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Last pushed: 3 days ago
Short Description
A push notification server written in Go (Golang).
Full Description

gorush

A push notification micro server using Gin framework written in Go (Golang).

Contents

Support Platform

Features

  • Support Google Cloud Message (Firebase Cloud Messaging now) using go-gcm library for Android.
  • Support HTTP/2 Apple Push Notification Service using apns2 library.
  • Support YAML configuration.
  • Support command line to send single Android or iOS notification.
  • Support Web API to send push notification.
  • Support graceful restart & zero downtime deploy using facebook grace.
  • Support HTTP/2 or HTTP/1.1 protocol.
  • Support notification queue and multiple workers.
  • Support /api/stat/app show notification success and failure counts.
  • Support /api/config show your YAML config.
  • Support store app stat to memory, Redis, BoltDB, BuntDB or LevelDB.
  • Support p12 or pem formtat of iOS certificate file.
  • Support /sys/stats show response time, status code count, etc.
  • Support for HTTP proxy to Google server (GCM).
  • Support retry send notification if server response is fail.
  • Support expose prometheus metrics.

See the YAML config example:

core:
  port: "8088"
  worker_num: 8
  queue_num: 8192
  max_notification: 100
  mode: "release"
  ssl: false
  cert_path: "cert.pem"
  key_path: "key.pem"
  http_proxy: "" # only working for GCM server
  pid:
    enabled: true
    path: "gorush.pid"
    override: true

api:
  push_uri: "/api/push"
  stat_go_uri: "/api/stat/go"
  stat_app_uri: "/api/stat/app"
  config_uri: "/api/config"
  sys_stat_uri: "/sys/stats"
  metric_uri: "/metrics"

android:
  enabled: true
  apikey: "YOUR_API_KEY"
  max_retry: 0 # resend fail notification, default value zero is disabled

ios:
  enabled: false
  key_path: "key.pem"
  password: "" # certificate password, default as empty string.
  production: false
  max_retry: 0 # resend fail notification, default value zero is disabled

log:
  format: "string" # string or json
  access_log: "stdout" # stdout: output to console, or define log path like "log/access_log"
  access_level: "debug"
  error_log: "stderr" # stderr: output to console, or define log path like "log/error_log"
  error_level: "error"
  hide_token: true

stat:
  engine: "memory" # support memory, redis, boltdb, buntdb or leveldb
  redis:
    addr: "localhost:6379"
    password: ""
    db: 0
  boltdb:
    path: "bolt.db"
    bucket: "gorush"
  buntdb:
    path: "bunt.db"
  leveldb:
    path: "level.db"

Basic Usage

How to send push notification using gorush command? (Android or iOS)

Download a binary

The pre-compiled binaries can be downloaded from release page.

With Go installed

$ go get -u -v github.com/appleboy/gorush

On linux

$ wget https://github.com/appleboy/gorush/releases/download/v1.7.3/gorush-v1.7.3-linux-amd64 -O gorush

On OS X

$ wget https://github.com/appleboy/gorush/releases/download/v1.7.3/gorush-v1.7.3-darwin-amd64 -O gorush

On Windows

$ wget https://github.com/appleboy/gorush/releases/download/v1.7.3/gorush-v1.7.3-windows-amd64.exe -O gorush.exe

Command Usage

  ________                              .__
 /  _____/   ____ _______  __ __  ______|  |__
/   \  ___  /  _ \\_  __ \|  |  \/  ___/|  |  \
\    \_\  \(  <_> )|  | \/|  |  /\___ \ |   Y  \
 \______  / \____/ |__|   |____//____  >|___|  /
        \/                           \/      \/

Usage: gorush [options]

Server Options:
    -p, --port <port>                Use port for clients (default: 8088)
    -c, --config <file>              Configuration file
    -m, --message <message>          Notification message
    -t, --token <token>              Notification token
    --title <title>                  Notification title
    --proxy <proxy>                  Proxy URL (only for GCM)
    --pid <pid path>                 Process identifier path
iOS Options:
    -i, --key <file>                 certificate key file path
    -P, --password <password>        certificate key password
    --topic <topic>                  iOS topic
    --ios                            enabled iOS (default: false)
    --production                     iOS production mode (default: false)
Android Options:
    -k, --apikey <api_key>           Android API Key
    --android                        enabled android (default: false)
Common Options:
    -h, --help                       Show this message
    -v, --version                    Show version

Send Android notification

Send single notification with the following command.

