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# API Machinery Special Interest Group

Covers all aspects of API server, API registration and discovery, generic API CRUD semantics, admission control, encoding/decoding, conversion, defaulting, persistence layer (etcd), OpenAPI, CustomResourceDefinition, garbage collection, and client libraries.

The [charter](charter.md) defines the scope and governance of the API Machinery Special Interest Group.

## Meetings
*Joining the [mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-api-machinery) for the group will typically add invites for the following meetings to your calendar.*
* Kubebuilder and Controller Runtime Meeting: [Thursdays at 11:00 PT (Pacific Time)]() (biweekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=11:00&tz=PT%20%28Pacific%20Time%29).
  * [Meeting notes and Agenda](https://docs.google.com/document/d/1Ih-2cgg1bUrLwLVTB9tADlPcVdgnuMNBGbUl4D-0TIk/edit?usp=sharing).
* Regular SIG Meeting: [Wednesdays at 11:00 PT (Pacific Time)](https://zoom.us/my/apimachinery) (biweekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=11:00&tz=PT%20%28Pacific%20Time%29).
  * [Meeting notes and Agenda](https://goo.gl/0lbiM9).
  * [Meeting recordings](https://www.youtube.com/playlist?list=PL69nYSiGNLP21oW3hbLyjjj4XhrwKxH2R).

## Leadership

### Chairs
The Chairs of the SIG run operations and processes governing the SIG.

* David Eads (**[@deads2k](https://github.com/deads2k)**), Red Hat
* Federico Bongiovanni (**[@fedebongio](https://github.com/fedebongio)**), Google

### Technical Leads
The Technical Leads of the SIG establish new subprojects, decommission existing
subprojects, and resolve cross-subproject technical issues and decisions.

* David Eads (**[@deads2k](https://github.com/deads2k)**), Red Hat
* Daniel Smith (**[@lavalamp](https://github.com/lavalamp)**), Google

## Contact
- Slack: [#sig-api-machinery](https://kubernetes.slack.com/messages/sig-api-machinery)
- [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-api-machinery)
- [Open Community Issues/PRs](https://github.com/kubernetes/community/labels/sig%2Fapi-machinery)
- GitHub Teams:
    - [@kubernetes/sig-api-machinery-api-reviews](https://github.com/orgs/kubernetes/teams/sig-api-machinery-api-reviews) - API Changes and Reviews (API Machinery APIs, NOT all APIs)
    - [@kubernetes/sig-api-machinery-bugs](https://github.com/orgs/kubernetes/teams/sig-api-machinery-bugs) - Bug Triage and Troubleshooting
    - [@kubernetes/sig-api-machinery-feature-requests](https://github.com/orgs/kubernetes/teams/sig-api-machinery-feature-requests) - Feature Requests
    - [@kubernetes/sig-api-machinery-misc](https://github.com/orgs/kubernetes/teams/sig-api-machinery-misc) - General Discussion
    - [@kubernetes/sig-api-machinery-pr-reviews](https://github.com/orgs/kubernetes/teams/sig-api-machinery-pr-reviews) - PR Reviews
    - [@kubernetes/sig-api-machinery-proposals](https://github.com/orgs/kubernetes/teams/sig-api-machinery-proposals) - Design Proposals
    - [@kubernetes/sig-api-machinery-test-failures](https://github.com/orgs/kubernetes/teams/sig-api-machinery-test-failures) - Test Failures and Triage
- Steering Committee Liaison: Nabarun Pal (**[@palnabarun](https://github.com/palnabarun)**)

## Working Groups

The following [working groups][working-group-definition] are sponsored by sig-api-machinery:
* [WG API Expression](/wg-api-expression)
* [WG Multitenancy](/wg-multitenancy)
* [WG Structured Logging](/wg-structured-logging)


