Cannot connect unix:///var/run/docker.sock in kubernetes using GitLab CI runner

0 votes

I'm trying to build docker images with build artifacts and I'm running GitLab running on kubernetes cluster. Here's my config snippets:


image: docker:latest
  - docker:dind

  DOCKER_DRIVER: overlay

  - build
  - package
  - deploy

  image: maven:3-jdk-8
  stage: build
  script: "mvn package -B --settings settings.xml"
      - target/*.jar

  stage: package
  - docker build -t .
  - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN
  - docker push


concurrent = 1
check_interval = 0

  name = "app"
  url = ""
  token = "xxxxxxxx"
  executor = "kubernetes"
    privileged = true
    disable_cache = true

Package stage log:

running with gitlab-ci-multi-runner 1.11.1 (a67a225)
  on app runner (6265c5)
Using Kubernetes namespace: default
Using Kubernetes executor with image docker:latest ...
Waiting for pod default/runner-6265c5-project-4-concurrent-0h9lg9 to be running, status is Pending
Waiting for pod default/runner-6265c5-project-4-concurrent-0h9lg9 to be running, status is Pending
Running on runner-6265c5-project-4-concurrent-0h9lg9 via gitlab-runner-3748496643-k31tf...
Cloning repository...
Cloning into '/group/app'...
Checking out 10d5a680 as master...
Skipping Git submodules setup
Downloading artifacts for maven-build (61)...
Downloading artifacts from coordinator... ok        id=61 responseStatus=200 OK token=ciihgfd3W
$ docker build -t .
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
ERROR: Job failed: error executing remote command: command terminated with non-zero exit code: Error executing in Docker Container: 1

Should I be doing something in a different way?

Oct 16, 2018 in Kubernetes by Atul
• 10,220 points

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0 votes

Do not use this:


because OVERLAY is not supported, so svc-0 can not start with it.

$ kubectl logs -f `kubectl get pod |awk '/^runner/{print $1}'` -c svc-0
time="2017-03-20T11:19:01.954769661Z" level=warning msg="[!] DON'T BIND ON ANY IP ADDRESS WITHOUT setting -tlsverify IF YOU DON'T KNOW WHAT YOU'RE DOING [!]"
time="2017-03-20T11:19:01.955720778Z" level=info msg="libcontainerd: new containerd process, pid: 20"
time="2017-03-20T11:19:02.958659668Z" level=error msg="'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded."

and add this to the docker build:

  stage: package
  - export DOCKER_HOST="tcp://localhost:2375"
  - docker build -t .
  - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN
  - docker push
answered Oct 16, 2018 by DareDev
• 6,670 points

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