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#!/bin/bash
# N/B: This script is not intended to be run by humans. It is used to configure the
# rhel base image for importing, so that it will boot in GCE
set -e
[[ "$1" == "post" ]] || exit 0 # pre stage is not needed
# Load in library (copied by packer, before this script was run)
source $GOSRC/$SCRIPT_BASE/lib.sh
req_env_var "
RHSM_COMMAND $RHSM_COMMAND
"
install_ooe
rhsm_enable
echo "Setting up repos"
# Frequently needed
ooe.sh sudo yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
# Required for google to manage ssh keys
ooe.sh sudo tee /etc/yum.repos.d/google-cloud-sdk.repo << EOM
[google-cloud-compute]
name=google-cloud-compute
baseurl=https://packages.cloud.google.com/yum/repos/google-cloud-compute-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
EOM
echo "Updating all packages"
ooe.sh sudo yum -y update
echo "Installing/removing packages"
ooe.sh sudo yum -y install rng-tools google-compute-engine google-compute-engine-oslogin
echo "Enabling critical services"
ooe.sh sudo systemctl enable \
rngd \
google-accounts-daemon \
google-clock-skew-daemon \
google-instance-setup \
google-network-daemon \
google-shutdown-scripts \
google-startup-scripts
rhel_exit_handler # release subscription!
echo "Configuring boot"
cat << "EOF" | sudo tee /etc/default/grub
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL="serial console"
GRUB_SERIAL_COMMAND="serial --speed=38400"
GRUB_CMDLINE_LINUX="crashkernel=auto console=ttyS0,38400n8"
GRUB_DISABLE_RECOVERY="true"
EOF
sudo grub2-mkconfig -o /boot/grub2/grub.cfg
echo "Configuring networking"
ooe.sh sudo nmcli connection modify 'System eth0' 802-3-ethernet.mtu 1460
ooe.sh sudo nmcli connection modify 'System eth0' connection.autoconnect yes
ooe.sh sudo nmcli connection modify 'System eth0' connection.autoconnect-priority
ooe.sh sudo nmcli connection modify 'System eth0' ipv4.method auto
ooe.sh sudo nmcli connection modify 'System eth0' ipv4.dhcp-send-hostname yes
ooe.sh sudo nmcli connection modify 'System eth0' ipv4.dhcp-timeout 0
ooe.sh sudo nmcli connection modify 'System eth0' ipv4.never-default no
ooe.sh /usr/bin/google_instance_setup
rh_finalize
echo "SUCCESS!"
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