fix: field extra_args recursive growth caused by Resource and Subresource to_dict method when cache with CacheDecoder

Author: jamesgetx

dynamic/resource.py

@@ -48,7 +48,7 @@ def __init__(self, prefix=None, group=None, api_version=None, kind=None,
         self.extra_args = kwargs
 
     def to_dict(self):
-        return {
+        d = {
             '_type': 'Resource',
             'prefix': self.prefix,
             'group': self.group,
@@ -58,12 +58,13 @@ def to_dict(self):
             'verbs': self.verbs,
             'name': self.name,
             'preferred': self.preferred,
-            'singular_name': self.singular_name,
-            'short_names': self.short_names,
+            'singularName': self.singular_name,
+            'shortNames': self.short_names,
             'categories': self.categories,
             'subresources': {k: sr.to_dict() for k, sr in self.subresources.items()},
-            'extra_args': self.extra_args,
         }
+        d.update(self.extra_args)
+        return d
 
     @property
     def group_version(self):
@@ -236,7 +237,7 @@ def __init__(self, parent, **kwargs):
         self.api_version = parent.api_version
         self.kind = kwargs.pop('kind')
         self.name = kwargs.pop('name')
-        self.subresource = self.name.split('/')[1]
+        self.subresource = kwargs.pop('subresource', None) or self.name.split('/')[1]
         self.namespaced = kwargs.pop('namespaced', False)
         self.verbs = kwargs.pop('verbs', None)
         self.extra_args = kwargs
@@ -262,14 +263,15 @@ def __getattr__(self, name):
         return partial(getattr(self.parent.client, name), self)
 
     def to_dict(self):
-        return {
+        d = {
             'kind': self.kind,
             'name': self.name,
             'subresource': self.subresource,
             'namespaced': self.namespaced,
-            'verbs': self.verbs,
-            'extra_args': self.extra_args,
+            'verbs': self.verbs
         }
+        d.update(self.extra_args)
+        return d
 
 
 class ResourceInstance(object):

dynamic/test_discovery.py

@@ -38,3 +38,24 @@ def test_init_cache_from_file(self):
 
         # test no Discoverer._write_cache called
         self.assertTrue(mtime1 == mtime2)
+
+    def test_cache_decoder_resource_and_subresource(self):
+        client = DynamicClient(api_client.ApiClient(configuration=self.config))
+        # first invalidate cache
+        client.resources.invalidate_cache()
+
+        # do Discoverer.__init__
+        client = DynamicClient(api_client.ApiClient(configuration=self.config))
+        # the resources of client will use _cache['resources'] in memory
+        deploy1 = client.resources.get(kind='Deployment')
+
+        # do Discoverer.__init__
+        client = DynamicClient(api_client.ApiClient(configuration=self.config))
+        # the resources of client will use _cache['resources'] decode from cache file
+        deploy2 = client.resources.get(kind='Deployment')
+
+        # test Resource is the same
+        self.assertTrue(deploy1 == deploy2)
+
+        # test Subresource is the same
+        self.assertTrue(deploy1.status == deploy2.status)