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yaswanthkumar1995yaswanthkumar1995
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Merge pull request #1 from yaswanthkumar1995/feat/1122-helm-mcp-servers-chart
feat: Add mcp-servers Helm chart with resource templates (#1122) add Helm chart for deploying MCP servers
2 parents f424458 + 83c541e commit 4b5c52d

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‎charts/mcp-servers/.helmignore‎

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.DS_Store
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.idea/
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.vscode/
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*.swp
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*.tmp
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*.bak
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charts/
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tmp/
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dist/
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node_modules/

‎charts/mcp-servers/Chart.yaml‎

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apiVersion: v2
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name: mcp-servers
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description: Deploy one or more Model Context Protocol (MCP) servers.
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type: application
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version: 0.1.0
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appVersion: "0.1.0"

‎charts/mcp-servers/templates/NOTES.txt‎

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{{- if not .Values.mcpServers }}
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mcp-servers chart installed.
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No MCP servers were configured. Set `mcpServers` in values to deploy workloads.
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{{- else }}
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mcp-servers chart installed.
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Deployed MCP servers:
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{{- range $i, $s := .Values.mcpServers }}
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{{- if (default true $s.enabled) }}
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- {{ $s.name }}
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{{- end }}
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{{- end }}
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{{- end }}

‎charts/mcp-servers/templates/_helpers.tpl‎

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{{/*
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Common template helpers.
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*/}}
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{{- define "mcp-servers.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" -}}
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{{- end -}}
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{{- define "mcp-servers.labels" -}}
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helm.sh/chart: {{ include "mcp-servers.chart" . }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end -}}
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{{- define "mcp-servers.serverName" -}}
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{{- $server := .server -}}
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{{- default $server.name $server.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- define "mcp-servers.serverFullname" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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{{- $name := include "mcp-servers.serverName" (dict "server" $server) -}}
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{{- if $server.fullnameOverride -}}
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{{- $server.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else if $server.nameOverride -}}
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{{- printf "%s-%s" $root.Release.Name $server.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" $root.Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- define "mcp-servers.selectorLabels" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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app.kubernetes.io/name: {{ include "mcp-servers.serverName" (dict "server" $server) }}
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app.kubernetes.io/instance: {{ $root.Release.Name }}
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{{- end -}}
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{{- define "mcp-servers.commonLabels" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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{{ include "mcp-servers.labels" $root }}
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{{ include "mcp-servers.selectorLabels" (dict "root" $root "server" $server) }}
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{{- with $root.Values.global.labels }}
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{{ toYaml . }}
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{{- end }}
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{{- with $server.labels }}
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{{ toYaml . }}
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{{- end }}
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{{- end -}}
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{{- define "mcp-servers.commonAnnotations" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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{{- with $root.Values.global.annotations }}
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{{ toYaml . }}
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{{- end }}
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{{- with $server.annotations }}
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{{ toYaml . }}
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{{- end }}
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{{- end -}}
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{{- define "mcp-servers.serviceAccountName" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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{{- $sa := default (dict) $server.serviceAccount -}}
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{{- $saCreate := default $root.Values.global.serviceAccount.create $sa.create -}}
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{{- $saName := default $root.Values.global.serviceAccount.name $sa.name -}}
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{{- if $saCreate -}}
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{{- if $saName -}}
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{{- $saName -}}
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{{- else -}}
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{{ include "mcp-servers.serverFullname" (dict "root" $root "server" $server) }}
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{{- end -}}
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{{- else -}}
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{{- default "default" $saName -}}
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{{- end -}}
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{{- end -}}
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{{- define "mcp-servers.imagePullSecrets" -}}
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{{- $root := .root -}}
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{{- $server := .server -}}
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{{- $globalIps := default $root.Values.imagePullSecrets $root.Values.global.imagePullSecrets -}}
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{{- $ips := default $globalIps $server.imagePullSecrets -}}
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{{- if $ips }}
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imagePullSecrets:
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{{- toYaml $ips | nindent 2 }}
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{{- end }}
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{{- end -}}
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{{- define "mcp-servers.containerPorts" -}}
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{{- $server := .server -}}
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{{- $ports := default (list (dict "name" "http" "containerPort" 8080)) $server.ports -}}
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ports:
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{{- range $p := $ports }}
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- name: {{ required "mcpServers[].ports[].name is required" $p.name }}
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containerPort: {{ required "mcpServers[].ports[].containerPort is required" $p.containerPort }}
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protocol: {{ default "TCP" $p.protocol }}
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{{- end }}
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{{- end -}}
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{{- define "mcp-servers.servicePorts" -}}
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{{- $server := .server -}}
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{{- $svc := default (dict) $server.service -}}
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{{- $ports := default (list (dict "name" "http" "port" 80 "targetPort" "http")) $svc.ports -}}
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ports:
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{{- range $p := $ports }}
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- name: {{ required "mcpServers[].service.ports[].name is required" $p.name }}
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port: {{ required "mcpServers[].service.ports[].port is required" $p.port }}
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targetPort: {{ default $p.name $p.targetPort }}
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protocol: {{ default "TCP" $p.protocol }}
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{{- end }}
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{{- end -}}

