmt.Println("Orama Sandbox Setup")
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fmt.Println("====================")
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fmt.Println()
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reader := bufio.NewReader(os.Stdin)
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// Step 1: Hetzner API token
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fmt.Print("Hetzner Cloud API token: ")
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token, err := reader.ReadString('\n')
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if err != nil {
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return fmt.Errorf("read token: %w", err)
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}
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token = strings.TrimSpace(token)
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if token == "" {
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return fmt.Errorf("API token is required")
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}
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fmt.Print(" Validating token... ")
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client := NewHetznerClient(token)
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if err := client.ValidateToken(); err != nil {
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fmt.Println("FAILED")
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return fmt.Errorf("invalid token: %w", err)
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}
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fmt.Println("OK")
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fmt.Println()
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// Step 2: Domain
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fmt.Print("Sandbox domain (e.g., sbx.dbrs.space): ")
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domain, err := reader.ReadString('\n')
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if err != nil {
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return fmt.Errorf("read domain: %w", err)
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}
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domain = strings.TrimSpace(domain)
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if domain == "" {
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return fmt.Errorf("domain is required")
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}
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cfg := &Config{
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HetznerAPIToken: token,
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Domain: domain,
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}
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// Step 3: Location selection
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fmt.Println()
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location, err := selectLocation(client, reader)
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if err != nil {
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return err
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}
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cfg.Location = location
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// Step 4: Server type selection
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fmt.Println()
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serverType, err := selectServerType(client, reader, location)
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if err != nil {
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return err
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}
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cfg.ServerType = serverType
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// Step 5: Floating IPs
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fmt.Println()
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fmt.Println("Checking floating IPs...")
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floatingIPs, err := setupFloatingIPs(client, cfg.Location)
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if err != nil {
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return err
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}
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cfg.FloatingIPs = floatingIPs
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// Step 6: Firewall
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fmt.Println()
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fmt.Println("Checking firewall...")
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fwID, err := setupFirewall(client)
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if err != nil {
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return err
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}
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cfg.FirewallID = fwID
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// Step 7: SSH key
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fmt.Println()
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fmt.Println("Setting up SSH key...")
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sshKeyConfig, err := setupSSHKey(client)
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if err != nil {
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return err
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}
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cfg.SSHKey = sshKeyConfig
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// Step 8: Display DNS instructions
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fmt.Println()
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fmt.Println("DNS Configuration")
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fmt.Println("-----------------")
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fmt.Println("Configure the following at your domain registrar:")
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fmt.Println()
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fmt.Printf(" 1. Add glue records (Personal DNS Servers):\n")
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fmt.Printf(" ns1.%s -> %s\n", domain, cfg.FloatingIPs[0].IP)
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fmt.Printf(" ns2.%s -> %s\n", domain, cfg.FloatingIPs[1].IP)
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fmt.Println()
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fmt.Printf(" 2. Set custom nameservers for %s:\n", domain)
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fmt.Printf(" ns1.%s\n", domain)
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fmt.Printf(" ns2.%s\n", domain)
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fmt.Println()
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// Step 9: Verify DNS (optional)
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fmt.Print("Verify DNS now? [y/N]: ")
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verifyChoice, _ := reader.ReadString('\n')
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verifyChoice = strings.TrimSpace(strings.ToLower(verifyChoice))
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if verifyChoice == "y" || verifyChoice == "yes" {
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verifyDNS(domain, cfg.FloatingIPs, reader)
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}
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// Save config
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if err := SaveConfig(cfg); err != nil {
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return fmt.Errorf("save config: %w", err)
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}
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fmt.Println()
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fmt.Println("Setup complete! Config saved to ~/.orama/sandbox.yaml")
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fmt.Println()
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fmt.Println("Next: orama sandbox create")
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return nil
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}
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// selectLocation fetches available Hetzner locations and lets the user pick one.
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func selectLocation(client *HetznerClient, reader *bufio.Reader) (string, error) {
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fmt.Println("Fetching available locations...")
