Vagrantfile demo of cwltool+singularity+centos7

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"
  config.vm.provider "virtualbox" do |v|
	  v.linked_clone = true
  end
  config.vm.provision "shell", inline: <<-SHELL
sudo yum install -y gcc python-setuptools squashfs-tools git
curl --silent --location https://rpm.nodesource.com/setup_8.x | sudo bash -
sudo yum install -y nodejs
curl -O -L https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py
sudo pip install -U pip setuptools
sudo pip install cwltest
sudo pip install git+https://github.com/common-workflow-language/cwltool.git@singularity-support
curl -O -L https://github.com/singularityware/singularity/releases/download/2.4.2/singularity-2.4.2.tar.gz
tar xzf singularity-2.4.2.tar.gz
cd singularity-2.4.2
./configure --prefix=/usr/local
make
sudo make install
hash -r
cd ..
curl -O -L https://github.com/common-workflow-language/common-workflow-language/archive/master.tar.gz
tar xzf master.tar.gz
cd common-workflow-language-master/
PATH=$PATH:/usr/local/bin ./run_test.sh RUNNER=cwltool EXTRA=--singularity
SHELL
end

Vagrantfile.ubuntu

# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at
  # https://docs.vagrantup.com.

  config.vm.box = "singularityware/singularity-2.4"
  config.vm.box_version = "2.4"
  config.vm.provider "virtualbox" do |v|
	  v.linked_clone = true
  end
config.vm.provision "shell", inline: <<-SHELL
sudo apt-get install -y gcc python-setuptools squashfs-tools git nodejs
curl -O -L https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py
sudo pip install -U pip setuptools
sudo pip install cwltest
sudo pip install git+https://github.com/common-workflow-language/cwltool.git@singularity-support
curl -O -L https://github.com/common-workflow-language/common-workflow-language/archive/master.tar.gz
tar xzf master.tar.gz
cd common-workflow-language-master/
PATH=$PATH:/usr/local/bin ./run_test.sh RUNNER=cwltool EXTRA=--singularity
SHELL
end