* control-plane: fix first_kube_control_plane delegation with kube_override_hostname
When kube_override_hostname is configured, the node names reported by
`kubectl get nodes` differ from the inventory_hostname known to Ansible.
This causes delegation failures in subsequent tasks since Ansible cannot
resolve the hostname from kubectl output to an inventory host.
Signed-off-by: Seena Fallah <seenafallah@gmail.com>
* control-plane: remove fragile first_control_plane selection logic
Current implementation breaks with kube_override_hostname and has
multiple edge cases. Drop until proper kubectl-based node lookup
can be implemented.
Signed-off-by: Seena Fallah <seenafallah@gmail.com>
---------
Signed-off-by: Seena Fallah <seenafallah@gmail.com>
* Ensure correct `AuthorizationConfiguration` API version during upgrades
Fixes an issue where the wrong AuthorizationConfiguration API version could be used by kube-apiserver prematurely during upgrades.
The `kubernets/control-plane` role writes configuration for the target version before control plane pods are upgraded.
However, since the `AuthorizationConfiguration` file is reconciled continuously, this leads to a race condition where a new configuration version can be reconciled before kube-apiserver is upgraded to the compatible version.
This solution ensures the correct configuration is available throughout the process by writing each api version to a different file path. Unused file versions are cleaned up post-upgrade for better hygiene.
* Avoid from_json in cleanup task
Adds the ability to configure the Kubernetes API server with a structured authorization configuration file.
Structured AuthorizationConfiguration is a new feature in Kubernetes v1.29+ (GA in v1.32) that configures the API server's authorization modes with a structured configuration file.
AuthorizationConfiguration files offer features not available with the `--authorization-mode` flag, although Kubespray supports both methods and authorization-mode remains the default for now.
Note: Because the `--authorization-config` and `--authorization-mode` flags are mutually exclusive, the `authorization_modes` ansible variable is ignored when `kube_apiserver_use_authorization_config_file` is set to true. The two features cannot be used at the same time.
Docs: https://kubernetes.io/docs/reference/access-authn-authz/authorization/#configuring-the-api-server-using-an-authorization-config-file
Blog + Examples: https://kubernetes.io/blog/2024/04/26/multi-webhook-and-modular-authorization-made-much-easier/
KEP: https://github.com/kubernetes/enhancements/tree/master/keps/sig-auth/3221-structured-authorization-configuration
I tested this all the way back to k8s v1.29 when AuthorizationConfiguration was first introduced as an alpha feature, although v1.29 required some additional workarounds with `kubeadm_patches`, which I included in example comments.
I also included some example comments with CEL expressions that allowed me to configure webhook authorizers without hitting kubeadm 1.29+ issues that block cluster creation and upgrades such as this one: https://github.com/kubernetes/cloud-provider-openstack/issues/2575.
My workaround configures the webhook to ignore requests from kubeadm and system components, which prevents fatal errors from webhooks that are not available yet, and should be authorized by Node or RBAC anyway.
* Validate systemd unit files
This ensure that we fail early if we have a bad systemd unit file
(syntax error, using a version not available in the local version, etc)
* Hack to check systemd version for service files validation
factory-reset.target was introduced in system 250, same version as the
aliasing feature we need for verifying systemd services with ansible.
So we only actually executes the validation if that target is present.
This is an horrible hack which should be reverted as soon as we drop
support for distributions with systemd<250.
* Ensure entries for 1.23 are added for supported_versions vars
* cri-o: add support for kubernetes 1.23 but still use cri-o 1.22
* kubescheduler-config: diferentiate config versions based on kube_version
* Improve control plane scale flow (#13)
* Added version 1.20.10 of K8s
* Setting first_kube_control_plane to a existing one
* Setting first_kube_control_plane to a existing one
* change first_kube_master for first_kube_control_plane
* Ansible-lint changes
* Ansible: move to Ansible 3.4.0 which uses ansible-base 2.10.10
* Docs: add a note about ansible upgrade post 2.9.x
* CI: ensure ansible is removed before ansible 3.x is installed to avoid pip failures
* Ansible: use newer ansible-lint
* Fix ansible-lint 5.0.11 found issues
* syntax issues
* risky-file-permissions
* var-naming
* role-name
* molecule tests
* Mitogen: use 0.3.0rc1 which adds support for ansible 2.10+
* Pin ansible-base to 2.10.11 to get package fix on RHEL8
* Add KubeSchedulerConfiguration for k8s 1.19 and up
With release of version 1.19.0 of kubernetes KubeSchedulerConfiguration
was graduated to beta. It allows to extend different stages of
scheduling with profiles. Such effect is achieved by using plugins and
extensions.
This patch adds KubeSchedulerConfiguration for versions 1.19 and later.
Configuration is set to k8s defaults or to kubespray vars. Moving those
defaults to new vars will be done in following patch.
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
* KubeSchedulerConfiguration: add defaults
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
While at it remove force_certificate_regeneration
This boolean only forced the renewal of the apiserver certs
Either manually use k8s-certs-renew.sh or set auto_renew_certificates
Signed-off-by: Etienne Champetier <e.champetier@ateme.com>
