[extensions-web/barthalion/ci-shared-runners] Run CI on shared runners with buildah and podman

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 0bb7bff7edaba19e3879965f5c874e622ead99b4
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Mon Jul 20 16:57:50 2020 +0200

    Run CI on shared runners with buildah and podman

 .gitlab-ci.yml | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 217e4f8..3d7117d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,19 +1,16 @@
-image: docker:stable
+image: 'registry.fedoraproject.org/fedora:32'
 
 variables:
-  DOCKER_TLS_CERTDIR: ""
-
-services:
-  - docker:dind
-
-before_script:
-  - docker info
+  STORAGE_DRIVER: 'vfs'
 
 test:
   stage: test
-  tags:
-    - privileged
   script:
-    - docker build -f openshift/docker/Dockerfile -t extensions-web .
-    - docker run -e EGO_SECRET_KEY=. -e EGO_DEBUG=1 extensions-web python manage.py test
-    - docker run extensions-web bash -c 'pip install safety && safety check -r requirements.txt && safety 
check -r requirements.ego.txt'
+    - dnf install -y buildah podman
+    # Newer versions of podman/buildah try to set overlayfs mount options when
+    # using the vfs driver, and this causes errors.
+    - sed -i '/^mountopt =.*/d' /etc/containers/storage.conf
+
+    - podman build --cgroup-manager=cgroupfs -f openshift/docker/Dockerfile -t extensions-web .
+    - podman run --cgroup-manager=cgroupfs -e EGO_SECRET_KEY=. -e EGO_DEBUG=1 extensions-web python 
manage.py test
+    - podman run extensions-web bash -c 'pip install safety && safety check -r requirements.txt && safety 
check -r requirements.ego.txt'