initial commit

3 files changed, 43 insertions, 0 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..c5ba61a
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,13 @@
+image: centos:8
+
+stages:
+  - build
+
+Build:
+  stage: build
+  script:
+    - dnf install -y podman buildah
+    - ./configure-podman
+    - podman login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
+    - podman build --tag $CI_REGISTRY_IMAGE:latest .
+    - podman push $CI_REGISTRY_IMAGE:latest
diff --git a/Dockerfile b/Dockerfile
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index 0000000..f059589
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+FROM centos:8
+
+ENV SUMMARY="podman-docker-builder" \
+    DESCRIPTION="build docker images using podman"
+
+LABEL maintainer="Gerd Hoffmann <kraxel@redhat.com>" \
+      summary="${SUMMARY}" \
+      description="${DESCRIPTION}" \
+
+USER root
+
+RUN dnf update -y && \
+    dnf install -y podman buildah && \
+    dnf clean all -y
+
+COPY configure-podman /root
+RUN /root/configure-podman
diff --git a/configure-podman b/configure-podman
new file mode 100755
index 0000000..5071d28
--- /dev/null
+++ b/configure-podman
@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# need to tweak some config options so "podman build" can run inside a container
+#
+
+# storage: can't use overlay (can't be stacked).
+sed -i.orig -e '/^driver/s/overlay/vfs/' /etc/containers/storage.conf
+diff -u /etc/containers/storage.conf.orig /etc/containers/storage.conf
+
+# cgroups: no systemd, so use cgroupfs directly
+cp /usr/share/containers/libpod.conf /etc/containers
+sed -i.orig -e '/^cgroup_manager/s/systemd/cgroupfs/' /etc/containers/libpod.conf
+diff -u /etc/containers/libpod.conf.orig /etc/containers/libpod.conf