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locations, err := client.ListLocations()
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if err != nil {
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return "", fmt.Errorf("list locations: %w", err)
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}
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sort.Slice(locations, func(i, j int) bool {
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return locations[i].Name < locations[j].Name
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})
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defaultLoc := "nbg1"
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fmt.Println(" Available datacenter locations:")
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for i, loc := range locations {
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def := ""
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if loc.Name == defaultLoc {
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def = " (default)"
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}
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fmt.Printf(" %d) %s — %s, %s%s\n", i+1, loc.Name, loc.City, loc.Country, def)
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}
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fmt.Printf("\n Select location [%s]: ", defaultLoc)
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choice, _ := reader.ReadString('\n')
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choice = strings.TrimSpace(choice)
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if choice == "" {
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fmt.Printf(" Using %s\n", defaultLoc)
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return defaultLoc, nil
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}
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// Try as number first
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if num, err := strconv.Atoi(choice); err == nil && num >= 1 && num <= len(locations) {
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loc := locations[num-1].Name
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fmt.Printf(" Using %s\n", loc)
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return loc, nil
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}
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// Try as location name
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for _, loc := range locations {
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if strings.EqualFold(loc.Name, choice) {
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fmt.Printf(" Using %s\n", loc.Name)
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return loc.Name, nil
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}
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}
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return "", fmt.Errorf("unknown location %q", choice)
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}
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// selectServerType fetches available server types for a location and lets the user pick one.
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func selectServerType(client *HetznerClient, reader *bufio.Reader, location string) (string, error) {
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fmt.Println("Fetching available server types...")
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serverTypes, err := client.ListServerTypes()
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if err != nil {
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return "", fmt.Errorf("list server types: %w", err)
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}
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// Filter to x86 shared-vCPU types available at the selected location, skip deprecated
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type option struct {
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name string
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cores int
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memory float64
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disk int
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hourly string
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monthly string
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}
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var options []option
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for _, st := range serverTypes {
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if st.Architecture != "x86" {
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continue
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}
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if st.Deprecation != nil {
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continue
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}
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// Only show shared-vCPU types (cx/cpx prefixes) — skip dedicated (ccx/cx5x)
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if !strings.HasPrefix(st.Name, "cx") && !strings.HasPrefix(st.Name, "cpx") {
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continue
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}
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// Find pricing for the selected location
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hourly, monthly := "", ""
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for _, p := range st.Prices {
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if p.Location == location {
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hourly = p.Hourly.Gross
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monthly = p.Monthly.Gross
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break
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}
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}
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if hourly == "" {
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continue // Not available in this location
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}
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options = append(options, option{
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name: st.Name,
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cores: st.Cores,
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memory: st.Memory,
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disk: st.Disk,
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hourly: hourly,
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monthly: monthly,
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})
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}
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if len(options) == 0 {
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return "", fmt.Errorf("no server types available in %s", location)
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}
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// Sort by hourly price (cheapest first)
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sort.Slice(options, func(i, j int) bool {
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pi, _ := strconv.ParseFloat(options[i].hourly, 64)
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pj, _ := strconv.ParseFloat(options[j].hourly, 64)
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return pi < pj
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})
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defaultType := options[0].name // cheapest
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fmt.Printf(" Available server types in %s:\n", location)
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for i, opt := range options {
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def := ""
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if opt.name == defaultType {
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def = " (default)"
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}
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fmt.Printf(" %d) %-8s %d vCPU / %4.0f GB RAM / %3d GB disk — €%s/hr (€%s/mo)%s\n",
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i+1, opt.name, opt.cores, opt.memory, opt.disk, formatPrice(opt.hourly), formatPrice(opt.monthly), def)
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}
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fmt.Printf("\n Select server type [%s]: ", defaultType)
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choice, _ := reader.ReadString('\n')
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choice = strings.TrimSpace(choice)
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if choice == "" {
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fmt.Printf(" Using %s (×5 nodes ≈ €%s/hr)\n", defaultType, multiplyPrice(options[0].hourly, 5))
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return defaultType, nil
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}
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// Try as number
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if num, err := strconv.Atoi(choice); err == nil && num >= 1 && num <= len(options) {
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opt := options[num-1]
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fmt.Printf(" Using %s (×5 nodes ≈ €%s/hr)\n", opt.name, multiplyPrice(opt.hourly, 5))
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return opt.name, nil
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}
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// Try as name
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for _, opt := range options {
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if strings.EqualFold(opt.name, choice) {
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fmt.Printf(" Using %s (×5 nodes ≈ €%s/hr)\n", opt.name, multiplyPrice(opt.hourly, 5))
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return opt.name, nil
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}
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}
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return "", fmt.Errorf("unknown server type %q", choice)
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}
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// formatPrice trims trailing zeros from a price string like "0.0063000000000000" → "0.0063".
