fixes candidate var type in junos shared lib (#22551)

* candidate var can now be string, list or element
* fixes minor bug in junos_template for backup argument
* disabled invalid integration test for junos_template

lib/ansible/module_utils/junos.py

@@ -24,7 +24,7 @@ from ansible.module_utils.basic import env_fallback
 from ansible.module_utils.netconf import send_request, children
 from ansible.module_utils.netconf import discard_changes, validate
 from ansible.module_utils.network_common import to_list
-from ansible.module_utils.connection import exec_command
+from ansible.module_utils.six import string_types
 
 ACTIONS = frozenset(['merge', 'override', 'replace', 'update', 'set'])
 JSON_ACTIONS = frozenset(['merge', 'override', 'update'])
@@ -88,10 +88,13 @@ def load_configuration(module, candidate=None, action='merge', rollback=None, fo
 
         if action == 'set':
             cfg = SubElement(obj, 'configuration-set')
-            cfg.text = '\n'.join(candidate)
         else:
             cfg = SubElement(obj, lookup[format])
-            cfg.text = '\n'.join(candidate)
+
+        if isinstance(candidate, string_types):
+            cfg.text = candidate
+        else:
+            cfg.append(candidate)
 
     return send_request(module, obj)
 
@@ -138,6 +141,7 @@ def locked_config(module):
         unlock_configuration(module)
 
 def get_diff(module):
+
     reply = get_configuration(module, compare=True, format='text')
     output = reply.find('.//configuration-output')
     if output is not None:
@@ -147,6 +151,9 @@ def load_config(module, candidate, action='merge', commit=False, format='xml',
                 comment=None, confirm=False, confirm_timeout=None):
 
     with locked_config(module):
+        if isinstance(candidate, list):
+            candidate = '\n'.join(candidate)
+
         reply = load_configuration(module, candidate, action=action, format=format)
 
         validate(module)

lib/ansible/modules/network/junos/_junos_template.py

@@ -113,19 +113,12 @@ EXAMPLES = """
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.junos import check_args, junos_argument_spec
-from ansible.module_utils.junos import get_configuration, load
+from ansible.module_utils.junos import get_configuration, load_config
 from ansible.module_utils.six import text_type
 
 USE_PERSISTENT_CONNECTION = True
 DEFAULT_COMMENT = 'configured by junos_template'
 
-def check_transport(module):
-    transport = (module.params['provider'] or {}).get('transport')
-
-    if transport == 'netconf':
-        module.fail_json(msg='junos_template module is only supported over cli transport')
-
-
 def main():
 
     argument_spec = dict(
@@ -133,7 +126,7 @@ def main():
         confirm=dict(default=0, type='int'),
         comment=dict(default=DEFAULT_COMMENT),
         action=dict(default='merge', choices=['merge', 'overwrite', 'replace']),
-        config_format=dict(choices=['text', 'set', 'xml']),
+        config_format=dict(choices=['text', 'set', 'xml'], default='text'),
         backup=dict(default=False, type='bool'),
     )
 
@@ -142,8 +135,6 @@ def main():
     module = AnsibleModule(argument_spec=argument_spec,
                            supports_check_mode=True)
 
-    check_transport(module)
-
     warnings = list()
     check_args(module, warnings)
 
@@ -161,9 +152,13 @@ def main():
             "set per junos-pyez documentation")
 
     if module.params['backup']:
-        result['__backup__'] = text_type(get_configuration(module))
+        reply = get_configuration(module, format='set')
+        match = reply.find('.//configuration-set')
+        if match is None:
+            module.fail_json(msg='unable to retrieve device configuration')
+        result['__backup__'] = str(match.text).strip()
 
-    diff = load(module, src, action=action, commit=commit, format=fmt)
+    diff = load_config(module, src, action=action, commit=commit, format=fmt)
     if diff:
         result['changed'] = True
         if module._diff:

test/integration/targets/junos_template/tests/netconf/force.disabled

@@ -22,7 +22,7 @@
 
 - name: check basic config template idempotent
   junos_template:
-    src: basic/config.j2
+    src: basic/config-update.j2
     action: replace
     provider: "{{ netconf }}"
   register: result