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Add toggle to disable node subnet allocation (#13239)

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Signed-off-by: Justin Lamp <justin.lamp@netways.de>
This commit is contained in:
Justin Lamp
2026-05-16 08:04:34 +02:00
committed by GitHub
parent 2ac815147b
commit 8c3f6270f8
2 changed files with 12 additions and 8 deletions
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3
roles/kubernetes/control-plane/defaults/main/main.yml
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@@ -41,6 +41,9 @@ control_plane_health_retries: 60 # Default retries for apiserver, scheduler, co
kube_controller_manager_leader_elect_lease_duration: 15s kube_controller_manager_leader_elect_lease_duration: 15s
kube_controller_manager_leader_elect_renew_deadline: 10s kube_controller_manager_leader_elect_renew_deadline: 10s
# Controls whether or not the kube_controller_manager allocates subnets for the node object
kube_controller_manager_allocate_node_cidrs: true
# discovery_timeout modifies the discovery timeout # discovery_timeout modifies the discovery timeout
discovery_timeout: 5m0s discovery_timeout: 5m0s

17
roles/kubernetes/control-plane/templates/kubeadm-config.v1beta4.yaml.j2
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@@ -365,14 +365,15 @@ controllerManager:
{% endif %} {% endif %}
- name: service-cluster-ip-range - name: service-cluster-ip-range
value: "{{ kube_service_subnets }}" value: "{{ kube_service_subnets }}"
{% if ( {% if not kube_controller_manager_allocate_node_cidrs
kube_network_plugin is defined and or kube_network_plugin is defined and (
kube_network_plugin == "calico" and (
not calico_ipam_host_local kube_network_plugin == "calico" and
) or ( not calico_ipam_host_local
kube_network_plugin is defined and ) or (
kube_network_plugin == "cilium" and kube_network_plugin == "cilium" and
cilium_ipam_mode == "cluster-pool" cilium_ipam_mode == "cluster-pool"
)
) )
%} %}
- name: allocate-node-cidrs - name: allocate-node-cidrs