$ gorush -android -m="your message" -k="API Key" -t="Device token"
  • -m: Notification message.
  • -k: Firebase Cloud Messaging api key
  • -t: Device token.
  • --title: Notification title.
  • --proxy: Set http proxy url. (only working for GCM)

Send iOS notification

Send single notification with the following command.

$ gorush -ios -m="your message" -i="your certificate path" -t="device token" -topic="apns topic"
  • -m: Notification message.
  • -i: Apple Push Notification Certificate path (pem or p12 file).
  • -t: Device token.
  • --title: Notification title.
  • --topic: The topic of the remote notification.
  • --password: The certificate password.

The default endpoint is APNs development. Please add -production flag for APNs production push endpoint.

$ gorush -ios -m="your message" -i="your certificate path" -t="device token" -production

Run gorush web server

Please make sure your config.yml exist. Default port is 8088.

$ gorush -c config.yml

Get go status of api server using httpie tool:

$ http -v --verify=no --json GET https://localhost:8088/api/stat/go

Web API

Gorush support the following API.

  • GET /api/stat/go Golang cpu, memory, gc, etc information. Thanks for golang-stats-api-handler.
  • GET /api/stat/app show notification success and failure counts.
  • GET /api/config show server yml config file.
  • POST /api/push push ios and android notifications.

GET /api/stat/go

Golang cpu, memory, gc, etc information. Response with 200 http status code.

{
  "time": 1460686815848046600,
  "go_version": "go1.6.1",
  "go_os": "darwin",
  "go_arch": "amd64",
  "cpu_num": 4,
  "goroutine_num": 15,
  "gomaxprocs": 4,
  "cgo_call_num": 1,
  "memory_alloc": 7455192,
  "memory_total_alloc": 8935464,
  "memory_sys": 12560632,
  "memory_lookups": 17,
  "memory_mallocs": 31426,
  "memory_frees": 11772,
  "memory_stack": 524288,
  "heap_alloc": 7455192,
  "heap_sys": 8912896,
  "heap_idle": 909312,
  "heap_inuse": 8003584,
  "heap_released": 0,
  "heap_objects": 19654,
  "gc_next": 9754725,
  "gc_last": 1460686815762559700,
  "gc_num": 2,
  "gc_per_second": 0,
  "gc_pause_per_second": 0,
  "gc_pause": [
    0.326576,
    0.227096
  ]
}

GET /api/stat/app

Show success or failure counts information of notification.

{
  "version": "v1.6.2",
  "queue_max": 8192,
  "queue_usage": 0,
  "total_count": 77,
  "ios": {
    "push_success": 19,
    "push_error": 38
  },
  "android": {
    "push_success": 10,
    "push_error": 10
  }
}

GET /sys/stats

Show response time, status code count, etc.

{
  "pid": 80332,
  "uptime": "1m42.428010614s",
  "uptime_sec": 102.428010614,
  "time": "2016-06-26 12:27:11.675973571 +0800 CST",
  "unixtime": 1466915231,
  "status_code_count": { },
  "total_status_code_count": {
    "200": 5
  },
  "count": 0,
  "total_count": 5,
  "total_response_time": "10.422441ms",
  "total_response_time_sec": 0.010422441000000001,
  "average_response_time": "2.084488ms",
  "average_response_time_sec": 0.0020844880000000002
}

GET /metrics

Support expose prometheus metrics.

POST /api/push

Simple send iOS notification example, the platform value is 1:

{
  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "Hello World iOS!"
    }
  ]
}

Simple send Android notification example, the platform value is 2:

{
  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!"
    }
  ]
}

Send multiple notifications as below:

{
  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "Hello World iOS!"
    },
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!"
    },
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World!"
    },
    .....
  ]
}

See more example about iOS or Android.

