Support of tenancy for lambda function creation and invocation

[sasidhar-aws]

Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

No changes to security controls.

Description

Adding support of tenant isolation for lambda function creation and invocation.

Relations

Closes #45166

References

AWS Lambda announces new tenant isolation mode to simplify building tenant-aware applications
Announcement
Blog post
Requires AWS SDK for Go v2 Release 2025-11-19: #45144.

Output from Acceptance Testing

make testacc TESTS=TestAccLambdaFunction_tenancyConfig PKG=lambda
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 main 🌿...
TF_ACC=1 go1.24.10 test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaFunction_tenancyConfig'  -timeout 360m -vet=off
2025/11/20 12:20:33 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/20 12:20:34 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccLambdaFunction_tenancyConfig
=== PAUSE TestAccLambdaFunction_tenancyConfig
=== RUN   TestAccLambdaFunction_tenancyConfigForceNew
=== PAUSE TestAccLambdaFunction_tenancyConfigForceNew
=== CONT  TestAccLambdaFunction_tenancyConfig
=== CONT  TestAccLambdaFunction_tenancyConfigForceNew
--- PASS: TestAccLambdaFunction_tenancyConfig (256.51s)
--- PASS: TestAccLambdaFunction_tenancyConfigForceNew (357.63s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     363.611s


make testacc TESTS=TestAccLambdaFunctionDataSource_tenancyConfig PKG=lambda
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 main 🌿...
TF_ACC=1 go1.24.10 test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaFunctionDataSource_tenancyConfig'  -timeout 360m -vet=off
2025/11/20 12:28:12 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/20 12:28:12 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccLambdaFunctionDataSource_tenancyConfig
=== PAUSE TestAccLambdaFunctionDataSource_tenancyConfig
=== CONT  TestAccLambdaFunctionDataSource_tenancyConfig
--- PASS: TestAccLambdaFunctionDataSource_tenancyConfig (123.03s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     128.680s

make testacc TESTS=TestAccLambdaInvocation_tenantID PKG=lambda
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 main 🌿...
TF_ACC=1 go1.24.10 test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaInvocation_tenantID'  -timeout 360m -vet=off
2025/11/20 12:15:44 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/20 12:15:44 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccLambdaInvocation_tenantID
=== PAUSE TestAccLambdaInvocation_tenantID
=== CONT  TestAccLambdaInvocation_tenantID
--- PASS: TestAccLambdaInvocation_tenantID (181.47s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     189.285s


make testacc TESTS=TestAccLambdaInvocationDataSource_tenantId PKG=lambda
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 main 🌿...
TF_ACC=1 go1.24.10 test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaInvocationDataSource_tenantId'  -timeout 360m -vet=off
2025/11/20 12:32:47 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/20 12:32:47 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccLambdaInvocationDataSource_tenantId
=== PAUSE TestAccLambdaInvocationDataSource_tenantId
=== CONT  TestAccLambdaInvocationDataSource_tenantId
--- PASS: TestAccLambdaInvocationDataSource_tenantId (147.44s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     154.634s

make testacc TESTS=TestAccLambdaInvokeAction_tenantId PKG=lambda
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 f_lambda_tenancy 🌿...
TF_ACC=1 go1.24.10 test ./internal/service/lambda/... -v -count 1 -parallel 20 -run='TestAccLambdaInvokeAction_tenantId'  -timeout 360m -vet=off
2025/11/20 12:53:47 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/20 12:53:47 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccLambdaInvokeAction_tenantId
=== PAUSE TestAccLambdaInvokeAction_tenantId
=== CONT  TestAccLambdaInvokeAction_tenantId
    invoke_action_test.go:221: Terraform CLI version 1.6.4 is below minimum version 1.14.0: skipping test
--- SKIP: TestAccLambdaInvokeAction_tenantId (0.71s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     6.392s

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