deployment/new-node.sh

#!/bin/bash

echo "Creating group"
groupadd Ansible
echo "Creating user"
useradd -g Ansible -m -r -c \"Ansible user\" ansible
echo "Set sudo rights"
echo \"%Ansible ALL=(ALL) NOPASSWD: ALL\" > /etc/sudoers.d/Ansible
echo "Set remote access"
mkdir /home/ansible/.ssh
chmod 700 /home/ansible/.ssh
curl -O /home/ansible/.ssh/authorized_keys https://git.xo.nl/marcel/deploy/ansible.pub
chown -R ansible:Ansible /home/ansible/.ssh
echo "Enabling IPv6"
sed -i '/net.ipv6.conf.all.disable_ipv6.*/d' /etc/sysctl.conf && sysctl -q -p && echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6
if [[ "$(ip -br link | grep -v UNKNOWN | grep -v DOWN | grep -v veth | grep -v br | awk '{ print $1 }')" != "eth1" ]]
then
        echo "Configure GRUB"
        sed -i 's/GRUB_CMDLINE_LINUX=\"/GRUB_CMDLINE_LINUX=\"net.ifnames=0 /' /etc/default/grub
        grub2-mkconfig -o $(find /boot -name grub.cfg)
        mv /etc/sysconfig/network-scripts/ifcfg* /etc/sysconfig/network-scripts/ifcfg-eth0
        sed -i 's/NAME=.*/NAME=eth0/' /etc/sysconfig/network-scripts/ifcfg-eth0
        sed -i 's/DEVICE=.*/DEVICE=eth0/' /etc/sysconfig/network-scripts/ifcfg-eth0
else
        echo "GRUB configuration not required"
fi
echo "Disable SELinux"
sed -i 's/SELINUX=enforcing/SELINUX=permissive/' /etc/selinux/config
echo "install Teleport agent"
sudo bash -c "$(curl -fsSL https://xs.xo.nl/scripts/c368df0b0c8b08d92e3cfa66616c333a/install-node.sh)"
echo "Deployment is completed"
echo "Reboot host in 3 seconds"
wait 3
reboot