initial commit

2020-09-30 21:56:00 +02:00 · 2020-09-30 21:56:00 +02:00 · 6896943e38
commit 6896943e38
22 changed files with 819 additions and 0 deletions
--- a/.drone.jsonnet
+++ b/.drone.jsonnet
@ -0,0 +1,154 @@
+local PipelineLinting = {
+  kind: 'pipeline',
+  name: 'linting',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  steps: [
+    {
+      name: 'ansible-later',
+      image: 'xoxys/ansible-later',
+      commands: [
+        'ansible-later',
+      ],
+    },
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**', 'refs/pull/**'],
+  },
+};
+
+local PipelineDeployment(scenario='centos7') = {
+  kind: 'pipeline',
+  name: 'testing-' + scenario,
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  concurrency: {
+    limit: 1,
+  },
+  workspace: {
+    base: '/drone/src',
+    path: '${DRONE_REPO_NAME}',
+  },
+  steps: [
+    {
+      name: 'ansible-molecule',
+      image: 'xoxys/molecule:3',
+      environment: {
+        DO_API_KEY: { from_secret: 'do_api_key' },
+        MOLECULE_CUSTOM_MODULES_REPO: 'https://gitea.rknet.org/ansible/custom_modules',
+        MOLECULE_CUSTOM_FILTERS_REPO: 'https://gitea.rknet.org/ansible/custom_filters',
+      },
+      commands: [
+        'molecule test -s' + scenario,
+      ],
+    },
+  ],
+  depends_on: [
+    'linting',
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**'],
+  },
+};
+
+local PipelineDocumentation = {
+  kind: 'pipeline',
+  name: 'documentation',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  steps: [
+    {
+      name: 'generate',
+      image: 'xoxys/ansible-doctor',
+      environment: {
+        ANSIBLE_DOCTOR_LOG_LEVEL: 'INFO',
+        ANSIBLE_DOCTOR_FORCE_OVERWRITE: true,
+        ANSIBLE_DOCTOR_EXCLUDE_FILES: 'molecule/',
+        ANSIBLE_DOCTOR_TEMPLATE: 'hugo-book',
+        ANSIBLE_DOCTOR_ROLE_NAME: '${DRONE_REPO_NAME#*.}',
+        ANSIBLE_DOCTOR_OUTPUT_DIR: '_docs/',
+      },
+    },
+    {
+      name: 'publish',
+      image: 'plugins/gh-pages',
+      settings: {
+        remote_url: 'https://gitea.rknet.org/ansible/${DRONE_REPO_NAME}',
+        netrc_machine: 'gitea.rknet.org',
+        username: { from_secret: 'gitea_username' },
+        password: { from_secret: 'gitea_token' },
+        pages_directory: '_docs/',
+        target_branch: 'docs',
+      },
+      when: {
+        ref: ['refs/heads/master'],
+      },
+    },
+    {
+      name: 'trigger',
+      image: 'plugins/downstream',
+      settings: {
+        server: 'https://drone.rknet.org',
+        token: { from_secret: 'drone_token' },
+        fork: true,
+        repositories: [
+          'ansible/ansible-galaxy',
+        ],
+      },
+      when: {
+        ref: ['refs/heads/master'],
+      },
+    },
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**', 'refs/pull/**'],
+  },
+  depends_on: [
+    'testing-centos7',
+  ],
+};
+
+local PipelineNotification = {
+  kind: 'pipeline',
+  name: 'notification',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  clone: {
+    disable: true,
+  },
+  steps: [
+    {
+      name: 'matrix',
+      image: 'plugins/matrix',
+      settings: {
+        homeserver: { from_secret: 'matrix_homeserver' },
+        roomid: { from_secret: 'matrix_roomid' },
+        template: 'Status: **{{ build.status }}**<br/> Build: [{{ repo.Owner }}/{{ repo.Name }}]({{ build.link }}) ({{ build.branch }}) by {{ build.author }}<br/> Message: {{ build.message }}',
