Kopf

New features:

* Subresources (both specific and "*"-masked) are supported in the validating/mutating admission webhooks. 832

Bugfixes:

* Do not watch the resources that are served only via webhooks (to prevent RBAC issues). 831
* Handle API errors in the initial listing that prevented resources from handling. Thanks to philipp-sontag-by. 821
* Several documentation examples fixed. Thanks to xavierbaude. 818

New features:

* Configurable timeouts for API operations and TCP connections. 793
* Configurable retries & backoffs for server-side & networking API errors. 788

Bugfixes:

* Prevent loss of events under high-load or with heavy sync-blockers in asyncio methods. 732
* Special thanks to paxbit & cjbaar for investigation.
* Generate proper JSONPatch on mutating webhooks when the key is absent. Thanks to cjbaar. 803.

Contributor experience:

* Kubernetes 1.16 and 1.17 dropped from CI; they will most likely continue to work as before. 794
* API clients refactored to have a unified requesting routine. 792 795
* Fix tests with namespaces mismatching the resource scopes. 791
* Simplify the PR template. Thanks to turbaszek. 552
* Use issue forms instead of issue templates. 804
* Upgrade mypy to 0.900 series. 786

Bugfixes:

* Generate proper JSONPatch on mutating webhooks when the key is absent. Thanks to cjbaar. 803.

Contributor experience:

* Simplify the PR template. Thanks to turbaszek. 552
* Use issue forms instead of issue templates. 804
* Upgrade mypy to 0.900 series. 786

New features:

* Configurable timeouts for API operations and TCP connections. 793
* Configurable retries & backoffs for API server-side & networking errors. 788

Bugfixes:

* Prevent loss of events under high-load or with heavy sync-blockers in asyncio methods. 732
* Special thanks to paxbit & cjbaar for investigation.

Contributor experience:

* Kubernetes 1.16 and 1.17 dropped from CI; they will most likely continue to work as before. 794
* API clients refactored to have a unified requesting routine. 792 795
* Fix tests with namespaces mismatching the resource scopes. 791

Bugfixes:

* Propagate the sub-handling context to sub-sub-handlers. 780

New features:

* Rudimentary authentication from kubeconfig/serviceaccount with no pykube-ng/kubernetes libraries. 771

Bugfixes:

* Restore specific groups for peering selectors to prevent whole-cluster API group scanning. 741
* Fix an issue with Click 8.0.0 for custom type double-conversion. 769

Improvements:

* Better typing for memos in strictly typed operators (no `Union` is needed). 747 753
* Better typing for daemon stopping flags in strictly typed operators. 757 760
* Actionable suggestions on 401 "Unauthenticated" API errors. 770
* Expose Kopf's version in user-agent & in logs. 777

Contributor experience:

* Remove leading zeros from IPv4 in tests (broken CI for Python >= 3.9.5). 750
* Document the layered code architecture (with a picture). 766
* Proper badge URL for README. 749
* Lint the source code with pre-commit. 776 778

Internal refactoring:

* Rebalance the classes & modules **massively** — for cohesion and decoupling. 765 766 752 761 759 763 764 751
* Hide all internal modules & packages from users (via underscore-naming). 765
* Rename internal entities to not mention "resource(s)" explicitly. 756
* Fix the documentation cross-linking. 773
* Correct some code-formatting and linting issues. 775
* Parse E2E flags/configs with AST instead of RegExps. 733
* Use only pure f-strings for logs, avoid %s/%r formatting. 772

<img src="https://user-images.githubusercontent.com/544296/118763139-9f68da00-b877-11eb-8a28-b3c90d7a3c6a.png" height="200"/>