diff --git a/node-red/.helmignore b/node-red/.helmignore new file mode 100644 index 00000000..f0c13194 --- /dev/null +++ b/node-red/.helmignore @@ -0,0 +1,21 @@ +# 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 +*~ +# Various IDEs +.project +.idea/ +*.tmproj diff --git a/node-red/Chart.yaml b/node-red/Chart.yaml new file mode 100644 index 00000000..9c240880 --- /dev/null +++ b/node-red/Chart.yaml @@ -0,0 +1,16 @@ +apiVersion: v1 +appVersion: 0.19.4 +description: Node-RED +name: node-red +version: 0.0.3 +keywords: + - nodered + - node-red +home: https://github.com/node-red/node-red-docker +icon: https://nodered.org/about/resources/media/node-red-icon-2.png +sources: + - https://github.com/node-red/node-red-docker + - https://github.com/kubernetes/charts/stable/node-red +maintainers: + - name: billimek + email: jeff@billimek.com \ No newline at end of file diff --git a/node-red/README.md b/node-red/README.md new file mode 100644 index 00000000..2492f24d --- /dev/null +++ b/node-red/README.md @@ -0,0 +1,83 @@ +# Node-RED + +Flow-based programming for the Internet of Things + +## TL;DR; + +```console +helm repo add billimek https://raw.githubusercontent.com/billimek/helm-repo/master +helm install billimek/node-red +``` + +## Introduction + +This code is adopted from the [official node-red docker image](https://hub.docker.com/r/nodered/node-red-docker/) which runs the [Node-RED application](https://nodered.org/) + + +## Installing the Chart + +To install the chart with the release name `my-release`: + +```console +helm install --name my-release billimek/node-red +``` +## Uninstalling the Chart + +To uninstall/delete the `my-release` deployment: + +```console +helm delete my-release --purge +``` + +The command removes all the Kubernetes components associated with the chart and deletes the release. + +## Configuration + +The following tables lists the configurable parameters of the Sentry chart and their default values. + +| Parameter | Description | Default | +| ------------------------------- | ------------------------------- | ---------------------------------------------------------- | +| `image.repository` | node-red image | `nodered/node-red-docker` | +| `image.tag` | node-red image tag | `0.19.4` | +| `image.pullPolicy` | node-red image pull policy | `IfNotPresent` | +| `flows` | Default flows configuration | `` | +| `nodeOptions` | Node.js runtime arguments | `` | +| `timezone` | Default timezone | `` | +| `service.type` | Kubernetes service type for the GUI | `ClusterIP` | +| `service.port` | Kubernetes port where the GUI is exposed | `1880` | +| `service.nodePort` | Kubernetes nodePort where the GUI is exposed | `` | +| `service.annotations` | Service annotations for the GUI | `{}` | +| `service.labels` | Custom labels | `{}` | +| `service.loadBalancerIP` | Loadbalance IP for the GUI | `{}` | +| `service.loadBalancerSourceRanges` | List of IP CIDRs allowed access to load balancer (if supported) | None +| `service.externalTrafficPolicy` | Set the externalTrafficPolicy in the Service to either Cluster or Local | `Cluster` +| `ingress.enabled` | Enables Ingress | `false` | +| `ingress.annotations` | Ingress annotations | `{}` | +| `ingress.path` | Ingress path | `/` | +| `ingress.hosts` | Ingress accepted hostnames | `chart-example.local` | +| `ingress.tls` | Ingress TLS configuration | `[]` | +| `persistence.enabled` | Use persistent volume to store data | `false` | +| `persistence.size` | Size of persistent volume claim | `5Gi` | +| `persistence.existingClaim` | Use an existing PVC to persist data | `nil` | +| `persistence.storageClass` | Type of persistent volume claim | `-` | +| `persistence.accessModes` | Persistence access modes | `ReadWriteOnce` | +| `resources` | CPU/Memory resource requests/limits | `{}` | +| `nodeSelector` | Node labels for pod assignment | `{}` | +| `tolerations` | Toleration labels for pod assignment | `[]` | +| `affinity` | Affinity settings for pod assignment | `{}` | + +Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example, + +```console +helm install --name my-release \ + --set config.timezone="America/New_York" \ + billimek/node-red +``` + +Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example, + +```console +helm install --name my-release -f values.yaml billimek/node-red +``` + +Read through the [values.yaml](values.yaml) file. It has several commented out suggested values. diff --git a/node-red/templates/NOTES.txt b/node-red/templates/NOTES.txt new file mode 100644 index 00000000..af7c23e6 --- /dev/null +++ b/node-red/templates/NOTES.txt @@ -0,0 +1,19 @@ +1. Get the application URL by running these commands: +{{- if .Values.ingress.enabled }} +{{- range .Values.ingress.hosts }} + http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }} +{{- end }} +{{- else if contains "NodePort" .Values.service.type }} + export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "node-red.