diff --git a/changelogs/fragments/snippets.yml b/changelogs/fragments/snippets.yml new file mode 100644 index 00000000000..d6cd437eac4 --- /dev/null +++ b/changelogs/fragments/snippets.yml @@ -0,0 +1,2 @@ +minor_changes: + - ansbile-doc now also shows snippets for inventory and lookup, adding to existing modules. diff --git a/lib/ansible/cli/doc.py b/lib/ansible/cli/doc.py index 642e2beaec8..14f8a696e08 100644 --- a/lib/ansible/cli/doc.py +++ b/lib/ansible/cli/doc.py @@ -47,6 +47,7 @@ display = Display() TARGET_OPTIONS = C.DOCUMENTABLE_PLUGINS + ('role', 'keyword',) PB_OBJECTS = ['Play', 'Role', 'Block', 'Task'] PB_LOADED = {} +SNIPPETS = ['inventory', 'lookup', 'module'] def jdump(text): @@ -400,32 +401,42 @@ class DocCLI(CLI, RoleMixin): opt_help.add_module_options(self.parser) opt_help.add_basedir_options(self.parser) + # targets self.parser.add_argument('args', nargs='*', help='Plugin', metavar='plugin') self.parser.add_argument("-t", "--type", action="store", default='module', dest='type', help='Choose which plugin type (defaults to "module"). ' 'Available plugin types are : {0}'.format(TARGET_OPTIONS), choices=TARGET_OPTIONS) + + # formatting self.parser.add_argument("-j", "--json", action="store_true", default=False, dest='json_format', help='Change output into json format.') + # TODO: warn if not used with -t roles # role-specific options self.parser.add_argument("-r", "--roles-path", dest='roles_path', default=C.DEFAULT_ROLES_PATH, type=opt_help.unfrack_path(pathsep=True), action=opt_help.PrependListAction, help='The path to the directory containing your roles.') + # modifiers exclusive = self.parser.add_mutually_exclusive_group() + # TODO: warn if not used with -t roles + exclusive.add_argument("-e", "--entry-point", dest="entry_point", + help="Select the entry point for role(s).") + + # TODO: warn with --json as it is incompatible + exclusive.add_argument("-s", "--snippet", action="store_true", default=False, dest='show_snippet', + help='Show playbook snippet for these plugin types: %s' % ', '.join(SNIPPETS)) + + # TODO: warn when arg/plugin is passed exclusive.add_argument("-F", "--list_files", action="store_true", default=False, dest="list_files", help='Show plugin names and their source files without summaries (implies --list). %s' % coll_filter) exclusive.add_argument("-l", "--list", action="store_true", default=False, dest='list_dir', help='List available plugins. %s' % coll_filter) - exclusive.add_argument("-s", "--snippet", action="store_true", default=False, dest='show_snippet', - help='Show playbook snippet for specified plugin(s)') exclusive.add_argument("--metadata-dump", action="store_true", default=False, dest='dump', help='**For internal testing only** Dump json metadata for all plugins.') - exclusive.add_argument("-e", "--entry-point", dest="entry_point", - help="Select the entry point for role(s).") def post_process_args(self, options): options = super(DocCLI, self).post_process_args(options) @@ -785,7 +796,6 @@ class DocCLI(CLI, RoleMixin): result = loader.find_plugin_with_context(plugin, mod_type='.py', ignore_deprecated=True, check_aliases=True) if not result.resolved: raise PluginNotFound('%s was not found in %s' % (plugin, search_paths)) - plugin_name = result.plugin_resolved_name filename = result.plugin_resolved_path collection_name = result.plugin_resolved_collection @@ -829,8 +839,13 @@ class DocCLI(CLI, RoleMixin): doc['returndocs'] = returndocs doc['metadata'] = metadata - if context.CLIARGS['show_snippet'] and plugin_type == 'module': - text = DocCLI.get_snippet_text(doc) + if context.CLIARGS['show_snippet']: + if plugin_type not in SNIPPETS: + raise AnsibleError("Snippets are