CODEWITHSUNDEEP
dockergitlabgitlab-cigitlab-ci-runneraws-fargate
Howins
Howins

Reputation: 641

Use docker dind with GitLab runner on ecs fargate

I setup a GitLab runner on EC2 which triggers jobs on a Fargate ECS cluster. I followed this tutorial step by step: https://docs.gitlab.com/runner/configuration/runner_autoscale_aws_fargate

During my CI/CD I build docker image then I want to reuse them during other stages of my CI/CD. So when I used shared runner I used docker dind:

  image: docker:stable
  services:
    - docker:dind

My config.toml looks like this:

concurrent = 1
check_interval = 0

[session_server]
  session_timeout = 1800

[[runners]]
  name = "fargate-runner"
  url = "https://gitlab.com/"
  token = "KRGVsYCF-V-D1u7UvCjq"
  executor = "custom"
  builds_dir = "/opt/gitlab-runner/builds"
  cache_dir = "/opt/gitlab-runner/cache"
  [runners.custom]
    config_exec = "/opt/gitlab-runner/fargate"
    config_args = ["--config", "/etc/gitlab-runner/fargate.toml", "custom", "config"]
    prepare_exec = "/opt/gitlab-runner/fargate"
    prepare_args = ["--config", "/etc/gitlab-runner/fargate.toml", "custom", "prepare"]
    run_exec = "/opt/gitlab-runner/fargate"
    run_args = ["--config", "/etc/gitlab-runner/fargate.toml", "custom", "run"]
    cleanup_exec = "/opt/gitlab-runner/fargate"
    cleanup_args = ["--config", "/etc/gitlab-runner/fargate.toml", "custom", "cleanup"]

What should I do to use docker command during my CI/CD and to keep docker image of each build between all stages?

Upvotes: 6

Views: 2990

Answers (1)

sytech
sytech

Reputation: 40921

docker:dind requires privileged execution. It is not possible to use privileged containers on Fargate, so this is not directly possible.

However, you may be able to use daemonless image builders, such as kaniko to build docker images and, optionally, use those images as the build image for later jobs.

You can also explore alternatives, like using CodeBuild to build images with the fargate executor.

Upvotes: 5

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