v0.2.3

Enhancements

• Added support for RH OCP4.1 and RH OCP4.2
• Added additional installation methods
  • Using kustomize and kubeflow/manifests
  • Using Helm Chart
• Added support for Go Modules and removed vendor directories
• Added default ephemeral storage for init container
• Overwrite NVIDIA env vars to avoid using GPUs on launcher
• Added health check and callbacks around various leader election phases
• Honor user-specified worker command
• Exposed main container name as a configurable field
• Added RunPolicy to MPIJobSpec that reuses kubeflow/common spec
• Allow to specify the name of the gang scheduler and priority for pod group
• Added error log when pod spec does not have any containers
• Switched to use distroless images
• Refactored the kubectl-delivery to improve the launcher performance
• Added Prometheus metrics for job monitoring
• Added experimental version of v1 MPIJob controller and APIs
• Support Volcano as a scheduler
• Switched to use pods for launcher job and statefulset workers
• Switched to use klog for logging
• More consistent labels with other Kubeflow operators

Fixes

• Fixed nil pointer exceptions that could accidentally restart the pod
• Updated status to running only when launcher is active and all workers are ready
• Fixed the incorrect namespace for initializing informers and endpoints of leader election
• Fixed issue in v1 controller's CRD existence check

Documentation

• Added the list of adopters
• Added roadmap document
• Revamped contributing guidelines
• Added MPIJob API reference page on Kubeflow website
• Added a blog post for an introduction to MPI Operator and its industry adoption
• Added a CPU-only example
• Added licenses used by the dependencies