2012-04-16 13:55:53 +00:00
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From e173f0b384f699c2519db879f3f562b1f6676d8d Mon Sep 17 00:00:00 2001
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From: Will Woods <wwoods@redhat.com>
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Date: Thu, 5 Apr 2012 13:01:37 -0400
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Subject: [PATCH] network: add save_netinfo, fix problems with nfs->NM
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takeover
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For NetworkManager to properly take over a NFS-root system, we need to
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have the interface name(s) in /tmp/net.ifaces and save the dhclient
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lease. This lets the ifcfg module do its magic.
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save_netinfo should properly write out /tmp/net.ifaces when needed, and
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copies the dhclient files into place.
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---
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modules.d/40network/net-lib.sh | 16 ++++++++++++++++
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modules.d/40network/netroot.sh | 10 ++--------
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2012-05-04 11:03:29 +00:00
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2 Dateien geändert, 18 Zeilen hinzugefügt(+), 8 Zeilen entfernt(-)
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2012-04-16 13:55:53 +00:00
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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 a7abe81..c0f73da 100644
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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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@@ -105,6 +105,22 @@ setup_net() {
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> /tmp/net.$netif.did-setup
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}
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+save_netinfo() {
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+ local netif="$1" IFACES="" f="" i=""
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+ [ -e /tmp/net.ifaces ] && read IFACES < /tmp/net.ifaces
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+ # Add $netif to the front of IFACES (if it's not there already).
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+ set -- "$netif"
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+ for i in $IFACES; do [ "$i" != "$netif" ] && set -- "$@" "$i"; done
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+ IFACES="$*"
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+ for i in $IFACES; do
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+ for f in /tmp/dhclient.$i.*; do
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+ [ -f $f ] && cp -f $f /tmp/net.${f#/tmp/dhclient.}
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+ done
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+ done
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+ echo $IFACES > /tmp/.net.ifaces.new
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+ mv /tmp/.net.ifaces.new /tmp/net.ifaces
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+}
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+
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set_ifname() {
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local name="$1" mac="$2" num=0 n=""
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# if it's already set, return the existing name
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diff --git a/modules.d/40network/netroot.sh b/modules.d/40network/netroot.sh
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index ac1c215..1bb62bb 100755
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--- a/modules.d/40network/netroot.sh
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+++ b/modules.d/40network/netroot.sh
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@@ -84,14 +84,8 @@ source_hook netroot
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# Run the handler; don't store the root, it may change from device to device
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# XXX other variables to export?
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if $handler $netif $netroot $NEWROOT; then
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- # Network rootfs mount successful
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- for iface in $IFACES ; do
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- [ -f /tmp/dhclient.$iface.lease ] && cp /tmp/dhclient.$iface.lease /tmp/net.$iface.lease
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- [ -f /tmp/dhclient.$iface.dhcpopts ] && cp /tmp/dhclient.$iface.dhcpopts /tmp/net.$iface.dhcpopts
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- done
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-
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- # Save used netif for later use
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- [ ! -f /tmp/net.ifaces ] && echo $netif > /tmp/net.ifaces
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+ # Network rootfs mount successful - save interface info for ifcfg etc.
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+ save_netinfo $netif
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else
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warn "Mounting root via '$netif' failed"
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# If we're trying with multiple interfaces, put that one down.
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