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Allow common redis and leveldb connections (#12385)

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* Allow common redis and leveldb connections

Prevents multiple reopening of redis and leveldb connections to the same
place by sharing connections.

Further allows for more configurable redis connection type using the
redisURI and a leveldbURI scheme.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* add unit-test

Signed-off-by: Andrew Thornton <art27@cantab.net>

* as per @lunny

Signed-off-by: Andrew Thornton <art27@cantab.net>

* add test

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Update modules/cache/cache_redis.go

* Update modules/queue/queue_disk.go

* Update modules/cache/cache_redis.go

* Update modules/cache/cache_redis.go

* Update modules/queue/unique_queue_disk.go

* Update modules/queue/queue_disk.go

* Update modules/queue/unique_queue_disk.go

* Update modules/session/redis.go

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
zeripath 2020-09-27 22:09:46 +01:00 • committed by GitHub
parent f404bdde9b
commit 7f8e3192cd
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GPG key ID: 4AEE18F83AFDEB23
71 changed files with 4927 additions and 3138 deletions
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178
vendor/gitea.com/macaron/cache/redis/redis.go generated vendored
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@ -1,178 +0,0 @@
// Copyright 2013 Beego Authors
// Copyright 2014 The Macaron 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 (
"fmt"
"strings"
"time"
"github.com/go-redis/redis"
"github.com/unknwon/com"
"gopkg.in/ini.v1"
"gitea.com/macaron/cache"
)
// RedisCacher represents a redis cache adapter implementation.
type RedisCacher struct {
c *redis.Client
prefix string
hsetName string
occupyMode bool
}
// Put puts value into cache with key and expire time.
// If expired is 0, it lives forever.
func (c *RedisCacher) Put(key string, val interface{}, expire int64) error {
key = c.prefix + key
if expire == 0 {
if err := c.c.Set(key, com.ToStr(val), 0).Err(); err != nil {
return err
}
} else {
dur, err := time.ParseDuration(com.ToStr(expire) + "s")
if err != nil {
return err
}
if err = c.c.Set(key, com.ToStr(val), dur).Err(); err != nil {
return err
}
}
if c.occupyMode {
return nil
}
return c.c.HSet(c.hsetName, key, "0").Err()
}
// Get gets cached value by given key.
func (c *RedisCacher) Get(key string) interface{} {
val, err := c.c.Get(c.prefix + key).Result()
if err != nil {
return nil
}
return val
}
// Delete deletes cached value by given key.
func (c *RedisCacher) Delete(key string) error {
key = c.prefix + key
if err := c.c.Del(key).Err(); err != nil {
return err
}
if c.occupyMode {
return nil
}
return c.c.HDel(c.hsetName, key).Err()
}
// Incr increases cached int-type value by given key as a counter.
func (c *RedisCacher) Incr(key string) error {
if !c.IsExist(key) {
return fmt.Errorf("key '%s' not exist", key)
}
return c.c.Incr(c.prefix + key).Err()
}
// Decr decreases cached int-type value by given key as a counter.
func (c *RedisCacher) Decr(key string) error {
if !c.IsExist(key) {
return fmt.Errorf("key '%s' not exist", key)
}
return c.c.Decr(c.prefix + key).Err()
}
// IsExist returns true if cached value exists.
func (c *RedisCacher) IsExist(key string) bool {
if c.c.Exists(c.prefix+key).Val() == 1 {
return true
}
if !c.occupyMode {
c.c.HDel(c.hsetName, c.prefix+key)
}
return false
}
// Flush deletes all cached data.
func (c *RedisCacher) Flush() error {
if c.occupyMode {
return c.c.FlushDb().Err()
}
keys, err := c.c.HKeys(c.hsetName).Result()
if err != nil {
return err
}
if err = c.c.Del(keys...).Err(); err != nil {
return err
}
return c.c.Del(c.hsetName).Err()
}
// StartAndGC starts GC routine based on config string settings.
// AdapterConfig: network=tcp,addr=:6379,password=macaron,db=0,pool_size=100,idle_timeout=180,hset_name=MacaronCache,prefix=cache:
func (c *RedisCacher) StartAndGC(opts cache.Options) error {
c.hsetName = "MacaronCache"
c.occupyMode = opts.OccupyMode
cfg, err := ini.Load([]byte(strings.Replace(opts.AdapterConfig, ",", "\n", -1)))
if err != nil {
return err
}
opt := &redis.Options{
Network: "tcp",
}
for k, v := range cfg.Section("").KeysHash() {
switch k {
case "network":
opt.Network = v
case "addr":
opt.Addr = v
case "password":
opt.Password = v
case "db":
opt.DB = com.StrTo(v).MustInt()
case "pool_size":
opt.PoolSize = com.StrTo(v).MustInt()
case "idle_timeout":
opt.IdleTimeout, err = time.ParseDuration(v + "s")
if err != nil {
return fmt.Errorf("error parsing idle timeout: %v", err)
}
case "hset_name":
c.hsetName = v
case "prefix":
c.prefix = v
default:
return fmt.Errorf("session/redis: unsupported option '%s'", k)
}
}
c.c = redis.NewClient(opt)
if err = c.c.Ping().Err(); err != nil {
return err
}
return nil
}
func init() {
cache.Register("redis", &RedisCacher{})
}