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This commit is contained in:
Konstantin Grachev
2022-11-15 21:04:45 +03:00
commit fd88e26462
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22
templates/NOTES.txt Normal file
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1. Get the application URL by running these commands:
{{- if .Values.n8n.ingress.enabled }}
{{- range $host := .Values.n8n.ingress.hosts }}
{{- range .paths }}
http{{ if $.Values.n8n.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
{{- end }}
{{- end }}
{{- else if contains "NodePort" .Values.n8n.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "n8n.fullname" . }})
export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
echo http://$NODE_IP:$NODE_PORT
{{- else if contains "LoadBalancer" .Values.n8n.service.type }}
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "n8n.fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "n8n.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
echo http://$SERVICE_IP:{{ .Values.n8n.service.port }}
{{- else if contains "ClusterIP" .Values.n8n.service.type }}
export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "n8n.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
{{- end }}

51
templates/_helpers.tpl Normal file
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{{/*
Expand the name of the chart.
*/}}
{{- define "n8n.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 "n8n.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 "n8n.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
{{- end }}
{{/*
Common labels
*/}}
{{- define "n8n.labels" -}}
helm.sh/chart: {{ include "n8n.chart" . }}
{{ include "n8n.selectorLabels" . }}
{{- if .Chart.AppVersion }}
app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
{{- end }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end }}
{{/*
Selector labels
*/}}
{{- define "n8n.selectorLabels" -}}
app.kubernetes.io/name: {{ include "n8n.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}

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templates/config.yaml Normal file
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{{- if not .Values.existingSecret }}
apiVersion: v1
kind: Secret
metadata:
name: {{ include "n8n.fullname" . }}
labels:
{{- include "n8n.labels" . | nindent 4 }}
type: Opaque
data:
NODE_ENV: {{ .Values.config.node_env | quote }}
WEBHOOK_URL: {{ .Values.config.webhook_url | quote }}
EXECUTIONS_PROCESS: {{ .Values.config.executions.process | quote }}
GENERIC_TIMEZONE: {{ .Values.config.timezone | quote }}
EXECUTIONS_DATA_PRUNE: {{ .Values.config.executions.data.prune | quote }}
EXECUTIONS_DATA_MAX_AGE: {{ .Values.config.executions.data.max_age | quote }}
N8N_DIAGNOSTICS_ENABLED: {{ .Values.config.executions.data.max_age | quote }}
NODE_FUNCTION_ALLOW_BUILTIN: {{ .Values.config.node.function.allow.builtin | quote }}
NODE_FUNCTION_ALLOW_EXTERNAL: {{ .Values.config.node.function.allow.external | quote }}
{{- end }}

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templates/n8n-deployment.yaml Normal file
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "n8n.fullname" . }}
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
replicas: 1
selector:
matchLabels:
{{- include "n8n.selectorLabels" . | nindent 6 }}
template:
metadata:
{{- with .Values.n8n.podAnnotations }}
annotations:
{{- toYaml . | nindent 8 }}
{{- end }}
labels:
{{- include "n8n.selectorLabels" . | nindent 8 }}
spec:
{{- with .Values.n8n.image.pullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
securityContext:
{{- toYaml .Values.n8n.podSecurityContext | nindent 8 }}
containers:
- name: {{ .Chart.Name }}
securityContext:
{{- toYaml .Values.n8n.securityContext | nindent 12 }}
image: "{{ .Values.n8n.image.registry }}/{{ .Values.n8n.image.repository }}:{{ .Values.n8n.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.n8n.image.pullPolicy }}
envFrom:
- configMapRef:
- name: {{ include "n8n.fullname" . }}
envFrom:
{{- if .Values.n8n.extraEnvVarsSecret }}
- secretRef:
name: {{ .Values.n8n.extraEnvVarsSecret }}
{{- end }}
ports:
- name: http
containerPort: 5678
protocol: TCP
livenessProbe:
httpGet:
path: /healthz
port: http
readinessProbe:
httpGet:
path: /healthz
port: http
resources:
{{- toYaml .Values.n8n.resources | nindent 12 }}
{{- with .Values.n8n.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.n8n.affinity }}
affinity:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.n8n.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}

