[siegfriedweber]

Description

The logs of the containerdebug process are now forwarded to the Vector aggregator. They arrive as a pseudo-container named containerdebug, next to the product and Vector logs.

containerdebug was never started in the OpenSearch container. The invocation was guarded with command --search containerdebug, which is fish syntax: the bash builtin accepts only -p, -V and -v, so the guard exited with an invalid-option error and was always false. Every Pod printed "containerdebug not installed; Proceed without it." instead. The guard now uses the POSIX command -v.

A new Vector source and transform map the tracing-rs JSON onto the common log schema.

The logging docs explain the container label and what overriding FILE_LOG_DIRECTORY does to the aggregation.

Part of stackabletech/issues#909

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• Helm chart can be installed and deployed operator works
• Integration tests passed:
  • https://testing.stackable.tech/view/all/job/opensearch-operator-it-custom/43/

    PASS: kuttl/harness/logging_opensearch-3.8.0 (128.55s)
    

  • local:

    PASS: kuttl/harness/smoke_opensearch-3.8.0_opensearch_home-_stackable_opensearch_server-use-tls-true (260.06s)
    

• Links to generated nightly docs added:
  https://docs.stackable.tech/home/nightly/opensearch/usage-guide/logging/
• Release note snippet added:
  tracking: Collect the containerdebug logs issues#909 (comment)

Reviewer

• Code contains useful comments
• Code contains useful logging statements
• (Integration-)Test cases added
• Documentation added or updated. Follows the style guide.
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added
• Links to generated (nightly) docs added
• Release note snippet added
• Add type/deprecation label & add to the deprecation schedule
• Add type/experimental label & add to the experimental features tracker

[NickLarsenNZ]

Left some suggested changes