## Subprojects

The following [subprojects][subproject-definition] are owned by sig-api-machinery:
### cel-admission-webhook
- **Owners:**
  - [kubernetes/cel-admission-webhook](https://github.com/kubernetes/cel-admission-webhook/blob/main/OWNERS)
### component-base
- **Owners:**
  - [kubernetes-sigs/legacyflag](https://github.com/kubernetes-sigs/legacyflag/blob/master/OWNERS)
  - [kubernetes/component-base](https://github.com/kubernetes/component-base/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/component-base](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/component-base/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/component-base/version](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/component-base/version/OWNERS)
### control-plane-features
- **Owners:**
  - [kubernetes-sigs/kube-storage-version-migrator](https://github.com/kubernetes-sigs/kube-storage-version-migrator/blob/master/OWNERS)
  - [kubernetes-sigs/kubectl-check-ownerreferences](https://github.com/kubernetes-sigs/kubectl-check-ownerreferences/blob/master/OWNERS)
  - [kubernetes/kubernetes/pkg/controller/garbagecollector](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/garbagecollector/OWNERS)
  - [kubernetes/kubernetes/pkg/controller/namespace](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/namespace/OWNERS)
  - [kubernetes/kubernetes/pkg/controller/resourcequota](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/resourcequota/OWNERS)
  - [kubernetes/kubernetes/pkg/quota/v1](https://github.com/kubernetes/kubernetes/blob/master/pkg/quota/v1/OWNERS)
### idl-schema-client-pipeline
- **Owners:**
  - [kubernetes-client/gen](https://github.com/kubernetes-client/gen/blob/master/OWNERS)
  - [kubernetes-sigs/structured-merge-diff](https://github.com/kubernetes-sigs/structured-merge-diff/blob/master/OWNERS)
  - [kubernetes/code-generator](https://github.com/kubernetes/code-generator/blob/master/OWNERS)
  - [kubernetes/gengo](https://github.com/kubernetes/gengo/blob/master/OWNERS)
  - [kubernetes/kube-openapi](https://github.com/kubernetes/kube-openapi/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/code-generator](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/code-generator/OWNERS)
### json
- **Owners:**
  - [kubernetes-sigs/json](https://github.com/kubernetes-sigs/json/blob/main/OWNERS)
### kubernetes-clients
- **Owners:**
  - [kubernetes-client/c](https://github.com/kubernetes-client/c/blob/master/OWNERS)
  - [kubernetes-client/csharp](https://github.com/kubernetes-client/csharp/blob/master/OWNERS)
  - [kubernetes-client/go-base](https://github.com/kubernetes-client/go-base/blob/master/OWNERS)
  - [kubernetes-client/go](https://github.com/kubernetes-client/go/blob/master/OWNERS)
  - [kubernetes-client/haskell](https://github.com/kubernetes-client/haskell/blob/master/OWNERS)
  - [kubernetes-client/java](https://github.com/kubernetes-client/java/blob/master/OWNERS)
  - [kubernetes-client/javascript](https://github.com/kubernetes-client/javascript/blob/master/OWNERS)
  - [kubernetes-client/perl](https://github.com/kubernetes-client/perl/blob/master/OWNERS)
  - [kubernetes-client/python-base](https://github.com/kubernetes-client/python-base/blob/master/OWNERS)
  - [kubernetes-client/python](https://github.com/kubernetes-client/python/blob/master/OWNERS)
  - [kubernetes-client/ruby](https://github.com/kubernetes-client/ruby/blob/master/OWNERS)
  - [kubernetes-sigs/clientgofix](https://github.com/kubernetes-sigs/clientgofix/blob/master/OWNERS)
  - [kubernetes/client-go](https://github.com/kubernetes/client-go/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/client-go](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/client-go/OWNERS)
### server-api-aggregation
- **Owners:**
  - [kubernetes/kube-aggregator](https://github.com/kubernetes/kube-aggregator/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/kube-aggregator](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/kube-aggregator/OWNERS)
### server-binaries
- **Owners:**
  - [kubernetes/kubernetes/cmd/cloud-controller-manager](https://github.com/kubernetes/kubernetes/blob/master/cmd/cloud-controller-manager/OWNERS)
  - [kubernetes/kubernetes/cmd/kube-apiserver](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-apiserver/OWNERS)
  - [kubernetes/kubernetes/cmd/kube-controller-manager](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-controller-manager/OWNERS)
  - [kubernetes/kubernetes/pkg/controlplane](https://github.com/kubernetes/kubernetes/blob/master/pkg/controlplane/OWNERS)
  - [kubernetes/kubernetes/pkg/kubeapiserver](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubeapiserver/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/controller-manager](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/controller-manager/OWNERS)
### server-crd
- **Owners:**
  - [kubernetes/apiextensions-apiserver](https://github.com/kubernetes/apiextensions-apiserver/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/apiextensions-apiserver](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apiextensions-apiserver/OWNERS)
### server-frameworks
- **Owners:**
  - [kubernetes/apiserver](https://github.com/kubernetes/apiserver/blob/master/OWNERS)
  - [kubernetes/controller-manager](https://github.com/kubernetes/controller-manager/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/apiserver](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apiserver/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/controller-manager](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/controller-manager/OWNERS)
### server-sdk
- **Owners:**
  - [kubernetes-sigs/apiserver-builder-alpha](https://github.com/kubernetes-sigs/apiserver-builder-alpha/blob/master/OWNERS)
  - [kubernetes-sigs/apiserver-runtime](https://github.com/kubernetes-sigs/apiserver-runtime/blob/master/OWNERS)
  - [kubernetes-sigs/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime/blob/master/OWNERS)
  - [kubernetes-sigs/controller-tools](https://github.com/kubernetes-sigs/controller-tools/blob/master/OWNERS)
  - [kubernetes-sigs/kubebuilder-declarative-pattern](https://github.com/kubernetes-sigs/kubebuilder-declarative-pattern/blob/master/OWNERS)
  - [kubernetes-sigs/kubebuilder-release-tools](https://github.com/kubernetes-sigs/kubebuilder-release-tools/blob/master/OWNERS)
  - [kubernetes-sigs/kubebuilder](https://github.com/kubernetes-sigs/kubebuilder/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/sample-apiserver](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/sample-apiserver/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/sample-controller](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/sample-controller/OWNERS)
  - [kubernetes/sample-apiserver](https://github.com/kubernetes/sample-apiserver/blob/master/OWNERS)
  - [kubernetes/sample-controller](https://github.com/kubernetes/sample-controller/blob/master/OWNERS)
- **Contact:**
  - [Mailing List](https://groups.google.com/forum/#!forum/kubebuilder)
### universal-machinery
- **Owners:**
  - [kubernetes/apimachinery](https://github.com/kubernetes/apimachinery/blob/master/OWNERS)
  - [kubernetes/kubernetes/staging/src/k8s.io/apimachinery](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apimachinery/OWNERS)
### yaml
- **Owners:**
  - [kubernetes-sigs/yaml](https://github.com/kubernetes-sigs/yaml/blob/master/OWNERS)

[subproject-definition]: https://github.com/kubernetes/community/blob/master/governance.md#subprojects
[working-group-definition]: https://github.com/kubernetes/community/blob/master/governance.md#working-groups
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## Additional links

* [YouTube Playlist](https://www.youtube.com/playlist?list=PL69nYSiGNLP21oW3hbLyjjj4XhrwKxH2R) - find meeting recordings here

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