[kubernetes/container_logs] - Add system tests

[VihasMakwana]

Proposed commit message

This PR adds missing system tests and updates base-fields.yml to include the fields that are exported.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

[github-actions]

TL;DR

Buildkite failed in Check integrations kubernetes because package validation detected a version/changelog mismatch (current manifest version doesn't have changelog entry). Update packages/kubernetes/changelog.yml to include the exact current packages/kubernetes/manifest.yml version (or align the manifest version).

Remediation

• Add a top changelog entry whose version exactly matches packages/kubernetes/manifest.yml version in this PR.
• Re-run the package check job (.buildkite/scripts/test_one_package.sh packages/kubernetes ...) after syncing those two files.

Investigation details

Root Cause

The failing step is package lint/validation, not test/runtime logic. The validator exits with:

checking package failed: linting package failed: found 1 validation error: current manifest version doesn't have changelog entry

This means the kubernetes package manifest version and changelog versions are out of sync in the PR head.

Evidence

• Build: https://buildkite.com/elastic/integrations/builds/43382
• Job/step: Check integrations kubernetes
• Key log excerpt:

Error: checking package failed: linting package failed: found 1 validation error:

  1. current manifest version doesn't have changelog entry

[kubernetes] run_tests_package failed

• Relevant files in repo:
  • packages/kubernetes/manifest.yml (version field)
  • packages/kubernetes/changelog.yml (top - version: entries)

Verification

• Not run locally against the PR head SHA because that specific commit is not available in this checkout.

Follow-up

If you intentionally bumped the package version in this PR, add the matching changelog entry at the top of changelog.yml (newest first).

Note

🔒 Integrity filter blocked 2 items

The following items were blocked because they don't meet the GitHub integrity level.

• [kubernetes/container_logs] - Add system tests  #19179 pull_request_read: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #19179 pull_request_read: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".

To allow these resources, lower min-integrity in your GitHub frontmatter:

tools:
  github:
    min-integrity: approved  # merged | approved | unapproved | none

---

What is this? | From workflow: PR Buildkite Detective

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[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

To see the full report comment with /test benchmark fullreport

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: ffe0318

History

• 💚 Build #43533 succeeded 4d3daa6
• 💔 Build #43401 failed 582c038
• 💔 Build #43382 failed 2ae94fc

cc @VihasMakwana

[elastic-vault-github-plugin-prod]

Package kubernetes - 1.85.1 containing this change is available at https://epr.elastic.co/package/kubernetes/1.85.1/