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client.go
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client.go
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package redis
import (
"time"
"gopkg.in/redis.v3"
)
//ProvisionerRedis provides the definition of redis provisioner
type ProvisionerRedis struct {
RedisClient *redis.Client
}
//New creates a new redis Provisioner and returns it or an error if it fails
func New(address string, password string, db int64) (Provisioner, error) {
provisioner := ProvisionerRedis{}
provisioner.RedisClient = redis.NewClient(&redis.Options{
Addr: address,
Password: password,
DB: db,
})
_, err := provisioner.RedisClient.Ping().Result()
if err != nil {
return nil, err
}
return provisioner, nil
}
//GetValue gets the value corresponding to the passed key from redis
func (e ProvisionerRedis) GetValue(key string) (string, error) {
value, err := e.RedisClient.Get(key).Result()
if err != nil {
return "", err
}
return value, nil
}
//SetKV sets the value corresponding to the passed key in redis
func (e ProvisionerRedis) SetKV(key string, value string, expiration time.Duration) error {
_, err := e.RedisClient.Set(key, value, expiration).Result()
return err
}
//KeyExists checks if the passed key exists already in redis
func (e ProvisionerRedis) KeyExists(key string) (bool, error) {
exists, err := e.RedisClient.Exists(key).Result()
if err != nil {
return false, err
}
return exists, nil
}
//RemoveKey removes the passed key from redis
func (e ProvisionerRedis) RemoveKey(key string) (bool, error) {
_, err := e.RedisClient.Del(key).Result()
if err != nil {
return false, err
}
return true, nil
}