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2. server config to contain before shutdown function for cleanup 3. duplicate log during panic in middleware 4. take context for server shutdown & perform shut down functions if available 5. go dependency updates in go.mod with related go.sum entries
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| @@ -0,0 +1,15 @@ | ||
| package cache | ||
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| import ( | ||
| "context" | ||
| "time" | ||
| ) | ||
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| //go:generate mockgen --destination=./mocks/mock_cache.go --package=mocks github.com/PereRohit/util/cache Cacheable | ||
| type Cacheable interface { | ||
| Health() error | ||
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| Set(ctx context.Context, key string, value interface{}, expiry time.Duration) error | ||
| Get(ctx context.Context, key string) ([]byte, error) | ||
| Delete(ctx context.Context, key string) error | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,84 @@ | ||
| package cache | ||
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| import ( | ||
| "context" | ||
| "time" | ||
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| "github.com/go-redis/redis/v8" | ||
| ) | ||
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| type redisCache struct { | ||
| rdbCli redis.Cmdable | ||
| cfg *redis.Options | ||
| } | ||
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| type RedisConfig struct { | ||
| // host:port address. | ||
| Address string `json:"address,omitempty"` | ||
| // Use the specified Username to authenticate the current connection | ||
| Username string `json:"username,omitempty"` | ||
| // Optional password. | ||
| Password string `json:"password,omitempty"` | ||
| // Database to be selected after connecting to the server. | ||
| DB int `json:"db,omitempty"` | ||
| // Maximum number of retries before giving up. | ||
| // Default is 3 retries; -1 (not 0) disables retries. | ||
| MaxRetries int `json:"max_retries,omitempty"` | ||
| // Minimum backoff between each retry. | ||
| // Default is 8 milliseconds; -1 disables backoff. | ||
| MinRetryBackoff time.Duration `json:"min_retry_backoff,omitempty"` | ||
| // Maximum backoff between each retry. | ||
| // Default is 512 milliseconds; -1 disables backoff. | ||
| MaxRetryBackoff time.Duration `json:"max_retry_backoff,omitempty"` | ||
| // Dial timeout for establishing new connections. | ||
| // Default is 5 seconds. | ||
| DialTimeout time.Duration `json:"dial_timeout,omitempty"` | ||
| // Type of connection pool. | ||
| // true for FIFO pool, false for LIFO pool. | ||
| // Note that fifo has higher overhead compared to lifo. | ||
| PoolFIFO bool `json:"pool_fifo,omitempty"` | ||
| // Maximum number of socket connections. | ||
| // Default is 10 connections per every available CPU as reported by runtime.GOMAXPROCS. | ||
| PoolSize int `json:"pool_size,omitempty"` | ||
| // Amount of time client waits for connection if all connections | ||
| // are busy before returning an error. | ||
| PoolTimeout time.Duration `json:"pool_timeout,omitempty"` | ||
| } | ||
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| func NewRedis(cfg *RedisConfig) Cacheable { | ||
| redisCfg := &redis.Options{ | ||
| Addr: cfg.Address, | ||
| Username: cfg.Username, | ||
| Password: cfg.Password, | ||
| DB: cfg.DB, | ||
| MaxRetries: cfg.MaxRetries, | ||
| MinRetryBackoff: cfg.MinRetryBackoff, | ||
| MaxRetryBackoff: cfg.MaxRetryBackoff, | ||
| DialTimeout: cfg.DialTimeout, | ||
| //PoolFIFO: false, | ||
| PoolSize: cfg.PoolSize, | ||
| PoolTimeout: cfg.PoolTimeout, | ||
| } | ||
| rdbCli := redis.NewClient(redisCfg) | ||
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| return &redisCache{ | ||
| cfg: redisCfg, | ||
| rdbCli: rdbCli, | ||
| } | ||
| } | ||
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| func (r redisCache) Health() error { | ||
| return r.rdbCli.Ping(context.Background()).Err() | ||
| } | ||
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| func (r redisCache) Set(ctx context.Context, key string, value interface{}, expiry time.Duration) error { | ||
| return r.rdbCli.Set(ctx, key, value, expiry).Err() | ||
| } | ||
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| func (r redisCache) Get(ctx context.Context, key string) ([]byte, error) { | ||
| return r.rdbCli.Get(ctx, key).Bytes() | ||
| } | ||
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| func (r redisCache) Delete(ctx context.Context, key string) error { | ||
| return r.rdbCli.Del(ctx, key).Err() | ||
| } |
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