chore: add current provisioning state before migration

taskservs/coder/default/prepare

@@ -0,0 +1,101 @@
+#!/bin/bash
+# Info: Coder preparation script
+# Author: Provisioning System
+# Release: 1.0
+
+echo "Preparing Coder installation..."
+
+# Load environment variables
+[ -r "env-coder" ] && . ./env-coder
+
+# 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 tar >/dev/null 2>&1 || { echo "tar 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; }
+
+# Check for Git (recommended for Coder workspaces)
+if ! command -v git >/dev/null 2>&1; then
+    echo "Warning: Git not found. Git is recommended for Coder workspaces."
+fi
+
+# Validate configuration
+if [ -z "$CODER_VERSION" ]; then
+    echo "CODER_VERSION must be set" >&2
+    exit 1
+fi
+
+if [ -z "$CODER_ACCESS_URL" ]; then
+    echo "CODER_ACCESS_URL must be set" >&2
+    exit 1
+fi
+
+# Validate access URL format
+if ! echo "$CODER_ACCESS_URL" | grep -qE '^https?://'; then
+    echo "CODER_ACCESS_URL must be a valid HTTP/HTTPS URL" >&2
+    exit 1
+fi
+
+# Check if access URL is not localhost for production
+if echo "$CODER_ACCESS_URL" | grep -q "localhost\|127\.0\.0\.1"; then
+    echo "Warning: Using localhost in CODER_ACCESS_URL. This should only be used for development."
+fi
+
+# Check port availability
+CODER_PORT=$(echo "$CODER_HTTP_ADDRESS" | sed 's/.*://')
+if command -v netstat >/dev/null 2>&1; then
+    if netstat -tuln | grep -q ":${CODER_PORT} "; then
+        echo "Warning: Port ${CODER_PORT} appears to be in use"
+    fi
+elif command -v ss >/dev/null 2>&1; then
+    if ss -tuln | grep -q ":${CODER_PORT} "; then
+        echo "Warning: Port ${CODER_PORT} appears to be in use"
+    fi
+fi
+
+# Validate database configuration
+if [ -n "$CODER_PG_CONNECTION_URL" ]; then
+    echo "Using external PostgreSQL database"
+    # Basic validation of PostgreSQL URL format
+    if ! echo "$CODER_PG_CONNECTION_URL" | grep -qE '^(postgresql|postgres)://'; then
+        echo "Invalid PostgreSQL connection URL format" >&2
+        exit 1
+    fi
+else
+    echo "Using built-in PostgreSQL database"
+fi
+
+# Check TLS configuration if enabled
+if [ "${CODER_TLS_ENABLE:-false}" = "true" ]; then
+    echo "TLS is enabled"
+    if [ -z "$CODER_TLS_CERT_FILE" ] || [ -z "$CODER_TLS_KEY_FILE" ]; then
+        echo "TLS enabled but certificate files not specified" >&2
+        exit 1
+    fi
+    
+    if [ ! -f "$CODER_TLS_CERT_FILE" ]; then
+        echo "Warning: TLS certificate file not found: $CODER_TLS_CERT_FILE"
+    fi
+    
+    if [ ! -f "$CODER_TLS_KEY_FILE" ]; then
+        echo "Warning: TLS key file not found: $CODER_TLS_KEY_FILE"
+    fi
+fi
+
+# Check OAuth configuration if enabled
+if [ -n "$CODER_OAUTH2_GITHUB_CLIENT_ID" ] || [ -n "$CODER_OIDC_CLIENT_ID" ] || [ -n "$CODER_OAUTH2_GOOGLE_CLIENT_ID" ]; then
+    echo "OAuth authentication is configured"
+fi
+
+# Check system resources
+echo "Checking system resources..."
+FREE_MEMORY=$(free -m 2>/dev/null | awk '/^Mem:/{print $7}' || echo "unknown")
+if [ "$FREE_MEMORY" != "unknown" ] && [ "$FREE_MEMORY" -lt 2048 ]; then
+    echo "Warning: Less than 2GB of free memory available. Coder recommends at least 4GB for optimal performance."
+fi
+
+CPU_CORES=$(nproc 2>/dev/null || echo "unknown")
+if [ "$CPU_CORES" != "unknown" ] && [ "$CPU_CORES" -lt 2 ]; then
+    echo "Warning: Less than 2 CPU cores available. Coder recommends at least 2 cores for optimal performance."
+fi
+
+echo "Preparation completed successfully."