// Distros to Test on ;)
local distros = ['centos7',
                 'centos8',
                 'rockylinux8', 
                 'debian10', 
                 'debian11'];

/* Configuration of DIND */
local docker_service() =
 {
   name: 'docker',
   image: 'docker:dind',
   privileged: true,
   volumes: [{ name: 'dockersock', path: '/var/run' },],
 };

local email_notification() =
 {
   name: 'notify by email',
   image: 'drillster/drone-email',
   settings:
    { host: 'mail.guise.net.nz',
      username:
        { from_secret: 'EMAIL_USER' },
      password:
        { from_secret: 'EMAIL_PASS' },
      from: 'drone@guise.net.nz'
    }
  };

local test_distro(distribution) =
  {
    name: 'Molecule test on %(distribution)s' % { distribution: distribution },
    volumes: [{ name: 'dockersock', path: '/var/run' },],
    image: 'guisea/ansible-molecule:latest',
    commands: [
      'sleep 10', // give docker enough time to start
      'mkdir ${DRONE_REPO_NAME}',
      'rsync -a . ${DRONE_REPO_NAME} --exclude ${DRONE_REPO_NAME}',
      'cd ${DRONE_REPO_NAME}',
      'molecule test'
    ],
    environment:
     { MOLECULE_DISTRO: '%(distribution)s' % { distribution: distribution }
     },
  };

local gen_pipeline(distro) = 
  {kind: 'pipeline',
   type: 'docker',
   node: {linodrone: true},
   name: 'Test on %(distro)s' % { distro: distro },
   steps: 
    [test_distro(distro)],
   services: 
     [docker_service()],
   volumes: 
   [{
     name: 'dockersock',
     temp: {}, 
   },],
   depends_on:
    ['runners']
  };

// Generate the output
[ 
  {kind: 'pipeline',
   type: 'docker',
   name: 'runners',
   steps:
     [{name: 'Provision with terraform',
       image: 'hashicorp/terraform:1.1.7',
       commands: ['cd terraform',
                 'terraform init',
                 'terraform plan -out /data/runners.plan',
                 'terraform apply /data/runners.plan',
       ],
       environment: {
        TF_VAR_root_pass: {from_secret: 'root_pass'},
        TF_VAR_linode_api_token: {from_secret: 'linode_api_token'},
        TF_VAR_ssh_pubkey: {from_secret: 'TF_VAR_ssh_pubkey'},
       },
       volumes: [{ name: 'terraform-data', path: '/data' },],
      },],
   volumes:
      [{
        name: 'terraform-data',
        host: { path: '/mnt/nfs/swarm/runners'},
       }],
  },
  gen_pipeline('centos7'),
  gen_pipeline('centos8'),
  gen_pipeline('rockylinux8'),
  gen_pipeline('debian10'),
  gen_pipeline('debian11'),
  {kind: 'pipeline',
   type: 'docker',
   name: 'Notify',
   steps: [email_notification()],
   when:
     {  status: [ 'success', 'failure' ] },
    depends_on: 
      ['Test on %(distro)s' % { distro: distro }
        for distro in distros]
  }
]