[2.12] 'attributes' (#73707)

* wip 'attributes'

* added version added tests

* syntzx

* not bile

* correztlys merges

* moved desc to frag

* simpler as dict

* unused

* clog

* Update lib/ansible/utils/plugin_docs.py

Co-authored-by: Jacob Floyd <cognifloyd@gmail.com>

* unnoted

* added action plugins

* longer list

* add sttri schema

* huh?

* itsdict

* dictit

* yolo

* gnore for now

* moar attribs

* allow extras

* positive

* added loop, documented 'imports'

* support is now none/partial/full

* import_playbook is outside host loop

Co-authored-by: Jacob Floyd <cognifloyd@gmail.com>

changelogs/fragments/plugin_attributes.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - ansible-doc now supports 'attributes' for plugins as per proposal.

lib/ansible/cli/doc.py

@@ -54,6 +54,7 @@ def jdump(text):
     try:
         display.display(json.dumps(text, cls=AnsibleJSONEncoder, sort_keys=True, indent=4))
     except TypeError as e:
+        display.vvv(traceback.format_exc())
         raise AnsibleError('We could not convert all the documentation into JSON as there was a conversion issue: %s' % to_native(e))
 
 
@@ -780,7 +781,8 @@ class DocCLI(CLI, RoleMixin):
             try:
                 text = DocCLI.get_man_text(doc, collection_name, plugin_type)
             except Exception as e:
-                raise AnsibleError("Unable to retrieve documentation from '%s' due to: %s" % (plugin, to_native(e)))
+                display.vvv(traceback.format_exc())
+                raise AnsibleError("Unable to retrieve documentation from '%s' due to: %s" % (plugin, to_native(e)), orig_exc=e)
 
         return text
 
@@ -874,6 +876,7 @@ class DocCLI(CLI, RoleMixin):
                 pfiles[plugin] = filename
 
             except Exception as e:
+                display.vvv(traceback.format_exc())
                 raise AnsibleError("Failed reading docs at %s: %s" % (plugin, to_native(e)), orig_exc=e)
 
         return pfiles
@@ -921,9 +924,7 @@ class DocCLI(CLI, RoleMixin):
 
     @staticmethod
     def _dump_yaml(struct, indent):
-        return DocCLI.tty_ify('\n'.join([indent + line for line in
+        return DocCLI.tty_ify('\n'.join([indent + line for line in yaml.dump(struct, default_flow_style=False, Dumper=AnsibleDumper).split('\n')]))
-                                         yaml.dump(struct, default_flow_style=False,
-                                                   Dumper=AnsibleDumper).split('\n')]))
 
     @staticmethod
     def add_fields(text, fields, limit, opt_indent, return_values=False, base_indent=''):
@@ -1051,6 +1052,11 @@ class DocCLI(CLI, RoleMixin):
                 DocCLI.add_fields(text, doc.pop('options'), limit, opt_indent)
                 text.append('')
 
+            if doc.get('attributes'):
+                text.append("ATTRIBUTES:\n")
+                text.append(DocCLI._dump_yaml(doc.pop('attributes'), opt_indent))
+                text.append('')
+
             # generic elements we will handle identically
             for k in ('author',):
                 if k not in doc:
@@ -1115,6 +1121,11 @@ class DocCLI(CLI, RoleMixin):
             DocCLI.add_fields(text, doc.pop('options'), limit, opt_indent)
             text.append('')
 
+        if doc.get('attributes', False):
+            text.append("ATTRIBUTES:\n")
+            text.append(DocCLI._dump_yaml(doc.pop('attributes'), opt_indent))
+            text.append('')
+
         if doc.get('notes', False):
             text.append("NOTES:")
             for note in doc['notes']:

lib/ansible/modules/copy.py

@@ -121,9 +121,9 @@ extends_documentation_fragment:
 - decrypt
 - files
 - validate
+- action_common_attributes
 notes:
 - The M(ansible.builtin.copy) module recursively copy facility does not scale to lots (>hundreds) of files.
-- Supports C(check_mode).
 seealso:
 - module: ansible.builtin.assemble
 - module: ansible.builtin.fetch
@@ -134,6 +134,15 @@ seealso:
 author:
 - Ansible Core Team
 - Michael DeHaan
+attributes:
+  action:
+    support: full
+  check_mode:
+    version_added: '0.9'
+    support: full
+  diff_mode:
+    support: full
+    version_added: '0.9'
 '''
 
 EXAMPLES = r'''

lib/ansible/modules/import_playbook.py

@@ -22,6 +22,27 @@ options:
   free-form:
     description:
       - The name of the imported playbook is specified directly without any other option.
+extends_documentation_fragment:
+- action_common_attributes
+attributes:
+    async:
+        support: none
+    become:
+        support: none
+    bypass_host_loop:
+        support: full
+    conditional:
+        support: none
+    connection:
+        support: none
+    delegation:
+        support: none
+    loops:
+        support: none
+    tags:
+        support: none
+    until:
+        support: none
 notes:
   - This is a core feature of Ansible, rather than a module, and cannot be overridden like a module.
 seealso:

lib/ansible/modules/import_role.py

@@ -57,6 +57,27 @@ options:
     type: bool
     default: yes
     version_added: '2.11'
+extends_documentation_fragment:
+- action_common_attributes
+attributes:
+    async:
+        support: none
+    become:
+        support: none
+    bypass_host_loop:
+        support: partial
+    conditional:
+        support: none
+    connection:
+        support: none
+    delegation:
+        support: none
+    loops:
+        support: none
+    tags:
+        support: none
+    until:
+        support: none
 notes:
   - Handlers are made available to the whole play.
   - Since Ansible 2.7 variables defined in C(vars) and C(defaults) for the role are exposed to the play at playbook parsing time.

