Franz Kafka
94322ceff4
- Add internal/cache package using go-redis/v9 (Valkey-compatible) - Cache keys are deterministic SHA-256 hashes of search parameters - Cache wraps the Search() method: check cache → miss → execute → store - Gracefully disabled if Valkey is unreachable or unconfigured - Configurable TTL (default 5m), address, password, and DB index - Environment variable overrides: VALKEY_ADDRESS, VALKEY_PASSWORD, VALKEY_DB, VALKEY_CACHE_TTL - Structured JSON logging via slog throughout cache layer - Refactored service.go: extract executeSearch() from Search() for clarity - Update config.example.toml with [cache] section - Add cache package tests (key generation, nop behavior)
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"log/slog"
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"net/http"
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"os"
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"github.com/ashie/gosearch/internal/cache"
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"github.com/ashie/gosearch/internal/config"
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"github.com/ashie/gosearch/internal/httpapi"
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"github.com/ashie/gosearch/internal/search"
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)
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func main() {
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configPath := flag.String("config", "config.toml", "path to config.toml")
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flag.Parse()
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// Initialize structured logging.
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logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
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slog.SetDefault(logger)
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cfg, err := config.Load(*configPath)
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if err != nil {
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log.Fatalf("failed to load config: %v", err)
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}
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// Initialize Valkey cache.
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searchCache := cache.New(cache.Config{
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Address: cfg.Cache.Address,
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Password: cfg.Cache.Password,
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DB: cfg.Cache.DB,
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DefaultTTL: cfg.CacheTTL(),
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}, logger)
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defer searchCache.Close()
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// Seed env vars from config so existing engine/factory/planner code
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// picks them up without changes. The config layer is the single source
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// of truth; env vars remain as overrides via applyEnvOverrides.
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if len(cfg.Engines.LocalPorted) > 0 {
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os.Setenv("LOCAL_PORTED_ENGINES", cfg.LocalPortedCSV())
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}
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if cfg.Engines.Brave.APIKey != "" {
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os.Setenv("BRAVE_API_KEY", cfg.Engines.Brave.APIKey)
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}
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if cfg.Engines.Brave.AccessToken != "" {
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os.Setenv("BRAVE_ACCESS_TOKEN", cfg.Engines.Brave.AccessToken)
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}
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svc := search.NewService(search.ServiceConfig{
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UpstreamURL: cfg.Upstream.URL,
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HTTPTimeout: cfg.HTTPTimeout(),
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Cache: searchCache,
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})
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h := httpapi.NewHandler(svc)
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mux := http.NewServeMux()
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mux.HandleFunc("/healthz", h.Healthz)
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mux.HandleFunc("/search", h.Search)
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addr := fmt.Sprintf(":%d", cfg.Server.Port)
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logger.Info("searxng-go starting", "addr", addr, "cache", searchCache.Enabled())
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log.Fatal(http.ListenAndServe(addr, mux))
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}
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