organizations: add 2 more endpoints

create_organizational_unit
describe_organizational_unit

moto/organizations/models.py

@@ -12,6 +12,7 @@ ORGANIZATION_ARN_FORMAT = 'arn:aws:organizations::{0}:organization/{1}'
 MASTER_ACCOUNT_ARN_FORMAT = 'arn:aws:organizations::{0}:account/{1}/{0}'
 ACCOUNT_ARN_FORMAT = 'arn:aws:organizations::{0}:account/{1}/{2}'
 ROOT_ARN_FORMAT = 'arn:aws:organizations::{0}:root/{1}/{2}'
+OU_ARN_FORMAT = 'arn:aws:organizations::{0}:ou/{1}/{2}'
 
 class FakeOrganization(BaseModel):
 
@@ -95,32 +96,6 @@ class FakeAccount(BaseModel):
         }
 
 
-class FakeOrganizationalUnit(BaseModel):
-
-    def __init__(self, organization, **kwargs):
-        self.organization_id = organization.id
-        self.master_account_id = organization.master_account_id
-        self.id = utils.make_random_ou_id()
-        self.name = kwargs['Name']
-
-    @property
-    def arn(self):
-        return OU_ARN_FORMAT.format(
-            self.master_account_id,
-            self.organization_id,
-            self.id
-        )
-
-    def describe(self):
-        return {
-            'OrganizationalUnit': {
-                'Id': self.id,
-                'Arn': self.arn,
-                'Name': self.name,
-            }
-        }
-
-
 class FakeRoot(BaseModel):
 
     def __init__(self, organization, **kwargs):
@@ -150,12 +125,40 @@ class FakeRoot(BaseModel):
         }
 
 
+
+class FakeOrganizationalUnit(BaseModel):
+
+    def __init__(self, organization, root_id, **kwargs):
+        self.organization_id = organization.id
+        self.master_account_id = organization.master_account_id
+        self.id = utils.make_random_ou_id(root_id)
+        self.name = kwargs['Name']
+        self.parent_id = kwargs['ParentId']
+
+    @property
+    def arn(self):
+        return OU_ARN_FORMAT.format(
+            self.master_account_id,
+            self.organization_id,
+            self.id
+        )
+
+    def describe(self):
+        return {
+            'OrganizationalUnit': {
+                'Id': self.id,
+                'Arn': self.arn,
+                'Name': self.name,
+            }
+        }
+
 class OrganizationsBackend(BaseBackend):
 
     def __init__(self):
         self.org = None
         self.accounts = []
         self.roots = []
+        self.ou = []
 
     def create_organization(self, **kwargs):
         self.org = FakeOrganization(kwargs['FeatureSet'])
@@ -170,14 +173,27 @@ class OrganizationsBackend(BaseBackend):
             Roots=[root.describe() for root in self.roots]
         )
 
+    def create_organizational_unit(self, **kwargs):
+        new_ou = FakeOrganizationalUnit(self.org, self.roots[0].id, **kwargs)
+        self.ou.append(new_ou)
+        return new_ou.describe()
+
+    def describe_organizational_unit(self, **kwargs):
+        ou = [
+            ou for ou in self.ou if ou.id == kwargs['OrganizationalUnitId']
+        ].pop(0)
+        return ou.describe()
+
     def create_account(self, **kwargs):
         new_account = FakeAccount(self.org, **kwargs)
         self.accounts.append(new_account)
         return new_account.create_account_status
 
     def describe_account(self, **kwargs):
-        account = [account for account in self.accounts
-                   if account.account_id == kwargs['AccountId']][0]
+        account = [
+            account for account in self.accounts
+            if account.account_id == kwargs['AccountId']
+        ].pop(0)
         return account.describe()
 
     def list_accounts(self):

moto/organizations/responses.py

@@ -36,6 +36,16 @@ class OrganizationsResponse(BaseResponse):
             self.organizations_backend.list_roots()
         )
 
+    def create_organizational_unit(self):
+        return json.dumps(
+            self.organizations_backend.create_organizational_unit(**self.request_params)
+        )
+
+    def describe_organizational_unit(self):
+        return json.dumps(
+            self.organizations_backend.describe_organizational_unit(**self.request_params)
+        )
+
     def create_account(self):
         return json.dumps(
             self.organizations_backend.create_account(**self.request_params)