feat(client-mwaa): Amazon MWAA now supports Airflow web server auto scaling to automatically handle increased demand from REST APIs, Command Line Interface (CLI), or more Airflow User Interface (UI) users. Customers can specify maximum and minimum web server instances during environment creation and update workflow.

awstools · awstools · commit 9a6582234b3f · 2024-05-16T18:16:03.000Z
diff --git a/clients/client-mwaa/src/commands/CreateEnvironmentCommand.ts b/clients/client-mwaa/src/commands/CreateEnvironmentCommand.ts
@@ -94,6 +94,8 @@ export interface CreateEnvironmentCommandOutput extends CreateEnvironmentOutput,
  *   MinWorkers: Number("int"),
  *   Schedulers: Number("int"),
  *   EndpointManagement: "STRING_VALUE",
+ *   MinWebservers: Number("int"),
+ *   MaxWebservers: Number("int"),
  * };
  * const command = new CreateEnvironmentCommand(input);
  * const response = await client.send(command);
diff --git a/clients/client-mwaa/src/commands/GetEnvironmentCommand.ts b/clients/client-mwaa/src/commands/GetEnvironmentCommand.ts
@@ -118,6 +118,8 @@ export interface GetEnvironmentCommandOutput extends GetEnvironmentOutput, __Met
  * //     DatabaseVpcEndpointService: "STRING_VALUE",
  * //     CeleryExecutorQueue: "STRING_VALUE",
  * //     EndpointManagement: "STRING_VALUE",
+ * //     MinWebservers: Number("int"),
+ * //     MaxWebservers: Number("int"),
  * //   },
  * // };
  *
diff --git a/clients/client-mwaa/src/commands/UpdateEnvironmentCommand.ts b/clients/client-mwaa/src/commands/UpdateEnvironmentCommand.ts
@@ -86,6 +86,8 @@ export interface UpdateEnvironmentCommandOutput extends UpdateEnvironmentOutput,
  *   WebserverAccessMode: "STRING_VALUE",
  *   MinWorkers: Number("int"),
  *   Schedulers: Number("int"),
+ *   MinWebservers: Number("int"),
+ *   MaxWebservers: Number("int"),
  * };
  * const command = new UpdateEnvironmentCommand(input);
  * const response = await client.send(command);
diff --git a/clients/client-mwaa/src/models/models_0.ts b/clients/client-mwaa/src/models/models_0.ts
@@ -284,7 +284,7 @@ export interface CreateEnvironmentInput {
   AirflowConfigurationOptions?: Record<string, string>;
 
   /**
-   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
+   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>, <code>mw1.xlarge</code>, and <code>mw1.2xlarge</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
    * @public
    */
   EnvironmentClass?: string;
@@ -345,10 +345,10 @@ export interface CreateEnvironmentInput {
    * <p>The number of Apache Airflow schedulers to run in your environment. Valid values:</p>
    *          <ul>
    *             <li>
-   *                <p>v2 - Accepts between 2 to 5. Defaults to 2.</p>
+   *                <p>v2 - Accepts between <code>2</code> to <code>5</code>. Defaults to <code>2</code>.</p>
    *             </li>
    *             <li>
-   *                <p>v1 - Accepts 1.</p>
+   *                <p>v1 - Accepts <code>1</code>.</p>
    *             </li>
    *          </ul>
    * @public
@@ -363,6 +363,33 @@ export interface CreateEnvironmentInput {
    * @public
    */
   EndpointManagement?: EndpointManagement;
+
+  /**
+   * <p>
+   *             The minimum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. As the transaction-per-second rate, and the network load, decrease,
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MinWebservers?: number;
+
+  /**
+   * <p>
+   *             The maximum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. For example, in scenarios where your workload requires network calls to the Apache Airflow REST API with a high transaction-per-second (TPS)
+   *             rate, Amazon MWAA will increase the number of web servers up to the number set in <code>MaxWebserers</code>. As TPS rates decrease
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MaxWebservers?: number;
 }
 
 /**
@@ -742,7 +769,7 @@ export interface Environment {
 
   /**
    * <p>The Apache Airflow version on your environment.</p>
-   *          <p>Valid values: <code>1.10.12</code>, <code>2.0.2</code>, <code>2.2.2</code>, <code>2.4.3</code>, <code>2.5.1</code>, <code>2.6.3</code>, <code>2.7.2</code>.</p>
+   *          <p>Valid values: <code>1.10.12</code>, <code>2.0.2</code>, <code>2.2.2</code>, <code>2.4.3</code>, <code>2.5.1</code>, <code>2.6.3</code>, <code>2.7.2</code>, <code>2.8.1</code>.</p>
    * @public
    */
   AirflowVersion?: string;
@@ -833,7 +860,7 @@ export interface Environment {
   AirflowConfigurationOptions?: Record<string, string>;
 
   /**
-   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
+   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>, <code>mw1.xlarge</code>, and <code>mw1.2xlarge</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
    * @public
    */
   EnvironmentClass?: string;
@@ -917,6 +944,33 @@ export interface Environment {
    * @public
    */
   EndpointManagement?: EndpointManagement;
+
+  /**
+   * <p>
+   *             The minimum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. As the transaction-per-second rate, and the network load, decrease,
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MinWebservers?: number;
+
+  /**
+   * <p>
+   *             The maximum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. For example, in scenarios where your workload requires network calls to the Apache Airflow REST API with a high transaction-per-second (TPS)
+   *             rate, Amazon MWAA will increase the number of web servers up to the number set in <code>MaxWebserers</code>. As TPS rates decrease
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MaxWebservers?: number;
 }
 