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get svc -w {{ include "node-red.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "node-red.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}') + echo http://$SERVICE_IP:{{ .Values.service.port }} +{{- else if contains "ClusterIP" .Values.service.type }} + export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "node-red.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") + echo "Visit http://127.0.0.1:8080 to use your application" + kubectl port-forward $POD_NAME 8080:80 +{{- end }} diff --git a/node-red/templates/_helpers.tpl b/node-red/templates/_helpers.tpl new file mode 100644 index 00000000..9c2178fc --- /dev/null +++ b/node-red/templates/_helpers.tpl @@ -0,0 +1,32 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "node-red.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "node-red.fullname" -}} +{{- if .Values.fullnameOverride -}} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- $name := default .Chart.Name .Values.nameOverride -}} +{{- if contains $name .Release.Name -}} +{{- .Release.Name | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} +{{- end -}} +{{- end -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "node-red.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} diff --git a/node-red/templates/deployment.yaml b/node-red/templates/deployment.yaml new file mode 100644 index 00000000..9c529b75 --- /dev/null +++ b/node-red/templates/deployment.yaml @@ -0,0 +1,69 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "node-red.fullname" . }} + labels: + app.kubernetes.io/name: {{ include "node-red.name" . }} + helm.sh/chart: {{ include "node-red.chart" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/managed-by: {{ .Release.Service }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + app.kubernetes.io/name: {{ include "node-red.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + template: + metadata: + labels: + app.kubernetes.io/name: {{ include "node-red.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + spec: + containers: + - name: {{ .Chart.Name }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + ports: + - name: http + containerPort: 1880 + protocol: TCP + livenessProbe: + httpGet: + path: / + port: http + readinessProbe: + httpGet: + path: / + port: http + env: + - name: FLOWS + value: "{{ .Values.flows }}" + - name: NODE_OPTIONS + value: "{{ .Values.nodeOptions }}" + - name: TZ + value: "{{ .Values.timezone }}" + volumeMounts: + - name: data + mountPath: /data + resources: +{{ toYaml .Values.resources | indent 12 }} + volumes: + - name: data + {{- if .Values.persistence.enabled }} + persistentVolumeClaim: + claimName: {{ if .Values.persistence.existingClaim }}{{ .Values.persistence.existingClaim }}{{- else }}{{ template "node-red.fullname" . }}{{- end }} + {{- else }} + emptyDir: {} + {{ end }} + {{- with .Values.nodeSelector }} + nodeSelector: +{{ toYaml . | indent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: +{{ toYaml . | indent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: +{{ toYaml . | indent 8 }} + {{- end }} diff --git a/node-red/templates/ingress.yaml b/node-red/templates/ingress.yaml new file mode 100644 index 00000000..d94f4a76 --- /dev/null +++ b/node-red/templates/ingress.yaml @@ -0,0 +1,38 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "node-red.fullname" . -}} +{{- $ingressPath := .Values.ingress.path -}} +apiVersion: extensions/v1beta1 +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + app.kubernetes.io/name: {{ include "node-red.name" . }} + helm.sh/chart: {{ include "node-red.chart" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- with .Values.ingress.annotations }} + annotations: +{{ toYaml . | indent 4 }} +{{- end }} +spec: +{{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ . | quote }} + http: + paths: + - path: {{ $ingressPath }} + backend: + serviceName: {{ $fullName }} + servicePort: http + {{- end }} +{{- end }} diff --git a/node-red/templates/pvc.yaml b/node-red/templates/pvc.yaml new file mode 100644 index 00000000..4756e837 --- /dev/null +++ b/node-red/templates/pvc.yaml @@ -0,0 +1,24 @@ +{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }} +kind: