release: add basic cloudinit images

Provide both zfs and ufs images which a 1MB partition reserved for the
config drive wearing a GPT Label "config-drive" to allow consumer to
know where they should push the config drive on the provided image.

2 formats available: qcow2 and raw

This has been tested on OVHCloud baremetal via "bring your own image"
Also tested on openstack

Reviewed by:		emaste
Sponsored by:		OVHCloud
Differential Revision:		https://reviews.freebsd.org/D44369

release/Makefile.vm

@@ -19,6 +19,7 @@ RAW_DESC=	Unformatted raw disk image
 
 CLOUDWARE_TYPES?= AZURE \
 		BASIC-CI \
+		BASIC-CLOUDINIT \
 		EC2 \
 		GCE \
 		OCI \
@@ -29,6 +30,9 @@ AZURE_DESC=	Microsoft Azure platform image
 BASIC-CI_FORMAT=	raw
 BASIC-CI_FSLIST?=	ufs
 BASIC-CI_DESC=		Image for CI
+BASIC-CLOUDINIT_FORMAT=	raw qcow2
+BASIC-CLOUDINIT_FSLIST?=	ufs zfs
+BASIC_CLOUDINIT_DESC?=	Images for VM with cloudinit disk config support
 EC2_FORMAT=	raw
 EC2_FSLIST?=	ufs zfs
 EC2_FLAVOURS?=	BASE CLOUD-INIT

release/tools/basic-cloudinit.conf

@@ -0,0 +1,36 @@
+#!/bin/sh
+#
+#
+
+# Should be enough for base image, image can be resized in needed
+export VMSIZE=5g
+
+# 1M config drive should be enough in most cases
+export CONFIG_DRIVE=YES
+export CONFIG_DRIVE_SIZE=1M
+
+# Set to a list of third-party software to enable in rc.conf(5).
+export VM_RC_LIST="sshd growfs nuageinit"
+
+vm_extra_pre_umount() {
+	cat << EOF >> ${DESTDIR}/etc/rc.conf
+dumpdev="AUTO"
+ifconfig_DEFAULT="DHCP"
+sshd_enable="YES"
+EOF
+
+	cat << EOF >> ${DESTDIR}/boot/loader.conf
+autoboot_delay="-1"
+beastie_disable="YES"
+loader_logo="none"
+console="comconsole,vidconsole"
+EOF
+    cat <<EOF >> ${DESTDIR}/etc/ssh/sshd_config
+PasswordAuthentication yes
+UsePAM no
+EOF
+
+	touch ${DESTDIR}/firstboot
+
+	return 0
+}

release/tools/vmimage.subr

@@ -239,6 +239,10 @@ vm_create_disk() {
 		BOOTPARTSOFFSET=":${VM_BOOTPARTSOFFSET}"
 	fi
 
+	if [ -n "${CONFIG_DRIVE}" ]; then
+		CONFIG_DRIVE="-p freebsd/config-drive::${CONFIG_DRIVE_SIZE}"
+	fi
+
 	case "${VMFS}" in
 	ufs)
 		FSPARTTYPE=freebsd-ufs
@@ -312,6 +316,7 @@ vm_create_disk() {
 	mkimg -s ${PARTSCHEME} -f ${VMFORMAT} \
 		${BOOTPARTS} \
 		${SWAPOPT} \
+		${CONFIG_DRIVE} \
 		${ROOTFSPART} \
 		-o ${VMIMAGE}