‎charts/mcp-servers/templates/deployment.yaml‎

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{{- $root := . -}}
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{{- range $i, $server := $root.Values.mcpServers }}
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{{- if (default true $server.enabled) }}
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{{- $fullname := include "mcp-servers.serverFullname" (dict "root" $root "server" $server) -}}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ $fullname }}
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labels:
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{{ include "mcp-servers.commonLabels" (dict "root" $root "server" $server) | nindent 4 }}
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{{- $ann := include "mcp-servers.commonAnnotations" (dict "root" $root "server" $server) }}
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{{- if $ann }}
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annotations:
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{{ $ann | nindent 4 }}
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{{- end }}
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spec:
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replicas: {{ default 1 $server.replicas }}
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selector:
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matchLabels:
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{{ include "mcp-servers.selectorLabels" (dict "root" $root "server" $server) | nindent 6 }}
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template:
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metadata:
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labels:
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{{ include "mcp-servers.selectorLabels" (dict "root" $root "server" $server) | nindent 8 }}
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{{- with $root.Values.global.podLabels }}
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- with $server.podLabels }}
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- if or $root.Values.global.podAnnotations $server.podAnnotations }}
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annotations:
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{{- with $root.Values.global.podAnnotations }}
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- with $server.podAnnotations }}
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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spec:
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serviceAccountName: {{ include "mcp-servers.serviceAccountName" (dict "root" $root "server" $server) }}
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{{ include "mcp-servers.imagePullSecrets" (dict "root" $root "server" $server) | nindent 6 }}
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{{- with $root.Values.global.podSecurityContext }}
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securityContext:
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{{ toYaml . | nindent 8 }}
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{{- end }}
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containers:
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- name: {{ include "mcp-servers.serverName" (dict "server" $server) }}
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image: "{{ required "mcpServers[].image.repository is required" $server.image.repository }}:{{ default "latest" $server.image.tag }}"
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imagePullPolicy: {{ default "IfNotPresent" $server.image.pullPolicy }}
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{{- if $server.command }}
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command:
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{{ toYaml $server.command | nindent 12 }}
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{{- end }}
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{{- if $server.args }}
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args:
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{{ toYaml $server.args | nindent 12 }}
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{{- end }}
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{{ include "mcp-servers.containerPorts" (dict "server" $server) | nindent 10 }}
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{{- with (default $root.Values.global.securityContext $server.securityContext) }}
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securityContext:
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{{ toYaml . | nindent 12 }}
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{{- end }}
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{{- with $server.env }}
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env:
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{{ toYaml . | nindent 12 }}
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{{- end }}
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{{- with $server.envFrom }}
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envFrom:
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{{ toYaml . | nindent 12 }}
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{{- end }}
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{{- $resources := default $root.Values.global.resources $server.resources -}}
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{{- with $resources }}
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resources:
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{{ toYaml . | nindent 12 }}
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{{- end }}
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{{- $persistence := merge (default (dict) $server.persistence) $root.Values.global.persistence -}}
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{{- if and $persistence.enabled $persistence.mountPath }}
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volumeMounts:
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- name: data
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mountPath: {{ $persistence.mountPath }}
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{{- with $server.volumeMounts }}
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{{ toYaml . | nindent 12 }}
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{{- end }}
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{{- else if $server.volumeMounts }}
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volumeMounts:
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{{ toYaml $server.volumeMounts | nindent 12 }}
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{{- end }}
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{{- if or $server.volumes (and $persistence.enabled $persistence.mountPath) }}
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volumes:
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{{- if and $persistence.enabled $persistence.mountPath }}
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- name: data
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persistentVolumeClaim:
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claimName: {{ default (printf "%s-data" $fullname) $persistence.existingClaim }}
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{{- end }}
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{{- with $server.volumes }}
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- $nodeSelector := default $root.Values.global.nodeSelector $server.nodeSelector -}}
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{{- with $nodeSelector }}
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nodeSelector:
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- $tolerations := default $root.Values.global.tolerations $server.tolerations -}}
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{{- with $tolerations }}
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tolerations:
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- $affinity := default $root.Values.global.affinity $server.affinity -}}
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{{- with $affinity }}
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affinity:
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{{ toYaml . | nindent 8 }}
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{{- end }}
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{{- with $server.topologySpreadConstraints }}
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topologySpreadConstraints:
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{{ toYaml . | nindent 8 }}
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{{- end }}
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---
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{{- end }}
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{{- end }}