PersistentVolumeClaim +apiVersion: v1 +metadata: + name: {{ template "node-red.fullname" . }} + labels: + app: {{ template "node-red.fullname" . }} + chart: "{{ .Chart.Name }}-{{ .Chart.Version }}" + release: "{{ .Release.Name }}" + heritage: "{{ .Release.Service }}" +spec: + accessModes: + - {{ .Values.persistence.accessMode | quote }} + resources: + requests: + storage: {{ .Values.persistence.size | quote }} +{{- if .Values.persistence.storageClass }} +{{- if (eq "-" .Values.persistence.storageClass) }} + storageClassName: "" +{{- else }} + storageClassName: "{{ .Values.persistence.storageClass }}" +{{- end }} +{{- end }} +{{- end -}} \ No newline at end of file diff --git a/node-red/templates/service.yaml b/node-red/templates/service.yaml new file mode 100644 index 00000000..3cc6ae82 --- /dev/null +++ b/node-red/templates/service.yaml @@ -0,0 +1,38 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "node-red.fullname" . }} + labels: + app.kubernetes.io/name: {{ include "node-red.name" . }} + helm.sh/chart: {{ include "node-red.chart" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/managed-by: {{ .Release.Service }} +spec: +{{- if (or (eq .Values.service.type "ClusterIP") (empty .Values.service.type)) }} + type: ClusterIP +{{- else if eq .Values.service.type "LoadBalancer" }} + type: {{ .Values.service.type }} + {{- if .Values.service.loadBalancerIP }} + loadBalancerIP: {{ .Values.service.loadBalancerIP }} + {{- end }} + {{- if .Values.service.loadBalancerSourceRanges }} + loadBalancerSourceRanges: +{{ toYaml .Values.service.loadBalancerSourceRanges | indent 4 }} + {{- end -}} +{{- else }} + type: {{ .Values.service.type }} +{{- end }} + {{- if .Values.service.externalTrafficPolicy }} + externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy }} + {{- end }} + ports: + - port: {{ .Values.service.port }} + targetPort: http + protocol: TCP + name: http +{{ if (and (eq .Values.service.type "NodePort") (not (empty .Values.service.nodePort))) }} + nodePort: {{.Values.service.nodePort}} +{{ end }} + selector: + app.kubernetes.io/name: {{ include "node-red.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} \ No newline at end of file diff --git a/node-red/values.yaml b/node-red/values.yaml new file mode 100644 index 00000000..8c901f56 --- /dev/null +++ b/node-red/values.yaml @@ -0,0 +1,86 @@ +# Default values for node-red. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: nodered/node-red-docker + tag: 0.19.4 + pullPolicy: IfNotPresent + +nameOverride: "" +fullnameOverride: "" + +# flows: "" +# nodeOptions: "" +# timezone: "" + +service: + type: ClusterIP + port: 1880 + ## Specify the nodePort value for the LoadBalancer and NodePort service types. + ## ref: https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport + ## + # nodePort: + ## Provide any additional annotations which may be required. This can be used to + ## set the LoadBalancer service type to internal only. + ## ref: https://kubernetes.io/docs/concepts/services-networking/service/#internal-load-balancer + ## + annotations: {} + labels: {} + ## Use loadBalancerIP to request a specific static IP, + ## otherwise leave blank + ## + loadBalancerIP: + # loadBalancerSourceRanges: [] + ## Set the externalTrafficPolicy in the Service to either Cluster or Local + # externalTrafficPolicy: Cluster + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + path: / + hosts: + - chart-example.local + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +persistence: + enabled: false + ## node-red data Persistent Volume Storage Class + ## If defined, storageClassName: + ## If set to "-", storageClassName: "", which disables dynamic provisioning + ## If undefined (the default) or set to null, no storageClassName spec is + ## set, choosing the default provisioner. (gp2 on AWS, standard on + ## GKE, AWS & OpenStack) + ## + # storageClass: "-" + ## + ## If you want to reuse an existing claim, you can pass the name of the PVC using + ## the existingClaim variable + # existingClaim: your-claim + accessMode: ReadWriteOnce + size: 5Gi + +resources: {} + # We usually recommend not to specify default resources and to leave this as a conscious + # choice for the user. This also increases chances charts run on environments with little + # resources, such as Minikube. If you do want to specify resources, uncomment the following + # lines, adjust them as necessary, and remove the curly braces after 'resources:'. + # limits: + # cpu: 100m + # memory: 128Mi + # requests: + # cpu: 100m + # memory: 128Mi + +nodeSelector: {} + +tolerations: [] + +affinity: {}