{"id":18830700,"url":"https://github.com/materializeinc/k8s-controller","last_synced_at":"2025-09-26T12:44:23.344Z","repository":{"id":179571032,"uuid":"663705019","full_name":"MaterializeInc/k8s-controller","owner":"MaterializeInc","description":null,"archived":false,"fork":false,"pushed_at":"2025-09-17T17:06:56.000Z","size":44,"stargazers_count":6,"open_issues_count":4,"forks_count":0,"subscribers_count":3,"default_branch":"main","last_synced_at":"2025-09-17T19:41:36.649Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/MaterializeInc.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":".github/CODEOWNERS","security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2023-07-07T23:12:54.000Z","updated_at":"2025-09-17T17:06:51.000Z","dependencies_parsed_at":null,"dependency_job_id":"da51ecca-372f-427b-9f03-afe112f4e8ab","html_url":"https://github.com/MaterializeInc/k8s-controller","commit_stats":null,"previous_names":["materializeinc/kube-controller","materializeinc/k8s-controller"],"tags_count":5,"template":false,"template_full_name":null,"purl":"pkg:github/MaterializeInc/k8s-controller","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MaterializeInc%2Fk8s-controller","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MaterializeInc%2Fk8s-controller/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MaterializeInc%2Fk8s-controller/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MaterializeInc%2Fk8s-controller/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MaterializeInc","download_url":"https://codeload.github.com/MaterializeInc/k8s-controller/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MaterializeInc%2Fk8s-controller/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":276135191,"owners_count":25591185,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-20T02:00:10.207Z","response_time":63,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-08T01:49:58.306Z","updated_at":"2025-09-26T12:44:23.297Z","avatar_url":"https://github.com/MaterializeInc.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# k8s-controller\n\nThis crate implements a lightweight framework around\n[`kube_runtime::Controller`](https://docs.rs/kube-runtime/latest/kube_runtime/controller/struct.Controller.html)\nwhich provides a simpler interface for common controller patterns. To use it,\nyou define the data that your controller is going to operate over, and\nimplement the `Context` trait on that struct:\n\n```rust\n#[derive(Default, Clone)]\nstruct PodCounter {\n    pods: Arc\u003cMutex\u003cBTreeSet\u003cString\u003e\u003e\u003e,\n}\n\nimpl PodCounter {\n    fn pod_count(\u0026self) -\u003e usize {\n        let mut pods = self.pods.lock().unwrap();\n        pods.len()\n    }\n}\n\n#[async_trait::async_trait]\nimpl k8s_controller::Context for PodCounter {\n    type Resource = Pod;\n    type Error = kube::Error;\n\n    const FINALIZER_NAME: \u0026'static str = \"example.com/pod-counter\";\n\n    async fn apply(\n        \u0026self,\n        client: Client,\n        pod: \u0026Self::Resource,\n    ) -\u003e Result\u003cOption\u003cAction\u003e, Self::Error\u003e {\n        let mut pods = self.pods.lock().unwrap();\n        pods.insert(pod.meta().uid.as_ref().unwrap().clone());\n        Ok(None)\n    }\n\n    async fn cleanup(\n        \u0026self,\n        client: Client,\n        pod: \u0026Self::Resource,\n    ) -\u003e Result\u003cOption\u003cAction\u003e, Self::Error\u003e {\n        let mut pods = self.pods.lock().unwrap();\n        pods.remove(pod.meta().uid.as_ref().unwrap());\n        Ok(None)\n    }\n}\n```\n\nThen you can run it against your Kubernetes cluster by creating a\n`Controller`:\n\n```rust\nlet kube_config = Config::infer().await.unwrap();\nlet kube_client = Client::try_from(kube_config).unwrap();\nlet context = PodCounter::default();\nlet controller = k8s_controller::Controller::namespaced_all(\n    kube_client,\n    context.clone(),\n    ListParams::default(),\n);\ntask::spawn(controller.run());\n\nloop {\n    println!(\"{} pods running\", context.pod_count());\n    sleep(Duration::from_secs(1));\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmaterializeinc%2Fk8s-controller","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmaterializeinc%2Fk8s-controller","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmaterializeinc%2Fk8s-controller/lists"}