Chart plugin conf (#1185)

* Initial version

Signed-off-by: popagruia <[email protected]>

* Fixed dependency of plugins enable

Signed-off-by: popagruia <[email protected]>

* Changed schema/defaults

Signed-off-by: popagruia <[email protected]>

* Fixed plugin path

Signed-off-by: popagruia <[email protected]>

* bring files from main

Signed-off-by: popagruia <[email protected]>

* Fixed rebase

Signed-off-by: popagruia <[email protected]>

* Remove uwanted default value

Signed-off-by: popagruia <[email protected]>

* fix: improve plugin config chart implementation

- Add newline at end of configmap-gateway-plugin.yaml
- Improve schema descriptions for pluginConfig
- Restore ingress annotations field (as empty object)
- Fix volumeMounts indentation in deployment
- Ensure backward compatibility with existing deployments

Signed-off-by: Mihai Criveti <[email protected]>

---------

Signed-off-by: popagruia <[email protected]>
Signed-off-by: Mihai Criveti <[email protected]>
Co-authored-by: popagruia <[email protected]>
Co-authored-by: Mihai Criveti <[email protected]>

Author: 3 people

charts/mcp-stack/templates/configmap-gateway-plugin.yaml

@@ -0,0 +1,12 @@
+{{- if .Values.mcpContextForge.pluginConfig.enabled}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "mcp-stack.fullname" . }}-gateway-plugins
+  labels:
+    {{- include "mcp-stack.labels" . | nindent 4 }}
+    app.kubernetes.io/component: gateway
+data:
+  config.yaml: |
+    {{- .Values.mcpContextForge.pluginConfig.plugins | nindent 4 }}
+{{- end }}

charts/mcp-stack/templates/deployment-mcpgateway.yaml

@@ -152,3 +152,20 @@ spec:
           # Resource requests / limits
           resources:
 {{- toYaml .Values.mcpContextForge.resources | nindent 12 }}
+
+          {{- /* Plugins enabled need the plugins configuration */}}
+          {{- if .Values.mcpContextForge.pluginConfig.enabled }}
+          volumeMounts:
+            - name: plugin-config-volume
+              mountPath: /app/{{ .Values.mcpContextForge.config.PLUGIN_CONFIG_FILE }}
+              subPath: config.yaml
+          {{- end }}
+{{- if .Values.mcpContextForge.pluginConfig.enabled }}
+      volumes:
+      - name: plugin-config-volume
+        configMap:
+          name: {{ include "mcp-stack.fullname" . }}-gateway-plugins
+          items:
+          - key: config.yaml
+            path: config.yaml
+{{- end }}

charts/mcp-stack/values.schema.json

@@ -251,6 +251,22 @@
           },
           "additionalProperties": false
         },
+        
+        "pluginConfig": {
+          "type": "object",
+          "description": "Plugin configuration via ConfigMap",
+          "properties": {
+            "enabled": {
+                "type": "boolean",
+                "description": "Enable plugin configuration loading via ConfigMap",
+                "default": false
+            },
+            "plugins": {
+              "type": "string",
+              "description": "Plugin configuration file contents (YAML)"
+            }
+          }
+        },
         "env": {
           "type": "object",
           "description": "Environment configuration",

charts/mcp-stack/values.yaml

@@ -11,6 +11,12 @@ global:
 # MCP CONTEXT-FORGE (Gateway / API tier)
 ########################################################################
 mcpContextForge:
+  # --- Specific plugin file ----#
+  pluginConfig:
+    enabled: false
+    plugins: |
+      # plugin file
+  
   replicaCount: 2                           # horizontal scaling for the gateway
 
   # --- HORIZONTAL POD AUTOSCALER --------------------------------------
@@ -93,9 +99,9 @@ mcpContextForge:
     host: gateway.local         # CHANGE to your FQDN (e.g. api.example.com)
     path: /
     pathType: Prefix
-    annotations:
-      nginx.ingress.kubernetes.io/rewrite-target: /
-      # cert-manager.io/cluster-issuer: letsencrypt-prod  # Uncomment to enable automatic TLS cert generation
+    annotations: {}             # Custom ingress annotations (optional)
+      # nginx.ingress.kubernetes.io/rewrite-target: /
+      # cert-manager.io/cluster-issuer: letsencrypt-prod
     tls:
       enabled: false            # Set to true to enable TLS
       secretName: ""            # Name of the TLS secret (auto-generated if empty)