+        username: { from_secret: 'matrix_username' },
+        password: { from_secret: 'matrix_password' },
+      },
+    },
+  ],
+  depends_on: [
+    'documentation',
+  ],
+  trigger: {
+    status: ['success', 'failure'],
+    ref: ['refs/heads/master', 'refs/tags/**'],
+  },
+};
+
+[
+  PipelineLinting,
+  PipelineDeployment(scenario='centos7'),
+  PipelineDocumentation,
+  PipelineNotification,
+]
--- a/.flake8
+++ b/.flake8
@ -0,0 +1,5 @@
+[flake8]
+ignore = D101, D102, D103, D105, D107, E402, W503
+max-line-length = 99
+inline-quotes = double
+exclude = .git,.tox,__pycache__,build,dist,tests,*.pyc,*.egg-info,.cache,.eggs,env*
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,11 @@
+# ---> Ansible
+*.retry
+plugins
+library
+
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
--- a/.later.yml
+++ b/.later.yml
@ -0,0 +1,18 @@
+---
+ansible:
+  custom_modules:
+    - iptables_raw
+    - openssl_pkcs12
+    - proxmox_kvm2
+    - ucr
+    - yum_versionlock
+
+rules:
+  exclude_files:
+    - molecule/
+    - "LICENSE*"
+    - "**/*.md"
+    - "**/*.ini"
+  
+  exclude_filter:
+    - LINT0009
--- a/.prettierignore
+++ b/.prettierignore
@ -0,0 +1 @@
+.drone*
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Robert Kaussow <mail@thegeeklab.de>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/README.md
+++ b/README.md
@ -0,0 +1,16 @@
+# xoxys.droneci_autoscaler
+
+[![Build Status](https://img.shields.io/drone/build/ansible/xoxys.droneci_autoscaler?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/ansible/xoxys.droneci_autoscaler)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](LICENSE)
+
+Setup [Drone CI autoscaler](https://autoscale.drone.io/).
+
+You can find the full documentation at [https://galaxy.geekdocs.de](https://galaxy.geekdocs.de/roles/cloud/droneci_autoscaler/).
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
+
+## Maintainers and Contributors
+
+[Robert Kaussow](https://gitea.rknet.org/xoxys)
--- a/defaults/main.yml
+++ b/defaults/main.yml
@ -0,0 +1,116 @@
+---
+droneci_autoscaler_version: latest
+droneci_autoscaler_image: "drone/autoscaler:latest"
+
+droneci_autoscaler_service_directory: /var/lib/docker/services/droneci_autoscaler
+droneci_autoscaler_container_name: droneci_autoscaler
+droneci_autoscaler_restart_policy: always
+droneci_autoscaler_service_stopped: False
+
+# @var droneci_autoscaler_sshkey:description: >
+# SSH private key that will by used by the autoscaler to connect to the agents.
+# If you dont provide a private key, a keypair will be generated automatically.
+# @end
+# @var droneci_autoscaler_sshkey: $ "_unset_"
+
+droneci_autoscaler_interval: 1m
+
+droneci_autoscaler_logs_color: False
+droneci_autoscaler_logs_pretty: True
+droneci_autoscaler_logs_debug: False
+
+droneci_autoscaler_watchtower_enabled: False
+droneci_autoscaler_gc_enabled: False
+
+droneci_autoscaler_pool_min: 0
+droneci_autoscaler_pool_max: 1
+droneci_autoscaler_pool_ttl: 50m
+
+droneci_autoscaler_server_host: droneci
+droneci_autoscaler_server_proto: http
+droneci_autoscaler_server_token: myveryownsecret
+
+# @var droneci_autoscaler_db_type:description: >
+# Database type to use (default sqlite). All other DB variable will ony be used
+# it DB type is **not** sqlite.
