ci: Drop tier-x build, do build test case

As part of all of this we're de-emphasizing "tier-x" and focusing
on making it ergonomic to either build up from minimal, or down+up
from standard.

Second, also add a CI test for our derived image.

Signed-off-by: Colin Walters <walters@verbum.org>

.gitlab-ci.yml

@@ -3,31 +3,21 @@ stages:
   - build
 
 variables:
-  IMAGE: ${CI_REGISTRY}/${CI_PROJECT_PATH}:${CI_COMMIT_SHA}
-  CONTAINERFILE: Containerfile
-  CONTEXT: .
-  EXTRA_ARGS: ""
+  PRIV_ARGS: "--security-opt=label=disable --cap-add=all --device /dev/fuse"
 
 .build-image:
   stage: build
   image: quay.io/buildah/stable:v1.38.0
   needs: []
-  script: buildah bud -f ${CONTAINERFILE} --no-cache -t ${IMAGE} ${EXTRA_ARGS} ${CONTEXT}
-  rules:
-    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS && $CI_PIPELINE_SOURCE == "push"
-      when: never
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
-      when: never
 
-build-image:
+build-minimal:
   extends: .build-image
-  parallel:
-    matrix:
-      - TIER: [minimal, standard, tier-x]
-  variables:
-    EXTRA_ARGS: "--security-opt=label=disable --cap-add=all --build-arg MANIFEST=fedora-$TIER"
-  rules:
-    - if: $CI_PROJECT_NAMESPACE != "fedora/bootc"
-      when: never
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+  script: buildah build -f Containerfile --no-cache -t localhost/fedora-bootc:minimal ${PRIV_ARGS} --build-arg=manifest=fedora-minimal .
+
+standard-build-and-test:
+  extends: .build-image
+  script: |
+    set -xeuo pipefail
+    buildah build --no-cache -t localhost/fedora-bootc ${PRIV_ARGS} .
+    cd tests
+    buildah build -f Containerfile.test-derive --no-cache -t localhost/fedora-bootc-derived ${PRIV_ARGS} .

tests/Containerfile.test-derive

@@ -1,7 +1,7 @@
 # This test case exercises using the fedora-bootc image as a builder
 # to generate a minimal target image derived from CentOS Stream 10 content,
 # and then further extends it in a secondary phase.
-FROM quay.io/centos/centos:stream10 as repos
+FROM quay.io/fedora/fedora-bootc:rawhide as repos
 
 # This is intentionally a locally built image
 FROM localhost/fedora-bootc as builder
@@ -12,16 +12,15 @@ FROM scratch
 COPY --from=builder /target-rootfs/ /
 RUN <<EORUN
 set -xeuo pipefail
-# Verify we have CentOS content
 . /usr/lib/os-release
-test "$ID" = centos
+test "$ID" = fedora
 
 # And install a package
 dnf -y install strace
 dnf clean all
 
 # Cleanup and lint
-rm /var/log /var/cache/* /var/lib/dnf
+rm -rf /var/log /var/cache/* /var/lib/dnf
 bootc container lint
 EORUN
 LABEL containers.bootc 1