split kube_feature_gates variable for different kubernetes components (#8677)

* feat: split kube_feature_gates variable for different kubernetes components

* docs: add kube_feaute_gates componet variables
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Alessio Greggi 2022-04-05 14:39:37 +02:00 committed by GitHub
parent b67cadf743
commit bba91a7524
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3 changed files with 26 additions and 12 deletions

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@ -88,11 +88,17 @@ following default cluster parameters:
* *cloud_provider* - Enable extra Kubelet option if operating inside GCE or
OpenStack (default is unset)
* *kube_feature_gates* - A list of key=value pairs that describe feature gates for
alpha/experimental Kubernetes features. (defaults is `[]`)
alpha/experimental Kubernetes features. (defaults is `[]`).
Additionally, you can use also the following variables to individually customize your kubernetes components installation (they works exactly like `kube_feature_gates`):
* *kube_apiserver_feature_gates*
* *kube_controller_feature_gates*
* *kube_scheduler_feature_gates*
* *kube_proxy_feature_gates*
* *kubelet_feature_gates*
* *kubeadm_feature_gates* - A list of key=value pairs that describe feature gates for
alpha/experimental Kubeadm features. (defaults is `[]`)
* *authorization_modes* - A list of [authorization mode](
https://kubernetes.io/docs/admin/authorization/#using-flags-for-your-authorization-module)
https://kubernetes.io/docs/admin/authorization/#using-flags-for-your-authorization-module)
that the cluster should be configured for. Defaults to `['Node', 'RBAC']`
(Node and RBAC authorizers).
Note: `Node` and `RBAC` are enabled by default. Previously deployed clusters can be

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@ -196,8 +196,8 @@ apiServer:
{% for key in kube_kubeadm_apiserver_extra_args %}
{{ key }}: "{{ kube_kubeadm_apiserver_extra_args[key] }}"
{% endfor %}
{% if kube_feature_gates %}
feature-gates: {{ kube_feature_gates|join(',') }}
{% if kube_apiserver_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_apiserver_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] %}
cloud-provider: {{ cloud_provider }}
@ -288,8 +288,8 @@ controllerManager:
bind-address: {{ kube_controller_manager_bind_address }}
leader-elect-lease-duration: {{ kube_controller_manager_leader_elect_lease_duration }}
leader-elect-renew-deadline: {{ kube_controller_manager_leader_elect_renew_deadline }}
{% if kube_feature_gates %}
feature-gates: {{ kube_feature_gates|join(',') }}
{% if kube_controller_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_controller_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
{% for key in kube_kubeadm_controller_extra_args %}
{{ key }}: "{{ kube_kubeadm_controller_extra_args[key] }}"
@ -334,8 +334,8 @@ scheduler:
extraArgs:
bind-address: {{ kube_scheduler_bind_address }}
config: {{ kube_config_dir }}/kubescheduler-config.yaml
{% if kube_feature_gates %}
feature-gates: {{ kube_feature_gates|join(',') }}
{% if kube_scheduler_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_scheduler_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
{% if kube_kubeadm_scheduler_extra_args|length > 0 %}
{% for key in kube_kubeadm_scheduler_extra_args %}
@ -404,9 +404,10 @@ nodePortAddresses: {{ kube_proxy_nodeport_addresses }}
oomScoreAdj: {{ kube_proxy_oom_score_adj }}
portRange: {{ kube_proxy_port_range }}
udpIdleTimeout: {{ kube_proxy_udp_idle_timeout }}
{% if kube_feature_gates %}
{% if kube_proxy_feature_gates or kube_feature_gates %}
{% set feature_gates = ( kube_proxy_feature_gates | default(kube_feature_gates, true) ) %}
featureGates:
{% for feature in kube_feature_gates %}
{% for feature in feature_gates %}
{{ feature|replace("=", ": ") }}
{% endfor %}
{% endif %}
@ -429,9 +430,11 @@ clusterDNS:
{% for dns_address in kubelet_cluster_dns %}
- {{ dns_address }}
{% endfor %}
{% if kube_feature_gates %}
{% if kubelet_feature_gates or kube_feature_gates %}
{% set feature_gates = ( kubelet_feature_gates | default(kube_feature_gates, true) ) %}
featureGates:
{% for feature in kube_feature_gates %}
{% for feature in feature_gates %}
{{ feature|replace("=", ": ") }}
{% endfor %}
{% endif %}

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@ -489,6 +489,11 @@ kubelet_protect_kernel_defaults: true
## List of key=value pairs that describe feature gates for
## the k8s cluster.
kube_feature_gates: []
kube_apiserver_feature_gates: []
kube_controller_feature_gates: []
kube_scheduler_feature_gates: []
kube_proxy_feature_gates: []
kubelet_feature_gates: []
kubeadm_feature_gates: []
# Local volume provisioner storage classes