+droneci_autoscaler_db_type: sqlite
+
+# @var droneci_autoscaler_db_server:exaple: $ "localhost"
+# @var droneci_autoscaler_db_port:exaple: $ "5432"
+# @var droneci_autoscaler_db_name:exaple: $ "droneci_autoscaler"
+# @var droneci_autoscaler_db_user:exaple: $ "pgdroneci"
+# @var droneci_autoscaler_db_password:exaple: $ "secure"
+# @var droneci_autoscaler_db_ssl_mode:exaple: $ "disable"
+
+droneci_autoscaler_agent_token: myveryownsecret
+droneci_autoscaler_agent_image: drone/drone-runner-docker:1.5
+droneci_autoscaler_agent_concurrency: 2
+droneci_autoscaler_agent_os: linux
+droneci_autoscaler_agent_architecture: amd64
+droneci_autoscaler_agent_volumes: []
+droneci_autoscaler_agent_package_upgrade: False
+
+droneci_autoscaler_instances: []
+# @var droneci_autoscaler_instances:example: >
+# droneci_autoscaler_instances:
+#   - name: scaler-amd64
+#     pool_max: 50
+#     pool_ttl: 120m
+#     agent_concurrency: 15
+#     agent_architecture: amd64
+#     sshkey: "dummy"
+#     provider_config:
+#       - name: DRONE_HETZNERCLOUD_DATACENTER
+#         value: fsn1
+#       - name: DRONE_HETZNERCLOUD_TOKEN
+#         value: abc123
+#       - name: DRONE_HETZNERCLOUD_IMAGE
+#         value: ubuntu-18.04
+#       - name: DRONE_HETZNERCLOUD_TYPE
+#         value:
+#       # SSH key id from hcloud API
+#       - name: DRONE_HETZNERCLOUD_SSHKEY
+#         value:
+#       - name: DRONE_HETZNERCLOUD_USERDATA_FILE
+#         value: /etc/scaler/userdata.yml
+# @end
+
+droneci_autoscaler_runner_volumes: []
+droneci_autoscaler_runner_privileged: []
+
+# @var droneci_autoscaler_volumes:description: >
+# Define required docker volumes. If you don't use sqlite you could remove the default volume.
+# @end
+# @var droneci_autoscaler_volumes:example: >
+# droneci_autoscaler_volumes:
+#   # Instead of the name you could specify a path on the container host system,
+#   # but you also have to enable bind mount for this volume
+#   - name: data
+#     # target location inside the container
+#     dest: /var/lib/drone_autoscaler
+#     # enable bind mount, if false volume will be configured as named volume
+#     # keep in mind you MUST set bind in any case
+#     bind: True
+# @end
+droneci_autoscaler_volumes:
+  - name: data
+    dest: /var/lib/drone_autoscaler
+    bind: False
+
+# @var droneci_autoscaler_memory_limit:example: $ "512m"
+# @var droneci_autoscaler_memory_limit: $ "_unset_"
+# @var droneci_autoscaler_memory_reservation:example: $ "256m"
+# @var droneci_autoscaler_memory_reservation: $ "_unset_"
+
+# @var droneci_autoscaler_networks:example: >
+# droneci_autoscaler_networks:
+#   - name: default
+#     # optional network driver, defaults to 'bride'
+#     driver: host
+# @end
+droneci_autoscaler_networks:
+  - name: droneci_default
+    external: True
+
+droneci_autoscaler_networks_applied:
+  - droneci_default
--- a/meta/main.yml
+++ b/meta/main.yml
@ -0,0 +1,24 @@
+# Standards: 0.1
+---
+galaxy_info:
+  # @meta author:value: [Robert Kaussow](https://gitea.rknet.org/xoxys)
+  author: "Robert Kaussow <mail@thegeeklab.de>"
+  # @meta description: >
+  # [![Source Code](https://img.shields.io/badge/gitea-source%20code-blue?logo=gitea&logoColor=white)](https://gitea.rknet.org/ansible/xoxys.droneci_autoscaler)
+  # [![Build Status](https://img.shields.io/drone/build/ansible/xoxys.droneci_autoscaler?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/ansible/xoxys.droneci_autoscaler)
+  # [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](LICENSE)
+  #
+  # Setup [Drone CI autoscaler](https://autoscale.drone.io/).
