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Redis client(support redis portocal) based on ioredis for egg framework
$ npm i egg-redis --save
redis Plugin for egg, support egg application access to redis.
This plugin based on ioredis, if you want to know specific usage, you should refer to the document of ioredis.
Change ${app_root}/config/plugin.js
to enable redis plugin:
exports.redis = {
enable: true,
package: 'egg-redis',
};
Configure redis information in ${app_root}/config/config.default.js
:
Single Client
config.redis = {
client: {
port: 6379, // Redis port
host: '127.0.0.1', // Redis host
password: 'auth',
db: 0,
},
}
Multi Clients
config.redis = {
clients: {
foo: { // instanceName. See below
port: 6379, // Redis port
host: '127.0.0.1', // Redis host
password: 'auth',
db: 0,
},
bar: {
port: 6379,
host: '127.0.0.1',
password: 'auth',
db: 1,
},
}
}
Sentinel
config.redis = {
client: {
sentinels: [{ // Sentinel instances
port: 26379, // Sentinel port
host: '127.0.0.1', // Sentinel host
}],
name: 'mymaster', // Master name
password: 'auth',
db: 0
},
}
No password
Redis support no authentication access, but we are highly recommand you to use redis requirepass
in redis.conf
.
$vim /etc/redis/redis.conf
requirepass xxxxxxxxxx // xxxxxxxxxx is your password
Because it may be cause security risk, refer:
If you want to access redis with no password, use password: null
.
See ioredis API Documentation for all available options.
ioredis
versionegg-redis
using ioredis@4 now, if you want to use other version of ioredis, you can pass the instance by config.redis.Redis
:
// config/config.default.js
config.redis = {
Redis: require('ioredis'), // customize ioredis version, only set when you needed
client: {
port: 6379, // Redis port
host: '127.0.0.1', // Redis host
password: 'auth',
db: 0,
},
}
weakDependent
config.redis = {
client: {
port: 6379, // Redis port
host: '127.0.0.1', // Redis host
password: 'auth',
db: 0,
weakDependent: true, // this redis instance won't block app start
},
}
In controller, you can use app.redis
to get the redis instance, check ioredis to see how to use.
// app/controller/home.js
module.exports = app => {
return class HomeController extends app.Controller {
async index() {
const { ctx, app } = this;
// set
await app.redis.set('foo', 'bar');
// get
ctx.body = await app.redis.get('foo');
}
};
};
If your Configure with multi clients, you can use app.redis.get(instanceName)
to get the specific redis instance and use it like above.
// app/controller/home.js
module.exports = app => {
return class HomeController extends app.Controller {
async index() {
const { ctx, app } = this;
// set
await app.redis.get('instance1').set('foo', 'bar');
// get
ctx.body = await app.redis.get('instance1').get('foo');
}
};
};
Before you start to use Redis Cluster, please checkout the document first, especially confirm cluster-enabled yes
in Redis Cluster configuration file.
In controller, you also can use app.redis
to get the redis instance based on Redis Cluster.
// app/config/config.default.js
exports.redis = {
client: {
cluster: true,
nodes: [{
host: '127.0.0.1',
port: '6379',
family: 'user',
password: 'password',
db: 'db',
}, {
host: '127.0.0.1',
port: '6380',
family: 'user',
password: 'password',
db: 'db',
}]
},
};
// app/controller/home.js
module.exports = app => {
return class HomeController extends app.Controller {
async index() {
const { ctx, app } = this;
// set
await app.redis.set('foo', 'bar');
// get
ctx.body = await app.redis.get('foo');
}
};
};
Please open an issue here.
FAQs
Redis plugin for egg
The npm package egg-redis receives a total of 4,615 weekly downloads. As such, egg-redis popularity was classified as popular.
We found that egg-redis demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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