feat: add CloudWatch Metric Stream tag enrichment Lambda#155
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karthikeyangs9 wants to merge 3 commits into
Open
feat: add CloudWatch Metric Stream tag enrichment Lambda#155karthikeyangs9 wants to merge 3 commits into
karthikeyangs9 wants to merge 3 commits into
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Go Lambda that enriches CloudWatch Metric Stream OTLP data with AWS resource tags via Kinesis Data Firehose transformation. Supports OTel 1.0 and 0.7 formats, cross-account tag lookups, and file-based caching.
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Addresses CodeQL finding: namespace and accountID from OTLP data are used in file paths. Now strips non-alphanumeric characters and validates the resolved path stays within the cache directory.
Move filepath.Abs + strings.HasPrefix check into GetResources directly so the validated path and file operations are in the same function scope. CodeQL requires the sanitizer and sink to be in the same data flow.
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Summary
aws/cloudwatch-metric-enrichment/— a Go Lambda that enriches CloudWatch Metric Stream OTLP data with AWS resource tags via Kinesis Data Firehose transformationproduct-integrations/lambdas/cloudwatch-metric-enrichmentwith CLAUDE.md compliance fixes:bootstrap,bootstrap.zip), build artifacts (.aws-sam/), and deployment config (samconfig.toml)otlp/compat.go(315 lines) intocompat_strip.go+compat_inject.goto meet 300-line limit.gitignore,.env.example, and restructured READMEcmd/testinvoke/developer utilitygithub.com/last9/opentelemetry-examples/aws/cloudwatch-metric-enrichmentTest plan
go test -v -race ./...— 29/29 tests pass across all 5 packagesgo vet ./...— cleango mod tidy— no extraneous dependencies