kubespray/roles/kubernetes-apps/metrics_server/tasks/main.yml

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---
# If all masters have node role, there are no tainted master and toleration should not be specified.
- name: Check all masters are node or not
set_fact:
masters_are_not_tainted: "{{ groups['kube_node'] | intersect(groups['kube_control_plane']) == groups['kube_control_plane'] }}"
- name: check host_architecture is amd64 for metrics_server_resizer
assert:
that: host_architecture == "amd64"
msg: "metrics_server_resizer is not available on other architectures than amd64"
when: metrics_server_resizer
- name: Metrics Server | Delete addon dir
file:
path: "{{ kube_config_dir }}/addons/metrics_server"
state: absent
when:
- inventory_hostname == groups['kube_control_plane'][0]
tags:
- upgrade
- name: Metrics Server | Create addon dir
file:
path: "{{ kube_config_dir }}/addons/metrics_server"
state: directory
owner: root
group: root
mode: 0755
when:
- inventory_hostname == groups['kube_control_plane'][0]
- name: Metrics Server | Templates list
set_fact:
metrics_server_templates:
- { name: auth-delegator, file: auth-delegator.yaml, type: clusterrolebinding }
- { name: auth-reader, file: auth-reader.yaml, type: rolebinding }
- { name: metrics-server-cm, file: metrics-server-cm.yaml, type: cm }
- { name: metrics-server-sa, file: metrics-server-sa.yaml, type: sa }
- { name: metrics-server-deployment, file: metrics-server-deployment.yaml, type: deploy }
- { name: metrics-server-service, file: metrics-server-service.yaml, type: service }
- { name: metrics-apiservice, file: metrics-apiservice.yaml, type: service }
- { name: resource-reader-clusterrolebinding, file: resource-reader-clusterrolebinding.yaml, type: clusterrolebinding }
- { name: resource-reader, file: resource-reader.yaml, type: clusterrole }
- name: Metrics Server | Create manifests
template:
src: "{{ item.file }}.j2"
dest: "{{ kube_config_dir }}/addons/metrics_server/{{ item.file }}"
with_items: "{{ metrics_server_templates }}"
register: metrics_server_manifests
when:
- inventory_hostname == groups['kube_control_plane'][0]
- name: Metrics Server | Apply manifests
kube:
name: "{{ item.item.name }}"
kubectl: "{{ bin_dir }}/kubectl"
resource: "{{ item.item.type }}"
filename: "{{ kube_config_dir }}/addons/metrics_server/{{ item.item.file }}"
state: "latest"
with_items: "{{ metrics_server_manifests.results }}"
when:
- inventory_hostname == groups['kube_control_plane'][0]