Merge pull request #1 from projectsyn/initial-implementation

Initial implementation

CHANGELOG.md

@@ -4,9 +4,12 @@ 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).
 
-## [Unreleased]
+## [v1.0.0]
 ### Added
 
-- …
+- Initial open-source implementation ([#1])
 
-[Unreleased]: https://github.com/projectsyn/component-cluster-autoscaler/compare/v0.1.0...HEAD
+[Unreleased]: https://github.com/projectsyn/component-cluster-autoscaler/compare/v1.0.0...HEAD
+[v1.0.0]: https://github.com/projectsyn/component-cluster-autoscaler/releases/tag/v1.0.0
+
+[#1]: https://github.com/projectsyn/component-cluster-autoscaler/pull/

README.md

@@ -1,9 +1,6 @@
-# component-cluster-autoscaler
-Commodore component to manage the Kubernetes Cluster Autoscaler
-=======
 # Commodore Component: cluster-autoscaler
 
-This is a [Commodore][commodore] Component for cluster-autoscaler.
+This is a [Commodore][commodore] Component for the [Kubernetes Cluster Autoscaler](https://github.com/kubernetes/autoscaler/) provided by the Kubernetes Community.
 
 This repository is part of Project Syn.
 For documentation on Project Syn and this component, see https://syn.tools.

class/cluster-autoscaler.yml

@@ -1,5 +1,11 @@
 parameters:
   kapitan:
+    dependencies:
+      - type: helm
+        source: https://kubernetes.github.io/autoscaler
+        version: ${cluster_autoscaler:charts:cluster_autoscaler}
+        chart_name: cluster-autoscaler
+        output_path: dependencies/cluster-autoscaler/helmcharts/cluster-autoscaler/${cluster_autoscaler:charts:cluster_autoscaler}/
     compile:
       - input_paths:
           - cluster-autoscaler/component/app.jsonnet
@@ -9,4 +15,11 @@ parameters:
           - cluster-autoscaler/component/main.jsonnet
         input_type: jsonnet
         output_path: cluster-autoscaler/
-
+      - output_path: cluster-autoscaler/01_helmchart
+        input_type: helm
+        input_paths:
+          - cluster-autoscaler/helmcharts/cluster-autoscaler/${cluster_autoscaler:charts:cluster_autoscaler}/
+        helm_params:
+          release_name: ${cluster_autoscaler:release_name}
+          namespace: ${cluster_autoscaler:namespace}
+        helm_values: ${cluster_autoscaler:helm_values}

class/defaults.yml

@@ -1,3 +1,9 @@
 parameters:
   cluster_autoscaler:
     namespace: syn-cluster-autoscaler
+    release_name: syn
+    charts:
+      cluster_autoscaler: 9.9.2
+    helm_values:
+      autoDiscovery:
+        clusterName: '${cluster:name}'

component/main.jsonnet

@@ -7,4 +7,5 @@ local params = inv.parameters.cluster_autoscaler;
 
 // Define outputs below
 {
+  '00_namespace': kube.Namespace(params.namespace),
 }

docs/modules/ROOT/pages/references/parameters.adoc

@@ -11,9 +11,34 @@ default:: `syn-cluster-autoscaler`
 The namespace in which to deploy this component.
 
 
-== Example
+== `release_name`
 
+[horizontal]
+type:: string
+default:: `syn`
+
+The name syn-cluster-autoscaler is deployed.
+Usually there is just one deployment and therefore no change is required.
+
+
+== `charts.cluster_autoscaler`
+
+[horizontal]
+type:: string
+default:: `9.9.2`
+
+The helm chart version going to be used.
+
+
+== `helm_values`
+
+[horizontal]
+type:: dict
+default::
++
 [source,yaml]
 ----
-namespace: example-namespace
 ----
+
+All helm_values are passed to the helm chart.
+This allows to configure all https://github.com/kubernetes/autoscaler/tree/master/charts/cluster-autoscaler#values[cluster-autoscaler helm chart values].