ci: Update build system integration

The ci-* targets need to know where our container images are stored
and how they are called to work, so now that we use the GitLab
container registry instead of Quay some changes are necessary.
Signed-off-by: NAndrea Bolognani <abologna@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>

ci/Makefile

@@ -50,7 +50,7 @@ CI_BUILD_SCRIPT = $(CI_ROOTDIR)/build.sh
 # Location of the container images we're going to pull
 # Can be useful to overridde to use a locally built
 # image instead
-CI_IMAGE_PREFIX = quay.io/libvirt/buildenv-libvirt-
+CI_IMAGE_PREFIX = registry.gitlab.com/libvirt/libvirt/ci-
 
 # The default tag is ':latest' but if the container
 # repo above uses different conventions this can override it
@@ -243,11 +243,11 @@ ci-list-images:
 	@echo
 	@echo "Available x86 container images:"
 	@echo
-	@sh list-images.sh "$(CI_ENGINE)" "$(CI_IMAGE_PREFIX)" | grep -v cross
+	@sh list-images.sh "$(CI_IMAGE_PREFIX)" | grep -v cross
 	@echo
 	@echo "Available cross-compiler container images:"
 	@echo
-	@sh list-images.sh "$(CI_ENGINE)" "$(CI_IMAGE_PREFIX)" | grep cross
+	@sh list-images.sh "$(CI_IMAGE_PREFIX)" | grep cross
 	@echo
 
 ci-help:

ci/list-images.sh

 #!/bin/sh
 
-engine="$1"
-prefix="$2"
+prefix="${1##registry.gitlab.com/}"
 
-do_podman() {
-    # Podman freaks out if the search term ends with a dash, which ours
-    # by default does, so let's strip it. The repository name is the
-    # second field in the output, and it already starts with the registry
-    podman search --limit 100 "${prefix%-}" | while read _ repo _; do
-        echo "$repo"
-    done
-}
+PROJECT_ID=192693
 
-do_docker() {
-    # Docker doesn't include the registry name in the output, so we have
-    # to add it. The repository name is the first field in the output
-    registry="${prefix%%/*}"
-    docker search --limit 100 "$prefix" | while read repo _; do
-        echo "$registry/$repo"
-    done
+all_repos() {
+  curl -s "https://gitlab.com/api/v4/projects/$PROJECT_ID/registry/repositories?per_page=100" \
+    | tr , '\n' | grep '"path":' | sed 's,"path":",,g;s,"$,,g'
 }
 
-"do_$engine" | grep "^$prefix" | sed "s,^$prefix,,g" | while read repo; do
+all_repos | grep "^$prefix" | sed "s,^$prefix,,g" | while read repo; do
     echo "    $repo"
 done | sort -u