Blame 0010-network-add-rd.route-parameter.patch

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From 7b46244bb94e3dfd635a8d222044ae7fc920240d Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Tue, 22 Jul 2014 11:03:56 +0200
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Subject: [PATCH] network: add rd.route parameter
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---
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 dracut.cmdline.7.asc             | 15 +++++++++++++-
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 modules.d/40network/net-lib.sh   | 42 ++++++++++++++++++++++++++++++++++++++++
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 modules.d/45ifcfg/write-ifcfg.sh |  3 +++
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 3 files changed, 59 insertions(+), 1 deletion(-)
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diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
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index fef13b3..f66bace 100644
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--- a/dracut.cmdline.7.asc
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+++ b/dracut.cmdline.7.asc
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@@ -493,6 +493,19 @@ WARNING: Do **not** use the default kernel naming scheme for the interface name,
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 as it can conflict with the kernel names. So, don't use "eth[0-9]+" for the
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 interface name. Better name it "bootnet" or "bluesocket".
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+**rd.route=**__<net>__/__<netmask>__:__<gateway>__[:__<interface>__]::
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+    Add a static route with route options, which are separated by a colon.
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+    IPv6 addresses have to be put in brackets.
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++
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+[listing]
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+.Example
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+--
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+    rd.route=192.168.200.0/24:192.168.100.222:ens10
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+    rd.route=192.168.200.0/24:192.168.100.222
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+    rd.route=192.168.200.0/24::ens10
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+    rd.route=[2001:DB8:3::/8]:[2001:DB8:2::1]:ens10
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+--
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+
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 **bootdev=**__<interface>__::
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     specify network interface to use routing and netroot information from.
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     Required if multiple ip= lines are used.
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@@ -540,7 +553,7 @@ NFS
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 ~~~
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 **root=**\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__]::
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     mount nfs share from <server-ip>:/<root-dir>, if no server-ip is given, use
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-    dhcp next_server. if server-ip is an IPv6 address it has to be put in
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+    dhcp next_server. If server-ip is an IPv6 address it has to be put in
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     brackets, e.g. [2001:DB8::1]. NFS options can be appended with the prefix
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     ":" or "," and are seperated by ",".
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diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
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index f8e1179..c118c53 100755
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--- a/modules.d/40network/net-lib.sh
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+++ b/modules.d/40network/net-lib.sh
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@@ -89,6 +89,7 @@ ifdown() {
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 setup_net() {
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     local netif="$1" f="" gw_ip="" netroot_ip="" iface="" IFACES=""
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+    local _p
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     [ -e /tmp/net.$netif.did-setup ] && return
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     [ -e /sys/class/net/$netif/address ] && \
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         [ -e /tmp/net.$(cat /sys/class/net/$netif/address).did-setup ] && return
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@@ -103,6 +104,20 @@ setup_net() {
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     [ -e /tmp/net.$netif.resolv.conf ] && \
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         cp -f /tmp/net.$netif.resolv.conf /etc/resolv.conf
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+    # add static route
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+    for _p in $(getargs rd.route); do
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+        route_to_var "$_p" || continue
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+        [ -n "$route_dev" ] && [ "$route_dev" != "$netif"] && continue
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+        ip route add "$route_mask" ${route_gw:+via "$route_gw"} ${route_dev:+dev "$route_dev"}
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+        if strstr ":" "$route_mask"; then
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+            printf -- "%s\n" "$route_mask ${route_gw:+via $route_gw} ${route_dev:+dev $route_dev}" \
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+                > /tmp/net.route6."$netif"
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+        else
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+            printf -- "%s\n" "$route_mask ${route_gw:+via $route_gw} ${route_dev:+dev $route_dev}" \
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+                > /tmp/net.route."$netif"
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+        fi
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+    done
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+
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     # Handle STP Timeout: arping the default gateway.
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     # (or the root server, if a) it's local or b) there's no gateway.)
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     # Note: This assumes that if no router is present the
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@@ -400,6 +415,33 @@ ip_to_var() {
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     fi
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 }
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+route_to_var() {
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+    local v=${1}:
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+    local i
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+    set --
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+    while [ -n "$v" ]; do
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+        if [ "${v#\[*:*:*\]:}" != "$v" ]; then
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+            # handle IPv6 address
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+            i="${v%%\]:*}"
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+            i="${i##\[}"
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+            set -- "$@" "$i"
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+            v=${v#\[$i\]:}
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+        else
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+            set -- "$@" "${v%%:*}"
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+            v=${v#*:}
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+        fi
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+    done
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+
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+    unset route_mask route_gw route_dev
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+    case $# in
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+        2)  [ -n "$1" ] && route_mask="$1"; [ -n "$2" ] && route_gw="$2"
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+            return 0;;
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+        3)  [ -n "$1" ] && route_mask="$1"; [ -n "$2" ] && route_gw="$2"; [ -n "$3" ] && route_dev="$3"
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+            return 0;;
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+        *)  return 1;;
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+    esac
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+}
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+
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 parse_ifname_opts() {
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     local IFS=:
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     set $1
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diff --git a/modules.d/45ifcfg/write-ifcfg.sh b/modules.d/45ifcfg/write-ifcfg.sh
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index 803ae8e..7e301de 100755
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--- a/modules.d/45ifcfg/write-ifcfg.sh
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+++ b/modules.d/45ifcfg/write-ifcfg.sh
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@@ -268,6 +268,9 @@ for netup in /tmp/net.*.did-setup ; do
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         echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif
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         i=$((i+1))
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     done
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+
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+    [ -f /tmp/net.route6."$netif" ] && cp /tmp/net.route6."$netif" /tmp/ifcfg/route6-"$netif"
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+    [ -f /tmp/net.route."$netif" ] && cp /tmp/net.route."$netif" /tmp/ifcfg/route-"$netif"
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 done
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 # Pass network opts