feat: refactor nodejs region loader (#1437)

* feat(config-resolver): update region resolution * chore: update codegen for region resolution * feat(region-provider): deprecate region-provider in favor of node-config-provider * chore: codegen clients without default region provider
aws · Aug 14, 2020 · 5d79645 · 5d79645
1 parent 90c685a
commit 5d79645
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diff --git a/clients/client-accessanalyzer/AccessAnalyzerClient.ts b/clients/client-accessanalyzer/AccessAnalyzerClient.ts
@@ -186,9 +186,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-accessanalyzer/package.json b/clients/client-accessanalyzer/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-accessanalyzer/runtimeConfig.browser.ts b/clients/client-accessanalyzer/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-accessanalyzer/runtimeConfig.ts b/clients/client-accessanalyzer/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-acm-pca/ACMPCAClient.ts b/clients/client-acm-pca/ACMPCAClient.ts
@@ -222,9 +222,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-acm-pca/package.json b/clients/client-acm-pca/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-acm-pca/runtimeConfig.browser.ts b/clients/client-acm-pca/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-acm-pca/runtimeConfig.ts b/clients/client-acm-pca/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-acm/ACMClient.ts b/clients/client-acm/ACMClient.ts
@@ -180,9 +180,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-acm/package.json b/clients/client-acm/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-acm/runtimeConfig.browser.ts b/clients/client-acm/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-acm/runtimeConfig.ts b/clients/client-acm/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-alexa-for-business/AlexaForBusinessClient.ts b/clients/client-alexa-for-business/AlexaForBusinessClient.ts
@@ -519,9 +519,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-alexa-for-business/package.json b/clients/client-alexa-for-business/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-alexa-for-business/runtimeConfig.browser.ts b/clients/client-alexa-for-business/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-alexa-for-business/runtimeConfig.ts b/clients/client-alexa-for-business/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-amplify/AmplifyClient.ts b/clients/client-amplify/AmplifyClient.ts
@@ -264,9 +264,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-amplify/package.json b/clients/client-amplify/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-amplify/runtimeConfig.browser.ts b/clients/client-amplify/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-amplify/runtimeConfig.ts b/clients/client-amplify/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-api-gateway/APIGatewayClient.ts b/clients/client-api-gateway/APIGatewayClient.ts
@@ -592,9 +592,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-api-gateway/package.json b/clients/client-api-gateway/package.json
@@ -41,9 +41,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-api-gateway/runtimeConfig.browser.ts b/clients/client-api-gateway/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-api-gateway/runtimeConfig.ts b/clients/client-api-gateway/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-apigatewaymanagementapi/ApiGatewayManagementApiClient.ts b/clients/client-apigatewaymanagementapi/ApiGatewayManagementApiClient.ts
@@ -129,9 +129,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-apigatewaymanagementapi/package.json b/clients/client-apigatewaymanagementapi/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-apigatewaymanagementapi/runtimeConfig.browser.ts b/clients/client-apigatewaymanagementapi/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,

diff --git a/clients/client-apigatewaymanagementapi/runtimeConfig.ts b/clients/client-apigatewaymanagementapi/runtimeConfig.ts
@@ -1,8 +1,9 @@
 import { name, version } from "./package.json";
+import { NODE_REGION_CONFIG_FILE_OPTIONS, NODE_REGION_CONFIG_OPTIONS } from "@aws-sdk/config-resolver";
 import { defaultProvider as credentialDefaultProvider } from "@aws-sdk/credential-provider-node";
 import { Hash } from "@aws-sdk/hash-node";
+import { loadConfig as loadNodeConfig } from "@aws-sdk/node-config-provider";
 import { NodeHttpHandler, streamCollector } from "@aws-sdk/node-http-handler";
-import { defaultProvider as regionDefaultProvider } from "@aws-sdk/region-provider";
 import { maxAttemptsProvider as maxAttemptsDefaultProvider } from "@aws-sdk/retry-config-provider";
 import { parseUrl } from "@aws-sdk/url-parser-node";
 import { fromBase64, toBase64 } from "@aws-sdk/util-base64-node";
@@ -21,7 +22,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider,
-  regionDefaultProvider,
+  region: loadNodeConfig(NODE_REGION_CONFIG_OPTIONS, NODE_REGION_CONFIG_FILE_OPTIONS),
   requestHandler: new NodeHttpHandler(),
   sha256: Hash.bind(null, "sha256"),
   streamCollector,

diff --git a/clients/client-apigatewayv2/ApiGatewayV2Client.ts b/clients/client-apigatewayv2/ApiGatewayV2Client.ts
@@ -342,9 +342,9 @@ export interface ClientDefaults extends Partial<__SmithyResolvedConfiguration<__
   credentialDefaultProvider?: (input: any) => __Provider<__Credentials>;
 
   /**
-   * Provider function that return promise of a region string
+   * The AWS region to which this client will send requests
    */
-  regionDefaultProvider?: (input: any) => __Provider<string>;
+  region?: string | __Provider<string>;
 
   /**
    * Provider function that return promise of a maxAttempts string

diff --git a/clients/client-apigatewayv2/package.json b/clients/client-apigatewayv2/package.json
@@ -40,9 +40,9 @@
     "@aws-sdk/middleware-signing": "1.0.0-gamma.5",
     "@aws-sdk/middleware-stack": "1.0.0-gamma.5",
     "@aws-sdk/middleware-user-agent": "1.0.0-gamma.5",
+    "@aws-sdk/node-config-provider": "1.0.0-gamma.0",
     "@aws-sdk/node-http-handler": "1.0.0-gamma.5",
     "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/region-provider": "1.0.0-gamma.5",
     "@aws-sdk/retry-config-provider": "1.0.0-gamma.4",
     "@aws-sdk/smithy-client": "1.0.0-gamma.5",
     "@aws-sdk/types": "1.0.0-gamma.4",

diff --git a/clients/client-apigatewayv2/runtimeConfig.browser.ts b/clients/client-apigatewayv2/runtimeConfig.browser.ts
@@ -19,7 +19,7 @@ export const ClientDefaultValues: Required<ClientDefaults> = {
   credentialDefaultProvider: invalidFunction("Credential is missing") as any,
   defaultUserAgent: defaultUserAgent(name, version),
   maxAttemptsDefaultProvider: (() => "3") as any,
-  regionDefaultProvider: invalidFunction("Region is missing") as any,
+  region: invalidFunction("Region is missing") as any,
   requestHandler: new FetchHttpHandler(),
   sha256: Sha256,
   streamCollector,