ntfy-alertmanager/cache/cache.go

// Package cache includes a memory cache for ntfy-alertmanager.
package cache

import (
	"context"
	"fmt"
	"strings"

	"git.xenrox.net/~xenrox/ntfy-alertmanager/config"
)

// Cache is the interface that describes a cache for ntfy-alertmanager.
type Cache interface {
	Set(ctx context.Context, fingerprint string, status string) error
	Contains(ctx context.Context, fingerprint string, status string) (bool, error)
	Cleanup()
}

// NewCache reads the cache configuration cfg and creates the cache.
func NewCache(ctx context.Context, cfg config.CacheConfig) (Cache, error) {
	switch strings.ToLower(cfg.Type) {
	case "memory":
		return NewMemoryCache(cfg.Duration), nil
	case "redis":
		return NewRedisCache(ctx, cfg.RedisURL, cfg.Duration)
	case "disabled":
		return NewDisabledCache()
	default:
		return nil, fmt.Errorf("illegal type %q", cfg.Type)
	}
}