network/cmd/gateway/config.go

125 lines
3.3 KiB
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/DeBrosOfficial/network/pkg/config"
"github.com/DeBrosOfficial/network/pkg/gateway"
"github.com/DeBrosOfficial/network/pkg/logging"
"go.uber.org/zap"
)
// For transition, alias main.GatewayConfig to pkg/gateway.Config
// server.go will be removed; this keeps compatibility until then.
type GatewayConfig = gateway.Config
func getEnvDefault(key, def string) string {
if v := os.Getenv(key); strings.TrimSpace(v) != "" {
return v
}
return def
}
func getEnvBoolDefault(key string, def bool) bool {
v := strings.TrimSpace(os.Getenv(key))
if v == "" {
return def
}
switch strings.ToLower(v) {
case "1", "true", "t", "yes", "y", "on":
return true
case "0", "false", "f", "no", "n", "off":
return false
default:
return def
}
}
// parseGatewayConfig loads gateway.yaml from ~/.debros exclusively.
func parseGatewayConfig(logger *logging.ColoredLogger) *gateway.Config {
// Determine config path
configPath, err := config.DefaultPath("gateway.yaml")
if err != nil {
logger.ComponentError(logging.ComponentGeneral, "Failed to determine config path", zap.Error(err))
fmt.Fprintf(os.Stderr, "Configuration error: %v\n", err)
os.Exit(1)
}
// Load YAML
type yamlCfg struct {
ListenAddr string `yaml:"listen_addr"`
ClientNamespace string `yaml:"client_namespace"`
RQLiteDSN string `yaml:"rqlite_dsn"`
BootstrapPeers []string `yaml:"bootstrap_peers"`
}
data, err := os.ReadFile(configPath)
if err != nil {
logger.ComponentError(logging.ComponentGeneral, "Config file not found",
zap.String("path", configPath),
zap.Error(err))
fmt.Fprintf(os.Stderr, "\nConfig file not found at %s\n", configPath)
fmt.Fprintf(os.Stderr, "Generate it using: network-cli config init --type gateway\n")
os.Exit(1)
}
var y yamlCfg
// Use strict YAML decoding to reject unknown fields
if err := config.DecodeStrict(strings.NewReader(string(data)), &y); err != nil {
logger.ComponentError(logging.ComponentGeneral, "Failed to parse gateway config", zap.Error(err))
fmt.Fprintf(os.Stderr, "Configuration parse error: %v\n", err)
os.Exit(1)
}
// Build config from YAML
cfg := &gateway.Config{
ListenAddr: ":6001",
ClientNamespace: "default",
BootstrapPeers: nil,
RQLiteDSN: "",
}
if v := strings.TrimSpace(y.ListenAddr); v != "" {
cfg.ListenAddr = v
}
if v := strings.TrimSpace(y.ClientNamespace); v != "" {
cfg.ClientNamespace = v
}
if v := strings.TrimSpace(y.RQLiteDSN); v != "" {
cfg.RQLiteDSN = v
}
if len(y.BootstrapPeers) > 0 {
var bp []string
for _, p := range y.BootstrapPeers {
p = strings.TrimSpace(p)
if p != "" {
bp = append(bp, p)
}
}
if len(bp) > 0 {
cfg.BootstrapPeers = bp
}
}
// Validate configuration
if errs := cfg.ValidateConfig(); len(errs) > 0 {
fmt.Fprintf(os.Stderr, "\nGateway configuration errors (%d):\n", len(errs))
for _, err := range errs {
fmt.Fprintf(os.Stderr, " - %s\n", err)
}
fmt.Fprintf(os.Stderr, "\nPlease fix the configuration and try again.\n")
os.Exit(1)
}
logger.ComponentInfo(logging.ComponentGeneral, "Loaded gateway configuration from YAML",
zap.String("path", configPath),
zap.String("addr", cfg.ListenAddr),
zap.String("namespace", cfg.ClientNamespace),
zap.Int("bootstrap_peer_count", len(cfg.BootstrapPeers)),
)
return cfg
}