Move data to store

This commit is contained in:
Asim Aslam 2019-06-12 07:48:31 +01:00 committed by Vasiliy Tolstov
commit e3311a768f

88
redis.go Normal file
View File

@ -0,0 +1,88 @@
package redis
import (
"github.com/micro/go-micro/options"
"github.com/micro/go-micro/store"
redis "gopkg.in/redis.v3"
)
type rkv struct {
options.Options
Client *redis.Client
}
func (r *rkv) Read(key string) (*store.Record, error) {
val, err := r.Client.Get(key).Bytes()
if err != nil && err == redis.Nil {
return nil, store.ErrNotFound
} else if err != nil {
return nil, err
}
if val == nil {
return nil, store.ErrNotFound
}
d, err := r.Client.TTL(key).Result()
if err != nil {
return nil, err
}
return &store.Record{
Key: key,
Value: val,
Expiry: d,
}, nil
}
func (r *rkv) Delete(key string) error {
return r.Client.Del(key).Err()
}
func (r *rkv) Write(record *store.Record) error {
return r.Client.Set(record.Key, record.Value, record.Expiry).Err()
}
func (r *rkv) Dump() ([]*store.Record, error) {
keys, err := r.Client.Keys("*").Result()
if err != nil {
return nil, err
}
var vals []*store.Record
for _, k := range keys {
i, err := r.Read(k)
if err != nil {
return nil, err
}
vals = append(vals, i)
}
return vals, nil
}
func (r *rkv) String() string {
return "redis"
}
func NewStore(opts ...options.Option) store.Store {
options := options.NewOptions(opts...)
var nodes []string
if n, ok := options.Values().Get("store.nodes"); ok {
nodes = n.([]string)
}
if len(nodes) == 0 {
nodes = []string{"127.0.0.1:6379"}
}
return &rkv{
Options: options,
Client: redis.NewClient(&redis.Options{
Addr: nodes[0],
Password: "", // no password set
DB: 0, // use default DB
}),
}
}