Gorush: A push notification server written in Go

A push notification server written in Go
1
Bo-Yi Wu
Mopcon @ 2017.10.28

 Why I create the Gorush Project?
 Detail implementation in Golang
 Testing and deploy Go project.
 Run Gorush in Kubernetes.
2

 Mediatek Engineer
 DevOps
 Golang, PHP, Node.js ..
 Some open source
 Gitea
 Gin
 Drone
 appleboy @GitHub
 appleboy @twitter
 appleboy @slideshare
 appleboy46 @facebook
3

 drone/drone
 go-gitea/gitea
 gin-gonic/gin
 appleboy/gorush
4

 drone/drone
 go-gitea/gitea
 gin-gonic/gin
 appleboy/gorush
5

Mediatek
Cloud
Sandbox
Trigger
Push
Email
hook
MQTT
TCP
HTTP
7

Mediatek
Cloud
Sandbox
Trigger
Push
Email
hook
MQTT
TCP
HTTP
8Forcus on Push notification

https://github.com/appleboy/gorush
9

A general push notification server
for smartphone application
10

Written in Go
Push requests to APNs and FCM
Simple HTTP APIs (JSON)
RPC Protocol (gRPC)
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Client
FCM
APN
s
Gorush
POST /push
JSON Body
HTTPS
APNs
Protocol
12

 System Requirement
 Good Performance
 High Concurrency
 Simple net/http Package
 Easy to Learn
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https://github.com/golang/go/wiki/FromXToGo
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https://github.com/golangtw/jobs
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FCM
APNs
API Server
API Server
API Server
PUSH
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FCM
APNs
Worker
Worker
Worker
PUSHQueue
API
API
API
de-queue
Asynchronous Notification
AWS
en-queue
18

Nginx
Traefik
FCM
APNs
Gorush
Gorush
Gorush
PUSH
API
API
API
Http
Post /push
Gorush = Queue + Worker
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How to implement simple notification service
20

Client
FCM
APN
s
Gorush
POST /push
JSON Body
HTTPS
APNs
Protocol
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Http Server
gRPC Server
Push API
Worker
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GET /api/stat/go
GET /api/stat/app
GET /sys/stats
GET /metrics
POST /api/push
GET /healthz
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$ for i in {1..99999}; do bat -b.N=1000 -b.C=100 POST local:8088/api/push
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https://github.com/appleboy/gorush/#post-apipush
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Notification
Notification
Notification
Notification
worker
worker
worker
Client
Notification
worker
WaitGroup
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Notification
Log
Wait response
Send to Work
Queue
40

$ GORUSH_CORE_PORT=8089 gorush
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 /etc/gorush/config.yml
 $HOME/.gorush/config.yml
 . (Current Folder)
45

Android Config
iOS Config
Log Config
51

53
Supports new Apple Token Based Authentication (JWT)

memory, blotdb, buntdb, leveldb, redis
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$ gorush -android –m="message" -k="API Key" –t="token"
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$ gorush -ios -m="message" -i="certificate path"
-t="token" -topic="topic"
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https://github.com/mitchellh/gox
66

https://github.com/facebookgo/grace
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How to resolve this problem?
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// +build windows
https://golang.org/pkg/go/build/
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$ docker build -t appleboy/gorush .
https://goo.gl/zQbhmu
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Continuous Delivery system
built on container technology
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Git Test Release Docker Notify
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 Testing Code
 Analytic Code
 Code Quality
 Build Binary
 Deploy Binary
 Build Docker Image
 Deploy Docker Container
 Send Notification
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80

82

Choose Image
Testing Process
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$ coverage all
https://github.com/appleboy/golang-testing
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89

Choose Image
Step Name
Run on for Git tag event
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93

Drone Envars
Drone Secrets
Plugin Image
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$ kubectl create -f k8s
$ kubectl get services
$ minikube service frontend
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http://bit.ly/devops-drone
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Gorush: A push notification server written in Go

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