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|
---
- name: generate config-hash
when: "'config_hash_items' in kubernetes_standalone_pod"
block:
- name: create directory for config-hash files
file:
path: /etc/kubernetes/config-hashes
state: directory
- name: gather stats for config-hash items
loop: "{{ kubernetes_standalone_pod.config_hash_items }}"
loop_control:
loop_var: config_hash_item
label: "{{ config_hash_item.path }} ({{ config_hash_item.properties | sort | join(', ') }})"
stat:
path: "{{ config_hash_item.path }}"
get_checksum: yes
checksum_algorithm: sha256
register: config_hash_items_stat
- assert:
msg: "at least one config-hash item does not exist"
that: false not in (config_hash_items_stat.results | map(attribute='stat.exists'))
- name: generate config-hash file
copy:
content: |
{% for result in config_hash_items_stat.results %}
{{ result.config_hash_item.path }}:
{% for property in (result.config_hash_item.properties | sort) %}
{{ property }}: {{ result.stat[property] }}
{% endfor %}
{% endfor %}
dest: "/etc/kubernetes/config-hashes/{{ kubernetes_standalone_pod.name }}.yml"
- name: compute config-hash value from file
stat:
path: "/etc/kubernetes/config-hashes/{{ kubernetes_standalone_pod.name }}.yml"
get_checksum: yes
checksum_algorithm: sha256
register: config_hash_file_stat
- name: set config-hash value
set_fact:
config_hash_value: "{{ config_hash_file_stat.stat.checksum }}"
- name: make sure to unset config-hash value
when: "'config_hash_items' not in kubernetes_standalone_pod"
block:
- name: remove config-hash file
file:
path: "/etc/kubernetes/config-hashes/{{ kubernetes_standalone_pod.name }}.yml"
state: absent
## this is needed in case the role gets included multiple times within the same playbook
- name: set config-hash value
set_fact:
config_hash_value:
- name: generate pod manifest
copy:
content: |
apiVersion: v1
kind: Pod
metadata:
name: "{{ kubernetes_standalone_pod.name }}"
{% if 'labels' in kubernetes_standalone_pod %}
labels:
{{ kubernetes_standalone_pod.labels | to_nice_yaml(indent=2) | indent(4) }}{% endif %}
{% if config_hash_value or 'annotations' in kubernetes_standalone_pod %}
annotations:
{% if config_hash_value %}
config-hash: "{{ config_hash_value }}"
{% endif %}
{% if 'annotations' in kubernetes_standalone_pod %}
{{ kubernetes_standalone_pod.annotations | default({}) | to_nice_yaml(indent=2) | indent(4) }}{% endif %}
{% endif %}
spec:
{{ kubernetes_standalone_pod.spec | indent(2) }}
dest: "/etc/kubernetes/manifests/{{ kubernetes_standalone_pod.name }}.yml"
mode: "{{ kubernetes_standalone_pod.mode | default(omit) }}"
|
