updates junos_command to send commands over netconf (#22540)

* junos_command should send all cli commands over netconf
* task based credentials are now optional
* commands and rpcs are not mutually exclusive anymore

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

@@ -27,9 +27,9 @@ DOCUMENTATION = """
 module: junos_command
 version_added: "2.1"
 author: "Peter Sprygada (@privateip)"
-short_description: Run arbitrary commands on an Juniper junos device
+short_description: Run arbitrary commands on an Juniper JUNOS device
 description:
-  - Sends an arbitrary set of commands to an junos node and returns the results
+  - Sends an arbitrary set of commands to an JUNOS node and returns the results
     read from the device.  This module includes an
     argument that will cause the module to wait for a specific condition
     before returning or timing out if the condition is not met.
@@ -42,7 +42,16 @@ options:
         is returned.  If the I(wait_for) argument is provided, the
         module is not returned until the condition is satisfied or
         the number of I(retries) has been exceeded.
-    required: true
+    required: false
+    default: null
+  rpcs:
+    description:
+      - The C(rpcs) argument accepts a list of RPCs to be executed
+        over a netconf session and the results from the RPC execution
+        is return to the playbook via the modules results dictionary.
+    required: false
+    default: null
+    version_added: "2.3"
   wait_for:
     description:
       - Specifies what to evaluate from the output of the command
@@ -85,9 +94,6 @@ options:
 """
 
 EXAMPLES = """
-# Note: examples below use the following provider dict to handle
-#       transport and authentication to the node.
----
 - name: run show version on remote devices
   junos_command:
     commands: show version
@@ -114,9 +120,13 @@ EXAMPLES = """
 
 - name: run commands and specify the output format
   junos_command:
-    commands:
+    commands: show version
-      - command: show version
+    display: json
-        output: json
+
+- name: run rpc on the remote device
+  junos_command:
+    rpcs: get-software-information
+
 """
 
 RETURN = """
@@ -135,7 +145,6 @@ from xml.etree import ElementTree as etree
 from xml.etree.ElementTree import Element, SubElement, tostring
 
 
-from ansible.module_utils.junos import run_commands
 from ansible.module_utils.junos import junos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.netcli import Conditional, FailedConditionalError
@@ -174,23 +183,28 @@ def to_lines(stdout):
         lines.append(item)
     return lines
 
-def run_rpcs(module, items):
+def rpc(module, items):
 
     responses = list()
 
     for item in items:
         name = item['name']
-        args = item['args']
+        xattrs = item['xattrs']
+
+        args = item.get('args')
+        text = item.get('text')
 
         name = str(name).replace('_', '-')
 
         if all((module.check_mode, not name.startswith('get'))):
             module.fail_json(msg='invalid rpc for running in check_mode')
 
-        xattrs = {'format': item['output']}
-
         element = Element(name, xattrs)
 
+        if text:
+            element.text = text
+
+        elif args:
             for key, value in iteritems(args):
                 key = str(key).replace('_', '-')
                 if isinstance(value, list):
@@ -205,11 +219,13 @@ def run_rpcs(module, items):
 
         reply = send_request(module, element)
 
-        if module.params['display'] == 'text':
+        if xattrs['format'] == 'text':
             data = reply.find('.//output')
             responses.append(data.text.strip())
-        elif module.params['display'] == 'json':
+
+        elif xattrs['format'] == 'json':
             responses.append(module.from_json(reply.text.strip()))
+
         else:
             responses.append(tostring(reply))
 
@@ -224,7 +240,8 @@ def split(value):
 
 def parse_rpcs(module):
     items = list()
-    for rpc in module.params['rpcs']:
+
+    for rpc in (module.params['rpcs'] or list()):
         parts = split(rpc)
 
         name = parts.pop(0)
@@ -239,44 +256,39 @@ def parse_rpcs(module):
             else:
                 args[key] = str(value)
 
-        output = module.params['display'] or 'xml'
+        display = module.params['display'] or 'xml'
-        items.append({'name': name, 'args': args, 'output': output})
+        xattrs = {'format': display}
+
+        items.append({'name': name, 'args': args, 'xattrs': xattrs})
 
     return items
 
-
 def parse_commands(module):
-    spec = dict(
+    items = list()
-        command=dict(key=True),
-        output=dict(default=module.params['display'], choices=['text', 'json', 'xml']),
-        prompt=dict(),
-        answer=dict()
-    )
 
-    transform = ComplexList(spec, module)
+    for command in (module.params['commands'] or list()):
-    commands = transform(module.params['commands'])
+        if module.check_mode and not command.startswith('show'):
-
-    for index, item in enumerate(commands):
-        if module.check_mode and not item['command'].startswith('show'):
             warnings.append(
                 'Only show commands are supported when using check_mode, not '
-                'executing %s' % item['command']
+                'executing %s' % command
             )
 
-        if item['command'].startswith('show configuration'):
+        parts = command.split('|')
-            item['output'] = 'text'
+        text = parts[0]
-        if item['output'] == 'json' and 'display json' not in item['command']:
+
-            item['command'] += '| display json'
+        display = module.params['display'] or 'text'
-        elif item['output'] == 'xml' and 'display xml' not in item['command']:
+        xattrs = {'format': display}
-            item['command'] += '| display xml'
+
-        else:
+        if '| display json' in command:
-            if '| display json' in item['command']:
+            xattrs['format'] = 'json'
-                item['command'] = str(item['command']).replace(' | display json', '')
+
-            elif '| display xml' in item['command']:
+        elif '| display xml' in command:
-                item['command'] = str(item['command']).replace(' | display xml', '')
+            xattrs['format'] = 'xml'
-        commands[index] = item
+
+        items.append({'name': 'command', 'xattrs': xattrs, 'text': text})
+
+    return items
 
-    return commands
 
 def main():
     """entry point for module execution
@@ -296,12 +308,9 @@ def main():
 
     argument_spec.update(junos_argument_spec)
 
-    mutually_exclusive = [('commands', 'rpcs')]
-
     required_one_of = [('commands', 'rpcs')]
 
     module = AnsibleModule(argument_spec=argument_spec,
-                           mutually_exclusive=mutually_exclusive,
                            required_one_of=required_one_of,
                            supports_check_mode=True)
 
@@ -310,11 +319,9 @@ def main():
     warnings = list()
     check_args(module, warnings)
 
-    if module.params['commands']:
+    items = list()
-        items = parse_commands(module)
+    items.extend(parse_commands(module))
-    else:
+    items.extend(parse_rpcs(module))
-        items = parse_rpcs(module)
-
 
     wait_for = module.params['wait_for'] or list()
     display = module.params['display']
@@ -325,15 +332,12 @@ def main():
     match = module.params['match']
 
     while retries > 0:
-        if module.params['commands']:
+        responses = rpc(module, items)
-            responses = run_commands(module, items)
-        else:
-            responses = run_rpcs(module, items)
 
         transformed = list()
 
         for item, resp in zip(items, responses):
-            if item['output'] == 'xml':
+            if item['xattrs']['format'] == 'xml':
                 if not HAS_JXMLEASE:
                     module.fail_json(msg='jxmlease is required but does not appear to '
                         'be installed.  It can be installed using `pip install jxmlease`')