+  # @end
+  description: Setup Drone CI autoscaler
+  license: MIT
+  min_ansible_version: 2.8
+  platforms:
+    - name: EL
+      versions:
+        - 7
+  galaxy_tags:
+dependencies: []
+collections:
+  - community.general
+  - community.crypto
--- a/molecule/centos7/converge.yml
+++ b/molecule/centos7/converge.yml
@ -0,0 +1,36 @@
+---
+- name: Converge
+  hosts: all
+  environment:
+    PYTHONPATH: /opt/python2/ansible-deps/lib/python2.7/site-packages
+  vars:
+    dockerengine_packages_extra:
+      - epel-release
+      - python-pip
+      - python-virtualenv
+    dockerengine_networks:
+      - name: droneci_default
+    droneci_autoscaler_service_stopped: True
+    droneci_autoscaler_instances:
+      - name: scaler-amd64
+        pool_max: 50
+        pool_ttl: 120m
+        agent_concurrency: 15
+        agent_architecture: amd64
+        provider_config:
+          - name: DRONE_HETZNERCLOUD_DATACENTER
+            value: fsn1
+          - name: DRONE_HETZNERCLOUD_TOKEN
+            value: mytoken
+          - name: DRONE_HETZNERCLOUD_IMAGE
+            value: ubuntu-18.04
+          - name: DRONE_HETZNERCLOUD_TYPE
+            value: cx11
+          - name: DRONE_HETZNERCLOUD_SSHKEY
+            value: keyid1
+          - name: DRONE_HETZNERCLOUD_USERDATA_FILE
+            value: /etc/scaler/userdata.yml
+
+  roles:
+    - role: xoxys.docker_engine
+    - role: xoxys.droneci_autoscaler
--- a/molecule/centos7/create.yml
+++ b/molecule/centos7/create.yml
@ -0,0 +1,89 @@
+---
+
+- name: Create
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ molecule_no_log }}"
+  vars:
+    ssh_user: root
+    ssh_port: 22
+
+    keypair_name: molecule_key
+    keypair_path: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}/ssh_key"
+  tasks:
+    - name: Create local keypair
+      user:
+        name: "{{ lookup('env', 'USER') }}"
+        generate_ssh_key: true
+        ssh_key_file: "{{ keypair_path }}"
+      register: local_keypair
+
+    - name: Create remote keypair
+      digital_ocean_sshkey:
+        name: "{{ keypair_name }}"
+        ssh_pub_key: "{{ local_keypair.ssh_public_key }}"
+        state: present
+      register: remote_keypair
+
+    - name: Create molecule instance(s)
+      digital_ocean_droplet:
+        name: "{{ item.name }}"
+        unique_name: true
+        region: "{{ item.region_id }}"
+        image: "{{ item.image_id }}"
+        size: "{{ item.size_id }}"
+        ssh_keys: "{{ remote_keypair.data.ssh_key.id }}"
+        wait: true
+        wait_timeout: 300
+        state: present
+      register: server
+      loop: "{{ molecule_yml.platforms }}"
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) creation to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: digitalocean_jobs
+      until: digitalocean_jobs.finished
+      retries: 300
+      loop: "{{ server.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config dict
+      set_fact:
+        instance_conf_dict: {
+          'instance': "{{ item.data.droplet.name }}",
+          'address': "{{ item.data.ip_address }}",
+          'user': "{{ ssh_user }}",
+          'port': "{{ ssh_port }}",
+          'identity_file': "{{ keypair_path }}",
+          'droplet_id': "{{ item.data.droplet.id }}",
+          'ssh_key_id': "{{ remote_keypair.data.ssh_key.id }}",
+        }
+      loop: "{{ digitalocean_jobs.results }}"
+      register: instance_config_dict
