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Generate individual certificates for k8s hosts

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This commit is contained in:
Matthew Mosesohn
2016-12-27 14:02:45 +03:00
parent 3b0918981e
commit 3f274115b0
6 changed files with 101 additions and 39 deletions
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33
roles/kubernetes/secrets/tasks/check-certs.yml
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@@ -1,36 +1,49 @@
---
- name: "Check_certs | check if the certs have already been generated on first master"
stat:
path: "{{ kube_cert_dir }}/ca.pem"
path: "{{ kube_cert_dir }}/{{ item }}"
delegate_to: "{{groups['kube-master'][0]}}"
register: kubecert_master
run_once: true
with_items: >-
['ca.pem',
{% for host in groups['k8s-cluster'] %}
'node-{{ host }}-key.pem'
{% if not loop.last %}{{','}}{% endif %}
{% endfor %}]
- name: "Check_certs | Set default value for 'sync_certs' and 'gen_certs' to false"
- name: "Check_certs | Set default value for 'sync_certs', 'gen_certs', and 'secret_changed' to false"
set_fact:
sync_certs: false
gen_certs: false
secret_changed: false
- name: "Check_certs | Set 'sync_certs' and 'gen_certs' to true"
- name: "Check_certs | Set 'gen_certs' to true"
set_fact:
gen_certs: true
when: not kubecert_master.stat.exists
when: "not {{ item.stat.exists }}"
run_once: true
with_items: "{{ kubecert_master.results }}"
- name: "Check certs | check if a cert already exists"
stat:
path: "{{ kube_cert_dir }}/ca.pem"
path: "{{ kube_cert_dir }}/{{ item }}"
register: kubecert
with_items:
- ca.pem
- node-{{ inventory_hostname }}-key.pem
- name: "Check_certs | Set 'sync_certs' to true"
set_fact:
sync_certs: true
when: >-
{%- set certs = {'sync': False} -%}
{%- for server in play_hosts
if (not hostvars[server].kubecert.stat.exists|default(False)) or
(hostvars[server].kubecert.stat.checksum|default('') != kubecert_master.stat.checksum|default('')) -%}
{%- set _ = certs.update({'sync': True}) -%}
{%- for host in groups['k8s-cluster'] %}
{% if host == inventory_hostname %}
{% if (not kubecert.results[0].stat.exists|default(False)) or
(kubecert.results[1].stat.checksum|default('') != kubecert_master.results[loop.index].stat.checksum|default('')) -%}
{%- set _ = certs.update({'sync': True}) -%}
{% endif %}
{% endif %}
{%- endfor -%}
{{ certs.sync }}
run_once: true