only available for the following plugin types: %s" % ', '.join(SNIPPETS)) + if plugin_type == 'inventory' and plugin in ('yaml', 'toml'): + # not usable as other inventory plugins + del doc['options'] + text = DocCLI.get_snippet_text(doc, plugin_type) else: try: text = DocCLI.get_man_text(doc, collection_name, plugin_type) @@ -948,32 +963,16 @@ class DocCLI(CLI, RoleMixin): return os.pathsep.join(ret) @staticmethod - def get_snippet_text(doc): - + def get_snippet_text(doc, ptype='module'): + ''' return heavily commented plugin use to insert into play ''' text = [] - desc = DocCLI.tty_ify(doc['short_description']) - text.append("- name: %s" % (desc)) - text.append(" %s:" % (doc['module'])) - pad = 31 - subdent = " " * pad - limit = display.columns - pad - for o in sorted(doc['options'].keys()): - opt = doc['options'][o] - if isinstance(opt['description'], string_types): - desc = DocCLI.tty_ify(opt['description']) - else: - desc = DocCLI.tty_ify(" ".join(opt['description'])) + if ptype == 'lookup': + _do_lookup_snippet(text, doc) + elif 'options' in doc: + _do_yaml_snippet(text, doc) - required = opt.get('required', False) - if not isinstance(required, bool): - raise("Incorrect value for 'Required', a boolean is needed.: %s" % required) - if required: - desc = "(required) %s" % desc - o = '%s:' % o - text.append(" %-20s # %s" % (o, textwrap.fill(desc, limit, subsequent_indent=subdent))) text.append('') - return "\n".join(text) @staticmethod @@ -1260,3 +1259,78 @@ class DocCLI(CLI, RoleMixin): DocCLI.add_fields(text, doc.pop('returndocs'), limit, opt_indent, return_values=True) return "\n".join(text) + + +def _do_yaml_snippet(text, doc): + + mdesc = DocCLI.tty_ify(doc['short_description']) + module = doc.get('module') + if module: + # this is actually a usable task! + text.append("- name: %s" % (mdesc)) + text.append(" %s:" % (module)) + else: + # just a comment, hopefully useful yaml file + text.append("# %s:" % doc.get('plugin', doc.get('name'))) + + pad = 29 + subdent = '# '.rjust(pad + 2) + limit = display.columns - pad + + for o in sorted(doc['options'].keys()): + opt = doc['options'][o] + if isinstance(opt['description'], string_types): + desc = DocCLI.tty_ify(opt['description']) + else: + desc = DocCLI.tty_ify(" ".join(opt['description'])) + + required = opt.get('required', False) + if not isinstance(required, bool): + raise("Incorrect value for 'Required', a boolean is needed.: %s" % required) + + o = '%s:' % o + if module: + if required: + desc = "(required) %s" % desc + text.append(" %-20s # %s" % (o, textwrap.fill(desc, limit, subsequent_indent=subdent))) + else: + if required: + default = '(required)' + else: + default = opt.get('default', 'None') + + text.append("%s %-9s # %s" % (o, default, textwrap.fill(desc, limit, subsequent_indent=subdent, max_lines=3))) + + +def _do_lookup_snippet(text, doc): + + snippet = "lookup('%s', " % doc.get('plugin', doc.get('name')) + comment = [] + for o in sorted(doc['options'].keys()): + + opt = doc['options'][o] + comment.append('# %s(%s): %s' % (o, opt.get('type', 'string'), opt.get('description', ''))) + if o in ('_terms', '_raw', '_list'): + # these are 'list of arguments' + snippet += '< %s >' % (o) + continue + + required = opt.get('required', False) + if not isinstance(required, bool): + raise("Incorrect value for 'Required', a boolean is needed.: %s" % required) + + if required: + default = '' + else: + default = opt.get('default', 'None') + + if opt.get('type') in ('string', 'str'): + snippet += ", %s='%s'" % (o, default) + else: + snippet += ', %s=%s' % (o, default) + + snippet += ")" + if comment: + text.extend(comment) + text.append('') + text.append(snippet)