cache

Documentation

Overview

Package cache contains facilities for caching immutable files, typically for a cloud object store.

Index

• type Cacheable
• type Kind
  • func (k *Kind) Set(s string) error
  • func (k Kind) String() string
• type LocalCache
  • func NewLocalCache(engine storage.Engine, cacheable Cacheable, size int, ...) (*LocalCache, error)
  • func (c *LocalCache) Get(ctx context.Context, u *storage.URI) (storage.Reader, error)
• type RedisCache
  • func NewRedisCache(engine storage.Engine, client *redis.Client, cacheable Cacheable, ...) *RedisCache
  • func (c *RedisCache) Get(ctx context.Context, u *storage.URI) (storage.Reader, error)

Types

type Cacheable

type Cacheable func(*storage.URI) bool

type Kind

type Kind string

const (
	KindNone  Kind = "none"
	KindLocal Kind = "local"
	KindRedis Kind = "redis"
)

func (*Kind) Set

func (k *Kind) Set(s string) error

func (Kind) String

func (k Kind) String() string

type LocalCache

type LocalCache struct {
	storage.Engine
	// contains filtered or unexported fields
}

func NewLocalCache

func NewLocalCache(engine storage.Engine, cacheable Cacheable, size int, registerer prometheus.Registerer) (*LocalCache, error)

func (*LocalCache) Get

func (c *LocalCache) Get(ctx context.Context, u *storage.URI) (storage.Reader, error)

type RedisCache

type RedisCache struct {
	storage.Engine
	// contains filtered or unexported fields
}

func NewRedisCache

func NewRedisCache(engine storage.Engine, client *redis.Client, cacheable Cacheable, expiration time.Duration, reg prometheus.Registerer) *RedisCache

func (*RedisCache) Get

func (c *RedisCache) Get(ctx context.Context, u *storage.URI) (storage.Reader, error)