Terraform setup to test wrapspawner link_traits branch with DockerSpawner on OpenStack

wrapspawner_test.tf

provider "openstack" {}

data "openstack_networking_network_v2" "network_internal" {
  external = "False"
}

data "openstack_networking_network_v2" "network_external" {
  external = "True"
}

resource "openstack_networking_port_v2" "port" {
  name           = "port"
  network_id     = "${data.openstack_networking_network_v2.network_internal.id}"
}

resource "openstack_compute_instance_v2" "jupyterhub" {
  name = "jupyterhub"
  image_name = "CentOS-7-x64-2018-11"
  flavor_name = "p2-3gb"
  security_groups = ["default"]
  key_pair = "Macbook"
  network {
    port = "${openstack_networking_port_v2.port.id}"
  }
  user_data = <<EOF
#cloud-config
hostname: jupyterhub_test
users:
  - default
  - name: jovyan
    groups: users
    lock_passwd: false
yum_repos:
  epel:
    name: Extra Packages for Enterprise Linux
    baseurl: http://dl.fedoraproject.org/pub/epel/$releasever/$basearch
    enabled: true
    gpgcheck: false
packages:
  - git
  - python36
  - docker
  - npm
runcmd:
  - sed -i s/SELINUX=enforcing/SELINUX=disabled/ /etc/selinux/config
  - groupadd docker
  - usermod -aG docker jovyan
  - systemctl start docker
  - systemctl enable docker
  - bash /tmp/setup_jupyterhub.sh
  - reboot -n
write_files:
  - content: |
      # JupyterHub config file
      c.JupyterHub.spawner_class = 'wrapspawner.ProfilesSpawner'
      c.ProfilesSpawner.profiles = [
       ('Host process', 'local', 'jupyterhub.spawner.LocalProcessSpawner', {'ip':'0.0.0.0'} ),
       ('Docker Python 3', 'singleuser', 'dockerspawner.SystemUserSpawner', dict(image="jupyterhub/singleuser:1.0")),
       ('Docker Scipy Notebook', 'scipy-notebook', 'dockerspawner.SystemUserSpawner', dict(image="jupyter/scipy-notebook:d4cbf2f80a2a")),
      ]
      c.Spawner.start_timeout = 180
      c.Spawner.http_timeout = 180
      c.JupyterHub.proxy_api_ip = '${openstack_networking_port_v2.port.all_fixed_ips.0}'
      c.JupyterHub.hub_connect_ip = '${openstack_networking_port_v2.port.all_fixed_ips.0}'
      c.JupyterHub.hub_ip = '0.0.0.0'
      c.PAMAuthenticator.open_sessions = False
      c.DockerSpawner.remove = True

    path: /opt/jupyterhub/etc/jupyterhub_config.py
  - content: |
      #!/bin/bash
      python36 -m venv /opt/jupyterhub
      source /opt/jupyterhub/bin/activate
      pip install jupyterhub notebook dockerspawner
      pip install git+https://github.com/cmd-ntrf/wrapspawner@link_traits
      npm install -g configurable-http-proxy
      docker pull jupyterhub/singleuser:1.0
      docker pull jupyter/scipy-notebook:d4cbf2f80a2a
      systemctl start jupyterhub
      systemctl enable jupyterhub
    path: /tmp/setup_jupyterhub.sh
  - content: |
      [Unit]
      Description=Jupyterhub
      After=network-online.target

      [Service]
      User=root
      Group=root
      Environment=PATH=/bin:/usr/bin:/opt/jupyterhub/bin
      ExecStart=/opt/jupyterhub/bin/jupyterhub --config /opt/jupyterhub/etc/jupyterhub_config.py
      WorkingDirectory=/opt/jupyterhub/etc

      [Install]
      WantedBy=multi-user.target
    path: /usr/lib/systemd/system/jupyterhub.service   
output: { all: "| tee -a /var/log/cloud-init-output.log" }
EOF
}

resource "openstack_networking_floatingip_v2" "jupyterhub" {
  pool = "${data.openstack_networking_network_v2.network_external.name}"
}

resource "openstack_compute_floatingip_associate_v2" "jupyterhub" {
  floating_ip = "${openstack_networking_floatingip_v2.jupyterhub.address}"
  instance_id = "${openstack_compute_instance_v2.jupyterhub.id}"
}

output "ip_address" {
  value = "${openstack_networking_floatingip_v2.jupyterhub.address}"
}