packer centos7 no dhcp

[Shankar Bala]

Hi All

I have packer config file that uploads ISO to esxi server and run our kickstart file..it uses dhcp and this works perfectly on centos6 box., whereas on centos7 same config doesn't work.

I noticed that packer is created the vm and then finally it timeout while doing ssh to it.

I logged into the vm., and I noticed the vm is not getting dhcp ip ., whereas packer logs shows the ip of the vm. To fix this., I manually login to the console of the vm., then type "dhclient <interface name>"..as soon as I do this., packer continue to finish the post processor task and my template is getting created.

however I want to avoid this manual interventions..is it due to interface name of centos7 as its not eth0 by default ?

any idea on this ?

Shan

[Ian W]

Do you have something like the following in your kickstart file:

network  --bootproto=dhcp --device=<nic you want here> --activate

[Rickard von Essen]

Please supply your Kickstart file. 

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[Shankar Bala]

hi

below is my kickstart file

===

####

# KICKSTART

####

##key --skip

rootpw xxxx

network --bootproto dhcp --hostname testserver

timezone --utc US/Pacific

eula --agreed

services --enabled=sshd

services --disabled=NetworkManager

part /tmp --fstype=xfs --size=16000 --asprimary --ondisk=sda

part swap --size=16000  --ondisk=sda

part /boot --fstype=xfs --size=256 --ondisk=sda

part /home --fstype=xfs --size=12000 --ondisk=sda

part /var/log --fstype=xfs --size=16000 --ondisk=sda

part / --fstype=xfs --size=64000 --ondisk=sda

part /apps --fstype=xfs --size=1 --grow --ondisk=sda

####

# KICKSTART COMMON

####

install

text

reboot

keyboard us

lang en_US.UTF-8

authconfig --enableshadow --enablemd5

firewall --disabled

selinux --disabled

zerombr

bootloader --location=mbr

clearpart --all --initlabel

####

# Setting Up Repos

####

repo --name="centos-7" --baseurl="http://opsrep/RHEL/centos/7/os/x86_64/"

%packages

@core

net-tools

policycoreutils

screen

tree

vim

wget

%end

%pre

wget http://kickstart/users/users.sh -O /tmp/users.sh

%end

%post --nochroot

mv /tmp/users.sh /mnt/sysimage/tmp/users.sh

%end

%post

sh /tmp/users.sh

rm -f /tmp/users.sh

%end

# EOF

====

I have tried removing biosdevname rpm and also tried adding net.ifnames=0 option in the above boot loader options..but no luck.

shan

[Rickard von Essen]

Doesn't 

services --disabled=NetworkManager

make dhcp not run automatically. I think you should get everything running before changing the default network setup.

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[Shankar Bala]

Hi Richard

That worked...(removing network manager line)..thanks a lot for your help.

Shan

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