Updating n8n to latest version
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Moritz Graf
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@ -743,20 +743,6 @@ To verify installation was correcet, use the following command:
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helm get manifest mop-n8n -n n8n | less
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```
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Apply the garth mcp server:
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```sh
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kubectl apply -f n8n/garmin-mcp.yaml
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```
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Generate token:
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```sh
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uvx garth login
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#login with user+pw+token
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#take output, put in in garth_tkomen.txt
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kubectl create secret generic garth-token-secret --from-file=GARTH_TOKEN=./garth_token.txt -n n8n
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```
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## n8n-fabi
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@ -0,0 +1,55 @@
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# n8n Workload
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> [!NOTE]
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> This directory contains the configuration and deployment manifests for **n8n**, a workflow automation tool, deployed in the `n8n` namespace.
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## Workload Information
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* **Namespace**: `n8n`
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* **Deployment**: `mop-n8n` (Managed via Helm)
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* **Database**: PostgreSQL managed by CloudNativePG operator with cluster name `db`.
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* **Ingress**: `n8n.moritzgraf.de` (NGINX Ingress, Let's Encrypt certificates).
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### Key Files
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* `n8n.secret.yml`: The Helm values file containing configurations, secrets, DB connections, and Ingress settings. Use git-crypt to unlock before editing.
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## Maintenance Instructions
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> [!IMPORTANT]
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> **Update Strategy**: Never update two things at the same time! Update only one component at a time (e.g., the Helm chart OR the n8n application image). After updating one component, automatically verify its functionality and **always ask the human to verify functionality before continuing** to the next update.
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### 1. How to Redeploy/Apply Changes to n8n
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When making changes to `n8n.secret.yml` (e.g., updating configuration or resource limits), you need to re-apply the Helm chart from the `k8s` directory:
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```bash
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# Run this from the infrapuzzle/k8s directory
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cd ../k8s # if you are in n8n
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helm upgrade --cleanup-on-fail --install mop-n8n \
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oci://8gears.container-registry.com/library/n8n \
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--namespace n8n --values n8n/n8n.secret.yml --version 2.0.1
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```
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*(Note: The `--version 2.0.1` flag specifies the Helm Chart version. See Section 2 for updating the chart.)*
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To verify the installation:
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```bash
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helm get manifest mop-n8n -n n8n | less
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```
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### 2. How to Update the n8n Helm Chart Version
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1. Check the [8gears n8n-helm-chart Releases page](https://github.com/8gears/n8n-helm-chart/releases) for the latest chart version.
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2. When running the `helm upgrade` command, change the `--version` argument (e.g., `--version 2.0.1`) to the latest version.
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3. Verify the deployment functionality automatically and with the human user before proceeding.
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### 3. How to Update the n8n Application Version
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1. Check the [n8n GitHub Releases page](https://github.com/n8n-io/n8n/releases) for the latest version tag (e.g., `2.13.4`).
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2. Update the `tag:` value in `n8n/n8n.secret.yml`.
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3. Re-run the `helm upgrade` command mentioned above.
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4. Verify the deployment functionality automatically and with the human user before proceeding.
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@ -1,90 +0,0 @@
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# --- 1. Secret to hold your Garmin Connect token ---
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# You must create this secret before applying the rest of the manifest.
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# Replace 'your_base64_encoded_token_here' with your actual token encoded in Base64.
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# To encode your token, run: echo -n 'your_token_from_login' | base64
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# apiVersion: v1
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# kind: Secret
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# metadata:
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# name: garth-mcp-secret
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# namespace: default
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# type: Opaque
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# data:
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# # This key MUST be GARTH_TOKEN to match the application's environment variable
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# GARTH_TOKEN: your_base64_encoded_token_here
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---
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# 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: garth-mcp-server
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namespace: n8n
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labels:
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app: garth-mcp-server
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: garth-mcp-server
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template:
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metadata:
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labels:
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app: garth-mcp-server
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spec:
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containers:
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- name: garth-mcp-server
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# Use a Python image version >= 3.13 as requested.
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image: python:3.13-slim
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resources:
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requests:
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memory: "64Mi"
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cpu: "100m"
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limits:
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memory: "256Mi"
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cpu: "500m"
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# This command now installs dependencies and directly executes the mounted script.
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command: ["/bin/sh", "-c"]
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args: [
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"pip install --no-cache-dir --upgrade pip && \
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pip install --no-cache-dir uv mcp-proxy && \
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echo '--- Setup complete, starting server ---' && \
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mcp-proxy --host=0.0.0.0 --port=8080 --pass-environment uvx garth-mcp-server"
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]
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ports:
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- containerPort: 8080
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name: http
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# Inject the Garmin token securely from the Kubernetes Secret.
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envFrom:
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- secretRef:
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name: garth-token-secret
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# # Health probes for Kubernetes to manage the pod's lifecycle.
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# livenessProbe:
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# tcpSocket:
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# port: 8080
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# initialDelaySeconds: 15
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# periodSeconds: 20
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# readinessProbe:
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# tcpSocket:
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# port: 8080
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# initialDelaySeconds: 60
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# periodSeconds: 10
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---
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# --- 3. Service to expose the Deployment ---
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# This creates a stable internal endpoint for the server.
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apiVersion: v1
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kind: Service
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metadata:
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name: garth-mcp-service
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namespace: n8n
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spec:
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selector:
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app: garth-mcp-server
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ports:
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- name: http
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protocol: TCP
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# The port the service will be available on within the cluster
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port: 80
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# The port on the container that the service will forward traffic to
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targetPort: 8080
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# ClusterIP is the default, but we're explicit here.
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# This service is only reachable from within the Kubernetes cluster.
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type: ClusterIP
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@ -1,7 +1,7 @@
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#small deployment with nodeport for local testing or small deployments
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image:
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repository: n8nio/n8n
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tag: 2.9.1
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tag: 2.13.4
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pullPolicy: Always
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# Overrides the image tag whose default is the chart appVersion.
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#tag: "stable"
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