x-build-image

#!/bin/bash
#
# Build Fedora image

if [ "$#" -ne 1 ]; then
        echo "Usage: x build-image <name>"
        exit 1
fi

. $HOME/.x-tools

export DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. $DIR/common

USER=$(whoami)
if [ "$USER" == "root" ]; then
	echo "Please don't run this script as root, exiting ..."
	exit
fi

VNAME=$1

if [ -f "$X_BI_DIR/$VNAME.img" ]; then
	echo "$X_BI_DIR/$VNAME.img is already exist, exiting ..."
	exit
fi

APP_LINE="/etc/fstab:host0 $X_BI_MOUNT 9p x-systemd.automount,x-systemd.device-timeout=10,trans=virtio,version=9p2000.L,rw 0 0"
PKG_TO_INSTAL="rdma-core-devel,libibverbs-utils,openssh,vim,pciutils,nfs-utils,infiniband-diags"
get_image_type $VNAME

IMAGE_TYPE=$REPLY
FIRSTBOOT_CMD=""
if [ "$IMAGE_TYPE" == "ib" ]; then
	PKG_TO_INSTAL=$PKG_TO_INSTAL",opensm"
	FIRSTBOOT_CMD="--firstboot-command 'systemctl enable opensm' --firstboot-command 'systemctl start opensm'"
fi

if [ -f "$HOME/.ssh/id_rsa.pub" ]; then
	SSHDIR=$(mktemp -d)
	cp $HOME/.ssh/id_rsa.pub $SSHDIR/
	SSH_INJECT="root:file:$SSHDIR/id_rsa.pub"
else
	if [ -f "$HOME/.ssh/id_dsa.pub" ]; then
		SSHDIR=$(mktemp -d)
		cp $HOME/.ssh/id_dsa.pub $SSHDIR/
		SSH_INJECT="root:file:$SSHDIR/id_dsa.pub"
	else
		echo "No ssh keys for $USER, exiting ..."
		exit
	fi
fi

export LIBGUESTFS_BACKEND=direct
export LIBGUESTFS_BACKEND_SETTINGS=network_bridge=br0
sudo virt-builder fedora-27 -o $X_BI_DIR/$VNAME.img \
	--root-password password:$X_BI_PASSWORD \
	--hostname $VNAME --install $PKG_TO_INSTAL \
	--cache $X_BI_VM_CACHE/ -m 8096 \
	--selinux-relabel --size 6G \
	--append-line "$APP_LINE" \
	--mkdir $X_BI_MOUNT --ssh-inject "$SSH_INJECT" \
	--ssh-inject root --update \
	--copy-in $DIR/systemd/journald.conf:/etc/systemd/ \
	--copy-in $DIR/systemd/system.conf:/etc/systemd/ \
	$FIRSTBOOT_CMD

GROUP=$(groups | awk '{print $1}')
sudo chown $USER:$GROUP $X_BI_DIR/$VNAME.img
rm -rf $SSHDIR

qemu_location $VNAME
QEMU_BIN=$REPLY

# Start prepared image to execute firstboot directives
$QEMU_BIN -machine accel=kvm:tcg -cpu host -smp cpus=2 -m 8096 -drive file=$X_BI_DIR/$VNAME.img,format=raw,if=virtio \
	-no-reboot -nographic -net bridge,br=br0 -net nic,model=virtio,macaddr=00:50:56:1b:c6:05 \
	-virtfs local,path=$X_BI_MOUNT,mount_tag=host0,security_model=passthrough,id=host0