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DAY 30
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fmt.Println("從零開始的Golang生活")系列 第 30 篇

Day30 Gin with Drone

13th鐵人賽
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Ngrox

前置作業，因為我們是在local進行開發，但由於drone的設定上需要一個對外的https接口，
因此我們透過Ngrox將我們的https:localhost:8081向外暴露，指令如下

$ ngrok http 8081
ngrok by @inconshreveable                                                                                                                                                                       (Ctrl+C to quit)

Session Status                online
Session Expires               1 hour, 55 minutes
Version                       2.3.40
Region                        United States (us)
Web Interface                 http://127.0.0.1:4040
Forwarding                    http://6eb3-115-165-224-61.ngrok.io -> http://localhost:8081
Forwarding                    https://6eb3-115-165-224-61.ngrok.io -> http://localhost:8081

Connections                   ttl     opn     rt1     rt5     p50     p90
                              0       0       0.00    0.00    0.00    0.00

另外，ngrox的操作與申請步驟可以參考下方連結

https://medium.com/life-after-hello-world/5分鐘完成-ngrok-設定-mac-6cedab20bc21

Github OAuth Settings

請至Github頁面然後選擇右上方Settings → Developer settings → OAuth Apps

之後New OAuth App，註冊一個新的OAuth application

https://ithelp.ithome.com.tw/upload/images/20211015/20129737qXpOMh7FDk.png

  • Authorization callback URL: 請填寫剛剛ngrox所創建的URL並加上/login

Drone Settings

docker-compose.yaml

version: '2'

services:
  drone-server:
    image: drone/drone:1
    ports:
      - 8081:80
    volumes:
      - ./:/data
    restart: always
    environment:
      - DRONE_SERVER_HOST=${DRONE_SERVER_HOST}
      - DRONE_SERVER_PROTO=${DRONE_SERVER_PROTO}
      - DRONE_RPC_SECRET=${DRONE_RPC_SECRET}

      # GitHub Config
      - DRONE_GITHUB_SERVER=https://github.com
      - DRONE_GITHUB_CLIENT_ID=${DRONE_GITHUB_CLIENT_ID}
      - DRONE_GITHUB_CLIENT_SECRET=${DRONE_GITHUB_CLIENT_SECRET}

      - DRONE_LOGS_PRETTY=true
      - DRONE_LOGS_COLOR=true

  # runner for docker version
  drone-runner:
    image: drone/drone-runner-docker:1
    restart: always
    depends_on:
      - drone-server
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - DRONE_RPC_HOST=${DRONE_RPC_HOST}
      - DRONE_RPC_PROTO=${DRONE_RPC_PROTO}
      - DRONE_RPC_SECRET=${DRONE_RPC_SECRET}
      - DRONE_RUNNER_CAPACITY=3

這邊要注意一下，在根目錄的位置記得要創建一個.env的檔案並將上頭的environment變數寫入其中！

.env

DRONE_SERVER_HOST=6eb3-115-165-224-61.ngrok.io
DRONE_SERVER_PROTO=https
DRONE_RPC_HOST=drone-server
DRONE_RPC_PROTO=http
DRONE_RPC_SECRET=da39a3ee5e6b4b0d3255bfef95601890afd80709
DRONE_GITHUB_CLIENT_ID=fe42a44452ec710267b6
DRONE_GITHUB_CLIENT_SECRET=eb585deb6dbe76b4a2fc98427a6a205fb2240204
  • DRONE_SERVER_HOST: localhost所ngrox出去的URL
  • DRONE_SERVER_PROTO: 我們走https protocol
  • DRONE_RPC_HOST: 由於是用compose，且在同一台機器，故透過container name在同個docker network即可以互通
  • DRONE_RPC_PROTO: http protocol
  • DRONE_RPC_SECRET: 自定義的一串String，建議用隨機雜湊產生器產生
  • DRONE_GITHUB_CLIENT_ID: Github OAuth Application的Client Id
  • DRONE_GITHUB_CLIENT_SECRET: Github OAuth Application的Secret Key

