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Apache Airflow Helm Chart 1.12.0
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@jedcunningham jedcunningham released this 12 Feb 04:30
· 4441 commits to main since this release
helm-chart/1.12.0
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jedcunningham Jed Cunningham
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Significant Changes

The helm chart is now using a newer version of bitnami/postgresql dependency (#34817)

The version of bitnami/postgresql subchart upgraded from 12.10.0 to 13.2.24.
The version of PostgreSQL binaries upgraded from 11 to 16.1.0.

The change requires existing bitnami/postgresql subchart users to perform manual major version upgrade using pg_dumpall or pg_upgrade.

As a reminder, it is recommended to set up an external database <https://airflow.apache.org/docs/helm-chart/stable/production-guide.html#database>_ in production.

Default Airflow image is updated to 2.8.1 (#36907)

The default Airflow image that is used with the Chart is now 2.8.1, previously it was 2.7.1.

Default PgBouncer and PgBouncer Exporter images have been updated (#36898)

The PgBouncer and PgBouncer Exporter images are based on newer software/os.

  • pgbouncer: 1.21.0 based on alpine 3.14 (airflow-pgbouncer-2024.01.19-1.21.0)
  • pgbouncer-exporter: 0.16.0 based on alpine 3.19 (apache/airflow:airflow-pgbouncer-exporter-2024.01.19-0.16.0)

Default StatsD image is updated to v0.26.0 (#37187)

The default StatsD image that is used with the Chart is now v0.26.0, previously it was v0.22.8.

Default Redis image is updated to 7-bookworm (#37187)

The default Redis image that is used with the Chart is now 7-bookworm, previously it was 7-bullseye.

New Features

  • Enable native HPA for Airflow Workers (#36174)
  • Add init container + sidecar support for Airflow Kerberos (#35548)
  • Support MySQL backend as KEDA trigger (#36167)

Improvements

  • Improve PriorityClass to improve debuggability (#36365)
  • Add securityContexts in dag processors log groomer sidecar (#34499)
  • Add support for securityContexts in dag processors wait-for-migrations container (#35593)
  • Add templating for PVC storageClassName (#35581)
  • Add volumeClaimTemplate for worker (#34986)
  • Add support for priorityClassName on Redis pods (#34879)
  • Configurable mount path for DAGs volume (#35083)
  • Add support for custom emptyDir config (#34837)
  • Added ability to enable/disable scheduler and webserver (#36991)

Bug Fixes

  • Fix StatsD host in Airflow config (#35679)
  • Set AIRFLOW_HOME env var with airflowHome value (#34839)
  • Safer worker pod annotations (#35309)
  • Set worker safeToEvict properly (#35130)
  • Fix Redis broker URL with useStandardNaming (#34825)
  • Fix metadata DB & port in KEDA connection when usePgbouncer is false (#34741)
  • Fix PgBouncer connection with useStandardNaming (#34787)

Doc only changes

  • Add docs about extending the Airflow Helm chart (#36331)
  • Add comment for Elasticsearch connection scheme (#35588)
  • Add notes about Virtualenvs preventing the need for custom images (#35306)

Misc

  • Default Airflow version to 2.8.1 (#36907)
  • Support git-sync v4 (#34731)
  • Upgrade bitnami/postgresql subchart to 13.2.24 (#36156)
  • Change git sync container indent to 4 (#35824)
  • Remove K8S 1.24 support (#35214)
  • Rebuild pgbouncer and pgbouncer-exporter images with newer versions (#36898)
  • Update statsd and redis chart images (#37187)
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