Request body

Request body must has a notifications array. The following is a parameter table for each notification.

name type description required note
tokens string array device tokens o
platform int platform(iOS,Android) o 1=iOS, 2=Android
message string message for notification -
title string notification title -
priority string Sets the priority of the message. - normal or high
content_available bool data messages wake the app by default. -
sound string sound type -
data string array extensible partition -
retry int retry send notification if fail response from server. Value must be small than max_retry field. -
api_key string Android api key - only Android
to string The value must be a registration token, notification key, or topic. - only Android
collapse_key string a key for collapsing notifications - only Android
delay_while_idle bool a flag for device idling - only Android
time_to_live uint expiration of message kept on GCM storage - only Android
restricted_package_name string the package name of the application - only Android
dry_run bool allows developers to test a request without actually sending a message - only Android
notification string array payload of a GCM message - only Android. See the detail
expiration int expiration for notification - only iOS
apns_id string A canonical UUID that identifies the notification - only iOS
topic string topic of the remote notification - only iOS
badge int badge count - only iOS
category string the UIMutableUserNotificationCategory object - only iOS
alert string array payload of a iOS message - only iOS. See the detail

iOS alert payload

name type description required note
title string Apple Watch & Safari display this string as part of the notification interface. -
body string The text of the alert message. -
subtitle string Apple Watch & Safari display this string as part of the notification interface. -
action string The label of the action button. This one is required for Safari Push Notifications. -
action-loc-key string If a string is specified, the system displays an alert that includes the Close and View buttons. -
launch-image string The filename of an image file in the app bundle, with or without the filename extension. -
loc-args array of strings Variable string values to appear in place of the format specifiers in loc-key. -
loc-key string A key to an alert-message string in a Localizable.strings file for the current localization. -
title-loc-args array of strings Variable string values to appear in place of the format specifiers in title-loc-key. -
title-loc-key string The key to a title string in the Localizable.strings file for the current localization. -

See more detail about APNs Remote Notification Payload.

Android notification payload

name type description required note
icon string Indicates notification icon. -
tag string Indicates whether each notification message results in a new entry on the notification center on Android. -
color string Indicates color of the icon, expressed in #rrggbb format -
click_action string The action associated with a user click on the notification. -
body_loc_key string Indicates the key to the body string for localization. -
body_loc_args string Indicates the string value to replace format specifiers in body string for localization. -
title_loc_key string Indicates the key to the title string for localization. -
title_loc_args string Indicates the string value to replace format specifiers in title string for localization. -

See more detail about GCM server reference.

iOS Example

Send normal notification.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "Hello World iOS!"
    }
  ]

The following payload asks the system to display an alert with a Close button and a single action button.The title and body keys provide the contents of the alert. The “PLAY” string is used to retrieve a localized string from the appropriate Localizable.strings file of the app. The resulting string is used by the alert as the title of an action button. This payload also asks the system to badge the app’s icon with the number 5.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "badge": 5,
      "alert": {
        "title" : "Game Request",
        "body" : "Bob wants to play poker",
        "action-loc-key" : "PLAY"
      }
    }
  ]

The following payload specifies that the device should display an alert message, plays a sound, and badges the app’s icon.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "You got your emails.",
      "badge": 9,
      "sound": "bingbong.aiff"
    }
  ]

Add other fields which user defined via data field.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 1,
      "message": "Hello World iOS!",
      "data": {
        "key1": "welcome",
        "key2": 2
      }
    }
  ]

Android Example

Send normal notification.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!",
      "title": "You got message"
    }
  ]

Add notification payload.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!",
      "title": "You got message",
      "notification" : {
        "icon": "myicon",
        "color": "#112244"
      }
    }
  ]

Add other fields which user defined via data field.

  "notifications": [
    {
      "tokens": ["token_a", "token_b"],
      "platform": 2,
      "message": "Hello World Android!",
      "title": "You got message",
      "data": {
       "Nick" : "Mario",
       "body" : "great match!",
       "Room" : "PortugalVSDenmark"
      }
    }
  ]

Response body

Error response message table:

status code message
400 Missing notifications field.
400 Notifications field is empty.
400 Number of notifications(50) over limit(10)

Success response:

{
  "success": "ok"
}

Run gorush in Docker

Set up gorush in the cloud in under 5 minutes with zero knowledge of Golang or Linux shell using our gorush Docker image.

$ docker pull appleboy/gorush
$ docker run --name gorush -p 80:8088 appleboy/gorush

Run gorush with your own config file.

$ docker pull appleboy/gorush
$ docker run --name gorush -v ${PWD}/config.yml:/config.yml -p 80:8088 appleboy/gorush

Testing your gorush server using httpie command.

$ http -v --verify=no --json GET http://your.docker.host/api/stat/go

License

Copyright 2016 Bo-Yi Wu @appleboy.

Licensed under the MIT License.

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Owner
appleboy
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