chef-solo initialization script for CentOS7

setup_chef.sh

#!/bin/sh
# for CentOS7

case $# in
  1)
    REMOTE_HOST=$1
    ;;
  *)
    echo "usage: $0 <remote host>"
    exit 1
    ;;
esac

# add chef user
ssh $REMOTE_HOST 'sudo /usr/sbin/useradd -d /home/chef -g wheel -m -s /bin/bash -u 140 chef'
ssh $REMOTE_HOST 'echo "chef ALL=(ALL) NOPASSWD: ALL" | sudo EDITOR="tee -a" visudo'

# add my pubkey
ssh $REMOTE_HOST 'sudo install -d -o chef -m 0700 ~chef/.ssh'
scp ~/.ssh/id_rsa.pub $REMOTE_HOST:/tmp
ssh $REMOTE_HOST 'sudo cp /tmp/id_rsa.pub ~chef/.ssh/authorized_keys'

# yum update
ssh $REMOTE_HOST 'sudo yum update -y nss curl libcurl ca-certificates'
ssh $REMOTE_HOST 'sudo update-ca-trust force-enable'

# install chef
ssh $REMOTE_HOST '(which chef-solo > /dev/null 2>&1) || sudo curl -L https://www.opscode.com/chef/install.sh | sudo bash -s -- -v 12.10.24'