Allow to provide custom handler names

Introduce variables that allow to customize handler names that are
being used. This is especially useful when role is included multiple
times within same playbook.

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-rabbitmq_server/+/876436
Needed-By: https://review.opendev.org/c/openstack/openstack-ansible/+/871189/
Change-Id: I66ad04a5dbbce29c052895649792fa8a49e40a57

defaults/main.yml

@@ -150,3 +150,8 @@ pki_search_install_certificates_pattern: "pki_install_certificates_"
 
 # method used to create the certificates
 pki_method: standalone
+
+# Handlers naming
+pki_handler_ca_changed: "ca cert changed"
+pki_handler_cert_changed: "cert changed"
+pki_handler_cert_installed: "cert installed"

handlers/main.yml

@@ -1,3 +1,4 @@
+---
 # Copyright 2021, BBC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,16 +14,16 @@
 # limitations under the License.
 
 # when the created CA certificates are changed
-- name: ca cert changed
+- name: "{{ pki_handler_ca_changed }}"
   meta: noop
   when: false
 
 # when the created server certificates are changed
-- name: cert changed
+- name: "{{ pki_handler_cert_changed }}"
   meta: noop
   when: false
 
 # when a certificate is installed onto a server
-- name: cert installed
+- name: "{{ pki_handler_cert_installed }}"
   meta: noop
   when: false

releasenotes/notes/pki_handler_variables-6e72209f9cbc4cf5.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Added variables ``pki_handler_ca_changed``, ``pki_handler_cert_changed``
+    and ``pki_handler_cert_installed`` that control name of meta handlers which
+    role triggers when included. This might be useful if multiple roles that
+    leverage the pki role are inlcuded withing same playbook and you want to
+    have better control over handler execution.

tasks/main_certs.yml

@@ -78,4 +78,4 @@
       mode: "{{ install.item.mode | default('0644') }}"
   ignore_errors: "{{ ansible_check_mode }}"
   notify:
-    - cert installed
+    - "{{ pki_handler_cert_installed }}"

tasks/standalone/create_ca.yml

@@ -109,7 +109,7 @@
         - ca.provider == 'selfsigned'
         - ca_csr is changed
       notify:
-        - ca cert changed
+        - "{{ pki_handler_ca_changed }}"
 
     - name: Sign the intermediate CA CSR for {{ ca.name }}
       vars:
@@ -127,7 +127,7 @@
         - ca.provider == 'ownca'
         - ca_csr is changed
       notify:
-        - ca cert changed
+        - "{{ pki_handler_ca_changed }}"
 
     - name: Symlink the certificate name to the most recently generated
       file:

tasks/standalone/create_cert.yml

@@ -65,7 +65,7 @@
         - cert.provider == 'ownca'
         - cert_csr is changed
       notify:
-        - cert changed
+        - "{{ pki_handler_cert_changed }}"
       ignore_errors: "{{ ansible_check_mode }}"
 
     - name: Get certificate info for {{ cert.name }}