new new

README.md

@@ -1,3 +1,27 @@
 # README
 
+## Rocky Linux 9 generic ARM64/Aarch64 images
+
+### SSH
+
+SSH is enabled on port `22`. Logging-in as **`root` is disabled**, but you can login as user `rocky`.
+
+### User credentials
+
+```
+username: rocky
+password: rockylinux (you will be forced to change this)
+```
+
+```
+username: root
+password: <disabled>
+```
+
+### Expanding the rootfs
+
+`sudo /usr/local/bin/expand-rootfs.sh`
+
+## OTHER
+
 **Kickstart syntax reference**: https://docs.fedoraproject.org/en-US/fedora/f36/install-guide/appendixes/Kickstart_Syntax_Reference/

Rocky-9-aarch64-minimal.ks

@@ -1,5 +1,5 @@
-%include includes/.rocky-9-repos.ksi
 %include includes/base-config.ksi
 %include includes/disk-layout.ksi
 %include includes/package-list.ksi
 %include includes/post-install.ksi
+%include includes/rocky-9-repos.ksi

create-image.sh

@@ -23,6 +23,20 @@ appliance-creator \
     2> Rocky-9-aarch64-minimal.stderr.log
 
 if [[ -f "${APPLIANCE_NAME}-sda.raw" ]]; then
-    mv "${APPLIANCE_NAME}-sda.raw" "${APPLIANCE_NAME}.raw"
+    set -x
-    chown -v "${REAL_USER}:${REAL_USER}" "${APPLIANCE_NAME}*"
+
+    IMAGE_NAME="${APPLIANCE_NAME}-$(date +%Y.%m.%d).raw"
+    COMPRESSED_IMAGE_NAME="${IMAGE_NAME}.zst"
+
+    touch "${APPLIANCE_NAME}-sda.raw"
+    mv "${APPLIANCE_NAME}-sda.raw" "${IMAGE_NAME}"
+    zstd -9 -z "${IMAGE_NAME}"
+
+    sha256sum "${IMAGE_NAME}" > "${IMAGE_NAME}.sha256"
+    sha512sum "${IMAGE_NAME}" > "${IMAGE_NAME}.sha512"
+
+    sha256sum "${COMPRESSED_IMAGE_NAME}" > "${COMPRESSED_IMAGE_NAME}.sha256"
+    sha512sum "${COMPRESSED_IMAGE_NAME}" > "${COMPRESSED_IMAGE_NAME}.sha512"
+
+    chown -v "${REAL_USER}:${REAL_USER}" "${IMAGE_NAME}*"
 fi

includes/base-config.ksi

@@ -6,6 +6,6 @@ skipx # disable X by default
 timezone UTC
 selinux --enforcing
 firewall --enabled --service=sshd
-network --bootproto=dhcp --onboot=on
+network --device=link --activate --bootproto=dhcp --onboot=on
 bootloader --location=mbr --boot-drive=sda
 shutdown # power-off after the installation completes

includes/package-list.ksi

@@ -22,6 +22,7 @@ uboot-tools
 bash-completion
 chrony
 cloud-utils-growpart
+e2fsprogs
 glibc-langpack-en
 nano
 net-tools

includes/post-install.ksi

@@ -74,7 +74,55 @@ GRUB_ENABLE_BLSCFG="false"
 EOF
 chmod 644 /etc/default/grub
 
+# The script that expands root partition
+mkdir -v /usr/local/bin
+cat << EOF > /usr/local/bin/expand-rootfs.sh
+#!/usr/bin/env bash
+
+ROOT_DEVICE=$(mount | grep '/ ' | awk '{print $1}') # "/dev/sda3"
+DISK_NAME="/dev/$(lsblk -ls "${ROOT_DEVICE}" | tail -n 1 | awk '{print $1}')" # "/dev/sda"
+CUT_LENGTH=$(( ${#DISK_NAME} + 1 )) # how much to cut from "/dev/sda3" to get "3"
+if [[ "${DISK_NAME}" =~ "nvme" || "${DISK_NAME}" =~ "mmcblk" ]]; then
+    # Add an extra character to cut since NVMe and MMC-block devices
+    # have a partition number _after_ a 'p'
+    CUT_LENGTH=$(( CUT_LENGTH + 1 ))
+fi
+PARTITION_NUMBER=$(echo "${ROOT_DEVICE}" | cut -c "${CUT_LENGTH}-") # get "3" from "/dev/sda3"
+
+if [[ -z "${ROOT_DEVICE}" || -z "${DISK_NAME}" || -z "${CUT_LENGTH}" || -z "${PARTITION_NUMBER}" ]]; then
+    >&2 echo "$0: error: unable to detect root device"
+    exit 1
+fi
+
+if ! command -v growpart > /dev/null; then
+    >&2 echo "$0: error: unable to find command 'growpart'"
+    exit 1
+fi
+
+if ! command -v resize2fs > /dev/null; then
+    >&2 echo "$0: error: unable to find command 'resize2fs'"
+    exit 1
+fi
+
+if [[ ${EUID} -ne 0 || ${UID} -ne 0 ]]; then
+    >&2 echo "$0: error: please run this script as root"
+    exit 1
+fi
+
+set -x
+growpart "${DISK_NAME}" "${PARTITION_NUMBER}"
+resize2fs "${ROOT_DEVICE}"
+EOF
+chmod +x /usr/local/bin/expand-rootfs.sh
+
 # Rebuild the RPM database
 rpm --rebuilddb
 
+# Remove 'ifcfg-link' on generated images
+rm -f /etc/sysconfig/network-scripts/ifcfg-link
+
+# The 'machine-id' needs to be unique for each machine so remove ours to prevent duplication
+rm -f /etc/machine-id
+touch /etc/machine-id
+
 %end