Add example script to help build airgapped package repo

scripts/gen-deps-repo.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+# SUSE Edge Image Builder RPM Dependency Script
+# ONLY FOR TESTING
+
+# NOTE: Please place any user-provided RPM's into /tmp/eib/rpms/ first
+
+# Clean up any previous variables
+unset PKG_LIST
+unset ISO_PATH
+unset ADD_REPO
+
+# Set the location of your SLE Micro SelfInstall ISO on the filesystem
+#ISO_PATH=/path/to/SLE-Micro.x86_64-5.5.0-Default-SelfInstall-GM.install.iso
+
+# Provide a list of packages that you want to install from SUSE repositories
+PKG_LIST="nvidia-open-driver-G06-signed-kmp-default lshw hwdata"
+
+# Provide a list of additional repos to add to the dependency solver
+ADD_REPO=""
+
+# Specify your SUSE registration code for pulling SUSE packages
+REG_CODE="XXXX-XXXX-XXXX"
+
+# Make sure that the existing repo is clean
+rm -rf /tmp/eib/repo/
+
+# Make temporary eib work-dir and separate for user-provided rpms
+mkdir -p /tmp/eib
+mkdir -p /tmp/eib/rpms
+mkdir -p /tmp/eib/root
+mkdir -p /tmp/eib/repo
+
+# Copy the path to the original ISO to /tmp
+cp $ISO_PATH /tmp/eib/SLE-Micro-original.iso
+
+# Extract the contents of the ISO and extract the raw squashfs
+xorriso -osirrox on -indev /tmp/eib/SLE-Micro-original.iso extract / /tmp/eib/iso-root/
+cd /tmp/eib/iso-root/
+unsquashfs /tmp/eib/iso-root/SLE-Micro.raw.squashfs
+
+# Find the image offset of the rootfs on the raw image
+cd squashfs-root
+sector=$(/usr/sbin/fdisk -l SLE-Micro.raw | awk '/raw3/ {print $2};')
+offset=$(($sector * 512))
+
+# Mount the raw disk image locally to use as a baseline for rpm database
+sudo mount -o loop,offset=$offset SLE-Micro.raw /tmp/eib/root
+
+# Mount the /var btrfs subvolume into the rootfs
+loopdev=$(lsblk | awk '/eib/ {print $1};')
+sudo mount /dev/$loopdev -o subvol=@/var /tmp/eib/root/var
+
+# Make the btrfs filesystem read-write on the raw disk image
+cd /tmp/eib/root
+sudo systemd-nspawn btrfs property set / ro false
+
+# Copy the rpms directory locally in the image and make directory for extract
+sudo mkdir -p /tmp/eib/root/eib-rpms
+sudo mkdir -p /tmp/eib/root/eib-repo
+sudo cp /tmp/eib/rpms/* /tmp/eib/root/eib-rpms/
+
+# Append local RPM's to package list and modify directory location
+PKG_LIST="$PKG_LIST $(find /tmp/eib/rpms -type f)"
+PKG_LIST=$(sed 's|/tmp/eib/rpms/|/eib-rpms/|g' <<< "$PKG_LIST")
+
+# Make sure that the package list is not empty before proceeding
+if [ ${#PKG_LIST} == 1 ];
+then
+	echo "[ERROR] Package list is empty, and didn't discover any user RPM's"
+	exit 22
+fi
+
+# Get SLE15 Service Pack number so we enable PackageHub properly
+SLE_SP=$(cat /tmp/eib/root/etc/rpm/macros.sle | awk '/sle/ {print $2};' | cut -c4)
+
+# Download required packages into the /mnt/eib-repo directory via systemd-nspawn
+sudo systemd-nspawn --pipe << EOF
+suseconnect -r $REG_CODE
+suseconnect -p PackageHub/15.$SLE_SP/x86_64
+zypper ref
+counter=1
+for i in $ADD_REPO;
+do
+	# Add the additional repositories specified by the user
+	zypper ar -f \$i addrepo\$counter
+	counter=\$((counter+1))
+done
+zypper --pkg-cache-dir /eib-repo/ --no-gpg-checks install -y \
+	--download-only --force-resolution --auto-agree-with-licenses \
+	--allow-vendor-change -n $PKG_LIST
+
+# Check if the zypper command executed successfully
+if [ "\$?" == 0 ];
+then
+	# This enables already installed packages to force
+	# repo generation later, or if there are no additional
+	# dependencies required for user-specified rpms
+	touch /eib-repo/zypper-success
+fi
+suseconnect -d
+EOF
+
+# Copy the RPM's out from the repo created in the container
+cp -rf /tmp/eib/root/eib-repo/* /tmp/eib/repo
+
+# Clean up the resources created during the dependency process
+cd /tmp
+sudo umount /tmp/eib/root/var
+sudo umount /tmp/eib/root
+sudo rm -rf /tmp/eib/iso-root /tmp/eib/root /tmp/eib/SLE-Micro-original.iso
+
+# Check if there has been a failure in the dependency retrieval
+if [ ! -z "$PKG_LIST" ] && [ -z "$(ls -A /tmp/eib/repo)" ];
+then
+	# PKG_LIST is not empty and the repo directory is empty
+	echo "[ERROR] Dependency retrieval unsuccessful, exiting..."
+	exit 126
+else
+	# PKG_LIST is not empty and we have packages in the repo
+	echo "[INFO] Dependency retrieval successful."
+
+	# Copy in the locally specified RPM's
+	mkdir -p /tmp/eib/repo/local
+	cp /tmp/eib/rpms/* /tmp/eib/repo/local/.
+
+	# Run createrepo so we can add this to the Combustion phase
+	/usr/bin/createrepo /tmp/eib/repo
+	echo "[SUCCESS] Repository successfully created at /tmp/eib/repo."
+
+	# Strip the path and extension from the list of rpms
+	PKG_LIST=$(sed 's|/eib-rpms/||g' <<< "$PKG_LIST")
+	PKG_LIST=$(sed 's|.rpm||g' <<< "$PKG_LIST")
+	echo $PKG_LIST > /tmp/eib/repo/package-list.txt
+	exit 0
+fi