feature: Add script to download ledger snapshot and options

downloadLedgerSnapshot.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Ledger default folder
+DATA_DIR="./data"
+
+# Ensure that the /data directory exists
+if [ ! -d "$DATA_DIR" ]; then
+    echo "Creating /data directory..."
+    mkdir -p "$DATA_DIR"
+fi
+
+# Check if /data directory is empty
+if [ -z "$(ls -A "$DATA_DIR")" ]; then
+    cd $DATA_DIR
+    echo "Directory $DATA_DIR is empty. Downloading LedgerSnapshot..."
+    # Fetch and execute the latest snapshot script from Radix
+    echo "Fetching and executing the latest snapshot script from Radix..."
+    curl -s https://snapshots.radix.live/latest-snapshot-NO-INDEX.sh | bash
+
+    # Check if the script ran successfully
+    if [ $? -eq 0 ]; then
+        echo "Snapshot download and execution completed successfully."
+    else
+        echo "Snapshot download or execution failed."
+        exit 1
+    fi
+else
+    echo "Directory $DATA_DIR is not empty. Downloading Ledger Snapshot aborted:"
+    ls -l "$DATA_DIR"
+fi
+
+

node-runner-cli/templates/radix-fullnode-compose.yml.j2

@@ -6,13 +6,27 @@
 version: '3.8'
 services:
 {% if core_node is not none and core_node is defined %}
+  {% if download-community-snapshot == "true" %}
+  download-community-ledger-snapshot:
+      command: /downloadLedgerSnapshot.sh
+      environment:
+          <<: *cenv
+      volumes:
+          - ./downloadLedgerSnapshot.sh:/downloadLedgerSnapshot.sh
+          - ./data:/data
+  {% endif %}
+
   core:
     cap_add:
     - NET_ADMIN
     {% if core_node.advanced_user_envs is defined and core_node.advanced_user_envs is not none %}
     env_file:
       - {{core_node.advanced_user_envs}}
     {% endif %}
+    {% if download-community-snapshot == "true" %}
+    depends_on:
+      - download-community-ledger-snapshot
+    {% endif %}   
     environment:
       JAVA_OPTS: {{core_node.java_opts or '--enable-preview -server -Xms12g -Xmx12g  -XX:MaxDirectMemorySize=2048m -XX:+HeapDumpOnOutOfMemoryError -XX:+UseCompressedOops -Djavax.net.ssl.trustStore=/etc/ssl/certs/java/cacerts -Djavax.net.ssl.trustStoreType=jks -Djava.security.egd=file:/dev/urandom -DLog4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector'}}
       RADIXDLT_CORE_API_PORT: {{core_node.core_api_port}}