utils/ansible-ipa-[server,replica,client]-install: New --become-method option

This option is the same as the --become-method option with ansible-playbook.
If this option is set, become_method will be set in the generated playbook.

utils/ansible-ipa-client-install

@@ -208,6 +208,12 @@ def parse_options():
                         help="If defined will be used as to create inventory "
                         "file and playbook in. The files will not be removed "
                         "after the playbook processing ended.")
+    parser.add_argument("--become-method",
+                        dest="become_method",
+                        default="sudo",
+                        help="privilege escalation method to use "
+                        "(default=sudo), use `ansible-doc -t become -l` to "
+                        "list valid choices.")
 
     options, args = parser.parse_known_args()
 
@@ -356,15 +362,16 @@ def main(options, args):
         state = "present"
 
     with open(playbook, 'w') as f:
-        f.write("""---
-- name: Playbook to configure IPA clients
-  hosts: ipaclients
-  become: true
-
-  roles:
-  - role: ipaclient
-    state: %s
-""" % state)
+        f.write("---\n")
+        f.write("- name: Playbook to configure IPA clients\n")
+        f.write("  hosts: ipaclients\n")
+        f.write("  become: true\n")
+        if options.become_method:
+            f.write("  become_method: %s\n" % options.become_method)
+        f.write("\n")
+        f.write("  roles:\n")
+        f.write("  - role: ipaclient\n")
+        f.write("    state: %s\n" % state)
 
     try:
         returncode = run_cmd(['ansible-playbook', '-i', inventory, playbook])