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templates/n8n-ingress.yaml Normal file
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{{- if .Values.n8n.ingress.enabled -}}
{{- $fullName := include "n8n.fullname" . -}}
{{- $svcPort := .Values.n8n.service.port -}}
{{- if and .Values.n8n.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
{{- if not (hasKey .Values.n8n.ingress.annotations "kubernetes.io/ingress.class") }}
{{- $_ := set .Values.n8n.ingress.annotations "kubernetes.io/ingress.class" .Values.n8n.ingress.className}}
{{- end }}
{{- end }}
{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1
{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1beta1
{{- else -}}
apiVersion: extensions/v1beta1
{{- end }}
kind: Ingress
metadata:
name: {{ $fullName }}
labels:
{{- include "n8n.labels" . | nindent 4 }}
{{- with .Values.n8n.ingress.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if and .Values.n8n.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
ingressClassName: {{ .Values.n8n.ingress.className }}
{{- end }}
{{- if .Values.n8n.ingress.tls }}
tls:
{{- range .Values.n8n.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.n8n.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
pathType: {{ default "ImplementationSpecific" .pathType }}
backend:
{{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
service:
name: {{ $fullName }}
port:
number: {{ $svcPort }}
{{- else }}
serviceName: {{ $fullName }}
servicePort: {{ $svcPort }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}

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templates/n8n-service.yaml Normal file
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apiVersion: v1
kind: Service
metadata:
name: {{ include "n8n.fullname" . }}
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
type: {{ .Values.n8n.service.type }}
ports:
- port: {{ .Values.n8n.service.port }}
targetPort: http
protocol: TCP
name: http
selector:
{{- include "n8n.selectorLabels" . | nindent 4 }}

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{{- if not .Values.existingSecret }}
apiVersion: v1
kind: Secret
metadata:
name: {{ include "n8n.fullname" . }}
labels:
{{- include "n8n.labels" . | nindent 4 }}
type: Opaque
data:
{{- if .Values.config.encryption_key }}
N8N_ENCRYPTION_KEY: {{ default "" .Values.config.encryption_key | b64enc | quote }}
{{- else }}
N8N_ENCRYPTION_KEY: {{ randAlphaNum 10 | b64enc | quote }}
{{- end }}
{{- if .Values.config.db_type }}
DB_TYPE: {{ .Values.config.db_type | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.database }}
DB_POSTGRESDB_DATABASE: {{ .Values.config.postgres.database | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.host }}
DB_POSTGRESDB_HOST: {{ .Values.config.postgres.host | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.port }}
DB_POSTGRESDB_PORT: {{ .Values.config.postgres.port | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.user }}
DB_POSTGRESDB_USER: {{ .Values.config.postgres.user | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.schema }}
DB_POSTGRESDB_SCHEMA: {{ .Values.config.postgres.schema | b64enc | quote }}
{{- end }}
{{- if .Values.config.postgres.password }}
DB_POSTGRESDB_PASSWORD: {{ .Values.config.postgres.password | b64enc | quote }}
{{- end }}
{{- end }}

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apiVersion: v1
kind: Pod
metadata:
name: "{{ include "n8n.fullname" . }}-test-connection"
labels:
{{- include "n8n.labels" . | nindent 4 }}
annotations:
"helm.sh/hook": test
spec:
containers:
- name: wget
image: busybox
command: [ 'wget' ]
args: [ '{{ include "n8n.fullname" . }}:{{ .Values.n8n.service.port }}' ]
restartPolicy: Never

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templates/webhook-deployment.yaml Normal file
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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "n8n.fullname" . }}-webhook
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
{{- if not .Values.webhook.autoscaling.enabled }}
replicas: {{ .Values.webhook.replicaCount }}
{{- end }}
selector:
matchLabels:
{{- include "n8n.selectorLabels" . | nindent 6 }}
template:
metadata:
{{- with .Values.webhook.podAnnotations }}
annotations:
{{- toYaml . | nindent 8 }}
{{- end }}
labels:
{{- include "n8n.selectorLabels" . | nindent 8 }}
spec:
{{- with .Values.webhook.image.pullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
securityContext:
{{- toYaml .Values.webhook.podSecurityContext | nindent 8 }}
containers:
- name: {{ .Chart.Name }}
securityContext:
{{- toYaml .Values.webhook.securityContext | nindent 12 }}
image: "{{ .Values.webhook.image.registry }}/{{ .Values.webhook.image.repository }}:{{ .Values.webhook.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.webhook.image.pullPolicy }}
envFrom:
- configMapRef:
- name: {{ include "n8n.fullname" . }}
envFrom:
{{- if .Values.webhook.extraEnvVarsSecret }}
- secretRef:
name: {{ .Values.webhook.extraEnvVarsSecret }}
{{- end }}
ports:
- name: http
containerPort: 5678
protocol: TCP
livenessProbe:
httpGet:
path: /healthz
port: http
readinessProbe:
httpGet:
path: /healthz
port: http
resources:
{{- toYaml .Values.webhook.resources | nindent 12 }}
{{- with .Values.webhook.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.webhook.affinity }}
affinity:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.webhook.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}

