On 06/27/14 at 10:57am, Harald Hoyer wrote:
>
> "_" or ":" as a seperator??? code and documentation seem to differ
Sorry, I tried to keep consitent with other parameter which use
semicolon as separator when add parameter description, then I realized
what you suggested using underscore is more meaningful because of ipv6.
So here forgot changing the example.
>
> Can we restrict this to network gateway dev ?
I think it cann't be. This special case is raised by Marc, the scenario
is in kdump kernel below 3 services need be done and go through
different NIC. Though default gateway is setup for one NIC, other
service need route to direct.
1)NFS or SSH or iscsi host
2)cluster heartbeat host
3)DNS resolver
>
> On 27.06.2014 10:08, Baoquan He wrote:
> > User may specify static route for a target address which is different
> > than default gateway, hence static route need be added.
> >
> > 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:
> >
> > rd.route="192.168.200.0/24:via:192.168.100.222:dev:ens10"
Here should be:
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 10550ee..87acc54 100644
> > --- a/dracut.cmdline.7.asc
> > +++ b/dracut.cmdline.7.asc
> > @@ -528,6 +528,14 @@ 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
> >
>
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