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Summary: Fix virtual router trying to resolve own host name

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Detail: Several virtual router configuration commands, such as iptables
commands, run slowly due to attempting to do a name lookup on the virtual
router's hostname and having to time out. This is seen in the agent logs when
a virtual router command is run, as "unable to resolve host r-410-VM" or
similar. This can make for very slow router configuration, especially as the
number of network rules grows. This change simply sets the router's name to
the localhost IP in /etc/hosts

BUG-ID : NONE
Reviewed-by: Marcus Sorensen
Reported-by: Marcus Sorensen
Signed-off-by: Marcus Sorensen <shadowsor@gmail.com> 1351659441 -0600
This commit is contained in:
marcus 2012-10-30 22:57:21 -06:00
parent 4572bc0685
commit 95df86e1e0
1 changed files with 9 additions and 0 deletions
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9
patches/systemvm/debian/config/etc/init.d/cloud-early-config
View File

@ -814,9 +814,18 @@ change_password() {
fi
}
set_etc_hosts() {
if [ -f /etc/hosts ]; then
host=`hostname -s`;
grep -q $host /etc/hosts || echo "127.0.0.1 $host" >> /etc/hosts;
fi
}
start() {
# Clear /tmp for file lock
rm -f /tmp/*.lock
# fix lookups for our hostname (iptables, etc)
set_etc_hosts
local hyp=$(hypervisor)
[ $? -ne 0 ] && log_it "Failed to detect hypervisor type, bailing out of early init" && exit 10
log_it "Detected that we are running inside $hyp guest"