diff --git a/nodered-mcp/Chart.yaml b/nodered-mcp/Chart.yaml new file mode 100644 index 0000000..8c3de0a --- /dev/null +++ b/nodered-mcp/Chart.yaml @@ -0,0 +1,9 @@ +apiVersion: v2 +name: nodered-mcp +description: MCP server exposing a Node-RED instance's admin API as agent tools (fgjcarlos/nodered-mcp) +type: application +version: 0.1.0 +appVersion: "0.7.2" +annotations: + version-source: github-release:fgjcarlos/nodered-mcp + version-pattern: "s|^v||" diff --git a/nodered-mcp/templates/deployment.yaml b/nodered-mcp/templates/deployment.yaml new file mode 100644 index 0000000..e86f2bb --- /dev/null +++ b/nodered-mcp/templates/deployment.yaml @@ -0,0 +1,80 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ .Release.Name }} + labels: + app.kubernetes.io/name: {{ .Chart.Name }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} + app.kubernetes.io/component: mcp + annotations: + version-source: {{ index .Chart.Annotations "version-source" }} + version-pattern: {{ index .Chart.Annotations "version-pattern" | quote }} +spec: + replicas: 1 + strategy: + type: Recreate + selector: + matchLabels: + app: {{ .Release.Name }} + template: + metadata: + labels: + app: {{ .Release.Name }} + spec: + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + containers: + - name: {{ .Chart.Name }} + image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + ports: + - containerPort: {{ .Values.port }} + name: http + protocol: TCP + env: + - name: NODERED_URL + value: {{ required "noderedURL is required" .Values.noderedURL | quote }} + - name: MCP_READ_ONLY + value: {{ .Values.readOnly | quote }} + - name: MCP_HTTP_TOKEN + valueFrom: + secretKeyRef: + name: {{ required "existingSecret is required" .Values.existingSecret }} + key: {{ .Values.tokenKey }} + {{- range $key, $value := .Values.env }} + - name: {{ $key }} + value: {{ $value | quote }} + {{- end }} + {{- range .Values.secretEnvKeys }} + - name: {{ .envName }} + valueFrom: + secretKeyRef: + name: {{ $.Values.existingSecret }} + key: {{ .secretKey }} + {{- end }} + # /mcp answers only to authenticated POSTs, so an HTTP probe there + # would read as failure. Check the listener itself instead. + livenessProbe: + tcpSocket: + port: http + initialDelaySeconds: 20 + periodSeconds: 15 + failureThreshold: 3 + readinessProbe: + tcpSocket: + port: http + initialDelaySeconds: 5 + periodSeconds: 10 + resources: + {{- toYaml .Values.resources | nindent 12 }} diff --git a/nodered-mcp/templates/ingress.yaml b/nodered-mcp/templates/ingress.yaml new file mode 100644 index 0000000..9eca732 --- /dev/null +++ b/nodered-mcp/templates/ingress.yaml @@ -0,0 +1,27 @@ +{{- range $name, $config := .Values.ingresses }} +--- +apiVersion: networking.k8s.io/v1 +kind: Ingress +metadata: + name: {{ $.Release.Name }}-{{ $name }} + {{- with $config.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: + rules: + - host: {{ $config.host }} + http: + paths: + - path: / + pathType: Prefix + backend: + service: + name: {{ $.Release.Name }} + port: + number: {{ $.Values.service.port }} + {{- with $config.tls }} + tls: + {{- toYaml . | nindent 4 }} + {{- end }} +{{- end }} diff --git a/nodered-mcp/templates/service.yaml b/nodered-mcp/templates/service.yaml new file mode 100644 index 0000000..ef6cea2 --- /dev/null +++ b/nodered-mcp/templates/service.yaml @@ -0,0 +1,16 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ .Release.Name }} + labels: + app.kubernetes.io/name: {{ .Chart.Name }} + app.kubernetes.io/instance: {{ .Release.Name }} +spec: + type: {{ .Values.service.type }} + selector: + app: {{ .Release.Name }} + ports: + - name: http + port: {{ .Values.service.port }} + targetPort: http + protocol: TCP diff --git a/nodered-mcp/values.yaml b/nodered-mcp/values.yaml new file mode 100644 index 0000000..873ecb8 --- /dev/null +++ b/nodered-mcp/values.yaml @@ -0,0 +1,52 @@ +image: + repository: ghcr.io/fgjcarlos/nodered-mcp + pullPolicy: IfNotPresent + +# The container's HTTP listener. Upstream's streamable-HTTP transport serves +# MCP at /mcp on this port. +port: 8090 + +service: + type: ClusterIP + port: 8090 + +# The Node-RED admin API this server drives, e.g. http://node-red:1880 +noderedURL: "" + +# Refuse every write tool (flow deploy, node install). Leave on unless the +# agent is meant to change flows. +readOnly: true + +# Secret holding the server's own bearer token. Upstream requires +# MCP_HTTP_TOKEN — the listener binds all interfaces, so there is no +# "trusted loopback" mode to fall back on. +existingSecret: "" +tokenKey: MCP_HTTP_TOKEN + +# Additional non-secret environment variables +env: {} + +# Additional secret-backed environment variables +secretEnvKeys: [] + # - envName: NODERED_TOKEN + # secretKey: NODERED_TOKEN + +resources: + requests: + cpu: "50m" + memory: "64Mi" + limits: + cpu: "500m" + memory: "256Mi" + +nodeSelector: {} +tolerations: [] +affinity: {} + +ingresses: {} + # https: + # host: red-mcp.mcp.example.com + # annotations: {} + # tls: + # - hosts: + # - red-mcp.mcp.example.com