ministackorg/ministack v1.1.2

on GitHub

[1.1.2] — 2026-03-29

Added

• Amazon EMR (ministack/services/emr.py) — full control plane emulation (no real Spark/Hadoop)
  • Clusters: RunJobFlow, DescribeCluster, ListClusters, TerminateJobFlows, ModifyCluster, SetTerminationProtection, SetVisibleToAllUsers
  • Steps: AddJobFlowSteps, DescribeStep, ListSteps, CancelSteps — steps stored as COMPLETED immediately (emulator behaviour)
  • Instance Fleets: AddInstanceFleet, ListInstanceFleets, ModifyInstanceFleet
  • Instance Groups: AddInstanceGroups, ListInstanceGroups, ModifyInstanceGroups
  • Bootstrap Actions: ListBootstrapActions
  • Tags: AddTags, RemoveTags
  • Block Public Access: GetBlockPublicAccessConfiguration, PutBlockPublicAccessConfiguration
  • All three instance config modes: simple (MasterInstanceType/SlaveInstanceType/InstanceCount), InstanceGroups, InstanceFleets
  • KeepJobFlowAliveWhenNoSteps=True → WAITING; False → TERMINATED
  • TerminationProtected=True raises ValidationException on TerminateJobFlows
  • JSON protocol via X-Amz-Target: ElasticMapReduce.{Op}, credential scope elasticmapreduce
  • Pro-only on LocalStack — free in MiniStack
  • 12 integration tests

Tests

• 656 integration tests — all passing