Armbian internals: deploy KVM instances

tools/modules/system/module_armbian_kvmtest.sh

@@ -0,0 +1,122 @@
+#declare -A module_options
+module_options+=(
+	["module_armbian_kvmtest,author"]="@igorpecovnik"
+	["module_armbian_kvmtest,feature"]="module_armbian_kvmtest"
+	["module_armbian_kvmtest,desc"]="Deploy Armbian KVM instances"
+	["module_armbian_kvmtest,example"]="install remove help"
+	["module_armbian_kvmtest,port"]=""
+	["module_armbian_kvmtest,status"]="Active"
+	["module_armbian_kvmtest,arch"]=""
+)
+#
+# Module Armbian self hosted Github runners
+#
+function module_armbian_kvmtest () {
+
+	local title="kvmtest"
+	local condition=$(which "$title" 2>/dev/null)
+
+	# read parameters from command install
+	local parameter
+	IFS=' ' read -r -a parameter <<< "${1}"
+	for feature in instances stop; do
+	for selected in ${parameter[@]}; do
+		IFS='=' read -r -a split <<< "${selected}"
+		[[ ${split[0]} == $feature ]] && eval "$feature=${split[1]}"
+		done
+	done
+
+	# default values if not defined	
+	local instances="${instances:-01}"
+	local destination="${destination:-/var/lib/libvirt/images}"
+	local kvmprefix="${kvmprefix:-kvmtest}"
+
+	# we can generate per org or per repo
+	local registration_url="${organisation}"
+	local prefix="orgs"
+	if [[ -n "${owner}" && -n "${repository}" ]]; then
+   		registration_url="${owner}/${repository}"
+    	prefix=repos
+	fi
+
+	# we will mount qcow image
+	modprobe nbd max_part=8
+
+	local commands
+	IFS=' ' read -r -a commands <<< "${module_options["module_armbian_kvmtest,example"]}"
+
+	case "${parameter[0]}" in
+
+		"${commands[0]}")
+			# Install portainer with KVM support
+			# TBD
+
+			# download images
+			tempfolder=$(mktemp -d)
+			qcowimages=(
+				"https://imola.armbian.com/dl/uefi-x86/archive/Armbian_24.11.1_Uefi-x86_noble_current_6.6.60_minimal.img.qcow2.xz"
+				"https://imola.armbian.com/dl/uefi-x86/archive/Armbian_24.11.1_Uefi-x86_bookworm_current_6.6.60_minimal.img.qcow2.xz"
+			)
+			for qcowimage in ${qcowimages[@]}; do
+				curl --progress-bar -L $qcowimage | xz -d > ${tempfolder}/$(basename $qcowimage | sed "s/.xz//g")
+			done
+
+			mounttempfolder=$(mktemp -d)
+			# Deploy several instances
+			for i in $(seq -w 01 $instances); do
+				for qcowimage in ${qcowimages[@]}; do
+					local image=$i-$(basename $qcowimage | sed "s/.xz//g" | cut -d"_" -f4,5) # get image name
+					cp ${tempfolder}/$(basename $qcowimage | sed "s/.xz//g") ${destination}/$i-$(basename $qcowimage | sed "s/.xz//g") # make a copy
+					qemu-img resize ${destination}/$i-$(basename $qcowimage | sed "s/.xz//g") +10G # expand
+					qemu-nbd --connect=/dev/nbd0 ${destination}/$i-$(basename $qcowimage | sed "s/.xz//g") # connect to qemu image
+					printf "fix\n" | sudo parted ---pretend-input-tty /dev/nbd0 print >/dev/null # fix resize
+					mount /dev/nbd0p3 ${mounttempfolder} # 3rd partition on uefi images is rootfs
+					cat ${mounttempfolder}/etc/os-release | grep ARMBIAN_PRETTY_NAME | cut -d"=" -f2 | sed 's/"//g'
+					# commands for changing follows here
+					umount /dev/nbd0p3 # unmount
+					qemu-nbd --disconnect /dev/nbd0 >/dev/null # disconnect from qemu image
+					# install and start VM
+					virt-install \
+					--name ${kvmprefix}-$image \
+					--memory 3072 \
+					--vcpus 4 \
+					--autostart \
+					--disk ${destination}/$i-$(basename $qcowimage | sed "s/.xz//g"),bus=sata \
+					--import \
+					--os-variant ubuntu24.04 \
+					--network bridge=br1 \
+					--noautoconsole
+				done
+			done
+			rm -rf ${tempfolder} ${mounttempfolder}
+		;;
+		"${commands[1]}")			
+			for i in {1..10}; do
+				for j in $(virsh list --all --name | grep ${kvmprefix}); do 
+					virsh shutdown $j 2>/dev/null
+					for snapshot in $(virsh snapshot-list $j | tail -n +3 | head -n -1 | cut -d' ' -f2); do virsh snapshot-delete $j $snapshot; done
+				done				
+				sleep 2
+				if [[ -z "$(virsh list --name | grep ${kvmprefix})" ]]; then break; fi
+			done
+			if [[ $i -lt 10 ]]; then
+				for j in $(virsh list --all --name | grep ${kvmprefix}); do virsh undefine $j; done
+			fi
+		;;
+		"${commands[6]}")
+			echo -e "\nUsage: ${module_options["module_armbian_kvmtest,feature"]} <command>"
+			echo -e "Commands:  ${module_options["module_armbian_kvmtest,example"]}"
+			echo "Available commands:"
+			echo -e "\tinstall\t- Install $title. Parameters:"
+			echo -e "\t\t  gh_token runner_name start stop label_primary label_secondary organisation owner repository"
+			echo -e "\t\t  organisation and owner + repository are mutually exclusive"
+			echo -e "\tremove\t- Remove $title."
+			echo -e "\tstatus\t- Installation status $title."
+			echo
+		;;
+		*)
+			${module_options["module_armbian_kvmtest,feature"]} ${commands[6]}
+		;;
+	esac
+}
+#module_armbian_kvmtest $1 "$2" "$3" "$4" "$5" "$6" "$7" "$8" "$9" "$10"