+      when: server.changed | bool
+
+    - name: Convert instance config dict to a list
+      set_fact:
+        instance_conf: "{{ instance_config_dict.results | map(attribute='ansible_facts.instance_conf_dict') | list }}"
+      when: server.changed | bool
+
+    - name: Dump instance config
+      copy:
+        content: "{{ instance_conf | to_json | from_json | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+
+    - name: Wait for SSH
+      wait_for:
+        port: "{{ ssh_port }}"
+        host: "{{ item.address }}"
+        search_regex: SSH
+        delay: 10
+        timeout: 320
+      loop: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+
--- a/molecule/centos7/destroy.yml
+++ b/molecule/centos7/destroy.yml
@ -0,0 +1,56 @@
+---
+
+- name: Destroy
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ molecule_no_log }}"
+  tasks:
+    - block:
+        - name: Populate instance config
+          set_fact:
+            instance_conf: "{{ lookup('file', molecule_instance_config) | molecule_from_yaml }}"
+            skip_instances: false
+      rescue:
+        - name: Populate instance config when file missing
+          set_fact:
+            instance_conf: {}
+            skip_instances: true
+
+    - name: Destroy molecule instance(s)
+      digital_ocean_droplet:
+        name: "{{ item.instance }}"
+        id: "{{ item.droplet_id }}"
+        state: absent
+      register: server
+      loop: "{{ instance_conf | flatten(levels=1) }}"
+      when: not skip_instances
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) deletion to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: digitalocean_jobs
+      until: digitalocean_jobs.finished
+      retries: 300
+      loop: "{{ server.results }}"
+
+    - name: Delete remote keypair
+      digital_ocean_sshkey:
+        fingerprint: "{{ item.ssh_key_id }}"
+        state: absent
+      loop: "{{ instance_conf | flatten(levels=1) }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config
+      set_fact:
+        instance_conf: {}
+
+    - name: Dump instance config
+      copy:
+        content: "{{ instance_conf | molecule_to_yaml | molecule_header }}"
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+
--- a/molecule/centos7/molecule.yml
+++ b/molecule/centos7/molecule.yml
@ -0,0 +1,22 @@
+---
+dependency:
+  name: galaxy
+  options:
+    role-file: molecule/requirements.yml
+    requirements-file: molecule/requirements.yml
+driver:
+  name: delegated
+platforms:
+  - name: centos7-droneci-autoscaler
+    region_id: fra1
+    image_id: centos-7-x64
+    size_id: s-1vcpu-1gb
+lint: |
+  /usr/local/bin/flake8
+provisioner:
+  name: ansible
+  env:
+    ANSIBLE_FILTER_PLUGINS: ${ANSIBLE_FILTER_PLUGINS:-./plugins/filter}
+    ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-./library}
+verifier:
+  name: testinfra
--- a/molecule/centos7/prepare.yml
+++ b/molecule/centos7/prepare.yml
@ -0,0 +1,9 @@
+---
+- name: Prepare
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Install python for Ansible
+      raw: test -e /usr/bin/python || (dnf -y install python3 && alternatives --set python /usr/bin/python3)
+      become: true
+      changed_when: false
--- a/molecule/centos7/tests/test_default.py
+++ b/molecule/centos7/tests/test_default.py
@ -0,0 +1,15 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+import warnings
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_droneci_compose_file(host):
