Add n8n chart

th0th · Oct 13, 2024 · ecf8322 · ecf8322
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diff --git a/.gitignore b/.gitignore
@@ -1 +1,2 @@
+/.idea/GOHCache.xml
 .DS_Store
diff --git a/.idea/GOHCache.xml b/.idea/GOHCache.xml
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
diff --git a/charts/n8n/Chart.yaml b/charts/n8n/Chart.yaml
@@ -0,0 +1,6 @@
+apiVersion: v2
+appVersion: "1.62.5"
+name: n8n
+description: An extendable workflow automation tool.
+type: application
+version: 0.1.0
diff --git a/charts/n8n/README.md b/charts/n8n/README.md
@@ -0,0 +1,44 @@
+# n8n
+
+![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 1.62.5](https://img.shields.io/badge/AppVersion-1.62.5-informational?style=flat-square)
+
+An extendable workflow automation tool.
+
+## Install
+
+```shell
+$ helm upgrade n8n n8n \
+  --create-namespace \
+  --install \
+  --namespace n8n \
+  --repo https://th0th.github.io/helm-charts \
+  --values values.yaml \
+  --version 0.1.0
+```
+
+## Uninstall
+
+```shell
+$ helm uninstall --namespace n8n n8n
+```
+
+## Values
+
+| Key                       | Type   | Default                     | Description                                                                                                              |
+|---------------------------|--------|-----------------------------|--------------------------------------------------------------------------------------------------------------------------|
+| encryptionKey             | string | `""`                        | n8n encryption key (see [docs](https://docs.n8n.io/hosting/configuration/environment-variables/deployment/))             |
+| env                       | object | `{}`                        | environment variables to be passed to n8n (see [docs](https://docs.n8n.io/hosting/configuration/environment-variables/)) |
+| image.pullPolicy          | string | `"IfNotPresent"`            | n8n image pull policy                                                                                                    |
+| image.repository          | string | `"docker.n8n.io/n8nio/n8n"` | n8n image repository                                                                                                     |
+| image.tag                 | string | `"1.62.5"`                  | n8n image tag                                                                                                            |
+| ingress.annotations       | object | `{}`                        | the ingress annotations                                                                                                  |
+| ingress.enabled           | bool   | `false`                     | enable the ingress                                                                                                       |
+| ingress.hosts             | list   | `[]`                        | the ingress host                                                                                                         |
+| postgres.database         | string | `"n8n"`                     | the postgres database name                                                                                               |
+| postgres.enabled          | bool   | `true`                      | enable the postgres statefulset                                                                                          |
+| postgres.image.repository | string | `"postgres"`                | the postgres image repository                                                                                            |
+| postgres.image.tag        | string | `"17-alpine"`               | the postgres image tag                                                                                                   |
+| postgres.password         | string | `"n8n"`                     | the postgres password                                                                                                    |
+| postgres.resources        | object | `{}`                        | resources configuration for the postgres statefulset                                                                     |
+| postgres.user             | string | `"n8n"`                     | the postgres user                                                                                                        |
+| replicas                  | int    | `1`                         | number of n8n deployment replicas                                                                                        |                                                                                                         |
diff --git a/charts/n8n/templates/_helpers.tpl b/charts/n8n/templates/_helpers.tpl
@@ -0,0 +1,42 @@
+{{- define "n8n.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- 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 }}
+
+{{- define "n8n.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- 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 }}
+
+{{- define "n8n.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "n8n.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{- define "n8n.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "n8n.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
diff --git a/charts/n8n/templates/configmap-n8n.yaml b/charts/n8n/templates/configmap-n8n.yaml
@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "n8n.fullname" . }}-n8n
+  labels:
+    {{- include "n8n.labels" . | nindent 4 }}
+data:
+  {{ .Values.env | toYaml | nindent 2 }}
diff --git a/charts/n8n/templates/configmap-postgres.yaml b/charts/n8n/templates/configmap-postgres.yaml
@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "n8n.fullname" . }}-postgres
+  labels:
+    {{- include "n8n.labels" . | nindent 4 }}
+data:
+  DATABASE: "{{ .Values.postgres.database}}"
+  HOST: "{{ include "n8n.fullname" . }}-postgres"
+  PORT: "5432"