Start with drone

docker-compose up 
drone-runner_1  | time="2021-10-15T00:51:46Z" level=info msg="starting the server" addr=":3000"
drone-runner_1  | time="2021-10-15T00:51:46Z" level=error msg="cannot ping the remote server" error="Post http://drone-server/rpc/v2/ping: dial tcp 172.18.0.2:80: connect: connection refused"
drone-server_1  | {
drone-server_1  |   "level": "info",
drone-server_1  |   "msg": "main: internal scheduler enabled",
drone-server_1  |   "time": "2021-10-15T00:51:47Z"
drone-server_1  | }
drone-server_1  | {
drone-server_1  |   "acme": false,
drone-server_1  |   "host": "6eb3-115-165-224-61.ngrok.io",
drone-server_1  |   "level": "info",
drone-server_1  |   "msg": "starting the http server",
drone-server_1  |   "port": ":80",
drone-server_1  |   "proto": "https",
drone-server_1  |   "time": "2021-10-15T00:51:47Z",
drone-server_1  |   "url": "https://6eb3-115-165-224-61.ngrok.io"
drone-server_1  | }
drone-server_1  | {
drone-server_1  |   "interval": "30m0s",
drone-server_1  |   "level": "info",
drone-server_1  |   "msg": "starting the cron scheduler",
drone-server_1  |   "time": "2021-10-15T00:51:47Z"
drone-server_1  | }
drone-server_1  | {
drone-server_1  |   "interval": "24h0m0s",
drone-server_1  |   "level": "info",
drone-server_1  |   "msg": "starting the zombie build reaper",
drone-server_1  |   "time": "2021-10-15T00:51:47Z"
drone-server_1  | }
drone-runner_1  | time="2021-10-15T00:51:47Z" level=info msg="successfully pinged the remote server"
drone-runner_1  | time="2021-10-15T00:51:47Z" level=info msg="polling the remote server" arch=amd64 capacity=3 endpoint="http://drone-server" kind=pipeline os=linux type=docker

第一次進到Drone Server URL時，會需要進行一個與Github的認證

https://ithelp.ithome.com.tw/upload/images/20211015/20129737Uq0xqEwe1A.png

認證後就能看到你在Github所有的Repositories

https://ithelp.ithome.com.tw/upload/images/20211015/201297371W1c7r1Qwh.png

到這邊我們drone server的設定就已經完成，接下來則要回到Gin Project來新增.drone.yml來撰寫CD啟動時的pipeline

Create Docker Registry

這邊我是選用dockerhub的免費registry

docker-compose.yaml

ironman-2021:
    container_name: ironman-2021
    image: ghjjhg567/ironman2021

這邊記得要補上對應到的docker image repository

Gin With Drone

Step1

.drone.yaml

kind: pipeline
type: docker
name: clone

steps:
  - name: docker
    image: plugins/docker
    settings:
      registry: ghjjhg567/ironman2021:latest
      repo: hub.docker.com/repository/docker/ghjjhg567/ironman2021
      auto_tag: true
      auto_tag_suffix: linux-amd64
      username: ghjjhg567
      password:
        from_secret: docker_password

這邊就參照官方的寫法，每當drone CI被trigger時會去參照跟目錄的Dockerfile並將其build起來push到指定repo。

Step2

之後請到drone server URL，並設定Repository的SETTINGS

https://ithelp.ithome.com.tw/upload/images/20211015/20129737Y2seN8y9nE.png

請記得在Secrets加上變數docker_password，並在value填上自己的dockerhub密碼

Step3

Push Code to Github

https://ithelp.ithome.com.tw/upload/images/20211015/201297377hUatfeUA7.png

此時就會自動Trigger Drone CI，並執行Drone Pipeline的動作。

Summary

https://github.com/Neskem/Ironman-2021/tree/Day-30
這趟旅程說長不長說短不短，我們從一開始的介紹golang語法，到Gin的介紹，再到Gin的常見第三方套件使用與實作，最後再到利用Drone來進行CI，這也算走完了一整個開發週期！

那最後也感謝同事們的邀約與參賽，讓我能夠重拾當初寫Code的熱情來學習新技術，咱們就明年再見吧(應該吧)

Reference

https://medium.com/life-after-hello-world/5分鐘完成-ngrok-設定-mac-6cedab20bc21


上一篇
Day29 Gin with Async
系列文
fmt.Println("從零開始的Golang生活") 共 30 篇
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  5. 30
    Day30 Gin with Drone
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2 則留言

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Peter Chen
iT邦新手 1 級 ‧ 2021-10-15 11:02:54

/images/emoticon/emoticon12.gif狂賀完賽！！/images/emoticon/emoticon08.gif

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蓋瑞
iT邦新手 5 級 ‧ 2021-10-15 11:45:45

恭賀孫大神完賽！

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