AWS Budgets Update: Add support for custom time periods in budget configuration

Author: AWS

.changes/next-release/feature-AWSBudgets-a0d93bf.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS Budgets",
+    "contributor": "",
+    "description": "Add support for custom time periods in budget configuration"
+}

services/budgets/src/main/resources/codegen-resources/service-2.json

@@ -699,7 +699,7 @@
       "type":"string",
       "max":2048,
       "min":20,
-      "pattern":"^arn:aws[a-z-]*:(billing)::[0-9]{12}:billingview/[a-zA-Z0-9/:_+=.\\-@]{0,75}[a-zA-Z0-9]$"
+      "pattern":"^arn:aws[a-z-]*:(billing)::[0-9]{12}:billingview/[a-zA-Z0-9/:_\\+=\\.\\-@]{0,75}[a-zA-Z0-9]$"
     },
     "Budget":{
       "type":"structure",
@@ -741,7 +741,7 @@
         },
         "TimePeriod":{
           "shape":"TimePeriod",
-          "documentation":"<p>The period of time that's covered by a budget. You set the start date and end date. The start date must come before the end date. The end date must come before <code>06/15/87 00:00 UTC</code>. </p> <p>If you create your budget and don't specify a start date, Amazon Web Services defaults to the start of your chosen time period (DAILY, MONTHLY, QUARTERLY, or ANNUALLY). For example, if you created your budget on January 24, 2018, chose <code>DAILY</code>, and didn't set a start date, Amazon Web Services set your start date to <code>01/24/18 00:00 UTC</code>. If you chose <code>MONTHLY</code>, Amazon Web Services set your start date to <code>01/01/18 00:00 UTC</code>. If you didn't specify an end date, Amazon Web Services set your end date to <code>06/15/87 00:00 UTC</code>. The defaults are the same for the Billing and Cost Management console and the API. </p> <p>You can change either date with the <code>UpdateBudget</code> operation.</p> <p>After the end date, Amazon Web Services deletes the budget and all the associated notifications and subscribers.</p>"
+          "documentation":"<p>The period of time that's covered by a budget. You set the start date and end date. The start date must come before the end date. The end date must come before <code>06/15/87 00:00 UTC</code>. </p> <p>If you create your budget and don't specify a start date, Amazon Web Services defaults to the start of your chosen time period (DAILY, MONTHLY, QUARTERLY, ANNUALLY, or CUSTOM). For example, if you created your budget on January 24, 2018, chose <code>DAILY</code>, and didn't set a start date, Amazon Web Services set your start date to <code>01/24/18 00:00 UTC</code>. If you chose <code>MONTHLY</code>, Amazon Web Services set your start date to <code>01/01/18 00:00 UTC</code>. If you didn't specify an end date, Amazon Web Services set your end date to <code>06/15/87 00:00 UTC</code>. The defaults are the same for the Billing and Cost Management console and the API. </p> <p>You can change either date with the <code>UpdateBudget</code> operation.</p> <p>After the end date, Amazon Web Services deletes the budget and all the associated notifications and subscribers.</p>"
         },
         "CalculatedSpend":{
           "shape":"CalculatedSpend",
@@ -1773,7 +1773,7 @@
         },
         "StatusReason":{
           "shape":"HealthStatusReason",
-          "documentation":"<p>The reason for the current status.</p> <ul> <li> <p> <code>BILLING_VIEW_NO_ACCESS</code>: The billing view resource does not grant <code>billing:GetBillingViewData</code> permission to this account.</p> </li> <li> <p> <code>BILLING_VIEW_UNHEALTHY</code>: The billing view associated with the budget is unhealthy.</p> </li> <li> <p> <code>FILTER_INVALID</code>: The filter contains reference to an account you do not have access to.</p> </li> </ul>"
+          "documentation":"<p>The reason for the current status.</p> <ul> <li> <p> <code>BILLING_VIEW_NO_ACCESS</code>: The billing view resource does not grant <code>billing:GetBillingViewData</code> permission to this account.</p> </li> <li> <p> <code>BILLING_VIEW_UNHEALTHY</code>: The billing view associated with the budget is unhealthy.</p> </li> <li> <p> <code>FILTER_INVALID</code>: The filter contains reference to an account you do not have access to.</p> </li> <li> <p> <code>MULTI_YEAR_HISTORICAL_DATA_DISABLED</code>: The budget is not being updated. Enable multi-year historical data in your Cost Management preferences.</p> </li> </ul>"
         },
         "LastUpdatedTime":{"shape":"GenericTimestamp"}
       },
@@ -1784,7 +1784,8 @@
       "enum":[
         "BILLING_VIEW_NO_ACCESS",
         "BILLING_VIEW_UNHEALTHY",
-        "FILTER_INVALID"
+        "FILTER_INVALID",
+        "MULTI_YEAR_HISTORICAL_DATA_DISABLED"
       ]
     },
     "HealthStatusValue":{
@@ -2316,7 +2317,7 @@
       "members":{
         "Start":{
           "shape":"GenericTimestamp",
-          "documentation":"<p>The start date for a budget. If you created your budget and didn't specify a start date, Amazon Web Services defaults to the start of your chosen time period (DAILY, MONTHLY, QUARTERLY, or ANNUALLY). For example, if you created your budget on January 24, 2018, chose <code>DAILY</code>, and didn't set a start date, Amazon Web Services set your start date to <code>01/24/18 00:00 UTC</code>. If you chose <code>MONTHLY</code>, Amazon Web Services set your start date to <code>01/01/18 00:00 UTC</code>. The defaults are the same for the Billing and Cost Management console and the API.</p> <p>You can change your start date with the <code>UpdateBudget</code> operation.</p>"
+          "documentation":"<p>The start date for a budget. If you created your budget and didn't specify a start date, Amazon Web Services defaults to the start of your chosen time period (DAILY, MONTHLY, QUARTERLY, ANNUALLY, or CUSTOM). For example, if you created your budget on January 24, 2018, chose <code>DAILY</code>, and didn't set a start date, Amazon Web Services set your start date to <code>01/24/18 00:00 UTC</code>. If you chose <code>MONTHLY</code>, Amazon Web Services set your start date to <code>01/01/18 00:00 UTC</code>. The defaults are the same for the Billing and Cost Management console and the API.</p> <p>You can change your start date with the <code>UpdateBudget</code> operation.</p>"
         },
         "End":{
           "shape":"GenericTimestamp",
@@ -2332,7 +2333,8 @@
         "DAILY",
         "MONTHLY",
         "QUARTERLY",
-        "ANNUALLY"
+        "ANNUALLY",
+        "CUSTOM"
       ]
     },
     "UnitValue":{