Hi Harald,
Do you have any suggestion on this patch? Or you have any other better
thoughts?
Thanks
Baoquan
On 07/04/14 at 11:01am, Baoquan He wrote:
> Now in dracut only default gateway is added. However as below you can
> see, if a service target is in different subnet with default gateway,
> a subnet route to that service target has to be added into dracut.
>
> sh> ip route show
> default via 192.168.122.1 dev eth0 proto static metric 1024
> 192.168.200.0/24 via 192.168.100.222 dev ens10 proto static metric 1
>
> Now add a cmdline parameter rd.route="" and the related operation to
> parse it. User can add static route by specify it in cmdline like. For
> now the PREFIX/nexthop/output_device is enough to route.
>
> rd.route="192.168.200.0/24_via_192.168.100.222_dev_ens10"
> ---
> dracut.cmdline.7.asc | 8 ++++++++
> modules.d/40network/net-lib.sh | 9 +++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
> index fef13b3..e2ab8a7 100644
> --- a/dracut.cmdline.7.asc
> +++ b/dracut.cmdline.7.asc
> @@ -536,6 +536,14 @@ interface name. Better name it "bootnet" or "bluesocket".
> list of physical (ethernet) interfaces. Bridge without parameters assumes
> bridge=br0:eth0
>
> +**rd.route=**__<route-options>__::
> + Add static route to route table with route options which are separated by
> + underscore. Among them some are necessary, such as the destination prefix
> + of the route, the address of the nexthop route, the output device name.
> + It's like
> + rd.route=192.168.200.0/24_via_192.168.100.222_dev_ens10
> +
> +
> NFS
> ~~~
> **root=**\[_<server-ip>_:]__<root-dir>__[:__<nfs-options>__]::
> diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
> index a82f1a8..b428abb 100755
> --- a/modules.d/40network/net-lib.sh
> +++ b/modules.d/40network/net-lib.sh
> @@ -103,6 +103,15 @@ setup_net() {
> [ -e /tmp/net.$netif.resolv.conf ] && \
> cp -f /tmp/net.$netif.resolv.conf /etc/resolv.conf
>
> + # add static route
> + local _p _r
> + for _p in $(getargs rd.route=); do
> + if strstr "$_p" "$netif"; then
> + _r=${_p//'_'/' '}
> + ip route add $_r
> + fi
> + done
> +
> # Handle STP Timeout: arping the default gateway.
> # (or the root server, if a) it's local or b) there's no gateway.)
> # Note: This assumes that if no router is present the
> --
> 1.9.0
>
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