lib/ansible/modules/import_tasks.py

@@ -22,6 +22,27 @@ options:
       - The name of the imported file is specified directly without any other option.
       - Most keywords, including loops and conditionals, only applied to the imported tasks, not to this statement itself.
       - If you need any of those to apply, use M(ansible.builtin.include_tasks) instead.
+extends_documentation_fragment:
+- action_common_attributes
+attributes:
+    async:
+        support: none
+    become:
+        support: none
+    bypass_host_loop:
+        support: partial
+    conditional:
+        support: none
+    connection:
+        support: none
+    delegation:
+        support: none
+    loops:
+        support: none
+    tags:
+        support: none
+    until:
+        support: none
 notes:
   - This is a core feature of Ansible, rather than a module, and cannot be overridden like a module.
 seealso:

lib/ansible/plugins/doc_fragments/action_common_attributes.py

@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2015, Ansible, Inc
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+
+class ModuleDocFragment(object):
+
+    # Standard documentation fragment
+    DOCUMENTATION = r'''
+attributes:
+    action:
+      description: Indicates this has a corresponding action plugin so some parts of the options can be executed on the controller
+      support: none
+    async:
+      description: Supports being used with the ``async`` keyword
+      support: full
+    become:
+      description: Is usable alongside become keywords
+      support: full
+    bypass_host_loop:
+      description: Forces a 'global' task that does not execute per host, cannot be used in non lockstep strategies
+      support: none
+    check_mode:
+      description: Can run in check_mode and return changed status prediction
+      support: none
+    connection:
+      description: Uses the target's configured connection information to execute code on it
+      support: full
+    conditional:
+      description: Will respect the `when` keyword  per item loop or task (when no loop is present)
+      support: full
+    delegation:
+      description: Can be used in conjunction with delegate_to and related keywords
+      support: full
+    diff:
+      description: Will return details on what has changed when in diff is enabled
+      support: none
+    facts:
+      description: Action returns an ``ansible_facts`` dictionary that will update existing host facts
+      support: none
+    loops:
+      description: both ``loop`` and ``with_`` looping keywords will be honored.
+      support: full
+    proprietary:
+      description: Can only be run against specific proprietary OS, normally a network appliance or similar
+      support: none
+    posix:
+      description: Can be run against most POSIX (and GNU/Linux) OS targets
+      support: full
+    tags:
+      description: Tags will determine if this task considered for execution
+      support: full
+    until:
+      description: Usable inside until/retry loops
+      support: full
+    windows:
+      description: Can be run against Windows OS targets
+      support: none
+'''

lib/ansible/utils/plugin_docs.py

@@ -6,13 +6,14 @@ __metaclass__ = type
 
 from ansible import constants as C
 from ansible.release import __version__ as ansible_version
-from ansible.errors import AnsibleError, AnsibleAssertionError
+from ansible.errors import AnsibleError
 from ansible.module_utils.six import string_types
 from ansible.module_utils._text import to_native
 from ansible.module_utils.common._collections_compat import MutableMapping, MutableSet, MutableSequence
 from ansible.parsing.plugin_docs import read_docstring
 from ansible.parsing.yaml.loader import AnsibleLoader
 from ansible.utils.display import Display
+from ansible.utils.vars import combine_vars
 
 display = Display()
 
@@ -179,17 +180,19 @@ def add_fragments(doc, filename, fragment_loader, is_module=False):
                     doc['seealso'] = []
                 doc['seealso'].extend(seealso)
 
-        if 'options' not in fragment:
+        if 'options' not in fragment and 'attributes' not in fragment:
-            raise Exception("missing options in fragment (%s), possibly misformatted?: %s" % (fragment_name, filename))
+            raise Exception("missing options or attributes in fragment (%s), possibly misformatted?: %s" % (fragment_name, filename))
 
         # ensure options themselves are directly merged
-        if 'options' in doc:
+        for doc_key in ['options', 'attributes']:
+            if doc_key in fragment:
+                if doc_key in doc:
                     try:
-                merge_fragment(doc['options'], fragment.pop('options'))
+                        merge_fragment(doc[doc_key], fragment.pop(doc_key))
                     except Exception as e:
-                raise AnsibleError("%s options (%s) of unknown type: %s" % (to_native(e), fragment_name, filename))
+                        raise AnsibleError("%s %s (%s) of unknown type: %s" % (to_native(e), doc_key, fragment_name, filename))
                 else:
-            doc['options'] = fragment.pop('options')
+                    doc[doc_key] = fragment.pop(doc_key)
 
         # merge rest of the sections
         try:

test/lib/ansible_test/_data/sanity/validate-modules/validate_modules/schema.py

@@ -522,7 +522,7 @@ def doc_schema(module_name, for_collection=False, deprecated_module=False):
         All(
             Schema(
                 doc_schema_dict,
-                extra=PREVENT_EXTRA
+                extra=ALLOW_EXTRA
             ),
             partial(version_added, error_code='module-invalid-version-added', accept_historical=not for_collection),
         )