Allow custom repo URLs to used in rocky-container element

Author: m-bull

elements/rocky-container-stackhpc/cleanup.d/80-cleanup-and-restore-repofiles

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+DIB_ROCKY_CONTAINER_STACKHPC_RESTORE_UPSTREAM_REPOFILES=${DIB_ROCKY_CONTAINER_STACKHPC_RESTORE_UPSTREAM_REPOFILES:-"false"}
+
+[ -n "$TARGET_ROOT" ]
+
+# Remove custom repos and disabled upstream repo files
+sudo rm -f ${TARGET_ROOT}/etc/yum.repos.d/*.repo
+
+# Conditionally restore upstream repo files
+if [[ ${DIB_ROCKY_CONTAINER_STACKHPC_RESTORE_UPSTREAM_REPOFILES} != "false" ]]; then
+  sudo cp -f ${TARGET_ROOT}/tmp/orig_repos/*.repo ${TARGET_ROOT}/etc/yum.repos.d/
+fi
+
+# Cleanup temporary copies of original repo files
+sudo rm -rf ${TARGET_ROOT}/tmp/orig_repos

elements/rocky-container-stackhpc/containerfiles/9-stackhpc

@@ -1,6 +1,17 @@
 # Based on https://github.com/openstack/diskimage-builder/blob/master/diskimage_builder/elements/rocky-container/containerfiles/9
 
 FROM docker.io/rockylinux/rockylinux:9
+ARG ROCKY_USE_MIRRORS="false"
+# Comma-delimited list of repo URLs
+ARG ROCKY_MIRROR_URLS
+
+RUN if [[ ${ROCKY_USE_MIRRORS} != "false" ]]; then \
+    dnf -y install 'dnf-command(config-manager)' && \
+    mkdir /tmp/orig_repos && cp -f /etc/yum.repos.d/*.repo /tmp/orig_repos/ && \
+    dnf config-manager --set-disabled '*' && \
+    for REPO_URL in $( echo ${ROCKY_MIRROR_URLS} | sed 's/,/ /g'); do \
+        dnf config-manager --add-repo ${REPO_URL}; done && \
+    dnf --allowerasing -y distro-sync; fi
 
 RUN dnf group install -y 'Minimal Install' --allowerasing && \
     dnf install -y findutils util-linux cloud-init