+    f = host.file(
+        '/var/lib/docker/services/droneci_autoscaler_amd64/docker-compose.yml')
+    assert f.exists
--- a/molecule/default
+++ b/molecule/default
@ -0,0 +1 @@
+centos7
--- a/molecule/pytest.ini
+++ b/molecule/pytest.ini
@ -0,0 +1,3 @@
+[pytest]
+filterwarnings =
+    ignore::DeprecationWarning
--- a/molecule/requirements.yml
+++ b/molecule/requirements.yml
@ -0,0 +1,11 @@
+---
+collections:
+  - name: https://gitea.rknet.org/ansible/xoxys.general/releases/download/v1.2.0/xoxys-general-1.2.0.tar.gz
+  - name: community.general
+  - name: community.crypto
+
+roles:
+  - src: https://gitea.rknet.org/ansible/xoxys.docker_engine.git
+    name: xoxys.docker_engine
+    scm: git
+    version: master
--- a/tasks/main.yml
+++ b/tasks/main.yml
@ -0,0 +1,6 @@
+---
+- include_tasks:
+    file: setup.yml
+  loop: "{{ droneci_autoscaler_instances }}"
+  loop_control:
+    loop_var: inst
--- a/tasks/setup.yml
+++ b/tasks/setup.yml
@ -0,0 +1,55 @@
+---
+- name: Register working directory
+  set_fact:
+    __droneci_autoscaler_workdir: "{{ droneci_autoscaler_service_directory }}_{{ inst.name }}"
+
+- name: Register SSH key
+  set_fact:
+    __droneci_autoscaler_sshkey: "{{ inst.ssh_key | default(droneci_autoscaler_sshkey) | default(False) }}"
+
+- block:
+    - name: Ensure service directory exists
+      file:
+        path: "{{ __droneci_autoscaler_workdir }}"
+        state: directory
+        mode: 0755
+
+    - name: Deploy compose file to '{{ __droneci_autoscaler_workdir }}'
+      template:
+        src: "services/droneci_autoscaler_compose.yml.j2"
+        dest: "{{ __droneci_autoscaler_workdir }}/docker-compose.yml"
+        owner: root
+        group: root
+        mode: 0640
+        validate: "docker-compose -f %s config -q"
+
+    - name: Write SSH private key
+      copy:
+        content: "{{ item }}"
+        dest: "{{ __droneci_autoscaler_workdir }}/ssh_key"
+        mode: 0600
+      loop: "{{ inst.ssh_key | default(droneci_autoscaler_sshkey) }}"
+      when: __droneci_autoscaler_sshkey
+      no_log: True
+
+    - name: Generate SSH key pair if missing
+      openssh_keypair:
+        path: "{{ __droneci_autoscaler_workdir }}/ssh_key"
+        type: ed25519
+        force: False
+        state: present
+
+    - name: Write userdata
+      template:
+        src: services/userdata.yml.j2
+        dest: "{{ __droneci_autoscaler_workdir }}/userdata.yml"
+
+    - name: Ensure scaler is up and running
+      docker_compose:
+        project_src: "{{ __droneci_autoscaler_workdir }}"
+        pull: yes
+        remove_orphans: yes
+        stopped: "{{ inst.service_stopped | default(droneci_autoscaler_service_stopped) }}"
+        state: present
+  become: True
+  become_user: root
--- a/templates/services/droneci_autoscaler_compose.yml.j2
+++ b/templates/services/droneci_autoscaler_compose.yml.j2
@ -0,0 +1,89 @@
+#jinja2:lstrip_blocks: True
+{{ ansible_managed | comment }}
+version: "2.4"
+
+services:
+  droneci_autoscaler_{{ inst.name }}:
+    container_name: {{ droneci_autoscaler_container_name }}
+    image: {{ droneci_autoscaler_image }}
+    restart: {{ droneci_autoscaler_restart_policy }}
+    volumes:
+      - "{{ __droneci_autoscaler_workdir }}/userdata.yml:/etc/scaler/userdata.yml"
+      - "{{ __droneci_autoscaler_workdir }}/ssh_key:/root/.ssh/id_rsa:ro"
+      {% for volume in droneci_autoscaler_volumes %}
