chore: add current provisioning state before migration

taskservs/polkadot/node/default/prepare

@@ -0,0 +1,140 @@
+#!/bin/bash
+# Info: Polkadot Node preparation script
+# Author: Provisioning System
+# Release: 1.0
+
+echo "Preparing Polkadot Node installation..."
+
+# Load environment variables
+[ -r "env-polkadot-node" ] && . ./env-polkadot-node
+
+# Check if required tools are available
+command -v curl >/dev/null 2>&1 || { echo "curl is required but not installed." >&2; exit 1; }
+command -v systemctl >/dev/null 2>&1 || { echo "systemctl is required but not installed." >&2; exit 1; }
+
+# Validate configuration
+if [ -z "$POLKADOT_VERSION" ]; then
+    echo "POLKADOT_VERSION must be set" >&2
+    exit 1
+fi
+
+# Validate node type
+case "${POLKADOT_NODE_TYPE:-full}" in
+    "full"|"light"|"validator")
+        echo "Node type: ${POLKADOT_NODE_TYPE}"
+        ;;
+    *)
+        echo "Invalid node type: ${POLKADOT_NODE_TYPE}" >&2
+        exit 1
+        ;;
+esac
+
+# Validate chain
+case "${POLKADOT_CHAIN:-polkadot}" in
+    "polkadot"|"kusama"|"westend")
+        echo "Chain: ${POLKADOT_CHAIN}"
+        ;;
+    *)
+        echo "Invalid chain: ${POLKADOT_CHAIN}" >&2
+        exit 1
+        ;;
+esac
+
+# Check available disk space based on node type and pruning
+case "${POLKADOT_NODE_TYPE:-full}" in
+    "light")
+        REQUIRED_SPACE=1000000  # 1GB
+        ;;
+    "full")
+        if [ "${POLKADOT_ARCHIVE_MODE:-false}" = "true" ]; then
+            REQUIRED_SPACE=500000000  # 500GB for archive
+        else
+            REQUIRED_SPACE=50000000   # 50GB for pruned
+        fi
+        ;;
+    "validator")
+        REQUIRED_SPACE=100000000  # 100GB for validator
+        ;;
+esac
+
+AVAILABLE_SPACE=$(df "${POLKADOT_BASE_PATH:-/var/lib/polkadot/data}" 2>/dev/null | awk 'NR==2 {print $4}' || echo "0")
+if [ "$AVAILABLE_SPACE" -ne "0" ] && [ "$AVAILABLE_SPACE" -lt "$REQUIRED_SPACE" ]; then
+    echo "Warning: Insufficient disk space for ${POLKADOT_NODE_TYPE} node"
+    echo "Available: $(($AVAILABLE_SPACE / 1024))MB, Recommended: $(($REQUIRED_SPACE / 1024))MB"
+fi
+
+# Check port availability
+PORTS=(
+    "${POLKADOT_RPC_PORT:-9944}"
+    "${POLKADOT_WS_PORT:-9944}"
+    "${POLKADOT_HTTP_PORT:-9933}"
+    "30333"  # P2P port
+)
+
+for port in "${PORTS[@]}"; do
+    if command -v netstat >/dev/null 2>&1; then
+        if netstat -tuln | grep -q ":$port "; then
+            echo "Warning: Port $port appears to be in use"
+        fi
+    elif command -v ss >/dev/null 2>&1; then
+        if ss -tuln | grep -q ":$port "; then
+            echo "Warning: Port $port appears to be in use"
+        fi
+    fi
+done
+
+# Validate pruning configuration
+if [ "${POLKADOT_ARCHIVE_MODE:-false}" = "true" ] && [ "${POLKADOT_PRUNING_ENABLED:-true}" = "true" ]; then
+    echo "Error: Cannot enable both archive mode and pruning" >&2
+    exit 1
+fi
+
+# Validate WSS configuration
+if [ "${POLKADOT_WSS_ENABLED:-false}" = "true" ]; then
+    if [ -z "$POLKADOT_WSS_DOMAIN" ]; then
+        echo "Error: WSS enabled but domain not configured" >&2
+        exit 1
+    fi
+    
+    if [ "${POLKADOT_SSL_ENABLED:-false}" != "true" ]; then
+        echo "Error: WSS requires SSL to be enabled" >&2
+        exit 1
+    fi
+    
+    if [ -z "$POLKADOT_SSL_CERT_FILE" ] || [ -z "$POLKADOT_SSL_KEY_FILE" ]; then
+        echo "Error: SSL certificate files not configured" >&2
+        exit 1
+    fi
+    
+    echo "WSS configuration validated for domain: $POLKADOT_WSS_DOMAIN"
+fi
+
+# Check memory requirements
+if command -v free >/dev/null 2>&1; then
+    FREE_MEMORY=$(free -m | awk '/^Mem:/{print $7}')
+    MIN_MEMORY=2048
+    
+    case "${POLKADOT_NODE_TYPE:-full}" in
+        "validator"|"full")
+            MIN_MEMORY=4096
+            ;;
+        "light")
+            MIN_MEMORY=1024
+            ;;
+    esac
+    
+    if [ "$FREE_MEMORY" -lt "$MIN_MEMORY" ]; then
+        echo "Warning: Insufficient memory for ${POLKADOT_NODE_TYPE} node"
+        echo "Available: ${FREE_MEMORY}MB, Recommended: ${MIN_MEMORY}MB"
+    fi
+fi
+
+echo "Preparation completed successfully."
+echo ""
+echo "Node configuration:"
+echo "- Type: ${POLKADOT_NODE_TYPE:-full}"
+echo "- Chain: ${POLKADOT_CHAIN:-polkadot}"
+echo "- Archive mode: ${POLKADOT_ARCHIVE_MODE:-false}"
+echo "- Pruning enabled: ${POLKADOT_PRUNING_ENABLED:-true}"
+echo "- WSS enabled: ${POLKADOT_WSS_ENABLED:-false}"
+echo "- Data path: ${POLKADOT_BASE_PATH:-/var/lib/polkadot/data}"