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{{- if .Values.webhook.ingress.enabled -}}
{{- $fullName := include "n8n.fullname" . -}}
{{- $svcPort := .Values.webhook.service.port -}}
{{- if and .Values.webhook.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
{{- if not (hasKey .Values.webhook.ingress.annotations "kubernetes.io/ingress.class") }}
{{- $_ := set .Values.webhook.ingress.annotations "kubernetes.io/ingress.class" .Values.webhook.ingress.className}}
{{- end }}
{{- end }}
{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1
{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1beta1
{{- else -}}
apiVersion: extensions/v1beta1
{{- end }}
kind: Ingress
metadata:
name: {{ $fullName }}-webhook
labels:
{{- include "n8n.labels" . | nindent 4 }}
{{- with .Values.webhook.ingress.annotations }}
annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if and .Values.webhook.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
ingressClassName: {{ .Values.webhook.ingress.className }}
{{- end }}
{{- if .Values.webhook.ingress.tls }}
tls:
{{- range .Values.webhook.ingress.tls }}
- hosts:
{{- range .hosts }}
- {{ . | quote }}
{{- end }}
secretName: {{ .secretName }}
{{- end }}
{{- end }}
rules:
{{- range .Values.webhook.ingress.hosts }}
- host: {{ .host | quote }}
http:
paths:
{{- range .paths }}
- path: {{ .path }}
pathType: {{ default "ImplementationSpecific" .pathType }}
backend:
{{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
service:
name: {{ $fullName }}
port:
number: {{ $svcPort }}
{{- else }}
serviceName: {{ $fullName }}
servicePort: {{ $svcPort }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}

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apiVersion: v1
kind: Service
metadata:
name: {{ include "n8n.fullname" . }}-webhook
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
type: {{ .Values.webhook.service.type }}
ports:
- port: {{ .Values.webhook.service.port }}
targetPort: http
protocol: TCP
name: http
selector:
{{- include "n8n.selectorLabels" . | nindent 4 }}

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apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ include "n8n.fullname" . }}-worker
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
{{- if not .Values.worker.autoscaling.enabled }}
replicas: {{ .Values.worker.replicaCount }}
{{- end }}
selector:
matchLabels:
{{- include "n8n.selectorLabels" . | nindent 6 }}
template:
metadata:
{{- with .Values.worker.podAnnotations }}
annotations:
{{- toYaml . | nindent 8 }}
{{- end }}
labels:
{{- include "n8n.selectorLabels" . | nindent 8 }}
spec:
{{- with .Values.worker.image.pullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
securityContext:
{{- toYaml .Values.worker.podSecurityContext | nindent 8 }}
containers:
- name: {{ .Chart.Name }}
securityContext:
{{- toYaml .Values.worker.securityContext | nindent 12 }}
image: "{{ .Values.worker.image.registry }}/{{ .Values.worker.image.repository }}:{{ .Values.worker.image.tag | default .Chart.AppVersion }}"
imagePullPolicy: {{ .Values.worker.image.pullPolicy }}
envFrom:
- configMapRef:
- name: {{ include "n8n.fullname" . }}
envFrom:
{{- if .Values.worker.extraEnvVarsSecret }}
- secretRef:
name: {{ .Values.worker.extraEnvVarsSecret }}
{{- end }}
resources:
{{- toYaml .Values.worker.resources | nindent 12 }}
{{- with .Values.worker.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.worker.affinity }}
affinity:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.worker.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}

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{{- if .Values.worker.autoscaling.enabled }}
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
name: {{ include "n8n.fullname" . }}-worker
labels:
{{- include "n8n.labels" . | nindent 4 }}
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ include "n8n.fullname" . }}
minReplicas: {{ .Values.worker.autoscaling.minReplicas }}
maxReplicas: {{ .Values.worker.autoscaling.maxReplicas }}
metrics:
{{- if .Values.worker.autoscaling.targetCPUUtilizationPercentage }}
- type: Resource
resource:
name: cpu
targetAverageUtilization: {{ .Values.worker.autoscaling.targetCPUUtilizationPercentage }}
{{- end }}
{{- if .Values.worker.autoscaling.targetMemoryUtilizationPercentage }}
- type: Resource
resource:
name: memory
targetAverageUtilization: {{ .Values.worker.autoscaling.targetMemoryUtilizationPercentage }}
{{- end }}
{{- end }}