+      - "{{ volume.name }}:{{ volume.dest }}"
+      {% endfor %}
+    {% if droneci_autoscaler_networks_applied | default([]) %}
+    networks:
+      {% for network in droneci_autoscaler_networks_applied %}
+      - {{ network }}
+      {% endfor %}
+    {% endif %}
+    environment:
+      - DRONE_INTERVAL={{ inst.interval | default(droneci_autoscaler_interval) }}
+      {% if (inst.slack_webhook | default(droneci_autoscaler_slack_webhook)) is defined %}
+      - DRONE_SLACK_WEBHOOK={{ inst.slack_webhook | default(droneci_autoscaler_slack_webhook) }}
+      - DRONE_SLACK_CREATE={{ (inst.slack_create | default(droneci_autoscaler_slack_create)) | bool | lower }}
+      - DRONE_SLACK_DESTROY={{ (inst.slack_destroy | default(droneci_autoscaler_slack_destroy)) | bool | lower }}
+      - DRONE_SLACK_ERROR={{ (inst.slack_error | default(droneci_autoscaler_slack_error)) | bool | lower }}
+      {% endif %}
+      - DRONE_LOGS_COLOR={{ (inst.logs_color | default(droneci_autoscaler_logs_color)) | bool | lower }}
+      - DRONE_LOGS_PRETTY={{ (inst.logs_pretty | default(droneci_autoscaler_logs_pretty)) | bool | lower }}
+      - DRONE_LOGS_DEBUG={{ (inst.logs_debug | default(droneci_autoscaler_logs_debug)) | bool | lower }}
+      - DRONE_POOL_MIN={{ inst.pool_min | default(droneci_autoscaler_pool_min) }}
+      - DRONE_POOL_MAX={{ inst.pool_max | default(droneci_autoscaler_pool_max) }}
+      - DRONE_POOL_MIN_AGE={{ inst.pool_ttl | default(droneci_autoscaler_pool_ttl) }}
+      - DRONE_SERVER_HOST={{ droneci_autoscaler_server_host }}
+      - DRONE_SERVER_PROTO={{ droneci_autoscaler_server_proto }}
+      - DRONE_SERVER_TOKEN={{ droneci_autoscaler_server_token }}
+      - DRONE_AGENT_TOKEN={{ inst.agent_token | default(droneci_autoscaler_agent_token) }}
+      - DRONE_AGENT_IMAGE={{ inst.agent_image | default(droneci_autoscaler_agent_image) }}
+      - DRONE_AGENT_CONCURRENCY={{ inst.agent_concurrency | default(droneci_autoscaler_agent_concurrency) }}
+      - DRONE_AGENT_OS={{ inst.agent_os | default(droneci_autoscaler_agent_os) }}
+      - DRONE_AGENT_ARCH={{ inst.agent_architecture | default(droneci_autoscaler_agent_architecture) }}
+      {% if inst.agent_volumes | default(droneci_autoscaler_agent_volumes) | default(False) %}
+      - DRONE_AGENT_VOLUMES={{ inst.agent_volumes | default(droneci_autoscaler_agent_volumes) | join(",") }}
+      {% endif %}
+      {% if inst.runner_volumes | default(droneci_autoscaler_runner_volumes) | default(False) %}
+      - DRONE_RUNNER_VOLUMES={{ inst.runner_volumes | default(droneci_autoscaler_runner_volumes) | join(",") }}
+      {% endif %}
+      - DRONE_RUNNER_PRIVILEGED_IMAGES={{ inst.runner_privileged | default(droneci_autoscaler_runner_privileged) | join(",") }}
+      - DRONE_GC_ENABLED={{ (inst.gc_enabled | default(droneci_autoscaler_gc_enabled)) | bool | lower }}
+      - DRONE_GC_DEBUG=false
+      - DRONE_REAPER_ENABLED=true
+      - DRONE_REAPER_INTERVAL=30m
+      - DRONE_WATCHTOWER_ENABLED={{ (inst.watchtower_enabled | default(droneci_autoscaler_watchtower_enabled)) | bool | lower }}
+      {% if (inst.prometheus_token | default(droneci_autoscaler_prometheus_token)) is defined %}
+      - DRONE_PROMETHEUS_AUTH_TOKEN={{ inst.prometheus_token | default(droneci_autoscaler_prometheus_token) }}
+      {% endif %}
+      {% if droneci_autoscaler_db_type == "pgsql" %}
+      - DRONE_DATABASE_DRIVER=postgres
