Add Hetzner Cloud

config.cfg

@@ -160,9 +160,12 @@ cloud_providers:
     size: nano_1_0
     image: ubuntu_18_04
   scaleway:
-    size: START1-S
+    size: DEV1-S
     image: Ubuntu Bionic Beaver
     arch: x86_64
+  hetzner:
+    server_type: cx11
+    image: ubuntu-18.04
   openstack:
     flavor_ram: ">=512"
     image:  Ubuntu-18.04

docs/cloud-hetzner.md

@@ -0,0 +1,3 @@
+## API Token
+
+Sign in into the [Hetzner Cloud Console](https://console.hetzner.cloud/) choose a project, go to `Access` → `Tokens`, and create a new token. Make sure to copy the token because it won’t be shown to you again. A token is bound to a project, to interact with the API of another project you have to create a new token inside the project.

input.yml

@@ -14,9 +14,10 @@
       - { name: DigitalOcean, alias: digitalocean }
       - { name: Amazon Lightsail, alias: lightsail }
       - { name: Amazon EC2, alias: ec2 }
-      - { name: Vultr, alias: vultr }
       - { name: Microsoft Azure, alias: azure }
       - { name: Google Compute Engine, alias: gce }
+      - { name: Hetzner Cloud, alias: hetzner }
+      - { name: Vultr, alias: vultr }
       - { name: Scaleway, alias: scaleway}
       - { name: OpenStack (DreamCompute optimised), alias: openstack }
       - { name: CloudStack (Exoscale optimised), alias: cloudstack }

roles/cloud-hetzner/defaults/main.yml

@@ -0,0 +1,2 @@
+---
+hetzner_venv: "{{ playbook_dir }}/configs/.venvs/hetzner"

roles/cloud-hetzner/tasks/main.yml

@@ -0,0 +1,32 @@
+---
+- name: Build python virtual environment
+  import_tasks: venv.yml
+
+- block:
+  - name: Include prompts
+    import_tasks: prompts.yml
+
+  - name: Create an ssh key
+    hcloud_ssh_key:
+      name: "algo-{{ 999999 | random(seed=lookup('file', SSH_keys.public)) }}"
+      public_key: "{{ lookup('file', SSH_keys.public) }}"
+      state: present
+    register: hcloud_ssh_key
+
+  - name: Create a server...
+    hcloud_server:
+      name: "{{ algo_server_name }}"
+      location: "{{ algo_hcloud_region }}"
+      server_type: "{{ cloud_providers.hetzner.server_type }}"
+      image: "{{ cloud_providers.hetzner.image }}"
+      state: present
+      ssh_keys: "{{ hcloud_ssh_key.hcloud_ssh_key.name }}"
+      labels:
+        Environment: algo
+    register: hcloud_server
+
+  - set_fact:
+      cloud_instance_ip: "{{ hcloud_server.hcloud_server.ipv4_address }}"
+      ansible_ssh_user: root
+  environment:
+    PYTHONPATH: "{{ hetzner_venv }}/lib/python2.7/site-packages/"

roles/cloud-hetzner/tasks/prompts.yml

@@ -0,0 +1,48 @@
+---
+- pause:
+    prompt: |
+      Enter your API token (https://trailofbits.github.io/algo/cloud-hetzner.html#api-token):
+    echo: false
+  register: _hcloud_token
+  when:
+    - hcloud_token is undefined
+    - lookup('env','HCLOUD_TOKEN')|length <= 0
+
+- name: Set the token as a fact
+  set_fact:
+    algo_hcloud_token: "{{ hcloud_token | default(_hcloud_token.user_input|default(None)) | default(lookup('env','HCLOUD_TOKEN'), true) }}"
+
+- name: Get regions
+  hcloud_datacenter_facts:
+    api_token: "{{ algo_hcloud_token }}"
+  register: _hcloud_regions
+
+- name: Set facts about thre regions
+  set_fact:
+    hcloud_regions: "{{ hcloud_datacenter_facts | sort(attribute='location') }}"
+
+- name: Set default region
+  set_fact:
+    default_region: >-
+      {% for r in hcloud_regions %}
+      {%- if r['location'] == "nbg1" %}{{ loop.index }}{% endif %}
+      {%- endfor %}
+
+- pause:
+    prompt: |
+      What region should the server be located in?
+        {% for r in hcloud_regions %}
+        {{ loop.index }}. {{ r['location'] }}     {{ r['description'] }}
+        {% endfor %}
+
+      Enter the number of your desired region
+      [{{ default_region }}]
+  register: _algo_region
+  when: region is undefined
+
+- name: Set additional facts
+  set_fact:
+    algo_hcloud_region: >-
+      {% if region is defined %}{{ region }}
+      {%- elif _algo_region.user_input %}{{ hcloud_regions[_algo_region.user_input | int -1 ]['location'] }}
+      {%- else %}{{ hcloud_regions[default_region | int - 1]['location'] }}{% endif %}

roles/cloud-hetzner/tasks/venv.yml

@@ -0,0 +1,14 @@
+---
+- name: Clean up the environment
+  file:
+    dest: "{{ hetzner_venv }}"
+    state: absent
+  when: clean_environment
+
+- name: Install requirements
+  pip:
+    name:
+      - hcloud
+    state: latest
+    virtualenv: "{{ hetzner_venv }}"
+    virtualenv_python: python2.7