Enhance the validation of the quotas update

Need check whether the already used and reserved exceeds the new quota
before update it.

DocImpact
Implements a validation to validate whether already used and reserved
quota exceeds the new quota when run 'nova quota-update', it will throw
error if the quota exceeds. This check will be ignored if admin want to
force update when run 'nova quota-update' with additional option
'--force'.
This validation help admin to be aware of whether the quotas are
oversold when they try to update quota and also provide an option
'--force' to allow admin force update the quotas.

Fix bug 1160749

Change-Id: Iba3cee0f0d92cf2e6d64bc83830b0091992d1ee9

6 files changed, 47 insertions, 5 deletions

diff --git a/doc/api_samples/all_extensions/extensions-get-resp.json b/doc/api_samples/all_extensions/extensions-get-resp.json
index b4323b097..ba23bad1e 100644
--- a/doc/api_samples/all_extensions/extensions-get-resp.json
+++ b/doc/api_samples/all_extensions/extensions-get-resp.json
@@ -426,11 +426,11 @@
         },
         {
             "alias": "os-extended-quotas",
-            "description": "Adds ability for admins to delete quota",
+            "description": "Adds ability for admins to delete quota and optionally force the update Quota command.",
             "links": [],
             "name": "ExtendedQuotas",
-            "namespace": "http://docs.openstack.org/compute/ext/quota-delete/api/v1.1",
-            "updated": "2013-05-23T00:00:00+00:00"
+            "namespace": "http://docs.openstack.org/compute/ext/extended_quotas/api/v1.1",
+            "updated": "2013-06-09T00:00:00+00:00"
         },
         {
             "alias": "os-quota-sets",
diff --git a/doc/api_samples/all_extensions/extensions-get-resp.xml b/doc/api_samples/all_extensions/extensions-get-resp.xml
index 26361e719..64e24b9af 100644
--- a/doc/api_samples/all_extensions/extensions-get-resp.xml
+++ b/doc/api_samples/all_extensions/extensions-get-resp.xml
@@ -177,8 +177,8 @@
   <extension alias="os-quota-class-sets" updated="2012-03-12T00:00:00+00:00" namespace="http://docs.openstack.org/compute/ext/quota-classes-sets/api/v1.1" name="QuotaClasses">
     <description>Quota classes management support.</description>
   </extension>
-  <extension alias="os-extended-quotas" updated="2013-05-23T00:00:00+00:00" namespace="http://docs.openstack.org/compute/ext/quota-delete/api/v1.1" name="ExtendedQuotas">
-    <description>Adds ability for admins to delete quota.</description>
+  <extension alias="os-extended-quotas" updated="2013-06-09T00:00:00+00:00" namespace="http://docs.openstack.org/compute/ext/extended_quotas/api/v1.1" name="ExtendedQuotas">
+    <description>Adds ability for admins to delete quota and optionally force the update Quota command.</description>
   </extension>
   <extension alias="os-quota-sets" updated="2011-08-08T00:00:00+00:00" namespace="http://docs.openstack.org/compute/ext/quotas-sets/api/v1.1" name="Quotas">
     <description>Quotas management support.</description>
diff --git a/doc/api_samples/os-extended-quotas/quotas-update-post-req.json b/doc/api_samples/os-extended-quotas/quotas-update-post-req.json
new file mode 100644
index 000000000..a58a17912
--- /dev/null
+++ b/doc/api_samples/os-extended-quotas/quotas-update-post-req.json
@@ -0,0 +1,6 @@
+{
+    "quota_set": {
+        "force": "True",
+        "instances": 45
+    }
+}
diff --git a/doc/api_samples/os-extended-quotas/quotas-update-post-req.xml b/doc/api_samples/os-extended-quotas/quotas-update-post-req.xml
new file mode 100644
index 000000000..499b890f0
--- /dev/null
+++ b/doc/api_samples/os-extended-quotas/quotas-update-post-req.xml
@@ -0,0 +1,5 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<quota_set id="fake_tenant">
+  <force>True</force>
+  <instances>45</instances>
+</quota_set>
\ No newline at end of file
diff --git a/doc/api_samples/os-extended-quotas/quotas-update-post-resp.json b/doc/api_samples/os-extended-quotas/quotas-update-post-resp.json
new file mode 100644
index 000000000..d9024b77d
--- /dev/null
+++ b/doc/api_samples/os-extended-quotas/quotas-update-post-resp.json
@@ -0,0 +1,16 @@
+{
+    "quota_set": {
+        "cores": 20,
+        "fixed_ips": -1,
+        "floating_ips": 10,
+        "injected_file_content_bytes": 10240,
+        "injected_file_path_bytes": 255,
+        "injected_files": 5,
+        "instances": 45,
+        "key_pairs": 100,
+        "metadata_items": 128,
+        "ram": 51200,
+        "security_group_rules": 20,
+        "security_groups": 10
+    }
+}
diff --git a/doc/api_samples/os-extended-quotas/quotas-update-post-resp.xml b/doc/api_samples/os-extended-quotas/quotas-update-post-resp.xml
new file mode 100644
index 000000000..cd1b80ba0
--- /dev/null
+++ b/doc/api_samples/os-extended-quotas/quotas-update-post-resp.xml
@@ -0,0 +1,15 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<quota_set>
+  <cores>20</cores>
+  <fixed_ips>-1</fixed_ips>
+  <floating_ips>10</floating_ips>
+  <injected_file_content_bytes>10240</injected_file_content_bytes>
+  <injected_file_path_bytes>255</injected_file_path_bytes>
+  <injected_files>5</injected_files>
+  <instances>45</instances>
+  <key_pairs>100</key_pairs>
+  <metadata_items>128</metadata_items>
+  <ram>51200</ram>
+  <security_group_rules>20</security_group_rules>
+  <security_groups>10</security_groups>
+</quota_set>