feat: add precedent image lists into iso image

This will add all the previous versions' published image lists into
the ISO image according to the upgrade matrix file in harvester repo

Signed-off-by: Zespre Chang <[email protected]>

scripts/archive-images-lists.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env sh
+set -e
+
+UPGRADE_MATRIX_FILE=$1
+IMAGES_LISTS_DIR=$2
+RANCHERD_IMAGES_DIR=$3
+IMAGES_LISTS_ARCHIVE_DIR=$4
+
+WORKING_DIR=$(mktemp -d)
+
+if [ ! -e "$UPGRADE_MATRIX_FILE" ]; then
+  echo "Could not find $UPGRADE_MATRIX_FILE, skip it"
+  exit 0
+fi
+
+# Add all the current version's images lists
+mkdir -p "$IMAGES_LISTS_ARCHIVE_DIR"/current
+find $IMAGES_LISTS_DIR -name "*.txt" -exec cat {} \; >> "$IMAGES_LISTS_ARCHIVE_DIR"/current/image_list_all.txt
+find $RANCHERD_IMAGES_DIR -name "*.txt" -exec cat {} \; >> "$IMAGES_LISTS_ARCHIVE_DIR"/current/image_list_all.txt
+cat "$IMAGES_LISTS_ARCHIVE_DIR"/current/image_list_all.txt | sort | uniq | tee "$IMAGES_LISTS_ARCHIVE_DIR"/current/image_list_all.txt
+
+# Add all the previous versions' images lists
+previous_versions=$(yq e ".versions[].name" "$UPGRADE_MATRIX_FILE" | xargs)
+for prev_ver in $(echo "$previous_versions"); do
+  ret=0
+
+  echo "Fetching $prev_ver image lists..."
+
+  mkdir "$WORKING_DIR"/"$prev_ver"
+
+  curl -fL https://releases.rancher.com/harvester/"$prev_ver"/image-lists.tar.gz -o "$WORKING_DIR"/image-lists.tar.gz || ret=$?
+  if [ "$ret" -ne 0 ]; then
+    echo "Cannot download image list tarball for version $prev_ver, skip it"
+    continue
+  fi
+  tar -zxvf "$WORKING_DIR"/image-lists.tar.gz -C "$WORKING_DIR"/"$prev_ver"/
+
+  prev_image_list="$WORKING_DIR"/image_list_all.txt
+  cat "$WORKING_DIR"/"$prev_ver"/image-lists/*.txt | sort | uniq > "$prev_image_list"
+
+  mkdir -p "$IMAGES_LISTS_ARCHIVE_DIR"/"$prev_ver"
+  cp -a "$prev_image_list" "$IMAGES_LISTS_ARCHIVE_DIR"/"$prev_ver"/
+
+  rm -rf "$WORKING_DIR"/*
+done

scripts/package-harvester-os

@@ -36,6 +36,9 @@ kubevirt: ${HARVESTER_KUBEVIRT_VERSION}
 minUpgradableVersion: '${HARVESTER_MIN_UPGRADABLE_VERSION}'
 EOF
 
+# Collect all the previous versions' image lists
+${SCRIPTS_DIR}/archive-images-lists.sh "${TOP_DIR}/../harvester/package/upgrade-matrix.yaml" "${IMAGES_LISTS_DIR}" "${RANCHERD_IMAGES_DIR}" "${BUNDLE_DIR}/harvester/images-lists-archive"
+
 # Collect dependencies' versions
 ${SCRIPTS_DIR}/collect-deps.sh harvester-release.yaml