Make noop tasks implicit (#71344)

Signed-off-by: Rick Elrod <rick@elrod.me>
Co-authored-by: Rick Elrod <rick@elrod.me>

lib/ansible/plugins/strategy/linear.py

@@ -74,6 +74,7 @@ class StrategyModule(StrategyBase):
         self.noop_task = Task()
         self.noop_task.action = 'meta'
         self.noop_task.args['_raw_params'] = 'noop'
+        self.noop_task.implicit = True
         self.noop_task.set_loader(iterator._play._loader)
 
         return self._create_noop_block_from(original_block, parent)
@@ -88,6 +89,7 @@ class StrategyModule(StrategyBase):
         noop_task = Task()
         noop_task.action = 'meta'
         noop_task.args['_raw_params'] = 'noop'
+        noop_task.implicit = True
         noop_task.set_loader(iterator._play._loader)
 
         host_tasks = {}

test/integration/targets/callback_default/no_implicit_meta_banners.yml

@@ -0,0 +1,11 @@
+# This playbooks generates a noop task in the linear strategy, the output is tested that the banner for noop task is not printed https://github.com/ansible/ansible/pull/71344
+- hosts: all
+  gather_facts: no
+  tasks:
+    - block:
+      - name: EXPECTED FAILURE  # sate shippable
+        fail:
+        when: inventory_hostname == 'host1'
+      rescue:
+      - name: rescue
+        debug:

test/integration/targets/callback_default/runme.sh

@@ -178,3 +178,9 @@ run_test_dryrun check_nomarkers_wet
 
 # Test the dry run without check markers
 run_test_dryrun check_nomarkers_dry --check
+
+# Make sure implicit meta tasks are not printed
+ansible-playbook -i host1,host2 no_implicit_meta_banners.yml > meta_test.out
+cat meta_test.out
+[ "$(grep -c 'TASK \[meta\]' meta_test.out)" -eq 0 ]
+rm -f meta_test.out