{"id":26276685,"url":"https://github.com/jsabo/tfstacks-hetzner","last_synced_at":"2026-03-16T20:34:40.332Z","repository":{"id":255668222,"uuid":"849329158","full_name":"jsabo/tfstacks-hetzner","owner":"jsabo","description":null,"archived":false,"fork":false,"pushed_at":"2024-10-07T14:37:15.000Z","size":38,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-03-14T11:19:00.114Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"HCL","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/jsabo.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-08-29T12:04:10.000Z","updated_at":"2024-10-07T14:37:51.000Z","dependencies_parsed_at":"2025-03-14T11:19:01.397Z","dependency_job_id":null,"html_url":"https://github.com/jsabo/tfstacks-hetzner","commit_stats":null,"previous_names":["jsabo/tfstatcks-hetzner","jsabo/tfstacks-hetzner"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jsabo%2Ftfstacks-hetzner","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jsabo%2Ftfstacks-hetzner/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jsabo%2Ftfstacks-hetzner/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jsabo%2Ftfstacks-hetzner/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jsabo","download_url":"https://codeload.github.com/jsabo/tfstacks-hetzner/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243565351,"owners_count":20311705,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-03-14T11:19:02.592Z","updated_at":"2025-12-29T20:05:45.143Z","avatar_url":"https://github.com/jsabo.png","language":"HCL","funding_links":[],"categories":[],"sub_categories":[],"readme":"# tfstacks-hetzner\n\nKubernetes lab:\n\n- **Hetzner Cloud** (OpenTofu/Terraform)\n\n---\n\n## Layout\n\n- **Terraform / Hetzner**\n  - `main.tf`, `providers.tf`, `variables.tf`, `outputs.tf`\n  - `cloud-init.tftpl` – shared cloud-init template\n- **Ansible**\n  - `ansible.cfg` – uses `hcloud.yml` + `multipass_inventory.py`\n  - `hcloud.yml` – Hetzner dynamic inventory\n  - `test-playbook.yml` – simple connectivity/privilege check\n\n---\n\n## Prereqs\n\n- OpenTofu/Terraform (`tofu` in examples)\n- Ansible + Python 3\n- SSH key pair (e.g. `~/.ssh/id_rsa.pub`)\n- Hetzner Cloud account + API token\n\nEnvironment:\n\n```bash\nexport TF_VAR_hcloud_token=\"\u003cyour-hetzner-token\u003e\"\nexport HCLOUD_TOKEN=\"$TF_VAR_hcloud_token\"\n````\n\n---\n\n## 1. Hetzner: Create Kubernetes Nodes\n\nFrom repo root:\n\n```bash\ntofu init --upgrade\ntofu apply --auto-approve\n```\n\nThis will:\n\n* Create a Hetzner network + subnet\n* Create `server_count` Ubuntu servers\n* Inject your SSH key\n* Run `cloud-init.tftpl` to:\n\n  * Harden SSH\n  * Set up kernel modules + sysctl\n  * Install containerd, kubelet, kubeadm, kubectl\n  * Configure containerd to use systemd cgroups\n\nDestroy when done:\n\n```bash\ntofu destroy --auto-approve\n```\n\n---\n\n## 3. Ansible: Inventory \u0026 Usage\n\n`ansible.cfg`:\n\n```ini\n[defaults]\ninterpreter_python = auto_silent\ninventory = ./hcloud.yml\nremote_user = ubuntu\n```\n\nSo Ansible sees:\n\n* Hetzner hosts via `hcloud.yml` (groups like `label_environment_dev`)\n\nInspect inventory:\n\n```bash\nansible-inventory --graph\n```\n\nPing everything:\n\n```bash\nansible -m ping all\n```\n\nOnly Hetzner “dev”:\n\n```bash\nansible label_environment_dev -m ping\n```\n\nRun the test playbook:\n\n```bash\nansible-playbook test-playbook.yml          # all hosts\nansible-playbook -l label_environment_dev test-playbook.yml\n```\n\n---\n\n## 4. Interactive Access\n\n### Hetzner\n\n```bash\nssh -l ubuntu \"$(hcloud server ip dev-node-1)\"\nssh -l ubuntu \"$(hcloud server ip dev-node-2)\"\nssh -l ubuntu \"$(hcloud server ip dev-node-3)\"\n```\n\n---\n\n## 5. Cleanup\n\nHetzner:\n\n```bash\ntofu destroy --auto-approve\n```\n\n---\n\n**Notes**\n\n* Kubernetes minor is controlled via `kubernetes_version` (Terraform var + template placeholder).\n* SSH is pubkey-only; ensure the key injected via `cloud-init.tftpl` matches your local key.\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjsabo%2Ftfstacks-hetzner","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjsabo%2Ftfstacks-hetzner","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjsabo%2Ftfstacks-hetzner/lists"}