add topology constraint for each deployment (#1234)

config/crd/bases/awx.ansible.com_awxs.yaml

@@ -169,6 +169,12 @@ spec:
               topology_spread_constraints:
                 description: topology rule(s) for the pods
                 type: string
+              task_topology_spread_constraints:
+                description: topology rule(s) for the task pods
+                type: string
+              web_topology_spread_constraints:
+                description: topology rule(s) for the web pods
+                type: string
               annotations:
                 description: annotations for the pods
                 type: string

roles/installer/defaults/main.yml

@@ -99,6 +99,28 @@ task_node_selector: ''
 #         app.kubernetes.io/name: "<resourcename>"
 topology_spread_constraints: ''
 
+# Add a topologySpreadConstraints for the task pods.
+# Specify as literal block. E.g.:
+# task_topology_spread_constraints: |
+#   - maxSkew: 100
+#     topologyKey: "topology.kubernetes.io/zone"
+#     whenUnsatisfiable: "ScheduleAnyway"
+#     labelSelector:
+#       matchLabels:
+#         app.kubernetes.io/name: "<resourcename>""
+task_topology_spread_constraints: ''
+
+# Add a topologySpreadConstraints for the web pods.
+# Specify as literal block. E.g.:
+# web_topology_spread_constraints: |
+#   - maxSkew: 100
+#     topologyKey: "topology.kubernetes.io/zone"
+#     whenUnsatisfiable: "ScheduleAnyway"
+#     labelSelector:
+#       matchLabels:
+#         app.kubernetes.io/name: "<resourcename>"
+web_topology_spread_constraints: ''
+
 # Add node tolerations for the AWX pods. Specify as literal block. E.g.:
 # tolerations: |
 #   - key: "dedicated"

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

@@ -372,7 +372,10 @@ spec:
       nodeSelector:
         {{ node_selector | indent(width=8) }}
 {% endif %}
-{% if topology_spread_constraints %}
+{% if task_topology_spread_constraints %}
+      topologySpreadConstraints:
+        {{ task_topology_spread_constraints | indent(width=8) }}
+{% elif topology_spread_constraints %}
       topologySpreadConstraints:
         {{ topology_spread_constraints | indent(width=8) }}
 {% endif %}

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

@@ -234,6 +234,13 @@ spec:
       nodeSelector:
         {{ node_selector | indent(width=8) }}
 {% endif %}
+{% if web_topology_spread_constraints %}
+      topologySpreadConstraints:
+        {{ web_topology_spread_constraints | indent(width=8) }}
+{% elif topology_spread_constraints %}
+      topologySpreadConstraints:
+        {{ topology_spread_constraints | indent(width=8) }}
+{% endif %}
 {% if web_tolerations %}
       tolerations:
         {{ web_tolerations| indent(width=8) }}