[chore] Additional Helm chart and Terraform configurability - #15
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… sizing Add chart and terraform configurability for running the stack at varied scale and with custom Data Prepper routing: - dataPrepperManageSecret (default true): when false, the chart skips rendering the pipeline Secret so you can supply your own (same name) with custom routing/sinks via data-prepper.pipelineConfig.existingSecret. Default preserves current behavior. - data-prepper-metrics-service: publish DP's 4900 metrics port on its own ClusterIP Service (the subchart puts 4900 on the pod but not the Service); point the collector scrape at it. Gated on data-prepper.enabled. Fixes empty DP panels on the pipeline-health dashboard. - dataPrepperTraceFlushInterval (default 180, the upstream default): parameterize the otel_traces processor flush window. - terraform sizing knobs: opensearch replicas/storage/memory/heap, cortex storage, data-prepper memory/heap/flush-interval. JVM heap vars validate JVM size syntax. Defaults unchanged from prior behavior. Chart version 0.2.0 -> 0.3.0. Signed-off-by: Kyle Hounslow <kylhouns@amazon.com>
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Summary
Adds chart and Terraform configurability for running the stack at varied scale and with custom Data Prepper routing. All defaults preserve current behavior; this is additive configurability, not a behavior change.
Changes
dataPrepperManageSecret(defaulttrue): whenfalse, the chart skips rendering the Data Prepper pipeline Secret, so you can supply your own (same name) with custom routing/sinks viadata-prepper.pipelineConfig.existingSecret. Lets operators with non-default ingest topologies own the pipeline config without forking the chart.data-prepper-metrics-service: publishes Data Prepper's 4900 metrics port on its own ClusterIP Service. The subchart puts 4900 on the pod but not on a Service, so the collector scrape was refused and the pipeline-health dashboard's DP panels stayed empty. Gated ondata-prepper.enabled; collector scrape points at the new Service.dataPrepperTraceFlushInterval(default 180, the upstream default): parameterizes theotel_tracesprocessor flush window.2g, not2Gi). Defaults unchanged.0.2.0->0.3.0.Testing
helm lintclean;helm templateconfirms themanageSecretgate toggles the Secret on/off and the metrics Service only renders when Data Prepper is enabled.terraform validatepasses; heap-suffix validation rejects2Gi.