131 lines
4.0 KiB
Markdown
131 lines
4.0 KiB
Markdown
# Molecule Hetzner Cloud Plugin
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[](https://drone.autonomic.zone/autonomic-cooperative/molecule-hetznercloud)
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[](https://badge.fury.io/py/molecule-hetznercloud)
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[](LICENSE)
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A [Hetzner Cloud](https://www.hetzner.com/cloud) plugin for [Molecule](https://molecule.readthedocs.io/en/latest/).
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This plugin allows you to do `molecule init role myrolename -d hetznercloud`
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and have Molecule provision on-demand Hetzner Cloud VPSes of your choice for
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your integration testing. New VPSes will be automagically created and
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provisioned on each `molecule test` run, SSH keys are generated and managed
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internally and all resources are cleaned up regardless of whether the role
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under test succeeds or fails.
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## Support
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If you use this plugin in a commercial setting or you find it personally
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useful, please support my maintenance work financially through my
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[Liberapay](https://liberapay.com/decentral1se/) profile or through my [Github
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Sponsor profile](https://github.com/sponsors/decentral1se). I do not receive
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any financial support from RedHat or Hetzner Cloud for this work.
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## Usage
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You need to expose a `HCLOUD_TOKEN` environment variable in your environment.
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Find out more about how to get one of those [over here](https://docs.hetzner.cloud/#overview-authentication).
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```bash
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$ export HCLOUD_TOKEN=mycoolapitoken
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```
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Then install the required Python package.
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```bash
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$ pip install molecule-hetznercloud
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$ molecule init role myrolename -d hetznercloud
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```
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Your `myrolename/molecule/default/molecule.yml` should then look like the following.
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```yaml
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---
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dependency:
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name: galaxy
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driver:
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name: hetznercloud
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platforms:
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- name: instance
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server_type: cx11
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image: debian-10
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provisioner:
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name: ansible
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verifier:
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name: ansible
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```
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Please see [docs.hetzner.cloud](https://docs.hetzner.cloud/) for information regarding images and server types.
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Then just run the role.
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```bash
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$ cd myrolename && molecule test
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```
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To ease initial debugging for getting things started, also expose the following
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environment variables.
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```bash
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$ export MOLECULE_NO_LOG=False # not so verbose, helpful
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$ export MOLECULE_DEBUG=True # very verbose, last ditch effort
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```
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## Only use `molecule.yml` for configuration
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It is being worked on that it is possible to remove all the files except the
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`molecule.yml` scenario file in your scenario directory. This is useful when
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you only require this plugin to do the default behaviour each time. It is also
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useful to reduce maintenance effort for migration of configurations. This
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plugin currently embeds the `create.yml` and `destroy.yml` playbooks. All other
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playbooks (e.g. prepare, cleanup) can be created as needed and Molecule will
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pick them up and run them. Embedding the `converge.yml` awaits [this feature
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request](https://github.com/ansible-community/molecule/issues/2675).
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## Mirroring
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Issues will be responded to on both issue trackers.
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- [git.autonomic.zone](https://git.autonomic.zone/autonomic-cooperative/molecule-hetznercloud) (primary)
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- [github.com](https://github.com/ansible-community/molecule-hetznercloud) (mirror)
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## Change log
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See [CHANGELOG.md](./CHANGELOG.md).
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## Molecule Documentation
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> https://molecule.readthedocs.io
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## Contact
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- Ping @decentral1se on the `#ansible-molecule` channel on [Freenode](https://webchat.freenode.net).
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## License
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The [LGPLv3](https://www.gnu.org/licenses/lgpl-3.0.en.html) license.
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## Testing
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This is all done on our [drone.autonomic.zone](https://drone.autonomic.zone/autonomic-cooperative/molecule-hetznercloud) setup.
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### Unit
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```bash
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$ pip install tox
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$ tox -v
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```
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### Integration
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Only doable by [Autonomic Cooperative](https://autonomic.zone/) members.
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```bash
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$ sudo apt install -y direnv
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$ cp .envrc.sample .envrc
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$ direnv allow
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$ pip install -e .
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$ cd integration-test-role && molecule test
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```
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