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Individual etcd ssl certs

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Includes hooks for triggering calico, kubelet, and kube-apiserver restarts
if etcd certs changed.
This commit is contained in:
Matthew Mosesohn
2016-12-13 09:03:35 +00:00
parent de8cd5cd7f
commit ad796d188d
13 changed files with 140 additions and 54 deletions
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37
roles/etcd/tasks/check_certs.yml
View File

@@ -1,36 +1,51 @@
---
- name: "Check_certs | check if the certs have already been generated on first master"
- name: "Check_certs | check if all certs have already been generated on first master"
stat:
path: "{{ etcd_cert_dir }}/ca.pem"
path: "{{ etcd_cert_dir }}/{{ item }}"
delegate_to: "{{groups['etcd'][0]}}"
register: etcdcert_master
run_once: true
with_items: >-
['ca.pem',
{% set all_etcd_hosts = groups['k8s-cluster']|union(groups['etcd'])|unique %}
{% for host in all_etcd_hosts %}
'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 'etcd_secret_changed' to false"
set_fact:
sync_certs: false
gen_certs: false
etcd_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 etcdcert_master.stat.exists
when: "not {{item.stat.exists}}"
run_once: true
with_items: "{{etcdcert_master.results}}"
- name: "Check certs | check if a cert already exists"
stat:
path: "{{ etcd_cert_dir }}/ca.pem"
path: "{{ etcd_cert_dir }}/node-{{inventory_hostname}}-key.pem"
register: etcdcert
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].etcdcert.stat.exists|default(False)) or
(hostvars[server].etcdcert.stat.checksum|default('') != etcdcert_master.stat.checksum|default('')) -%}
{%- set _ = certs.update({'sync': True}) -%}
{% set all_etcd_hosts = groups['k8s-cluster']|union(groups['etcd'])|unique %}
{% for host in all_etcd_hosts %}
{% if host == inventory_hostname %}
{% if (not etcdcert.results[0].stat.exists|default(False)) or
(etcdcert.results[1].stat.checksum|default('') != etcdcert_master.results[loop.index].stat.checksum|default('')) -%}
{%- set _ = certs.update({'sync': True}) -%}
{% endif %}
{% endif %}
{%- endfor -%}
{{ certs.sync }}
run_once: true