libvirt: support aarch64 arch VM

Get correct yq package name and specify virt machine type for aarch64.

Signed-off-by: Tao Xu <tao.xu@arm.com>
Reviewed-by: Seunguk Shin <seunguk.shin@arm.com>
Reviewed-by: Nick Connolly <nick.connolly@arm.com>

src/cloud-api-adaptor/libvirt/config_libvirt.sh

@@ -11,7 +11,13 @@ set -o pipefail
 
 source /etc/os-release || source /usr/lib/os-release
 ARCH=$(uname -m)
-TARGET_ARCH=${ARCH/x86_64/amd64}
+if [[ "${ARCH}" == "x86_64" ]]; then
+    TARGET_ARCH=amd64
+elif [[ "${ARCH}" == "aarch64" ]]; then
+    TARGET_ARCH=arm64
+else
+    TARGET_ARCH=${ARCH}
+fi
 OS_DISTRO=ubuntu
 if [[ "$ID" == "rhel" || "$ID" == "centos" || "$ID" == "fedora" ]]; then
     OS_DISTRO=rhel

src/cloud-api-adaptor/libvirt/kcli_cluster.sh

@@ -61,6 +61,10 @@ create () {
 			-P arch=$ARCH \
 			-P multus=false \
 			-P autolabeller=false "
+	elif [[ ${TARGET_ARCH} == "aarch64" ]]; then
+		parameters="$parameters \
+			-P arch=$ARCH \
+			-P machine=virt"
 	fi
 	echo "Download $CLUSTER_IMAGE ${TARGET_ARCH} image"
 	# kcli support download image with archs: 'x86_64', 'aarch64', 'ppc64le', 's390x'