Support loading introspection rules from YAML files

Writing introspection rules can be annoying, let's support YAML
to make operator's life simpler.

Change-Id: Ie11797d34fef6be6ecbdd30cc3ed43e92294b55c
Story: #2003870
Task: #26707

ironic_inspector_client/shell.py

@@ -20,6 +20,7 @@ import sys
 
 from osc_lib.command import command
 from osc_lib import utils
+import yaml
 
 import ironic_inspector_client
 from ironic_inspector_client import resource as res
@@ -176,19 +177,19 @@ class AbortCommand(command.Command):
 
 
 class RuleImportCommand(command.Lister):
-    """Import one or several introspection rules from a json file."""
+    """Import one or several introspection rules from a JSON/YAML file."""
 
     COLUMNS = ("UUID", "Description")
 
     def get_parser(self, prog_name):
         parser = super(RuleImportCommand, self).get_parser(prog_name)
-        parser.add_argument('file', help='JSON file to import, may contain '
-                            'one or several rules')
+        parser.add_argument('file', help='JSON or YAML file to import, may '
+                            'contain one or several rules')
         return parser
 
     def take_action(self, parsed_args):
         with open(parsed_args.file, 'r') as fp:
-            rules = json.load(fp)
+            rules = yaml.safe_load(fp)
             if not isinstance(rules, list):
                 rules = [rules]
         client = self.app.client_manager.baremetal_introspection

ironic_inspector_client/test/test_shell.py

@@ -230,6 +230,32 @@ class TestRules(BaseTest):
         self.rules_api.from_json.assert_any_call({'foo': 'bar'})
         self.rules_api.from_json.assert_any_call({'answer': 42})
 
+    def test_import_yaml(self):
+        f = tempfile.NamedTemporaryFile()
+        self.addCleanup(f.close)
+        f.write(b"""---
+- foo: bar
+- answer: 42
+""")
+        f.flush()
+
+        arglist = [f.name]
+        verifylist = [('file', f.name)]
+
+        self.rules_api.from_json.side_effect = iter([
+            {'uuid': '1', 'description': 'd1', 'links': []},
+            {'uuid': '2', 'description': 'd2', 'links': []}
+        ])
+
+        cmd = shell.RuleImportCommand(self.app, None)
+        parsed_args = self.check_parser(cmd, arglist, verifylist)
+        cols, values = cmd.take_action(parsed_args)
+
+        self.assertEqual(('UUID', 'Description'), cols)
+        self.assertEqual([('1', 'd1'), ('2', 'd2')], values)
+        self.rules_api.from_json.assert_any_call({'foo': 'bar'})
+        self.rules_api.from_json.assert_any_call({'answer': 42})
+
     def test_list(self):
         self.rules_api.get_all.return_value = [
             {'uuid': '1', 'description': 'd1', 'links': []},

releasenotes/notes/rules-import-yaml-815ebc6ca6fe28b9.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Supports importing introspection rules from YAML files (in addition to
+    already supported JSON format).

requirements.txt

@@ -6,5 +6,6 @@ osc-lib>=1.8.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
+PyYAML>=3.12 # MIT
 requests>=2.14.2 # Apache-2.0
 six>=1.10.0 # MIT