Prefect

Released on May 27, 2020.

Fixes

- Revert GraphQL endpoint change - [2660](https://github.com/PrefectHQ/prefect/pull/2660)

Released on May 27, 2020.

Enhancements

- Add option to set volumes on `server start` CLI command - [2560](https://github.com/PrefectHQ/prefect/pull/2560)
- Add `case` to top-level namespace - [2609](https://github.com/PrefectHQ/prefect/pull/2609)
- Use host IP for `hostname` label in cases where `LocalAgent` is in container using host network - [2618](https://github.com/PrefectHQ/prefect/issues/2618)
- Add option to set TLS configuration on client created by Docker storage - [2626](hhttps://github.com/PrefectHQ/prefect/issues/2626)
- The `start_time` of a `Paused` state defaults to `None` - [2617](https://github.com/PrefectHQ/prefect/pull/2617)
- Raise more informative error when Cloud Secret doesn't exist - [2620](https://github.com/PrefectHQ/prefect/pull/2620)
- Update GraphQL endpoint to `/graphql` - [2651](https://github.com/PrefectHQ/prefect/pull/2651)

Fixes

- Kubernetes agent resource manager is more strict about what resources it manages - [2641](https://github.com/PrefectHQ/prefect/pull/2641)
- Fix error when adding `Parameter` to flow under `case` statement - [2608](https://github.com/PrefectHQ/prefect/pull/2608)
- Fix `S3Result` attempting to load data when checking existence - [2623](https://github.com/PrefectHQ/prefect/issues/2623)

Deprecations

- Deprecate `private_registry` and `docker_secret` options on `DaskKubernetesEnvironment` - [2630](https://github.com/PrefectHQ/prefect/pull/2630)

Breaking Changes

- Kubernetes labels associated with Prefect flow runs now have a `prefect.io/` prefix (e.g. `prefect.io/identifier`) - [2641](https://github.com/PrefectHQ/prefect/pull/2641)

Contributors

- [Bartek Roszak](https://github.com/BartekRoszak)
- [James Lamb](https://github.com/jameslamb)

Released on May 19, 2020.

Enhancements

- Allow log configuration in Fargate Agent - [2589](https://github.com/PrefectHQ/prefect/pull/2589)
- Reuse `prefect.context` for opening `Flow` contexts - [2581](https://github.com/PrefectHQ/prefect/pull/2581)
- Show a warning when tasks are created in a flow context but not added to a flow - [2584](https://github.com/PrefectHQ/prefect/pull/2584)

Server

- Add API healthcheck tile to the UI - [2395](https://github.com/PrefectHQ/prefect/issues/2395)

Fixes

- Fix type for Dask Security in RemoteDaskEnvironment - [2571](https://github.com/PrefectHQ/prefect/pull/2571)
- Fix issue with `log_stdout` not correctly storing returned data on the task run state - [2585](https://github.com/PrefectHQ/prefect/pull/2585)
- Ensure result locations are updated from targets when copying tasks with `task_args` - [2590](https://github.com/PrefectHQ/prefect/pull/2590)
- Fix `S3Result` exists function handling of `NoSuchKey` error - [2585](https://github.com/PrefectHQ/prefect/issues/2585)
- Fix confusing language in Telemetry documentation - [2593](https://github.com/PrefectHQ/prefect/pull/2593)
- Fix `LocalAgent` not registering with Cloud using default labels - [2587](https://github.com/PrefectHQ/prefect/issues/2587)
- Fix flow's `run_agent` function passing a `set` of labels to Agent instead of a `list` - [2600](https://github.com/PrefectHQ/prefect/pull/2600)

Contributors

- [Joe Schmid](https://github.com/joeschmid)

Released on May 15, 2020.

Fixes

- Fix duplicate agent label literal eval parsing - [2569](https://github.com/PrefectHQ/prefect/issues/2569)

Released on May 14, 2020.

Features

- Introducing new [Results](https://docs.prefect.io/core/concepts/results.html) interface for working with task results - [#2507](https://github.com/PrefectHQ/prefect/pull/2507)

