diff options
| -rwxr-xr-x | vm-images/create_coreos_vm.sh | 55 | ||||
| -rw-r--r-- | vm-images/fcos_test.bu | 20 |
2 files changed, 75 insertions, 0 deletions
diff --git a/vm-images/create_coreos_vm.sh b/vm-images/create_coreos_vm.sh new file mode 100755 index 0000000..03ac937 --- /dev/null +++ b/vm-images/create_coreos_vm.sh @@ -0,0 +1,55 @@ +#!/bin/bash +# +# SPDX-License-Identifier: GPL-2.0-or-later +# +# create_coreos_vm.sh: Create a Fedora CoreOS VM for testing with libvirt. +# The VM can be accessed using user: coreos password: test +# +# Copyright (c) 2023 Red Hat GmbH +# Author: Alice Frosi <afrosi@redhat.com> + +BUTANE_CONFIG="fcos_test.bu" +IGNITION_CONFIG=$(pwd)/"fcos_test.ign" +VM_NAME="fcos-test" +VCPUS="2" +RAM_MB="2048" +STREAM="stable" +DISK_GB="10" +IMAGE_PREFIX="fedora-coreos-" + +IGNITION_DEVICE_ARG=(--qemu-commandline="-fw_cfg name=opt/com.coreos/config,file=${IGNITION_CONFIG}") +URL=https://builds.coreos.fedoraproject.org/streams/stable.json +URL_IMAGES=https://builds.coreos.fedoraproject.org/prod/streams/stable/builds/38.20230609.3.0/x86_64 +LAST_RELEASE=$(curl -s $URL| jq '.architectures.x86_64[].qemu.release| select( . != null )' |tr -d "\"") +IMAGE_NAME=${IMAGE_PREFIX}${LAST_RELEASE}-qemu.x86_64.qcow2 +LIBVIRT_IMAGES=$HOME/.local/share/libvirt/images +IMAGE=${LIBVIRT_IMAGES}/${IMAGE_NAME} + +set -e + +# Don't execute the script if VM is still exists in libvirt +if virsh list --all | grep ${VM_NAME} ; then + echo "VM ${VM_NAME} still exists" + exit 0 +fi + +# Avoid to download the image if it is already present locally +if [ ! -f "${IMAGE}" ] ; then + podman run --pull=always --rm -v ${LIBVIRT_IMAGES}:/data -w /data \ + quay.io/coreos/coreos-installer:release \ + download -s "${STREAM}" -p qemu -f qcow2.xz --decompress +fi + +# Create ignition file from butane config +podman run --interactive --rm --security-opt label=disable \ + --volume $(pwd):/pwd --workdir /pwd quay.io/coreos/butane:release \ + --pretty --strict ${BUTANE_CONFIG=} > ${IGNITION_CONFIG} + +# Setup the correct SELinux label to allow access to the config +chcon --verbose --type svirt_home_t ${IGNITION_CONFIG} + +# Install the VM +virt-install --name="${VM_NAME}" --vcpus="${VCPUS}" --memory="${RAM_MB}" \ + --os-variant="fedora-coreos-$STREAM" --import --graphics=none \ + --disk="size=${DISK_GB},backing_store=${IMAGE}" \ + --network bridge=virbr0 "${IGNITION_DEVICE_ARG[@]}" diff --git a/vm-images/fcos_test.bu b/vm-images/fcos_test.bu new file mode 100644 index 0000000..70edd1e --- /dev/null +++ b/vm-images/fcos_test.bu @@ -0,0 +1,20 @@ +variant: fcos +version: 1.4.0 +passwd: + users: + - name: core + # password: test + password_hash: "$y$j9T$MvL4tZ2JgfWZEaO4SFuMF0$tHtlfyp.LoPRrMrGAaNV8pvC5u62R8dicPnT0Z9LW65" + groups: + - wheel + - sudo +storage: + files: + - path: /etc/ssh/sshd_config.d/20-enable-passwords.conf + mode: 0644 + contents: + inline: | + # Fedora CoreOS disables SSH password login by default. + # Enable it. + # This file must sort before 40-disable-passwords.conf. + PasswordAuthentication yes |