feat(codecommit-integration): Make region mandatory

Signed-off-by: Stijn Brouwers (EISMEA) <stijn@bdcommit.com>

docs/integrations/aws-codecommit/locations.md

@@ -39,3 +39,7 @@ integrations:
       roleArn: 'arn:aws:iam::xxxxxxxxxxxx:role/example-role'
       externalId: 'some-id' # optional
 ```
+
+Each entry is a structure with the following required elements:
+
+- `region`: The AWS region to connect to, to communicate with the CodeCommit services. If no host is provided, this value will be used to determine the host url.

packages/integration/src/awsCodeCommit/config.test.ts

@@ -29,7 +29,9 @@ describe('readAwsCodeCommitIntegrationConfig', () => {
   }
 
   it('reads all values (default)', () => {
-    const output = readAwsCodeCommitIntegrationConfig(buildConfig({}));
+    const output = readAwsCodeCommitIntegrationConfig(
+      buildConfig({ region: 'us-east-1' }),
+    );
     expect(output).toEqual({
       host: `us-east-1.${AMAZON_AWS_CODECOMMIT_HOST}`,
       region: `us-east-1`,

packages/integration/src/awsCodeCommit/config.ts

@@ -69,7 +69,7 @@ export function readAwsCodeCommitIntegrationConfig(
   const secretAccessKey = config.getOptionalString('secretAccessKey')?.trim();
   const roleArn = config.getOptionalString('roleArn');
   const externalId = config.getOptionalString('externalId');
-  const region = config.getOptionalString('region') || 'us-east-1';
+  const region = config.getString('region');
   const host =
     config.getOptionalString('host') ||
     `${region}.${AMAZON_AWS_CODECOMMIT_HOST}`;