strap_gcp_metadata

#!/usr/bin/env bash
# -- debug
set -xe

if ! [ -x "$(command -v puppet)" ]; then
  # -- write hostname correctly
  hostname $(curl --silent "http://metadata.google.internal/computeMetadata/v1/instance/attributes/hostname" -H "Metadata-Flavor: Google")

  # -- delcare configs
  str=$'[main]\ndns=none'
  dns=$'# Generated by NetworkManager\nsearch us.internal.com\nnameserver 10.26.10.80\nnameserver 10.28.10.80'
  puppet_conf=$'[main]\nserver = uspup-cm.us.domainhere.com'
  green_field=$'region_greenfield : true\ngreenfield : true\nregion_appid : splunk\nregion_function : its\region_environment : prd'

  # -- disable /etc/resolv.conf being overwritten with str
  if [[ ! -e /etc/NetworkManager/conf.d/no-dns.conf ]]; then
    echo "$str" > /etc/NetworkManager/conf.d/no-dns.conf
  fi

  # -- enable repos && update yum
  sudo rpm -Uvh https://yum.puppet.com/puppet5-release-el-7.noarch.rpm
  sudo yum update -y

  # -- export PATH to puppet executable
  export PATH=/opt/puppetlabs/bin:$PATH

  # -- update DNS
  echo "$dns" > /etc/resolv.conf

  # -- install puppet agent
  sudo yum install puppet-agent -y
 
  # -- update puppet.conf
  echo "$puppet_conf" > /etc/puppetlabs/puppet/puppet.conf
  echo "$green_field" > /opt/puppetlabs/facter/facts.d/facts.yaml
  # -- enable the service
  sudo /opt/puppetlabs/bin/puppet resource service puppet ensure=running enable=true

  # -- run puppet
  sudo /opt/puppetlabs/bin/puppet agent --test --debug
fi
sudo /opt/puppetlabs/bin/puppet agent --test --debug