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chore: document how to incorporate into existing project

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* chore: document that you need to run the airgap role

Signed-off-by: Mörgæsis <morgaesis+git@morgaes.is>
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Mörgæsis
2025-12-15 17:51:43 +00:00
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@@ -32,7 +32,7 @@ It is also recommended that all managed nodes disable firewalls and swap. See [K
### With ansible-galaxy
`k3s-ansible` is a Ansible collection and can be installed with the `ansible-galaxy` command:
`k3s-ansible` is an Ansible collection and can be installed with the `ansible-galaxy` command:
```console
$ ansible-galaxy collection install git+https://github.com/k3s-io/k3s-ansible.git
@@ -103,6 +103,23 @@ ansible-playbook k3s.orchestration.site -i inventory.yml
ansible-playbook playbooks/site.yml -i inventory.yml
```
Alternatively, to run the playbook from your existing project setup, run the playbook from within your own playbook:
*Installed with ansible-galaxy*
```yaml
- name: Import kube cluster playbook
ansible.builtin.import_playbook: k3s-ansible/playbooks/site.yml
```
*Running the playbook from inside the repository*
```yaml
- name: Import kube cluster playbook
ansible.builtin.import_playbook: k3s.orchestration.site
```
### Using an external database
If an external database is preferred, this can be achieved by passing the `--datastore-endpoint` as an extra server argument as well as setting the `use_external_database` flag to true.
@@ -146,7 +163,7 @@ ansible-playbook playbooks/upgrade.yml -i inventory.yml
## Airgap Install
Airgap installation is supported via the `airgap_dir` variable. This variable should be set to the path of a directory containing the K3s binary and images. The release artifacts can be downloaded from the [K3s Releases](https://github.com/k3s-io/k3s/releases). You must download the appropriate images for you architecture (any of the compression formats will work).
Airgap installation is supported via the `airgap_dir` variable. This variable should be set to the path of a directory containing the K3s binary and images. The release artifacts can be downloaded from the [K3s Releases](https://github.com/k3s-io/k3s/releases). You must download the appropriate images for you architecture (any of the compression formats will work). Additionally, you must run the `airgap` role to set up the airgapped environment.
An example folder for an x86_64 cluster:
```bash
@@ -160,7 +177,7 @@ $ cat inventory.yml
airgap_dir: ./my-airgap # Paths are relative to the playbooks directory
```
Additionally, if deploying on a OS with SELinux, you will also need to download the latest [k3s-selinux RPM](https://github.com/k3s-io/k3s-selinux/releases/latest) and place it in the airgap folder.
Additionally, if deploying on an OS with SELinux, you will also need to download the latest [k3s-selinux RPM](https://github.com/k3s-io/k3s-selinux/releases/latest) and place it in the airgap folder.
It is assumed that the control node has access to the internet. The playbook will automatically download the k3s install script on the control node, and then distribute all three artifacts to the managed nodes.