Add redis support for distributed caching (#83)

* Add redis support for distributed caching * Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * fixup! Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * fixup! fixup! Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * fixup! fixup! fixup! Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * fixup! fixup! fixup! fixup! Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * fixup! fixup! fixup! fixup! fixup! Move towards the self-provided Redis connection pool and RESP protocol implementation. Official redis client library won't work with yaegi. * ... and another all nighter. * fixup! ... and another all nighter. * fixup! fixup! ... and another all nighter. * fixup! fixup! fixup! ... and another all nighter. * Resolve issue #85 by adding ability to set custom claims in JWT tokens * Remove redundant validation in auth middleware ( issue #89 ) * Add ability to set cookie prefix for session cookies ( #87 ) * fixup! Add ability to set cookie prefix for session cookies ( #87 ) * Add ability to set cookie max age - issue #91 * Potential fix for code scanning alert no. 10: Size computation for allocation may overflow Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com> * fixup! Merge main into 0.8.0-redis: resolve conflicts --------- Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
2026-10-14 04:07:46 +00:00 · 2025-11-30 02:18:46 +00:00
parent 5fcbd54955
commit e64fc7f730
318 changed files with 100989 additions and 948 deletions
@@ -0,0 +1,90 @@
+package backends
+
+import "time"
+
+// BackendType represents the type of cache backend
+type BackendType string
+
+const (
+	BackendTypeMemory BackendType = "memory"
+	BackendTypeRedis  BackendType = "redis"
+	BackendTypeHybrid BackendType = "hybrid"
+
+	// Aliases for backward compatibility
+	TypeMemory BackendType = "memory"
+	TypeRedis  BackendType = "redis"
+	TypeHybrid BackendType = "hybrid"
+)
+
+// Config provides common configuration for cache backends
+type Config struct {
+	// Type specifies the backend type
+	Type BackendType
+
+	// Memory backend settings
+	MaxSize         int
+	MaxMemoryBytes  int64
+	CleanupInterval time.Duration
+
+	// Redis backend settings
+	RedisAddr     string
+	RedisPassword string
+	RedisDB       int
+	RedisPrefix   string
+	PoolSize      int
+
+	// Hybrid backend settings
+	L1Config    *Config // Memory cache (L1)
+	L2Config    *Config // Redis cache (L2)
+	AsyncWrites bool    // Write to L2 asynchronously
+
+	// Resilience settings
+	EnableCircuitBreaker bool
+	EnableHealthCheck    bool
+	HealthCheckInterval  time.Duration
+
+	// Metrics
+	EnableMetrics bool
+}
+
+// DefaultConfig returns a default configuration for in-memory caching
+func DefaultConfig() *Config {
+	return &Config{
+		Type:            BackendTypeMemory,
+		MaxSize:         1000,
+		MaxMemoryBytes:  50 * 1024 * 1024, // 50MB
+		CleanupInterval: 5 * time.Minute,
+		EnableMetrics:   true,
+	}
+}
+
+// DefaultRedisConfig returns a default configuration for Redis caching
+func DefaultRedisConfig(addr string) *Config {
+	return &Config{
+		Type:                 BackendTypeRedis,
+		RedisAddr:            addr,
+		RedisDB:              0,
+		RedisPrefix:          "traefikoidc:",
+		PoolSize:             10,
+		EnableCircuitBreaker: true,
+		EnableHealthCheck:    true,
+		HealthCheckInterval:  30 * time.Second,
+		EnableMetrics:        true,
+	}
+}
+
+// DefaultHybridConfig returns a default configuration for hybrid caching
+func DefaultHybridConfig(redisAddr string) *Config {
+	return &Config{
+		Type: BackendTypeHybrid,
+		L1Config: &Config{
+			Type:            BackendTypeMemory,
+			MaxSize:         500,
+			MaxMemoryBytes:  10 * 1024 * 1024, // 10MB for L1
+			CleanupInterval: 1 * time.Minute,
+		},
+		L2Config:      DefaultRedisConfig(redisAddr),
+		AsyncWrites:   true,
+		EnableMetrics: true,
+	}
+}