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func formatPrice(price string) string {
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f, err := strconv.ParseFloat(price, 64)
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if err != nil {
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return price
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}
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// Use enough precision then trim trailing zeros
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s := fmt.Sprintf("%.4f", f)
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s = strings.TrimRight(s, "0")
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s = strings.TrimRight(s, ".")
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return s
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}
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// multiplyPrice multiplies a price string by n and returns formatted.
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func multiplyPrice(price string, n int) string {
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f, err := strconv.ParseFloat(price, 64)
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if err != nil {
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return "?"
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}
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return formatPrice(fmt.Sprintf("%.10f", f*float64(n)))
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}
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// setupFloatingIPs checks for existing floating IPs or creates new ones.
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func setupFloatingIPs(client *HetznerClient, location string) ([]FloatIP, error) {
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existing, err := client.ListFloatingIPsByLabel("orama-sandbox-dns=true")
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if err != nil {
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return nil, fmt.Errorf("list floating IPs: %w", err)
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}
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if len(existing) >= 2 {
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fmt.Printf(" Found %d existing floating IPs:\n", len(existing))
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result := make([]FloatIP, 2)
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for i := 0; i < 2; i++ {
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fmt.Printf(" ns%d: %s (ID: %d)\n", i+1, existing[i].IP, existing[i].ID)
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result[i] = FloatIP{ID: existing[i].ID, IP: existing[i].IP}
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}
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return result, nil
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}
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// Need to create missing floating IPs
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needed := 2 - len(existing)
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fmt.Printf(" Need to create %d floating IP(s)...\n", needed)
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reader := bufio.NewReader(os.Stdin)
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fmt.Printf(" Create %d floating IP(s) in %s? (~$0.005/hr each) [Y/n]: ", needed, location)
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choice, _ := reader.ReadString('\n')
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choice = strings.TrimSpace(strings.ToLower(choice))
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if choice == "n" || choice == "no" {
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return nil, fmt.Errorf("floating IPs required, aborting setup")
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}
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result := make([]FloatIP, 0, 2)
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for _, fip := range existing {
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result = append(result, FloatIP{ID: fip.ID, IP: fip.IP})
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}
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for i := len(existing); i < 2; i++ {
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desc := fmt.Sprintf("orama-sandbox-ns%d", i+1)
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labels := map[string]string{"orama-sandbox-dns": "true"}
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fip, err := client.CreateFloatingIP(location, desc, labels)
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if err != nil {
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return nil, fmt.Errorf("create floating IP %d: %w", i+1, err)
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}
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fmt.Printf(" Created ns%d: %s (ID: %d)\n", i+1, fip.IP, fip.ID)
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result = append(result, FloatIP{ID: fip.ID, IP: fip.IP})
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}
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return result, nil
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}
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// setupFirewall ensures a sandbox firewall exists.
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func setupFirewall(client *HetznerClient) (int64, error) {
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existing, err := client.ListFirewallsByLabel("orama-sandbox=infra")
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if err != nil {
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return 0, fmt.Errorf("list firewalls: %w", err)
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}
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if len(existing) > 0 {
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fmt.Printf(" Found existing firewall: %s (ID: %d)\n", existing[0].Name, existing[0].ID)
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return existing[0].ID, nil
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}
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fmt.Print(" Creating sandbox firewall... ")
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fw, err := client.CreateFirewall(
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"orama-sandbox",
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SandboxFirewallRules(),
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map[string]string{"orama-sandbox": "infra"},
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)
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if err != nil {
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fmt.Println("FAILED")
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return 0, fmt.Errorf("create firewall: %w", err)
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}
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fmt.Printf("OK (ID: %d)\n", fw.ID)
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return fw.ID, nil
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}
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// setupSSHKey generates an SSH keypair and uploads it to Hetzner.
