PXE boot over http

config.yaml

@@ -1,2 +1,3 @@
-dhcp:
+server:
     tftpIp: 10.0.0.3
+    httpUrl: http://10.0.0.3:8000

templates/boot.ipxe

@@ -1,5 +1,4 @@
 #!ipxe
-
 dhcp
 
 echo Starting ${serial}

templates/dnsmasq.conf

@@ -1,4 +1,4 @@
-{% set tftpIp = config.dhcp.tftpIp -%}
+{% set tftpIp = config.server.tftpIp -%}
 
 enable-tftp
 tftp-root=/tftproot

tools/server

@@ -6,6 +6,7 @@ IPXE_VERSION=b41bda4413bf286d7b7a449bc05e1531da1eec2e
 IPXE_BIN=(bin/ipxe.pxe bin-x86_64-efi/ipxe.efi)
 
 IPXE_DIR=${ROOT}/.ipxe/ipxe-${IPXE_VERSION}
+HTTP_URL=$(cat ${ROOT}/config.yaml | yq .server.httpUrl)
 
 function download_ipxe() {
 	base_dir=$(dirname ${IPXE_DIR})
@@ -25,7 +26,8 @@ function patch_ipxe() {
 #!ipxe
 
 dhcp
-chain boot.ipxe || shell
+chain ${HTTP_URL}/boot.ipxe || shell
+# chain boot.ipxe || shell
 EOF
 
 	cd - > /dev/null
@@ -44,6 +46,7 @@ function build_ipxe() {
 
 function render() {
 	${ROOT}/tools/render
+	${ROOT}/rendered/generate_configs.sh
 }
 
 function host_tftp() {
@@ -64,8 +67,30 @@ function host_tftp() {
 	sudo in.tftpd --verbosity 100 --permissive -L --secure ${TFTP_DIR}
 }
 
+function host_http() {
+	HTTP_DIR=$(mktemp --tmpdir -d http.XXX)
+	chmod 755 ${HTTP_DIR}
+	function cleanup() {
+		rm -rf ${HTTP_DIR}
+	}
+	trap cleanup EXIT
+
+	ln -s ${ROOT}/rendered/boot.ipxe ${HTTP_DIR}
+	for bin in "${IPXE_BIN[@]}"; do
+		path=${IPXE_DIR}/src/${bin}
+		ln -s ${path} ${HTTP_DIR}
+	done
+
+	ln -s ${ROOT}/configs ${HTTP_DIR}
+
+	echo "Starting http"
+	cd ${HTTP_DIR}
+	python -m http.server 8000
+	cd -
+}
+
 download_ipxe
 patch_ipxe
 build_ipxe
 render
-host_tftp
+host_http

tools/vm

@@ -21,7 +21,7 @@ function define_network() {
 	<ip address="192.168.1.1" netmask="255.255.255.0">
 		<dhcp>
 			<range start="192.168.1.2" end="192.168.1.254"/>
-			<bootp file='ipxe.pxe'/>
+			<bootp file='http://192.168.1.1:8000/ipxe.pxe'/>
 		</dhcp>
 	</ip>
 </network>