Host aliases (#1373)

* feat: add HostAliases to web/task containers (fixes #646)
* feat: add HostAliases to web/task containers
* Make host_aliases display in the Operator UI
* Add default value for host_aliases and add to web deployment template

Co-authored-by: zhangpeng.zong <zhangpeng.zong@funplus.com>
Co-authored-by: Dimitri Savineau <savineau.dimitri@gmail.com>

roles/installer/defaults/main.yml

@@ -425,3 +425,10 @@ set_self_labels: true
 
 # Disable web container's nginx ipv6 listener
 ipv6_disabled: false
+
+# Set hostAliases on deployments
+#       hostAliases:
+#       - ip: 10.10.0.10
+#         hostnames:
+#         - hostname
+host_aliases: ''

roles/installer/templates/deployments/task.yaml.j2

@@ -59,6 +59,16 @@ spec:
         - name: {{ secret }}
 {% endfor %}
 {% endif %}
+{% if host_aliases is defined and host_aliases | length > 0 %}
+      hostAliases:
+{% for item in host_aliases %}
+      - ip: {{ item.ip }}
+        hostnames:
+{% for hostname in item.hostnames %}
+        - {{ hostname }}
+{% endfor %}
+{% endfor %}
+{% endif %}
 {% if control_plane_priority_class is defined %}
       priorityClassName: '{{ control_plane_priority_class }}'
 {% endif %}

roles/installer/templates/deployments/web.yaml.j2

@@ -60,6 +60,16 @@ spec:
         - name: {{ secret }}
 {% endfor %}
 {% endif %}
+{% if host_aliases is defined and host_aliases | length > 0 %}
+      hostAliases:
+{% for item in host_aliases %}
+      - ip: {{ item.ip }}
+        hostnames:
+{% for hostname in item.hostnames %}
+        - {{ hostname }}
+{% endfor %}
+{% endfor %}
+{% endif %}
 {% if control_plane_priority_class is defined %}
       priorityClassName: '{{ control_plane_priority_class }}'
 {% endif %}