GitLocker: The Coding Marketplace

Description:

cdk8sclusterautoscaleraws 0.1.4

cdk8s-cluster-autoscaler-aws

Synths an install manifest for cluster-autoscaler AWS
Controller version : v1.17.3
Overview
cluster-autoscaler-autodiscover.yaml example
import { Construct } from 'constructs';
import { App, Chart, ChartProps } from 'cdk8s';
import { ClusterAutoScaler } from '@opencdk8s/cdk8s-cluster-autoscaler-aws';

export class MyChart extends Chart {
constructor(scope: Construct, id: string, props: ChartProps = { }) {
super(scope, id, props);

const clusterName = 'example';

new ClusterAutoScaler(this, 'example', {
createServiceAccount: true,
command: [
`--node-group-auto-discovery=asg:tag=k8s.io/cluster-autoscaler/enabled,k8s.io/cluster-autoscaler/${clusterName}`,
],
})

}
}

const app = new App();
new MyChart(app, 'example');
app.synth();

cluster-autoscaler-autodiscover.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-addon: cluster-autoscaler.addons.k8s.io
k8s-app: cluster-autoscaler
name: cluster-autoscaler
namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
k8s-addon: cluster-autoscaler.addons.k8s.io
k8s-app: cluster-autoscaler
name: cluster-autoscaler
rules:
- apiGroups:
- ""
resources:
- events
- endpoints
verbs:
- create
- patch
- apiGroups:
- ""
resources:
- pods/eviction
verbs:
- create
- apiGroups:
- ""
resources:
- pods/status
verbs:
- update
- apiGroups:
- ""
resourceNames:
- cluster-autoscaler
resources:
- endpoints
verbs:
- get
- update
- apiGroups:
- ""
resources:
- nodes
verbs:
- watch
- list
- get
- update
- apiGroups:
- ""
resources:
- pods
- services
- replicationcontrollers
- persistentvolumeclaims
- persistentvolumes
verbs:
- watch
- list
- get
- apiGroups:
- extensions
resources:
- replicasets
- daemonsets
verbs:
- watch
- list
- get
- apiGroups:
- policy
resources:
- poddisruptionbudgets
verbs:
- watch
- list
- apiGroups:
- apps
resources:
- statefulsets
- replicasets
- daemonsets
verbs:
- watch
- list
- get
- apiGroups:
- storage.k8s.io
resources:
- storageclasses
- csinodes
verbs:
- watch
- list
- get
- apiGroups:
- batch
- extensions
resources:
- jobs
verbs:
- get
- list
- watch
- patch
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- create
- apiGroups:
- coordination.k8s.io
resourceNames:
- cluster-autoscaler
resources:
- leases
verbs:
- get
- update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
k8s-addon: cluster-autoscaler.addons.k8s.io
k8s-app: cluster-autoscaler
name: cluster-autoscaler
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: cluster-autoscaler
subjects:
- kind: ServiceAccount
name: cluster-autoscaler
namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
k8s-addon: cluster-autoscaler.addons.k8s.io
k8s-app: cluster-autoscaler
name: cluster-autoscaler
namespace: kube-system
rules:
- apiGroups:
- ""
resources:
- configmaps
verbs:
- create
- list
- watch
- apiGroups:
- ""
resourceNames:
- cluster-autoscaler-status
- cluster-autoscaler-priority-expander
resources:
- configmaps
verbs:
- delete
- get
- update
- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
k8s-addon: cluster-autoscaler.addons.k8s.io
k8s-app: cluster-autoscaler
name: cluster-autoscaler
namespace: kube-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: cluster-autoscaler
subjects:
- kind: ServiceAccount
name: cluster-autoscaler
namespace: kube-system
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: cluster-autoscaler
name: cluster-autoscaler
namespace: kube-system
spec:
replicas: 1
selector:
matchLabels:
app: cluster-autoscaler
template:
metadata:
annotations:
prometheus.io/port: "8085"
prometheus.io/scrape: "true"
labels:
app: cluster-autoscaler
spec:
containers:
- command:
- ./cluster-autoscaler
- --v=4
- ----stderrthreshold=info
- --cloud-provider=aws
- --skip-nodes-with-local-storage=false
- --expander=least-waste
- --node-group-auto-discovery=asg:tag=k8s.io/cluster-autoscaler/enabled,k8s.io/cluster-autoscaler/example
image: k8s.gcr.io/autoscaling/cluster-autoscaler:v1.17.3
imagePullPolicy: Always
name: cluster-autoscaler
resources:
limits:
cpu: 100m
memory: 300Mi
requests:
cpu: 100m
memory: 300Mi
volumeMounts:
- mountPath: /etc/ssl/certs/ca-certificates.crt
name: ssl-certs
readOnly: true
serviceAccountName: cluster-autoscaler
volumes:
- hostPath:
path: /etc/ssl/certs/ca-bundle.crt
name: ssl-certs

Installation
TypeScript
Use yarn or npm to install.
$ npm install @opencdk8s/cdk8s-cluster-autoscaler-aws

$ yarn add @opencdk8s/cdk8s-cluster-autoscaler-aws

Python
$ pip install cdk8s-cluster-autoscaler-aws

Contribution

Fork (link)

Bootstrap the repo:
npx projen # generates package.json
yarn install # installs dependencies

Development scripts:

Command
Description

yarn compile
Compiles typescript => javascript

yarn watch
watch & compile

yarn test
Run unit test & linter through jest

yarn test -u
Update jest snapshots

yarn run package
Creates a dist with packages for all languages.

yarn build
Compile + test + package

yarn bump
Bump version (with changelog) based on [conventional commits]

yarn release
Bump + push to master

Create a feature branch

Commit your changes

Rebase your local changes against the master branch

Create a new Pull Request (use conventional commits for the title please)

Licence
Apache License, Version 2.0
Author
Hunter-Thompson