81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
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package config
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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// Config is the env/flag-driven runtime configuration shared by the
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// message-plane server and the queue-operator (design.md §10).
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type Config struct {
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KafkaBrokers []string
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RedisAddr string
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RedisPassword string
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RedisDB int
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AuthentikIssuerURL string
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AuthentikAudience string
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GRPCListenAddr string
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HTTPListenAddr string
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MaxMessageBodyBytes int
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DedupWindowSeconds int
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}
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// Load reads configuration from environment variables, applying the
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// defaults documented in design.md.
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func Load() (*Config, error) {
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cfg := &Config{
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KafkaBrokers: splitCSV(getEnv("KMSVC_KAFKA_BROKERS", "localhost:9092")),
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RedisAddr: getEnv("KMSVC_REDIS_ADDR", "localhost:6379"),
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RedisPassword: os.Getenv("KMSVC_REDIS_PASSWORD"),
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AuthentikIssuerURL: os.Getenv("KMSVC_AUTHENTIK_ISSUER_URL"),
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AuthentikAudience: os.Getenv("KMSVC_AUTHENTIK_AUDIENCE"),
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GRPCListenAddr: getEnv("KMSVC_GRPC_LISTEN_ADDR", ":9090"),
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HTTPListenAddr: getEnv("KMSVC_HTTP_LISTEN_ADDR", ":8080"),
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MaxMessageBodyBytes: 256 * 1024, // 256KB cap, design.md §6
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DedupWindowSeconds: 300, // 5 minutes, design.md §4
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}
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if v := os.Getenv("KMSVC_REDIS_DB"); v != "" {
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n, err := strconv.Atoi(v)
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if err != nil {
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return nil, fmt.Errorf("invalid KMSVC_REDIS_DB: %w", err)
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}
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cfg.RedisDB = n
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}
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if cfg.AuthentikIssuerURL == "" {
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return nil, fmt.Errorf("KMSVC_AUTHENTIK_ISSUER_URL is required")
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}
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if cfg.AuthentikAudience == "" {
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return nil, fmt.Errorf("KMSVC_AUTHENTIK_AUDIENCE is required")
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}
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return cfg, nil
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}
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func getEnv(key, def string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return def
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}
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func splitCSV(s string) []string {
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parts := strings.Split(s, ",")
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out := make([]string, 0, len(parts))
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for _, p := range parts {
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p = strings.TrimSpace(p)
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if p != "" {
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out = append(out, p)
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}
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}
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return out
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}
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