chore: bump otelcontribcol to v0.133.0-gke.3

[Camila-B]

• Needed to fix CVEs
• Release notes https://github.com/open-telemetry/opentelemetry-collector-contrib/releases/tag/v0.133.0

[gemini-code-assist]

Summary of Changes

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This pull request updates the version of the OpenTelemetry Collector Contrib (otelcontribcol) to v0.133.0-gke.3. This essential update primarily aims to resolve critical security vulnerabilities by incorporating the latest fixes and improvements from the upstream project, ensuring the system remains secure and up-to-date.

Highlights

• OpenTelemetry Collector Contrib Version Bump: Updated the OTELCONTRIBCOL_VERSION in the Makefile from v0.127.0-gke.7 to v0.133.0-gke.3.
• CVE Fixes: The version bump was necessary to address and fix identified Common Vulnerabilities and Exposures (CVEs) as noted in the pull request description.

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Changelog

• Makefile
  • Updated the OTELCONTRIBCOL_VERSION variable to v0.133.0-gke.3.

Activity

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[gemini-code-assist]

Code Review

This pull request bumps the otelcontribcol version to v0.133.0-gke.3. This is a significant version jump which may introduce breaking changes. My review identifies potential issues with an outdated feature gate and hardcoded metric names that could be affected by this upgrade. Addressing these points will help ensure that the observability pipeline continues to function correctly.

[gemini-code-assist]

This version bump is a significant jump and may introduce breaking changes. I've identified two potential areas of concern:

1. otel-collector feature gate: The otel-collector deployment in manifests/templates/otel-collector.yaml uses the feature gate --feature-gates=-pkg.translator.prometheus.NormalizeName. The comment for this gate refers to v0.86.0. This feature gate may no longer be valid in v0.133.0. If it has been removed or promoted, the otel-collector pod could fail to start. The command-line argument should be updated or removed to prevent deployment failures.

2. Metric name filtering: The configuration in pkg/metrics/otel_collector_config.go includes a filter/cloudmonitoring processor with a hardcoded list of metric names. Metric names may have changed in the new version, which would cause them to be silently dropped from monitoring. The list of metric names in the filter should be cross-referenced with the new version's metrics.

[tiffanny29631]

Suggest checking for breaking changes since 0.127.0, and adjust Config Sync otel-agent config or otel-collector config as needed, the otel-agent seems to having trouble to start from the test.

[tiffanny29631]

/lgtm

[google-oss-prow]

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This pull-request has been approved by: tiffanny29631

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