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func setupSSHKey(client *HetznerClient) (SSHKeyConfig, error) {
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dir, err := configDir()
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if err != nil {
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return SSHKeyConfig{}, err
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}
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privPath := dir + "/sandbox_key"
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pubPath := privPath + ".pub"
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// Check for existing key
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if _, err := os.Stat(privPath); err == nil {
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fmt.Printf(" SSH key already exists: %s\n", privPath)
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// Read public key and check if it's on Hetzner
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pubData, err := os.ReadFile(pubPath)
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if err != nil {
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return SSHKeyConfig{}, fmt.Errorf("read public key: %w", err)
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}
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// Try to upload (will fail with uniqueness error if already exists)
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key, err := client.UploadSSHKey("orama-sandbox", strings.TrimSpace(string(pubData)))
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if err != nil {
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// Key already exists on Hetzner — find it by fingerprint
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sshPubKey, _, _, _, parseErr := ssh.ParseAuthorizedKey(pubData)
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if parseErr != nil {
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return SSHKeyConfig{}, fmt.Errorf("parse public key to find fingerprint: %w", parseErr)
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}
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fingerprint := ssh.FingerprintLegacyMD5(sshPubKey)
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existing, listErr := client.ListSSHKeysByFingerprint(fingerprint)
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if listErr == nil && len(existing) > 0 {
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fmt.Printf(" Found existing SSH key on Hetzner (ID: %d)\n", existing[0].ID)
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return SSHKeyConfig{
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HetznerID: existing[0].ID,
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PrivateKeyPath: "~/.orama/sandbox_key",
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PublicKeyPath: "~/.orama/sandbox_key.pub",
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}, nil
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}
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return SSHKeyConfig{}, fmt.Errorf("SSH key exists locally but could not find it on Hetzner (fingerprint: %s): %w", fingerprint, err)
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}
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fmt.Printf(" Uploaded to Hetzner (ID: %d)\n", key.ID)
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return SSHKeyConfig{
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HetznerID: key.ID,
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PrivateKeyPath: "~/.orama/sandbox_key",
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PublicKeyPath: "~/.orama/sandbox_key.pub",
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}, nil
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}
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// Generate new ed25519 keypair
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fmt.Print(" Generating ed25519 keypair... ")
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pubKey, privKey, err := ed25519.GenerateKey(rand.Reader)
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if err != nil {
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fmt.Println("FAILED")
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return SSHKeyConfig{}, fmt.Errorf("generate key: %w", err)
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}
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// Marshal private key to OpenSSH format
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pemBlock, err := ssh.MarshalPrivateKey(privKey, "")
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if err != nil {
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fmt.Println("FAILED")
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return SSHKeyConfig{}, fmt.Errorf("marshal private key: %w", err)
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}
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privPEM := pem.EncodeToMemory(pemBlock)
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if err := os.WriteFile(privPath, privPEM, 0600); err != nil {
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fmt.Println("FAILED")
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return SSHKeyConfig{}, fmt.Errorf("write private key: %w", err)
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}
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// Marshal public key to authorized_keys format
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sshPubKey, err := ssh.NewPublicKey(pubKey)
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if err != nil {
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return SSHKeyConfig{}, fmt.Errorf("convert public key: %w", err)
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}
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pubStr := strings.TrimSpace(string(ssh.MarshalAuthorizedKey(sshPubKey)))
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if err := os.WriteFile(pubPath, []byte(pubStr+"\n"), 0644); err != nil {
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return SSHKeyConfig{}, fmt.Errorf("write public key: %w", err)
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}
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fmt.Println("OK")
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// Upload to Hetzner
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fmt.Print(" Uploading to Hetzner... ")
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key, err := client.UploadSSHKey("orama-sandbox", pubStr)
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if err != nil {
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fmt.Println("FAILED")
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return SSHKeyConfig{}, fmt.Errorf("upload SSH key: %w", err)
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}
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fmt.Printf("OK (ID: %d)\n", key.ID)
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return SSHKeyConfig{
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HetznerID: key.ID,
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PrivateKeyPath: "~/.orama/sandbox_key",
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PublicKeyPath: "~/.orama/sandbox_key.pub",
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}, nil
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}
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// verifyDNS checks if glue records for the sandbox domain are configured.
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//
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// There's a chicken-and-egg problem: NS records can't fully resolve until
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// CoreDNS is running on the floating IPs (which requires a sandbox cluster).
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// So instead of resolving NS → A records, we check for glue records at the
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// TLD level, which proves the registrar configuration is correct.