 /**
@@ -1242,7 +1296,7 @@ export interface UpdateEnvironmentInput {
    * <p>The Apache Airflow version for your environment. To upgrade your environment, specify a newer version of Apache Airflow supported by Amazon MWAA.</p>
    *          <p>Before you upgrade an environment, make sure your requirements, DAGs, plugins, and other resources used in your workflows are compatible with the new Apache Airflow version. For more information about updating
    *             your resources, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/upgrading-environment.html">Upgrading an Amazon MWAA environment</a>.</p>
-   *          <p>Valid values: <code>1.10.12</code>, <code>2.0.2</code>, <code>2.2.2</code>, <code>2.4.3</code>, <code>2.5.1</code>, <code>2.6.3</code>, <code>2.7.2</code>.</p>
+   *          <p>Valid values: <code>1.10.12</code>, <code>2.0.2</code>, <code>2.2.2</code>, <code>2.4.3</code>, <code>2.5.1</code>, <code>2.6.3</code>, <code>2.7.2</code>, <code>2.8.1</code>.</p>
    * @public
    */
   AirflowVersion?: string;
@@ -1319,7 +1373,7 @@ export interface UpdateEnvironmentInput {
   AirflowConfigurationOptions?: Record<string, string>;
 
   /**
-   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
+   * <p>The environment class type. Valid values: <code>mw1.small</code>, <code>mw1.medium</code>, <code>mw1.large</code>, <code>mw1.xlarge</code>, and <code>mw1.2xlarge</code>. For more information, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/environment-class.html">Amazon MWAA environment class</a>.</p>
    * @public
    */
   EnvironmentClass?: string;
@@ -1365,6 +1419,33 @@ export interface UpdateEnvironmentInput {
    * @public
    */
   Schedulers?: number;
+
+  /**
+   * <p>
+   *             The minimum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. As the transaction-per-second rate, and the network load, decrease,
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MinWebservers?: number;
+
+  /**
+   * <p>
+   *             The maximum number of web servers that you want to run in your environment.
+   *             Amazon MWAA scales the number of Apache Airflow web servers up to the number you specify for <code>MaxWebservers</code>
+   *             when you interact with your Apache Airflow environment using Apache Airflow REST API, or
+   *             the Apache Airflow CLI. For example, in scenarios where your workload requires network calls to the Apache Airflow REST API with a high transaction-per-second (TPS)
+   *             rate, Amazon MWAA will increase the number of web servers up to the number set in <code>MaxWebserers</code>. As TPS rates decrease
+   *             Amazon MWAA disposes of the additional web servers, and scales down to the number set in <code>MinxWebserers</code>.
+   *         </p>
+   *          <p>Valid values: Accepts between <code>2</code> and <code>5</code>. Defaults to <code>2</code>.</p>
+   * @public
+   */
+  MaxWebservers?: number;
 }
 
 /**
diff --git a/clients/client-mwaa/src/protocols/Aws_restJson1.ts b/clients/client-mwaa/src/protocols/Aws_restJson1.ts
@@ -111,7 +111,9 @@ export const se_CreateEnvironmentCommand = async (
       ExecutionRoleArn: [],
       KmsKey: [],
       LoggingConfiguration: (_) => _json(_),
+      MaxWebservers: [],
       MaxWorkers: [],
+      MinWebservers: [],
       MinWorkers: [],
       NetworkConfiguration: (_) => _json(_),
       PluginsS3ObjectVersion: [],
@@ -376,7 +378,9 @@ export const se_UpdateEnvironmentCommand = async (
       EnvironmentClass: [],
       ExecutionRoleArn: [],
       LoggingConfiguration: (_) => _json(_),
+      MaxWebservers: [],
       MaxWorkers: [],
+      MinWebservers: [],
       MinWorkers: [],
       NetworkConfiguration: (_) => _json(_),
       PluginsS3ObjectVersion: [],
@@ -810,7 +814,9 @@ const de_Environment = (output: any, context: __SerdeContext): Environment => {
     KmsKey: __expectString,
     LastUpdate: (_: any) => de_LastUpdate(_, context),
     LoggingConfiguration: _json,
+    MaxWebservers: __expectInt32,
     MaxWorkers: __expectInt32,
+    MinWebservers: __expectInt32,
     MinWorkers: __expectInt32,
     Name: __expectString,
     NetworkConfiguration: _json,
diff --git a/codegen/sdk-codegen/aws-models/mwaa.json b/codegen/sdk-codegen/aws-models/mwaa.json

Original file line number	Diff line number	Diff line change
`@@ -118,6 +118,8 @@ export interface GetEnvironmentCommandOutput extends GetEnvironmentOutput, __Met`
`118`	`118`	`* // DatabaseVpcEndpointService: "STRING_VALUE",`
`119`	`119`	`* // CeleryExecutorQueue: "STRING_VALUE",`
`120`	`120`	`* // EndpointManagement: "STRING_VALUE",`
	`121`	`+ * // MinWebservers: Number("int"),`
	`122`	`+ * // MaxWebservers: Number("int"),`
`121`	`123`	`* // },`
`122`	`124`	`* // };`
`123`	`125`	`*`