c8a2fe321b
* Add a flag "authorization_method", when set to "RBAC" enables role based access control. * Add required cluster roles and bindings for kube-dns * Patch tiller deployment to use a service account with proper credentials. * Add a flag to regenerate kubernetes certs on the nodes.
66 lines
2.2 KiB
YAML
66 lines
2.2 KiB
YAML
---
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- name: "Check_certs | check if the certs have already been generated on first master"
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find:
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paths: "{{ kube_cert_dir }}"
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patterns: "*.pem"
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get_checksum: true
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delegate_to: "{{groups['kube-master'][0]}}"
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register: kubecert_master
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run_once: true
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- name: "Check_certs | Set default value for 'sync_certs', 'gen_certs', and 'secret_changed' to false"
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set_fact:
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sync_certs: true
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gen_certs: true
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secret_changed: false
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- name: "Check certs | check if a cert already exists on node"
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stat:
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path: "{{ kube_cert_dir }}/{{ item }}"
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register: kubecert_node
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with_items:
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- ca.pem
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- node-{{ inventory_hostname }}-key.pem
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- name: "Check_certs | Set 'gen_certs' to true"
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set_fact:
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gen_certs: true
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when: "rotate_kubernetes_certs or item not in (kubecert_master.files|map(attribute='path')|list)"
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run_once: true
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with_items: >-
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['{{ kube_cert_dir }}/ca.pem',
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{% for host in groups['k8s-cluster'] %}
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'{{ kube_cert_dir }}/node-{{ host }}-key.pem'
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{% if not loop.last %}{{','}}{% endif %}
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{% endfor %}]
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- name: "Check_certs | Set 'gen_node_certs' to true"
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set_fact:
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gen_node_certs: |-
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{
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{% set existing_certs = kubecert_master.files|map(attribute='path')|list|sort %}
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{% for host in groups['k8s-cluster'] -%}
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{% set host_cert = "%s/node-%s-key.pem"|format(kube_cert_dir, host) %}
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{% if host_cert in existing_certs and not rotate_kubernetes_certs -%}
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"{{ host }}": False,
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{% else -%}
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"{{ host }}": True,
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{% endif -%}
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{% endfor %}
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}
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run_once: true
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- name: "Check_certs | Set 'sync_certs' to true"
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set_fact:
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sync_certs: true
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when: |-
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{%- set certs = {'sync': False} -%}
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{% if gen_node_certs[inventory_hostname] or
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(not kubecert_node.results[0].stat.exists|default(False)) or
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(not kubecert_node.results[1].stat.exists|default(False)) or
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(kubecert_node.results[1].stat.checksum|default('') != kubecert_master.files|selectattr("path", "equalto", kubecert_node.results[1].stat.path)|map(attribute="checksum")|first|default('')) -%}
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{%- set _ = certs.update({'sync': True}) -%}
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{% endif %}
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{{ rotate_kubernetes_certs or certs.sync }}
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