From 1acf6afd66c2d7e9a8a5bff42fd1484187d58426 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Sp=C3=B6hel?= <simon@spoehel.ch>
Date: Wed, 23 Aug 2023 15:39:17 +0200
Subject: Basic unifid start.

---
 libexec/container/build |   1 -
 libexec/container/start | 105 +++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 99 insertions(+), 7 deletions(-)

(limited to 'libexec/container')

diff --git a/libexec/container/build b/libexec/container/build
index efb42f3..5927308 100755
--- a/libexec/container/build
+++ b/libexec/container/build
@@ -267,7 +267,6 @@ sed	-e "s|@CNT_AUTO@|${CNT_AUTO}|g" \
 	-e "s|@BIND_RO@|${BIND_RO}|g" \
 	-e "s|@BOOT@|yes|g" \
 	-e "s|@CAPABILITY@|${CAPABILITY}|g" \
-	-e "s|@DIRECTORY@|${MACHINES}/${NAME}|g" \
 	-e "s|@DROP_CAPABILITY@|${DROP_CAPABILITY}|g" \
 	-e "s|@LINK_JOURNAL@|no|g" \
 	-e "s|@MACHINE@|${NAME}|g" \
diff --git a/libexec/container/start b/libexec/container/start
index 1f22325..2287bd1 100755
--- a/libexec/container/start
+++ b/libexec/container/start
@@ -27,6 +27,7 @@ COMMAND="$(basename ${0})"
 CONFIG="/etc/${SOFTWARE}/config"
 HOOKS="/etc/${SOFTWARE}/hooks"
 MACHINES="/var/lib/machines"
+VMS="/srv/container/vms"
 
 START="false"
 SYSTEMCTL="true"
@@ -128,9 +129,9 @@ case "${NAME}" in
 		;;
 esac
 
-if [ ! -e "${MACHINES}/${NAME}" ]
+if [ ! -e "${MACHINES}/${NAME}" ] && [ ! -e "${VMS}/${NAME}" ]
 then
-	echo "'${NAME}': no such container" >&2
+	echo "'${NAME}': no such vm or container" >&2
 	exit 1
 fi
 
@@ -175,7 +176,13 @@ then
 fi
 
 HOST_ARCHITECTURE="$(dpkg --print-architecture)"
-MACHINE_ARCHITECTURE="$(chroot ${MACHINES}/${NAME} dpkg --print-architecture)"
+# FIXME: MACHINE_ARCHITECTURE in config?
+case "BOOT_METHOD" in
+	systemd-nspawn)
+		MACHINE_ARCHITECTURE="$(chroot ${MACHINES}/${NAME} dpkg --print-architecture)"
+		;;
+esac
+
 
 case "${HOST_ARCHITECTURE}" in
 	amd64)
@@ -377,6 +384,57 @@ then
 			;;
 	esac
 
+	BOOT_METHOD="$(awk -Fboot-method= '/^boot-method=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	MEMORY="-m $(awk -Fvm.memory= '/^vm.memory=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	FIRMWARE="$(awk -Fvm.firmware= '/^vm.firmware=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	CPU="-cpu $(awk -Fvm.cpu= '/^vm.cpu=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	DISPLAY="-display $(awk -Fvm.display= '/^vm.display=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	SERIAL="-serial $(awk -Fvm.serial= '/^vm.serial=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	MONITOR="-mon $(awk -Fvm.monitor= '/^vm.monitor=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+	DRIVES="$(awk -Fvm.drive= '/^vm.drive=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	case "${DRIVES}" in
+		"")
+			;;
+
+		*)
+			OLDIFS="${IFS}"
+			IFS='
+'
+			for DRIVE_ITEM in ${DRIVES}
+			do
+				DRIVE="${DRIVE} -drive ${DRIVE_ITEM}"
+			done
+			IFS="${OLDIFS}"
+			;;
+	esac
+
+	NETDEVS="$(awk -Fvm.netdev= '/^vm.netdev=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	case "${NETDEVS}" in
+		"")
+			;;
+
+		*)
+			OLDIFS="${IFS}"
+			IFS='
+'
+			for NETDEV_ITEM in ${NETDEVS}
+			do
+				NETDEV="${NETDEV} -netdev ${NETDEV_ITEM}"
+			done
+			IFS="${OLDIFS}"
+			;;
+	esac
+
+	DIRECTORY="$(awk -Fdirectory= '/^directory=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo ${MACHINES}/${NAMES})"
+	DIRECTORY="--directory ${DIRECTORY}"
+
+	RAW_OPTIONS="$(awk -Fraw-options= '/^raw-options=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+	# FIXME empty
+
+	MACHINE="-name ${NAME}"
+
+
 	NETWORK_BRIDGES="$(awk -Fcnt.network-bridge= '/^cnt.network-bridge=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
 
