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Use find module for checking for certificates

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Also generate certs only when absent on master (rather than
when absent on target node)
This commit is contained in:
Matthew Mosesohn
2017-03-03 16:21:01 +03:00
parent a5cd73d047
commit d176818c44
4 changed files with 121 additions and 68 deletions
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67
roles/kubernetes/secrets/tasks/check-certs.yml
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@@ -1,16 +1,11 @@
---
- name: "Check_certs | check if the certs have already been generated on first master"
stat:
path: "{{ kube_cert_dir }}/{{ item }}"
find:
paths: "{{ kube_cert_dir }}"
patterns: "*.pem"
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', 'gen_certs', and 'secret_changed' to false"
set_fact:
@@ -18,33 +13,53 @@
gen_certs: false
secret_changed: false
- name: "Check_certs | Set 'gen_certs' to true"
set_fact:
gen_certs: true
when: "not {{ item.stat.exists }}"
run_once: true
with_items: "{{ kubecert_master.results }}"
- name: "Check certs | check if a cert already exists"
- name: "Check certs | check if a cert already exists on node"
stat:
path: "{{ kube_cert_dir }}/{{ item }}"
register: kubecert
register: kubecert_node
with_items:
- ca.pem
- node-{{ inventory_hostname }}-key.pem
- name: "Check_certs | Set 'gen_certs' to true"
set_fact:
gen_certs: true
when: "not item in kubecert_master.files|map(attribute='path') | list"
run_once: true
with_items: >-
['{{ kube_cert_dir }}/ca.pem',
{% for host in groups['k8s-cluster'] %}
'{{ kube_cert_dir }}/node-{{ host }}-key.pem'
{% if not loop.last %}{{','}}{% endif %}
{% endfor %}]
- name: "Check_certs | Set 'gen_node_certs' to true"
set_fact:
gen_node_certs: |-
{
{% set existing_certs = kubecert_master.files|map(attribute='path')|list|sort %}
{% for host in groups['k8s-cluster'] -%}
{% set host_cert = "%s/node-%s-key.pem"|format(kube_cert_dir, host) %}
{% if host_cert in existing_certs -%}
"{{ host }}": False,
{% else -%}
"{{ host }}": True,
{% endif -%}
{% endfor %}
}
run_once: true
- name: "Check_certs | Set 'sync_certs' to true"
set_fact:
sync_certs: true
when: >-
{%- set certs = {'sync': False} -%}
{%- for host in groups['k8s-cluster'] %}
{% if host == inventory_hostname %}
{% if (not kubecert.results[0].stat.exists|default(False)) or
(not kubecert.results[1].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 -%}
{% if gen_node_certs[inventory_hostname] or
(not kubecert_node.results[0].stat.exists|default(False)) or
(not kubecert_node.results[1].stat.exists|default(False)) or
(kubecert_node.results[1].stat.checksum|default('') != kubecert_master.files|selectattr("path", "equalto", kubecert_node.results[1].stat.path)|first|map(attribute="checksum")|default('')) -%}
{%- set _ = certs.update({'sync': True}) -%}
{% endif %}
{{ certs.sync }}