add http-errors

README.md

@@ -35,6 +35,9 @@ Role Variables
 * `haproxy_listen`
 
     A list of listen proxies.
+* `haproxy_http_errors`
+
+    A list of http-errors sections containing errorfiles for various status codes.
 
 Here is a complete list of variables:
 ```

tasks/configure.yml

@@ -99,6 +99,40 @@
   loop: "{{ haproxy_backends }}"
   when: haproxy_backends is defined
 
+## ASSEMBLE CONFIG - HTTP-ERRORS
+
+- name: 'Create directory for the http-errors'
+  ansible.builtin.file:
+    path: "{{ haproxy_config_dir }}/http-errors.d"
+    state: directory
+    owner: root
+    group: root
+    mode: 0755
+
+- name: "List files for the http-errors"
+  ansible.builtin.find:
+    paths: "{{ haproxy_config_dir }}/http-errors.d"
+    patterns: "*.cfg"
+  register: directory_contents
+  changed_when: false
+
+- name: "Remove unmanaged files for the http-errors"
+  ansible.builtin.file:
+    path: "{{ item.path }}"
+    state: absent
+  when: (item.path | basename) not in (haproxy_http-errors | json_query('[*].name') | map('regex_replace',  '(^.*$)', '\\1.cfg') | list)
+  loop: "{{ directory_contents.files }}"
+
+- name: 'Build up the http-errors'
+  ansible.builtin.template:
+    src: "backend.cfg"
+    dest: "{{ haproxy_config_dir }}/http-errors.d/{{ item.name }}.cfg"
+    owner: root
+    group: root
+    mode: 0644
+  loop: "{{ haproxy_http_errors }}"
+  when: haproxy_http_errors is defined
+
 ## ASSEMBLE CONFIG - LISTEN
 
 - name: 'Create directory for the listen sections'
@@ -236,6 +270,14 @@
     group: root
     mode: 0644
 
+- name: 'Assemble the http-errors configuration file'
+  ansible.builtin.assemble:
+    src: "{{ haproxy_config_dir }}/http-errors.d"
+    dest: "{{ haproxy_config_dir }}/compiled/07-http-errors.cfg"
+    owner: root
+    group: root
+    mode: 0644
+
 - name: 'Assemble the final configuration file'
   ansible.builtin.assemble:
     src: "{{ haproxy_config_dir }}/compiled"

templates/frontend.cfg

@@ -113,3 +113,7 @@ frontend {{ item.name }} {%if item.ip is defined %}{{ item.ip }}{% endif %}{%if
         use_backend {{ backend.name }} {{ backend.condition }}
     {% endfor -%}
     {% endif -%}
+
+    {%- if item.errorfiles -%}
+        errorfiles {% item.errorfiles %}
+    {% endif %}

templates/http-errors.cfg

+{%- import '_macros.j2' as macros with context -%}
+
+#{{ ansible_managed }}
+http-errors {{ item.name }}
+    {% if item.errorfiles is defined %}
+    {%- for errorfile in item.errorfiles -%}
+        errorfile {{ errorfile.status }} {{ errorfile.file }}