 	case "${NETWORK_BRIDGES}" in
@@ -519,11 +577,21 @@ EOF
 		TASKS_MAX="TasksMax=${TASKS_MAX}"
 		SET_PROPERTY="true"
 	fi
+
+	DIRECTORY="$(awk -Fdirectory= '/^directory=/ { print $2 }' ${CONFIG}/${NAME}.conf || echo ${MACHINES}/${NAMES})"
 fi
 
 case "${SYSTEMCTL}" in
 	true)
-		systemctl start ${PROGRAM}@${NAME}.service
+		case "${BOOT_METHOD}" in
+			qemu)
+				systemctl start qemu@${NAME}.service
+				;;
+
+			systemd-nspawn)
+				systemctl start ${PROGRAM}@${NAME}.service
+				;;
+		esac
 
 		# Post hooks
 		for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
@@ -540,6 +608,7 @@ esac
 
 case "${START}" in
 	true)
+
 		case "${SET_PROPERTY}" in
 			true)
 				systemctl --runtime set-property ${NAME} ${BLOCK_IO_DEVICE_WEIGHT} ${BLOCK_IO_READ_BANDWIDTH} ${BLOCK_IO_WEIGHT} ${BLOCK_IO_WRITE_BANDWIDTH} ${CPU_QUOTA} ${CPU_SHARES} ${MEMORY_LIMIT} ${TASKS_MAX}
@@ -552,14 +621,38 @@ case "${START}" in
 
 		case "${VERBOSE}" in
 			true)
-				echo -n "Starting container ${NAME}..."
+				echo -n "Starting ${NAME} with ${BOOT_METHOD}..."
 				;;
 		esac
 
 		mkdir -p "/var/lib/${SOFTWARE}/state"
 		echo "start" > "/var/lib/${SOFTWARE}/state/${NAME}.run"
 
-		${SETARCH} systemd-nspawn --keep-unit ${BIND} ${BIND_RO} ${BOOT} ${CAPABILITY} ${DIRECTORY} ${DROP_CAPABILITY} ${MACHINE} ${NETWORK_VETH_EXTRA} ${LINK_JOURNAL} ${REGISTER}
+		case "${BOOT_METHOD}" in
+			qemu)
+				case "${FIRMWARE}" in
+					efi)
+						BIOS="-bios ${DIRECTORY}/firmware.fd"
+						;;
+				esac
+
+				qemu-system-x86_64 \
+					-machine  accel=kvm \
+					${CPU} \
+					${DISPLAY} \
+					${MEMORY} \
+					${MACHINE} \
+					${BIOS} \
+					${SERIAL} \
+					${DRIVE} \
+					${NETDEV} \
+					${RAW_OPTIONS}
+				;;
+
+			systemd-nspawn)
+				${SETARCH} systemd-nspawn --keep-unit ${BIND} ${BIND_RO} ${BOOT} ${CAPABILITY} ${DIRECTORY} ${DROP_CAPABILITY} ${MACHINE} ${NETWORK_VETH_EXTRA} ${LINK_JOURNAL} ${REGISTER}
+				;;
+		esac
 
 		case "${VERBOSE}" in
 			true)
-- 
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