Add ipxe support

scripts/package

@@ -32,6 +32,30 @@ isoinfo -x /rootfs.squashfs -R -i build/output.iso > build/output.squashfs
 isoinfo -x /boot/kernel.xz -R -i build/output.iso > build/output-kernel
 isoinfo -x /boot/rootfs.xz -R -i build/output.iso > build/output-initrd
 
+
+RELEASE_URL=${RELEASE_URL:-https://github.com/rancher/os/releases/download}
+INSTALL_CFG=${RELEASE_URL}/${VERSION}/example-cloud-init
+PXE_ASSET_VERSION="\${version}-\${arch}"
+if [ "${TAG}" = "dev" ]; then
+    RELEASE_URL=tftp://10.0.2.2
+    INSTALL_CFG=
+    VERSION=${TAG}
+    PXE_ASSET_VERSION=${TAG}
+fi
+
+cat > build/output.ipxe << EOF
+#!ipxe
+set arch ${ARCH}
+set version ${VERSION}
+set url ${RELEASE_URL}/\${version}
+set kernel rancheros-${PXE_ASSET_VERSION}-kernel
+set initrd rancheros-${PXE_ASSET_VERSION}-initrd
+set rootfs rancheros-${PXE_ASSET_VERSION}.squashfs
+kernel \${url}/\${kernel} initrd=\${initrd} ip=dhcp rd.cos.disable root=live:\${url}/\${rootfs} rancheros.install.automatic=true rancheros.install.config_url=\${config} console=tty1 console=ttyS0
+initrd \${url}/\${initrd}
+boot
+EOF
+
 mkdir -p dist/artifacts
 for i in build/output*; do
     mv -f $i dist/artifacts/rancheros-${TAG}${i##build/output}

scripts/run

@@ -11,10 +11,34 @@ fi
 touch meta-data
 touch user-data
 rm -f seed.iso
-genisoimage -output seed.iso -volid cidata -joliet -rock user-data meta-data
+mkisofs -output seed.iso -volid cidata -joliet -rock user-data meta-data
+BOOT=
+
+if [ "$1" = "pxe" ]; then
+    shift 1
+    if [ ! -e ipxe.cfg ]; then
+        if [ ! -e ../dist/artifacts/rancheros-dev.ipxe ]; then
+            make -C .. package
+        fi
+        if [ -e ../dist/artifacts/rancheros-dev.ipxe ]; then
+            cp ../dist/artifacts/rancheros-dev.ipxe ipxe.cfg
+        fi
+    fi
+    BOOT="-boot cn"
+
+    if [ ! -e dev ]; then
+        ln -s ../dist/artifacts dev
+    fi
+fi
+
+
+if [ "$1" == "" ] && [ ! -e output.iso ]; then
+    make -C .. build iso
+fi
 
     #-bios /usr/share/qemu/OVMF.fd \
 qemu-system-x86_64 \
+    $BOOT \
     -enable-kvm \
     -m ${MEMORY:=4096} \
     -machine accel=${ACCEL:="kvm"} \
@@ -23,6 +47,7 @@ qemu-system-x86_64 \
     -serial mon:stdio \
     -rtc base=utc,clock=rt \
     -chardev socket,path=qga.sock,server,nowait,id=qga0 \
+    -nic user,tftp=./,bootfile=/ipxe.cfg \
     -device virtio-serial \
     -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 \
     -drive if=virtio,media=disk,file=disk.img \