Merge pull request #89 from ppatpat/master

Add PXE support (we still have to check this)

initcpio/hooks/miso

@@ -126,6 +126,12 @@ testdevice() {
 }
 
 probedevice() {
+
+    if [[ -n "${ip}" && -n "${miso_http_srv}" && -f "${isomounts}" ]]; then
+        found="yes"
+        return
+    fi
+
 # Loop device test every second up to some limit
     if [ "x${usbdelay}" != "x" ]; then
         waittime=${usbdelay}

initcpio/hooks/miso_pxe_common

@@ -0,0 +1,50 @@
+# vim: set ft=sh:
+
+run_hook () {
+    local i net_mac bootif_mac bootif_dev
+    # These variables will be parsed from /tmp/net-*.conf generated by ipconfig
+    local DEVICE
+    local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
+    local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
+    local filename
+    # /tmp/net-*.conf
+
+    if [[ -n "${ip}" ]]; then
+        if [[ -n "${BOOTIF}" ]]; then
+            bootif_mac=${BOOTIF#01-}
+            bootif_mac=${bootif_mac//-/:}
+            for i in /sys/class/net/*/address; do
+                read net_mac < ${i}
+                if [[ "${bootif_mac}" == "${net_mac}" ]]; then
+                    bootif_dev=${i#/sys/class/net/}
+                    bootif_dev=${bootif_dev%/address}
+                    break
+                fi
+            done
+            ip="${ip}::${bootif_dev}"
+        fi
+
+        # setup network and save some values
+        ipconfig "ip=${ip}"
+
+        . /tmp/net-*.conf
+
+        pxeserver=${ROOTSERVER}
+
+        # setup DNS resolver
+        if [[ "${IPV4DNS0}" != "0.0.0.0" ]]; then
+            echo "nameserver ${IPV4DNS0}" > /etc/resolv.conf
+        fi
+        if [[ "${IPV4DNS1}" != "0.0.0.0" ]]; then
+            echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf
+        fi
+    fi
+}
+
+run_latehook () {
+    [[ -z "${copy_resolvconf}" ]] && copy_resolvconf="y"
+
+    if [[ "${copy_resolvconf}" != "n" && -f /etc/resolv.conf ]]; then
+        cp /etc/resolv.conf /new_root/etc/resolv.conf
+    fi
+}

initcpio/hooks/miso_pxe_http

@@ -0,0 +1,47 @@
+# vim: set ft=sh:
+
+run_hook() {
+    if [[ -n "${ip}" && -n "${miso_http_srv}" ]]; then
+
+        miso_http_srv=$(eval echo ${miso_http_srv})
+        [[ -z "${miso_http_spc}" ]] && miso_http_spc="75%"
+
+        mount_handler="miso_pxe_http_mount_handler"
+    fi
+}
+
+# Fetch a file with CURL
+#
+# $1 URL
+# $2 Destination directory inside httpspace/${misobasedir}
+_curl_get() {
+    local _url="${1}"
+    local _dst="${2}"
+
+    msg ":: Downloading '${_url}'"
+    if ! curl -L -f -o "${_dst}" --create-dirs "${_url}"; then
+        echo "ERROR: Downloading '${_url}'"
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    fi
+}
+
+miso_pxe_http_mount_handler () {
+    newroot="${1}"
+
+    _curl_get "${miso_http_srv}${misobasedir}/isomounts" "${isomounts}"
+
+    msg ":: Retrieving images"
+    while read img imgarch mountpoint type kernelarg; do
+        # check if this line is a comment (starts with #)
+        [ "${img#"#"}" != "${img}" ] && continue
+
+        [ "$imgarch" != "$arch" ] && continue
+
+        _curl_get "${miso_http_srv}${misobasedir}/${img}" "/bootmnt/${misobasedir}/${img}"
+
+    done < "${isomounts}"
+
+    miso_mount_handler ${newroot}
+}

initcpio/inst/miso_pxe_common

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+build() {
+
+    add_runscript
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via PXE.
+HELPEOF
+}

initcpio/inst/miso_pxe_http

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+build() {
+
+    add_runscript
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via PXE by HTTP.
+HELPEOF
+}