Added seed node mode

Author: alessandrolomanto

charts/osmosis-fullnode/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: osmosis-fullnode
 description: A Helm chart for deploying Osmosis fullnode with monitoring and sentinel
 type: application
-version: 0.1.7
+version: 0.1.8
 appVersion: "29.0.2"
 keywords:
   - osmosis

charts/osmosis-fullnode/templates/configmaps.yaml

@@ -125,12 +125,26 @@ data:
   copy_node_key.sh: |
     #!/bin/sh
     echo "🔑 Copying node key files if present"
+    {{- if .Values.seedNode.enabled }}
+    echo "🌱 Seed node mode enabled, checking for seed node keys"
+    # Copy seed node keys if available
+    if [ -e {{ .Values.seedNode.secret.mountPath }}/node_key.json ]; then
+      echo "🔑 Copying seed node key"
+      cp {{ .Values.seedNode.secret.mountPath }}/node_key.json $OSMOSIS_HOME/config/node_key.json
+    fi
+    if [ -e {{ .Values.seedNode.secret.mountPath }}/priv_validator_key.json ]; then
+      echo "🔑 Copying seed node validator key"
+      cp {{ .Values.seedNode.secret.mountPath }}/priv_validator_key.json $OSMOSIS_HOME/config/priv_validator_key.json
+    fi
+    {{- else }}
+    # Regular node key copy logic
     if [ -e /etc/osmosis/node_keys/node_key.json ]; then
       cp /etc/osmosis/node_keys/node_key.json $OSMOSIS_HOME/config/node_key.json
     fi
     if [ -e /etc/osmosis/node_keys/priv_validator_key.json ]; then
       cp /etc/osmosis/node_keys/priv_validator_key.json $OSMOSIS_HOME/config/priv_validator_key.json
     fi
+    {{- end }}
 
 ---
 apiVersion: v1

charts/osmosis-fullnode/templates/statefulset.yaml

@@ -101,6 +101,11 @@ spec:
           mountPath: /etc/osmosis/config/
         - name: osmosis-scripts
           mountPath: /etc/osmosis/scripts/
+        {{- if .Values.seedNode.enabled }}
+        - name: seed-node-keys
+          mountPath: {{ .Values.seedNode.secret.mountPath }}
+          readOnly: true
+        {{- end }}
       {{- if .Values.sqs.enabled }}
       - name: sqs
         image: {{ .Values.sqs.container.image.repository }}:{{ .Values.sqs.container.image.tag }}
@@ -156,6 +161,12 @@ spec:
         configMap:
           name: {{ include "osmosis-fullnode.fullname" . }}-scripts
           defaultMode: 0755
+      {{- if .Values.seedNode.enabled }}
+      - name: seed-node-keys
+        secret:
+          secretName: {{ .Values.seedNode.secret.name }}
+          defaultMode: 0600
+      {{- end }}
       {{- if .Values.sqs.enabled }}
       - name: sqs-config
         configMap:

charts/osmosis-fullnode/values-testnet.yaml

@@ -378,6 +378,20 @@ monitoring:
           }
         ]
 
+# Seed Node configuration (example for testnet)
+# Uncomment and configure when running as a seed node
+seedNode:
+  # Enable seed node only mode
+  enabled: false
+  
+  # Secret configuration for seed node keys
+  secret:
+    # Name of the secret containing seed node keys
+    # Example: "osmosis-testnet-seed-keys"
+    name: ""
+    # Mount path where the secret will be mounted
+    mountPath: "/etc/osmosis/seed_keys"
+
 # Configuration files
 config:
   # Osmosis configuration files

charts/osmosis-fullnode/values.yaml

@@ -333,6 +333,18 @@ monitoring:
           }
         ]
 
+# Seed Node configuration
+seedNode:
+  # Enable seed node only mode
+  enabled: false
+  
+  # Secret configuration for seed node keys
+  secret:
+    # Name of the secret containing seed node keys
+    name: ""
+    # Mount path where the secret will be mounted
+    mountPath: "/etc/osmosis/seed_keys"
+
 # SQS configuration
 sqs:
   enabled: false