feat: add Metrics Server

This enables basic CPU and memory usage tracking during development.

Signed-off-by: Dennis Marttinen <[email protected]>

.gitignore

@@ -7,9 +7,12 @@
 !/work/cpouta
 !/work/ddclient.template.conf
 !/work/supernetes-cluster.yaml
+!/work/manifests/cert-approver/**
 !/work/manifests/flux/**
 !/work/manifests/gateway-api/**
+!/work/manifests/metrics-server/**
 !/work/manifests/supernetes/**
 !/work/manifests/kustomization.yaml
 !/work/patch/cilium.yaml
+!/work/patch/metrics-server.yaml
 !/work/patch/single-node.yaml

work/manifests/cert-approver/kustomization.yaml

@@ -0,0 +1,4 @@
+namespace: cert-approver
+
+resources:
+  - github.com/alex1989hu/kubelet-serving-cert-approver//deploy/base?ref=main

work/manifests/kustomization.yaml

@@ -1,4 +1,6 @@
 resources:
+  - cert-approver
   - flux
   - gateway-api
+  - metrics-server
   - supernetes

work/manifests/metrics-server/charts/metrics-server/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

work/manifests/metrics-server/charts/metrics-server/CHANGELOG.md

@@ -0,0 +1,168 @@
+# Metrics Server Helm Chart Changelog
+
+> [!NOTE]
+> All notable changes to this project will be documented in this file; the format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+<!--
+### Added - For new features.
+### Changed - For changes in existing functionality.
+### Deprecated - For soon-to-be removed features.
+### Removed - For now removed features.
+### Fixed - For any bug fixes.
+### Security - In case of vulnerabilities.
+-->
+
+## [UNRELEASED]
+
+## [3.12.2] - TBC
+
+### Added
+
+- Explicitly added the app protocol to the service. ([#1540](https://github.com/kubernetes-sigs/metrics-server/pull/1540)) _@seankhliao_
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.7.2](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.7.2). ([#1568](https://github.com/kubernetes-sigs/metrics-server/pull/1568)) _@stevehipwell_
+- Updated the _addonResizer_ OCI image to [1.8.21](https://github.com/kubernetes/autoscaler/releases/tag/addon-resizer-1.8.21). ([#1504](https://github.com/kubernetes-sigs/metrics-server/pull/1504)) _@jimmy-ungerman_
+- Changed `Deployment` templating to ignore `schedulerName` when value is empty. ([#1475](https://github.com/kubernetes-sigs/metrics-server/pull/1475)) _@senges_
+
+### Fixed
+
+- Fixed PSPs to only be templated for supported K8s versions. ([#1471](https://github.com/kubernetes-sigs/metrics-server/pull/1471)) _@treksler_
+- Fixed nanny's RoleBinding which contained a hard-coded namespace instead of the Helm's release namespace. ([#1479](https://github.com/kubernetes-sigs/metrics-server/pull/1479)) _@the-technat_
+- Fixed the `ServiceMonitor` job label. ([#1568](https://github.com/kubernetes-sigs/metrics-server/pull/1568)) _@stevehipwell_
+
+## [3.12.1] - 2024-04-05
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.7.1](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.7.1). ([#1461](https://github.com/kubernetes-sigs/metrics-server/pull/1461)) _@stevehipwell_
+
+## [3.12.0] - 2024-02-07
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.7.0](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.7.0). ([#1414](https://github.com/kubernetes-sigs/metrics-server/pull/1414)) [@stevehipwell](https://github.com/stevehipwell)
+- Updated the _addon-resizer_ OCI image to [v1.8.20](https://github.com/kubernetes/autoscaler/releases/tag/addon-resizer-1.8.20). ([#1414](https://github.com/kubernetes-sigs/metrics-server/pull/1414)) [@stevehipwell](https://github.com/stevehipwell)
+
+## [3.11.0] - 2023-08-03
+
+### Added
+
+- Added default _Metrics Server_ resource requests.
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.6.4](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.4).
+- Updated the _addon-resizer_ OCI image to [v1.8.19](https://github.com/kubernetes/autoscaler/releases/tag/addon-resizer-1.8.19).
+
+## [3.10.0] - 2023-04-12
+
+### Added
+
+- Added support for running under PodSecurity restricted.
+
+### Fixed
+
+- Fixed `auth-reader` role binding namespace to always use `kube-system`.
+- Fixed addon-resizer configuration.
+- Fixed container port default not having been updated to `10250`.
+
+## [3.9.0] - 2023-03-28
+
+### Added
+
+- Added autoscaling support via the addon-resizer.
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.6.3](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.3).
+
+### Fixed
+
+- Fixed service labels/annotations.
+
+## [3.8.4] - 2023-03-06
+
+### Changed
+
+- Changed the image registry location to `registry.k8s.io`.
+
+## [3.8.3] - 2022-12-08
+
+### Added
+
+- Added support for topologySpreadConstraints.
+- Always set resource namespaces explicitly.
+- Allow configuring TLS on the APIService.
+- Enabled service monitor relabelling.
+- Added ability to set the scheduler name.
+- Added support for common labels.
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.6.2](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.2).
+
+## [3.8.2] - 2022-02-23
+
+### Changed
+
+- Changed chart to allow probes to be turned off completely (this is not advised unless you know what you're doing).
+
+## [3.8.1] - 2022-02-09
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.6.1](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.1).
+
+## [3.8.0] - 2022-02-08
+
+### Added
+
+- Added support for unauthenticated access to the /metrics endpoint.
+- Added optional _Prometheus Operator_ `ServiceMonitor`.
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.6.0](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.0).
+
+## [3.7.0] - 2021-11-18
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.5.2](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.5.2).
+
+## [3.6.0] - 2021-10-18
+
+### Added
+
+- Added new `defaultArgs`` value to enable overriding the default arguments.
+
+### Changed
+
+- Updated the _Metrics Server_ OCI image to [v0.5.1](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.5.1).
+
+## [3.5.0] - 2021-10-07
+
+### Added
+
+- Added initial Helm chart release from official repo.
+
+<!--
+RELEASE LINKS
+-->
+[UNRELEASED]: https://github.com/kubernetes-sigs/metrics-server/tree/master/charts/metrics-server
+[3.12.2]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.12.2
+[3.12.1]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.12.1
+[3.12.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.12.0
+[3.11.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.11.0
+[3.10.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.10.0
+[3.9.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.9.0
+[3.8.4]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.8.4
+[3.8.3]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.8.3
+[3.8.2]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.8.2
+[3.8.1]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.8.1
+[3.8.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.8.0
+[3.7.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.7.0
+[3.6.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.6.0
+[3.5.0]: https://github.com/kubernetes-sigs/metrics-server/releases/tag/metrics-server-helm-chart-3.5.0