+      - DRONE_DATABASE_DATASOURCE=postgres://{{ droneci_autoscaler_db_user }}:{{ droneci_autoscaler_db_password }}@{{ droneci_autoscaler_db_server }}/{{ droneci_autoscaler_db_name }}?sslmode={{ droneci_autoscaler_db_ssl_mode }}
+      {% endif %}
+      {% for item in inst.provider_config %}
+      - {{ item.name | upper }}={{ item.value }}
+      {% endfor %}
+    {% if droneci_autoscaler_memory_limit is defined %}
+    mem_limit: {{ droneci_autoscaler_memory_limit }}
+    {% endif %}
+    {% if droneci_autoscaler_memory_reservation is defined %}
+    mem_reservation: {{ droneci_autoscaler_memory_reservation }}
+    {% endif %}
+{% if droneci_autoscaler_networks | default([]) | length > 0 %}
+{% if droneci_autoscaler_volumes | default([]) | rejectattr("bind") | list | length > 0 %}
+
+volumes:
+  {% for volume in droneci_autoscaler_volumes | rejectattr("bind") %}
+  {{ volume.name }}:
+  {% endfor %}
+{% endif %}
+networks:
+  {% for network in droneci_autoscaler_networks %}
+  {{ network.name }}:
+    {% if network.external | default(False) | bool %}
+    external: true
+    {% else %}
+    driver: {{ network.backend | default("bridge") }}
+    {% endif %}
+  {% endfor %}
+{% endif %}
--- a/templates/services/userdata.yml.j2
+++ b/templates/services/userdata.yml.j2
@ -0,0 +1,61 @@
+#jinja2: lstrip_blocks: True
+#cloud-config
+
+apt_reboot_if_required: false
+package_update: true
+package_upgrade: {{ droneci_autoscaler_agent_package_upgrade | bool | lower }}
+{% if inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm" %}
+
+bootcmd:
+  - [ dpkg, --add-architecture, armhf ]
+{% endif %}
+
+apt:
+  sources:
+    docker.list:
+      source: deb [arch={% if inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm" %}armhf{% elif inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm64" %}arm64{% else %}amd64{% endif %}] https://download.docker.com/linux/ubuntu $RELEASE stable
+      keyid: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
+
+packages:
+  - bridge-utils
+  - 'docker-ce{{ ':armhf' if inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm" else '' }}'
+
+write_files:
+  - path: /etc/systemd/system/docker.service.d/override.conf
+    content: |
+      [Service]
+      ExecStart=
+      ExecStart={% if inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm" %}/usr/bin/setarch linux32 -B {% endif %}/usr/bin/dockerd
+
+  - path: /etc/systemd/system/containerd.service.d/override.conf
+    content: |
+      [Service]
+      ExecStart=
+      ExecStart={% if inst.agent_architecture | default(droneci_autoscaler_agent_architecture) == "arm" %}/usr/bin/setarch linux32 -B {% endif %}/usr/bin/containerd
+
+  - path: /etc/default/docker
+    content: |
+      DOCKER_OPTS=""
+
+  - path: /etc/docker/daemon.json
+    content: |
+      {
+        "hosts": ["0.0.0.0:2376", "unix:///var/run/docker.sock"],
+        "tls": true,
+        "tlsverify": true,
+        "tlscacert": "/etc/docker/ca.pem",
+        "tlscert": "/etc/docker/server-cert.pem",
+        "tlskey": "/etc/docker/server-key.pem"
+      }
+
+  - path: /etc/docker/ca.pem
+    encoding: b64
+    content: {% raw %}{{ .CACert | base64 }}{% endraw %}
+
+  - path: /etc/docker/server-cert.pem
+    encoding: b64
+    content: {% raw %}{{ .TLSCert | base64 }}{% endraw %}
+
+  - path: /etc/docker/server-key.pem
+    encoding: b64
+    content: {% raw %}{{ .TLSKey | base64 }}{% endraw %}