Adds pipeline image (#9606)

.gitlab-ci/build.yml

@@ -0,0 +1,17 @@
+---
+pipeline image:
+  stage: build
+  image: docker:20.10.22-cli
+  variables:
+    DOCKER_TLS_CERTDIR: ""
+  services:
+    - name: docker:20.10.22-dind
+      # See https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27300 for why this is required
+      command: ["--tls=false"]
+  before_script:
+    - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+  script:
+    # DOCKER_HOST is overwritten if we set it as a GitLab variable
+    - DOCKER_HOST=tcp://docker:2375; docker build --network host --file pipeline.Dockerfile --tag $PIPELINE_IMAGE .
+    - docker push $PIPELINE_IMAGE
+  except: ['triggers', 'master']

.gitlab-ci/molecule.yml

@@ -4,7 +4,7 @@
   tags: [c3.small.x86]
   only: [/^pr-.*$/]
   except: ['triggers']
-  image: quay.io/kubespray/vagrant:$KUBESPRAY_VERSION
+  image: $PIPELINE_IMAGE
   services: []
   stage: deploy-part1
   before_script:

.gitlab-ci/vagrant.yml

@@ -10,7 +10,7 @@
   tags: [c3.small.x86]
   only: [/^pr-.*$/]
   except: ['triggers']
-  image: quay.io/kubespray/vagrant:$KUBESPRAY_VERSION
+  image: $PIPELINE_IMAGE
   services: []
   before_script:
     - apt-get update && apt-get install -y python3-pip