Add environment name to OTel metrics

[theseanything]

Set deployment.environment.name as a resource attribute in the ADOT collector metrics pipeline so metrics in CloudWatch can be filtered and grouped by environment (dev, staging, production).

This allows not to have to set the environment name in the application itself for every single metric.

Tested in dev.

[Copilot]

Pull request overview

Adds the deployment environment name to ADOT/OTel metrics emitted from ECS services by injecting deployment.environment.name as a resource attribute in the collector configuration. This centralizes environment tagging in infrastructure so CloudWatch metrics can be filtered/grouped by environment without requiring each application to set the attribute.

Changes:

• Pass env_name into the ADOT collector config Terraform template.
• Add a resource/env processor that upserts deployment.environment.name into resource attributes.
• Wire the new processor into the metrics pipeline (resourcedetection/ecs -> resource/env -> batch/metrics).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
infra/modules/ecs-service/adot.tf	Passes env_name into the ADOT collector config templatefile inputs.
infra/modules/ecs-service/adot-collector-config.yaml.tpl	Adds a resource processor to set deployment.environment.name and includes it in the metrics pipeline.

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