Add Helm chart for headroom-controller

Makefile

@@ -86,7 +86,8 @@ verify-charts:
 	arkade chart verify --verbose=$(VERBOSE) -f ./chart/postgres-connector/values.yaml && \
 	arkade chart verify --verbose=$(VERBOSE) -f ./chart/queue-worker/values.yaml && \
 	arkade chart verify --verbose=$(VERBOSE) -f ./chart/sns-connector/values.yaml && \
-	arkade chart verify --verbose=$(VERBOSE) -f ./chart/rabbitmq-connector/values.yaml
+	arkade chart verify --verbose=$(VERBOSE) -f ./chart/rabbitmq-connector/values.yaml && \
+	arkade chart verify --verbose=$(VERBOSE) -f ./chart/headroom-controller/values.yaml
 
 verify-chart:
 	@echo Verifying helm chart images in remote registries && \
@@ -109,7 +110,8 @@ upgrade-charts:
 	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/postgres-connector/values.yaml && \
 	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/queue-worker/values.yaml && \
 	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/sns-connector/values.yaml && \
-	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/rabbitmq-connector/values.yaml
+	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/rabbitmq-connector/values.yaml && \
+	arkade chart upgrade --verbose=$(VERBOSE) -w -f ./chart/headroom-controller/values.yaml
 
 bump-charts:
 	arkade chart bump --file ./chart/openfaas/Chart.yaml -w && \
@@ -122,8 +124,9 @@ bump-charts:
 	arkade chart bump --file ./chart/postgres-connector/Chart.yaml -w && \
 	arkade chart bump --file ./chart/queue-worker/Chart.yaml -w && \
 	arkade chart bump --file ./chart/sns-connector/Chart.yaml -w && \
-	arkade chart bump --file ./chart/rabbitmq-connector/Chart.yaml -w
-
+	arkade chart bump --file ./chart/rabbitmq-connector/Chart.yaml -w && \
+	arkade chart bump --file ./chart/headroom-controller/Chart.yaml -w
+
 charts-only:
 	@cd chart && \
 		helm package openfaas/ && \
@@ -136,7 +139,8 @@ charts-only:
 		helm package postgres-connector/ && \
 		helm package queue-worker/ && \
 		helm package sns-connector/ && \
-		helm package rabbitmq-connector/
+		helm package rabbitmq-connector/ && \
+		helm package headroom-controller/
 	mv chart/*.tgz docs/
 	helm repo index docs --url https://openfaas.github.io/faas-netes/ --merge ./docs/index.yaml
 

chart/headroom-controller/Chart.yaml

@@ -0,0 +1,19 @@
+apiVersion: v2
+name: headroom-controller
+description: A Helm chart for headroom-controller - Kubernetes resource reservation controller
+type: application
+version: 0.1.0
+appVersion: "0.1.0"
+keywords:
+  - kubernetes
+  - resource-management
+  - autoscaling
+home: https://github.com/openfaas/faas-netes/chart/headroom-controller/README.md
+sources:
+  - https://github.com/openfaas/faas-netes
+icon: https://raw.githubusercontent.com/openfaas/media/master/OpenFaaS_logo_stacked_opaque.png
+maintainers:
+  - name: alexellis
+    email: [email protected]
+  - name: welteki
+    email: [email protected]

chart/headroom-controller/README.md

@@ -0,0 +1,124 @@
+# Headroom Controller Helm Chart
+
+A Helm chart for deploying the headroom-controller controller, which manages Kubernetes resource reservations through custom Headroom resources.
+
+## Prerequisites
+
+- Kubernetes 1.19+
+- Helm 3.0+
+
+## Installation
+
+### Add the repository
+
+```bash
+helm repo add headroom-controller https://openfaas.github.io/faas-netes/
+helm repo update
+
+# Install the chart
+helm upgrade headroom-controller \
+  --install openfaas/headroom-controller \
+  --namespace default
+```
+
+### Install from local chart
+
+If you are working on a patch for the helm chart, you can deploy it directly from a local folder.
+
+```bash
+# Clone the repository
+git clone https://github.com/openfaas/faas-netes.git
+cd headroom-controller
+
+# Install the chart
+helm upgrade install headroom-controller \
+  --install./chart/headroom-controller \
+  --namespace default
+```
+
+## Usage
+
+After installation, you can create Headroom resources:
+
+```bash
+kubectl apply -f - <<EOF
+apiVersion: openfaas.com/v1
+kind: Headroom
+metadata:
+  name: example
+spec:
+  replicas: 1
+  requests:
+    cpu: "100m"
+    memory: "128Mi"
+  priorityClassName: "headroom"
+EOF
+```
+
+### Check status
+
+```bash
+kubectl get headrooms
+```
+
+### Scale headroom
+
+```bash
+kubectl scale headroom example --replicas=2
+```
+
+### Install with custom values
+
+```bash
+helm upgrade install headroom-controller \
+  --install openfaas/headroom-controller \
+  --namespace default \
+  --set rbac.role=ClusterRole \
+  --set replicaCount=2
+```
+
+## Configuration
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`.
+
+See [values.yaml](./values.yaml) for detailed configuration.
+
+| Parameter | Description | Default |
+|-----------|-------------|---------|
+| `replicaCount` | Number of controller replicas | `1` |
+| `image` | Container image | See [values.yaml](./values.yaml) |
+| `imagePullPolicy` | Image pull policy | `IfNotPresent` |
+| `imagePullSecrets` | Image pull secrets | `[]` |
+| `nameOverride` | Override chart name | `""` |
+| `fullnameOverride` | Override full chart name | `""` |
+| `rbac.create` | Create RBAC resources | `true` |
+| `rbac.role` | Role type (Role or ClusterRole) | `ClusterRole` |
+| `serviceAccount.create` | Create service account | `true` |
+| `serviceAccount.annotations` | Service account annotations | `{}` |
+| `serviceAccount.name` | Service account name | `""` |
+| `podAnnotations` | Pod annotations | `{}` |
+| `podSecurityContext` | Pod security context | `{}` |
+| `securityContext` | Container security context | `{}` |
+| `resources.limits.cpu` | CPU limit | `250m` |
+| `resources.limits.memory` | Memory limit | `256Mi` |
+| `resources.requests.cpu` | CPU request | `50m` |
+| `resources.requests.memory` | Memory request | `64Mi` |
+| `nodeSelector` | Node selector for pod assignment | `{}` |
+| `tolerations` | Tolerations for pod assignment | `[]` |
+| `affinity` | Affinity rules for pod assignment | `{}` |
+| `metrics.enabled` | Enable metrics collection | `false` |
+| `leaderElection.enabled` | Enable leader election | `true` |
+| `leaderElection.namespace` | Namespace for leader election | `"default"` |
+| `logging.level` | Log level | `info` |
+
+## Uninstalling
+
+```bash
+helm uninstall headroom-controller
+```
+
+Note: This will not remove the CRDs. To remove them:
+
+```bash
+kubectl delete crd headrooms.openfaas.com
+```