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func verifyDNS(domain string, floatingIPs []FloatIP, reader *bufio.Reader) {
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expectedIPs := make(map[string]bool)
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for _, fip := range floatingIPs {
|
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expectedIPs[fip.IP] = true
|
||
}
|
||
|
||
// Find the TLD nameserver to query for glue records
|
||
findTLDServer := func() string {
|
||
// For "dbrs.space", the TLD is "space." — ask the root for its NS
|
||
parts := strings.Split(domain, ".")
|
||
if len(parts) < 2 {
|
||
return ""
|
||
}
|
||
tld := parts[len(parts)-1]
|
||
out, err := exec.Command("dig", "+short", "NS", tld+".", "@8.8.8.8").Output()
|
||
if err != nil {
|
||
return ""
|
||
}
|
||
lines := strings.Split(strings.TrimSpace(string(out)), "\n")
|
||
if len(lines) > 0 && lines[0] != "" {
|
||
return strings.TrimSpace(lines[0])
|
||
}
|
||
return ""
|
||
}
|
||
|
||
check := func() (glueFound bool, foundIPs []string) {
|
||
tldNS := findTLDServer()
|
||
if tldNS == "" {
|
||
return false, nil
|
||
}
|
||
|
||
// Query the TLD nameserver for NS + glue of our domain
|
||
// dig NS domain @tld-server will include glue in ADDITIONAL section
|
||
out, err := exec.Command("dig", "NS", domain, "@"+tldNS, "+norecurse", "+additional").Output()
|
||
if err != nil {
|
||
return false, nil
|
||
}
|
||
|
||
output := string(out)
|
||
remaining := make(map[string]bool)
|
||
for k, v := range expectedIPs {
|
||
remaining[k] = v
|
||
}
|
||
|
||
// Look for our floating IPs in the ADDITIONAL section (glue records)
|
||
// or anywhere in the response
|
||
for _, fip := range floatingIPs {
|
||
if strings.Contains(output, fip.IP) {
|
||
foundIPs = append(foundIPs, fip.IP)
|
||
delete(remaining, fip.IP)
|
||
}
|
||
}
|
||
|
||
return len(remaining) == 0, foundIPs
|
||
}
|
||
|
||
fmt.Printf(" Checking glue records for %s at TLD nameserver...\n", domain)
|
||
matched, foundIPs := check()
|
||
|
||
if matched {
|
||
fmt.Println(" ✓ Glue records configured correctly:")
|
||
for i, ip := range foundIPs {
|
||
fmt.Printf(" ns%d.%s → %s\n", i+1, domain, ip)
|
||
}
|
||
fmt.Println()
|
||
fmt.Println(" Note: Full DNS resolution will work once a sandbox is running")
|
||
fmt.Println(" (CoreDNS on the floating IPs needs to be up to answer queries).")
|
||
return
|
||
}
|
||
|
||
if len(foundIPs) > 0 {
|
||
fmt.Println(" ⚠ Partial glue records found:")
|
||
for _, ip := range foundIPs {
|
||
fmt.Printf(" %s\n", ip)
|
||
}
|
||
fmt.Println(" Missing floating IPs in glue:")
|
||
for _, fip := range floatingIPs {
|
||
if expectedIPs[fip.IP] {
|
||
fmt.Printf(" %s\n", fip.IP)
|
||
}
|
||
}
|
||
} else {
|
||
fmt.Println(" ✗ No glue records found yet.")
|
||
fmt.Println(" Make sure you configured at your registrar:")
|
||
fmt.Printf(" ns1.%s → %s\n", domain, floatingIPs[0].IP)
|
||
fmt.Printf(" ns2.%s → %s\n", domain, floatingIPs[1].IP)
|
||
}
|
||
|
||
fmt.Println()
|
||
fmt.Print(" Wait for glue propagation? (polls every 30s, Ctrl+C to stop) [y/N]: ")
|
||
choice, _ := reader.ReadString('\n')
|
||
choice = strings.TrimSpace(strings.ToLower(choice))
|
||
if choice != "y" && choice != "yes" {
|
||
fmt.Println(" Skipping. You can create the sandbox now — DNS will work once glue propagates.")
|
||
return
|
||
}
|
||
|
||
fmt.Println(" Waiting for glue record propagation...")
|
||
for i := 1; ; i++ {
|
||
time.Sleep(30 * time.Second)
|
||
matched, _ = check()
|
||
if matched {
|
||
fmt.Printf("\n ✓ Glue records propagated after %d checks\n", i)
|
||
fmt.Println(" You can now create a sandbox: orama sandbox create")
|
||
return
|
||
}
|
||
fmt.Printf(" [%d] Not yet... checking again in 30s\n", i)
|
||
}
|
||
}
|