Add script to update interpreter

dev/update_interpreter.sh

@@ -0,0 +1,162 @@
+#!/bin/bash
+
+# Script to rebuild and redeploy a Zeppelin interpreter
+# Usage: ./update_interpreter.sh <interpreter-name>
+
+set -e
+
+# Color codes for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Check if interpreter name is provided
+if [ -z "$1" ]; then
+    echo -e "${RED}Error: Interpreter name is required${NC}"
+    echo "Usage: $0 <interpreter-name>"
+    echo "Example: $0 oracle"
+    exit 1
+fi
+
+INTERPRETER_NAME=$1
+ZEPPELIN_VERSION="0.13.0-SNAPSHOT"
+
+# Find Zeppelin root directory
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ZEPPELIN_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+echo "Script location: $SCRIPT_DIR"
+echo "Zeppelin root: $ZEPPELIN_ROOT"
+
+# Change to Zeppelin root directory
+cd "$ZEPPELIN_ROOT"
+
+# Verify interpreter directory exists
+if [ ! -d "$INTERPRETER_NAME" ]; then
+    echo -e "${RED}Error: Interpreter directory '$INTERPRETER_NAME' not found in $ZEPPELIN_ROOT${NC}"
+    exit 1
+fi
+
+echo -e "${GREEN}Starting update process for interpreter: ${INTERPRETER_NAME}${NC}"
+echo "================================================"
+
+# Create log file in logs directory
+TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
+LOGS_DIR="${ZEPPELIN_ROOT}/logs"
+mkdir -p "$LOGS_DIR"
+LOG_FILE="${LOGS_DIR}/update_interpreter_${INTERPRETER_NAME}_${TIMESTAMP}.log"
+echo "Logging to: $LOG_FILE"
+echo ""
+
+exec > >(tee >(sed 's/\x1B\[[0-9;]*[JKmsu]//g' >> "$LOG_FILE")) 2>&1
+
+# Step 1: Build the interpreter
+echo -e "\n${YELLOW}Step 1: Building interpreter...${NC}"
+mvn clean package -DskipTests -pl "$INTERPRETER_NAME" -am
+
+# Step 2: Copy the JAR file
+echo -e "\n${YELLOW}Step 2: Copying JAR file...${NC}"
+JAR_SOURCE="${INTERPRETER_NAME}/target/zeppelin-${INTERPRETER_NAME}-${ZEPPELIN_VERSION}.jar"
+JAR_DEST="interpreter/${INTERPRETER_NAME}/"
+
+if [ ! -f "$JAR_SOURCE" ]; then
+    echo -e "${RED}Error: JAR file not found at ${JAR_SOURCE}${NC}"
+    exit 1
+fi
+
+mkdir -p "$JAR_DEST"
+cp -f "$JAR_SOURCE" "$JAR_DEST"
+echo -e "${GREEN}✓ JAR copied successfully${NC}"
+
+# Step 3: Copy the JSON file (if it exists)
+echo -e "\n${YELLOW}Step 3: Copying interpreter-setting.json...${NC}"
+JSON_SOURCE="${INTERPRETER_NAME}/src/main/resources/interpreter-setting.json"
+JSON_DEST="interpreter/${INTERPRETER_NAME}/"
+
+if [ -f "$JSON_SOURCE" ]; then
+    cp -f "$JSON_SOURCE" "$JSON_DEST"
+    echo -e "${GREEN}✓ JSON copied successfully${NC}"
+else
+    echo -e "${YELLOW}x No interpreter-setting.json found (skipping)${NC}"
+fi
+
+# Check if Zeppelin server is built
+echo -e "\n${YELLOW}Checking if Zeppelin server is built...${NC}"
+if ! ls zeppelin-server/target/zeppelin-server-*.jar 1> /dev/null 2>&1; then
+    echo -e "${YELLOW}x Zeppelin server JAR not found. Building Zeppelin server...${NC}"
+    echo ""
+
+    # Build Zeppelin server
+    ./mvnw clean package -DskipTests
+
+    # Check if build was successful
+    if ! ls zeppelin-server/target/zeppelin-server-*.jar 1> /dev/null 2>&1; then
+        echo -e "${RED}✗ Failed to build Zeppelin server!${NC}"
+        echo "Please check the build output above for errors."
+        exit 1
+    fi
+
+    echo -e "${GREEN}✓ Zeppelin server built successfully${NC}"
+else
+    echo -e "${GREEN}✓ Zeppelin server is built${NC}"
+fi
+
+# Step 4: Stop Zeppelin
+echo -e "\n${YELLOW}Step 4: Stopping Zeppelin...${NC}"
+./bin/zeppelin-daemon.sh stop
+sleep 3
+echo -e "${GREEN}✓ Zeppelin stopped${NC}"
+
+# Step 5: Clean interpreter configuration
+echo -e "\n${YELLOW}Step 5: Cleaning interpreter configuration...${NC}"
+if [ -f "conf/interpreter.json" ]; then
+    rm -rf conf/interpreter.json
+    echo -e "${GREEN}✓ interpreter.json removed${NC}"
+else
+    echo -e "${YELLOW}x interpreter.json not found (already clean)${NC}"
+fi
+
+# Step 6: Clean local repository
+echo -e "\n${YELLOW}Step 6: Cleaning local repository...${NC}"
+if [ -d "local-repo" ]; then
+    rm -rf local-repo/*
+    echo -e "${GREEN}✓ local-repo cleaned${NC}"
+else
+    echo -e "${YELLOW}x local-repo not found (skipping)${NC}"
+fi
+
+# Step 7: Start Zeppelin
+echo -e "\n${YELLOW}Step 7: Starting Zeppelin...${NC}"
+./bin/zeppelin-daemon.sh start
+
+# Wait a bit and check if process is running
+sleep 5
+
+# Check if Zeppelin is running
+ZEPPELIN_PID=$(cat run/zeppelin-*.pid 2>/dev/null || echo "")
+
+if [ -n "$ZEPPELIN_PID" ] && ps -p "$ZEPPELIN_PID" > /dev/null 2>&1; then
+    echo -e "${GREEN}✓ Zeppelin started successfully (PID: $ZEPPELIN_PID)${NC}"
+
+    echo -e "\n${GREEN}================================================${NC}"
+    echo -e "${GREEN}✓ Interpreter '${INTERPRETER_NAME}' updated successfully!${NC}"
+    echo -e "${GREEN}================================================${NC}"
+    echo ""
+    echo "You can now access Zeppelin and use the updated interpreter."
+else
+    echo -e "${RED}✗ Zeppelin process died on startup${NC}"
+    echo ""
+    echo -e "${BLUE}Last 50 lines from zeppelin.log:${NC}"
+    echo "================================================"
+    tail -50 logs/zeppelin-*.log 2>/dev/null || echo "No log file found"
+    echo "================================================"
+    echo ""
+    echo -e "${YELLOW}To view full logs, run:${NC}"
+    echo "  tail -f logs/zeppelin-*.log"
+    echo ""
+    echo -e "${YELLOW}To check for errors:${NC}"
+    echo "  grep -i error logs/zeppelin-*.log"
+    exit 1
+fi