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Alexander Weber
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Adding HELM charts for installation in Kubernetes (ToolJet#2393)
* + added helm chart config * + db seed config * fixed (placeholder) HPA values to at least make sense * made service type configurable in values.yaml
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‎deploy/helm/.gitignore

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charts

‎deploy/helm/Chart.lock

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dependencies:
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- name: postgresql
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repository: https://charts.bitnami.com/bitnami
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version: 11.1.3
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digest: sha256:e743082cbe5e81348abab399e199150a279f4b6b186e9af70f863cc95d22a1c5
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generated: "2022-03-01T14:35:37.761977+01:00"

‎deploy/helm/Chart.yaml

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apiVersion: v2
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name: tooljet
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description: none
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type: application
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version: 1.2.2
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appVersion: "v1.2.2"
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dependencies:
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- name: postgresql
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version: "11.1.3"
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repository: "https://charts.bitnami.com/bitnami"

‎deploy/helm/README.md

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# Helm installation
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This chart can be used to install ToolJet in a Kubernetes Cluster via [Helm v3](https://helm.sh).\
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This setup is very rudimentary and comes with an included PostgreSQL server out of the box.
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## Installation
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To install, follow these steps:
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1) Clone the repo and `cd` into this directory
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2) Run `helm dependency update`
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3) Recommended but optional:\
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Patch the values in `values.yaml` file (usernames & passwords, persistence, ...).
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4) Run `helm install -n $NAMESPACE --create-namespace $RELEASE .`\
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You need to replace these variables with your configuration values.
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5) The database won't be seeded yet. For that, shell into the `tooljet` pod and run `npm run db:seed` in the `/app` folder. You can now login with user `[email protected]` and password `password`.

‎deploy/helm/templates/tooljet/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: tooljet
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spec:
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selector:
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matchLabels:
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app: tooljet
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template:
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metadata:
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labels:
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app: tooljet
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spec:
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containers:
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- name: tooljet
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image: "tooljet/tooljet-ce:{{ .Chart.AppVersion }}"
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imagePullPolicy: IfNotPresent
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args: ["npm", "run", "start:prod"]
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ports:
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- containerPort: 3000
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resources:
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limits:
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memory: {{ .Values.apps.tooljet.deployment.resources.limits.memory }}
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cpu: {{ .Values.apps.tooljet.deployment.resources.limits.cpu }}
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requests:
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memory: {{ .Values.apps.tooljet.deployment.resources.requests.memory }}
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cpu: {{ .Values.apps.tooljet.deployment.resources.requests.cpu }}
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readinessProbe:
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httpGet:
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port: 3000
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path: /api/health
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successThreshold: 1
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initialDelaySeconds: 10
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periodSeconds: 5
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failureThreshold: 6
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env:
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- name: TOOLJET_HOST
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value: "{{ .Values.apps.tooljet.service.host }}"
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- name: PG_HOST
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value: "{{ .Release.Name }}-postgresql"
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- name: PG_USER
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valueFrom:
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secretKeyRef:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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key: pg_user
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- name: PG_PASS
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valueFrom:
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secretKeyRef:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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key: pg_password
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- name: PG_DB
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valueFrom:
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secretKeyRef:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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key: pg_db
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- name: LOCKBOX_MASTER_KEY
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valueFrom:
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secretKeyRef:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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key: lockbox_key
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- name: SECRET_KEY_BASE
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valueFrom:
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secretKeyRef:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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key: secret_key_base

‎deploy/helm/templates/tooljet/hpa.yaml

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apiVersion: autoscaling/v2beta1
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kind: HorizontalPodAutoscaler
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metadata:
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name: tooljet
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: tooljet
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minReplicas: {{ .Values.apps.tooljet.hpa.min }}
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maxReplicas: {{ .Values.apps.tooljet.hpa.max }}
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metrics:
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- type: Resource
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resource:
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name: cpu
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targetAverageValue: {{ .Values.apps.tooljet.hpa.threshhold.cpu }}
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- type: Resource
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resource:
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name: memory
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targetAverageValue: {{ .Values.apps.tooljet.hpa.threshhold.ram }}

‎deploy/helm/templates/tooljet/secret.yaml

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apiVersion: v1
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kind: Secret
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metadata:
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name: "{{ .Values.apps.tooljet.secret.name }}"
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type: Opaque
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data:
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pg_user: {{ .Values.apps.tooljet.secret.data.pg_user | b64enc | quote }}
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pg_password: {{ .Values.apps.tooljet.secret.data.pg_password | b64enc | quote }}
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pg_db: {{ .Values.apps.tooljet.secret.data.pg_db | b64enc | quote }}
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lockbox_key: {{ .Values.apps.tooljet.secret.data.lockbox_key | b64enc | quote }}
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secret_key_base: {{ .Values.apps.tooljet.secret.data.secret_key_base | b64enc | quote }}

‎deploy/helm/templates/tooljet/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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name: tooljet
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spec:
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type: {{ .Values.apps.tooljet.service.type }}
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ports:
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- port: 3000
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protocol: TCP
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targetPort: 3000
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selector:
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app: tooljet

‎deploy/helm/values.yaml

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apps:
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tooljet:
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service:
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type: ClusterIP
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host: "http://localhost"
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deployment:
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resources:
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requests:
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memory: 1024Mi
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cpu: 1
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limits:
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memory: 2048Mi
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cpu: 2
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hpa:
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min: 1
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max: 1
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threshhold:
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cpu: 0.75
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ram: 768Mi
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secret:
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name: tooljet-server
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data:
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pg_user: "postgresql"
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pg_password: "postgresql"
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pg_db: "tooljet"
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lockbox_key: "0123456789ABCDEF"
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secret_key_base: "0123456789ABCDEF"
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postgresql:
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enabled: true
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postgresqlExtendedConf:
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maxConnections: 1024
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replication:
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enabled: false
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auth:
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# postgresPassword: "postgres"
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username: "postgresql"
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password: "postgresql"
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primary:
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persistence:
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enabled: true
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size: 8Gi
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storageClass: ""

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