Use default port if ansible_ssh_port is not set for the delegated node

Also add testcase for it.

lib/ansible/runner/__init__.py

@@ -384,6 +384,7 @@ class Runner(object):
                     interpreters.append(i)
             for i in interpreters:
                 del inject[i]
+            port = C.DEFAULT_REMOTE_PORT
             try:
                 delegate_info = inject['hostvars'][delegate_to]
                 actual_host = delegate_info.get('ansible_ssh_host', delegate_to)
@@ -393,6 +394,7 @@ class Runner(object):
                         inject[i] = delegate_info[i]
             except errors.AnsibleError:
                 actual_host = delegate_to
+                actual_port = port
 
         try:
             if actual_port is not None:

test/TestPlayBook.py

@@ -160,12 +160,19 @@ class TestPlaybook(unittest.TestCase):
        actual = self._run(pb, 'test/alias_hosts')
        expected = {
            "alias-node.example.com": {
-                "changed": 3,
+                "changed": 5,
                 "failures": 0,
-                "ok": 4,
+                "ok": 6,
                 "skipped": 1,
                 "unreachable": 0,
-            }
+            },
+            "other-alias-node.example.com": {
+                "changed": 1,
+                "failures": 0,
+                "ok": 1,
+                "skipped": 0,
+                "unreachable": 1,
+            },
        }
 
        assert utils.jsonify(expected, format=True) == utils.jsonify(actual, format=True)

test/alias_hosts

+other-alias-node.example.com ansible_ssh_host=localhost ansible_ssh_port=28848
+
 [aliasgroup]
-alias-node.example.com ansible_ssh_host=localhost ansible_ssh_port=22
+alias-node.example.com ansible_ssh_host=localhost

test/alias_playbook.yml

 ---
-- hosts: all
+- hosts: aliasgroup
   vars:
     test_file: /tmp/ansible-alias-test
   tasks:
@@ -7,3 +7,10 @@
   - action: command creates=$test_file false
   - local_action: command true
   - action: command removes=$test_file rm -f $test_file
+
+- hosts: all
+  gather_facts: False
+  tasks:
+  - action: command true
+    delegate_to: alias-node.example.com
+  - action: command true