‎charts/mcp-servers/templates/hpa.yaml‎

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{{- $root := . -}}
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{{- range $i, $server := $root.Values.mcpServers }}
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{{- if (default true $server.enabled) }}
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{{- $hpa := default $root.Values.global.hpa $server.hpa -}}
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{{- if $hpa.enabled }}
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{{- $fullname := include "mcp-servers.serverFullname" (dict "root" $root "server" $server) -}}
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apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
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metadata:
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name: {{ $fullname }}
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labels:
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{{ include "mcp-servers.commonLabels" (dict "root" $root "server" $server) | nindent 4 }}
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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: {{ $fullname }}
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minReplicas: {{ default 1 $hpa.minReplicas }}
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maxReplicas: {{ default 3 $hpa.maxReplicas }}
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{{- with $hpa.metrics }}
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metrics:
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{{ toYaml . | nindent 4 }}
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{{- end }}
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---
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{{- end }}
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{{- end }}
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{{- end }}

‎charts/mcp-servers/templates/httproute.yaml‎

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{{- $root := . -}}
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{{- range $i, $server := $root.Values.mcpServers }}
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{{- if (default true $server.enabled) }}
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{{- $serverHttpRoute := default (dict) $server.httpRoute -}}
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{{- $hrEnabled := default $root.Values.global.httpRoute.enabled $serverHttpRoute.enabled -}}
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{{- if $hrEnabled }}
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{{- $fullname := include "mcp-servers.serverFullname" (dict "root" $root "server" $server) -}}
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apiVersion: gateway.networking.k8s.io/v1
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kind: HTTPRoute
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metadata:
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name: {{ $fullname }}
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labels:
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{{ include "mcp-servers.commonLabels" (dict "root" $root "server" $server) | nindent 4 }}
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{{- $hrAnnotations := default $root.Values.global.httpRoute.annotations $serverHttpRoute.annotations -}}
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{{- with $hrAnnotations }}
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annotations:
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{{ toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- $hrParentRefs := default $root.Values.global.httpRoute.parentRefs $serverHttpRoute.parentRefs -}}
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{{- with $hrParentRefs }}
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parentRefs:
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{{ toYaml . | nindent 4 }}
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{{- end }}
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{{- $hrHostnames := default $root.Values.global.httpRoute.hostnames $serverHttpRoute.hostnames -}}
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{{- with $hrHostnames }}
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hostnames:
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{{ toYaml . | nindent 4 }}
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{{- end }}
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{{- $hrRules := default $root.Values.global.httpRoute.rules $serverHttpRoute.rules -}}
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{{- if $hrRules }}
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rules:
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{{ toYaml $hrRules | nindent 4 }}
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{{- else }}
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{{- $hrPort := default $root.Values.global.httpRoute.port $serverHttpRoute.port -}}
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rules:
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- backendRefs:
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- name: {{ $fullname }}
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port: {{ default 80 $hrPort }}
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{{- end }}
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---
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{{- end }}
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{{- end }}
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{{- end }}

‎charts/mcp-servers/templates/ingress.yaml‎

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{{- $root := . -}}
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{{- range $i, $server := $root.Values.mcpServers }}
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{{- if (default true $server.enabled) }}
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{{- $serverIngress := default (dict) $server.ingress -}}
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{{- $ingEnabled := default $root.Values.global.ingress.enabled $serverIngress.enabled -}}
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{{- if $ingEnabled }}
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{{- $fullname := include "mcp-servers.serverFullname" (dict "root" $root "server" $server) -}}
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: {{ $fullname }}
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labels:
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{{ include "mcp-servers.commonLabels" (dict "root" $root "server" $server) | nindent 4 }}
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{{- $ingAnnotations := default $root.Values.global.ingress.annotations $serverIngress.annotations -}}
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{{- with $ingAnnotations }}
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annotations:
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{{ toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- $ingClassName := default $root.Values.global.ingress.className $serverIngress.className -}}
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{{- if $ingClassName }}
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ingressClassName: {{ $ingClassName }}
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{{- end }}
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{{- $ingTLS := default $root.Values.global.ingress.tls $serverIngress.tls -}}
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{{- if $ingTLS }}
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tls:
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{{ toYaml $ingTLS | nindent 4 }}
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{{- end }}
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rules:
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{{- $ingHosts := default $root.Values.global.ingress.hosts $serverIngress.hosts -}}
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{{- range $host := $ingHosts }}
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- host: {{ required "ingress.hosts[].host is required" $host.host }}
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http:
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paths:
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{{- range $p := $host.paths }}
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- path: {{ default "/" $p.path }}
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pathType: {{ default "Prefix" $p.pathType }}
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backend:
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service:
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name: {{ $fullname }}
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port:
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name: {{ default "http" $p.servicePortName }}
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{{- end }}
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{{- end }}
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---
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{{- end }}
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{{- end }}
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{{- end }}

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