Files
kubesphere/pkg/simple/client/cache/redis.go
zryfish 641615b299 This is a huge commit, it does following things: (#1942)
1. Remove ks-iam standalone binary, move it to ks-apiserver
2. Generate all devops apis inside kubesphere repository, no need to
import s2ioperator.
3. Reorganize ldap code, make it more flexible to use.
2020-03-10 13:50:17 +08:00

93 lines
2.0 KiB
Go

/*
Copyright 2019 The KubeSphere Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cache
import (
"github.com/go-redis/redis"
"k8s.io/klog"
"time"
)
type Client struct {
client *redis.Client
}
func NewRedisClient(option *Options, stopCh <-chan struct{}) (Interface, error) {
var r Client
options, err := redis.ParseURL(option.RedisURL)
if err != nil {
klog.Error(err)
return nil, err
}
if stopCh == nil {
klog.Warningf("no stop signal passed, may cause redis connections leaked")
}
r.client = redis.NewClient(options)
if err := r.client.Ping().Err(); err != nil {
klog.Error("unable to reach redis host", err)
r.client.Close()
return nil, err
}
// close redis in case of connection leak
if stopCh != nil {
go func() {
<-stopCh
if err := r.client.Close(); err != nil {
klog.Error(err)
}
}()
}
return &r, nil
}
func (r *Client) Get(key string) (string, error) {
return r.client.Get(key).Result()
}
func (r *Client) Keys(pattern string) ([]string, error) {
return r.client.Keys(pattern).Result()
}
func (r *Client) Set(key string, value string, duration time.Duration) error {
return r.client.Set(key, value, duration).Err()
}
func (r *Client) Del(keys ...string) error {
return r.client.Del(keys...).Err()
}
func (r *Client) Exists(keys ...string) (bool, error) {
existedKeys, err := r.client.Exists(keys...).Result()
if err != nil {
return false, err
}
return len(keys) == int(existedKeys), nil
}
func (r *Client) Expire(key string, duration time.Duration) error {
return r.client.Expire(key, duration).Err()
}