work/manifests/metrics-server/charts/metrics-server/Chart.yaml

@@ -0,0 +1,32 @@
+annotations:
+  artifacthub.io/changes: |
+    - kind: added
+      description: "Explicitly added the app protocol to the service."
+    - kind: changed
+      description: "Updated the _Metrics Server_ OCI image to [v0.7.2](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.7.2)."
+    - kind: changed
+      description: "Updated the _addonResizer_ OCI image to [1.8.21](https://github.com/kubernetes/autoscaler/releases/tag/addon-resizer-1.8.21)"
+    - kind: fixed
+      description: "Fixed nanny's RoleBinding which contained a hard-coded namespace instead of the Helm's release namespace."
+apiVersion: v2
+appVersion: 0.7.2
+description: Metrics Server is a scalable, efficient source of container resource
+  metrics for Kubernetes built-in autoscaling pipelines.
+home: https://github.com/kubernetes-sigs/metrics-server
+icon: https://avatars.githubusercontent.com/u/36015203?s=400&v=4
+keywords:
+- kubernetes
+- metrics-server
+- metrics
+maintainers:
+- name: stevehipwell
+  url: https://github.com/stevehipwell
+- name: krmichel
+  url: https://github.com/krmichel
+- name: endrec
+  url: https://github.com/endrec
+name: metrics-server
+sources:
+- https://github.com/kubernetes-sigs/metrics-server
+type: application
+version: 3.12.2