pjfanning opened a new pull request, #732: URL: https://github.com/apache/pekko-management/pull/732
Akka Management 1.3.0 changes are now available under the Apache License v2.0. https://github.com/akka/akka-management/releases/tag/v1.3.0 Ports the `rolling-update-kubernetes` module from [akka/akka-management#1113](https://github.com/akka/akka-management/pull/1113) and [akka/akka-management#1123](https://github.com/akka/akka-management/pull/1123). Provides a `PodDeletionCost` Pekko extension that automatically annotates pods with [`controller.kubernetes.io/pod-deletion-cost`](https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/#pod-deletion-cost) so Kubernetes v1.22+ preferentially removes younger pods, keeping cluster singletons stable during rolling updates. ## New module: `rolling-update-kubernetes` - **`CostStrategy` / `OlderCostsMore`** — ranks members by age; oldest gets cost 10000, stepping down by 100 per position - **`ApiRequests`** — builds the `PATCH /api/v1/namespaces/{ns}/pods/{name}` request with `application/merge-patch+json` - **`KubernetesSettings`** — reads config from `pekko.rollingupdate.kubernetes` - **`PodDeletionCost`** — Pekko extension; start programmatically or via `pekko.extensions` autostart - **`PodDeletionCostAnnotator`** — actor that subscribes to `MemberUp`/`MemberRemoved` events, recalculates costs, patches the pod, and retries on transient failures with configurable backoff ## Usage ```scala // programmatic PodDeletionCost(system).start() ``` ```hocon # or via autostart pekko.extensions = ["org.apache.pekko.rollingupdate.kubernetes.PodDeletionCost"] ``` Requires a Kubernetes `Role` with `patch` on `pods` bound to the service account. ## Build / docs changes - `build.sbt` — new `rollingUpdateKubernetes` project depending on `managementPki` - `project/Dependencies.scala` — deps: `pekko-actor`, `pekko-cluster`, `pekko-http`, `pekko-http-spray-json`; test: `pekko-testkit`, `scalatest`, `wiremock` - `project/project-info.conf` — new `rolling-update-kubernetes` entry - `docs/src/main/paradox/rolling-updates.md` — new page covering graceful shutdown, singleton stability, RBAC setup - Updated `index.md`, `bootstrap/recipes.md`, `kubernetes-deployment/forming-a-cluster.md` to cross-reference the new page -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
