Collect arguments for application session stickiness and update docs

changelogs/fragments/548-elb-target-group-app-stickiness.yaml

@@ -0,0 +1,2 @@
+minor_changes:
+- elb_target_group - Add elb target group attributes ``stickiness_app_cookie_name`` and ``stickiness_app_cookie_duration_seconds``. Also update docs for stickiness_type to mention application cookie (https://github.com/ansible-collections/community.aws/pull/548)

docs/community.aws.elb_target_group_module.rst

@@ -468,7 +468,37 @@ Parameters
                 <td>
                 </td>
                 <td>
-                        <div>The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load balancer-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds).</div>
+                        <div>The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load balancer-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds). Assumes <code>stickiness_type</code> is set to <code>lb_cookie</code>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>stickiness_app_cookie_duration</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">integer</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load application-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds). Assumes <code>stickiness_type</code> is <code>app_cookie</code>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>stickiness_app_cookie_name</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The name of the application session cookie.  Assumes <code>stickiness_type</code> is set to <code>app_cookie</code>.</div>
                 </td>
             </tr>
             <tr>
@@ -481,10 +511,16 @@ Parameters
                     </div>
                 </td>
                 <td>
+
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>lb_cookie</b>&nbsp;&larr;</div></li>
+                                    <li>app_cookie</li>
+                                    <li>source_ip</li>
+                        </ul>
                 </td>
                 <td>
                         <div>The type of sticky sessions.</div>
-                        <div>If not set AWS will default to <code>lb_cookie</code> for Application Load Balancers or <code>source_ip</code> for Network Load Balancers.</div>
+                        <div>If not set AWS will default to <code>lb_cookie</code> for Application Load Balancers or <code>source_ip</code> for Network Load Balancers. For Application Load Balancers it is also possible to specify <code>app_cookie</code> for application managed cookies. Assumes <code>stickiness_enabled</code> is set to <code>yes</code>.</div>
                 </td>
             </tr>
             <tr>

plugins/modules/elb_target_group.py

@@ -102,9 +102,23 @@
       - The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load
         balancer-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds).
     type: int
+  stickiness_app_cookie_duration:
+    description:
+      - The time period, in seconds, during which requests from a client
+        should be routed to the same target. After this time period expires,
+        the application-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds).
+    type: int
+    version_added: 1.5.0
+  stickiness_app_cookie_name:
+    description:
+      - The name of the application cookie. Required if C(stickiness_type) is
+        C(app_cookie).
+    type: str
+    version_added: 1.5.0
   stickiness_type:
     description:
       - The type of sticky sessions.
+      - C(lb_cookie), C(app_cookie) or C(source_ip)
       - If not set AWS will default to C(lb_cookie) for Application Load Balancers or C(source_ip) for Network Load Balancers.
     type: str
   successful_response_codes:
@@ -466,6 +480,8 @@ def create_or_update_target_group(connection, module):
     stickiness_enabled = module.params.get("stickiness_enabled")
     stickiness_lb_cookie_duration = module.params.get("stickiness_lb_cookie_duration")
     stickiness_type = module.params.get("stickiness_type")
+    stickiness_app_cookie_duration = module.params.get("stickiness_app_cookie_duration")
+    stickiness_app_cookie_name = module.params.get("stickiness_app_cookie_name")
 
     health_option_keys = [
         "health_check_path", "health_check_protocol", "health_check_interval", "health_check_timeout",
@@ -753,6 +769,12 @@ def create_or_update_target_group(connection, module):
     if stickiness_type is not None:
         if stickiness_type != current_tg_attributes.get('stickiness_type'):
             update_attributes.append({'Key': 'stickiness.type', 'Value': stickiness_type})
+    if stickiness_app_cookie_name is not None:
+        if stickiness_app_cookie_name != current_tg_attributes.get('stickiness_app_cookie_name'):
+            update_attributes.append({'Key': 'stickiness.app_cookie.cookie_name', 'Value': str(stickiness_app_cookie_name)})
+    if stickiness_app_cookie_duration is not None:
+        if str(stickiness_app_cookie_duration) != current_tg_attributes['stickiness_app_cookie_duration_seconds']:
+            update_attributes.append({'Key': 'stickiness.app_cookie.duration_seconds', 'Value': str(stickiness_app_cookie_duration)})
 
     if update_attributes:
         try:
@@ -833,6 +855,8 @@ def main():
         stickiness_enabled=dict(type='bool'),
         stickiness_type=dict(),
         stickiness_lb_cookie_duration=dict(type='int'),
+        stickiness_app_cookie_duration=dict(type='int'),
+        stickiness_app_cookie_name=dict(),
         state=dict(required=True, choices=['present', 'absent']),
         successful_response_codes=dict(),
         tags=dict(default={}, type='dict'),