Simple OpenHPC Packer build

openhpc.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": ""
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "eu-west-1",
    "source_ami": "ami-6e28b517",
    "instance_type": "t2.micro",
    "ssh_username": "centos",
    "ami_name": "packer-openhpc {{timestamp}}"
  }],

  "provisioners": [{
    "type": "shell",
    "inline": [
      "sudo yum clean all",
      "sudo yum update -y",
      "sudo yum install http://build.openhpc.community/OpenHPC:/1.3/CentOS_7/x86_64/ohpc-release-1.3-1.el7.x86_64.rpm -y",
      "sudo yum install ohpc-base -y",
      "sudo yum install ohpc-autotools EasyBuild-ohpc hwloc-ohpc spack-ohpc valgrind-ohpc gnu7-compilers-ohpc llvm5-compilers-ohpc openmpi3-gnu7-ohpc mpich-gnu7-ohpc ohpc-gnu7-perf-tools lmod-defaults-gnu7-openmpi3-ohpc ohpc-gnu7-serial-libs ohpc-gnu7-io-libs ohpc-gnu7-python-libs ohpc-gnu7-runtimes ohpc-gnu7-mpich-parallel-libs ohpc-gnu7-openmpi3-parallel-libs lmod-ohpc -y",
      "sudo yum clean all"
    ]
  }]
}