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Update "Node Deploy with Helm"
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timlackhan
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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.vscode/
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apiVersion: v1
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appVersion: "1.0"
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description: A Helm chart for Kubernetes
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name: node
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version: 0.1.0
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# Clear Linux* OS `node` Helm Charts
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<!-- Required -->
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## What is this image?
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`clearlinux/node` is a Docker image with `node` running on top of the [official clearlinux base image](https://hub.docker.com/_/clearlinux).
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> [Node](https://nodejs.org/en/) is a JavaScript runtime built on Chrome's V8 JavaScript engine.
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For other Clear Linux* OS based container images, see: https://hub.docker.com/u/clearlinux
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## Why use a clearlinux based image?
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> [Clear Linux* OS](https://clearlinux.org/) is an open source, rolling release Linux distribution optimized for performance and security, from the Cloud to the Edge, designed for customization, and manageability.
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Clear Linux* OS based container images use:
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- Optimized libraries that are compiled with latest compiler versions and flags.
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- Software packages that follow upstream source closely and update frequently.
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- An aggressive security model and best practices for CVE patching.
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- A multi-staged build approach to keep a reduced container image size.
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- The same container syntax as the official images to make getting started easy.
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To learn more about Clear Linux* OS, visit: [https://clearlinux.org](https://clearlinux.org/).
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<!-- Required -->
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## Installing the Node Chart
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Download the node chart and install the chart with the release name ` my-release`
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```
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$ helm install --name my-release node
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```
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## Uninstalling the Chart
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To uninstall/delete the `my-release` deployment:
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```
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$ helm delete my-release
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```
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The command removes all the Kubernetes components associated with the chart and deletes the release.
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## Parameters
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The following table lists the configurable parameters of the node chart and their default values.
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| Parameter | Description | Default |
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| ------------------------------ | ------------------------------------------- | --------------------------- |
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| `image.replicaCount` | node pod count | `2` |
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| `image.repository` | node image repository | `docker.io/clearlinux/node` |
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| `image.imagepullPolicy` | node image pull policy | `IfNotPresent` |
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| `service.type` | node service type | `NodePort` |
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| `service.port` | node service port | `80` |
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| `service.targetPort` | node service targetPort | `80` |
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| `service.nodePort` | node service nodePort | `30001` |
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| `config.enabled` | If apply custom config file to node service | `True` |
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| `config.content` | custom file content | `your own custom conf` |
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| `config.name` | config volume name | `nodejs-mount` |
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| `ingress.enabled` | Enable ingress controller resource | `false` |
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| `ingress.hosts[0].host` | Host to your Node installation | `chart-example.local` |
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| `ingress.hosts[0].paths` | Path within the url structure | `[]` |
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| `ingress.hosts[0].tls` | Utilize TLS backend in ingress | `[]` |
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| `ingress.hosts[0].annotations` | Annotations for this host's ingress record | `{}` |
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<!-- Required -->
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## Licenses
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All licenses for the Clear Linux* Project and distributed software can be found
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at https://clearlinux.org/terms-and-policies
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1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range $host := .Values.ingress.hosts }}
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{{- range .paths }}
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http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
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{{- end }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "node.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "node.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "node.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "node.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl port-forward $POD_NAME 8080:80
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{{- end }}
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "node.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "node.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- if contains $name .Release.Name -}}
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{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "node.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Common labels
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*/}}
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{{- define "node.labels" -}}
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app.kubernetes.io/name: {{ include "node.name" . }}
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helm.sh/chart: {{ include "node.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end -}}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "node.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "node.fullname" .) .Values.serviceAccount.name }}
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{{- else -}}
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{{ default "default" .Values.serviceAccount.name }}
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{{- end -}}
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{{- end -}}
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{{- if .Values.config.enabled }}
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "node.fullname" . }}
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labels:
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{{ include "node.labels" . | indent 4 }}
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data:
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app.js: |-
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{{ .Values.config.content | indent 4 }}
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{{- end }}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "node.fullname" . }}
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labels:
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{{ include "node.labels" . | indent 4 }}
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spec:
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replicas: {{ .Values.image.replicaCount }}
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selector:
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matchLabels:
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app.kubernetes.io/name: {{ include "node.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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template:
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "node.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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spec:
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containers:
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- name: node
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image: {{ .Values.image.repository }}
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imagePullPolicy: {{ .Values.image.imagePullPolicy }}
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ports:
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- containerPort: {{ .Values.service.port }}
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command: ["node", "/app.js"]
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volumeMounts:
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- name: {{ .Values.config.name }}
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mountPath: /app.js
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subPath: app.js
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volumes:
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- name: {{ .Values.config.name }}
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configMap:
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name: {{ include "node.fullname" . }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "node.fullname" . }}
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labels:
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{{ include "node.labels" . | indent 4 }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: {{ .Values.service.targetPort }}
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nodePort: {{ .Values.service.nodePort }}
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selector:
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app.kubernetes.io/name: {{ include "node.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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@@ -0,0 +1,45 @@
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# Default values for node.
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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image:
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replicaCount: 2
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repository: docker.io/clearlinux/node
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imagePullPolicy: IfNotPresent
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service:
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type: NodePort
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port: 80
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targetPort: 80
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nodePort: 30001
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config:
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enabled: True
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name: nodejs-mount
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content: |-
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const http = require('http');
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const os = require('os');
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var handler = function(request, response){
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response.writeHead(200);
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response.end("Hello nodejs!\n")
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};
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var www = http.createServer(handler);
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www.listen(80);
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ingress:
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enabled: false
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annotations: {}
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# kubernetes.io/ingress.class: nginx
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# kubernetes.io/tls-acme: "true"
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hosts:
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- host: chart-example.local
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paths: []
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tls: []
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# - secretName: chart-example-tls
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# hosts:
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# - chart-example.local
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