backport correct examples

lib/ansible/modules/web_infrastructure/ansible_tower/tower_credential.py

@@ -42,9 +42,10 @@
     organization:
       description:
         - Organization that should own the credential.
+      required: True
     kind:
       description:
-        - Type of credential being added.
+        - Type of credential being added.  The ssh choice refers to a Tower Machine credential.
       required: True
       choices: ["ssh", "vault", "net", "scm", "aws", "vmware", "satellite6", "cloudforms", "gce", "azure_rm", "openstack", "rhv", "insights", "tower"]
     host:
@@ -121,8 +122,32 @@
     name: Team Name
     description: Team Description
     organization: test-org
+    kind: ssh
     state: present
     tower_config_file: "~/tower_cli.cfg"
+
+- name: Create a valid SCM credential from a private_key file
+  tower_credential:
+    name: SCM Credential
+    organization: Default
+    state: present
+    kind: scm
+    username: joe
+    password: secret
+    ssh_key_data: "{{ lookup('file', '/tmp/id_rsa') }}"
+    ssh_key_unlock: "passphrase"
+
+- name: Add Credential Into Tower
+  tower_credential:
+    name: Workshop Credential
+    ssh_key_data: "/home/{{ansible_user}}/.ssh/aws-private.pem"
+    kind: ssh
+    organization: Default
+    tower_username: admin
+    tower_password: ansible
+    tower_host: https://localhost
+  run_once: true
+  delegate_to: localhost
 '''
 
 import os