feat: add additional_layers variable for extra Lambda layers#42
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Allow attaching additional Lambda layers (e.g., Datadog Lambda Extension) to the forwarder function alongside the default forwarder layer. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Document the new additional_layers variable in the Lambda Configuration inputs table and add a usage example showing the Datadog Lambda Extension. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
RaphaelAllier
approved these changes
Apr 2, 2026
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Summary
additional_layersvariable (list(string), default[]) to allow attaching extra Lambda layers to the forwarder functionlayersattribute toconcat()the default forwarder layer with any additional layersThis enables consumers to attach the Datadog Lambda Extension (or other layers) alongside the forwarder layer without needing to override
layer_arn.Motivation
The
aws-datadog-forwarderwrapper module in cloud-inventory needs to attach the Datadog Lambda Extension layer for Lambda telemetry. The current module only supports a single layer vialayer_arn/layer_version, with no way to add supplementary layers.Test plan
additional_layersis empty)terraform planwithadditional_layersset to a valid layer ARN🤖 Generated with Claude Code