OCP4 Automatic Installer Script

auto_ocp4.sh

#!/bin/bash

# Small Script for install IPI OCP4 automatically

set -e
set -o pipefail

usage() {
  echo "Usage: $0 [ -a aws_secret_key_id ] [ -s aws_secret_access_key ] [ -o ocp_version ] [ -r aws_region ]" 1>&2
}

# Set default ops
aws_region="eu-central-1"
aws_bin="/usr/bin/aws"

while getopts 'a:s:o:r:' options; do
  case "${options}" in
    a)
      aws_secret_key_id="${OPTARG}"
      ;;
    s)
      aws_secret_access_key="${OPTARG}"
      ;;
    o)
      ocp4_version="${OPTARG}"
      #echo "The value provided is $OPTARG"
      ;;
    r)
      aws_region="${OPTARG}"
      #echo "The value provided is $OPTARG"
      ;;
    :)
      usage
      exit 1
      ;;
  esac
done
shift "$(($OPTIND -1))"

# Error handler if the input have not any vars
if [[ "$aws_secret_access_key" = "" ]]; then
  echo "Error! Insert Secret Access Key"
  usage
  exit;
elif [[ "$aws_secret_key_id" = "" ]]; then
  echo "Error! Insert Access Key Id"
  usage
  exit;
fi

echo "### Welcome to autoinstall OCP4"
echo "###"
echo "### OCP4 Cluster:"
echo "### aws_secret_access_key: $aws_secret_access_key"
echo "### aws_secret_key_id: $aws_secret_key_id"
echo "### aws_region: $aws_region"

echo "### Prereqs..."

if [ -f "$aws_bin" ]; then
  echo "### AWS already installed. Skipping!"
else
  echo "### Installing AWS CLI"
  curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
  unzip awscli-bundle.zip
  ./awscli-bundle/install -i /usr/local/aws -b /bin/aws
  aws --version
  rm -rf awscli-bundle
  rm -rf awscli-bundle.zip
fi

echo "### Installing Openshift binaries"
wget https://mirror.openshift.com/pub/openshift-v4/clients/ocp/latest/openshift-install-linux-${ocp4_version}.tar.gz
wget https://mirror.openshift.com/pub/openshift-v4/clients/ocp/latest/openshift-client-linux-${ocp4_version}.tar.gz
tar zxvf openshift-client-linux-${ocp4_version}.tar.gz -C /usr/bin
tar zxvf openshift-install-linux-${ocp4_version}.tar.gz -C /usr/bin
chmod +x /usr/bin/openshift-install
chmod +x /usr/bin/oc
ls -l /usr/bin/{oc,openshift-install}
oc completion bash >/etc/bash_completion.d/openshift
rm -rf openshift-client-linux*
rm -rf openshift-install-linux*

echo "### Creating the AWS creds"

if [ -f "$HOME/.aws" ]; then
  echo "### AWS creds already exist"
  echo "### Updating the creds"
else
  mkdir $HOME/.aws
  echo "### Creating the AWS"
fi

cat << EOF >  $HOME/.aws/credentials
[default]
aws_access_key_id = ${aws_secret_key_id}
aws_secret_access_key = ${aws_secret_access_key}
region = $aws_region
EOF

echo "### Check the AWS creds"
aws sts get-caller-identity

if [ -f "~/.ssh/ocp4-key" ]; then
  ssh-keygen -f ~/.ssh/ocp4-key -N ''
fi

if [ -d "ocp4-install" ]; then
  echo "### OCP already installed"
else
  mkdir ocp4-install
  openshift-install create cluster --dir=ocp4-install
fi