Gitlab CI 拉基礎影像檔時的授權問題

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事情是這樣的, 原本跑得好好的流水線, 因為資安要求東封西封, 所以就沒辦法從 DockerHub 拉影像檔下來的, 只好把基礎影像檔上傳一份到自己的 Docker Registry 但我們自己的是有權限控制的, 所以當 CI 本身要用的影像檔要下載時就會發生….

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Running with gitlab-runner 11.7.0 (8bb608ff)
  on docker-runner ckf36eMz
Using Docker executor with image docker-registry.samchu.com/node:10-alpine ...
Pulling docker image docker-registry.samchu.com/node:10-alpine ...
ERROR: Preparation failed: Error response from daemon: Get https://docker-registry.samchu.com/v2/node/manifests/10-alpine: no basic auth credentials (executor_docker.go:168:0s)
Will be retried in 3s ...
Using Docker executor with image docker-registry.samchu.com/node:10-alpine ...
Pulling docker image docker-registry.samchu.com/node:10-alpine ...
ERROR: Preparation failed: Error response from daemon: Get https://docker-registry.samchu.com/v2/node/manifests/10-alpine: no basic auth credentials (executor_docker.go:168:0s)
Will be retried in 3s ...
Using Docker executor with image docker-registry.samchu.com/node:10-alpine ...
Pulling docker image docker-registry.samchu.com/node:10-alpine ...
ERROR: Preparation failed: Error response from daemon: Get https://docker-registry.samchu.com/v2/node/manifests/10-alpine: no basic auth credentials (executor_docker.go:168:0s)
Will be retried in 3s ...
ERROR: Job failed (system failure): Error response from daemon: Get https://docker-registry.samchu.com/v2/node/manifests/10-alpine: no basic auth credentials (executor_docker.go:168:0s)

流水線會先下載 需要的影像檔

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.job_npm_build_template: &job_npm_build
  image: docker-registry.samchu.com/node:10-alpine
  cache:
    paths:
      - node_modules/
  before_script:    
    - source build-vars.sh
    - npm install
  script:
    - npm run clean --scripts-prepend-node-path=auto
    - npm run build:${SERVER_ENV} --scripts-prepend-node-path=auto
    - cat dist/index.html
    - tar cvf dist-${SERVER_ENV}.tar dist
  artifacts:
    paths:
      - dist-${SERVER_ENV}.tar

這邊找一篇Can’t Access Private MySQL Docker Image From Gitlab CI

只要在 GitLab 介面 -> Settings -> CI / CD -> Variables
增加變數定義 DOCKER_AUTH_CONFIG
裡面的值

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{
  "auths": {
    "docker-registry.samchu.com": {
      "auth": "xxxxxxxxxxxxxxxxxxxxxxxxxxxx" // base 64 encoded username:password
    }
  }
}

結束 下班 XD

創用 CC 授權條款
SAM的程式筆記 由朱尚禮製作，以創用CC 姓名標示-非商業性-相同方式分享 4.0 國際 授權條款釋出。