Enhancements

- Allow slack_task to accept a dictionary for the message parameter to build a specially-structured JSON Block - [2541](https://github.com/PrefectHQ/prefect/pull/2541)
- Support using `case` for control flow with the imperative api - [2546](https://github.com/PrefectHQ/prefect/pull/2546)
- `flow.visualize` is now able to accept a `format` argument to specify the output file type - [2447](https://github.com/PrefectHQ/prefect/issues/2447)
- Docker storage now writes flows to `/opt` dir to remove need for root permissions - [2025](https://github.com/PrefectHQ/prefect/issues/2025)
- Add option to [set secrets on Storage objects](https://docs.prefect.io/orchestration/recipes/third_party_auth.html#declaring-secrets-on-storage) - [2507](https://github.com/PrefectHQ/prefect/pull/2507)
- Add reserved [default Secret names](https://docs.prefect.io/orchestration/recipes/third_party_auth.html#list-of-default-secret-names) and formats for working with cloud platforms - [2507](https://github.com/PrefectHQ/prefect/pull/2507)
- Add unique naming option to the jobs created by the `KubernetesJobEnvironment` - [2553](https://github.com/PrefectHQ/prefect/pull/2553)
- Use `ast.literal_eval` for configuration values - [2536](https://github.com/PrefectHQ/prefect/issues/2536)
- Prevent local cycles even if flow validation is deferred - [2565](https://github.com/PrefectHQ/prefect/pull/2565)

Server

- Add "cancellation-lite" semantic by preventing task runs from running if the flow run isn't running - [2535](https://github.com/PrefectHQ/prefect/pull/2535)
- Add minimal telemetry to Prefect Server - [2467](https://github.com/PrefectHQ/prefect/pull/2467)

Task Library

- Add tasks to create issues for Jira and Jira Service Desk [2431](https://github.com/PrefectHQ/prefect/pull/2431)
- Add `DbtShellTask`, an extension of ShellTask for working with data build tool (dbt) - [2526](https://github.com/PrefectHQ/prefect/pull/2526)
- Add `prefect.tasks.gcp.bigquery.BigQueryLoadFile` - [2423](https://github.com/PrefectHQ/prefect/issues/2423)

Fixes

- Fix bug in Kubernetes agent `deployment.yaml` with a misconfigured liveness probe - [2519](https://github.com/PrefectHQ/prefect/pull/2519)
- Fix checkpointing feature not being able to be disabled when using server backend - [2438](https://github.com/PrefectHQ/prefect/issues/2438)

Deprecations

- Result Handlers are now deprecated in favor of the new Result interface - [2507](https://github.com/PrefectHQ/prefect/pull/2507)

Breaking Changes

- Allow for setting docker daemon at build time using DOCKER_HOST env var to override base_url in docker storage - [2482](https://github.com/PrefectHQ/prefect/pull/2482)
- Ensure all calls to `flow.run()` use the same execution logic - [1994](https://github.com/PrefectHQ/prefect/pull/1994)
- Moved `prefect.tasks.cloud` to `prefect.tasks.prefect` - [2404](https://github.com/PrefectHQ/prefect/pull/2404)
- Trigger signature now accepts a dictionary of `[Edge, State]` to allow for more customizable trigger behavior - [2298](https://github.com/PrefectHQ/prefect/issues/2298)
- Remove all uses of `credentials_secret` from task library in favor of `PrefectSecret` tasks - [2507](https://github.com/PrefectHQ/prefect/pull/2507)
- Remove `Bytes` and `Memory` storage objects - [2507](https://github.com/PrefectHQ/prefect/pull/2507)

Contributors

- [Alvin Goh](https://github.com/chuehsien)
- [Daniel Kapitan](https://github.com/dkapitan)
- [Mark McDonald](https://github.com/mhmcdonald)
- [Jie Lou](https://github.com/JLouSRM)

Released on May 6, 2020.

Features

- None

Enhancements

- Agents now support an optional HTTP health check, for use by their backing orchestration layer (e.g. k8s, docker, supervisord, ...) - [2406](https://github.com/PrefectHQ/prefect/pull/2406)
- Enhance agent verbose logs to include provided kwargs at start - [2486](https://github.com/PrefectHQ/prefect/issues/2486)
- Add `no_cloud_logs` option to all Agent classes for an easier way to disable sending logs to backend - [2484](https://github.com/PrefectHQ/prefect/issues/2484)
- Add option to set flow run environment variables on Kubernetes agent install - [2424](https://github.com/PrefectHQ/prefect/issues/2424)
- Sets dask scheduler default to "threads" on LocalDaskExecutor to provide parallelism - [2494](https://github.com/PrefectHQ/prefect/pull/2494)

Task Library

- Add new `case` control-flow construct, for nicer management of conditional tasks - [2443](https://github.com/PrefectHQ/prefect/pull/2443)

Fixes

- Give a better error for non-serializable callables when registering with cloud/server - [2491](https://github.com/PrefectHQ/prefect/pull/2491)
- Fix runners retrieving invalid `context.caches` on runs started directly from a flow runner - [2403](https://github.com/PrefectHQ/prefect/issues/2403)

Deprecations

- None

Breaking Changes

- Remove the Nomad agent - [2492](https://github.com/PrefectHQ/prefect/pull/2492)

Contributors

- None